Brushing – scrubbing – and general cleaning – Machines – With air blast or suction
Patent
1993-02-18
1995-05-23
Moore, Christopher K.
Brushing, scrubbing, and general cleaning
Machines
With air blast or suction
15387, 15416, A47L 530
Patent
active
054169488
ABSTRACT:
A vacuum cleaning tool comprising a housing having a base that is provided with at least one intake opening over which is provided a brush chamber in which is disposed a brush roller having bristles that project into the intake opening. A flow channel connects the brush chamber to a connector that can communicate with a vacuum line of a vacuum cleaning unit. A turbine chamber is disposed in the flow channel and accommodates an air turbine that can rotatably drive the brush roller. The housing also has a wet intake opening that is disposed approximately in the plane of the base of the housing. Parallel to the brush chamber and the flow channel, the housing has a wet intake channel that connects the wet intake opening to the connector. Respective controllable flow blocking devices are disposed in the wet intake channel and in the flow channel.
REFERENCES:
patent: 2904816 (1959-09-01), Skolfield
patent: 2904817 (1959-09-01), Brennan
patent: 4426751 (1984-01-01), Nordeen
patent: 4951346 (1990-08-01), Salmon
patent: 5008973 (1991-04-01), Worwag
patent: 5088149 (1992-02-01), Berg et al.
patent: 5168599 (1992-12-01), Williams
patent: 5293665 (1994-03-01), Worwag
Firma Fedag
Moore Christopher K.
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