US20220062683A1 - Exercise apparatus - Google Patents
Exercise apparatus Download PDFInfo
- Publication number
- US20220062683A1 US20220062683A1 US17/009,549 US202017009549A US2022062683A1 US 20220062683 A1 US20220062683 A1 US 20220062683A1 US 202017009549 A US202017009549 A US 202017009549A US 2022062683 A1 US2022062683 A1 US 2022062683A1
- Authority
- US
- United States
- Prior art keywords
- handle
- weighted
- dumbbell
- threaded portion
- barbell
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Abandoned
Links
- 238000000034 method Methods 0.000 description 3
- 210000003205 muscle Anatomy 0.000 description 1
- 230000003387 muscular Effects 0.000 description 1
- 230000001131 transforming effect Effects 0.000 description 1
Images
Classifications
-
- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B21/00—Exercising apparatus for developing or strengthening the muscles or joints of the body by working against a counterforce, with or without measuring devices
- A63B21/06—User-manipulated weights
- A63B21/072—Dumb-bells, bar-bells or the like, e.g. weight discs having an integral peripheral handle
- A63B21/0722—Dumb-bells, bar-bells or the like, e.g. weight discs having an integral peripheral handle transformable, e.g. from dumb-bell to bar-bell
-
- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B21/00—Exercising apparatus for developing or strengthening the muscles or joints of the body by working against a counterforce, with or without measuring devices
- A63B21/06—User-manipulated weights
- A63B21/072—Dumb-bells, bar-bells or the like, e.g. weight discs having an integral peripheral handle
- A63B21/0728—Dumb-bells, bar-bells or the like, e.g. weight discs having an integral peripheral handle with means for fixing weights on bars, i.e. fixing olympic discs or bumper plates on bar-bells or dumb-bells
-
- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B21/00—Exercising apparatus for developing or strengthening the muscles or joints of the body by working against a counterforce, with or without measuring devices
- A63B21/06—User-manipulated weights
- A63B21/072—Dumb-bells, bar-bells or the like, e.g. weight discs having an integral peripheral handle
- A63B21/0724—Bar-bells; Hand bars
-
- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B21/00—Exercising apparatus for developing or strengthening the muscles or joints of the body by working against a counterforce, with or without measuring devices
- A63B21/06—User-manipulated weights
- A63B21/072—Dumb-bells, bar-bells or the like, e.g. weight discs having an integral peripheral handle
- A63B21/0726—Dumb bells, i.e. with a central bar to be held by a single hand, and with weights at the ends
Definitions
- the present invention relates to an exercise apparatus, and more particularly to an interchangeable exercise apparatus that the user can easily change the exercise apparatus from dumbbell to barbell and vice versa.
- dumbbell is one of the most common and economic devices used in exercising the arms.
- a dumbbell has round weights joined by a short bar, by which it is lifted or swung about in the hand for muscular exercise.
- This structure of dumbbell has a fixed total weight once it is made. Therefore, different scale of dumbbell shall be used for different volume of training.
- the floor of ground may be damaged by the round weights of the dumbbell easily.
- barbells In the field of weight lifting, similar to dumbbells, barbells comprise an elongated handle or bar that is loaded at either end with a plurality of weight plates. Assuming the weight plates are of the same weight relative to one another, the exercise weight provided by the dumbbell or barbell is adjusted by changing the number of weight plates installed on each end of the bar. The major difference between a dumbbell and barbell is the length of the bar that carries the weight plates.
- a dumbbell has a relatively short handle or bar that can be gripped by just one hand of the user.
- a barbell has a much longer bar that can be gripped by both hands of the user with the user's hands being spread apart along the length of the bar at approximately the width of the user's shoulders.
- dumbbells or barbells cannot be interchangeable, meaning easily transforming dumbbells into barbells and vice versa.
- the user wishes to develop muscles in different portions of the body, he/she may have to separately purchase barbells and dumbbells, which may cause some inconvenience. Therefore, there remains a need for a new and improved exercise apparatus that can easily transform barbells into dumbbells and vice versa to overcome the problems stated above.
