Single column exercising apparatus

Details Single column exercising apparatus Single column exercising apparatus

1979-06-22

1982-03-02

Pinkham, Richard C.

Undertaking

272143, A63B 2106

Patent

active

043175660

ABSTRACT:
A progressive resistance exercising machine having a single, substantially vertical guide column adapted to guide a vertically reciprocative carriage provided with a laterally outwardly extending lifting arm engageable by the trainee. The design of the highly compact machine is unique in that the guide column, as well as a weight selector bar which is connected to the carriage, extends through centrally disposed apertures formed in a plurality of weights positioned substantially directly below the carriage. When the selector bar is selectively interconnected with one or more weights in the weight stack, a lifting force exerted on the lifting arm will cause the carriage and the selector bar to move upwardly against the urging of the weights. As the carriage moves upwardly, the central guide column accomplishes the dual function of uniquely guiding the travel of the carriage as well as constraining the path of travel of the weights thereby eliminating the need for a separate guide for guiding the weights and the carriage.

REFERENCES:
patent: 3840227 (1974-10-01), Chesemore
patent: 3912263 (1975-10-01), Yatso
patent: 3971555 (1976-07-01), Mahnke
patent: 4010947 (1977-03-01), Lambert

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