Floor cleaner

Details Floor cleaner Floor cleaner

2006-08-04

2008-10-28

Thomas, David B (Department: 3723)

Brushing, scrubbing, and general cleaning

Machines

With air blast or suction

C015S416000

Reexamination Certificate

active

07441305

ABSTRACT:
The invention is directed to a floor cleaner apparatus, such as a vacuum cleaner, including a housing have a particle retaining element and a head operably connected to the housing. The head features an intake port through which dirt and other particles enter the head and a motor and fan assembly that creates suction during operation. A passageway or duct extends between the intake port through the motor and fan assembly. Within the duct, an internal divider forms a plurality of discrete intake chambers wherein each chamber is in fluid communication with the intake port. A beater element, such as a rotatable cylinder with a brush, is positioned above the intake port and proximate the intake chambers. A chamber control mechanism is provided to sequentially apply suction through the various intake chambers to both focus and increase the suction applied to the floor and thereby increase the amount of dirt and particles removed by the cleaner.

REFERENCES:
patent: 3597903 (1971-08-01), Schaaf
patent: 4023234 (1977-05-01), Martinec et al.
patent: 4055870 (1977-11-01), Furutsutsumi
patent: 5123141 (1992-06-01), Erickson et al.
patent: 5477585 (1995-12-01), Hentzschel et al.
patent: 5987700 (1999-11-01), Edlund
patent: 6039817 (2000-03-01), Payne
patent: 6277164 (2001-08-01), Embree et al.
patent: 7124467 (2006-10-01), Hitzelberger et al.
patent: 2003/0188396 (2003-10-01), Hitzelberger et al.

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