Coaster brake bicycle and changeable speed gear attachment there

Details Coaster brake bicycle and changeable speed gear attachment there Coaster brake bicycle and changeable speed gear attachment there

1989-05-26

1990-12-11

Bonck, Rodney H.

192 clutches and power-stop control

Vortex-flow drive and clutch

With brake

74417, 280238, 474 84, B62M 900

Patent

active

049763482

ABSTRACT:
A changeable speed gear attachment for bicycles. including the first gear for interconnection with the front sprocket of a standard bicycle, and a second gear for interconnection with the rear sprocket of a standard bicycle, is disclosed. Shifting means, comprising a plurality of gears and an associated shift lever and transmission cable, are further disclosed. The device may be mounted on the rear frame members of the bicycle without modification of the frame, and the device may be used with bicycles having either a standard chain transmission or a direct-drive chainless transmission.

REFERENCES:
patent: 446354 (1891-02-01), Kane
patent: 528956 (1894-11-01), Lippy et al.
patent: 628453 (1899-07-01), Delane
patent: 1736680 (1929-11-01), Toliver
patent: 2171886 (1939-09-01), Musselman
patent: 3782210 (1974-01-01), Holleman
patent: 3831978 (1974-08-01), Dunder et al.
patent: 3863503 (1975-02-01), Loeb et al.
patent: 4005611 (1977-02-01), Jeffries
patent: 4813302 (1989-03-01), Davidow

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