发明名称 |
DRILL HEAD LOCKING APPARATUS AND DRILL HEAD |
摘要 |
A drill head locking apparatus and a drill head are provided. The locking apparatus includes a protruding platform having a through hole, a bearing on the inner wall of a small cylinder on the protruding platform, a locking sleeve fitted on the protruding platform, and a protrusion arranged on the upper part of the inner wall of the locking sleeve. The lower part of the inner wall of the locking sleeve is a conical face. A spring is arranged between the bottom face of the conical face and an upper bottom face of the protruding platform. A press plate is connected with a screw thread on the outer wall of the top part of the small cylinder on the protruding platform and presses down on the protrusion. A conical hole is arranged on the wall of the small cylinder and communicates with the through hole of the protruding platform.
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申请公布号 |
US2013178857(A1) |
申请公布日期 |
2013.07.11 |
申请号 |
US201113823087 |
申请日期 |
2011.08.24 |
申请人 |
YE LEI;ZHOU JIAN;FENG HUA;LI FEI;ZHU HENGYANG;LI CONGXIAO;CHONGQING RUNZE MEDICAL INSTRUMENTS CO., LTD. |
发明人 |
YE LEI;ZHOU JIAN;FENG HUA;LI FEI;ZHU HENGYANG;LI CONGXIAO |
分类号 |
A61B17/16;B23B31/10 |
主分类号 |
A61B17/16 |
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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