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Title:
CABLE-PULLING ACTUATION SYSTEM FOR A PARKING BRAKE AND PARKING BRAKE THEREOF
Document Type and Number:
WIPO Patent Application WO/2017/153964
Kind Code:
A8
Abstract:
Cable-pulling actuation system (4) for a parking brake comprising - a body (12) that houses motor means (16), - a tie rod (20), suitable to actuate along an actuation direction (X-X), in correspondence of a first end (24), an actuating member (28) of a drum brake, - transmission means (44) that operatively connect the motor means (16) to a second end (48) of the tie rod (20), - wherein the second end (48) of the tie rod (20) is integral in translation with a first screw (52), having a first thread (56) with a first pitch (PI), - wherein said first screw (52) is engaged, through the first thread (56), in a second screw (60), - the second screw (60) comprises a second thread (64) with a second pitch (P2), through which is in turn engaged in a nut screw (68) integral with the body (12), the second thread (64) being opposite to the first thread (56), - the second screw (60) being actuated in rotation by said transmission means (44).

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Inventors:
MAZZARINI, Nicolò (Via Brembo 2, Curno Bergamo, I-24035, IT)
BERRA, Simone (Via Brembo 2, Curno Bergamo, I-24035, IT)
PIROVANO, Italo (Via Brembo 2, Curno Bergamo, I-24035, IT)
WOLOSZYN, Tomasz (Via Brembo 2, Curno Bergamo, I-24035, IT)
Application Number:
IB2017/051420
Publication Date:
August 30, 2018
Filing Date:
March 10, 2017
Export Citation:
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Assignee:
FRENI BREMBO S.P.A. (Via Brembo, 25 Curno, Bergamo, I-24035, IT)
International Classes:
B60T13/74
Attorney, Agent or Firm:
MITOLA, Marco et al. (Via Berchet 9, Padova, I-35131, IT)
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