发明名称 Frame structure
摘要 A frame structure having collapsed and erected conditions and comprising a plurality of rigid frame sections (21) hingedly connected one to another by hinges (23). An erection means is provided for effecting relative pivotal movement between the frame sections to erect the frame structure. The erection means comprises at least one cable (39) having one end thereof connected to one of the outer frame sections (21a) and the other end thereof fixed to a power device (40) connected to the other outer frame section (21a) whereby operation of the power device to tension the cable effects movement of the outer frame sections in a direction towards each other.
申请公布号 US5309693(A) 申请公布日期 1994.05.10
申请号 US19920929263 申请日期 1992.08.12
申请人 HARDING, LEWIS R. 发明人 HARDING, LEWIS R.
分类号 E04B1/32;E04B1/342;E04B1/35;(IPC1-7):E04B1/32;E04C3/10;E04G21/14 主分类号 E04B1/32
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