Pneumatic exercising device

Details Pneumatic exercising device Pneumatic exercising device

1981-06-26

1983-08-09

Johnson, Richard J.

Undertaking

272134, A63B 2100

Patent

active

043974627

ABSTRACT:
A pneumatic exercising device uses a lever arm operated by the exerciser which works against a pneumatic cylinder. The pneumatic cylinder is connected to a much larger reservoir, the pressure in which can be adjusted as desired by means of an auxiliary pump. The reservoir is contained in one of the support members for the exercise device. A preferred embodiment is a bench press wherein the height of the lever arm above the bench is adjustable by setting the height of the lever arm fulcrum on a vertical support therefor, which vertical support is hollow and contains the air reservoir, the pneumatic cylinder being connected thereto by a length of flexible hose. The air reservoir is preferably sized so that the pressure remains essentially constant as does the force offered by the lever arm.

REFERENCES:
patent: 3128094 (1964-04-01), Wolf
patent: 3369403 (1968-02-01), Carlin
patent: 3387843 (1968-06-01), Chandler
patent: 3451271 (1969-06-01), Knoblauch
patent: 3861677 (1975-01-01), Wheeldon
patent: 3984102 (1976-10-01), Evans
patent: 4184675 (1980-01-01), Rogerson
patent: 4241913 (1980-12-01), Zwayer
patent: 4257593 (1981-03-01), Keiser
patent: 4275882 (1981-06-01), Grosser

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