Legless sign stand
作者： Samuel J. Bechtle , Frank G. Cain , Jack H. Kulp
DOI:
关键词: Planar 、 Structural engineering 、 Clamping 、 Natural rubber 、 Engineering 、 Support surface
摘要: A legless sign stand includes a rubber base having an upper planar surface and lower surface. first rigid member contacts the of base, second base. Both members are secured to with bolts. Two support brackets mounted member, mast is connected between two brackets. The accommodates clamping which adapted for onto portion highway traffic thereby above horizontal
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