Apparatus for exercise and physical therapy

Details Apparatus for exercise and physical therapy Apparatus for exercise and physical therapy

1988-07-21

1990-04-10

Apley, Richard J.

Undertaking

272130, 272136, A63B 2100

Patent

active

049153790

ABSTRACT:
The disclosed apparatus provides a base supporting at one end an upstanding mast pivotally mounting a boom in the upper portion of the mast to extend over the base. A bench to support a user is supported by the base spacedly thereabove and below the boom. A handle assembly is pivotally carried by the boom end extending over the base to depend spacedly above the base. A hydraulic cylinder communicates between the boom and the base to resist pivotal motion of the boom responsive to exercise motion of the handle assembly by a user supported on the bench. A resistance assembly provides spaced grips carried by a pull shaft for longitudinal motion toward and away from the bench end distal from the mast. The pull shaft end proximate the mast communicates by cable supported on pulleys to the boom end distal from the handle assembly so that the boom resists motion of the resistance assembly grips responsive to exercise motion thereof by a user supported on the bench. A self-contained electrically powered hydraulic system operates the hydraulic cylinder and provides an adjustment mechanism to determine resistive force of the boom and switch structure to determine operation of the system.

REFERENCES:
patent: 3822599 (1974-07-01), Brentham
patent: 4211403 (1980-07-01), Coffaro et al.
patent: 4257593 (1981-03-01), Keiser
patent: 4606541 (1986-08-01), Kirkpatrick
patent: 4645205 (1987-02-01), Wolff
patent: 4763897 (1988-08-01), Yakata
patent: 4786051 (1989-11-01), Mullican

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