Exercise devices – Involving user translation or physical simulation thereof – Stair climbing
Reexamination Certificate
2006-02-07
2006-02-07
Crow, Stephen R. (Department: 3764)
Exercise devices
Involving user translation or physical simulation thereof
Stair climbing
C482S051000, C482S057000
Reexamination Certificate
active
06994657
ABSTRACT:
The present invention relates to a standup exercise apparatus that simulates walking, jogging and climbing with arm exercise. More particularly, the present invention relates to an exercise machine having separately supported pedals for the feet and arm exercise coordinated with the motion of the feet. Elliptical cross trainers guide the feet along a generally elliptical shaped curve to simulate the motions of jogging and climbing. Existing elliptical cross trainers often use excessive pedal articulation which can overwork the ankle to achieve a longer stride. The present invention is an improved elliptical exercise machine capable of extended exercise with less pedal articulation that is more ankle friendly. One end of a foot support member has a pedal which follows elliptical motion while the other end is guided by a non-aligned drive link to drive an alternator and flywheel. The resulting pedal motion is foot friendly. Handles are coordinated with the foot support members for arm exercise. Adjustment is provided for the elliptical path.
REFERENCES:
patent: 5788610 (1998-08-01), Eschenbach
patent: 5957814 (1999-09-01), Eschenbach
patent: 5997445 (1999-12-01), Maresh et al.
patent: 6077198 (2000-06-01), Eschenbach
patent: 6168552 (2001-01-01), Eschenbach
patent: 6436007 (2002-08-01), Eschenbach
patent: 6440042 (2002-08-01), Eschenbach
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