Bicycle free-wheel

Details Bicycle free-wheel Bicycle free-wheel

1991-08-20

1992-07-14

Stormer, Russell D.

Land vehicles: wheels and axles

Wheel

Hub

192 45, 192 4892, F16D 706

Patent

active

051297116

ABSTRACT:
A bicycle free-wheel includes a shaft, and a hub rotatably sleeved around the shaft. A driven member is rotatably sleeved around the shaft and fixed to the hub, and has an even outer face. A driving member is rotatably sleeved around the driven member and has an inner face confronting the outer face. A plurality of longitudinal projections of the inner face and the outer face define a plurality of elongated channels. The distance between the inner and outer faces of the elongated channel is gradually reduced from a wider end to a narrower end. A plurality of elastic rods are respectively received in the wider ends. A plurality of clutch rollers are respectively provided in the elongated channels. The clutch roller wedges into the narrower end allowing the driving member to rotate the driven member when the driving member is rotated in a first direction. The clutch roller moves toward the wider end to allow the driving member to be rotatable with respect to the driven member when the driving member is rotated in an opposite second direction.

REFERENCES:
patent: 4145095 (1979-03-01), Segawa
patent: 4949824 (1990-08-01), Buckley et al.

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