Brushing – scrubbing – and general cleaning – Machines – With air blast or suction
Patent
1997-03-03
1999-07-06
Moore, Chris K.
Brushing, scrubbing, and general cleaning
Machines
With air blast or suction
15320, A47L 500
Patent
active
059183454
ABSTRACT:
An apparatus for cleaning a surface is described. The apparatus has a frame and a cleaning member with a brush that rotates on the frame to clean a floor. The apparatus also has main support wheels drive unit, and an auxiliary drive unit with an auxiliary wheel to improve the mobility of the apparatus.
REFERENCES:
patent: 3277511 (1966-10-01), Little et al.
patent: 4339841 (1982-07-01), Waldhauser et al.
patent: 4492002 (1985-01-01), Waldhauser et al.
patent: 5239720 (1993-08-01), Wood et al.
patent: 5383251 (1995-01-01), Whitaker et al.
patent: 5623743 (1997-04-01), Burgoon et al.
Koller Walter
Principe Rene
Diversey Lever Inc.
Moore Chris K.
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