| 发明名称 |
Method for assembling improved truss joist |
| 摘要 |
An improved method of assembling truss joist comprising locating and aligning apertures in chord and web members by inserting a tapered pin followed by driving out of the tapered pin and replacing it with a knurled or enlarged pin is disclosed.
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| 申请公布号 |
US4071941(A) |
申请公布日期 |
1978.02.07 |
| 申请号 |
US19770814258 |
申请日期 |
1977.07.11 |
| 申请人 |
SWEET, LAVERN E. |
发明人 |
SWEET, LAVERN E. |
| 分类号 |
E04C3/292;(IPC1-7):E04C3/29;B23Q3/00 |
主分类号 |
E04C3/292 |
| 代理机构 |
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代理人 |
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| 主权项 |
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