Pulley unit having one-way clutch

Details Pulley unit having one-way clutch Pulley unit having one-way clutch

2006-12-05

2006-12-05

Rodriquez, Saul (Department: 3681)

192 clutches and power-stop control

Clutches

Automatic

C192S10400R

Reexamination Certificate

active

07143881

ABSTRACT:
A pulley is concentrically disposed around a hollow shaft, and a one-way clutch is disposed between the hollow shaft and the pulley. At least one bearing is provided between the shaft and the pulley. In the one-way clutch, a roller as a meshing member and a coil spring as a biasing member are integrally rotated together with an outer ring. The roller moves in a meshing-releasing direction by a centrifugal force when a rotation speed of the outer ring becomes equal to or higher than a predetermined speed, and a biasing force of the coil spring has enough magnitude for permitting this movement. The pulley is provided at its inner periphery with a cam surface, and the pulley and the outer ring of the one-way clutch are integrally formed.

REFERENCES:
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patent: 4178805 (1979-12-01), Mazzorana
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patent: 6848552 (2005-02-01), Miller
patent: 0 947 721 (1999-10-01), None
patent: 1 101 978 (2001-05-01), None
patent: 2 774 446 (1999-08-01), None
Patents Abstracts of Japan, JP 08-177888, Jul. 12, 1996.

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