Exercise devices – Involving user translation or physical simulation thereof – Stair climbing
Patent
1993-11-15
1994-09-20
Crow, Stephen R.
Exercise devices
Involving user translation or physical simulation thereof
Stair climbing
482123, A63B 2204
Patent
active
053485203
ABSTRACT:
An improved exercise stepper has a base, a pair of treadle pedals pivotably connected by the front ends thereof to each side of the supporting portion at the front end of the base, a lever device longitudinally swingably mounted in the base and a pair of oil pressure cylinders extensibly and swingably located between the front portion of the base and the bottoms of the pair of treadle pedals. The pair of treadle pedals are provided in the interior thereof each with an extensible type flexible rope pulling device formed by the free end extending to the outside on the front part of the treadle pedal and the other part being supported by a set of pulley wheels.
REFERENCES:
patent: 3428312 (1969-02-01), Machen
patent: 4863163 (1989-09-01), Wehrell
patent: 5112287 (1992-05-01), Brewer
patent: 5178591 (1993-01-01), Lyons
patent: 5199934 (1993-04-01), Lin
patent: 5230676 (1993-07-01), Terauds
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