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US 5,553,347 AGranted
Upright vacuum cleaner
AssigneeMatsushita Electric Industrial Co., Ltd.
InventorsTakayuki Inoue, Masami Fukumoto, Izumi Yamaura
Life of this patent
Estimating the term…
Abstract
An upright vacuum cleaner has a floating function for lifting the upright vacuum cleaner in a cleaning operation by spouting discharge air flow to a floor to be cleaned, and at least a suction-air inlet port for sucking air with dusts is arranged at an outer portion of a bottom face of a floor nozzle unit of the upright vacuum cleaner.
Claims9
An upright vacuum cleaner comprising:
- a main body having a motor fan for generating a suction force, and a dust collection chamber for collecting dust,
- a floor nozzle unit, which is disposed under said main body, and provided for drawing in dust from a floor to be cleaned into said dust collection chamber by the suction force of said motor fan,
- a grip handle for moving said upright vacuum cleaner, and
- a floor-opposing face located on the floor nozzle unit having an outlet port positioned to direct a discharge air flow from said motor fan to said floor to elevate said upright vacuum cleaner from said floor, and at least one inlet port arranged to at least substantially encircle said outlet port of said floor-opposing face to draw air with dust into said dust collection chamber through a suction air path, said at least one inlet port being arranged at an outer portion of said floor-opposing face and having one of a stepped face and a sloped face along an inner edge of said at least one inlet port.
1 more element
Dependencies are inferred from the claim text.