| 发明名称 |
Lever-operated push flap for manual punch |
| 摘要 |
A manual sheet paper punch having an elongated pivotal flap which drives punch dies to punch sheets and, in addition, a pivotal lever positioned above the flap for hand operation to urge the elongated flap downwardly to punch sheets. Increased mechanical advantage is accomplished.
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| 申请公布号 |
US5778750(A) |
申请公布日期 |
1998.07.14 |
| 申请号 |
US19960598057 |
申请日期 |
1996.02.07 |
| 申请人 |
ACCO BRANDS, INC. |
发明人 |
DRZEWIECKI, JAMES J.;D'AMORE, MICHAEL J. |
| 分类号 |
B26D5/10;B26F1/36;(IPC1-7):B26F1/02 |
主分类号 |
B26D5/10 |
| 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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