Therapeutic exercise device

Details Therapeutic exercise device Therapeutic exercise device

1985-04-12

1986-10-21

Apley, Richard J.

Undertaking

A63B 2304

Patent

active

046181415

ABSTRACT:
A therapeutic exercise device mounted on a floor base having a bicycle type seat, hand cranks and foot pedals.
The foot pedals turn a lower rotatable shaft equipped with a pair of identical sprockets.
Each hand crank turns a rotatably interconnected portion of a split upper shaft, each of said split shaft portions equipped with a sprocket. The sprocket on one split shaft portion is slightly larger than a lower shaft sprocket, and the sprocket on the other split shaft portion is slightly smaller than a lower shaft sprocket. A pair of drive chains interconnect the upper and lower sprockets.

REFERENCES:
patent: 3017180 (1962-01-01), Aronsohn
patent: 3213852 (1965-10-01), Zent
patent: 3759512 (1973-09-01), Yount et al.
patent: 3833216 (1974-09-01), Philbin
patent: 3966201 (1976-06-01), Mester
patent: 4475872 (1984-10-01), Foughty

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