Title:
ROLLING BRUSH AND VACUUM USING ROLLING BRUSH
Document Type and Number:
WIPO Patent Application WO/2019/210655
Kind Code:
A1
Abstract:
A rolling brush and a vacuum that uses the rolling brush, the rolling brush comprising a brush roller (11), the shaft center of the brush roller (11) being provided with an inner cavity (111); a peripheral side wall of the brush roller (11) is provided with a through hole (112), and the through hole (112) communicates with the inner cavity (111) of the brush roller (11); the inner cavity (111) is provided therein with a mandrel piece (12), the mandrel piece (12) comprises a mandrel body (121) and a scraping piece, and the scraping piece is provided on a peripheral side surface of the mandrel body (121); the mandrel piece (12) may rotate relative to the brush roller (11); a free end of the scraping piece is inserted into the through hole (112) and may extend past an outer surface of the brush roller (11), and the length of the scraping piece extending past the brush roller (11) changes along with the rotation of the mandrel body (121) relative to the brush roller (11).
Inventors:
CHEN SHANYI (CN)
WANG DEXU (CN)
LIAO HONGBIN (CN)
HUANG YUELIN (CN)
CHEN YONG (CN)
REN MIN (CN)
LI JI (CN)
ZHOU RONG (CN)
MENG DEHAO (CN)
WANG DEXU (CN)
LIAO HONGBIN (CN)
HUANG YUELIN (CN)
CHEN YONG (CN)
REN MIN (CN)
LI JI (CN)
ZHOU RONG (CN)
MENG DEHAO (CN)
Application Number:
PCT/CN2018/112194
Publication Date:
November 07, 2019
Filing Date:
October 26, 2018
Export Citation:
Assignee:
GREE ELECTRIC APPLIANCES WUHAN CO LTD (CN)
GREE ELECTRIC APPLIANCES INC ZHUHAI (CN)
GREE ELECTRIC APPLIANCES INC ZHUHAI (CN)
International Classes:
A47L9/04
Foreign References:
| CN108464771A | 2018-08-31 | |||
| JP4504163B2 | 2010-07-14 | |||
| JPH0449928A | 1992-02-19 | |||
| KR20160027782A | 2016-03-10 | |||
| CN107049152A | 2017-08-18 | |||
| EP1293159A1 | 2003-03-19 |
Attorney, Agent or Firm:
CCPIT PATENT AND TRADEMARK LAW OFFICE (CN)
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