Looking for breakthrough ideas for innovation challenges? Try Patsnap Eureka!

Folding cutting knife

A cutting knife and knife body technology, applied in the field of hand tools, can solve the problems of limited range of use, inability to lock and use, etc.

Inactive Publication Date: 2010-11-03
SHANGHAI KUNJEK HANDTOOLS & HARDWARE
View PDF0 Cites 6 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The general folding cutting knife can only be used at one angle, that is, the knife holder and the knife body are used in a straight line (180 degrees), and in this state, there is a locking mechanism to lock the knife holder with the blade installed. After unlocking, The knife holder can be folded and stored in the knife body, but it cannot be locked and used at other angles (0-180 degrees), which limits the range of use

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Folding cutting knife
  • Folding cutting knife
  • Folding cutting knife

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0014] An example of the present invention is figure 1 , figure 2 , image 3 As shown, it includes a knife body 1 composed of a left knife body 11 and a right knife body 12, a knife holder 2, a blade 3 installed on the knife holder, and a knife holder lock composed of a lever 4, a support block 5 and a spring leaf 6. Unlock mechanism. The tail of the knife rest 2 is rotatably connected to the front of the knife body 1 through the connecting shaft 7, the knife rest 2 can drive the blade 3 to be folded on the knife body 1, and the lever 4 is movably connected between the left and right knife bodies through the short shaft 41 thereon. Between the upper part, the support block 5 is fixedly connected to the afterbody between the left and right cutter bodies, and one end of the spring leaf 6 is fixed on the support block 5, and the other end protrudes forward and is pressed against the afterbody of the lever 4 below. The rear end surface of the knife rest 2 and its extension sur...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

No PUM Login to View More

Abstract

The invention provides a folding cutting knife. The folding cutting knife comprises a knife body, a knife rest, a blade, a lever, a supporting block and a spring piece, wherein the knife rest is in rotatable connection with the knife body; the lever is movably connected to the upper part of the knife body; the supporting block is fixedly connected to the tail of the knife body; one end of the spring piece is fixed on the supporting block, while the other end extends forwards and is pressed against the lower side of the tail of the lever; the tail of the knife rack is provided with at least two locking notches; the front end of the lever is provided with a locking block; and the locking block of the lever can be clamped into any locking notch to form locking. The tail of the knife rack of the folding cutting knife is provided with a plurality of locking notches so as to realize locking use, and particularly the folding cutting knife can quickly cut thin slice objects such as safety belts when the locking is used for an acute angle state, which is favorable for making related personnel with the safety belts get rid of danger in time during emergency.

Description

technical field [0001] The invention relates to a hand tool, in particular to a folding cutting knife. Background technique [0002] Traditional cutting knives are usually divided into fixed type, folding type and telescopic type, and are generally used to cut paper, cloth, leather, etc. The general folding cutting knife can only be used at one angle, that is, the knife holder and the knife body are used in a straight line (180 degrees), and in this state, there is a locking mechanism to lock the knife holder with the blade installed. After unlocking, The knife holder can be folded and stored in the knife body, but it cannot be locked and used at other angles (0-180 degrees), which limits the scope of use. Contents of the invention [0003] The object of the present invention is to provide a folding cutter. [0004] In order to achieve the above object, the present invention adopts the following technical solutions: a folding cutting knife, including a knife body and a k...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
Patent Type & Authority Applications(China)
IPC IPC(8): B26B1/04
Inventor 温昊
Owner SHANGHAI KUNJEK HANDTOOLS & HARDWARE
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Patsnap Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Patsnap Eureka Blog
Learn More
PatSnap group products