发明名称 Bolt anchor assembly
摘要 A bolt anchor assembly including an anchor member to be imbedded in concrete, the anchor member having a hollow tubular portion and a base plate, the base plate projecting outwardly from the tubular portion, and a bolt projecting axially through the base plate and tubular portions for attachment to the base of a piece of machinery.
申请公布号 US4408940(A) 申请公布日期 1983.10.11
申请号 US19810300011 申请日期 1981.09.08
申请人 FISCHER, MARK L. 发明人 FISCHER, MARK L.
分类号 E04B1/41;(IPC1-7):F16B39/22 主分类号 E04B1/41
代理机构 代理人
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