Exercise bicycles

Details Exercise bicycles Exercise bicycles

1979-06-28

1981-03-24

Pinkham, Richard C.

Undertaking

272132, A63F 2302

Patent

active

042575885

ABSTRACT:
A dual-crank type upper body and arm exerciser attachment readily attachable to existing exerciser bicycles, and in which the drag brake for the arm exerciser comprises an incompressible sleeve of rubber or elastomeric material pressed against the crank arm shaft.

REFERENCES:
patent: 3259385 (1966-07-01), Boren
patent: 3601395 (1971-08-01), Morgan
patent: 3649008 (1972-03-01), Zinken et al.
patent: 3848870 (1974-11-01), Craig

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