BRAKE DRIVE WITH WEARING COMPENSATOR Russian patent published in 2007 - IPC F16D65/52 

FIELD: mechanical engineering.

SUBSTANCE: drive comprises cylinder and hollow piston set in the cylinder. The piston receives the guide secured to the cylinder, mechanism for locking the piston made of conical bushing that is in a contact with the pressing bushing via the spring, and inserts set in the conical bushing. The pressing bushing cooperates with the piston. The inserts are mounted for permitting axial movement in the guide and are pressed to the conical bushing by means of the return spring. The mechanism for locking the piston is additionally provided with the sleeve interposed between the piston bottom and spring. The sleeve is rigidly connected with the conical bushing and cooperates with the return spring.

EFFECT: enhanced reliability.

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