- a dumbbell may include a handle, a pair of weighted units located at two opposite ends of the handle, and a securing unit to secure each weighted unit in a predetermined position on the handle.
- the two weighted portions can be identical and symmetrically disposed at the opposite ends of the handle. More specifically, the weighted portion has a through hole and the handle has an elongated threaded portion at two opposite ends, and the securing unit is configured to move along the threaded portion. The weighted portion is inserted into the handle from the threaded portion until one side of the weighted portion reaches a stopping edge on the handle, while the other side thereof is secured by the securing unit on the threaded portion.
- the user can hold the handle of the dumbbell to exercise on either one hand or two hands. It is noted that the weighted portion can be added on each side of the handle according to the user's training plans and preferences.
- dumbbells when the user purchases one type of exercise apparatus, such as dumbbells, it is difficult for the user to change the existing exercise apparatus to another type to exercise other portions of the body. Likewise, when the user purchases a traditional barbell, it is also difficult to alter it to a smaller exercise equipment such as dumbbells.
- dumbbells can turn into a barbell with a simple addition of an elongated connecting bar. More specifically, for each dumbbell, the user can first disengage the securing unit from one side of the threaded portion and the weighted portion can be taken out from the threaded portion of the handle.
- the connecting bar has two ends and each end has a threaded engaging hole to threadedly engage with the threaded portion of the dumbbell.
- the threaded portion can be inserted and threadedly engaged with the threaded engaging hole on each side of the connecting bar to form the barbell.
- the weighted portion can be added to each side of the barbell according to the user's training plans and preferences.
- FIG. 1 is a schematic view of an adjustable dumbbell in the present invention.
- FIG. 2 illustrates a schematic view of a user exercising with adjustable dumbbells in the present invention.
- FIG. 3 illustrates an exploded view of the adjustable dumbbell and a barbell in the present invention.
- FIG. 4 is a schematic view of an adjustable barbell in the present invention.
- FIG. 5 illustrates a schematic view of a user exercising with the adjustable barbell in the present invention.
- a dumbbell 100 may include a handle 110 , a pair of weighted units 112 located at two opposite ends of the handle 110 , and a securing unit 114 to secure each weighted unit 112 in a predetermined position on the handle 110 .
- the two weighted portions 112 can be identical and symmetrically disposed at the opposite ends of the handle 110 . More specifically, the weighted portion 112 has a through hole 1121 and the handle 110 has an elongated threaded portion 1101 at two opposite ends, and the securing unit 114 is configured to move along the threaded portion 1101 .
- the weighted portion 112 is inserted into the handle 110 from the threaded portion 1121 until one side of the weighted portion 112 reaches a stopping edge 1102 on the handle 110 , while the other side thereof is secured by the securing unit 114 on the threaded portion 1101 .
- the user can hold the handle 110 of the dumbbell 100 to exercise on either one hand or two hands. It is noted that the weighted portion 112 can be added on each side of the handle 110 according to the user's training plans and preferences.
- dumbbells when the user purchases one type of exercise apparatus, such as dumbbells, it is difficult for the user to change the existing exercise apparatus to another type to exercise other portions of the body. Likewise, when the user purchases a traditional barbell, it is also difficult to alter it to a smaller exercise equipment such as dumbbells.
- two dumbbells 100 can turn into a barbell 200 with a simple addition of an elongated connecting bar 120 . More specifically, for each dumbbell 100 , the user can first disengage the securing unit 114 from one side of the threaded portion 1101 and the weighted portion 112 can be taken out from the threaded portion 1101 of the handle 110 .
- the connecting bar 120 has two ends and each end has a threaded engaging hole 1201 to threadedly engage with the threaded portion 1101 of the dumbbell 100 .
- the threaded portion 1101 can be inserted and threadedly engaged with the threaded engaging hole 1201 on each side of the connecting bar 120 to form the barbell 200 .
- the weighted portion 112 can be added to each side of the barbell 200 according to the user's training plans and preferences.
