发明授权
- 专利标题： Self-locking chuck
- 专利标题（中）： 自锁卡盘
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申请号： US767176申请日： 1977-02-09
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公开(公告)号： US4122755A公开(公告)日： 1978-10-31
- 发明人: Charles R. Johnson , John K. Forlow , Paul G. Black , William A. Mitchell , John S. Clark
- 申请人： Charles R. Johnson , John K. Forlow , Paul G. Black , William A. Mitchell , John S. Clark
- 申请人地址： MI Troy
- 专利权人： Ex-Cell-O Corporation
- 当前专利权人： Ex-Cell-O Corporation
- 当前专利权人地址： MI Troy
- 主分类号： B23B31/00
- IPC分类号： B23B31/00 ; B23B31/26 ; B23C5/26
摘要：
A tool holding assembly wherein a self-locking chuck or tool holder is releasably secured in a rotary spindle by a draw bar and collet type tool holder gripping means. The self-locking chuck is provided with a spring-biased, ball locking means that functions as a safety retainer means for holding the chuck or tool holder in the spindle in case of a breakage of the collet type tool holder gripping means. The spindle is provided with a tapered seat against which the balls of the ball locking means are normally urged by a spring biased plunger that is movable to a ball unlocking position by the draw bar.
公开/授权文献
- US5696211A Silicone release coating compositions 公开/授权日：1997-12-09
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