E - Fixed Constructions – 01 – F
Patent
E - Fixed Constructions
01
F
20/108.1
E01F 13/00 (2006.01) E01F 15/00 (2006.01)
Patent
CA 1102086
ABSTRACT A post designed for sign or guide marker use having sufficient long- itudinal rigidity to withstand a force driving it into the ground and sufficient elastic character to permit nondestructive deformation upon impact by a moving object, with subsequent restoration to an original, upright position. Various construction materials and/or structural configurations are disclosed for obtain- ing this dual character without incurring high production and material cost. By employing a structural configuration whose moment of inertia decreases due to deformation at a cross section, post flexibility improves to preclude sheering during impact.
365052
Carsonite International Corporation
Smart & Biggar
LandOfFree
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