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biophysics (AREA)
- Orthopedic Medicine & Surgery (AREA)
- General Health & Medical Sciences (AREA)
- Physical Education & Sports Medicine (AREA)
- Rehabilitation Tools (AREA)
Abstract
A physical exercise equipment set may include an elongated connecting bar having two ends and each end having a threaded engaging hole; a plurality of weighted portions; and two or more dumbbells. Each dumbbell has a handle having an elongated threaded portion at each of two opposite ends, a pair of weighted units located at two opposite ends of the handle, and a securing unit to secure each weighted unit in a predetermined position on the handle. For each of the two dumbbells, one of the weighted portions is taken out from one side of the handle, and the threaded portion is inserted into and threadedly engaged with each of the two threaded engaging holes of the connecting bar to form a barbell.
Description
- The present invention relates to an exercise apparatus, and more particularly to an interchangeable exercise apparatus that the user can easily change the exercise apparatus from dumbbell to barbell and vice versa.
- Several appliances for home or indoor gymnastics have been developed. Among various exercising appliances, dumbbell is one of the most common and economic devices used in exercising the arms. Conventionally, a dumbbell has round weights joined by a short bar, by which it is lifted or swung about in the hand for muscular exercise. This structure of dumbbell has a fixed total weight once it is made. Therefore, different scale of dumbbell shall be used for different volume of training. Furthermore, when a dumbbell drops to the floor or ground, the floor of ground may be damaged by the round weights of the dumbbell easily.
- In the field of weight lifting, similar to dumbbells, barbells comprise an elongated handle or bar that is loaded at either end with a plurality of weight plates. Assuming the weight plates are of the same weight relative to one another, the exercise weight provided by the dumbbell or barbell is adjusted by changing the number of weight plates installed on each end of the bar. The major difference between a dumbbell and barbell is the length of the bar that carries the weight plates. A dumbbell has a relatively short handle or bar that can be gripped by just one hand of the user. A barbell has a much longer bar that can be gripped by both hands of the user with the user's hands being spread apart along the length of the bar at approximately the width of the user's shoulders.
- However, conventional dumbbells or barbells cannot be interchangeable, meaning easily transforming dumbbells into barbells and vice versa. Thus, if the user wishes to develop muscles in different portions of the body, he/she may have to separately purchase barbells and dumbbells, which may cause some inconvenience. Therefore, there remains a need for a new and improved exercise apparatus that can easily transform barbells into dumbbells and vice versa to overcome the problems stated above.
- It is an object of the present invention to provide a physical exercise equipment set to enable the user to easily transform one exercise apparatus to another.
- It is another object of the present invention to provide an adjustable barbell and dumbbells so the user can add the weighted portions to the barbell and dumbbells according to the user's training plans and preferences.
- In one aspect, a dumbbell may include a handle, a pair of weighted units located at two opposite ends of the handle, and a securing unit to secure each weighted unit in a predetermined position on the handle. In one embodiment, the two weighted portions can be identical and symmetrically disposed at the opposite ends of the handle. More specifically, the weighted portion has a through hole and the handle has an elongated threaded portion at two opposite ends, and the securing unit is configured to move along the threaded portion. The weighted portion is inserted into the handle from the threaded portion until one side of the weighted portion reaches a stopping edge on the handle, while the other side thereof is secured by the securing unit on the threaded portion.
- Once the weighted portion is secured by the securing unit on each side of the handle, the user can hold the handle of the dumbbell to exercise on either one hand or two hands. It is noted that the weighted portion can be added on each side of the handle according to the user's training plans and preferences.
- As discussed above, when the user purchases one type of exercise apparatus, such as dumbbells, it is difficult for the user to change the existing exercise apparatus to another type to exercise other portions of the body. Likewise, when the user purchases a traditional barbell, it is also difficult to alter it to a smaller exercise equipment such as dumbbells.
- In another aspect, two dumbbells can turn into a barbell with a simple addition of an elongated connecting bar. More specifically, for each dumbbell, the user can first disengage the securing unit from one side of the threaded portion and the weighted portion can be taken out from the threaded portion of the handle. The connecting bar has two ends and each end has a threaded engaging hole to threadedly engage with the threaded portion of the dumbbell.
