Exercising device

Details Exercising device Exercising device

1982-05-12

1984-01-03

Hafer, Robert A.

Undertaking

A63B 2122

Patent

active

044238630

ABSTRACT:
A stationary bicycle characterized by a hand operated cranking mechanism for rotating the front wheel and a pedal operated cranking mechanism for rotating the rear wheel. Bearing against each wheel is a pressure roller whereby the drag on each wheel can be incrementally adjusted to suit the desire of the user, thereby assuring proper exercise of the leg and arm muscles.

REFERENCES:
patent: 330430 (1885-11-01), Seiler
patent: 3309084 (1967-03-01), Simmons
patent: 3572699 (1971-03-01), Nies
Model TR 750J by AMF Whitley, 29 Essex Street, Maywood, New Jersey 07607, Physical Fitness Products for 1980.

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