A cable-pulling actuation system for a parking brake having a body that houses a motor, a tie rod, suitable to actuate along an actuation direction, in correspondence of a first end, an actuating member of a drum brake, and a transmission that operatively connects the motor to a second end of the tie rod. The second end of the tie rod is integral in translation with a first screw, having a first thread with a first pitch. The first screw is engaged, through the first thread, in a second screw. The second screw comprises a second thread with a second pitch, through which is in turn engaged in a nut screw integral with the body, the second thread being opposite to the first thread. The second screw being actuated in rotation by the transmission.
CABLE-PULLING ACTUATION SYSTEM FOR A PARKING BRAKE AND PARKING BRAKE THEREOF
2020-06-18
Patent
Electronic Resource
English
Cable-pulling actuation system for a parking brake and parking brake thereof
European Patent Office | 2020
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