Front derailleur for a bicycle having horizontally positioned li

Details Front derailleur for a bicycle having horizontally positioned li Front derailleur for a bicycle having horizontally positioned li

1981-06-02

1984-01-03

Murtagh, John E.

Endless belt power transmission systems or components

Control for variable input to output speed-ratio

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

F16H 722

Patent

active

044240481

ABSTRACT:
A front derailleur for a bicycle has a base member provided with a horizontal mount and a pair of linkage members disposed longitudinally of the bicycle and extending horizontally, the linkage members being mounted on the mount swingably through first and second pivot shafts extending vertically, so that an air resistance against the linkage members is reduced during the bicycle's running, and a smooth speed can be obtained.

REFERENCES:
patent: 4279605 (1982-07-01), Egami
Sun Tour Derailleurs, (Rear Derailleur, Cycle Goods Corp., Minnetonka, MN., p. 152, front cover of handbook and inside page of front cover).

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