Sit-up board

A technology of guide plate and insertion hole, which is applied to sports accessories, drinking vessels, gymnastics equipment, etc., and can solve the problems of not being able to exercise abdominal divisions, arms, feet, etc.

Inactive Publication Date: 2007-08-08
南大坤
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the disadvantage of the traditional sit-up board is that it cannot exercise the abdominal divisions, arms, feet, etc. in addition to exercising the upper abdomen.

Method used

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Examples

Experimental program
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Embodiment Construction

[0036] Preferred embodiments of the present invention will be described below with reference to the accompanying drawings.

[0037] 2 is a perspective view of a sit-up board according to a first embodiment of the present invention, FIG. 3 is a perspective view of the sit-up board of FIG. 2 when unfolded, and FIG. 4 is a perspective view of the sit-up board of FIG. picture.

[0038] As shown in the figure, the sit-up board 100 of the present invention includes a first board 110 , a second board 120 and a cable 160 . The first board 110 has a shape of a rectangular board, and the user's torso lies on the first board 110 . The second board 120 is coupled to the first board 110 via the hinge unit 130 to be rotated downward, and the lower part of the body is placed on the second board 120 . Also, the cable 160 passes through an end portion of each of the first and second plates 110 and 120 and supports the first and second plates 110 and 120 at a predetermined angle.

[0039] A ...

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PUM

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Abstract

Disclosed herein is a sit-up board. The sit-up board includes a first board (110), a second board (120), and a guy cable (160). At least one tension spring is provided on a lower surface of the first board. At least one extension cable, which is coupled to an end of the tension spring and extends the tension spring, is drawn to the upper surface of the first board along a plurality of guide units provided on the lower surface of the first board. The second board is coupled to the first board via a hinge unit in such a way as to rotate downwards, with a foot support being detachably mounted to the second board. The guy cable passes through ends of the first and second boards, and supports the first and second boards at a predetermined angle. This invention facilitates a wide variety of exercises.

Description

technical field [0001] In general, the present invention relates to a sit-up board, and more particularly, to a sit-up board that facilitates various movements and has a simple structure. Background technique [0002] Modern people who sit for long periods of time and do not exercise are more likely to suffer from herniated discs or abdominal obesity. To solve this problem, various exercise machines have been developed to treat the spine or strengthen the abdominal muscles. [0003] Inversion machines and sit-up boards are representative exercise equipment for treating the spine or strengthening the abdominal muscles. [0004] The handstand machine is used to hold the user's ankles and allow the user to do a handstand. Inversion machines help heal the spine and improve blood circulation. The problem with an inversion machine, however, is that it doesn't work other body parts. Moreover, due to the bulky size of the handstand machine, it is difficult to store and move. Fu...

Claims

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Application Information

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IPC IPC(8): A63B23/02
CPCA47G19/2205B65D85/8043
Inventor 南大坤
Owner 南大坤
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