KR200307536Y1 - The device for cutting paper - Google Patents

Abstract

The present invention relates to a cutting machine for cutting paper, and more particularly, when cutting the paper, it is possible to conveniently cut the paper with one hand without providing a straight line and a knife separately, and also to easily cut the paper in a straight line To a paper cutter.

The paper cutter of the present invention has an outer shape that is easy to be gripped by hand, a blade fixing part 200 inserted into the front end of the main body 100 and hinged and detachably fixed to a lower portion of the blade. And it is a configuration including a roller (300a, 300b) rotatably configured on the bottom surface so that the main body 100 is movable.

Description

Paper Cutting Machine {The device for cutting paper}

The present invention relates to a paper cutter for cutting paper, and more particularly, when cutting the paper, it is possible to conveniently cut the paper with one hand without providing a straight line and a knife separately, and also to easily cut the paper in a straight line It is about the paper cutter which can do it.

In many cases, the students need to cut the paper, such as cutting paper during school classes or at work of workers, or scrapping some documents written in newspapers and magazines. Place the stationery knife against the side of the ruler while pressing the stationery knife, and move the stationery knife along the side of the ruler to cut the paper.

As such, when the paper is not provided with a straight line as a paper cutting aid, the paper is not easily cut. Also, when cutting the paper with the straight line, one hand supports the straight line and the other hand does not. There is a problem in that both hands must be used, such as holding a stationery knife and cutting paper.

In addition, even when using both hands, when the pressing force of the stationery knife against the side of the straight line is directed to one side, various problems occur as follows.

First, when the pressing force of the stationery knife against the side of the straight line is directed to the side of the ruler, the blade of the stationery knife is embedded in the ruler of plastic material, and the person is damaged, and when the paper is cut again using the damaged ruler, Since the damaged part prevents the movement of the blade, there is a problem that the cutting of the paper is not performed properly.

In addition, if the pressing force of the stationery knife against the side of the ruler is directed to the side opposite the side of the ruler, the paper of the unwanted part is cut. Therefore, the same cutting operation must be performed again using another paper. In the case of data such as magazines, a problem arises in that the data must be obtained again and the cutting work is performed again.

The present invention is devised to solve the above problems, the object of the present invention is to cut the paper with one hand conveniently without having a straight line and stationery knife when cutting the paper, and also easy to cut the paper To provide a paper cutter that can be cut in a straight line.

Paper cutting machine of the present invention for achieving the above object, the outer shape is easy to grip by hand, the blade is inserted into the hinge portion inserted into the front end of the main body, the blade fixed to the blade detachably fixed, and the main body It is a configuration including a roller rotatably configured on the bottom surface to be movable.

The first and second pointers are disposed in a straight line at the front end of the blade fixing part and the end of the main body so that the cutting line of the paper to be cut can be recognized.

In addition, the blade fixing portion is a plate integrally formed on the inner surface, the penetrating through the plate, the support screw is formed in the screw head to be in close contact with the side of the plate to fix the blade, the screw is coupled to the support screw detachable blade In order to securely secure, one side portion is a fixture that protrudes to the outside of the blade fixing portion, the support screw and the fastener so that the screw is firmly screwed, it consists of a snap ring on the surface where the support screw and the fixture abuts.

The present invention configured as described above is provided with a pointer to recognize the cutting progress direction of the paper, and when cutting the paper, there is no need to separately provide a ruler as an auxiliary means, it is also possible to cut the paper with one hand, and also the paper In cutting, since it is moved by a roller having a certain area, even if the pressing force is directed in one direction, the cutting progress direction of the paper to be cut is exerted.

1 is a perspective view of a paper cutter of the present invention,

2 is an exploded perspective view of the main part of the present invention,

Figure 3 is a cross-sectional view showing a blade fixing portion as a component of the paper cutter of the present invention,

4 is a cross-sectional view taken along the line A-A in FIG.

5 is a main portion perspective view showing the rear end of the main body as a component of the paper cutter of the present invention.

<Code Description of Main Parts of Drawing>

B: blade

100: main body 101: groove

102a, 102b: hinge groove 103: support wall

104a, 104b: locking groove 105: blade cutting portion

106: 2nd Pointer 200: blade fixed government

201: plate 202: screw head

203a, 203b Hinge Ball 204 Support Wall

205: first pointer 210: support screw

220: fixture 230: snap ring

240: torsion spring 250: hinge pin

300a, 300b: roller 301a, 301b: protrusion

Hereinafter, the configuration and operation of embodiments of the present invention will be described in detail with reference to the accompanying drawings.

