Control system for a working apparatus for use on a bicycle

Details Control system for a working apparatus for use on a bicycle Control system for a working apparatus for use on a bicycle

1994-12-13

1996-10-08

Marmor, Charles A.

Planetary gear transmission systems or components

With means to vary drive ratio or disconnect drive

Gear shiftable axially to disconnect or vary ratio

475289, 475312, F16H 344

Patent

active

055625630

ABSTRACT:
A control system for a working apparatus such as a derailleur or self-contained change speed apparatus of a bicycle, operable by a pulling force and a restoring force. This control system comprises a first sleeve shiftable in one direction by the pulling force, and in the other direction by the restoring force; a second sleeve for transmitting a shift of the first sleeve to a controlled member of the change speed apparatus to control the controlled member, the first sleeve and the second sleeve being interlocked to be shiftable relative to each other; a clutch pawl switchable between a first position to transmit rotational drive of the bicycle to the second sleeve, and a second position to break drive transmission; and a clutch controller for switching the clutch pawl to the first position in response to a relative shift between the first sleeve and the second sleeve.

REFERENCES:
patent: 4934503 (1990-06-01), Bacher et al.
patent: 4973297 (1990-11-01), Bergles
patent: 5078664 (1992-01-01), Nagano
patent: 5186072 (1993-02-01), Nagano
patent: 5273500 (1993-12-01), Nagano
patent: 5322487 (1994-06-01), Nagano
patent: 5325735 (1994-07-01), Nagano
patent: 5443279 (1995-08-01), Nurnberger

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