Vacuum cleaner having suction/exhaustion switch

Details Vacuum cleaner having suction/exhaustion switch Vacuum cleaner having suction/exhaustion switch

2007-05-08

2007-05-08

Snider, Theresa T. (Department: 1744)

Brushing, scrubbing, and general cleaning

Machines

With air blast or suction

C015S330000, C015S331000

Reexamination Certificate

active

10739331

ABSTRACT:
A vacuum cleaner includes a body having a suction motor for generating a suction force, a filter for filtering dust sucked in by the suction motor, and an outlet for exhausting air which has been filtered by the filter. A suction head is provided at one side of the body for sucking dust and a suction/exhaustion switch is installed between the body and the suction head. The suction head includes a channel switching valve assembly installed at a lateral surface of the body, a head side suction hose connected between the channel switching valve assembly and the suction head and a body side suction hose connecting the body and the channel switching valve assembly. A suction/exhaustion hose is connected to the channel switching valve assembly for exhausting a part of the exhaustion air exhausted through the outlet to the outside of the body or for sucking dust through the channel switching valve assembly.

REFERENCES:
patent: 2227302 (1940-12-01), Edstrom
patent: 3238556 (1966-03-01), Martin
patent: 3605786 (1971-09-01), Machin, Jr.
patent: 4663799 (1987-05-01), Kiyooka
patent: 5243733 (1993-09-01), Steiner et al.
patent: 5355549 (1994-10-01), Steinberg et al.
patent: 2002/0108207 (2002-08-01), Oohama
patent: 2004/0250373 (2004-12-01), Rew et al.
patent: 2001-037683 (2001-02-01), None
patent: 2001-198054 (2001-07-01), None
patent: 10-2001-0065093 (2001-07-01), None
patent: 0065093 (2001-07-01), None
English language Abstract of JP 2001-037683.
English language Abstract of JP 2001-198054.
Englidh language Absrtact of KR 10-2001-0065093.

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