Reusable Modular False Nail Assembly with Concealed Prong-and-Socket Engagement
20260033615 ยท 2026-02-05
Inventors
Cpc classification
International classification
Abstract
A reusable false fingernail device includes a false nail and a nail plate configured to be secured to a natural nail. The false nail and nail plate engage through concealed mechanical coupling without adhesive. In one form, a convex mound on the nail plate contains a female socket that receives a male prong on the false nail to form a dovetail-type joint. In another form, the false nail includes an attachment tab slidingly received in a grooved channel having one or more retention notches for adjustable locking. In yet another form, a grooved channel within the false nail engages one or more projecting male tabs on the nail plate. Each configuration permits repeated attachment and removal while maintaining natural appearance, comfort, and structural integrity. The device limits excessive repeated use of adhesives, improves hygiene, accommodates nail growth, and provides durable, customizable artificial nails.
Claims
1. A reusable false fingernail device comprising: a false nail having a hollowed underside and at least one male prong projecting therefrom; a false nail plate configured to be secured to a natural fingernail, said false nail plate including a convex protruding mound dimensioned to fit within said hollowed underside of said false nail, said convex protruding mound comprising a recessed female socket adapted to receive said male prong; and wherein said convex protruding mound is concealed beneath said false nail when engaged, and said male prong and said recessed female socket form a dovetail-type joint that resists vertical separation of said false nail from said false nail plate without adhesive.
2. The device of claim 1, wherein said male prong and said recessed female socket are curved to follow a curvature of said natural fingernail, with a curvature radius of no less than 40 degrees.
3. The device of claim 1, wherein said male prong and said recessed female socket are linear and without curvature.
4. The device of claim 1, wherein said convex protruding mound has a dome-shaped exterior configured to mate with a complementary concavity in said false nail.
5. The device of claim 1, wherein said convex protruding mound has a downward sloped exterior to reduce bulk and conceal said false nail plate.
6. The device of claim 1, wherein said false nail comprises a plurality of male prongs and said false nail plate comprises a corresponding plurality of female sockets arranged to engage said plurality of male prongs.
7. The device of claim 6, wherein said recessed female socket is located between adjacent male prongs of said plurality of male prongs on said false nail, and said male prong is located between adjacent female sockets of said corresponding plurality of female sockets on said false nail plate.
8. The device of claim 6, wherein said plurality of male prongs and said corresponding plurality of female sockets are symmetrically arranged relative to a longitudinal axis of said false nail.
9. The device of claim 6, wherein said plurality of male prongs and sockets are asymmetrically arranged to distribute stress and resist lateral rocking.
10. The device of claim 1, wherein said convex protruding mound is positioned selectively at a center, a cuticle end, or a tip end of said false nail plate.
11. The device of claim 1, wherein said convex protruding mound may be dome-shaped or sloped to provide concealment and comfort flexibility.
12. The device of claim 1, wherein said false nail plate remains secured to said natural fingernail while said false nail is repeatedly attached and detached without deformation.
13. The device of claim 1, wherein said reusable false fingernail device is configured as a false toenail sized and shaped for toenail anatomy.
14. A reusable false fingernail device comprising: a false nail having an attachment tab projecting from an underside; a nail plate configured to be secured to a natural fingernail, said nail plate including a convex protruding mound, said convex protruding mound having a longitudinal grooved channel dimensioned to slidingly receive said attachment tab; wherein said longitudinal grooved channel includes at least one retention notch configured to engage said attachment tab to lock said false nail in place; wherein said longitudinal grooved channel lacks a stopper wall at a cuticle end and said convex protruding mound on said nail plate is shortened in length, thereby permitting said false nail to slide into said longitudinal grooved channel from a tip end for engagement; and wherein said attachment tab and said longitudinal grooved channel remain concealed beneath said false nail when engaged, and said false nail is removably secured without adhesive.
15. The device of claim 14, wherein said longitudinal grooved channel includes a plurality of retention notches spaced along a length of said longitudinal grooved channel, each notch defining a distinct locking position to permit repositioning of said false nail to accommodate nail growth.
16. The device of claim 14, wherein said nail plate comprises two parallel grooved channels and said false nail comprises two corresponding attachment tabs, each receivable in a respective channel.
17. The device of claim 14, wherein said attachment tab and said longitudinal grooved channel are formed of polymeric material dimensioned to flex during an engagement and provide an audible click when seated in said retention notch, said engagement exhibiting characteristics of a snap-fit annular joint.
18. The device of claim 14, wherein a shortened mound geometry reduces profile thickness, enhancing concealment beneath said false nail.
19. The device of claim 14, wherein a sliding configuration of said longitudinal grooved channel and said attachment tab permits repeated attachment and removal cycles without structural deformation.
20. A reusable false fingernail device comprising: a false nail having a hollowed underside curved to accommodate a nail plate, said hollowed underside further comprising a hollowed grooved channel embedded within said false nail, said hollowed grooved channel including a plurality of retention notches comprising a first retention notch and a second retention notch; said nail plate configured to be secured to a natural fingernail, said nail plate including a plurality of projecting male tabs, comprising at least a first projecting male tab, each dimensioned to slidingly engage said hollowed grooved channel of said false nail; wherein said hollowed grooved channel includes at least one more retention notch than said plurality of projecting male tabs; wherein said plurality of projecting male tabs are curved or sloped to facilitate smooth engagement; and wherein said hollowed grooved channel and said plurality of projecting male tabs remain concealed beneath said false nail when engaged, and said false nail is removably secured without adhesive.
21. The device of claim 20, wherein said male tab of said nail plate is positioned selectively at a center, a cuticle end, or a tip end of said nail plate.
Description
BRIEF DESCRIPTION OF THE SEVERAL VIEWS OF THE DRAWINGS
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DETAILED DESCRIPTION OF THE INVENTION
[0068] The detailed embodiments of the present invention are disclosed herein. The disclosed embodiments are merely exemplary of the invention, which may be embodied in various forms. The details disclosed herein are not to be interpreted as limiting, but merely as the basis for the claims and as a basis for teaching one skilled in the art how to make and use the invention.
