Exerciser having a resistance adjustment mechanism

Details Exerciser having a resistance adjustment mechanism Exerciser having a resistance adjustment mechanism

1992-01-15

1992-08-18

Crow, Stephen R.

Exercise devices

Involving user translation or physical simulation thereof

Stair climbing

482113, A63B 2204, A63B 71008

Patent

active

051394707

ABSTRACT:
An exerciser including a pair of treadles pivotally coupled to the frame body of the exerciser, a column fixed to the front end of each of the treadles and extended downwards, a pair of hydraulic cylinders having one end pivotally coupled to the frame body and having a piston rod coupled to the lower ends of the columns, and a valve coupled between the hydraulic cylinders so as to control the flowing of the hydraulic oil between the hydraulic cylinders so that the resistance of the hydraulic cylinders applied to the treadles can be adjusted.

REFERENCES:
patent: 4496147 (1985-01-01), DeCloux et al.
patent: 4681316 (1987-07-01), DeCloux
patent: 5004224 (1991-04-01), Wang

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