Closure for article, in particular for jewelry

Abstract

A jewelry item has a ring part pivotally attached to a closure at one end, the closure comprising a ring continuation arm pivotally attached to the ring part, and a bias arm which in turn has a spring part and a lever pivotally attached to each other, the bias arm being rigidly attached to the ring part, so that as the ring part is opened, the lever rotates inwardly, pulling the pivoted end of the spring part, the spring part having a natural shape of smaller circumference than the ring itself so that once a certain extent is reached, the spring part pulls the lever to allow the spring part to attain its smaller diameter and thus establishes a stable open position. On closure of the ring part, the lever pushes the spring part outwardly towards the ring continuation arm to establish a second stable position to close the earring.

Claims

1. A jewelry item comprising a ring part and a closure, the closure connecting to said ring part at a first end, the closure comprising a ring continuation part, the closure comprising a spring arm having a first end and a second end and extending along a length of said closure and radially outwardly of said ring continuation part, the spring arm being pivoted to said closure at a first location thereon and further pivoted to said ring part at a second location, said closure having a pivoted hinge located at said first end, said first end being between said first location and said second location, the spring arm maintaining a fixed length between said first end and said second end and resiliently bending between a radially outwardly extended first stable state and a radially inwardly extended second stable state, thereby providing said closure with a first open stable position and a second closed stable position and a snapping motion between said first and second stable positions, wherein said first end is closer to said second location than to said first location.

2. The jewelry item of claim 1, wherein the jewelry item comprises an earring, the earring comprising a setting and a pin, and the closure for closing over the pin, the first end being on the setting and the second end being a free end of the pin, the first position being a position in which the closure connects to the pin to close the earring and the second position being a position in which the closure is spaced away from the pin to open the earring, or wherein the jewelry item comprises a ring or a bracelet, the ring comprising a band and the closure being incorporated into the band, the first and second ends being on the band, the first position being a position in which the closure connects the band to close the ring and the second position being a position in which the closure opens the band.

3. The jewelry item of claim 1, being a huggie style earring.

Description

BRIEF DESCRIPTION OF THE DRAWINGS

(1) Some embodiments of the invention are herein described, by way of example only, with reference to the accompanying drawings. With specific reference now to the drawings in detail, it is stressed that the particulars shown are by way of example and for purposes of illustrative discussion of embodiments of the invention. In this regard, the description taken with the drawings makes apparent to those skilled in the art how embodiments of the invention may be practiced.

(2) In the drawings:

(3) FIGS. 1A-1C are examples of prior art huggie earrings;

(4) FIG. 2 is a perspective view of a huggie earring according to a horseshoe embodiment of the two-stable positions feature with the closure in a closed position;

(5) FIG. 3 is a two-dimensional view of the earring of FIG. 2;

(6) FIG. 4 is a perspective view of the huggie earring of FIG. 2 with the closure in an open position;

(7) FIG. 5 is a two-dimensional view of the earring of FIG. 4;

(8) FIG. 6 is a perspective view of a huggie earring according to a round embodiment further illustrating the principle of the two stable positions;

(9) FIG. 7 is a two-dimensional view of the huggie earring of FIG. 6;

(10) FIG. 8 is a two-dimensional view of the huggie caning of FIG. 6 in an open position;

(11) FIG. 9 is a schematic drawing showing a looped leafspring in a first stable position;

(12) FIG. 10 is a schematic drawing showing a looped leafspring in a second stable position;

(13) FIG. 11 illustrates a huggie earring according to a first embodiment of the present invention in which an intermediate pivot is used to lock the closure into either of the two stable positions.

