Vacuum cleaning tool with electrically driven brush roller

Details Vacuum cleaning tool with electrically driven brush roller Vacuum cleaning tool with electrically driven brush roller

1993-12-17

1996-09-03

Moore, Chris K.

Brushing, scrubbing, and general cleaning

Machines

With air blast or suction

15339, A47L 928

Patent

active

055511198

ABSTRACT:
A vacuum cleaning tool for connecting to a suction tube of a vacuum cleaning device according has a casing with a bottom plate facing a floor surface to be cleaned. A brush chamber is enclosed within the casing. A brush roller having bristles is rotatably supported within the brush chamber. An electric motor drives the brush roller. The bottom plate has a suction opening through which the bristles of the brush roller extend. A speed regulator is connected to the electric motor. A movement sensor for controlling the speed regulator is provided, wherein the electric motor is switched off by the speed regulator as a function of a signal emitted by the movement sensor. A first recognition circuit is connected between the movement sensor and the speed regulator.

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