A - Human Necessities – 47 – L
Patent
A - Human Necessities
47
L
A47L 11/30 (2006.01) A47L 9/04 (2006.01) A47L 9/28 (2006.01)
Patent
CA 2111715
Abstract 1. Vacuum cleaning tool with an electrically driven brush roller. 2.1 The invention relates to a vacuum cleaning tool for connection to the suction pipe of a vacuum cleaner with a brush roller arranged to rotate in a brush chamber, which roller is set in rotation by an electric motor. The bristles of the brush roller project through a suction opening in a base plate of the cleaning tool, which lies opposite the floor to be cleaned. 2.2 In order to prevent damage to a textile floor covering by the rotating brush of a stationary cleaning tool it is provided that the electric motor is connected to a speed regulator, which is controlled by a movement sensor by way of a recognition circuit and depending on the sensor signal, the electric motor can be switched off by the speed regulator. 2.3 Working apparatus with working tools rotating during the working movement.
Fetherstonhaugh & Co.
Firma Fedag
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