Bonded clutch piston

Details Bonded clutch piston Bonded clutch piston

2006-05-09

2006-05-09

Lorence, Richard M. (Department: 3681)

192 clutches and power-stop control

Clutches

Operators

C192S10600R

Reexamination Certificate

active

07040474

ABSTRACT:
A clutch assembly is provided including a first member and a second member rotatable relative to the first member. A clutch pack is provided for frictionally engaging the first and second members. A piston chamber is provided adjacent to the clutch pack, and a piston is disposed in the piston chamber and operable for applying axial pressure to the clutch pack. The piston includes first, second, and third seal portions integrally molded in place on the piston and engaging the piston chamber at spaced locations. The integrally molded first, second, and third seal portions reduce the number of components necessary for properly sealing the piston chamber and reduce the amount of labor required for assembly.

REFERENCES:
patent: 5416966 (1995-05-01), Boerger et al.
patent: 5492053 (1996-02-01), Stonehill
patent: 5558195 (1996-09-01), Bucciero
patent: 5899461 (1999-05-01), Yomogita
patent: 6039160 (2000-03-01), Joppeck
patent: 2003/0168306 (2003-09-01), Gorman et al.
patent: 2004/0004326 (2004-01-01), Lou

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