Pedal link assembly for bicycle

Details Pedal link assembly for bicycle Pedal link assembly for bicycle

1985-10-04

1986-12-23

Smith, Gary L.

Machine element or mechanism

Elements

Cranks and pedals

745941, G05G 114

Patent

active

046305033

ABSTRACT:
A transmission mechanism with a novel crank and plastic-moulded gear comprising a crank member with a screw opening at one end and a larger head portion at another, and a transmission gear made of wear-resistant plastic material and incorporated with an inside gearing member through an injection moulding operation closely coupled with the head portion of the crank member so that the plastic-moulded transmission gear is always kept at its axis center without either wobbling or producing any noise during its rotation.

REFERENCES:
patent: 521363 (1894-06-01), Bishop
patent: 3039791 (1962-06-01), Horowitz et al.
patent: 3081645 (1963-03-01), Bergfors
patent: 3648542 (1972-03-01), Perotti et al.
patent: 3919898 (1975-11-01), Sugino
patent: 4331043 (1982-05-01), Shimano

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