Motor vehicle brake, in particular a motor vehicle brake that can be actuated in a combined hydraulic and electromechanical manner, comprising a multi-stage spindle
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United States of America Patent
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Mar 20, 2018
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N/A
app pub date -
Feb 17, 2015
filing date -
Feb 19, 2014
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Abstract
The invention relates to a motor vehicle brake, in particular a motor vehicle brake that can be actuated in a combined hydraulic and electromechanical manner, having an actuator assembly comprising: a housing, an actuating element that can be displaced relative to the housing along a longitudinal axis for the hydraulic or electromechanical displacement of a brake lining, a motor drive, and a displacement mechanism, arranged between the motor drive and the displaceable actuating element, for displacing the actuating element. The displacement mechanism has a multi-stage spindle-nut arrangement comprising a first spindle-nut pair having a first thread pitch and a second spindle-nut pair having a second thread pitch, wherein the first thread pitch is greater than the second thread pitch, wherein, during an electromechanical actuation of the motor vehicle brake, the first spindle-nut pair is active in a first actuating phase and the second spindle-nut pair is active in a second actuating phase.
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