Portable exercise apparatus

Details Portable exercise apparatus Portable exercise apparatus

1989-03-30

1990-08-07

Bahr, Robert W.

Undertaking

272 70, 272 96, 272900, A63B 21008

Patent

active

049461621

ABSTRACT:
Compact and portable exercise apparatus is disclosed. A frame assembly having a wedge type of shape comprising aluminum structural members has mounted thereto a pair of hydraulic cylinders which are interconnected by a hydraulic flow line containing an adjustable needle valve. The other end of the hydraulic cylinders is connected to a foot pedal which allows the force of a person's downward push of his legs to act upon the resistance provided within the hydraulic circuitry and which automatically causes the opposite foot pedal travel upward. The exercise apparatus is intended to primarily be used in conjunction with a person sitting in an ordinary chair.

REFERENCES:
patent: 3421760 (1969-01-01), Freeman, Jr.
patent: 3749400 (1973-07-01), Stoffell
patent: 3970302 (1976-07-01), McFee
patent: 4262902 (1981-04-01), Dranselka
patent: 4364559 (1982-12-01), Valentine
patent: 4422635 (1983-12-01), Herod
patent: 4496147 (1985-01-01), DeCloux et al.
patent: 4561649 (1985-12-01), Forsythe
patent: 4563001 (1986-01-01), Teraudes
patent: 4676501 (1987-06-01), Hoagland et al.
patent: 4685669 (1987-08-01), DeCloux

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