Fluid pressure operated disc brake with piston expansion means t

Details Fluid pressure operated disc brake with piston expansion means t Fluid pressure operated disc brake with piston expansion means t

1976-02-09

1977-05-31

Reger, Duane A.

Brakes

Wheel

Axially movable brake element or housing therefor

188196BA, F16D 6556

Patent

active

040263916

ABSTRACT:
A disc brake unit embodying a pair of adjusting members confined in an opening between the application piston and a thrust member carried by the application piston for transmitting the brake application forces to the disc brake shoes. The adjusting members are contiguous along their adjacent frontal faces from which projects a plurality of inclined surfaces that coact to expand the adjusting members axially when relative rotation is imparted to the adjusting members, as by springs acting peripherally therebetween. The springs are only able to effect such rotation of the adjusting members when the space in which these members are confined is enlarged due to the thrust member being held stationary by a cramp ring when the piston is returned to release position following a brake application during which brake shoe wear occurred.

REFERENCES:
patent: 3292740 (1966-12-01), Swift
patent: 3550732 (1970-12-01), Beller
patent: 3811540 (1974-05-01), Knapp et al.

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