Elliptical exercise methods and apparatus with adjustable crank

Details Elliptical exercise methods and apparatus with adjustable crank Elliptical exercise methods and apparatus with adjustable crank

2008-07-29

2008-07-29

Crow, Steve R (Department: 3764)

Exercise devices

Involving user translation or physical simulation thereof

Stair climbing

C482S057000

Reexamination Certificate

active

11476989

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.

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patent: 6120417 (2000-09-01), Johnston
patent: 6338698 (2002-01-01), Stearns et al.
patent: 6802798 (2004-10-01), Zeng
patent: 7214167 (2007-05-01), Stearns et al.

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