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US 4,934,512 AGranted
Cleaning device for armrest belt conveyor of the electric escalator
OwnerHwang F. Lin, Se K. C. Wuinventors
Life of this patent
Estimating the term…
Abstract
An apparatus for cleaning an armrest belt conveyor of an escalator. The apparatus permits use of the escalator during cleaning. Preferably, excess cleaner can be scraped off from the conveyor and reused.
Claims14
An apparatus for cleaning an armrest belt conveyer of an escalator, said apparatus comprising:
- (A) a container for containing a supply of cleaning liquid, said container being dimensioned so as to fit beneath the armrest belt conveyer of the escalator at a lower front end of the armrest belt conveyer so as not to interfere with use of the escalator;
- and
- (B) a spreading device located within said container, said spreading device including:
- (a) a lower absorbent end for absorbing cleaning liquid upwardly from the supply of cleaning liquid;
- and
- (b) an upper end for spreading cleaning liquid onto the armrest belt conveyer during use of the escalator.
3 more elements
A cleaning system, comprising:
- an escalator with an armrest belt conveyor, said armrest belt conveyor having a lower front end;
- and
- an apparatus for cleaning said armrest belt conveyor of said escalator, said apparatus including:
- (A) a container for containing a supply of cleaning liquid, said container being dimensioned so as to fit beneath said armrest belt conveyor of said escalator at said lower front end of said armrest belt conveyor so as not to interfere with use of said escalator;
- and
- (B) a spreading device located within said container, said spreading device including:
- (a) a lower absorbent end for absorbing cleaning liquid upwardly from the supply of cleaning liquid;
- (b) an upper end for spreading cleaning liquid onto said armrest belt conveyor during use of said escalator.
5 more elements
Dependencies are inferred from the claim text.