[0069] References in the specification to one embodiment, an embodiment, an example embodiment, etcetera, indicate that the embodiment described may include a particular feature, structure, or characteristic, but every embodiment may not necessarily include the particular feature, structure, or characteristic. Moreover, such phrases are not necessarily referring to the same embodiment. Further, when a particular feature, structure, or characteristic is described in connection with an embodiment, it is submitted that it is within the knowledge of one skilled in the art to effect such feature, structure, or characteristic in connection with other embodiments whether or not explicitly described.
[0070] Furthermore, it should be understood that spatial descriptions (e.g., above, below, up, left, right, down, top, bottom, vertical, horizontal, etc.) used herein are for purposes of illustration only, and that practical implementations of the structures described herein can be spatially arranged in any orientation or manner.
[0071] Throughout this specification, the word comprise, or variations thereof such as comprises or comprising, will be understood to imply the inclusion of a stated element, integer or step, or group of elements integers or steps, but not the exclusion of any other element, integer or step, or group of elements, integers or steps.
[0072] Index of Labelled Features in Figures. Features are listed in numeric order by Figure in numeric order. Referring to the Figures, there is shown in
[0099] General Overview. The present invention will now be described more fully with reference to the accompanying drawings, in which exemplary embodiments of the invention are shown. The invention may be embodied in many different forms and should not be construed as limited to the embodiments set forth herein.
[0100] Primary StructureProng-and-Socket Embodiment. A reusable false fingernail device includes a false nail having a hollowed underside and one or more male prongs extending downwardly from the underside. The device further includes a false nail plate secured to a natural nail, the nail plate having a convex protruding mound dimensioned to fit within the hollowed underside of the false nail. Within the mound is a recessed female socket dimensioned to receive the male prong.
[0101] Fabrication of the False Nail. The false nail is preferably formed of polymeric material such as acrylic resin, ABS, or polycarbonate. The hollowed underside is molded during formation of the false nail, typically by injection molding into a shaped cavity with curved surfaces corresponding to the natural curvature of a human nail.
[0102] Fabrication of the Male Prong. The male prong is formed integrally with the false nail, projecting downward from the hollowed underside. In some embodiments, the male prong may be slightly curved to match the contour of the false nail and natural nail, while in other embodiments it may be linear. In certain embodiments, a plurality of male prongs are arranged in an arcuate or non-linear array, distributed along the underside.
[0103] Fabrication of the Nail Plate. The false nail plate is also molded of polymeric material, selected to flex slightly upon engagement. On its outer face, the plate includes the convex protruding mound. The mound may have a dome-shaped exterior, a downward-sloped exterior, or other profiles configured to conceal the plate when the false nail is installed.
[0104] Formation of the Female Socket. Within the mound, the recessed female socket is shaped to engage the male prong in a dovetail-type joint. In some embodiments, the socket entrance is flared to receive a narrowed male prong tip. In other embodiments, the socket is narrowed to receive a flared male prong. A plurality of female sockets may be formed within the mound to correspond with multiple male prongs. These sockets may be arranged in arcuate arrays for improved load distribution and stability.
[0105] Assembly of the Device. To assemble the device, the nail plate is first affixed to the natural nail using a biocompatible adhesive layer such as a reusable gel pads, tacky adhesive tabs, or standard nail glues, including liquid or UV gel types. Once secured, the convex mound projects outward from the natural nail.
[0106] Engagement of Prong and Socket. The false nail is positioned with its hollowed underside aligned over the convex mound, and the male prong is inserted into the female socket. During engagement, the materials flex slightly to allow passage of the male prong into the socket. A tactile and audible snap is generated, signaling secure engagement.
[0107] Retention of the Assembly. Once engaged, the dovetail-type joint resists vertical separation without adhesive. The secure engagement holds the false nail in place during daily use. The concealment of the mound ensures that the attachment remains hidden, preserving a natural nail appearance.
[0108] Removal and Reusability. The false nail may be disengaged by applying gentle counterforce, leaving the nail plate secured to the natural nail. Another false nail of different style or color can then be attached to the same nail plate. The engagement interface endures multiple attachment cycles without deformation, particularly when multiple prongs and sockets are used to distribute stress.
[0109] Repositioning. The false nail can be selectively positioned relative to the mound at the cuticle end, center, or tip of the nail plate, allowing incremental adjustment during nail growth.
[0110] Additional Embodiments. Variations include a toenail configuration, multi-prong arrays, sloped mound profiles for thinner cuticle regions, and different nail shapes such as square, oval, almond, or stiletto.
[0111] Sliding Tab Embodiment. In another embodiment, the reusable false nail device comprises a false nail with one or more attachment tabs extending from its underside. The nail plate is formed with a longitudinal channel sized to receive the attachment tab in a sliding engagement. The channel may be formed with a curved or straight geometry to follow the contour of the natural nail.
[0112] Fabrication of the Tab and Channel. Both the false nail and nail plate are molded from polymeric materials that allow slight flexure. The channel is dimensioned to permit insertion of the tab from one end and to resist vertical withdrawal once engaged. The channel may be provided with one or more retention notches along its length.
[0113] Assembly and Engagement. The false nail is attached by sliding the tab into the channel from either the cuticle end or the tip end until it reaches the retention notch. At least one notch locks the tab in place, resisting separation without adhesives. Multiple notches permit the nail to be repositioned forward toward the cuticle as the natural nail grows.
[0114] Retention Features. The engagement may generate an audible or tactile click, giving feedback of secure locking. Dual channels with parallel tabs may also be used to increase lateral stability.
[0115] Reusability. The sliding mechanism is engineered to endure repeated engagement cycles without deformation. The user may exchange multiple decorative nails on the same nail plate for cosmetic variation.
[0116] The present invention provides a reusable false fingernail device configured to be removably attached to a natural fingernail or toenail. Each embodiment includes a decorative false nail and a nail plate base configured to be secured to the natural nail. The nail plate is dimensioned to conform to the natural nail and incorporates connector structures that mate with complementary structures on the false nail. In every embodiment, the connectors are dimensioned to remain concealed beneath the false nail when engaged, thereby preserving the cosmetic appearance of a natural nail.
[0117] In one embodiment, the reusable false fingernail device includes a false nail having a hollowed underside and one or more male prongs extending downwardly from the underside. A false nail plate includes a convex protruding mound dimensioned to fit within the hollowed underside, the mound containing a recessed female socket adapted to receive the male prong. The male prong and female socket form a dovetail-type joint that resists vertical separation without adhesives.
