Title:
PRACTICAL KNIFE HAVING LOCKING STRUCTURE
Document Type and Number:
WIPO Patent Application WO/2020/107598
Kind Code:
A1
Abstract:
A practical knife having a locking structure. The practical knife comprises a housing (1), a knife frame (2), a blade (3), a pushing button (4), and a knife frame locking device (5); the front end of the housing (1) is provided with a blade stretchable port (11) which can be used for stretching and retracting the blade (3), and a sliding groove which can be used for moving the pushing button (4) is provided on the side surface of the housing (1); and the blade (3) is mounted in the housing (1) by means of the knife frame (2) in a matched manner, and the blade (3) is controlled to be stretched and retracted in the blade stretchable port (11) by means of the pushing button (4); the knife frame locking device (5) achieves stretching locking the blade (3) by locking the knife frame (2). The knife frame locking device is adopted for locking the knife frame, the stretchable movement of the blade is limited, and thus the locking of the blade is achieved, and it is guaranteed that when this product is used, the blade cannot automatically stretch and retract so as to influence the cutting work.
Inventors:
ZHOU XIAOGANG (CN)
Application Number:
PCT/CN2018/123372
Publication Date:
June 04, 2020
Filing Date:
December 25, 2018
Export Citation:
Assignee:
NINGBO HONGDI MEASURING TAPE IND CO LTD (CN)
International Classes:
B26B1/08; B26B5/00
Foreign References:
| US20110283542A1 | 2011-11-24 | |||
| US20110283542A1 | 2011-11-24 | |||
| CN204749686U | 2015-11-11 | |||
| CN106272568A | 2017-01-04 | |||
| CN202846541U | 2013-04-03 | |||
| CN202212970U | 2012-05-09 | |||
| US6192589B1 | 2001-02-27 |
Attorney, Agent or Firm:
DAN, SAMS & ASSOCIATES (CN)
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