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US 10,704,622 B2Granted
Actuation mechanism for a brake
AssigneeSAF-HOLLAND GmbH
InventorOlaf Drewes
Life of this patent
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Abstract
Actuation mechanism for a wedge-actuated drum brake, in particular for commercial vehicles, includes a spreading unit which has an actuating element which is displaceable along an actuating direction, wherein the spreading unit is configured in such a way that the displacement of the actuating element can occur directly via a fluid or a fluid pressure.
Claims16
A wedge-actuated drum brake, comprising:
- an actuation mechanism for the wedge-actuated drum brake, comprising:
- a spreading unit which has an actuating element which is displaceable along an actuating direction;
- and
- a master unit which has a master element which is displaceable along a master direction;
- wherein the spreading unit is configured such that the displacement of the actuating element occurs directly via a fluid under a fluid pressure;
- wherein the master element and the actuating element are in direct operative connection via the fluid;
- wherein the master element includes a master piston;
- wherein the actuating element comprises an actuating piston on which the fluid pressure acts directly and
- wherein a piston face of the master piston corresponds substantially to the piston face of the actuating piston.
6 more elements
Dependencies are inferred from the claim text.