Cleaner head for a cleaning appliance

Details Cleaner head for a cleaning appliance Cleaner head for a cleaning appliance

2006-01-09

2009-10-20

Redding, David A (Department: 3723)

Brushing, scrubbing, and general cleaning

Machines

With air blast or suction

C015S377000, C015SDIG010

Reexamination Certificate

active

07603745

ABSTRACT:
A cleaner head for a cleaning appliance includes a dirt and dust separating apparatus, a motor configured to drive a fan for generating suction air flow and a selectively-operable switch for energizing the motor and cleaner head. The cleaner head has a drivable agitator in the form of a brush bar and a dedicated motor. When the main vacuum motor is switched on, the brush bar motor is energized so that the brush bar is automatically driven on start-up of the cleaner. This enables the superior cleaning performance achievable with a brush bar to be automatically achieved, without the user having to remember to select operation of the brush bar.

REFERENCES:
patent: 4099291 (1978-07-01), Bowerman
patent: 4987637 (1991-01-01), Zummer et al.
patent: 6351872 (2002-03-01), McCormick
patent: 2002/0124346 (2002-09-01), Steiner et al.
patent: 2004/0134014 (2004-07-01), Hawkins et al.
patent: 0 437 734 (1991-07-01), None
patent: 2 401 309 (2004-11-01), None
patent: 2 402 608 (2004-12-01), None
UK Search Report dated Apr. 21, 2005, directed at counterpart GB application No. 0500990.7.

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