Brushing – scrubbing – and general cleaning – Machines – With air blast or suction
Patent
1979-07-18
1981-06-02
Moore, Christopher K.
Brushing, scrubbing, and general cleaning
Machines
With air blast or suction
15322, A47L 1138
Patent
active
042702380
ABSTRACT:
The improved cleaning tool disclosed herein is particularly designed for cleaning walls and ceilings. The tool includes a novel block assembly that is mounted on an end of a wand adapted to be held and manipulated by the person doing the cleaning and that includes one surface adapted to be disposed adjacent to the wall or ceiling to be cleaned during the cleaning operation. Two continous rows of channel bristles are mounted on the one surface of the block assembly and extend across the one surface, in a direction transverse to the normal, back and forth path of motion of the block assembly while in usage. The block assembly includes a plurality of nozzles that are designed to wet the rows of channel bristles with cleaning fluid so that the cleaning fluid will flow to the distal ends of the bristles and then be applied, as a thin film, to the wall or ceiling to be cleaned. Vacuum suction slots are disposed between the rows of channel bristles. A uniform flow of air is drawn into the vacuum suction slots, at a relatively high velocity, and this air flow extracts or removes the cleaning fluid applied to the wall or ceiling to be cleaned from the wall or ceiling almost immediately after its application onto the wall or ceiling.
REFERENCES:
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patent: 2531370 (1950-11-01), Thompson
patent: 2822565 (1958-02-01), Dow
patent: 2867835 (1959-01-01), Brown et al.
patent: 2941233 (1960-06-01), Prong
patent: 3591889 (1971-07-01), Wisner
patent: 3902219 (1975-09-01), Jones
Blomgren Roland A.
Shallenberg Robert L.
Moore Christopher K.
Service Master Industries Inc.
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