Modular Fitness Apparatus with Detachable Bars and Configurable Attachments

Abstract

A modular fitness apparatus includes at least a first main bar having a threaded connector at both ends for removable attachment to externally sourced containers with compatible threaded openings. In some embodiments a center bar is also configured to connect the first and second main bars in an end-to-end arrangement, with threaded attachment interfaces ensuring a secure connection. At least one lid is removably attachable to the main bars and includes a passage configured to receive a flexible elongate element. The apparatus enables multiple exercise configurations by allowing users to assemble different structural arrangements. The modular components facilitate adjustable resistance by incorporating containers filled with various weight materials. The lid and flexible elongate element enable additional functionalities, such as jump rope and grip-strengthening applications.

Claims

1. A modular fitness apparatus, comprising: at least one first main bar having a first end and a second end, at least one of the first and second ends comprising a threaded connector configured to removably attach to a threaded opening of an external container.

2. The modular fitness apparatus of claim 1, further comprising a second main bar having a first end and a second end, each of the first and second ends comprising a threaded connector configured to removably attach to a threaded opening of an external container; and a center bar configured to removably connect the first main bar to the second main bar in an end-to-end configuration, the center bar comprising a first attachment interface at a first end configured to engage with the threaded connector at the second end of the first main bar, and a second attachment interface at a second end configured to engage with the threaded connector at the first end of the second main bar.

3. The modular fitness apparatus of claim 2, further comprising: at least one lid removably attachable to at least one of the first main bar and the second main bar, the lid comprising a passage configured to receive a flexible elongate element.

4. The modular fitness apparatus of claim 1, wherein the threaded connectors are configured to engage with standardized bottle threading.

5. The modular fitness apparatus of claim 2, wherein the center bar comprises a cylindrical elongate body having a first threaded section at the first attachment interface and a second threaded section at the second attachment interface, the first and second threaded sections being dimensioned to engage with the threaded connectors of the first main bar and the second main bar.

6. The modular fitness apparatus of claim 5, wherein the center bar further comprises a central bore extending axially through at least a portion of its length, the central bore being dimensioned to receive a flexible elongate element.

7. The modular fitness apparatus of claim 3, wherein the lid is configured to threadably engage with at least one of the first main bar and the second main bar.

8. The modular fitness apparatus of claim 7, wherein the passage of the lid comprises a hole extending through the lid, the hole being dimensioned to receive the flexible elongate element; and further comprising a stopper associated with the flexible elongate element, the stopper being configured to limit movement of the flexible elongate element relative to the lid.

9. The modular fitness apparatus of claim 3, further comprising a pair of lids, each configured to be removably attached to a respective one of the first main bar and the second main bar, the flexible elongate element being coupled between the pair of lids.

10. The modular fitness apparatus of claim 2, wherein both of the first main bar, the second main bar, and the center bar comprises an ergonomic grip surface.

11. The modular fitness apparatus of claim 2, wherein at least one of the first main bar, the second main bar, and the center bar comprises an internal cavity configured to house electronic components.

12. The modular fitness apparatus of claim 11, wherein the electronic components comprise at least one motion sensor configured to detect movement of the modular fitness apparatus.

13. The modular fitness apparatus of claim 12, wherein the motion sensor comprises at least one of an accelerometer or a gyroscope or a hall sensor.

14. The modular fitness apparatus of claim 12, wherein the electronic components further comprise a wireless communication module configured to transmit motion data to an external computing device.

15. The modular fitness apparatus of claim 2, further comprising at least one resistance band attachment member configured to removably attach a resistance band to at least one of the first main bar and the second main bar.

16. The modular fitness apparatus of claim 15, wherein the resistance band attachment member comprises a loop, hook, or fastener configured to receive the resistance band.

17. The modular fitness apparatus of claim 15, further comprising an anchor attachment configured to secure the resistance band to an external structure.

18. The modular fitness apparatus of claim 1, comprising a flexible elongate element in the form of a rope, cord, or strap.

19. The modular fitness apparatus of claim 2, further comprising a wheel assembly configured to be removably attached to at least one of the first main bar and the second main bar; and wherein the wheel assembly is configured to enable rolling movement of the modular fitness apparatus when engaged with at least one of the first main bar and the second main bar.

