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Patent Searching and Data


Title:
SELF-PROPELLED VACUUM CLEANER
Document Type and Number:
WIPO Patent Application WO/2019/043938
Kind Code:
A1
Abstract:
[Problem] To provide a self-propelled vacuum cleaner that can be reduced in size and load by simplifying the structure of periphery cleaning means. [Solution] A self-propelled vacuum cleaner (1) includes a vacuum cleaner main body (2) having a wheel (121) for enabling self-propulsion of the self-propelled vacuum cleaner (1), and a rotary cleaning portion (3) capable of suction-cleaning of a periphery of the vacuum cleaner main body (2). The rotary cleaning portion (3) includes an arm (21) capable of rotating outward from the vacuum cleaner main body (2), a suction port (74) provided on the arm (21) to suction dust and the like on a floor surface, a rotation support portion (61, 144) rotatably supporting the arm (21) on the vacuum cleaner main body (2), and a suction path (66) provided along a rotation axis of the rotation support portion (61, 144) and connecting the inside of the arm (21) and a sub-duct (143) to each other.

Inventors:
FURUTA TAKAYUKI (JP)
TOMONO MASAHIRO (JP)
YAMATO HIDEAKI (JP)
YOSHIDA TOMOAKI (JP)
SHIMIZU MASAHARU (JP)
OKUMURA YU (JP)
TODA KENGO (JP)
KODACHI TAKASHI (JP)
IRIE KIYOSHI (JP)
HARA YOSHITAKA (JP)
OGIHARA KAZUKI (JP)
Application Number:
PCT/JP2017/031741
Publication Date:
March 07, 2019
Filing Date:
September 04, 2017
Export Citation:
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Assignee:
CHIBA INSTITUTE OF TECH (JP)
International Classes:
A47L9/28
Domestic Patent References:
WO2009034817A12009-03-19
Foreign References:
JP2008149112A2008-07-03
JP2014108356A2014-06-12
JP2007299374A2007-11-15
JP2008279066A2008-11-20
Other References:
See also references of EP 3679848A4
Attorney, Agent or Firm:
FUKUI Hitoshi (JP)
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