Frictional engagement apparatus

Details Frictional engagement apparatus Frictional engagement apparatus

2006-09-27

2009-11-10

Bonck, Rodney H (Department: 3655)

192 clutches and power-stop control

Clutches

Operators

C192S048910, C192S083000

Reexamination Certificate

active

07614487

ABSTRACT:
A frictional engagement apparatus is provided. The frictional engagement apparatus includes a first frictional engagement unit, a second frictional engagement unit disposed axially spaced from the first frictional engagement unit, and one case that supports the first and the second frictional engagement units non-rotatably circumferentially but shiftably axially relative thereto. One retaining ring is fitted to the case so as to be located between the first and second frictional engagement units. The retaining ring is abutted to the nearest first friction plate and/or the second friction plate to stop an approaching shift of the first frictional engagement unit and/or the second frictional engagement units. The retaining ring includes a u-shaped cross section defined by an annular recess that extends in a circumferential direction of the retaining ring at a radially interior portion of the retaining ring.

REFERENCES:
patent: 3313385 (1967-04-01), Forster
patent: 3662642 (1972-05-01), Bernard
patent: 6280335 (2001-08-01), Wehner et al.
patent: 2006/0021845 (2006-02-01), Onishi et al.
patent: 9-53691 (1997-02-01), None
patent: 2003-42184 (2003-02-01), None
patent: 2003-106341 (2003-04-01), None

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