Exercise methods and apparatus with an adjustable crank

Details Exercise methods and apparatus with an adjustable crank Exercise methods and apparatus with an adjustable crank

1998-04-22

2000-02-22

Crow, Stephen R.

Exercise devices

Involving user translation or physical simulation thereof

Stair climbing

482 51, 482 57, A63B 6916, A63B 2204

Patent

active

06027431&

ABSTRACT:
An exercise apparatus has a linkage assembly which links rotation of an adjustable length crank to generally elliptical movement of a force receiving member. The linkage assembly includes a first link having a rearward end which is rotatably connected to the crank, and a forward end which is rotatably connected to a lower end of a suspended link. An upper portion of the suspended link is rotatably connected to the exercise apparatus frame.

REFERENCES:
patent: 5562574 (1996-10-01), Miller
patent: 5577985 (1996-11-01), Miller
patent: 5611756 (1997-03-01), Miller
patent: 5692994 (1997-12-01), Eschenbach
patent: 5743834 (1998-04-01), Rodgers
patent: 5759136 (1998-06-01), Chen

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