发明名称 |
Surgical bur shank and locking collet mechanism |
摘要 |
A collet for holding a rotatable tool such as a bur or drill bit having a stepped shaft including a drive shaft having a stepped internal diameter mating with the external diameter of the bur or drill shaft, a plurality of hardened balls mounted in openings in the sleeve, a locking sleeve having a tapered surface movable with the force of a spring against the balls to force the balls against the shaft to lock the shaft in the sleeve. A rotatable locking collar is movable to release the spring force to release the shaft for removal and replacement of the tool.
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申请公布号 |
US6000940(A) |
申请公布日期 |
1999.12.14 |
申请号 |
US19980069342 |
申请日期 |
1998.04.29 |
申请人 |
BUSS, RICK A.;AHMAD, SHAHER;WEI, MICHAEL F. |
发明人 |
BUSS, RICK A.;AHMAD, SHAHER;WEI, MICHAEL F. |
分类号 |
A61C1/14;(IPC1-7):A61C1/14 |
主分类号 |
A61C1/14 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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