Conveyors: power-driven – Conveyor or accessory therefor specialized to convey people – With means to control the operation of the section
Patent
1996-12-02
1998-09-22
Bidwell, James R.
Conveyors: power-driven
Conveyor or accessory therefor specialized to convey people
With means to control the operation of the section
198326, B65G 4300
Patent
active
058101470
ABSTRACT:
In an escalator or a moving sidewalk having a skirt panel and, a step or a walk path, defining a gap between the skirt panel and the step or the walk path, a passenger conveyor safety apparatus comprising a main body member having a recessed groove formed therein. A set of brushes residing in the recessed groove, protruding out from the main body member and extending past the gap for preventing an object from being entrapped in the gap.
REFERENCES:
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patent: 2846045 (1958-08-01), Fowler
patent: 3616891 (1971-11-01), Earle
patent: 3986595 (1976-10-01), Asano et al.
patent: 4397383 (1983-08-01), James
patent: 4519490 (1985-05-01), White
patent: 4629052 (1986-12-01), Kitamura
patent: 4669597 (1987-06-01), Langer et al.
patent: 5082102 (1992-01-01), Reichmuth
patent: 5242042 (1993-09-01), Mauldin
Metro Using Brushes on Escalator Gas Problem, Stephen C. Fehr Washington Post, Sep. 9, 1994.
Bidwell James R.
Greenberg Laurence A.
Lerner Herbert L.
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