WO2023277445A1

WO2023277445A1 - Adhesive tape cutter

Info

Publication number: WO2023277445A1
Application number: PCT/KR2022/008928
Authority: WO
Inventors: 서민호
Original assignee: 서민호
Priority date: 2021-06-29
Filing date: 2022-06-23
Publication date: 2023-01-05

Abstract

An adhesive tape cutter, according to the present invention, comprises: a body having side surface portions on the respective sides thereof and a seating groove formed between the side surface portions; a cutting blade provided on one end of the body; a rotary shaft formed so as to protrude from the side surface portion of the body; a fixing part which is rotatably coupled to the rotary shaft and moves in and out of the seating groove according to rotation; and a roller part which is rotatably coupled to the outside of the fixing part and on which an adhesive tape is wound. The roller part and an anti-rotation part rotate integrally only when a user pulls and unwinds the adhesive tape, and the roller part and the anti-rotation part do not rotate when the user does not unwind the adhesive tape, and thus, it is possible to provide the adhesive tape cutter which can prevent the unwound adhesive tape from being rolled up and attached to the roller part.

Description

adhesive tape cutter

The present invention relates to an adhesive tape cutter.

In general, a box containing an article is transported by being sealed with an adhesive tape, and the sealing of the box is performed manually by a worker using a roller-type adhesive tape cutter.

A conventionally used adhesive tape cutter includes a main body to which a roll-shaped adhesive adhesive tape is rotatably coupled through a winding roll, a rotating drum member for tightly adhering the adhesive tape to the surface of a box paper when the main body moves, and a main body within the main body. Includes at least one roller member provided to guide the withdrawal of the adhesive tape, and a fixed cutting blade that is provided in a state exposed to the front end of the main body and cuts the adhesive tape attached to the box when rotated around the drum member. It is composed by

This is because when the body is moved along the incision line with the front end of the adhesive tape attached to the starting position of the incision in the box when packing the box, the rotating drum member moves while pressing the adhesive tape, and at the same time the adhesive tape is moved by the pressing rotational force. It is attached to the incision, and at this time, the adhesive tape is continuously drawn out while being rotated by the pulling force.

Afterwards, when the adhesive tape seals the incision, the worker places the main body away from the box by a predetermined width, and then rotates the main body around the drum member to which the surface of the adhesive tape is in close contact. The surface of the tape is pressed to cut it.

However, after cutting the adhesive tape, the adhesive tape existing between the roller member and the cutting blade is bent and adhered to the main body or wound on a winding roll and adhered to the winding roll. However, there was a problem in understanding and using it due to the inconvenience of having to find the tip.

(Patent Document 1) Korean Registered Patent Publication No. 0835541

An object of the present invention, which was made to solve the above problems, is that the latch groove of the anti-rotation part and the latch protrusion of the fixing part are coupled, and when the anti-rotation part is rotated by pressing the anti-rotation part in the forward direction, another latch groove is moved by the guide slope. It is moved and coupled, and even if pressed in the reverse direction, it is not rotated by the locking surface, so that the roller part and the anti-rotation part rotate integrally only when the user pulls the adhesive tape and unwinds it, and does not rotate unless it is unwound. It is to provide an adhesive tape cutter that can prevent the roll attached to the roller unit.

In addition, an object of the present invention is that the magnetic part is provided on the lower side of the main body, and the magnetic pigment is applied to the adhesive tape and the unwound adhesive tape is attached to the magnetic part without being rolled and attached to the roller part, so that the user can use the magnetic part It is to provide an adhesive tape cutter capable of easily gripping and unwinding the adhesive tape attached thereto.

According to the adhesive tape cutter of the present invention for achieving the above object, side parts are formed on both sides and the main body is formed with a seating groove between the side parts; a cutting blade provided at one end of the main body; A rotation shaft protruding from the side surface of the main body; a fixing unit rotatably coupled to the rotating shaft and moving in and out of the seating groove according to rotation; and a roller unit rotatably coupled to the outside of the fixing unit and around which an adhesive tape is wound.

In addition, an anti-rotation unit provided between the fixing unit and the roller unit and coupled to the fixing unit so as to be rotated only in a forward direction; It further includes, characterized in that the roller portion is forcibly fitted to the anti-rotation portion rotated only in the forward direction together with the anti-rotation portion.

