192 clutches and power-stop control – Clutches – Axially engaging
Reexamination Certificate
2005-08-16
2005-08-16
Bonck, Rodney H. (Department: 3681)
192 clutches and power-stop control
Clutches
Axially engaging
C192S085060, C192S10700R
Reexamination Certificate
active
06929106
ABSTRACT:
A multiplate clutch is provided with two types of frictionally engaging elements and a piston with plural pressing raised portions formed thereon. The frictionally engaging elements of at least one type are each provided with small waves. The two types of frictionally engaging elements are alternately arranged on two members such that in a state of relative rotation between the two members, rotation is transmitted via the frictionally engaging elements as needed. The waves on each of the frictionally engaging elements of the at least one type are arranged such that positions of swell portions or recess portions of the waves are shifted in phase from positions of the pressing raised portions of the piston.
REFERENCES:
patent: 2733797 (1956-02-01), Almen et al.
patent: 2927673 (1960-03-01), Sand
patent: 2968381 (1961-01-01), Vosler
patent: 3016119 (1962-01-01), Rosenberger et al.
patent: 2003/0150686 (2003-08-01), Kremer
patent: 63-198837 (1988-12-01), None
patent: 4-8928 (1992-01-01), None
Miyazaki Tomoyuki
Suzuki Hirotsugu
Watanabe Takayuki
Bonck Rodney H.
Crowell & Moring LLP
NSK-Warner K.K.
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