B - Operations – Transporting – 66 – B
Patent
B - Operations, Transporting
66
B
198/2
B66B 21/06 (2006.01)
Patent
CA 1202265
ABSTRACT: A curvilinear escalator comprises, in combination: a main frame having an arcuate shape in the horizontal plane of projection and disposed in inclined condition, the main frame having a forwarding way formed on the top surface side thereof, a turning section at one distal end part of the main frame in the longitudinal direction thereof, and a return way on the bottom surface side thereof to thereby construct an endless conveying path; a plurality of steps continuously disposed in the conveying path and guided therealong, each of the steps being in a sector shape; a pair of step chains disposed at both sides of the steps on the edge part in the breadthwise direction thereof and provided along the conveying path, the each step chain being constructed with joint pieces, each of which is engaged with the end part of a step shaft disposed in each of the steps in the breadthwise direction thereof, and link members with one end part thereof being connected with one end part of the joint piece and to bring the adjacent pieces into mutually connected state; and a spherical joint interposed between the step shaft and the link member.
448963
Marks & Clerk
Mitsubishi Denki Kabushiki Kaisha
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