Conveyors: power-driven – Conveyor or accessory therefor specialized to convey people – With means to facilitate passenger entry or exit
Patent
1979-04-24
1981-10-20
Valenza, Joseph E.
Conveyors: power-driven
Conveyor or accessory therefor specialized to convey people
With means to facilitate passenger entry or exit
198331, B65G 1500, B65G 914
Patent
active
042955564
ABSTRACT:
A passenger conveyor has a plurality of steps each including a treadboard provided with a number of cleats and grooves defined therebetween, the cleats being adapted to mesh with teeth of a comb-like plate at each terminal of the conveyor, and a frame to which the treadboard is secured; handrails adapted to run in synchronism with the travel of the steps; handrail frames disposed beneath the handrails; and balustrade panels. The treadboard is formed of a corrugated stainless steel sheet and is reinforced by at least one reinforcement member attached to the underside of the treadboard. The handrail frame is formed by first and second members both made of stainless steel sheets and having U-shaped cross-sections. The first and second members are welded together in back-to-back relationship so that the open side of the first member is directed toward the handrail while the open side of the second member is directed toward the balustrade panel.
REFERENCES:
patent: 1956154 (1934-04-01), Lindquist et al.
patent: 2033308 (1936-03-01), Shonnard
patent: 2210711 (1940-08-01), Dunlop
patent: 3049213 (1962-08-01), Fabula
Saito Cyuichi
Teranishi Katsuya
Bond Brian
Hitachi , Ltd.
Valenza Joseph E.
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