Rotation transmission device

Details Rotation transmission device Rotation transmission device

2006-02-07

2009-10-20

Bonck, Rodney H (Department: 3655)

192 clutches and power-stop control

Clutches

Automatic

C192S03000R, C192S040000, C192S084800

Reexamination Certificate

active

07604105

ABSTRACT:
A rotation transmission device includes inner and outer rings and a two-way clutch therebetween. An electromagnetic clutch is provided to selectively engage and disengage the two-way clutch, and includes an electromagnet having a core to which a flange is secured. The flange is received in a recess formed in a stationary member. A snap ring is engaged in a groove formed in the recess to prevent the flange from coming out of the recess. An elastic member is disposed between the flange and the end wall of the recess. The elastic member presses the flange against the snap ring, thereby axially positioning the electromagnet. The elastic member is free of load resulting from magnetic attraction of the electromagnet when energized. This makes it possible to reduce the spring force of the elastic member and thus its diameter and cost.

REFERENCES:
patent: 4301906 (1981-11-01), Shirai
patent: 6282053 (2001-08-01), MacLeod et al.
patent: 6766888 (2004-07-01), Yasui et al.
patent: 7086513 (2006-08-01), Bunko
patent: 2003/0051961 (2003-03-01), Yasui et al.
patent: 2003-191769 (2003-07-01), None

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