(14) FIG. 12 is a side view of the earring of FIG. 11;

(15) FIG. 13 is a perspective view of the earring of FIG. 11;

(16) FIG. 14 is a side view of the earring of FIG. 11 in a closed position;

(17) FIG. 15 is a side perspective view of a huggie earring according to a second embodiment of the present invention in a closed position;

(18) FIG. 16 is a side view of the earring of FIG. 15;

(19) FIG. 17 is a view of the closure mechanism of the earring of FIG. 15;

(20) FIG. 18 is a side view of the huggie earring of FIG. 15 in an open position;

(21) FIG. 19 is a side perspective view of the huggie earring of FIG. 15;

(22) FIG. 20 is a side view of a huggie earring according to a third embodiment of the present invention in an open position;

(23) FIG. 21 is a side perspective view of the huggie caning of FIG. 20;

(24) FIG. 22 is a perspective view of a ring in a closed position according to an embodiment of the present invention; and

(25) FIG. 23 is a perspective view of the ring of FIG. 22 in an open position.

DESCRIPTION OF SPECIFIC EMBODIMENTS OF THE INVENTION

(26) The present invention, in some embodiments thereof, relates to closures for articles such as items of jewelry, and more particularly but not exclusively to jewelry, for example earrings, such as huggie earrings.

(27) Such an caning may have a setting and a pin, and a closure for closing over the pin. The closure consists of a leaf spring extending outwardly in a first loop part from a first location on the setting and looping back in a second loop part to a second location adjacent the first location on the setting. The loop parts each have shape memory and are set with different remembered shapes. The two different remembered shapes work against each other to flip the closure between two stable positions, a first position in which the closure connects to the pin to close the caning and a second position in which the closure is spaced away from the pin to open the caning. The design is particularly suitable for a huggie style earring.

(28) A one part locking mechanism piece may thus be made of such a looped over leaf spring. The leaf spring may have two pivoted hinges or soldered joints fixed to the setting and may always flip between one of two stable positions caused by two remembered shapes of each half of the loop working against each other. The mechanism consists of a single part and thus does not have the problems of known earrings because there is no isolated spring or catch or other separate parts, thus reducing the overall failure rate.

(29) The looped over leaf spring thus provides a catch mechanism based on the two stable states, an open state allowing attachment and detachment of the earring from the earlobe and a closed state, locking the earring in position on the earlobe. The mechanism is applicable not just to huggie style earrings but to any kind of earring or any other piercing or any kind of jewelry which requires an easy to operate mechanism for locking in position.

(30) The looped over leaf spring may be made of two different metals fused together to enhance the shape memory.

(31) FIGS. 1A-1C are discussed in the background and show examples of three huggie earrings of the known art. Each of the earrings shown has a closing mechanism that comprises a hinge with a spring or other type of locking mechanism, the additional parts increasing the failure rate.

(32) Before explaining at least one embodiment of the invention in detail, it is to be understood that the invention is not necessarily limited in its application to the details of construction and the arrangement of the components and/or methods set forth in the following description and/or illustrated in the drawings. The invention is capable of other embodiments or of being practiced or carried out in various ways.

(33) Referring now to the drawings, FIG. 2 is a simplified diagram showing a schematic three-dimensional perspective view of a huggie earring illustrating the principle of the two stable positions. FIG. 3 is a two dimensional profile of the same embodiment. In FIG. 2, a huggie earring 10 comprises a pin 12 for fitting through the piercing, a front setting part 14 and a closure part 16. The closure part 16 comprises a leaf spring element 18 that forks into upper 20 and lower 22 leaf spring continuations or prongs. From another point of view the leaf spring starts at one prong, extends to base element 18 and loops back as the other prong. Each of the leaf spring continuations is attached separately by a respective hinge 24 and 26, to the setting 14. The hinges or pivots allow each leaf spring continuation to rotate independently, and thus give rise to two stable positions as will be detailed below and include a mechanism for flipping or jumping between them.

(34) The balance of forces between the two leaf spring continuations mandates two stable positions, one as shown in FIGS. 2 and 3 in which the caning is closed and a second position where the caning is open and the pin is free to be inserted and removed from the ear piercing. This contrasts with the prior art systems of FIG. 1 where a single hinge is spring loaded to flip between open and closed positions.

