Apparatus for cleaning windowpanes

Details Apparatus for cleaning windowpanes Apparatus for cleaning windowpanes

1987-04-21

1989-01-31

Coe, Philip R.

Brushing, scrubbing, and general cleaning

Machines

Wiping

15302, 15 50R, A47L 100

Patent

active

048006076

ABSTRACT:
An apparatus for cleaning windowpanes of a building comprises a unit suspended from the roof of the building and being capable of ascending and descending along the building. An opening portion is formed in the front portion of the unit and a cleaning head is provided in this opening portion. The cleaning head can be adjusted in its position and can be accurately positioned against a windowpane to be cleaned by reducing a relative velocity of a scraper attached to the cleaning head to zero by ascending the cleaning head while the unit is descending. The scraper and a rotary disc for sprinkling water are secured to a movable member provided in the cleaning head. The scraper can not only approach and withdraw from the windowpane but also incline with respect to the windowpane. An air curtain is formed below the scraper so as to guide soiled water left after wiping of the windowpane by the scraper into a soiled water collection portion.

REFERENCES:
patent: 1489799 (1924-04-01), Tiscornia
patent: 3454976 (1969-07-01), Kijinski
patent: 3461476 (1969-08-01), North
patent: 3795930 (1974-03-01), Leifheit
patent: 3999242 (1976-12-01), Maruyama
patent: 4025984 (1977-05-01), Hoener

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