- After removing one weighted unit from each of the dumbbells, the threaded portion can be inserted and threadedly engaged with the threaded engaging hole on each side of the connecting bar to form the barbell. In one embodiment, the weighted portion can be added to each side of the barbell according to the user's training plans and preferences.
-
FIG. 1 is a schematic view of an adjustable dumbbell in the present invention. -
FIG. 2 illustrates a schematic view of a user exercising with adjustable dumbbells in the present invention. -
FIG. 3 illustrates an exploded view of the adjustable dumbbell and a barbell in the present invention. -
FIG. 4 is a schematic view of an adjustable barbell in the present invention. -
FIG. 5 illustrates a schematic view of a user exercising with the adjustable barbell in the present invention. - The detailed description set forth below is intended as a description of the presently exemplary device provided in accordance with aspects of the present invention and is not intended to represent the only forms in which the present invention may be prepared or utilized. It is to be understood, rather, that the same or equivalent functions and components may be accomplished by different embodiments that are also intended to be encompassed within the spirit and scope of the invention.
- Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood to one of ordinary skill in the art to which this invention belongs. Although any methods, devices and materials similar or equivalent to those described can be used in the practice or testing of the invention, the exemplary methods, devices and materials are now described.
- All publications mentioned are incorporated by reference for the purpose of describing and disclosing, for example, the designs and methodologies that are described in the publications that might be used in connection with the presently described invention. The publications listed or discussed above, below and throughout the text are provided solely for their disclosure prior to the filing date of the present application. Nothing herein is to be construed as an admission that the inventors are not entitled to antedate such disclosure by virtue of prior invention.
- As used in the description herein and throughout the claims that follow, the meaning of “a”, “an”, and “the” includes reference to the plural unless the context clearly dictates otherwise. Also, as used in the description herein and throughout the claims that follow, the terms “comprise or comprising”, “include or including”, “have or having”, “contain or containing” and the like are to be understood to be open-ended, i.e., to mean including but not limited to. As used in the description herein and throughout the claims that follow, the meaning of “in” includes “in” and “on” unless the context clearly dictates otherwise.
- It will be understood that, although the terms first, second, etc. may be used herein to describe various elements, these elements should not be limited by these terms. These terms are only used to distinguish one element from another. For example, a first element could be termed a second element, and, similarly, a second element could be termed a first element, without departing from the scope of the embodiments. As used herein, the term “and/or” includes any and all combinations of one or more of the associated listed items.
- In one aspect, as shown in
FIGS. 1 to 3 , adumbbell 100 may include ahandle 110, a pair ofweighted units 112 located at two opposite ends of thehandle 110, and asecuring unit 114 to secure eachweighted unit 112 in a predetermined position on thehandle 110. In one embodiment, the two weightedportions 112 can be identical and symmetrically disposed at the opposite ends of thehandle 110. More specifically, theweighted portion 112 has a throughhole 1121 and thehandle 110 has an elongated threadedportion 1101 at two opposite ends, and thesecuring unit 114 is configured to move along the threadedportion 1101. The weightedportion 112 is inserted into thehandle 110 from the threadedportion 1121 until one side of the weightedportion 112 reaches a stoppingedge 1102 on thehandle 110, while the other side thereof is secured by the securingunit 114 on the threadedportion 1101. - As shown in
FIG. 2 , once theweighted portion 112 is secured by the securingunit 114 on each side of thehandle 110, the user can hold thehandle 110 of thedumbbell 100 to exercise on either one hand or two hands. It is noted that the weightedportion 112 can be added on each side of thehandle 110 according to the user's training plans and preferences. - As discussed above, when the user purchases one type of exercise apparatus, such as dumbbells, it is difficult for the user to change the existing exercise apparatus to another type to exercise other portions of the body. Likewise, when the user purchases a traditional barbell, it is also difficult to alter it to a smaller exercise equipment such as dumbbells.
