B - Operations – Transporting – 66 – B
Patent
B - Operations, Transporting
66
B
198/3
B66B 23/12 (2006.01)
Patent
CA 1144508
ABSTRACT OF THE DISCLOSURE This invention consists of a demarkation strip for an escalator step having front-to-back tread grooves formed therein which comprises an elongated body of extruded plastics material having, in cross-section, a leg proportioned to provide an interference fit within said tread grooves and a head portion extending across an upper end of the leg to form shoulders at opposite sides of the leg arranged to support the strip on a step with the leg located within a tread groove, said head portion having oppositely disposed side edges at opposite sides of the leg and an upper face extending between said side edges, at least a portion of said upper face being angularly inclined upwardly and inwardly from a first of said side edges of said head portion, said body having a front end and a back end, said head portion having a front face and back face at the front and back ends of the body, respectively, said front face being forwardly and upwardly inclined and said back face being rearwardly and upwardly inclined by the front and back faces of successive demarkation rails may overlie and nest with one another in use along a substantially flat run of an escalator.
386954
Canadian Escalator & Elevator Service Co. Ltd.
Fetherstonhaugh & Co.
LandOfFree
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