Disc brakes

Details Disc brakes Disc brakes

1986-12-01

1988-08-30

Kashnikow, Andres

Brakes

Operators

Spring

188 7347, 188 7334, F16D 5500

Patent

active

047669810

ABSTRACT:
The present invention relates to a disc brake for use on a railway vehicle. The brake includes a service brake for normal brake applications and an auxiliary or parking brake which is spring applied and hydraulically or pneumatically released. The disc brake includes a caliper supporting a service brake actuator and an auxiliary brake actuator arranged to apply opposed friction pads to opposite sides of a braking disc. The auxiliary brake actuator consists of one or more spring elements which engage around outer peripheral regions of the caliper and grip the caliper to apply spring force to the pads from the exterior of the caliper, the spring elements being releasable by a hydraulic or pneumatic piston such that the spring force of the spring elements is then reacted through the caliper. By this arrangement of spring elements, the spring elements being preferably located in grooves on the outer surface of the caliper, a compact disc brake construction is achieved.

REFERENCES:
patent: 3188922 (1965-06-01), Cruse
patent: 3480116 (1969-11-01), Rath
patent: 3661230 (1972-05-01), Burnett
patent: 4014414 (1977-03-01), Yamamoto et al.
patent: 4034858 (1977-07-01), Rath
patent: 4485897 (1984-12-01), Kawaguchi et al.

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