In addition, the fixing part has latch protrusions protruding on the outer circumferential surface, and the anti-rotation part has latch grooves in which the latch protrusions are inserted repeatedly on the inner circumferential surface in succession. It is characterized in that it is coupled to rotate.

In addition, one side of the latch groove is formed as a guide slope that allows the latch protrusion to be pressed and moved to another latch groove formed successively when the anti-rotation part rotates in the forward direction, and the other side is formed as a guide slope when the anti-rotation part rotates in the reverse direction. It is characterized in that a locking surface is formed to prevent rotation by being caught on the side of the latch protrusion.

In addition, the latch protrusion is characterized in that the side surface opposite to the forward direction in which the anti-rotation part rotates is formed to be inclined, and is coupled to face the guide slope.

In addition, the fixing part has an opening hole formed on both sides where the latch protrusion is formed, and an elastic bar formed on an outer circumferential surface of the latch protrusion is formed, and the elastic bar is bent when the anti-rotation part rotates in a forward direction, and After separating from the latch groove, it is characterized in that it has an elastic force for inserting the latch protrusion into the latch groove formed successively.

In addition, the fixing part includes an insertion hole inserted into the rotary shaft on an inner circumferential surface and a coupling part in which a part of the insertion hole is cut to form an incision groove, and in the coupling part, the rotation shaft is forcibly fitted into the incision groove to form the insertion hole. It is characterized in that it is rotatably coupled.

In addition, the anti-rotation part has an anti-slip protrusion protruding from the outer circumferential surface, the anti-slip protrusion is formed to increase in width from one side of the anti-rotation part to the other side, and the roller part extends from one side of the anti-rotation part to the other side. It is fitted and characterized in that the inner circumferential surface and the anti-slip protrusion are in close contact.

In addition, a magnetic portion provided between the end of the cutting blade and the seating portion, and the adhesive tape is attached to the magnetic portion when a magnetic pigment attachable to the magnetic portion is applied and cut to the cutting blade. It is characterized by being fixed.

In addition, the adhesive tape includes a film layer, an adhesive layer applied to one side of the film layer, and a magnetic pigment mixed with the adhesive layer or applied between the film layer and the adhesive layer.

In addition, the magnetic part is formed integrally with the cutting blade, characterized in that the cutting edge of the adhesive tape cut on the lower surface does not fall to the roller unit.

In addition, the rotating shaft is characterized in that a fixing protrusion protrudes from the protruding end so that the fixing part is not separated in the longitudinal direction.

In addition, the magnetic pigment is selected from the group consisting of iron, nickel, cobalt, lanthanum, cerium, praseodymium, neodymium, promethium, samarium, europium, gadolinium, terbium, dysprosium, holmium, erbium, thulium, ytterbium, lutetium, and combinations thereof It contains one or more selected ingredients.

As described above, the effect of the present invention is that the roller part and the anti-rotation part are integrally rotated only when the user pulls the adhesive tape and unwinds it, and does not rotate unless the user unwinds it, so that the unwound adhesive tape is rolled and attached to the roller part It is possible to provide an adhesive tape cutter that can prevent.

In addition, the effect of the present invention can provide an adhesive tape cutter capable of easily holding and unwinding the adhesive tape attached to the magnetic portion by the user.

1 is a perspective view showing an adhesive tape cutter according to a preferred embodiment of the present invention.

2 is an exploded perspective view showing an adhesive tape cutter according to a preferred embodiment of the present invention.

3 is a side view showing an adhesive tape cutter according to a preferred embodiment of the present invention.

4 is a side cross-sectional view showing an adhesive tape cutter according to a preferred embodiment of the present invention.

5 is a cross-sectional view showing an adhesive tape of an adhesive tape cutter according to a preferred embodiment of the present invention.

FIG. 6 is an enlarged view of part A of FIG. 4 .

FIG. 7 is an enlarged view of part B of FIG. 4 .

8 is a perspective view showing a fixing part of an adhesive tape cutter according to a preferred embodiment of the present invention.

9 is a perspective view showing an anti-rotation part of an adhesive tape cutter according to a preferred embodiment of the present invention.