1 is a perspective view of a paper cutter of the present invention, Figure 2 is a partial perspective view of the present invention, Figure 3 is a planar cross-sectional view showing the blade fixing portion as a component of the paper cutter of the present invention, Figure 4 Sectional drawing cut | disconnected by AA line, FIG. 5 is a principal part perspective view which shows the rear end of the main body as a component of the paper cutter of this invention.

As shown, the paper cutter of the present invention is the main body 100, the outer shape is easily gripped by hand, is inserted into the hinge portion is inserted into the hinge portion of the main body 100, the blade is fixed to the lower blade detachably fixed And a roller 300a, 300b configured to be rotatable on a bottom surface of the government 200, and the main body 100 is movable.

The outer shape of the main body 100 is formed to be curved to fit the palm surface of the user to be contacted and is easy to grip, the upper end to form a groove 101 to which any finger of the user in contact is seated to a certain depth It is possible to prevent the hand held by 100) slipping.

One end of the main body 100 when the blade (B) fixed to the blade fixing part 200 is worn, so that the blade is cut to use the length of the blade fixed to the blade fixing part 200, the predetermined blade The blade cutting portion 105 is inserted into the depth. This is because the cutting edge is formed at a predetermined interval on the blade mounted on a stationery knife that is commonly used, and when inserted into the blade cutting portion 105 to give a force in the direction perpendicular to the blade surface, it is easy to cut It is possible.

The blade fixing part 200 penetrates through the plate 201 and the plate 201 which are integrally formed on the inner surface, and is screwed to the side of the plate 201 to fix the blade B to secure the blade B (202). ) Is formed in the support screw 210, the screw is coupled to the support screw 210 to secure the blade (B) detachably, the fixture 220 protruding to one side of the blade fixing part 200, A snap ring 230 is installed on a surface where the support screw and the fixture abut so that the support screw 210 and the fixture 220 are firmly screwed together.

Hinge coupling between the main body 100 and the blade fixing part 200 has hinge holes 203a and 203b formed at both ends of the rear end of the blade fixing part 200, and the hinge holes 203a and 203b are formed. A support wall 204 is formed at the bottom, and hinge grooves 102a and 102b are formed at both ends of the open end of the main body 100, and a support wall is formed at the bottom of the hinge grooves 102a and 102b. (103) is formed, the hinge pin 250 is provided with a torsion spring 240 receives downward force penetrates through the hinge hole (203a) (203b) of the blade fixing part 200, the hinge Both ends of the balls 203a and 203b are inserted into the hinge grooves 102a and 102b of the main body 100, and the extended portions of the torsion springs 240 provided on the hinge pins 250 are respectively supported by the supporting walls. (103) (204) is incorporated in the coupling.

Thus, the position of the blade (B) of the hinged blade fixing portion is positioned below the rollers (300a) (300b) of the main body 100, pressing the main body 100, the blade is fixed to the blade fixed to the ground The government 200 rotates counterclockwise. At this time, by the torsion spring 240 received downward force on the hinge pin 250, the elastic force is transmitted to the rotated blade fixing portion, this elastic force acts as a force capable of cutting the paper. That is, when the user moves the main body 100 in the paper cutting direction while pressing the main body 100 so that the rollers 300a and 300b touch the ground, the paper is naturally cut.

In addition, the first and second pointers 205 and 106 pointing to the cutting line of the paper to be cut, which are protruded from the tip of the blade fixing part 200 and the end of the main body 100, are in a straight line. It is possible to cut the paper in a straight direction without the auxiliary means such as a ruler by positioning the blade on the same position line in the longitudinal direction of the first pointer 205.

In addition, when the paper is cut, even when the force is pulled to one side, since the rollers 300a and 300b are in contact with the paper by a predetermined area or more, it is possible to cut the paper in a straight direction.

Protruding portions 301a and 301b are formed at both ends of the roller 300a and 300b, and locking grooves 104a and 104b are formed at the front end and the distal end of the inner surface of the main body 100, respectively. By engaging the projections 301a and 301b to the 104a and 104b, it is possible to be fixed and rotated.

