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Title:
VACUUM CLEANER
Document Type and Number:
WIPO Patent Application WO/2022/045680
Kind Code:
A1
Abstract:
A vacuum cleaner is disclosed. The vacuum cleaner comprises: a suction nozzle comprising a rotating cleaner positioned in the front of a suction port; and a cleaner body generating a suction force. A spiral first flow path is formed on the outer peripheral surface of the rotating cleaner. A fluffy covers the outer peripheral surface of the rotating cleaner except for the first flow path. The first flow path on the rotating cleaner is formed in a single line. If the suction nozzle comes into contact with a wall surface and is unable to move forward, the front space of the suction nozzle can communicate with the suction port via the first flow path, and thus foreign materials such as dust can be effectively sucked in from the edge of the wall surface.

Inventors:
KO MOO HYUN (KR)
WOO NAM IL (KR)
RYOU KYOUNG HO (KR)
BAK HAE RIM (KR)
KIM YOUNG SOO (KR)
Application Number:
PCT/KR2021/011112
Publication Date:
March 03, 2022
Filing Date:
August 20, 2021
Export Citation:
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Assignee:
LG ELECTRONICS INC (KR)
International Classes:
A47L5/24; A47L9/04; A47L9/22; A47L9/24; A47L9/28; G01B11/02
Foreign References:
KR101903238B12018-10-01
KR101331684B12013-11-20
JP2009268684A2009-11-19
JP2019063354A2019-04-25
KR200419038Y12006-06-16
KR101248733B12013-03-28
KR101903238B12018-10-01
Attorney, Agent or Firm:
NAM & NAM (KR)
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