Brakes – Elements – Cooling and lubricating
Patent
1987-02-12
1990-12-18
Halvosa, George E. A.
Brakes
Elements
Cooling and lubricating
92168, F16D 6578
Patent
active
049779877
ABSTRACT:
A hydraulically actuated braking apparatus, for spot-type disc brakes is disclosed including a piston having an actuating end, protrudes from the brake housing and which acts on a brake pad. The piston is provided with a shoulder, and a metal ring is mounted on the piston's outside surface. An elastic folded collar is fastened behind the metal ring. The outside surface of the piston has at least one indentation of a specific shape and size in the area of the protruding end of the piston. So as to effect a tight fit of the metal ring on the piston, projections are distributed on the inside circumference of the metal ring on elastic ring elements which elements are axially bent out of the radial plane. Guide surfaces are also distributed at the inside circumference of the ring for fastening the metal ring at the piston in a predetermined position.
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Czich Erhard
Hefner Horst
Schmidt Herbert
Alfred Teves GmbH
Halvosa George E. A.
Lewis J. Gordon
Seitter Robert P.
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