DEVICE FOR ADJUSTING SPACE IN DRUM-BLOCK BRAKE Russian patent published in 1995 - IPC

FIELD: automotive industry. SUBSTANCE: device has a clutch constructed as step nut and bushing and housed in one of two longitudinally moving sleeves. The bushing is provided with at least one dummy opening along its longitudinal axis. Working and locking balls, between which a spring is interposed, are received in the dummy opening. The working ball is in contact with the cylindrical neck of the step nut. The distance between the axes of the central opening, wherein a spring-loaded plunger is received, and dummy opening of the bushing is defined so that to provide wedging the working ball between mated surfaces of the bushing and neck of the nut. EFFECT: improved accuracy of adjusting. 5 dwg