[0118] The false nail and nail plate are preferably formed of polymeric materials such as acrylic resins, ABS, or polycarbonate, molded to follow the natural curvature of the nail. The convex mound may have a dome-shaped exterior, a sloped exterior, or other profiles that minimize bulk while ensuring concealment. The prongs may be linear or slightly curved, and multiple prongs may be distributed along the underside of the false nail to engage corresponding sockets in the mound.
[0119] Assembly occurs by securing the nail plate to the natural nail with a cosmetic adhesive layer such as a reusable gel pad, tacky adhesive tab, or standard nail glue, including liquid or UV gel types. Once secured, the convex mound projects outward from the natural nail. The false nail is positioned with its hollowed underside aligned over the convex mound, and the male prong is inserted into the female socket. During engagement, the materials flex slightly to allow passage of the male prong into the socket. A tactile and audible snap is generated, signaling secure locking.
[0120] Once engaged, the dovetail-type joint resists vertical separation without adhesive. The secure engagement holds the false nail in place during daily use. The concealment of the mound ensures that the attachment remains hidden, preserving a natural nail appearance. The false nail may be disengaged by applying gentle counterforce, leaving the nail plate secured to the natural nail. Another false nail of different style or color can then be attached to the same nail plate. The engagement interface endures multiple attachment cycles without deformation, particularly when multiple prongs and sockets are used to distribute stress.
[0121] The false nail can be selectively positioned relative to the mound at the cuticle end, center, or tip of the nail plate, allowing incremental adjustment during nail growth. Variations include a toenail configuration, multi-prong arrays, sloped mound profiles for thinner cuticle regions, and different nail shapes such as square, oval, almond, or stiletto.
[0122] In another embodiment, the reusable false nail device comprises a false nail having one or more elongated attachment tabs projecting from its underside. The nail plate includes a longitudinal grooved channel dimensioned to receive the attachment tab in a sliding engagement. At least one retention notch along the channel engages the tab to lock the false nail in place.
[0123] The tab and channel are molded of polymeric material selected to provide flexibility during engagement. The channel may include multiple retention notches so the false nail can be repositioned along the plate as the natural nail grows. In some designs, the false nail slides into the channel from the cuticle end; in others, it slides from the tip end to conceal the connector more fully.
[0124] Dual parallel channels and tabs may be used to enhance lateral stability. The sliding engagement may provide an audible or tactile click when seated in the notch, signaling secure locking. Once installed, the tab-and-channel system resists vertical separation without adhesive, while allowing controlled repositioning or removal for reuse. The sliding mechanism is engineered to endure repeated cycles without deformation, and the user may exchange multiple decorative nails on the same nail plate for cosmetic variation.
[0125] Collectively, these embodiments demonstrate the inventive concept of a reusable false nail system wherein concealed, non-adhesive connectorswhether prongs and sockets or sliding tabsprovide secure, adjustable, and cosmetically natural attachment of artificial nails.
[0126] Various embodiments of the reusable artificial nail system are presented herein, encompassing both the connector designs disclosed in the previously filed specification and a newly introduced dovetail-style prong-and-socket design. In each embodiment, a base connector is secured to the wearer's natural nail (fingernail or toenail) and a complementary attachment element is provided on the faux nail. This arrangement allows the faux nail (which may be a faux-fingernail or faux-toenail) to be repeatedly attached to and removed from the natural nail without damage. The following descriptions detail multiple connector configurations-including dovetail prong-and-socket, sliding tab-and-notch, grooved channel, pin-and-hole, threaded connector ring, and pressure-fit systems-along with their structural features, positioning alternatives, multi-point connection options, materials, modularity, concealment, anchoring mechanisms, and adaptability for both fingernails and toenails.
[0127] Dovetail-Type Prong and Socket Connector Embodiment Structure: In the dovetail-type prong-and-socket embodiment, one component features a tapered prong with a widened base (resembling a dovetail tenon) while the mating component contains a correspondingly shaped socket groove (resembling a dovetail mortise). In a preferred configuration, the attachment base secured on the natural nail incorporates an elongated socket cavity, and the faux nail's underside is fitted with the matching prong. The prong is dimensioned slightly wider at its base than at its tip, creating an interlocking geometry when inserted into the socket. This dovetail profile ensures that once the prong slides fully into the socket, it resists disengagement in the vertical or lateral directions, thereby anchoring the faux nail securely in place. The parts are typically rigid or semi-rigid (e.g. a durable polymer or composite) to maintain the shape under stress, though a slight elasticity in the socket walls can help produce a snug frictional fit. The dovetail connector is concealed beneath the faux nail: the prong and socket sit entirely on the underside of the faux nail and within the thin profile of the base, rendering the connection invisible during normal wear.
[0128] Operation and Variations: To attach the faux nail using the dovetail connector, the prong is aligned with the open end of the socket and slid into place (commonly along the longitudinal axis of the nail, either from the fingertip end toward the cuticle or vice versa, depending on design). As the prong enters, the dovetail shape guides it into a locked position; once fully inserted, the widened prong base prevents the faux nail from lifting or detaching unless it is deliberately slid back out along the same axis. Positioning alternatives are possible by altering where the connector is placed: for example, the dovetail prong can be positioned nearer the cuticle end of the nail or toward the tip, or a central placement can be usedin each case the connector can be oriented to slide from the opposite end for engagement. Multi-point connection options may be implemented by using multiple dovetail prongs and sockets (e.g. two smaller dovetail connectors side by side for extra stability) or by providing an extended socket track with multiple seating positions. In one variation, the base's socket groove and the matching prong fitted on the faux nail may include two or more discrete locking positions along its length (such as detent notches or slight enlargements in the groove or on the body of the prong) so that the faux nail's prong can be secured at a first position (e.g. deeper in the socket) and, after some nail growth, at a second position further out. This allows the faux nail to be repositioned outward as the natural nail grows, maintaining a flush look at the cuticle. Materials for this embodiment can include rigid plastics (for precise dovetail geometry) or metals for the prong to ensure long-term wear resistance, combined with slightly flexible plastic for the socket to facilitate a tight slide-fit. The design is modular: the dovetail prong element could be integrally molded with the faux nail or attached as a separate piece, and likewise the base socket could be a discrete piece adhered to the natural nail or integrated into a base layer. Importantly, this dovetail prong-and-socket system is adaptable to both fingernails and toenailsthe dimensions and curvature of the base piece are tailored to the specific nail (e.g. a larger, flatter base for a big toenail versus a smaller, more curved base for a fingernail), but the functional engagement remains the same.
