E - Fixed Constructions – 01 – F
Patent
E - Fixed Constructions
01
F
94/13, 116/46
E01F 13/00 (2006.01) E01F 9/047 (2006.01) E01F 9/093 (2006.01)
Patent
CA 1061192
RETRACTABLE SAFETY SPEED BUMP Abstract of the Disclosure - A permanently installed speed bump or warning device for motorists is particularly adaptable for usage at school crossings and the like. The structure has an active use position above the road surface for deterring and warning drivers and is easily retractable to a nested position wherein a flat surface flush with the roadway is provided so as to allow the smooth passage of vehicles over the device. A convenience tool is provided for moving the device from its active to its inactive positions, and vice-versa.
270509
Turner John H.
Turner William
Turner John H.
Turner William
LandOfFree
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