Chest expander

An arm force device and elastic force technology, which is applied in the field of arm force devices that can adjust the force, and can solve the problem that the user cannot adjust the strength and the like.

Inactive Publication Date: 2020-12-01
安泰振
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] However, the existing arm strength devices have the following disadvantages: users cannot adjust the strength according to their own muscle strength, and different arm strength devices need to be used according to the strength

Method used

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  • Chest expander
  • Chest expander
  • Chest expander

Examples

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Embodiment Construction

[0048] The present invention can be modified in various ways and can have various forms, and the embodiments will be described in detail in this specification. However, it should be understood that the present invention is not limited to a specific disclosed form, and that any changes, equivalents, and substitutes included in the idea and technical scope of the present invention belong to the present invention. In describing the respective drawings, similar reference numerals are used for similar constituent elements.

[0049] The terms are only used to distinguish one constituent element from another constituent element. The terms used in the present application are only used to describe specific embodiments, and are not intended to limit the present invention. A singular expression includes a plural expression unless the context clearly gives otherwise.

[0050] Embodiments of the present invention will be described in detail below with reference to the accompanying drawin...

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PUM

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Abstract

The present invention relates to a chest expander, wherein the chest expander includes a pair of operating arms that are connected by a rotating shaft to approach or be spaced apart from each other, aplurality of elastic force adjusting holes formed as through holes in a longitudinal direction of the operating arm, elastic members that are disposed between the operating arms to cross and configured to provide an elastic force in a direction in which the operating arms are spaced apart from each other when the operating arms approach each other, and elastic force adjusting parts that allow oneend portions of the elastic members to move along the elastic force adjusting holes and to be fixed so that lengths of the elastic members between the operating arms are changed so as to adjust strength levels of the elastic forces of the elastic members.

Description

technical field [0001] The present invention relates to an arm strength device, and in more detail, relates to an arm strength device capable of adjusting force. Background technique [0002] Generally speaking, as an exercise device for exercising the muscle strength of arms, shoulders, etc., an arm strength machine includes a head with a spring and a pair of working arms connected with the spring to work together. [0003] When using the arm strength machine, after the user holds the left and right working arms with both hands, the movement is realized by repeating the following actions: applying force, making the working arms on both sides approach each other and imparting muscle strength to the arms, shoulders, etc.; and No force is applied to return the working arm to its original disengaged position, thereby relieving muscle tension in the arms, shoulders, etc. [0004] However, the existing arm strength devices have the following disadvantages: users cannot adjust th...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A63B21/008A63B21/05A63B23/12A63B23/02
CPCA63B21/0085A63B21/05A63B21/00069A63B23/12A63B2208/12A63B2209/08A63B2225/09A63B21/00043A63B21/0087A63B21/4035A63B23/1209A63B21/045A63B21/0602A63B23/02
Inventor 安泰振
Owner 安泰振
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