Air disc brake adjuster

Details Air disc brake adjuster Air disc brake adjuster

2007-07-24

2007-07-24

Williams, Thomas (Department: 3683)

Brakes

Wheel

Axially movable brake element or housing therefor

C188S071800

Reexamination Certificate

active

11074822

ABSTRACT:
An adjuster for an air disc brake assembly is used to drive tappet members on opposing sides of a rotating brake disc to adjust brake pad position in response to pad wear. The adjuster includes a one-way clutch that permits the tappet members to be driven for adjustment in a brake apply direction and prevents adjustment in a brake release direction. The adjuster includes an adjuster input shaft, which is actuated by a brake operating shaft, and an adjuster body that supports first and second adjuster members. The one-way clutch couples the adjuster input shaft to the adjuster body such that the first adjuster member drives a first tappet assembly to adjust a first brake pad on one side of the rotating brake disc, and the second adjuster member drives a second tappet assembly to independently adjust a second brake pad on an opposite side of the rotating brake disc.

REFERENCES:
patent: 3111198 (1963-11-01), Hodkinson
patent: 3146861 (1964-09-01), Hodkinson
patent: 3392806 (1968-07-01), Knapp
patent: 4690253 (1987-09-01), Weber
patent: 2004/0026181 (2004-02-01), Baumgartner
patent: 2004/0035650 (2004-02-01), Baumgartner
patent: 2004/0045776 (2004-03-01), Baumgartner
patent: 2004/0050630 (2004-03-01), Baumgartner
patent: 2004/0050635 (2004-03-01), Bieker et al.
patent: 1 000 263 (2004-06-01), None
patent: WO02/14708 (2002-02-01), None

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