Brushing – scrubbing – and general cleaning – Machines – With air blast or suction
Patent
1997-10-14
1999-05-04
Moore, Chris K.
Brushing, scrubbing, and general cleaning
Machines
With air blast or suction
15322, 15375, A47L 700
Patent
active
058989706
ABSTRACT:
A grout- and hard-surface cleaner has a water-blast nozzle (5) positioned on a cleaning enclosure (1) to direct a high-pressure and low-volume jet stream of water (36, 37) and optional cleaning material at an attitude onto a surface (4) being cleaned. Resilient and preferably rubberlike surfaces (14) are provided on bottom portions (2) of walls of the cleaning enclosure to facilitate sliding-seal contact with the cleaning enclosure and to provide sliding ease of movement with water and optional cleaning fluid to provide lubricity between the surface being cleaned and the bottom edges of the cleaning enclosure. A wet-vacuum suction tube (12) positioned on a top suction portion (3) of the cleaning enclosure provides low-pressure and high-volume suction pressure that is that provides a level of suction for sliding-seal contact of the cleaning enclosure against the surface being cleaned. An adjustable air control valve (21, 26) in the wall of the cleaning enclosure directly communicates open interior volume of the cleaning enclosure with the outside ambient air to obtain an optimum balance between suction force and water-blast force. Appropriate handling and control means are also provided.
REFERENCES:
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patent: 4984328 (1991-01-01), Berfield
patent: 5125126 (1992-06-01), Bonnant
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patent: 5180439 (1993-01-01), Allison
patent: 5343591 (1994-09-01), Clark
Livingston, Esq. Edward M.
Moore Chris K.
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