Escalator cleaning device

Details Escalator cleaning device Escalator cleaning device

1989-04-13

1991-06-25

Roberts, Edward L.

Brushing, scrubbing, and general cleaning

Attachments

Moving surface scraper, wiper, or brush

15160, 15246, 198496, A46B 1500

Patent

active

050255274

ABSTRACT:
An escalator cleaning device is disclosd having a brush adapted to cover the tread of an escalator and a frame for supporting the brush. The cleaning device is further constructed so that the frame can engage the side walls of an escaltor in order to support the cleaning device in place during use.

REFERENCES:
patent: 870633 (1907-11-01), Lewis
patent: 1028527 (1912-06-01), Ballard
patent: 3869749 (1975-03-01), London et al.
patent: 4514872 (1985-05-01), Hopkins
patent: 4664719 (1987-05-01), Mizutani

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