Title:
A TELESCOPIC KNIFE WITH A CONTROLLABLE LENGTH
Document Type and Number:
WIPO Patent Application WO/2008/071118
Kind Code:
A1
Abstract:
A telescopic knife with a controllable length includes a combined or integrated handle (1) and a blade (3) which can expand and contract in the handle's sliding groove, and a blade-pushing handle (8). The part extending out of the knife is the knife-protecting end (2'), a blade limiting baffle (4) which limits the protruding length of the blade is set at the top of the knife-protecting end. As a daily cutting tool which is specially suitable for cutting, paper-cutting and pencil-truncating, the knife is safer and easier to operate, the handle also can be repeatedly used and the blade is changeable.
Inventors:
YU ZUSHENG (CN)
Application Number:
PCT/CN2007/071199
Publication Date:
June 19, 2008
Filing Date:
December 06, 2007
Export Citation:
Assignee:
YU ZUSHENG (CN)
International Classes:
B26B1/08
Foreign References:
| JP2004057537A | 2004-02-26 | |||
| CN2732444Y | 2005-10-12 | |||
| JP2004141251A | 2004-05-20 | |||
| JP2003164678A | 2003-06-10 | |||
| JP2005185801A | 2005-07-14 | |||
| JP2000014938A | 2000-01-18 | |||
| CN2916541Y | 2007-06-27 | |||
| CN200981239Y | 2007-11-28 | |||
| CN101007408A | 2007-08-01 |
Attorney, Agent or Firm:
WUHAN KAIYUAN PATENT AGENT LTD. (Jiefang Avenue, Wuhan Hubei 6, CN)
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