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Patent Searching and Data


Title:
BUTTERFLY KNIFE BLADE REPLACEMENT STRUCTURE
Document Type and Number:
WIPO Patent Application WO/2021/036109
Kind Code:
A1
Abstract:
A butterfly knife blade replacement structure, comprising a blade insert sheath (1), a blade (2), a first handle (3) and a second handle (4); one end of the blade is inserted into the blade insert sheath, and a tail part of the blade is provided with recessed clamping grooves (5); the first handle and the second handle are symmetrically arranged on two sides of the blade insert sheath, and one end of both the first handle and the second handle are rotationally connected to the blade insert sheath by means of rotating shafts; one side of the blade insert sheath is provided with an opening (6), and a sliding block (7) is provided in the opening; one end of the sliding block is connected to the blade insert sheath, and the other end of the sliding block is clamped with the blade insert sheath, the inner side of the sliding block being provided with a fixed convex rib. The described structure makes blade replacement more convenient and faster.

Inventors:
SHE HAIFENG (CN)
Application Number:
PCT/CN2019/126534
Publication Date:
March 04, 2021
Filing Date:
December 19, 2019
Export Citation:
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Assignee:
SHE HAIFENG (CN)
International Classes:
B26B5/00; B25G1/10; B25G3/00; B26B1/02; B26B1/10
Foreign References:
FR2554036A11985-05-03
US4271592A1981-06-09
CN207480652U2018-06-12
CN208005732U2018-10-26
US5404646A1995-04-11
CN201456026U2010-05-12
CN209036578U2019-06-28
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