Muffler assembly for a bagless vacuum cleaner

Details Muffler assembly for a bagless vacuum cleaner Muffler assembly for a bagless vacuum cleaner

2007-01-09

2007-01-09

Till, Terrence R. (Department: 1744)

Brushing, scrubbing, and general cleaning

Machines

With air blast or suction

C015S351000, C015S353000

Reexamination Certificate

active

10417846

ABSTRACT:
An upright vacuum cleaner having a muffler system is disclosed. The upright vacuum cleaner includes a carpet engaging nozzle base and an upper housing pivotally connected to the nozzle base. The upright vacuum cleaner further includes a dirt cup removably secured to the upper housing and having an inlet in fluid communication with the nozzle base and an exit. The upright vacuum cleaner yet further includes a motor/fan unit fluidly connected to the dirt cup exit and positioned proximate to a pivot axis between the base and the upper housing. The upright vacuum cleaner still further includes an expansion chamber defined at least partially by the upper housing and a vertical wall of the dirt cup when the dirt cup is in an operational position relative to the housing. The motor/fan units draws air from the dirt cup exit and directs air toward the expansion chamber. A method of operating an upright vacuum cleaner is also disclosed.

REFERENCES:
patent: 2021298 (1935-11-01), Axel
patent: 3218783 (1965-11-01), Ripple
patent: 5289612 (1994-03-01), Glenn, III
patent: 5560075 (1996-10-01), Jankowski
patent: 5961676 (1999-10-01), King et al.
patent: 6558453 (2003-05-01), Sepke et al.
patent: 6735818 (2004-05-01), Hamada et al.
patent: 6775882 (2004-08-01), Murphy et al.
patent: 2001/0039692 (2001-11-01), Wright et al.
patent: 2002/0073663 (2002-06-01), Sepke et al.
patent: 2002/0166200 (2002-11-01), Conrad et al.
patent: 2002/0194695 (2002-12-01), Stephens et al.
patent: 2003/0121121 (2003-07-01), Nakai et al.
patent: 2004/0010885 (2004-01-01), Hitzelberger et al.
patent: 2004/0034962 (2004-02-01), Thur et al.
patent: 2004/0088819 (2004-05-01), Hafling et al.
patent: 2004/0205928 (2004-10-01), Alford et al.

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