[0129] Sliding Tab and Notch Connector Configuration Structure: The sliding tab-and-notch embodiment employs a flat attachment tab on one component (often extending from the faux nail) that slides into a corresponding channel on the other component (the base on the natural nail), with a locking notch mechanism to hold it in place. In one preferred design, a thin rectangular tab protrudes from the underside of the faux nail (for example, via a small post or plate affixed to the faux nail) and the attachment base glued on the natural nail has a matching rectangular channel running along its center. The channel features an internal notch or recess (for instance, a widened section or side cavity) partway along its length. When the tab is inserted and moved along the channel to the notch location, a portion of the tab (such as lateral edges or a keyed section) will seat into the notch. This may involve a slight rotation or twist of the tab once it reaches the notch, causing the tab's edges to engage undercut portions of the base notch (essentially locking it in place until it is rotated back and slid out). The structural design of this connector provides a positive lock: the notch captures the tab so that the faux nail cannot slide out or lift off unintentionally. All of these components remain thin and low-profile, meaning the tab lies within the channel and the entire connector sits beneath the faux nail surface, achieving concealment of the mechanism during wear.
[0130] Operation and Multi-Point Options: In use, the sliding tab is typically inserted from one end of the channelfor example, the faux nail's tab can be aligned at the fingertip end of the base's channel and then slid toward the cuticle until it clicks or rotates into the midpoint notch. Alternative arrangements could have the tab slide from the cuticle side toward the tip, depending on which end of the base is open; designers may choose the orientation that best hides the opening or simplifies use. Once engaged in the notch, the faux nail is securely anchored: the notch and tab interaction prevents further motion until the user deliberately rotates/slides the tab back out of the locked position to remove the nail. This embodiment readily supports positioning alternatives and multi-point connections. For instance, the attachment base can be equipped with multiple notches along the channel (e.g. a first notch near the rear end tip and a second notch further forward toward the cuticle) to allow the faux nail to be attached in more than one position. A wearer might initially use the notch closest to the cuticle, and as the natural nail grows out, move the tab to a secondary notch slightly forward toward the cuticle on the same base, thereby adjusting the faux nail's position without replacing the base. Additionally, more than one sliding tab could be used (such as dual tabs in parallel channels) for broader nails or added stability, though a single centered tab is often sufficient. The materials for the tab-and-notch system are generally rigid or semi-rigid plastic for the base (to hold notch structures) and a sturdy material for the tab (which may be plastic or metal) to resist wear during repeated sliding and rotation. The system is modular in that the tab component can either be a separate piece glued onto the faux nail or formed as an integral part of the faux nail itself. As with other embodiments, the sliding tab-and-notch connector can be implemented on fingernails or toenails with appropriate scaling-longer or wider tabs and bases may be used for larger nails (such as thumbs or big toes), and the curvature of the base will be matched to the natural nail's shape for comfort.
[0131] Male/Female Grooved Channel and Rail System Structure: The male/female grooved channel and rail embodiment consists of complementary interlocking channels on the faux nail and the base. One side of the connection presents a protruding rail or tongue (the male grooved channel/rail) and the other side provides a matching groove (the female grooved channel). For example, the faux nail may have an elongated groove or track running along its underside, while the base piece on the natural nail has a raised ridge sized to slide into that groove. When the two are aligned and pushed together, the male rail nests firmly within the female slot, creating a stable linear engagement along the length of the nail. This design effectively distributes the attachment interface across a larger area (compared to a single small tab or point), which can enhance structural integrity by resisting bending or torsion of the faux nail. The cross-sectional shape of the channels can be configured for a secure fitfor instance, T-shaped or dovetail-shaped channels can be used so that once inserted, the faux nail cannot easily lift off without sliding back along the channel. All components are dimensioned to remain within the thickness of the faux nail and base, so the entire grooved channel connector is hidden beneath the faux nail when worn, preserving a natural appearance.
[0132] Engagement and Variations: In practice, the grooved channel system is typically engaged by sliding the faux nail's channel over the base's rail from one end. As a common approach, the user would hook the faux nail at the cuticle end or the fingertip end of the base and then slide it longitudinally until the faux nail covers the natural nail and the connector is fully engaged. The design can include a built-in stop or detent to define the final position (for instance, the channels might have a slight interference or a locking nub at the end of the travel so the faux nail clicks into its final seated position and resists sliding backward unless intentionally pulled). Positioning alternatives for the grooved channel may include reversing the orientation (sliding from cuticle-to-tip vs. tip-to-cuticle) or even using a shorter channel segment positioned at a particular region (e.g. a channel focused near the mid-nail area). While usually one central channel provides sufficient hold, it is possible to employ multiple parallel channels (such as two narrower rails spaced apart across the nail width) for very wide nails or to further increase stability. Multi-point adjustment can be facilitated by designing the channel with extra length or multiple detent positions: for example, the faux nail could be attached fully seated initially, and later attached in a slightly more forward position if the channel allows it, thereby compensating for nail growth. The components of this system are typically made from rigid plastics (like ABS or polycarbonate) to maintain precise channel dimensions, possibly with slight flexibility at the mouth of the female channel to ease insertion. The modularity of the grooved channel design means the female channel piece could be pre-molded as part of the faux nail or attached afterward, and similarly the male rail on the base could be integrated or a separate piece affixed to the natural nail. This grooved channel connector is equally applicable to toenails as it is to fingernails, requiring only adjustments in curvature and size; for example, a toenail version might have a broader, flatter channel to match the shape of a toenail while functioning in the same sliding manner.
