| 摘要 |
An automatic tensioning device for a parking brake actuator that according to one implementation includes a support, a first regulating element, and a second regulating element movable with respect to the support between a rest position and a block position. The second regulating element includes an inner thread, a first stop surface for contacting the support, and at least one stop for contacting the support and/or the first regulating element. In the rest position, the first regulating element is moved with respect to the second regulating element by means of rotation of the second regulating element when the first stop surface contacts a first stop surface of the support. In the block position, the stop blocks the rotation of the second regulating element with respect to the first regulating element.
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