20. The modular fitness apparatus of claim 2, wherein the first main bar and the second main bar are configured to be removably secured together in a parallel arrangement using at least one connecting member.

Description

BRIEF DESCRIPTION OF THE DRAWINGS

[0029] Various embodiments of the invention are disclosed in the following detailed description and accompanying drawings.

[0030] FIG. 1A illustrates an example of the main bar of the apparatus, showing one possible configuration for attaching containers and flexible elongate elements.

[0031] FIG. 1B illustrates an example of the center bar, which connects two main bars to form a longer apparatus configuration.

[0032] FIG. 1C illustrates an example of the lid attachment, designed to secure flexible elongate elements such as cables or ropes.

[0033] FIG. 2A illustrates an example of the apparatus in a clubbell configuration, with a single container attached to one end of the main bar.

[0034] FIG. 2B illustrates an example of the apparatus in a dumbbell configuration with containers attached to both ends of the main bar.

[0035] FIG. 2C illustrates an example of the apparatus in a barbell configuration, with two main bars connected by a center bar and containers attached at both ends.

[0036] FIG. 2D illustrates an example of the apparatus in a macebell configuration, where a single container is attached to one end of a main bar.

[0037] FIG. 2E illustrates an example of the apparatus in a long mace configuration, where two main bars are connected by the center bar to increase the length of the apparatus.

[0038] FIG. 2F illustrates an example of the apparatus configured as a jump rope, with rope attachments at both ends of the main bars.

[0039] FIG. 2G illustrates an example of the apparatus in a forearm roller configuration, where a cable is passed through the center bar to lift a weight from a container.

[0040] Common reference numerals are used throughout the figures and the detailed description to indicate like elements. One skilled in the art will readily recognize that the above figures are examples and that other architectures, modes of operation, orders of operation, and elements/functions can be provided and implemented without departing from the characteristics and features of the invention, as set forth in the claims.

DETAILED DESCRIPTION AND PREFERRED EMBODIMENT

[0041] The following is a detailed description of exemplary embodiments to illustrate the principles of the invention. The embodiments are provided to illustrate aspects of the invention, but the invention is not limited to any embodiment. The scope of the invention encompasses numerous alternatives, modifications and equivalent; it is limited only by the claims.

[0042] Numerous specific details are set forth in the following description in order to provide a thorough understanding of the invention. However, the invention may be practiced according to the claims without some or all of these specific details. For the purpose of clarity, technical material that is known in the technical fields related to the invention has not been described in detail so that the invention is not unnecessarily obscured.

DEFINITIONS

[0043] The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.

[0044] As used herein, the term and/or includes any combinations of one or more of the associated listed items.

[0045] As used herein, the singular forms a, an, and the are intended to include the plural forms as well as the singular forms, unless the context clearly indicates otherwise.

[0046] It will be further understood that the terms comprises and/or comprising, when used in this specification, specify the presence of stated features, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, steps, operations, elements, components, and/or groups thereof.

[0047] When a feature or element is described as being on or directly on another feature or element, there may or may not be intervening features or elements present. Similarly, when a feature or element is described as being connected, attached, or coupled to another feature or element, there may or may not be intervening features or elements present. The features and elements described with respect to one embodiment can be applied to other embodiments.

[0048] The use of spatial terms, such as under, below, lower, over, upper, etc., is used for ease of explanation to describe the relationship between elements when the apparatus is in its proper orientation.

[0049] The terms first, second, and the like are used to distinguish different elements or features, but these elements or features should not be limited by these terms. A first element or feature described can be referred to as a second element or feature and vice versa without departing from the teachings of the present disclosure.

[0050] The term main bar refers to any substantially linear structural component configured to be gripped by a user and to support attachments at one or both ends. This includes, but is not limited to, cylindrical bars, tubular structures, or reinforced polymer rods. In one example implementation, the main bar may be a hollow aluminum tube with external threading at both ends to facilitate attachment of containers or connectors. In another example, the main bar may be constructed from injection-molded plastic with internal reinforcement for durability. Generally the first and second main bar are structured identically to one another.

[0051] The term connector refers to any structural feature that allows two or more components to be joined together in a secure and removable manner. This includes, but is not limited to, threaded interfaces, bayonet-style locking mechanisms, snap-fit couplings, and friction-based press-fit connections. In one example implementation, the connector is a PCO 1881-threaded interface that allows commercially available plastic bottles, such as for example coke and other carbonated drink bottles, to be secured to the main bar. Other connector types may also be used to interface with water bottles which use a different sized thread. In another example, the connector may be a quick-release coupling that enables fast interchangeability between components.

