Title:
A CLEANING BRUSH
Document Type and Number:
WIPO Patent Application WO/2009/065272
Kind Code:
A1
Abstract:
A cleaning brush is composed of a brush head(1), a main body(2) and a brush rod(3).
The brush head(1) is mounted on the main body(2), and a holding groove(23) is formed
in the main body(2) for inserting the brush rod(3). A rotating loop(24) is fixed
in the holding groove(23), location holes(25) are shaped at both sides of the
holding groove(23), pivots(242) are shaped at both sides of the rotating loop(24),
and the pivots(242) are wedged in the location holes(25). The end of the brush
rod(3) connecting with the main body(2) is sleeved in the rotating loop(24),
and a protruding block(301) is mounted on said end of the brush rod(3) so as to prevent
the brush rod(3) from departing from the rotating loop(24). Further the end of
the brush rod(3) connecting with the main body(2) is provided with outer thread,
a flute(22) is provided on the main body(2) for inserting the end of the brush rod(3)
with outer thread, and inner thread is provided in the flute(22) in order to cooperate
with the outer thread of the brush rod(3). Thread fit between the brush rod(3)
and the main body(2) urge both expanding orientation exactly, effectively and
expediently.
Inventors:
LIU DEXIN (CN)
Application Number:
PCT/CN2007/071108
Publication Date:
May 28, 2009
Filing Date:
November 21, 2007
Export Citation:
Assignee:
LIU DEXIN (CN)
International Classes:
A47L1/06; A46B15/00; A47L13/24; B25G1/04
Foreign References:
| US4114223A | 1978-09-19 | |||
| CN2764299Y | 2006-03-15 | |||
| US6990705B1 | 2006-01-31 | |||
| CN2079903U | 1991-07-03 | |||
| US6256829B1 | 2001-07-10 | |||
| JP2001238839A | 2001-09-04 | |||
| CN2337955Y | 1999-09-15 |
Attorney, Agent or Firm:
XIAMEN SHINHWA PATENT & TRADEMARK AGENCY CO., LTD. (Hubin East RoadXiamen, Fujian 4, CN)
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