Conveyors: power-driven – Conveyor or accessory therefor specialized to convey people – Moving hand-support structure
Patent
1990-09-20
1991-07-23
Valenza, Joseph E.
Conveyors: power-driven
Conveyor or accessory therefor specialized to convey people
Moving hand-support structure
B66B 2322
Patent
active
050336070
ABSTRACT:
The newel guide for an escalator or moving walkway is formed from a curvilinear self-lubricating plastic cage which serves as a race for a plurality of steel ball bearings. The ball bearings are freely rotatable in appropriate recesses formed in the plastic cage, and the handrail inner surface contacts the ball bearings and slides over them around the newel.
REFERENCES:
patent: 2632550 (1953-03-01), Panter
patent: 2669339 (1954-02-01), Hansen
patent: 3283878 (1966-11-01), Rissler
patent: 3442367 (1969-05-01), Van Voorhis
patent: 3595364 (1971-07-01), Schoneweiss et al.
patent: 3623589 (1971-11-01), Johnson et al.
patent: 4273232 (1981-06-01), Saito et al.
patent: 4934506 (1990-06-01), Rivera
Jones William W.
Nguyen Tuan N.
Otis Elevator Company
Valenza Joseph E.
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