| 摘要 |
An adjusting device for a disc brake comprised of a brake piston which, for the actuation of a brake shoe, is slidably arranged in a brake cylinder and which is actuatable by way of a hydraulic and a mechanical actuating device. Between the brake piston and the mechanical actuating device an adjusting member is provided which is composed of two adjusting elements interconnected by way of a thread without self-locking engagement. The adjusting member comprises a friction clutch having conical friction surfaces for fixation of one of the adjusting elements on mechanical actuation; and includes a spring which is supported on a stop formed fast with the housing and on a roller bearing seated on one of the adjusting elements. For the improved manufacture of the parts and in order to improve and facilitate the assembly, the accommodation sleeve comprises at least one groove extending substantially in the direction of the longitudinal axis of the accommodation sleeve.
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