发明名称 |
Portable bridge system |
摘要 |
A portable bridge system formed from at least a pair of substantially rectangular bridge platforms positioned in side-by-side relationship including end locking plates for locking the platforms together at the end regions thereof. The invention further includes shear plates integral with, and spaced along, a side edge of the bridge platform for engagement with an adjacent bridge platform to resist transverse shear forces between adjacent bridge platforms.
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申请公布号 |
US5603134(A) |
申请公布日期 |
1997.02.18 |
申请号 |
US19950495167 |
申请日期 |
1995.06.27 |
申请人 |
COASTAL LUMBER COMPANY |
发明人 |
WHIPKEY, CRAIG R.;BLOOMER, PETER L.;WRIGHT, KIRK;WOLCOTT, MICHAEL P. |
分类号 |
E01D15/133;E01D19/12;(IPC1-7):E01D15/12 |
主分类号 |
E01D15/133 |
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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