Device for automatically adjusting a braking clearance for a dis

Details Device for automatically adjusting a braking clearance for a dis Device for automatically adjusting a braking clearance for a dis

1979-10-05

1981-10-13

Reger, Duane A.

Brakes

Wheel

Axially movable brake element or housing therefor

188196BA, F16D 6556

Patent

active

042943353

ABSTRACT:
A device for automatically adjusting a braking clearance for a disc brake in which at least one friction pad is directly placed in frictional engagement with a disc rotor by means of a piston. The device comprises an adjusting bolt, stop means for controlling movement of the adjusting bolt, an adjusting nut threaded on the adjusting bolt, first spring means retained between a main piston and the adjusting nut, a stepped piston slidably mounted within the main piston, frictional surfaces opposedly disposed on the stepped piston and the adjusting nut, and second spring means for biasing the stepped piston. When pressure within the liquid chamber of the cylinder reaches a predetermined level, the stepped piston is moved against the force of the second spring means so that both frictional surfaces are engaged to impede rotation of the adjusting nut.

REFERENCES:
patent: 3550732 (1970-12-01), Beller
patent: 3774733 (1973-11-01), Farr

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