Device for supporting and for at least contributing to the...

Expansible chamber devices – Piston – With ball or roller anti-friction means on side wall portion

Reexamination Certificate

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Details

C384S049000

Reexamination Certificate

active

07066077

ABSTRACT:
A device for supporting and for at least contributing to the activation of an actuating element. An outer thin-walled bearing ring defines a pressure space to which pressure is applied. The outer thin-walled bearing ring at least partially bounds a circumference of the pressure space. A piston supports the actuating element and moves longitudinally within the pressure space with respect to the outer thin-walled bearing ring. Roller bodies configured to roll on the outer thin-walled bearing ring for supporting the actuating element.

REFERENCES:
patent: 4544212 (1985-10-01), Parzefall et al.
patent: 5375932 (1994-12-01), Hanaway
patent: 5707153 (1998-01-01), Steinberger et al.
patent: 6402382 (2002-06-01), Schnapp et al.
patent: 3402523 (1985-08-01), None
patent: 43 12 997 (1993-04-01), None
patent: 195 80 454 (1995-03-01), None
patent: 196 15 267 (1996-04-01), None
patent: 197 25 226 (1997-06-01), None
patent: 100 41 990 (2000-08-01), None
patent: 1 164 316 (2001-12-01), None
patent: 953145 (1964-03-01), None

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