| 摘要 |
The invention relates to a chuck (10) with a coupling and a housing (34) for clamping cap-screws and/or studs having a screw spindle (11), a drive spindle (12) fitted axially in relation to the screw spindle (11) with at least one spring-loaded and axially movable coupling (18) which can be drivably secured to the screw spindle (11) by a counter-component (59) and a spring-loaded, axially movable adjusting sleeve (22) which can render the coupling inoperative. The coupling (18) has at least one projection or recess (6) which can be functionally engaged with a mating recess or projection on the counter-component (59).
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