10: main body 11: side part

12: first side 13: second side

14: seating groove 15: supporting protrusion

20: cutting blade 30: rotation axis

31: fixing protrusion 40: fixing part

41: coupling part 42: incision groove

43: insertion hole 44: latch protrusion

45: opening hole 46: elastic bar

50: roller unit 51: adhesive tape

52: film layer 53: adhesive layer

54: magnetic pigment 60: magnetic part

70: anti-rotation part 71: latch home

72: guide bevel 73: locking surface

74: anti-slip protrusion

Advantages and features of the present invention, and methods of achieving them, will become clear with reference to the detailed description of the following embodiments taken in conjunction with the accompanying drawings. However, the present invention is not limited to the embodiments disclosed below, but may be implemented in various different forms, and only these embodiments make the disclosure of the present invention complete, and common knowledge in the art to which the present invention belongs. It is provided to completely inform the person who has the scope of the invention, and the present invention is only defined by the scope of the claims. Like reference numbers designate like elements throughout the specification.

Hereinafter, the present invention will be described with reference to drawings for explaining an adhesive tape cutter according to embodiments of the present invention.

1 to 4, the adhesive tape cutter according to the present invention includes a main body 10, a cutting blade 20, a rotating shaft 30, a fixing part 40 and a roller part 50.

First, the main body 10 has side portions 11 formed on both sides, and seating grooves 14 are formed between the side portions 11.

At this time, the side portion 11 includes a first side surface 12 and a second side surface 13, but the first side surface 12 is integrally formed with the main body 10, and the second side surface 13 is the main body ( 10) can be detachably coupled to.

In addition, the second side surface 13 may be formed by opening a portion corresponding to the seating groove 14 so that the roller unit 50 to be described later can be inserted into the fixing unit 40 .

In addition, as shown in FIGS. 4 and 5, support protrusions 15 may be formed to protrude from the first side surface 12 and the second side surface 13, respectively.

The support protrusion 15 serves to support the unwound adhesive tape 51 .

The cutting blade 20 is provided at one end of the main body 10. At this time, the cutting blade 20 may be formed with a plurality of sawtooth blades. And the adhesive tape 51 to be described later may be made of a magnetic material so that it can be attached to the cutting blade 20 by the magnetic pigment 54.

In addition, both sides of the cutting blade 20 may be fitted and coupled to the side portion 11 of the main body 10.

The rotating shaft 30 protrudes from the side surface 11 of the main body 10 . At this time, the rotating shaft 30 may be formed on the first side surface 12 of the side portion 11.

In addition, a fixing protrusion 31 is formed protruding from the protruding end of the rotating shaft 30 so that the fixing part 40 is not separated in the longitudinal direction.

The fixing part 40 is rotatably coupled to the rotating shaft 30 and moves in and out of the seating groove 14 according to rotation.

In addition, the fixing part 40 includes an insertion hole 43 inserted into the rotation shaft 30 on an inner circumferential surface and a coupling part 41 in which a part of the insertion hole 43 is cut and a cutout groove 42 is formed.

In the coupling part 41, the rotating shaft 30 is force-fitted into the incision groove 42 and is rotatably coupled to the insertion hole 43.

The roller unit 50 is rotatably coupled to the outside of the fixing unit 40, and an adhesive tape 51 is wound around it.

At this time, the adhesive tape 51 unwound from the roller unit 50 is unwound to one end of the main body 10 provided with the cutting blade 20 along the lower side of the main body 10, and to the supporting protrusion 15 It is supported and can be cut on the cutting blade 20.

In addition, referring to FIG. 5, the adhesive tape 51 is mixed with the film layer 52 and the adhesive layer 53 applied to one side of the film layer 52 and the adhesive layer 53, or the film layer 52 ) and the magnetic pigment 54 applied between the adhesive layer 53.

In addition, the magnetic pigment 54 may be mixed and prepared when the film layer 52 is manufactured.

The magnetic pigment 54 is composed of iron, nickel, cobalt, lanthanum, cerium, praseodymium, neodymium, promethium, samarium, europium, gadolinium, terbium, dysprosium, holmium, erbium, thulium, ytterbium, lutetium, and combinations thereof. It may contain one or more components selected from the group.

Meanwhile, the adhesive tape cutter according to the present invention further includes a magnetic part (60).

Referring to FIG. 6 , the magnetic part 60 may be provided between the end of the cutting blade 20 and the seating part.

At this time, the magnetic part 60 may be provided on both sides of the supporting protrusion 15 .

