Derailleur mounting assembly for a bicycle

Details Derailleur mounting assembly for a bicycle Derailleur mounting assembly for a bicycle

1993-06-07

1995-10-24

Camby, Richard M.

Land vehicles

Wheeled

Occupant propelled type

280261, B62K 2528

Patent

active

054603960

ABSTRACT:
A derailleur mounting assembly for a bicycle having a rear wheel suspension includes a chain stay having a first end connected to a bicycle crank in a manner so as to pivot about the crank axis, and a derailleur mounted on the chain stay. The chain stay is operable to pivot about the crank axis when the rear wheel suspension allows a rear wheel to move. This allows the derailleur to be maintained in a stationary position with respect to a bike chain extended between the bicycle crank and a sprocket attached to a rear wheel.

REFERENCES:
patent: 3913947 (1975-10-01), Harris
patent: 4023424 (1977-05-01), Ryan et al.
patent: 4330137 (1982-05-01), Nagano
patent: 4421337 (1983-12-01), Pratt
patent: 4582335 (1986-04-01), Paioli et al.
patent: 5123878 (1992-06-01), Nagano
patent: 5217241 (1993-06-01), Girvin
patent: 5332246 (1994-07-01), Buell
"Impact Eaters" and various advertisements regarding bicycle suspension forks, Bicycling, pp. 72-73, and 148-166, May 1992.
"The 11 Hottest Bikes of '92," Bicycling, pp. 36-54, Feb. 1992.
Nishiki advertisement showing a Noleen shock having inner pistons that are nitrogen charged and a pivotable chainstay, Bicycling, p. 9, Aug. 1992.
Offroad Pro-Flex bicycle advertisement showing a pivotable chainstay, Bicycling, p. 73, May 1992.

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