[0052] The term center bar refers to any component that facilitates the connection of two main bars in an end-to-end configuration. This includes, but is not limited to, rigid cylindrical connectors, threaded adapters, or interlocking sleeves. In one example implementation, the center bar is a metallic tube with internal threading at both ends, allowing it to engage with the threaded connectors of two main bars. In another example, the center bar may be a polymer housing with an internal bayonet lock that engages with corresponding grooves on the main bars.

[0053] The term lid refers to any removable component that can be affixed to the main bar to modify its function or enable additional exercise applications. This includes, but is not limited to, end caps, rope guides, or resistance band connectors. In one example implementation, the lid is a screw-on cap with an integrated hole, allowing a flexible elongate element to pass through while being secured by a stopper. In another example, the lid may be a U-shaped bracket that attaches to the main bar and provides an anchor point for a resistance band.

[0054] The term flexible elongate element refers to any elongated structure that can bend or flex and is used in conjunction with the apparatus to enable movement-based exercises. This includes, but is not limited to, ropes, cords, cables, and elastic bands. In one example implementation, the flexible elongate element is a nylon rope threaded through lids to form a skipping rope configuration. In another example, the flexible elongate element is an elastic resistance band looped through a connector to provide adjustable resistance.

[0055] The term container refers to any external object with an opening that can be secured to the main bar to function as a weight-bearing element. This includes, but is not limited to, plastic bottles, metal canisters, or weighted capsules. In one example implementation, the container is a standard PET plastic bottle filled with water, sand, or gravel to provide adjustable resistance. In another example, the container may be a reusable polymer vessel with a resealable lid designed for precise weight calibration.

[0056] The main bars, center bar, and lids may be formed from a variety of materials, including metals, polymers, or composite materials. In one example implementation, the main bars are made from anodized aluminum for a balance of strength and lightweight properties. In another example, the center bar is constructed from reinforced polycarbonate to provide durability while reducing weight. The lids may be composed of rubberized or thermoplastic materials to enhance grip and usability.

[0057] The flexible elongate element may be formed from synthetic fibers, natural fibers, or elastomeric compounds. In one example implementation, the flexible elongate element is a braided nylon rope treated with a moisture-resistant coating to enhance durability. In another example, the flexible elongate element is a silicone-coated steel cable for increased tensile strength. Elastic versions of the flexible elongate element may be composed of latex or thermoplastic elastomers to provide varying levels of resistance.

[0058] The apparatus may incorporate optional electronic components for tracking movement and performance metrics. In one example implementation, an accelerometer is embedded within an main bar to measure angular velocity and acceleration. In another example, a gyroscope and wireless transmitter are housed within the center bar, enabling motion data to be transmitted to a paired mobile application. The electronic components may be powered by an integrated battery or an energy-harvesting system that captures kinetic energy from user movements.

[0059] Various modifications may be made to the invention without departing from the scope of the claims. The features described herein may be implemented in alternative configurations, such as main bars with detachable grip surfaces, containers with integrated weight-adjustment mechanisms, or center bars with quick-release locking systems. The selection of specific materials, connection mechanisms, and auxiliary attachments may be varied to accommodate different use cases, environmental conditions, or manufacturing constraints.

DESCRIPTION OF DRAWINGS

[0060] The present invention relates to a modular fitness apparatus designed to provide a versatile, portable, and cost-effective solution for strength training, cardiovascular exercise, and rehabilitation. The apparatus overcomes the limitations of traditional fitness equipment by incorporating detachable bars, configurable connectors, and auxiliary attachments that allow users to assemble multiple exercise configurations using a single system. Unlike conventional fixed-weight equipment, which is often bulky, expensive, and difficult to transport, the invention enables users to generate variable resistance by attaching readily available external containers, such as plastic bottles, filled with different weight materials.

[0061] Traditional fitness tools, such as dumbbells, barbells, clubbells, and macebells, lack modularity and require users to own multiple distinct weights to perform a variety of exercises. Similarly, skipping ropes and resistance bands exist as separate training implements, necessitating additional purchases and increasing storage requirements. The present invention addresses these shortcomings by integrating multiple functionalities into a single adaptable apparatus. The modular nature of the system allows for quick reconfiguration, reducing the need for multiple pieces of equipment while maintaining the full range of workout possibilities.

