Muscle developing exercise device

Details Muscle developing exercise device Muscle developing exercise device

1981-03-19

1984-01-17

Pinkham, Richard C.

Undertaking

272130, 272136, 272141, A63B 2104, A63B 2108

Patent

active

044260776

ABSTRACT:
An elongated lever arm has one of its end portions pivotally connected to an upright of a box frame and extends generally horizontally inward into the frame opening. A cable guided by one or more pulleys or rollers is connected to the other end portion of the lever arm and is pulled manually by a user to swing the lever arm. A force-applying or resistance element is connected between the base of the frame and any one of several points along the length of the lever arm between its pivot and the cable. The point of connection of the resistance element to the lever arm can be changed to adjust its effective force resisting swinging of the lever arm. A mechanical stop mechanism is provided to maintain the lever arm horizontal and to counteract the force of the resistance element so that the force adjustment can be made quickly and easily.

REFERENCES:
patent: 3638941 (1972-02-01), Kulkens
patent: 4129297 (1978-12-01), Dolan

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