- In another aspect, as shown in
FIG. 3 , twodumbbells 100 can turn into abarbell 200 with a simple addition of an elongated connectingbar 120. More specifically, for eachdumbbell 100, the user can first disengage the securingunit 114 from one side of the threadedportion 1101 and the weightedportion 112 can be taken out from the threadedportion 1101 of thehandle 110. The connectingbar 120 has two ends and each end has a threadedengaging hole 1201 to threadedly engage with the threadedportion 1101 of thedumbbell 100. - As shown in
FIGS. 3 to 5 , after removing oneweighted unit 112 from each of thedumbbells 100, the threadedportion 1101 can be inserted and threadedly engaged with the threadedengaging hole 1201 on each side of the connectingbar 120 to form thebarbell 200. In one embodiment, as shown inFIG. 4 , theweighted portion 112 can be added to each side of thebarbell 200 according to the user's training plans and preferences. - Having described the invention by the description and illustrations above, it should be understood that these are exemplary of the invention and are not to be considered as limiting. Accordingly, the invention is not to be considered as limited by the foregoing description, but includes any equivalent.
Claims (5)
1. A physical exercise equipment set comprising an elongated connecting bar having two ends and each end having a threaded engaging hole; a plurality of weighted portions; and two or more dumbbells,
wherein each dumbbell has a handle having an elongated threaded portion at each of two opposite ends, a pair of weighted units located at two opposite ends of the handle, and a securing unit to secure each weighted unit in a predetermined position on the handle,
wherein for one of the dumbbells, one of the weighted portions is taken out from one side of the handle, and the threaded portion is inserted into and threadedly engaged with one of the threaded engaging holes of the connecting bar to form a barbell; for another dumbbell, one of the weighted portions is taken out from one side of the handle, and the threaded portion is inserted into and threadedly engaged with the other threaded engaging hole of the connecting bar to form a barbell.
2. The dumbbell of claim 1 , wherein the securing unit is configured to move along the threaded portion to secure the weighted portion on the handle.
3. The dumbbell of claim 1 , wherein the weighted portion has a through hole and is inserted into the handle from the threaded portion until one side of the weighted portion reaches a stopping edge on the handle, while the other side of the weighted portion is secured by the securing unit on the threaded portion.
4. The dumbbell of claim 1 , wherein the weighted portion can be added on each side of the handle according to the user's preferences.
5. The dumbbell of claim 1 , wherein when at least one of the threaded portion of handle is detached from the connecting bar of the barbell, and one weighted portion is added and secured to the detached threaded portion, the barbell can be transformed to at least one dumbbell.
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US17/009,549 US20220062683A1 (en) | 2020-09-01 | 2020-09-01 | Exercise apparatus |
US17/078,002 US20220062686A1 (en) | 2020-09-01 | 2020-10-22 | Exercise apparatus |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US17/009,549 US20220062683A1 (en) | 2020-09-01 | 2020-09-01 | Exercise apparatus |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US17/078,002 Continuation-In-Part US20220062686A1 (en) | 2020-09-01 | 2020-10-22 | Exercise apparatus |
Publications (1)
Publication Number | Publication Date |
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US20220062683A1 true US20220062683A1 (en) | 2022-03-03 |
Family
ID=80356652
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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US17/009,549 Abandoned US20220062683A1 (en) | 2020-09-01 | 2020-09-01 | Exercise apparatus |
