发明名称 Washer Assembly and Arcuate Threaded Fastener
摘要 A ferrule (10) that is intended to be cast into a concrete element, such as a concrete panel. Engaged with the ferrule (10) is a washer assembly (22) that secures a plate (19) to the concrete element (16) for the purposes of securing the concrete element (16) to an adjacent concrete element (17). The washer assembly (22) has a threaded fastener (21) that can be adjusted angularly for engagement with the ferrule (10).
申请公布号 US2012222381(A1) 申请公布日期 2012.09.06
申请号 US201013509887 申请日期 2010.11.04
申请人 BURKE JOHN THOMAS;WALSH ALLAN;RBPSP PTY LTD. 发明人 BURKE JOHN THOMAS;WALSH ALLAN
分类号 E04B1/41;F16B35/06;F16B43/02 主分类号 E04B1/41
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