[0062] A primary advantage of the invention is its ability to utilize standard bottles or other externally sourced containers as weighted elements. This eliminates the need for dedicated weight plates, reducing both cost and storage requirements. By filling the containers with different materials, users can easily adjust the weight to match their strength and training goals. The apparatus is also designed to be compact and lightweight when disassembled, making it highly suitable for individuals with limited space or those who require a portable exercise solution.

[0063] The invention further improves upon prior fitness equipment by introducing lids that expand the system's functionality beyond traditional resistance training. These attachments enable the conversion of the apparatus into a skipping rope, forearm roller, or resistance band anchor, thereby supporting both cardiovascular and rehabilitation exercises. The flexibility of the system ensures that users can customize their workouts to suit a wide range of training objectives.

[0064] Additionally, the modular fitness apparatus may incorporate electronic components to enhance tracking and monitoring capabilities. By integrating motion sensors such as accelerometers and gyroscopes, the system can provide real-time feedback on movement patterns, exercise intensity, and calorie expenditure. This feature aligns with modern fitness trends that emphasize data-driven performance tracking, offering users a more interactive and informed training experience.

[0065] Referring now to the drawings, FIGS. 1A through 1C illustrate example configurations of the different parts of the modular fitness apparatus, while FIGS. 2A through 2G illustrate example configurations that can be formed by combining the parts.

[0066] FIG. 1A illustrates the main bar 100, which serves as the primary structural element of the modular fitness apparatus. The main bar 100 has a first end 102 and a second end 106. At the first end 102 as well as second end 106, there is a threaded inner surface 104 that allows for the attachment of containers or other components, enabling the user to vary the weight of the apparatus. This threaded connection provides a secure and stable attachment, allowing the user to fill the containers with materials such as water, sand, or gravel to adjust the weight as required. The external surface 108 of the main bar 100 is smooth, providing a comfortable grip during use. Near the second end 106, the main bar 100 includes a small company logo design 112.

[0067] FIG. 1B shows the center bar 114, which acts as a coupling element between the two main bars 100. The center bar 114 has a first end 116 and a second end 120, both featuring a threaded inner surface 118. These threads allow the center bar 114 to securely connect to the main bars 100 at either end. The external surface 122 of the center bar 114 is smooth and designed to facilitate ease of handling. Additionally, the center bar 114 features a through-hole 124 at its center, which can be used for threading a flexible elongate element through, providing a further functional connection in certain configurations such as the forearm roller.

[0068] In FIG. 1C, the lid 126 is shown. This lid 126 can be attached to the main bar 100 or center bar 114 and is used in various configurations, such as in the attachment of a rope or cable for exercises like forearm rollers or skipping ropes. The lid 126 features a threaded inner surface 130 that allows it to securely attach to the corresponding component, whether it is a main bar 100 or center bar 114. The outer surface 128 of the lid 126 is smooth, ensuring ease of handling during exercises. The central opening 132 in the lid 126 is specifically designed to accommodate the passage of a flexible elongate element, such as a rope, through the hole, making it possible to use the apparatus in various exercise forms that require the use of a rope or cable.

[0069] The elements shown in FIG. 1A through 1C are designed to be modular and versatile. While the main bar 100 and center bar 114 are shown with a cylindrical shape, in alternative implementations, these bars could be designed with different cross-sectional shapes such as hexagonal, square, or even ergonomic designs to enhance grip or user comfort. Additionally, the materials used for the bars, center bar, and lid could vary depending on the specific use case. For example, the bars might be made from materials like aluminum or injected molded plastic or wood, for a lightweight and durable design, or a reinforced polymer to reduce weight while maintaining strength.

[0070] The threaded connection surfaces 104, 118, and 130 could also be configured with different types of threading depending on the containers and attachments used. For example, PCO 1881 threading may be used for compatibility with common containers like plastic bottles, though other threading types could be implemented to accommodate different kinds of containers or accessories. The flexible elongate element 142, which connects the main bars and lids for specific configurations, could vary in material, with options such as braided nylon, rubber-coated steel, or elastic bands depending on the type of exercise and the desired level of resistance.

