B - Operations – Transporting – 66 – B
Patent
B - Operations, Transporting
66
B
198/2
B66B 23/14 (2006.01)
Patent
CA 1121297
16 48,027 ABSTRACT OF THE DI CLOSURE An escalator including an endless belt and a plurality of steps attached thereto. The endless belt and steps are guided about a loop which includes load bearing and return runs for the steps, by guide wheels rotatably mounted on a common side of the endless belt, and a guide track. The guide wheels and guide track cooperatively define the first and second yieldable guide points, and first and second non-yieldable guide points, which func- tion at different levels of side thrust forces on the endless belt.
344425
Mcconnell And Fox
Westinghouse Electric Corporation
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