发明授权
US3552649A Railroad bridge tie anchor 失效
铁路桥梁安全锚

Railroad bridge tie anchor
摘要:
An elongated resilient clip rectangular in cross section has a flat end bearing portion and an arcuate end portion to engage the lower face of a railway tie and the lower side of a cover plate on a bridge girder. Said arcuate portion has an elongated slot, upwardly through which and through the tie, passes a bolt which has a head at one end underlying said arcuate portion and means at its other end to tense the bolt.
信息查询
0/0