(35) Reference is now made to FIGS. 4 and 5, which are 3D perspective and 2D face on views of the huggie earring of FIG. 2 in the open position. Parts that are the same as in preceding figures are provided with the same reference numerals and are not described again except as needed for understanding the present figure.

(36) In FIG. 4 the closure part 16 has been opened by rotating closure end 18, causing leaf spring continuations 20 and 22 to rotate on pivots 24 and 26 and reach a second stable position. An inclusion 28 on the pin catches the lower end of the closure when in the first stable position, that is the closed position.

(37) FIGS. 6-8 illustrate a rounded version 30 of a huggie caning. FIG. 6 is a simplified 3 dimensional perspective view of the rounded earring 30. FIG. 7 is a two dimensional view showing a cross-section of the earring, and FIG. 8 is a two dimensional view showing the earring in the open position. In rounded earring 30 the top 32 of the closure 16 is a bar. Leaf springs 34 and 36 extend at right angles from two different locations at different heights of the bar 32 and curve downwards. At the far end the leafsprings are soldered or welded onto respective locations on the setting 14. From another point of view a single continuous leaf spring begins at one of the welds, loops up via bar 32 and then continues down the leaf spring extension to the second weld. The springiness of the two leafsprings 34 and 36 allows them to alternate between two stable positions as in the previous embodiments. Pivots however could be used as an alternative, and for that matter, soldering could be used on the horseshoe shaped earring 10.

(38) Reference is now made to FIGS. 9 and 10 which further illustrate the principle of the two stable positions. A single continuous length of leafspring 40 is curved back on itself and moves under the constraint that the two ends 42 and 44 of the leafspring are fixed. The two sides of the leafspring push against each other as they attempt to move within the constraints. The leafsprings typically have a shape memory so that two equilibrium positions can be defined, such as those shown in FIG. 9 and FIG. 10. That is to say a different shape may be provided to each side of the looped leafspring and then the closure is flipped between a first stable position where a first side is dominant and a second stable position where the second side is dominant.

(39) The position in FIG. 9 may be used to provide the closed position of the huggie caning and that of FIG. 10 may provide the open position of the caning.

(40) Reference is now made to FIG. 11, which shows a huggie earring 50 according to an embodiment of the present invention. The huggie earring has a ring part 52 extending from an ear insertion part 54. The ring part is pivotally attached to a closure 56 at one end, the ear insertion part being located at the other end. The closure 56 spans the continuity of the ring from the end of the ring part 52 back to the ear insertion part 54 The closure 56 comprises a ring continuation arm 58 extending in continuity of the ring and pivotally attached to the end of the ring part 52 at pivoted connection 60. An inner arm 63 underlies the ring continuation arm 58 and itself consists of two sections, arm part 64 and a lever part 66. The two sections 64 and 66 are pivotally attached to each other at pivot 68. The lever part 66 and the ring part 52 is continuous, so that as the ring part is opened, lever part 66 rotates inwardly towards the interior of the ring, pulling the pivoted end of the inner part 64. The spring part 58 has a natural shape of a larger circumference than the ring part so that once a certain extent is reached, the spring part 58 pulls the inner part 64 towards the spring part in order to allow the spring part to attain its larger diameter and this establishes a stable open position.

(41) As the ring part is closed, the lever, 66, pushes the ring continuation arm 58, which is the spring part to establish a second stable position, which closes the earring. In the second stable position the lever 66 simply presses part 64 against the ring continuation part 58. The pivot 68 may be considerably closer to the ring part 52 than to the ear insertion part 54, so that the inner arm is around four or six times longer than the lever part.

(42) FIG. 12 is a side view of the earring of FIG. 11, also showing the open position. The same reference numerals used in FIG. 11 are used again.

(43) FIG. 13 is a perspective view of the earring of FIG. 11, and again the same reference numerals are used. Here it is seen that the closure is a triple arm wherein the ring spring part 56 consists of two outer arm parts 58A and 58B and the inner part 66 and lever 64 are a third inner arm part between the two outer arm parts.

