Fluid-pressure and analogous brake systems – Multiple control – Fluid and electric
Reexamination Certificate
2005-10-11
2005-10-11
Butler, Douglas C. (Department: 3683)
Fluid-pressure and analogous brake systems
Multiple control
Fluid and electric
C188S156000, C188S158000, C303S003000, C303S020000, C303S050000
Reexamination Certificate
active
06953228
ABSTRACT:
An actuating device for a brake unit of a vehicle EBS includes a tappet positioned in a housing of the brake unit for actuating a piston to operate a brake valve. A displacement sensor slide measures axial movement of the tappet. So that moving parts of the actuating device are guided with minimal friction and that torque acting on the tappet is compensated for, the tappet includes a base plate disposed non-rotatably in a receiver of a guide ring having spaced-apart oblong holes, a spacer ring disposed in the guide ring having angled edges which extend into the oblong holes, and a window on the guide ring protruding radially outwardly into a slit on the housing to receive the displacement sensor slide.
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Christoffers Bernd
Leske Olaf
Kramer Levin Naftalis & Frankel LLP
WABCO GmbH & Co. oHG
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