Brushing – scrubbing – and general cleaning – Machines – With air blast or suction
Patent
1975-04-09
1976-11-23
Moore, Christopher K.
Brushing, scrubbing, and general cleaning
Machines
With air blast or suction
15322, 15364, 15369, 15401, A47L 700
Patent
active
039927474
ABSTRACT:
An improved tool is disclosed for cleaning hard surface floors. The tool includes a scrubbing block which is pivotally mounted on the lower end of a handle that may be manipulated by a person standing by the tool. A housing is mounted about the scrubbing block and is connected with the scrubbing block by leaf springs so as to permit the housing to "float" with respect to the scrubbing block. The housing includes a bottom surface and curved, generally transverse, front and rear channels that are disposed adjacent to the front and rear of the housing, that are open to the floor, and that are connected with a vacuum conduit. Squeegee blades are disposed in the channels and are carried therein by support members pivotally mounted on the housing. The support members include a plurality of depending feet which support the housing so that its bottom surface is above the floor to be cleaned. Links interconnect the ends of the support members whereby when the tool is moved in a forward direction, transverse to the channels, the lower edge of the squeegee blade in the front channel is disposed slightly above the floor while the lower edge of the squeegee blade in the rear channel is held in contact with the floor and whereby when the tool is moved in a rearward direction, transverse to the channels, the lower edge of the squeegee blade in the rear channel is disposed slightly above the floor while the lower edge of the squeegee blade in the front channel is held in contact with the floor.
REFERENCES:
patent: 965315 (1910-07-01), Moorhead
patent: 2177987 (1939-10-01), Kelly
patent: 3599272 (1971-08-01), Merrick
Moore Christopher K.
Service Master Industries Inc.
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