Title:
KNIFE SHARPENER HAVING MOVABLE KNIFE SHARPENING OPENING
Document Type and Number:
WIPO Patent Application WO/2021/093473
Kind Code:
A1
Abstract:
A knife sharpener having a movable knife sharpening opening, comprising: a knife sharpening frame (1) and knife sharpening components (2) that are tiltingly provided on the knife sharpening frame (1), further comprised are vertical rod assemblies (3) and a horizontal rotary shaft (4) which is fixed on the knife sharpening frame (1) and movably connected to the vertical rod assemblies (3); the vertical rod assemblies (3) can reciprocate left and right as the rotary shaft (4) rotates; the knife sharpening components (2) and the vertical rod assemblies (3) form a V-shaped knife sharpening opening; and when the vertical rod assemblies (3) reciprocate left and right, the lowermost end of the V-shaped knife sharpening opening ascends or descends along the length direction of the knife sharpening components (2). When vertical rods (31) move relative to the positions of the knife sharpening components (2), the lowermost end of a V-shaped knife sharpening opening formed between the vertical rods (31) and the knife sharpening components (2) ascends or descends. The knife sharpening components (2) can carry out knife sharpening at any position in the length direction, thus improving the utilization rate of the knife sharpening components (2). The knife sharpening components (2) are placed side by side without interlocking, do not affect one another, are easy to operate, avoid blade edge curling, and can sharpen a cutting tool having a single-sided blade.
Inventors:
FENG JIANFENG (CN)
Application Number:
PCT/CN2020/117786
Publication Date:
May 20, 2021
Filing Date:
September 25, 2020
Export Citation:
Assignee:
SHENZHEN GOLDEN MANOR TECH CO LTD (CN)
International Classes:
B24D15/08
Foreign References:
| CN110815072A | 2020-02-21 | |||
| CN1367065A | 2002-09-04 | |||
| CN208196374U | 2018-12-07 | |||
| CN207139440U | 2018-03-27 | |||
| CN2936582Y | 2007-08-22 | |||
| US20160144486A1 | 2016-05-26 | |||
| TWM466753U | 2013-12-01 |
Attorney, Agent or Firm:
SHENZHEN ZYTB IP AGENCY FIRM (GENERAL PARTNERSHIP) (CN)
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