| 摘要 |
On a tool body at least one bit carrier is mounted capable of sliding. Clamping means are provided for clamping the bit carrier against a clamp plate of the tool body. A catch plate of the tool body operates with a corresponding catch plate of the bit carrier for transmission of torque. The tool body at a distance from its catch plate has a slanted outer wedge surface against which the a slanted wedge surface of the bit carrier is clamped. The wedge surface of the tool body exerts a radial clamping force on the bit carrier which clamps the catch plate surface of the bit carrier radially against the catch plate surface of the tool body.
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