Accessory for exercising on a bicycle

Details Accessory for exercising on a bicycle Accessory for exercising on a bicycle

1978-10-06

1981-04-21

Pinkham, Richard C.

Undertaking

272DIG4, 211 22, 280293, A63B 6916

Patent

active

042628997

ABSTRACT:
A tubular frame, upon which a rear end of a bicycle is supported in elevated position, so that the rear wheel does not engage the ground, but engages a friction wheel, that retards the free rotational movement of the rear drive wheel, so that a rider upon the bicycle must apply physical effort during a pedaling operation; the frame including two vertical plates, between which a cylindrical fastener is supported, and to which the rear wheel of the bicycle is attached, and the device additionally including a horizontal bar carrying the friction wheel, the bar being adjustable in position, for changing the friction force against the bicycle wheel where adjustable locking of the bar comprises a forward clamp member having a tooth on the underside thereof selectively engaging between ratchet teeth upon the upper side of the bar with the bar being downwardly movable against a compression coil spring mounted on the frame so as to selectively disengage the teeth and a block mounted on the upper side of the bar for being pushed by the exerciser's foot either forwardly or rearwardly.

REFERENCES:
patent: 553373 (1896-01-01), Webber
patent: 554754 (1896-02-01), Webber

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