Vacuum cleaner having agitator performing linear translation

Details Vacuum cleaner having agitator performing linear translation Vacuum cleaner having agitator performing linear translation

2007-07-17

2010-10-12

Nguyen, Dung Van (Department: 3723)

Brushing, scrubbing, and general cleaning

Machines

With air blast or suction

C015S380000, C015S363000

Reexamination Certificate

active

07810211

ABSTRACT:
A vacuum cleaner is provided that includes a vacuum cleaner main body having a suction pump, a suction nozzle portion that sucks impurities by a suction force supplied by the suction pump, a suction passage that connects the suction nozzle portion to the suction pump, an agitator installed at the suction passage, and a driving device that makes the agitator perform a linear translation. As the agitator is formed narrow and long, a bottom surface of the suction nozzle portion may maintain a small suction area. Therefore the vacuum cleaner attains a high surface pressure which is an advantage of an ordinary type suction nozzle portion, and a high drag coefficient of impurities which is an advantage of a brush type suction nozzle portion.

REFERENCES:
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patent: 4069541 (1978-01-01), Williams et al.
patent: 5901411 (1999-05-01), Hato et al.
patent: 6539575 (2003-04-01), Cohen
patent: 1163740 (1997-11-01), None
patent: 0786228 (1997-07-01), None
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patent: 2003-276332 (2003-09-01), None
patent: 20-0399761 (2005-10-01), None
patent: 10-2006-0008729 (2006-01-01), None
patent: WO 01/01819 (2001-11-01), None
Chinese Office Action dated Feb. 6, 2009.
European Search Report dated Nov. 19, 2007.

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