Escalator sweeping mechanism

Details Escalator sweeping mechanism Escalator sweeping mechanism

1986-11-24

1987-12-01

Moore, Chris K.

Brushing, scrubbing, and general cleaning

Machines

With air blast or suction

152565, 15354, A47L 538

Patent

active

047094419

ABSTRACT:
A sweeper assembly for use with escalators includes a frame having a pivoted end structure on which a weighted bar is fixed to press a polishing pad adjacent a bristle element against the moving surfaces of the escalator. A vacuum cleaner is then rendered operative to draw the debris thus loosened into a nozzle deployed adjacent the bristle element.

REFERENCES:
patent: 2060491 (1936-11-01), Dunlip
patent: 3273193 (1966-09-01), Soderholm et al.
patent: 3584329 (1971-06-01), Cravits
patent: 3869749 (1975-03-01), London et al.
patent: 4514872 (1985-05-01), Hopkins
patent: 4664719 (1987-05-01), Mizutani

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