Exercise devices – Involving user translation or physical simulation thereof – Stair climbing
Patent
1999-08-09
2000-07-18
Crow, Stephen R.
Exercise devices
Involving user translation or physical simulation thereof
Stair climbing
482 70, A63B 2100, A63B 2212
Patent
active
060900148
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.
Cross trainers guide the feet along a generally elliptical shaped curve to simulate the motions of jogging and climbing. Existing machines often produce user problems such as excessive foot articulation. The present invention is an improved elliptical exercise machine capable of extended exercise with fewer user problems. Further, the cross trainer is adjustable to vary the motion of the elliptical stride from walking to climbing.
A foot support member is guided by a guide linkage on one end and driven by a crank linkage on the other end. The resulting pedal motion has less severe pedal angles than a simple crank cross trainer. Handles are coupled to the guide linkage for coordinated arm exercise that adjusts with pedal adjustment.
REFERENCES:
patent: 5242343 (1993-09-01), Miller
patent: 5685804 (1997-11-01), Whan-tong et al.
patent: 5788610 (1998-08-01), Eschenbach
patent: 5857941 (1999-01-01), Maresh et al.
patent: 5893820 (1999-04-01), Maresh et al.
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