Driving chain for bicycles

Details Driving chain for bicycles Driving chain for bicycles

1976-12-06

1978-07-25

Gerin, Leonard H.

Machine element or mechanism

Gearing

Toothed gear and recirculated unconnected elements

74250R, F16G 1302

Patent

active

041022165

ABSTRACT:
A driving chain for a bicycle, which serves to transmit the driving force by pedalling from front chain sprockets to rear chain sprockets, in which each of the outer link plates is partially expanded to the extent that each pin connecting outer link plates with inner link plates respectively comes out of the outside of the outer link plate, so that each of the expanded portions, when the driving chain is shifted by a derailleur, may be in contact with teeth of the sprockets.

REFERENCES:
patent: 3242752 (1966-03-01), Acri
patent: 3835721 (1974-09-01), Hoffstetter

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