| 摘要 |
In a chuck (1) with moveable base jaws (11) inserted in radial grooves (3) in a chuck body (2) with each base jaw (11) having a releasable top jaw (21) attached to it, a joining piece (12) protruding towards the top jaw (21) is formed onto each base jaw (11) and engages in an accommodation opening (22) in the top jaw (21). Furthermore, the top jaws (21) can be clamped onto the base jaws by means of quick clamping devices (31) arranged in the top jaws (21) and the joining pieces (12).This embodiment means that the top jaws (21) of the chuck (1) can be replaced very quickly and in a simple operation, whilst a secure attachment of the top jaws (21) onto the base jaws (11) is guaranteed at all times.
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