Piston assembly and a force transfer device, particularly a...

Details Piston assembly and a force transfer device, particularly a... Piston assembly and a force transfer device, particularly a...

2011-04-19

2011-04-19

Bonck, Rodney H (Department: 3655)

192 clutches and power-stop control

Vortex-flow drive and clutch

With additional drive or clutch

C192S003300, C192S048610, C192S048617

Reexamination Certificate

active

07926635

ABSTRACT:
A piston assembly for arrangement in a pressure cavity in a force transfer device for operating a first and a second actuatable clutch device, comprising a piston element associated respectively with an actuatable clutch device. The invention is characterized in that the piston element of the second clutch device is guided at the piston element of the first clutch device movable against a stop, forming an additional second cavity, loadable with pressure medium, wherein the first piston element is movable in an axial direction, relative to the piston element of the second clutch device.

REFERENCES:
patent: 5029685 (1991-07-01), Takase et al.
patent: 5699887 (1997-12-01), Kundermann
patent: 2007/0074943 (2007-04-01), Hemphill et al.

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