[0133] Pin-and-Hole Connector System (Including Multi-Pin Variations) Structure: The pin-and-hole embodiment uses one or more pins (pegs) on the base that mate with corresponding holes in the faux nail's underside to achieve a snap-in or press-in attachment. In a simple configuration, the attachment base glued to the natural nail carries a set of small cylindrical pins (for instance, two or three posts protruding upward), and the faux nail includes a rigid plate or section on its underside with matching drilled holes. When the faux nail is pressed onto the base, the pins insert into the holes, aligning and anchoring the faux nail in place. The fit between pins and holes is preferably tight enough to create friction and prevent the faux nail from wobbling or falling off under normal use. In some cases, the pins may have a slight taper or a flared head to produce a mild snap-fit when fully seated in the holes (the hole diameter may narrow at a certain depth to catch the pin head). The arrangement and number of pins can vary: a common design might use two pins (e.g. one toward the rear and one toward the front of the base) to secure the nail, or a three-pin system could be used to provide even greater stability against rotation and lifting. For example, a three-pin layout may position two pins toward one end and one pin toward the opposite end, roughly forming a triangle that locks the faux nail's orientation. All pins are short enough that they do not protrude through the thickness of the faux nail; thus, from the exterior, the faux nail appears seamless and the connection points are concealed.
[0134] Variations and Multi-Point Adjustability: The pin-and-hole system is inherently modular and offers several variations for improved performance and adjustability. Multi-point connections are achieved by using multiple pinsnot only does having more pins (such as three instead of two) increase the mechanical stability, but the system can also incorporate multiple hole options for each pin to allow repositioning. For instance, the faux nail's attachment plate might be designed with a series of holes along its length (or in different positions), while the base might carry a subset of pins that align with a selected set of those holes. In one embodiment, a faux nail could have a row of five small holes spaced longitudinally, and the base might have three pins; at any given time, only three of the holes are occupied by pins, leaving some holes unused. This configuration enables the user to attach the faux nail at different offsets: initially the pins may engage the first three holes (placing the faux nail in a rearward position on the nail bed), and later the faux nail can be shifted forward toward the cuticle by engaging a different combination of three holes (for example, holes 3-5), effectively moving the faux nail closer to the cuticle as the natural nail edge grows out. Such a design addresses compatibility with nail growthby providing at least two attachment positions without changing the hardware. Additionally, the number and arrangement of pins can be customized based on nail size-a smaller fingernail might effectively use two pins, whereas a larger or flatter toenail might benefit from three pins to prevent any rocking motion. The materials used in the pin-and-hole system can mix metal and plastic for optimal results: the pins on the base could be made of metal (or a hard plastic) to resist bending, and the holes can be reinforced or surrounded by a sturdy plastic that won't crack under repeated pin insertions. Alternatively, the entire system can be made of a resilient plastic, taking advantage of slight flex in the material for the friction fit. This embodiment also allows integration or separation of components; for example, the pin-carrying base is a separate element attached to the natural nail, and the hole-bearing plate might be integrally molded into the faux nail's underside (eliminating the need to glue a separate plate). Like other embodiments, the pin-and-hole connector is suitable for both fingers and toesthe concept remains the same, with adjustments made to pin size, spacing, and base curvature to accommodate the different geometries of various nails.
[0135] Threaded Connector Ring System (Male/Female Threaded Coupling) Structure: The threaded connector ring embodiment utilizes a male-female thread pair to fasten the faux nail to the base in a screw-like manner. In one implementation, the attachment base on the natural nail features a male threaded post or ring (for example, a short cylindrical stub with external screw threads), and the faux nail's underside has a female threaded collar or recess that corresponds to the base's post. To attach the nail, the faux nail is placed such that the threaded parts align, and then it is rotated (twisted), causing the threads to engage and tighten. A partial turn (e.g. a quarter or half rotation) may draw the faux nail flush against the base, locking it securely by the threaded engagement. The threads can be standard helical screw threads or a custom bayonet-style twist-lock (in which case lugs and grooves function similarly to threads by engaging with a short turn). When tightened, the threaded connector ring holds the faux nail with significant strengthit resists straight pull-off because the threads must be unscrewed to release. The design of the threaded connector ensures that it remains mostly out of sight: the female threaded ring on the faux nail can be recessed into the body of the faux nail, and the male threaded post on the base is typically low-profile. Once the faux nail is screwed on, the connection interface is covered by the faux nail itself, achieving complete concealment from view and maintaining a smooth external nail surface.
[0136] Design Considerations and Alternatives: The threaded connector offers positional security and is less likely to detach accidentally during use (since it requires a deliberate untwisting action to remove). The orientation of the thread (right-hand vs. left-hand twist) is usually chosen so that typical hand motions do not inadvertently loosen the connection. Positioning of a threaded connector is often central on the nail to distribute forces evenly, but small offsets are possible if needed (for example, a threaded coupling could be located slightly toward the cuticle or tip as long as the faux nail and base are designed to align appropriately). In most cases, a single threaded ring provides ample hold; however, for a larger nail, one could envision using two smaller threaded connectors (though this adds complexity and the need to synchronize two screws). Unlike sliding or pin connectors, a single threaded attachment inherently fixes the faux nail's position without a straightforward way to have multiple preset positions (because the faux nail will tighten at the same relative position each time). Nevertheless, if adjustability for nail growth is desired in a threaded system, one approach could be to provide interchangeable base pieces of different thicknesses or heights, or a threaded post with multiple start positions (though these are more complex solutions). Material selection is important for longevity: the threads may be formed in a hard plastic or metal to prevent stripping. For example, the base's male threaded post might be metal (or a plastic with high wear resistance), and the faux nail's female thread could be a metal insert or a robust molded plastic form. The modularity of this design allows the threaded insert on the faux nail to be integrated during manufacturing or added on later, and similarly the base post could be part of a replaceable base unit. This threaded connector concept is applicable to toenail adornments as well-threads can be scaled up for larger toenails, and the base can be contoured to the toenail shape, giving toenail faux nails a screw-on/off functionality that is secure even under the higher pressure that toes might experience (for instance, in shoes). Overall, the threaded connector ring system provides a secure, reusable attachment with a discreet profile and robust mechanical engagement.
