Brakes – Internal-resistance motion retarder – Including seal or guide
Reexamination Certificate
2007-02-27
2007-02-27
Williams, Thomas (Department: 3683)
Brakes
Internal-resistance motion retarder
Including seal or guide
C267S120000
Reexamination Certificate
active
10820372
ABSTRACT:
A piston rod and a piston are installed with freedom of axial movement in a cylinder filled with a working medium, the piston dividing the working space into a space on the piston-rod side of the piston and a space on the side of the piston facing away from the piston rod. A stop disk is mounted on the piston rod in addition to the piston rests against a retainer provided on the cylinder to limit the outward movement of the piston rod during a fire.
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Asadi Hassan
Fenn Gerald
Neumann Björn
Wirth Peter
Cohen Pontani Lieberman & Pavane LLC
Williams Thomas
ZF Sachs AG
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