Exercise device

Details Exercise device Exercise device

1977-01-12

1981-11-17

Pinkham, Richard C.

Undertaking

A63B 2100

Patent

active

043007600

ABSTRACT:
An exercise device having a seat assembly that includes a seat, and a seat frame extending forwardly of the seat and connected to a frame assembly, and a seat-support arm pivotally mounted to the seat frame, the arm having attached at its lower end a follower that is movably engageable with a subjacent surface. A linkage is pivotally connected to a leg-actuated member pivotally connected to an upper front frame portion, and is pivotally connected to the seat-support arm. An arm-actuated member is pivotally connected to the linkage between the pivotal connections of the linkage with the leg-actuated member and the seat-support arm, and is pivotally related with the upper front frame portion. The arm-actuated member and the leg-actuated member are pulled and pushed respectively by the arms and legs of a user sitting on the seat to pivot the seat-support arm and to move the seat-support follower forwardly on the subjacent surface, and thereby raise the seat against the weight of the user, the user's weight tending to move the seat-support follower rearwardly on the subjacent surface and thereby lower the seat.

REFERENCES:
patent: 2642288 (1953-06-01), Bell
patent: 2924456 (1960-02-01), Miller

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