[0137] Pressure-Fit (Snap-Fit or Friction-Fit) Connector System Structure: The pressure-fit connector embodiment relies on a snap-fit or friction coupling where the faux nail is pressed onto the base and held by interlocking shapes and frictional force rather than by a separate latch or thread. In a typical design, the base attached to the natural nail may have a slight bulge, ridge, or set of flexible clips, and the faux nail's underside has a complementary recess or edge that snaps over the base. One simple example is a ridge-and-groove: the base could present a small raised bump or ridge running across it, and the faux nail has a shallow groove or lip that is just slightly smaller than the ridge. When the faux nail is pushed down, the ridge forces the groove to flex open until it passes the widest point, at which point the faux nail snaps into place, the groove now nestled around the base's ridge. Another example is a peg-and-socket friction fit, where a blunt peg on the base presses into a tight socket on the faux nail without any rotation or slidingthe retention comes purely from the tightness of the fit and maybe a mild undercut. In all these cases, the pressure-fit connector is designed to have enough holding force to keep the faux nail securely attached during normal activities, while still allowing the wearer to intentionally pop off or pry off the faux nail without damage. Because these connectors are usually small and integrated into the interior surfaces, they remain hidden from view. The exterior of the faux nail remains smooth and natural-looking, and the base's protrusion (bump, ridge, or peg) is low-profile enough that even when the faux nail is removed, it does not significantly impede everyday activities or comfort.
[0138] Features and Variations: A major advantage of the snap-fit/friction-fit system is its simplicity and speed of use-attaching the nail often requires just pressing it down until it clicks, and removal is as easy as prying gently. Positioning of a pressure-fit connector can be chosen based on where a secure hold can be achieved without compromising comfort. Often a central placement on the nail bed is effective (e.g. a single circular snap fastener in the middle of the nail), but multiple smaller snap connectors can also be used, such as one near the cuticle and one toward the tip, or a pair spaced laterally. Using multiple snap points can increase stability and prevent any pivoting of the faux nail (for instance, a three-peg friction-fit arrangement could function similarly to the multi-pin system in distributing forces). However, each additional snap point may make removal slightly more difficult, so the design balances ease of use with secure attachment. The anchoring in a pressure-fit system is achieved through the geometry and material properties: typically, the base and faux nail connector parts are made of a resilient material (for example, a tough plastic with a bit of flex or even a nylon-like material) that can deform slightly during the snap engagement and then return to shape to lock the pieces together. Material choices are crucial-too rigid and the parts might crack instead of flexing; too soft and the connection might become loose over time. A high-quality polymer that maintains its shape after repeated use is preferred. Some designs may incorporate a slight bevel or lead-in on the snap features to guide the pieces together and reduce wear. Because snap-fit connectors do not inherently provide adjustable positions for nail growth, the base may be designed to be easily repositionable on the nail (for example, the wearer might remove the base and reattach it slightly closer to the cuticle after a couple of weeks, or use a new base). Alternatively, a combination of a snap-fit with multiple base anchor positions could be used (e.g. two sets of receiving grooves on the faux nail, allowing it to snap in at two different depths on a specialized base). In general, though, the strength of the pressure-fit system lies in its quick interchangeability and minimal hardware. As with other embodiments, this system can be applied to toenails as well; for toenail use, the snap-fit connectors might be made slightly stronger or larger to account for the greater forces on toenails (such as pressure from footwear), and the base curvature would be adjusted for the typically flatter profile of toenails. The pressure-fit connector provides a frictional, reusable hold that enhances user convenience while keeping the attachment mechanism discreet.
[0139] Concealment and Aesthetics: An overarching advantage of the present reusable nail system (across all the described embodiments) is the complete concealment of the attachment mechanism, resulting in a highly natural look. All connectors-whether dovetail prongs, sliding tabs, channels, pins, threads, or snapsare designed to reside on the underside of the faux nail and within the profile of the natural nail. This means that when a faux nail is attached, no bulky glue residue, tabs, or mechanical parts are visible on top of the nail or around the edges. The base components are generally low-profile and can be made in translucent or flesh-matching materials, so even when the faux nail is removed, the appearance is subtle. This concealed design allows users to confidently wear the faux nails without the attachment system drawing attention, thereby preserving the aesthetic appeal of beautifully adorned nails.
[0140] Comfort and Fit: The present invention provides improved comfort due to the thin, contoured design of the base connectors and the secure yet non-invasive nature of the attachments. Each embodiment's base is shaped to match the natural nail curvature (both side-to-side and along the length), ensuring that it sits flush on the nail bed without sharp edges or significant protrusions. This customized fit, combined with the low profile of the connectors, means users experience minimal interference in their daily activitiesthe faux nails feel secure and comfortable as if they were naturally part of the hand or foot. Overall, the system's focus on ergonomic fit and gentle materials translates to a better user experience in terms of comfort over extended wear.
[0141] Structural Integrity and Secure Attachment: All of the described embodiments offer a high level of structural integrity and durability, ensuring the faux nails remain securely attached during use. The mechanical connectors (such as interlocking dovetails, locked tabs, snug pins, threads, or snaps) create firm bonds that resist the typical forces experienced by nailsfor example, forces from tapping, typing, scratching, or pressure from footwear. Unlike traditional glue-on nails (which might pop off if the glue bond weakens or if subjected to stress), the present invention's attachments are engineered to withstand repetitive forces and will not easily detach unless intended. The materials chosen (sturdy engineering plastics, metals where appropriate) contribute to this durability, enabling each connector to endure many cycles of attachment and removal without breakage. The structural robustness also means the faux nails have improved longevity: they do not crack or split from prying them off, since removal is done by disengaging the connector in a controlled way rather than forcibly ripping a glued surface. Consequently, both the connector parts and the decorative faux nails maintain their integrity and can be reused for long periods.
[0142] Reusability and Longevity: A key advantage of the present system is true reusability of the faux nails, which addresses a major shortcoming of prior art solutions. Because the faux nail is not permanently glued each time to the natural nail, it can be removed and reapplied repeatedly without losing its pristine condition. Users can wear a set of faux nails, remove them at the end of the day or week, and later reattach them for another occasion, all while the nails retain their original appearance (no layers of dried glue, no warping from harsh removal chemicals, etc.). This extends the lifespan of each faux nail dramatically, allowing designs (especially intricate or costly nail art) to be enjoyed multiple times. The reusability offers economic and practical benefits: users do not need to purchase new nails or visit salons as frequently, and they can maintain a collection of styles to swap in and out. Even the base connectors themselves are reusable for extended periodsfor instance, a base adhered to the natural nail can often remain in place for multiple faux nail attachment cycles. When it is time to replace or reposition the base (such as when the natural nail has grown out significantly or if the adhesive on the base needs renewal), this can be done without damaging the faux nails. Overall, the invention transforms faux nails from largely single-use accessories into long-lasting, reusable products, which is both cost-effective for the user and reduces waste.
