| 摘要 |
civil engineering. SUBSTANCE: the frame has a supporting strut, the first connecting supporting member fastened in the middle point of the supporting strut, the second connecting supporting member or members fastened in the upper or lower point or in both of them of the supporting strut, one or several transverse members connected to the lateral part of the supporting strut rigidly, detachably or for turning, and a coupler fastened on the remote end of transverse member, whose vertical position corresponds to the vertical position of the first or second connecting supporting member. EFFECT: enhanced field of application, excellent mounting characteristics, simplified assembly and disassembly. 6 cl, 32 dwg |
