发明名称 |
Portable marking tool |
摘要 |
A portable marking tool having a cylindrical housing and a concentric cylinder slidably supporting the hammer member for delivering an impact to a marking die. A charge of air is built up in the housing which is suddenly imposed on the piston-like hammer member when the charge of air is built up to overcome a predetermined opposing load. In one embodiment, the opposing load is afforded by a pressure regulated chamber and in another embodiment by an adjustable spring load.
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申请公布号 |
US4401030(A) |
申请公布日期 |
1983.08.30 |
申请号 |
US19810273510 |
申请日期 |
1981.06.15 |
申请人 |
GATOR MANUFACTURING, INC. |
发明人 |
CONNOLLY, JOHN E.;HUGGETT, MARK D. |
分类号 |
B44B5/00;(IPC1-7):B41F1/06;B41F17/00 |
主分类号 |
B44B5/00 |
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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