| 发明名称 |
Trigger enclosure for ring binder |
| 摘要 |
A trigger lever enclosure for surrounding and enclosing the trigger of a ring binder which enclosure is rigid and larger than the trigger to increase trigger leverage. The enclosure may be removable.
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| 申请公布号 |
US5234276(A) |
申请公布日期 |
1993.08.10 |
| 申请号 |
US19920876650 |
申请日期 |
1992.04.30 |
| 申请人 |
ACCO USA, INC. |
发明人 |
SEMERJIAN, JOSEPH K.;O'NEILL, JOSEPH M. |
| 分类号 |
B42F13/26 |
主分类号 |
B42F13/26 |
| 代理机构 |
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代理人 |
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| 主权项 |
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