Electromechanical linear actuator for a parking brake

Details Electromechanical linear actuator for a parking brake Electromechanical linear actuator for a parking brake

2007-02-14

2011-11-22

Rodriguez, Pamela (Department: 3657)

Brakes

Operators

Electric

C188S072800, C188S156000, C074S502400

Reexamination Certificate

active

08061490

ABSTRACT:
An actuator includes a screw mechanism (13) having a threaded nut (16) rotatable by an electric motor (11) about a longitudinal axis (x) and a screw (17) translatable along the axis between an axially extended position and an axially retracted position. The screw (17) is connectable to a wire (W) of a Bowden cable (C) having an outer sheath (S). The actuator has a casing (20) with a first, fixed transversal surface (18). A cup (50) is mounted axially slidably on the casing (20) and has a second transversal surface (51) adapted for resting against an end of the sheath (S). A spring (53) is compressed between the first, fixed transversal surface (18) and the sliding cup (50). The cup (50) is capable of reaching an axially extended position, corresponding to a released brake condition, and an axially retracted position towards the first fixed transversal surface (18), against the bias of the spring (53), corresponding to a brake actuated condition.

REFERENCES:
patent: 6609595 (2003-08-01), Flynn et al.
patent: 6840133 (2005-01-01), Aubrey et al.
patent: 7448475 (2008-11-01), Mourad et al.
patent: 2009/0247364 (2009-10-01), Sano et al.
patent: 10 2004 006 801 (2004-08-01), None
patent: WO 98/56633 (1998-12-01), None
patent: WO 2005/005212 (2005-01-01), None
patent: WO 2005/061293 (2005-07-01), None

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