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US (1) | US20220062683A1 (en) |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20210331022A1 (en) * | 2019-05-06 | 2021-10-28 | Hui Shao | Portable dumbbell |
US20220152445A1 (en) * | 2020-11-16 | 2022-05-19 | Shon L. Harker | Dumbbell |
USD952772S1 (en) * | 2021-04-22 | 2022-05-24 | Danni WANG | Adjustable dumbbell |
USD986356S1 (en) * | 2023-02-13 | 2023-05-16 | Ohfg Technologies(Shanghai) Co., Ltd | Adjustable barbell |
USD1017738S1 (en) * | 2023-06-15 | 2024-03-12 | Zhejiang Ruicheng Mechanical Power Co., Ltd. | Dumbbell |
USD1027077S1 (en) * | 2020-08-04 | 2024-05-14 | Jianguang Zhang | Exercise equipment |
Citations (11)
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---|---|---|---|---|
US5033740A (en) * | 1989-11-10 | 1991-07-23 | Leonard Schwartz | Apparatus for exercising that is used with a hand |
US6142918A (en) * | 1999-11-09 | 2000-11-07 | Liu; Ping | Barbell system |
US20030004040A1 (en) * | 2001-07-02 | 2003-01-02 | Sportsmed | Exercise apparatus |
US6939276B2 (en) * | 2001-07-27 | 2005-09-06 | W. Burnell Gates | Boyancy resistance exercise system |
US7364536B2 (en) * | 2004-11-12 | 2008-04-29 | Bell Foundry Company | Weight bar with internally-threaded axial ends |
US20090192027A1 (en) * | 2008-01-30 | 2009-07-30 | Larry Parker | Dumbbells with connections for a barbell |
US8047974B1 (en) * | 2010-08-03 | 2011-11-01 | Kanelos Stephen A | Exercise apparatus and methods of assembling and using the same |
US20140221174A1 (en) * | 2013-02-01 | 2014-08-07 | Chieh-Jeh Lin | Weight training device with tire weights |
US20160023038A1 (en) * | 2014-07-22 | 2016-01-28 | Lebert Fitness Incorporated | Exercise device with springs |
US9623276B1 (en) * | 2015-09-15 | 2017-04-18 | Jose Deras | Lightweight exercise bar |
US20180296873A1 (en) * | 2017-04-14 | 2018-10-18 | Avetik Amyan | Multipurpose portable gym equipment |
-
2020
- 2020-09-01 US US17/009,549 patent/US20220062683A1/en not_active Abandoned
Patent Citations (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5033740A (en) * | 1989-11-10 | 1991-07-23 | Leonard Schwartz | Apparatus for exercising that is used with a hand |
US6142918A (en) * | 1999-11-09 | 2000-11-07 | Liu; Ping | Barbell system |
US20030004040A1 (en) * | 2001-07-02 | 2003-01-02 | Sportsmed | Exercise apparatus |
US6939276B2 (en) * | 2001-07-27 | 2005-09-06 | W. Burnell Gates | Boyancy resistance exercise system |
US7364536B2 (en) * | 2004-11-12 | 2008-04-29 | Bell Foundry Company | Weight bar with internally-threaded axial ends |
US20090192027A1 (en) * | 2008-01-30 | 2009-07-30 | Larry Parker | Dumbbells with connections for a barbell |
US8047974B1 (en) * | 2010-08-03 | 2011-11-01 | Kanelos Stephen A | Exercise apparatus and methods of assembling and using the same |
US20140221174A1 (en) * | 2013-02-01 | 2014-08-07 | Chieh-Jeh Lin | Weight training device with tire weights |
US20160023038A1 (en) * | 2014-07-22 | 2016-01-28 | Lebert Fitness Incorporated | Exercise device with springs |
US9623276B1 (en) * | 2015-09-15 | 2017-04-18 | Jose Deras | Lightweight exercise bar |
US20180296873A1 (en) * | 2017-04-14 | 2018-10-18 | Avetik Amyan | Multipurpose portable gym equipment |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20210331022A1 (en) * | 2019-05-06 | 2021-10-28 | Hui Shao | Portable dumbbell |
US11878198B2 (en) * | 2019-05-06 | 2024-01-23 | Hui Shao | Portable dumbbell |
USD1027077S1 (en) * | 2020-08-04 | 2024-05-14 | Jianguang Zhang | Exercise equipment |
US20220152445A1 (en) * | 2020-11-16 | 2022-05-19 | Shon L. Harker | Dumbbell |
USD952772S1 (en) * | 2021-04-22 | 2022-05-24 | Danni WANG | Adjustable dumbbell |
USD986356S1 (en) * | 2023-02-13 | 2023-05-16 | Ohfg Technologies(Shanghai) Co., Ltd | Adjustable barbell |
USD1017738S1 (en) * | 2023-06-15 | 2024-03-12 | Zhejiang Ruicheng Mechanical Power Co., Ltd. | Dumbbell |
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