发明名称 Concrete form supporting bracket
摘要 A form supporting bracket for supporting a concrete form including an upright form supporting member, a lower prop leg connected to the upright member, an upper prop leg connected to the upright member at one end and a slidable member at its other end. The slidable member cooperates with the lower prop leg to slide therealong and includes a plurality of angle slots which mate with a plurality of oppositely angled slots on the lower prop leg. The angle slots are selectively fixed relative to one another by an elongated member which can be driven into the ground.
申请公布号 US5076536(A) 申请公布日期 1991.12.31
申请号 US19900542264 申请日期 1990.06.22
申请人 FITZGERALD, LEONARD R. 发明人 FITZGERALD, LEONARD R.
分类号 E01C19/50;E04G13/06;E04G17/04;E04G17/14;(IPC1-7):E04G17/14 主分类号 E01C19/50
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