Exercise devices – Involving user translation or physical simulation thereof – Stair climbing
Patent
1991-07-26
1993-02-02
Crow, Stephen R.
Exercise devices
Involving user translation or physical simulation thereof
Stair climbing
482139, 482 92, A63B 2204
Patent
active
051834480
ABSTRACT:
A foot training machine having two pedal assemblies the topmost edge of each of which being constantly maintained at the horizontal position for smooth stepping. The pedal of each pedal assembly has two opposite ends pivoted to two rocker arms which are equal in length. The two opposite ends of the two rocker arms are respectively pivoted to two shaft tubes spaced on the base of the machine. The two rocker arms are freely rotated on the two shaft tubes permitting the pedal to be constantly maintained at the horizontal position while stepping.
REFERENCES:
patent: 4708338 (1987-11-01), Potts
patent: 4720093 (1988-01-01), Delmar
patent: 4846458 (1989-07-01), Potts
patent: 4949993 (1990-08-01), Stark
patent: 4989858 (1991-02-01), Young
patent: 5033733 (1991-07-01), Findlay
patent: 5040786 (1991-08-01), Jou
Crow Stephen R.
Donnelly Jerome
Greenmaster Industrial Corp.
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