Exercise device

Details Exercise device Exercise device

1998-10-15

2000-07-11

Apley, Richard J.

Exercise devices

Sit up device

482 72, 482 96, A63B 2600

Patent

active

060865210

ABSTRACT:
An exercise device is provided, which is of simple and inexpensive construction, compact, lightweight, and portable, and allows the user to use his or her own weight to create a form of resistance in performing a variety of exercise routines directed to different muscle groups of the body. The exercise device is comprised of a support platform that carries the user and is pivotally connected to an upper location of a base frame that rests on a flat surface, a lifting bar that is pivotally attached to the base frame, a carrier bar that is adjustably attached to the lifting bar and is also pivotally attached to a lower location of the support platform, wherein upon raising of the lifting bar, the carrier bar is raised, which in turn causes the support platform carrying the user thereon to pivot about its connection to the base frame and be raised. In this manner, the exercise device utilizes the weight of the user as a counterweight resistance to the raising of the lifting arm.

REFERENCES:
patent: 3904196 (1975-09-01), Berlin
patent: 4452448 (1984-06-01), Ausherman
patent: 5346447 (1994-09-01), Stearns
patent: 5370594 (1994-12-01), Grinblat
patent: 5569130 (1996-10-01), Wang et al.
patent: 5575741 (1996-11-01), Fan
patent: 5795271 (1998-08-01), Pearson

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