192 clutches and power-stop control – Vortex-flow drive and clutch – Including drive-lockup clutch
Reexamination Certificate
2007-04-10
2007-04-10
Bonck, Rodney H. (Department: 3681)
192 clutches and power-stop control
Vortex-flow drive and clutch
Including drive-lockup clutch
Reexamination Certificate
active
11040543
ABSTRACT:
A bridging clutch for a hydrodynamic clutch device includes a housing comprising a cover having a friction surface; a piston which can move axially with respect to the housing, the piston having a friction surface which faces the friction surface of the cover; a first pretensioning element mount fixed to the cover and having a first support section; a second pretensioning element mount fixed to the piston and having a second support section; and a pretensioning element supported axially between the first and second support sections for actuating the piston in a predetermined axial direction. A slide device located between the pretensioning element and the second support section permits sliding movement of the pretensioning element with respect to the second pretensioning element mount.
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patent: WO 02/063186 (2002-08-01), None
Bonck Rodney H.
Cohen Pontani Lieberman & Pavane LLP
ZF Friedrichshafen AG
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