That is, the adhesive tape 51 may be attached to and fixed to the magnetic part 60 when the magnetic pigment 54 attachable to the magnetic part 60 is applied and cut to the cutting blade 20 . Accordingly, since the adhesive tape 51 does not sink, the user can easily hold the front end of the adhesive tape 51 .

In addition, the magnetic part 60 is integrally formed with the cutting blade 20, so that the adhesive tape 51 cut on the lower side and the front end of the cut adhesive tape 51 do not fall into the roller unit 50. .

Here, when the magnetic part 60 and the cutting blade 20 are integrally formed, the cutting blade 20 may be formed to have magnetic force. Accordingly, the unwound adhesive tape 51 may be attached to the lower surface of the cutting blade 20 .

Meanwhile, the adhesive tape cutter according to the present invention further includes an anti-rotation unit 70.

The anti-rotation part 70 is provided between the fixing part 40 and the roller part 50 and is coupled to the fixing part 40 so as to be rotated only in the forward direction.

At this time, the forward direction refers to a direction in which the adhesive tape 51 of the roller unit 50 is rotated when it is unwound as the user pulls it.

In addition, the roller unit 50 may be force-fitted to the anti-rotation unit 70 and rotate only in the forward direction together with the anti-rotation unit 70 .

Accordingly, the anti-rotation unit 70 rotates in the forward direction only when the adhesive tape 51 of the roller unit 50 is unwound by being pulled.

Here, referring to FIGS. 7 and 8 , a latch protrusion 44 may be protruded on an outer circumferential surface of the fixing part 40 .

At this time, the latch protrusion 44 has a side surface opposite to the forward direction in which the anti-rotation part 70 rotates, and may be coupled to face a guide slope 72 to be described later.

In addition, the fixing part 40 may have opening holes 45 formed on both sides where the latch protrusion 44 is formed, and an elastic bar 46 having the latch protrusion 44 formed on an outer circumferential surface thereof. That is, the latch protrusion 44 protrudes from the outer surface of the elastic bar 46 .

In addition, referring to FIGS. 7 and 9 , the anti-rotation part 70 has latch grooves 71 in which latch protrusions 44 are inserted into the inner circumferential surface in succession and repeatedly.

At this time, the latch protrusion 44 and the latch groove 71 are coupled to rotate the anti-rotation part 70 only in the forward direction.

The latch groove 71 has one side formed of a guide bevel 72 that allows the latch protrusion 44 to be pressed and moved to another latch groove 71 formed successively when the anti-rotation part 70 rotates in the forward direction, When the anti-rotation part 70 rotates in the reverse direction, the other side is formed with a locking surface 73 that is caught on the side surface of the latch protrusion 44 and prevents rotation.

In addition, the elastic bar 46 is bent when the anti-rotation part 70 rotates in the forward direction and separates the latch protrusion 44 from the latch groove 71, and then the latch protrusion ( 44) may have an elastic force for inserting.

In addition, as the latch groove 71 and the latch protrusion 44 are coupled, if the adhesive tape 51 is not pulled, the anti-rotation unit 70 is also maintained in a fixed state in which it does not rotate, so that the anti-rotation unit 70 is forced to The roller unit 50 that is inserted and rotated integrally does not rotate either. Due to this, the roller unit 50 does not rotate in the reverse direction, and the unwound adhesive tape 51 is not attached to the roller unit 50 .

Referring to FIG. 9 , the anti-rotation part 70 has an anti-slip protrusion 74 protruding from the outer circumferential surface.

The anti-slip protrusion 74 may be formed to increase in width from one side of the anti-rotation part 70 to the other side.

In addition, the roller unit 50 is fitted from one side of the anti-rotation unit 70 to the other side, and the inner circumferential surface and the anti-slip protrusion 74 may be in close contact.

Accordingly, the anti-rotation unit 70 and the roller unit 50 can rotate integrally, and the anti-rotation unit 70 is combined with the fixing unit 40 to rotate only in the forward direction so that the roller unit 50 also rotates in the forward direction. rotated only

Those skilled in the art to which the present invention pertains will understand that the present invention can be embodied in other specific forms without changing its technical spirit or essential features. Therefore, the embodiments described above should be understood as illustrative in all respects and not limiting. The scope of the present invention is indicated by the scope of the claims to be described later rather than the detailed description, and all changes or modifications derived from the meaning and scope of the claims and equivalent concepts thereof are construed as being included in the scope of the present invention. It should be. In addition, the operation sequence of the components described in the above-described process does not necessarily have to be performed in a time-series order, and even if the execution sequence of each component and step is changed, if the gist of the present invention is satisfied, these processes will fall within the scope of the present invention. Of course you can.

