192 clutches and power-stop control – Clutches – Automatic
Reexamination Certificate
2011-08-16
2011-08-16
Le, David D (Department: 3655)
192 clutches and power-stop control
Clutches
Automatic
C267S166000
Reexamination Certificate
active
07997397
ABSTRACT:
A one-way roller clutch includes an outer ring, and an inner ring mounted inside the outer ring and having an outer cylindrical surface. The outer ring has on its inner periphery a plurality of cam surfaces each defining a wedge-shaped space in cooperation with the cylindrical surface of the inner ring. Rollers are each mounted between one of the cam surfaces and the cylindrical surface. Each roller is biased by a coil spring toward a narrow portion of the corresponding wedge-shaped space. Each coil spring has at its end facing the roller a radially outwardly extending spiral roller abutment portion. The roller abutment portion prevents the end of the coil spring from slipping along and separating from the roller, thus stabilizing the attitude of the coil spring.
REFERENCES:
patent: 359359 (1887-03-01), Morris
patent: 1963053 (1934-06-01), Powers
patent: 4058192 (1977-11-01), Haigh
patent: 4549638 (1985-10-01), Johnston
patent: 4852708 (1989-08-01), Parkhurst
patent: 5176232 (1993-01-01), Malecha
patent: 6394249 (2002-05-01), Tazumi et al.
patent: 60-57020 (1985-04-01), None
Le David D
NTN Corporation
Scott Jacob S
Wenderoth , Lind & Ponack, L.L.P.
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