Exercise devices – Involving user translation or physical simulation thereof – Stair climbing
Reexamination Certificate
2006-04-11
2006-04-11
Crow, Stephen R. (Department: 3764)
Exercise devices
Involving user translation or physical simulation thereof
Stair climbing
C482S057000
Reexamination Certificate
active
07025711
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 is guided by a guide link for back and forth movement while the other end is guided by an orbital 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.
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