192 clutches and power-stop control – Clutches – Velocipede free wheel
Patent
1998-02-26
2000-09-26
Bonck, Rodney H.
192 clutches and power-stop control
Clutches
Velocipede free wheel
192 46, 192 6981, F16D 4136
Patent
active
061231797
ABSTRACT:
A bicycle freewheel hub includes a hollow hub shell sleeved rotatably on a shaft, a cylindrical driving member sleeved rotatably on the shaft and disposed adjacent to the hub shell, and a clutch unit including first and second clutch members sleeved rotatably on the shaft. The first clutch member is coupled to the driving member. The second clutch member is coupled to the hub shell. Each of the clutch members has an annular end face which extends in a direction substantially perpendicular to the shaft. The annular end face of each of the clutch members has inclined teeth that are arranged annularly around the shaft and that project axially from the annular end face. The annular end face of the second clutch member confronts the annular end face of the first clutch member. The inclined teeth of the second clutch member engage the inclined teeth of the first clutch member when the driving member rotates in a first direction, and disengage therefrom when the driving member rotates in a second direction opposite to the first direction. A spring biases one of the first and second clutch members so as to keep interengagement of the first and second clutch members.
REFERENCES:
patent: 1361757 (1920-12-01), Emerson
patent: 1917459 (1933-07-01), Pugh
patent: 2181242 (1939-11-01), Kurzina
patent: 3865220 (1975-02-01), Thompson
patent: 4261452 (1981-04-01), Barrows
patent: 4271941 (1981-06-01), Miller
patent: 4461375 (1984-07-01), Brown
patent: 4593799 (1986-06-01), Ozaki
patent: 5129711 (1992-07-01), Chen
patent: 5515957 (1996-05-01), McConaghy
Bonck Rodney H.
Kun Teng Industry Co., Ltd
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