It describes the operation of the present invention configured as described above.

First, the paper cutter of the present invention is gripped with one hand, and then the paper cutter is placed on the cut portion of the paper to be cut. At this time, the outer shape of the paper cutter is formed to be curved to fit the palm of the user to be contacted, and easy to grip, and also the groove 101 is formed on the upper end to prevent the hand slip from the paper cutter when cutting the paper. Can be.

In addition, in the paper cutter, when the cutting line of the paper to be cut is a straight line, the paper is cut at the end of the blade fixing part 200 and the end of the main body 100 so that the paper can be cut in a straight direction without an auxiliary means such as a ruler. The first pointer 205 and the second pointer 106 are formed so as to be in line with the cutting line of the paper, and the blade B is positioned on the same position line with the first pointer 205 in the longitudinal direction, thereby providing the paper of the present invention. The cutting machine alone facilitates paper cutting in the straight direction.

Here, when the first pointer 205 and the second pointer 106 of the paper cutter are placed on the cutting line of the paper to be cut, the blades B fixed to the blade fixing part 200 are each roller 300a ( Since it is manufactured to be located below the 300b), when each of the rollers (300a, 300b) by pressing the main body 100 touches the ground, the blade fixing part 200 fixed to the blade rotates in the counterclockwise direction downward By the torsion spring 240 receives the force, an elastic force is transmitted to the rotated blade fixing part 200, and this elastic force acts as a force capable of cutting the paper.

That is, the user naturally cuts the paper by simply moving the main body 100 in the paper cutting direction while pressing the main body 100 so that the rollers 300a and 300b touch the ground. In addition, when cutting the paper, even if the force to press the paper cutter inadvertently is pulled to one side because the roller (300a, 300b) is in contact with the ground more than a predetermined area can be cut in a straight direction.

In addition, since the blade fixed to the blade fixing part 200 is detachable, when the blade is worn by using for a long time, between the plate 201 and the screw head 202 formed on the inner surface of the blade fixing part 200. The blade is fixed to the fixed blade 220 by rotating the fixture 220, the plate 201 and the screw head 202 apart from the blade to open the gap, and then cut the blade cut at a predetermined length intervals with the plate 201 and After inserting between the screw heads 202, it may be fixed by the fixture 220.

Here, the blades cut at regular intervals may be provided with a paper cutter of the present invention, and when the blades are exhausted, one end of the paper cutter may be used even with the blade provided in the existing stationery knife. The blade cutting portion 105 is inserted into the knife blade of the stationery for a predetermined depth is formed, insert the knife blade provided with the stationery knife abutting the blade cutting portion 105, and then the stationery knife is perpendicular to the blade surface After cutting with force in the direction, it is possible to remove and use as described above.

As described above, the present invention is provided with a pointer so as to recognize the cutting direction of the paper, when cutting the paper, there is no need to separately provide a ruler as an auxiliary means, it is also possible to cut the paper with one hand, In addition, since the paper is moved by a roller having a certain area when cutting, the cutting progress direction of the paper to be cut is exerted even when the pressing force is directed in one direction.

Although the present invention has been described in detail only with respect to the embodiments described, it will be apparent to those skilled in the art that the present invention can be modified or changed within the spirit and scope of the present invention, and such modifications or changes are defined in the appended utility model claims. Will belong.

Claims (3)

The main body 100, the appearance of which is easily gripped by hand, The blade fixing part 200 is inserted into the front end of the main body 100 and hinged, and the blade is detachably fixed to the lower portion, And a roller (300a) configured to be rotatable on a bottom surface of the main body (100) so as to be movable. The method of claim 1, The first and second pointers 205 and 106, which protrude from the tip of the blade fixing part 200 and the ends of the main body 100, indicating the cutting line of the paper to be cut, are disposed in a straight line. Paper cutting machine, characterized in that. The method of claim 1, The blade fixing part 200 is a plate 201 formed integrally with the inner surface, The support screw 210 penetrating the plate 201, the screw head 202 is formed in close contact with the side of the plate 201 to fix the blade, As the screw is coupled to the support screw 210 to detachably fix the blade, the fixture 220 protruding to one side of the blade fixing part 200, Paper cutters, characterized in that the support screw 210 and the fastener 220 is firmly screwed, the snap ring 230 is installed on the surface of the support screw and the fastener abuts.