Blocker door for an agitator duct of a vacuum cleaner

Details Blocker door for an agitator duct of a vacuum cleaner Blocker door for an agitator duct of a vacuum cleaner

2006-06-06

2006-06-06

Till, Terrence R. (Department: 1744)

Brushing, scrubbing, and general cleaning

Machines

With air blast or suction

Reexamination Certificate

active

07055211

ABSTRACT:
A blocker door assembly is disclosed. The blocker door assembly includes a carpet engaging nozzle base and a nozzle opening positioned in the base. The blocker door assembly further includes a rotating agitator positioned in the nozzle opening and an outlet duct in fluid communication with the nozzle opening. The blocker door assembly yet further includes a motor/fan assembly in fluid communication with the duct. The blocker door assembly further includes a blocker door adapted to slide between a open position which places the nozzle opening in fluid communication with the motor fan unit and a closed position which blocks fluid communication between the nozzle opening and the motor fan unit. A method of operating a vacuum cleaner is also disclosed.

REFERENCES:
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patent: 2001/0049855 (2001-12-01), Massaro
patent: 2002/0092120 (2002-07-01), Vystrcil et al.
patent: 2003/0005546 (2003-01-01), Bone

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