Expansible chamber devices – Piston with rigid axially extending hollow stem – Relatively movable elongated part within stem
Reexamination Certificate
2007-02-13
2007-02-13
Lazo, Thomas E. (Department: 3745)
Expansible chamber devices
Piston with rigid axially extending hollow stem
Relatively movable elongated part within stem
C092S109000
Reexamination Certificate
active
11142112
ABSTRACT:
A linear hydraulic actuator comprises a hollow main piston axially moveable in an elongate cylinder under the influence of hydraulic pressure, the main piston defining a bore within which a seal member is provided, the seal member forming a sliding seal with the bore of the main piston.
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Davies Stephen Harlow
Guy Mark Anthony
Somerfield Michael Paul
Tucker David Roy
Andrus Sceales Starke & Sawall LLP
Goodrich Actuation Systems Limited
Lazo Thomas E.
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