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.
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
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