Protective device for a bicycle driving chain

Details Protective device for a bicycle driving chain Protective device for a bicycle driving chain

1987-07-10

1988-11-22

Love, John J.

Land vehicles

Wheeled

Occupant propelled type

474140, B62J 1300

Patent

active

047860715

ABSTRACT:
A protective device for a driving chain stretched across a front gear and a rear gear of at a bicycle, which forms a guard body inserted below a driving side path of the chain at the driving side of the chain travelling from the rear gear to the front gear and having a chain guide surface for guiding axially outwardly part of the chain on the driving side path with respect to a rear bicycle wheel, the guard body is mounted on the bicycle frame through a mounting member, so that, even when the chain vibrates due to a bounce of the bicycle while running, the chain is prevented from contacting the rear wheel to be carried along with the rotation of the rear wheel.

REFERENCES:
patent: 582096 (1897-05-01), Rominger
patent: 2101172 (1937-12-01), Gegenheimer
patent: 4471851 (1984-09-01), Kamiya et al.

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