[0143] Ease of Use and User Experience: The present invention greatly enhances the user experience by making the application and removal of artificial nails quick, clean, and intuitive. Each embodiment is designed for relatively simple operation: for example, sliding the nail on until it clicks, or giving it a slight twist to lock, or just pressing it into place. These actions are straightforward and typically require only minimal training or skill, especially compared to the careful gluing and prying required with traditional faux nails. There is no mess from liquid adhesives, no long waiting for glue to dry, and no harsh acetone needed for removalthe nails can be swapped out in a matter of minutes. This ease of interchange means users can change nail styles frequently (even daily) to match outfits or occasions, which adds a new level of personalization and convenience. The secure attachment also gives users confidence during wear; they can engage in normal activities without fear that a nail will suddenly pop off. When removal is desired, it is gentle and does not leave behind extensive residue or cause pain. Collectively, these improvements make the process of wearing artificial nails more enjoyable and accessible, encouraging regular use and experimentation with different looks. The system essentially streamlines the faux nail experiencefrom application to removal-enhancing satisfaction and saving time.
[0144] Manufacturability and Modularity: The connector designs of the present invention are conceived with manufacturability in mind, ensuring that they can be produced reliably and integrated into faux nails at scale. Most components are suitable for injection molding or precision casting, using materials common in the cosmetics and medical device industries. The shapes (tabs, channels, rings, etc.) are designed to be as simple as possible while fulfilling their function, which helps keep manufacturing costs reasonable and quality control straightforward. Additionally, the invention's inherently modular architecture (separable base and nail components) lends itself to mass production of standardized bases and attachment elements that can be mixed and matched. For example, a single base design could fit a range of faux nail designs, allowing manufacturers to produce base units in bulk and decorative nail covers separately. This interchangeability simplifies inventory and production-different nail lengths, shapes, and art styles can all utilize the same underlying attachment mechanism. From the user's perspective, this modularity means that upgrading or changing part of the system does not necessitate replacing everything: a new style of faux nail can be used with an existing base, or vice versa, as long as the connector type is the same. The result is a flexible ecosystem of products that benefits both producers (through efficient manufacturing and product line diversity) and consumers (through compatibility and choice).
[0145] Compatibility with Natural Nail Growth: Uniquely, the present reusable nail system accommodates the natural growth of the wearer's nails, an advantage that sets it apart from conventional artificial nails. In prior approaches, as the real nail grows and extends beyond the fake nail, an unsightly gap appears near the cuticle, often requiring the artificial nail to be removed and reapplied from scratch. With the current invention, many of the embodiments allow for incremental adjustment of the faux nail's position on the base. As detailed in the embodiments above, features like multiple notches in a sliding connector, multiple hole positions in a pin connector, or simply the ease of repositioning the base itself, mean that the faux nail can be moved forward toward the cuticle to close the gap created by nail growth. This can often be done without entirely removing the base or replacing any componentsthe user can unlock the faux nail, shift it to the next position, and lock it again in a matter of moments. Because the base remains attached and only the faux nail's position changes, the natural nail is not repeatedly subjected to peeling off glued surfaces, which helps maintain the health and integrity of the natural nail. The compatibility with nail growth ensures that the manicure or pedicure continues to look fresh and well-aligned over time, significantly extending the interval before a full reapplication is needed. This feature enhances the practicality of the system for long-term wear and demonstrates a thoughtful alignment of the product's functionality with the natural biology of nail growth, ultimately providing a consistently neat appearance and healthier nails for the user.
[0146] In a preferred embodiment of the present invention there is a Reusable False Fingernail Device comprising a false nail having a hollowed underside and at least one male prong projecting therefrom, and a false nail plate configured to be secured to a natural fingernail. The false nail plate includes a convex protruding mound dimensioned to fit within the hollowed underside of the false nail, the mound comprising a recessed female socket adapted to receive the male prong. When the false nail and false nail plate are engaged, the convex mound is concealed beneath the false nail and the male prong and female socket form a dovetail-type joint that resists vertical separation of the false nail from the false nail plate without the use of adhesives. The connection provides a reusable, secure, and concealed coupling between the false nail and the nail plate, enabling repeated attachment and removal cycles.
[0147] In an alternate embodiment of the present invention there is a reusable false fingernail device wherein the male prong and female socket are curved to follow the natural curvature of a human fingernail, with a curvature radius of no less than approximately forty degrees. This curvature promotes a natural alignment of the false nail with the natural nail and enhances comfort during use while maintaining engagement strength.
[0148] In an alternate embodiment of the present invention there is a reusable false fingernail device wherein the male prong and female socket are linear rather than curved. This linear configuration simplifies manufacturing, permits sliding insertion, and provides a firm joint suitable for users preferring flat or squared nail profiles.
[0149] In an alternate embodiment of the present invention there is a reusable false fingernail device wherein the convex protruding mound has a dome-shaped exterior configured to mate with a complementary concavity in the false nail. This dome shape improves central support and load distribution between the nail plate and the false nail.
[0150] In an alternate embodiment of the present invention there is a reusable false fingernail device wherein the convex protruding mound has a downward-sloped exterior to reduce bulk and improve concealment. The sloped surface allows a thinner profile near the cuticle area, providing a more natural visual transition between the artificial and natural nail.
[0151] In an alternate embodiment of the present invention there is a reusable false fingernail device wherein the false nail comprises a plurality of male prongs and the false nail plate comprises a corresponding plurality of female sockets arranged to engage the plurality of male prongs. The multiple engagement points provide improved mechanical stability and uniform load distribution.
[0152] In an alternate embodiment of the present invention there is a reusable false fingernail device wherein each female socket is located between adjacent male prongs on the false nail, and each male prong is located between adjacent female sockets on the false nail plate. This alternating arrangement enhances interlocking engagement and prevents lateral shifting of the false nail.
[0153] In an alternate embodiment of the present invention there is a reusable false fingernail device wherein the plurality of prongs and sockets are symmetrically arranged relative to the longitudinal axis of the nail. The symmetrical distribution offers aesthetic uniformity and predictable stress balance during engagement and use.
[0154] In an alternate embodiment of the present invention there is a reusable false fingernail device wherein the plurality of prongs and sockets are asymmetrically arranged to distribute stress unevenly for improved resistance against lateral rocking and detachment. This configuration increases the reliability of the engagement during physical activity.