[0071] FIG. 2A shows a clubbell configuration in which a single container 134 is attached to one end of the main bar 100. The second end of the main bar 106 is left without an additional container, making this configuration suitable for exercises involving one weighted side. The external surface 108 of the main bar 100 remains smooth and functional. The container 134 is shown attached via its neck 136 to the threaded end 104 of the main bar 100, similar to other configurations. This setup allows for more focused exercises like clubbell swings, where the weight is concentrated on one side.

[0072] FIG. 2B illustrates the apparatus in a dumbbell configuration, where two containers are attached to the main bar 100 at both ends. The first end of the main bar 102, with its threaded inner surface 104, securely attaches to the neck of the first container 134 via a threaded connection. The second end of the main bar 106 also connects to the neck of the second container 134 through a similar threaded connection. The markings on the containers 134, shown in this example, may be filled with various weight-adjusting materials, such as sand, water, or gravel, to modify the overall weight.

[0073] In FIG. 2C, the apparatus is in a barbell configuration, where two main bars 100 are connected by the center bar 114. The center bar 114 acts as a coupling member and is attached securely to the threaded ends of the two main bars 100. The first end of the center bar 116 is connected to the first main bar 100, while the second end 120 connects to the second main bar 100. Containers 134, one attached at each end of the main bars 100, provide the adjustable weight for the barbell configuration. The threaded connection at both ends of the main bars 100 securely attaches the containers 134.

[0074] FIG. 2D depicts the macebell configuration, where the main bar 100 is extended by the center bar 114 to form a longer handle/grip portion, and only one container 134 is attached at the end. The container 134 is secured via its neck 136 to the threaded end 102 of the main bar 100.

[0075] In FIG. 2E, the apparatus is shown in a long mace configuration, where two main bars 100 are connected by the center bar 114. This configuration increases the length of the macebell by using both the center bar 114 and main bars 100, allowing the user to perform exercises with greater leverage. A container 134 is attached to the end of the first main bar 100, and its weight provides the necessary resistance.

[0076] In FIG. 2F, the apparatus is configured as a jump rope. In this case, two main bars 100 are connected with the cable or rope 142 being passed through openings in the lids 126 and secured at each main bar. The lids 126 are attached at both ends of the main bars 100, providing the necessary point for securing the rope. Alternatively, the openings of the lids may be configured such that the ends of the rope 142 cannot pass through them. The central opening 132 of the lids allow the rope 142 to pass through securely. This configuration is ideal for jump rope exercises, where the user swings the rope between the handles, which are the two main bars 100, and the rope 142 provides adjustable resistance depending on the user's speed and intensity.

[0077] Finally, FIG. 2G shows the apparatus in a forearm roller configuration, where a flexible elongate element (the cable 142) is looped through the hole 124 in the center bar 114, which acts as the hand grip. The user loops the cable around the center bar in a knot, ensuring that as the user rotates the bar, the cable is forced to wrap around the center bar. The main bar 100 connects to the lid 126 at one end, while the other end of the cable 142 is attached to the container 134. As the user rotates the center bar 114, the cable wraps around it to lift the weight attached to the container 134, making this a useful configuration for strengthening the forearms and wrists. The through-hole 124 in the center bar 114 keeps the cable securely in place during the exercise, and the attachment point 112 can be used for further customization.

CONCLUSION

[0078] Unless otherwise defined, all terms (including technical terms) used herein have the same meaning as commonly understood by one having ordinary skill in the art to which this invention belongs. It will be further understood that terms, such as those defined in commonly used dictionaries, should be interpreted as having a meaning that is consistent with their meaning in the context of the relevant art and the present disclosure and will not be interpreted in an idealized or overly formal sense unless expressly so defined herein.

[0079] The disclosed embodiments are illustrative, not restrictive. While specific configurations of the modular fitness apparatus of the invention have been described in a specific manner referring to the illustrated embodiments, it is understood that the present invention can be applied to a wide variety of solutions which fit within the scope and spirit of the claims. There are many alternative ways of implementing the invention.

[0080] It is to be understood that the embodiments of the invention herein described are merely illustrative of the application of the principles of the invention. Reference herein to details of the illustrated embodiments is not intended to limit the scope of the claims, which themselves recite those features regarded as essential to the invention.