发明名称 |
Chuck |
摘要 |
A drill holding chuck is provided having particular utility for use with a drill sharpening tool. The chuck includes an outer tubular housing having cylindrical ends rotably receivable in bearing members to provide spaced support for the chuck and the jaw closing force is applied to the chuck jaws about midway of their length.
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申请公布号 |
US4093247(A) |
申请公布日期 |
1978.06.06 |
申请号 |
US19760707026 |
申请日期 |
1976.07.20 |
申请人 |
DAREX CORPORATION |
发明人 |
BERNARD, ARTHUR ALEXANDER;BERNARD, RICHARD ALLEN |
分类号 |
B23B31/12;B24B3/30;(IPC1-7):B23B31/12 |
主分类号 |
B23B31/12 |
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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