Title:
AN EXTENSION SUCKER FOR A CLEANER
Document Type and Number:
WIPO Patent Application WO/2007/028286
Kind Code:
A1
Abstract:
An extension sucker for a cleaner, including an outer tube and an inner tube. A
position sleeve is mounted on the inner wall of the outer tube. The inner tube is
inserted into the position sleeve. A guiding groove and a locating slot are set
in the inner tube. In the inner wall of the position sleeve is there a guiding rib
which is embeded into the guiding groove. A lock block is positioned in the locating
slot. There is a raised stage with a slide way on the position sleeve, there is a
bump on the outer tube, and the raised stage is included in the bump. An opening
is arranged in the slide way for allowing the lock block come out. The lock block
is fixed on the front end of wane-like locating piece. In the slide way is there
a slide block for pressing the lock block. A spring is arranged between the front
end of the slide block and the front end surface of slide way. An inclined surface
is positioned on the rearside of underside of the slide plate. There is an opening
in the bump, a push key is positioned outside the bump, and the slide block and the
push key are connected by a connection block embeded in the opening.
Inventors:
WU YONGLONG (CN)
Application Number:
PCT/CN2005/002065
Publication Date:
March 15, 2007
Filing Date:
December 01, 2005
Export Citation:
Assignee:
WU YONGLONG (CN)
International Classes:
A47L9/24
Foreign References:
| US6431607B1 | 2002-08-13 | |||
| DE4228935A1 | 1993-04-15 | |||
| CN1543906A | 2004-11-10 | |||
| CN1141910C | 2004-03-17 | |||
| CN2495251Y | 2002-06-19 |
Attorney, Agent or Firm:
SUZHOU CREATOR PATENT & TRADEMARK AGENCY LTD. (No. 979 Renmin Roa, Suzhou Jaingsu 2, CN)
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