[0155] In an alternate embodiment of the present invention there is a reusable false fingernail device wherein the convex mound is positioned selectively at a center, cuticle end, or tip end of the nail plate. This selective positioning provides different aesthetic and mechanical effects, such as enhanced lift at the tip or improved security at the cuticle end.
[0156] In an alternate embodiment of the present invention there is a reusable false fingernail device wherein the convex mound may be dome-shaped or sloped to provide concealment and flexibility in comfort. These shape options accommodate variations in user preference and nail anatomy.
[0157] In an alternate embodiment of the present invention there is a reusable false fingernail device wherein the nail plate remains secured to the natural nail while the false nail is repeatedly attached and detached without deformation. The materials used may include resilient polymers that maintain shape memory under repeated cycles of engagement.
[0158] In an alternate embodiment of the present invention there is a reusable false fingernail device configured as a false toenail sized and shaped for toenail anatomy. The system may use identical mechanical principles but adapted dimensions to fit toenail curvature and thickness.
[0159] In a preferred embodiment of the present invention there is a Reusable False Fingernail Device comprising a false nail having an attachment tab projecting from an underside and a nail plate configured to be secured to a natural fingernail. The nail plate includes a convex protruding mound having a longitudinal grooved channel dimensioned to slidingly receive the attachment tab, wherein the grooved channel includes at least one retention notch configured to engage the attachment tab to lock the false nail in place. The grooved channel lacks a stopper wall at the cuticle end and the mound on the nail plate is shortened in length, thereby permitting the false nail to slide into the channel from the tip end for engagement. The attachment tab and grooved channel remain concealed beneath the false nail when engaged, and the false nail is removably secured without adhesive.
[0160] In an alternate embodiment of the present invention there is a reusable false fingernail device wherein the grooved channel includes a plurality of retention notches spaced along its length, each notch defining a distinct locking position to permit repositioning of the false nail to accommodate nail growth. This configuration allows the user to adjust the position of the false nail without replacing the plate, extending its usable life.
[0161] In an alternate embodiment of the present invention there is a reusable false fingernail device wherein the nail plate comprises two parallel grooved channels and the false nail comprises two corresponding attachment tabs, each receivable in a respective channel. The dual-channel design increases lateral stability and prevents rotational movement.
[0162] In an alternate embodiment of the present invention there is a reusable false fingernail device wherein the attachment tab and grooved channel are formed of polymeric material dimensioned to flex during engagement and to provide an audible click when seated in the retention notch, the engagement exhibiting characteristics of a snap-fit annular joint. The snap-fit structure gives tactile feedback confirming full seating and secure connection.
[0163] In an alternate embodiment of the present invention there is a reusable false fingernail device wherein the shortened mound geometry reduces profile thickness and enhances concealment beneath the false nail. The resulting design improves comfort and natural appearance while maintaining sufficient mechanical strength.
[0164] In an alternate embodiment of the present invention there is a reusable false fingernail device wherein the sliding configuration permits repeated attachment and removal cycles without structural deformation. The coupling is engineered for longevity, allowing the user to exchange false nails as desired without replacing the nail plate.
[0165] In a preferred embodiment of the present invention there is a Reusable False Fingernail Device comprising a false nail having a hollowed underside curved to accommodate a nail plate, the underside further comprising a hollowed grooved channel embedded within the false nail, the grooved channel including a plurality of retention notches comprising a first retention notch and a second retention notch. A nail plate configured to be secured to a natural fingernail includes a plurality of projecting male tabs, each dimensioned to slidingly engage the hollowed grooved channel of the false nail. The grooved channel includes at least one more retention notch than there are male tabs. The projecting male tabs are curved or sloped to facilitate smooth engagement, and the grooved channel and projecting tabs remain concealed beneath the false nail when engaged so that the false nail is removably secured without adhesive.
[0166] In an alternate embodiment of the present invention there is a reusable false fingernail device wherein the male tab of the nail plate is positioned selectively at the center, cuticle end, or tip end of the nail plate. Selective positioning allows adjustment of engagement strength and distribution of load forces, offering ergonomic benefits and aesthetic flexibility.
[0167] The present invention provides a customizable artificial nail system that combines the aesthetic realism of traditional false nails with the convenience of mechanical reusability. By employing concealed coupling features such as prongs and sockets, sliding tabs and channels, and multi-notch retention geometries, the invention achieves secure engagement while preserving comfort and cosmetic quality. Unlike adhesive systems that deteriorate after a single use, the present invention enables repeated use with consistent holding power and no residue on the natural nail.
[0168] The inventive designs improve hygiene by limiting excessive use of chemical adhesives and the fungal risk associated with adhesive residues. The reusable nail plate serves as a permanent base that remains attached to the natural nail, while interchangeable false nails can be attached, removed, and replaced in seconds. This allows users to vary nail styles and colors while maintaining the same foundation plate, significantly reducing cost and material waste.
[0169] The mechanical engagement methods of the invention provide strong vertical retention yet permit smooth lateral release. The concealed nature of the engagement yields a visually seamless appearance without visible hooks or clips. Optional curvature and asymmetry improve fit and comfort for diverse nail anatomies, while sloped and domed geometries distribute stress evenly to prevent lifting or cracking.
[0170] The invention enhances durability and sustainability through the use of flexible polymeric materials capable of repeated deformation without fatigue. Audible or tactile feedback during engagement confirms a proper fit, ensuring user confidence. Adjustability within the multi-notch and sliding embodiments allows compensation for natural nail growth, extending the effective wearing period without reapplication.
[0171] In summary, the present invention offers a reusable, false nail system that combines mechanical innovation, user comfort, hygiene, and aesthetic versatility. The embodiments described herein collectively provide a long-lasting, cost-effective, and environmentally responsible alternative to single-use adhesive artificial nails.
[0172] The invention has been described by way of examples only. Therefore, the foregoing is considered as illustrative only of the principles of the invention. Further, since numerous modifications and changes will readily occur to those skilled in the art, it is not desired to limit the invention to the exact construction and operation shown and described, and accordingly, all suitable modifications and equivalents may be resorted to, falling within the scope of the claims.
[0173] Although the invention has been explained in relation to various embodiments, it is to be understood that many other possible modifications and variations can be made without departing from the spirit and scope of the invention.