Conveyors: power-driven – Conveyor or accessory therefor specialized to convey people – With means to control the operation of the section
Patent
1978-01-05
1980-11-11
Nase, Jeffrey V.
Conveyors: power-driven
Conveyor or accessory therefor specialized to convey people
With means to control the operation of the section
198324, 198334, 198337, 198791, B65G 1307
Patent
active
042327768
ABSTRACT:
A variable speed walkway system capable of receiving passengers, accelerating them to above walking speed conveying them over a selected distance at a constant speed, and decelerating them for comfortable exiting is provided. In the preferred form, the system comprises a plurality of rollers driven by a prime mover through individual polyurethane belts to obtain acceleration and deceleration. In a second preferred form, the system comprises a variable speed drive employing one or more belts each of which drives a plurality of rollers. All rollers driven by a single belt accelerate or decelerate in unison. Acceleration and deceleration in this second embodiment is preferably computer controlled. A handrail which accelerates and decelerates with the walkway is provided for both embodiments.
REFERENCES:
patent: 1114621 (1914-10-01), Lewis
patent: 1908528 (1933-05-01), Milner
patent: 2769522 (1956-11-01), Pfeiffer
patent: 2905100 (1959-09-01), Kendall et al.
patent: 3518944 (1970-07-01), Patin
patent: 3601246 (1971-08-01), Dubois
patent: 3665863 (1972-05-01), Patin
patent: 3858870 (1975-01-01), Yabe et al.
Dean Research Corporation
Nase Jeffrey V.
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