Pneumatic exercise device

Details Pneumatic exercise device Pneumatic exercise device

1988-06-28

1989-11-14

Apley, Richard J.

Undertaking

A63B 2100

Patent

active

048802301

ABSTRACT:
A closed system pneumatic exerciser which includes a double acting pneumatic cylinder in which an external line pneumatically connects chambers formed within the pneumatic cylinder on either side of an enclosed piston. The exerciser is portable and includes structure for removably mounting the cylinder to a wall, for example. A handle or other exerciser engaging device is attached to a shaft connected to the piston to enable a user to push and pull the piston against air pressure developed in a corresponding chamber. Two adjustable valves are mounted in the external line, each of which valves restrict the rate of flow of air in the external line in one direction but does not restrict air flow in the opposite direction. The two valves are positioned back-to-back so that air flow in the external line may be restricted in each direction. A pressure gauge is positioned intermediate these two valves to indicate the pressure in the external line.

REFERENCES:
patent: 3942790 (1976-03-01), Rice
patent: 4063726 (1977-12-01), Wilson
patent: 4149713 (1979-04-01), McLeod
patent: 4226415 (1980-10-01), Wright
patent: 4452447 (1980-06-01), Lepley et al.
patent: 4550908 (1985-11-01), Dixon
patent: 4667955 (1987-05-01), Giesch

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