Claims

A main body having side portions formed on both sides and a seating groove formed between the side portions;

a cutting blade provided at one end of the main body;

A rotation shaft protruding from the side surface of the main body;

a fixing unit rotatably coupled to the rotating shaft and moving in and out of the seating groove according to rotation;

Adhesive tape cutter comprising a; roller unit rotatably coupled to the outside of the fixing unit, around which the adhesive tape is wound.
According to claim 1,

an anti-rotation unit provided between the fixing unit and the roller unit and coupled to the fixing unit so as to rotate only in a forward direction; Including more,

Adhesive tape cutter, characterized in that the roller portion is forcibly fitted into the anti-rotation portion and rotates only in a forward direction together with the anti-rotation portion.

The adhesive tape cutter, characterized in that the forward direction in which the anti-rotation portion rotates is the rotation direction in which the adhesive tape wound around the roller portion is unwound to the cutting blade.
According to claim 2,

The fixing part has a latch protrusion protruding from the outer circumferential surface,

In the anti-rotation part, latch grooves into which the latch protrusions are inserted are continuously and repeatedly formed on an inner circumferential surface,

The latch protrusion and the latch groove are coupled to rotate the anti-rotation part only in the forward direction, characterized in that the adhesive tape cutter.
According to claim 3,

The latch groove has one side formed as a guide bevel so that when the anti-rotation part rotates in a forward direction, the latch protrusion is pressed and moves to another latch groove formed in succession, and the other side is formed as a guide slope when the anti-rotation part rotates in a reverse direction, the latch protrusion Adhesive tape cutter characterized in that the locking surface is formed to prevent rotation by hanging on the side of the.
According to claim 4,

The latch protrusion is an adhesive tape cutter, characterized in that the side surface opposite to the forward direction in which the anti-rotation portion rotates is inclined and coupled to the guide oblique face.
In the third,

The fixing part has an opening hole formed on both sides where the latch protrusion is formed, and an elastic bar formed on an outer circumferential surface of the latch protrusion is formed,

The elastic bar is an adhesive tape cutter, characterized in that when the anti-rotation part rotates in the forward direction, it is bent and has an elastic force to separate the latch protrusion from the latch groove, and then insert the latch protrusion into the latch groove formed successively.
According to claim 1,

The fixing part includes an insertion hole inserted into the rotation shaft on an inner circumferential surface and a coupling part in which a part of the insertion hole is cut to form a cutout groove,

In the coupling part, the rotating shaft is forcibly fitted into the incision groove and is rotatably coupled to the insertion hole.
According to claim 2,

The anti-rotation part has anti-slip protrusions protruding on the outer circumferential surface,

The anti-slip protrusion is formed to increase in width from one side of the anti-rotation part to the other side,

The roller part is fitted from one side of the anti-rotation part to the other side, and the inner circumferential surface and the anti-slip protrusion are in close contact with the adhesive tape cutter.
According to claim 1,

It further includes; a magnetic part provided between the end of the cutting blade and the seating part,

The adhesive tape cutter, characterized in that the magnetic pigment attachable to the magnetic portion is applied to the adhesive tape, and when cut with the cutting blade, the adhesive tape is attached to the magnetic portion and fixed.
According to claim 9,

The adhesive tape includes a film layer, an adhesive layer applied to one side of the film layer, and a magnetic pigment mixed with the adhesive layer or applied between the film layer and the adhesive layer.
According to claim 9,

The magnetic part is integrally formed with the cutting blade to prevent the adhesive tape being cut on the lower surface from falling to the roller part.
According to claim 9,

The rotating shaft is an adhesive tape cutter, characterized in that the protruding end is formed with a fixing protrusion so that the fixing part is not separated in the longitudinal direction.
According to claim 10,

The magnetic pigment is one selected from the group consisting of iron, nickel, cobalt, lanthanum, cerium, praseodymium, neodymium, promethium, samarium, europium, gadolinium, terbium, dysprosium, holmium, erbium, thulium, ytterbium, lutetium, and combinations thereof An adhesive tape cutter comprising the above components.