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Abdominal and back exerciser

A training machine, abdominal and back technology, applied in sports accessories, elastic resistance devices, gymnastics equipment and other directions, can solve problems such as increasing the exercise load of waist and abdomen.

Inactive Publication Date: 2011-08-17
CYCLING & HEALTH TECH IND R & D CENT
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The movement mode provided in this case is to make the upper body tilt backward or return in a slightly curved state. However, the seat part of this case is fixed. When the back support produces a large backward turning angle, Will increase the waist and abdomen exercise load

Method used

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  • Abdominal and back exerciser
  • Abdominal and back exerciser
  • Abdominal and back exerciser

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0017] Such as Figure 1 to Figure 4 , the abdominal and back training machine of the present invention comprises:

[0018] a base 10;

[0019] A multi-degree-of-freedom motion mechanism 20 built on the base 10, the multi-degree-of-freedom motion mechanism 20 mainly includes a seat frame 21, a front swing rod 22, a pair of rear swing rods 23, and a backrest link Group 30. A first end of the front swinging rod 22 is connected to the base 10 through a rotating joint 221 , and a second end thereof is connected to the front edge of the seat frame 21 through a rotating joint 222 . A first end of the rear swing link 23 is connected to the base 10 through a rotating joint 231 , and a second end thereof is connected to the backrest linkage 30 through a rotating joint 232 . The backrest link assembly 30 is connected to the rear edge of the seat frame 21 through a rotary joint 301 . A seat 211 is fixedly connected to the seat frame 21 .

[0020] A backrest 40 , the backrest 40 is m...

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Abstract

The invention relates to an abdominal and back exerciser. A multiple-degree-of-freedom motion mechanism which is arranged on a base is connected with a seat and a seat back. An user can sit on the seat, the back leans against the seat back to form a sitting gesture, the seat back tilts backwards by the force of the upper half body tilting backwards, the multiple-degree-of-freedom motion mechanismgenerates a multi-link motion, the seat generates sequential actions of upward lifting, forward tilting and forward moving, the user forms a supine extension gesture, and then the abdominal muscle, back muscle and spine can do extension motion.

Description

technical field [0001] The present invention relates to sports equipment, more specifically, it is a sports equipment that can stretch abdominal muscles, back muscles and spine. Background technique [0002] Regarding the prior art of training abdominal and dorsal muscle groups, such as U.S. Patent 6,231,489 case. The case has an arched structure along which a plurality of rollers are arranged. The user can lean back the upper body along the arch structure, and put the back against the rollers, so that the abdominal muscles, back muscles and spine can be stretched. This case is a static assistive device, on which the user can perform trunk flexion and extension movements, but all flexion and extension movements must be completed by the user, and the assistive device cannot provide assistance during exercise. [0003] China TW New Patent Case No. M282703, this case has a flexible and extensible motion structure, which is composed of a frame, a seat, a chair back, a handle, ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A63B21/02A63B23/02A61H15/00
Inventor 陈淳和庄佳勋徐正会
Owner CYCLING & HEALTH TECH IND R & D CENT
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