发明名称 Grid ceiling structure and method of converting
摘要 An elongated bracket used in converting a tee grid/lay-in panel ceiling structure to a linear beam array structure. The bracket has first gripping elements for attachment of the bracket to tees with lay-in panels in place on such tees and second gripping elements for subsequent attachment of linear beams to the bracket.
申请公布号 US4448006(A) 申请公布日期 1984.05.15
申请号 US19810267731 申请日期 1981.05.28
申请人 DONN INCORPORATED 发明人 WORLEY, ROBERT F.
分类号 E04B9/26;(IPC1-7):E04B5/55 主分类号 E04B9/26
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