Twister

Details Twister Twister

1996-07-02

1997-05-27

Crow, Stephen R.

Exercise devices

Support for entire body of user

Swivelled foot platform

482146, A63B 2214

Patent

active

056327110

ABSTRACT:
An improved twister includes a base frame, a rocker, a hydraulic cylinder, a link and a rotatable disk. The base frame is provided with a pivot seat and two upright bars, the pivot seat being pivotally mounted on the rotatable disk and the upright bars being pivotally connected to the rocker. The rocker is connected to a grip link at a top end and two substantially C-shaped frame at a bottom side. The hydraulic cylinder is pivotally mounted on the base frame and has a shaft with a pivot head pivotally connected to one of the C-shaped frames. The link has one end pivotally connected to the other of the C-shaped frames and the other end coupled to a pivot shaft of the rotatable disk. To operate, the user stands on the rotatable disk with both hands holding the grip link and pulling the rocker so as to cause the link to rotate the rotatable disk. Working in conjunction with the hydraulic cylinder which provides a damping force, the twister permits the user to exercise various parts of the body.

REFERENCES:
patent: 4313603 (1982-02-01), Simjian
patent: 4391441 (1983-07-01), Simjian
patent: 4638996 (1987-01-01), Simjian
patent: 5545111 (1996-08-01), Wang et al.

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