| 发明名称 |
Steel retainer for rock drill |
| 摘要 |
A simple and positive drill steel retainer, comprising a retainer (402) and a latch (403). The retainer cannot be opened until the latch is disengaged. The latch is held in the engaged position by a spring (406). The retainer and latch can be easily disengaged in one continuous motion with one hand.
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| 申请公布号 |
US2002195779(A1) |
申请公布日期 |
2002.12.26 |
| 申请号 |
US20020179718 |
申请日期 |
2002.06.25 |
| 申请人 |
CAMPBELL PAUL B.;CAMPBELL COLIN D. |
发明人 |
CAMPBELL PAUL B.;CAMPBELL COLIN D. |
| 分类号 |
B25D9/12;B25D9/20;B25D17/08;(IPC1-7):B23B31/103 |
主分类号 |
B25D9/12 |
| 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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