Title:
VACUUM CLEANER
Document Type and Number:
WIPO Patent Application WO/2021/029654
Kind Code:
A1
Abstract:
Disclosed is a vacuum cleaner. The vacuum cleaner includes: a cleaner main body configured to generate suction force; and a suctioner including a head having a suction inlet to suck dust by the suction force and a brush drum rotatably provided in the suction inlet to sweep dust on a floor. The brush drum includes convex portions projected from an outer circumferential surface of the brush drum and spirally extended in a rotational axial direction of the brush drum.
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Inventors:
KIM TAEGWANG (KR)
HA DONGWOO (KR)
KWON KIHWAN (KR)
KIM KYOUNGWOUNG (KR)
HONG SEOKMAN (KR)
HA DONGWOO (KR)
KWON KIHWAN (KR)
KIM KYOUNGWOUNG (KR)
HONG SEOKMAN (KR)
Application Number:
PCT/KR2020/010638
Publication Date:
February 18, 2021
Filing Date:
August 12, 2020
Export Citation:
Assignee:
SAMSUNG ELECTRONICS CO LTD (KR)
International Classes:
A47L9/04; A46B9/02; A46B9/06; A46B13/00; A47L9/00
Domestic Patent References:
| WO2019093655A1 | 2019-05-16 |
Foreign References:
| US20190000289A1 | 2019-01-03 | |||
| US20160278595A1 | 2016-09-29 | |||
| JP2007282880A | 2007-11-01 | |||
| US20150335220A1 | 2015-11-26 | |||
| JPH0716182A | 1995-01-20 | |||
| GB2491738A | 2012-12-12 | |||
| US1907642A | 1933-05-09 | |||
| RU2364310C1 | 2009-08-20 |
Other References:
See also references of EP 3945975A4
Attorney, Agent or Firm:
HUH, Sung-Won et al. (KR)
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