Anti-chain wrap device for bicycles

Details Anti-chain wrap device for bicycles Anti-chain wrap device for bicycles

1989-09-27

1990-10-02

Bui, Thuy M.

Endless belt power transmission systems or components

Control for variable input to output speed-ratio

Including belt shiftable axially from one to another surface...

474101, 474140, F16H 718

Patent

active

049604023

ABSTRACT:
An anti-chain wrap device has a plurality of lifters which are raised and curved to be adjacent the rotary path of the chainrings, respectively, to strip or free a struck chain from the chainring. The lifters are finger blade members which are joined near their lower ends to provide a more rigid construction.

REFERENCES:
patent: 4215872 (1980-08-01), Clark
patent: 4674995 (1987-06-01), Iwasaki
patent: 4894046 (1990-01-01), Browning

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