Importance

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Abstract

A brake control apparatus for a vehicle includes brake apparatus for the respective wheels which are operated by pressurized fluid from a master cylinder; an electro-magnetic valve arranged in a conduit connecting the master cylinder with at least one of the brake apparatus, the electro-magnetic valve being normally in the communicating state and being changed over into the intercepting state by an external instruction; at least one of the brake apparatus being of the disc brake type, the one comprising; (a) a disc rotor; (b) first and second friction pad assemblies for engagement with opposite sides of the disc rotor, the assemblies being guided for movement towards the disc rotor; (c) a caliper body straddling the peripheral edge of the disc rotor and the first and second friction assemblies; (d) an actuating member arranged in the caliper body for urging the first and second friction pad assemblies into engagement with the disc rotor, and (e) elastically deformable retainers for supporting the first and second friction pad assemblies in the peripheral direction; at least one of the first and second friction pad assemblies being movable within a predetermined range in the peripheral direction in accordance with the change of the direction of the frictional force with the disc rotor and a switch for detecting the peripheral displacement of the one of the first and second friction pad assemblies and generating the external instruction for the electro-magnetic valve.

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First Claim