Exercise devices – Involving user translation or physical simulation thereof – Bicycling
Patent
1999-01-12
1999-11-30
Crow, Stephen R.
Exercise devices
Involving user translation or physical simulation thereof
Bicycling
482 51, A63B 6916, A63B 2204
Patent
active
059933593
ABSTRACT:
A standup cross trainer exercise apparatus simulates walking and jogging having separately supported pedals for the feet and arm exercise coordinated with the motion of the feet. Foot pedals move with a back and forth movement following an elongate curve path that has adjustable curve length during operation. The stride length of the foot pedals is adjustable to accommodate both long and short leg users. Foot pedals move with smooth elliptical motion resulting from a linkage mechanism having smooth orbital motion without the characteristic turnaround jerk associated with reciprocating member elliptical drives. Leg joint impact is controlled to be very low as to allow extended exercise without joint soreness. Arm exercise is coordinated with motion of the feet and adjusts with longer or shorter pedal strides to accommodate taller or shorter user.
REFERENCES:
patent: 5529555 (1996-06-01), Rodgers
patent: 5637058 (1997-06-01), Rodgers
patent: 5762588 (1998-06-01), Chen
patent: 5779599 (1998-07-01), Chen
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