Parking brake assembly

Details Parking brake assembly Parking brake assembly

2005-05-12

2008-05-20

Siconolfi, Robert A. (Department: 3683)

Brakes

Wheel

Axially movable brake element or housing therefor

C188S072800, C188S072900, C188S072600, C188S072300, C188S072700, C188S265000, C188S156000, C188S00111E, C188S00111E, C188S024180, C188S07000R, C188S024220

Reexamination Certificate

active

07374026

ABSTRACT:
A parking brake assembly for an air actuated disc brake includes an operating shaft for amplifying a force supplied by an air actuator and transmitting the force to brake pads. The operating shaft is pivotable about an axis between a rest position at which a braking force is not applied and an actuated position at which the braking force is applied. An abutment surface on the operating shaft is selectively engageable by a complementary latch of the assembly to retain the operating shaft in the actuated position and thereby apply the parking brake. The abutment surface has a helical configuration.

REFERENCES:
patent: RE29913 (1979-02-01), Case et al.
patent: 5568845 (1996-10-01), Baumgartner et al.
patent: RE37231 (2001-06-01), Severinsson
patent: 6305511 (2001-10-01), McCann et al.
patent: 6311808 (2001-11-01), Halasy-Wimmer et al.
patent: 6311809 (2001-11-01), Thomas et al.
patent: 6382741 (2002-05-01), McCann et al.
patent: 6659235 (2003-12-01), Ortegren et al.
patent: 6817452 (2004-11-01), Heinlein
patent: 6837342 (2005-01-01), Olschewski et al.
patent: 2002/0117892 (2002-08-01), McCann et al.
patent: 2004/0099491 (2004-05-01), Stevenson et al.
patent: 0 995 659 (2000-04-01), None
patent: WO 02/073058 (2002-09-01), None
United Kingdom Search Report dated Aug. 25, 2004.

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