(44) FIG. 14 is a simplified drawing showing the earring of FIG. 11 in a closed position. The inner part 64 and lever 66 are pressed into the circumference of the ring to create the stable closed position.

(45) Reference is now made to FIGS. 15, 16 17, 18 and 19 which illustrate a further embodiment of the present invention in which the spring part is located radially outwardly of the ring continuation part, and the ring continuation part is articulated. FIG. 15 is a perspective view of the earring when closed. FIG. 16 is a side view and FIG. 17 is a view looking directly downwards onto the closure. FIG. 18 is a side view of the earring in the open position and FIG. 19 is a side perspective view of the same.

(46) A jewelry item 70, in this case a huggie earring, again has a ring part 72 and a closure 74. The closure 74 is continuous with the ring part 72 to form a ring circumference, and connects to the ring part via a hinge part 76. The hinge part 76 has a pivot 78 and provides articulation between the closure 74 and ring part 72. A spring 80 is pivoted between the closure 74 and the ring part across the hinge part, via pivots 84 and 86. In the closed position as in FIGS. 15 and 16 the spring is continuous with the ring circumference. In the open position as in FIGS. 18 and 19 the closure is opened and the spring snaps into a stable shape pulling the closure outward of the ring circumference. The result is to provide the closure with a first open stable position to open ear attachment pin 82, and a second closed stable position in which the earring is locked on the ear, and a snapping motion between the first and second stable positions.

(47) FIGS. 20 and 21 show a variation of the embodiment of FIG. 15 in which there is no separate hinge part. Pivot 78 is mounted on a continuation of the ring part past the point at which the spring 80 is pivoted. FIG. 20 shows a side view of the open position and FIG. 21 shows a side perspective view of the open position.

(48) Reference is now made to FIGS. 22 and 23, which show closed and open versions respectively of a ring according to the present embodiments. Although a ring is shown it will be appreciated that the same applies to a bracelet or bangle or the like. Ring 90 comprising a circumferential band 92 with a closure 94 being continuous with the band. The closure consists of a ring continuation main part 96 which is pivoted onto an extension 98 of the band 92 at pivot 102, and a spring arm 100 which is attached to the band 92 at point 104 which precedes extension 98. The far end of spring arm 100 is pivotally attached to the far end of the closure at pivot 106. The closure is stable in the two positions shown in FIGS. 22 and 23 respectively and snaps between them.

(49) The terms “comprises”, “comprising”, “includes”, “including”, “having” and their conjugates mean “including but not limited to”.

(50) The term “consisting of” means “including and limited to”.

(51) As used herein, the singular form “a”, “an” and “the” include plural references unless the context clearly dictates otherwise.

(52) It is appreciated that all features of the invention, which are, for clarity, described in the context of separate embodiments, may also be provided in combination in a single embodiment, and this document is to be understood as if such features are explicitly included. Conversely, various features of the invention, which are, for brevity, described in the context of a single embodiment, may also be provided separately or in any suitable subcombination or as suitable in any other described embodiment of the invention, and this document is to be understood as though such inclusions are explicitly made. Certain features described in the context of various embodiments are not to be considered essential features of those embodiments, unless the embodiment is inoperative without those elements.

(53) Although the invention has been described in conjunction with specific embodiments thereof, it is evident that many alternatives, modifications and variations will be apparent to those skilled in the art. Accordingly, it is intended to embrace all such alternatives, modifications and variations that fall within the spirit and broad scope of the appended claims.

(54) All publications, patents and patent applications mentioned in this specification are herein incorporated in their entirety by reference into the specification, to the same extent as if each individual publication, patent or patent application was specifically and individually indicated to be incorporated herein by reference. In addition, citation or identification of any reference in this application shall not be construed as an admission that such reference is available as prior art to the present invention. To the extent that section headings are used, they should not be construed as necessarily limiting.