Brushing – scrubbing – and general cleaning – Machines – With air blast or suction
Patent
1997-11-07
2000-04-11
Moore, Chris K.
Brushing, scrubbing, and general cleaning
Machines
With air blast or suction
15320, 15245, 15420, A47L 906
Patent
active
060474378
ABSTRACT:
A squeegee assembly which includes a laterally elongated cover body, one pair of flexible front and rear blades forwardly/backwardly spacedly arranged in parallel relation on the cover body, and a blower for applying a sucking function to an interval between the pair of blades so that a dirty liquid gathered by the one pair of flexible blades is sucked up from a floor surface for collection, wherein a lower side portion of the front side flexible blade is bent horizontally towards the rear side flexible blade thereby to form a contacting surface, a distal end side thereof is raised such that a small opposing space is formed between the rear side flexible blade and the front side flexible blade and secured to the cover body side, thereby defining a suction chamber, on which the sucking force of the blower is prevailed, at a lower side of the cover body, a plurality of concave or wedge-shaped guide grooves are formed in a bottom surface of the horizontally bent contacting surface, and a dirty liquid sucking cavity for intercommunicating the suction chamber and the opposing space is formed in a surface of the raised portion.
REFERENCES:
patent: 930134 (1909-08-01), Blackall
patent: 3571841 (1971-03-01), Crouser
patent: 4817233 (1989-04-01), Waldhauser
patent: 5280666 (1994-01-01), Wood et al.
patent: 5911260 (1999-06-01), Suzuki
Amano Corporation
Moore Chris K.
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