| 摘要 |
A tool holder is held in a support body by a clamp which is wedged between the support body and the tool holder. The clamp is secured in the support body by a threaded fastener that extends through a through-hole formed in the clamp. The fastener carries a flange which pulls the clamp out of wedging relationship when the fastener is unscrewed. A spring disposed in the through-hole functions to keep the clamp pressed against the tool holder even after the clamp has been loosened, in order to keep the tool holder from falling out of the support body. A stopper is disposed behind the tool holder to locate the tool holder in a desired cutting position and to keep the tool holder pressed against an abutment surface of the support body.
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