WO2010018974A2

WO2010018974A2 - Staple and stapler

Info

Publication number: WO2010018974A2
Application number: PCT/KR2009/004473
Authority: WO
Inventors: 유덕균; 유병훈
Original assignee: Yoo Duck Kyun; Yoo Byung Hun
Priority date: 2008-08-12
Filing date: 2009-08-11
Publication date: 2010-02-18
Also published as: WO2010018974A3

Abstract

The present invention relates to a staple and to a stapler. The stapler of the present invention includes: a magazine unit loaded with staples each of which have a connection bar arranged perpendicular to a pair of bendable legs and which is formed integrally with the tops of the pair of bendable legs; a handle unit having a driver plate for extruding the staple loaded in the magazine unit, and which is coupled to or separated from the upper portion of the magazine unit; a cut groove forming unit arranged in the handle unit to form one or more cut grooves at the staple; and a base having a bending groove for bending the pair of bendable legs of the staple extruded by the driver plate. As the stapler of the present invention forms cut grooves at the staple, it is possible to easily fracture and remove the staple which staples together a sheaf of papers even without using a staple remover, thereby enabling the easy reutilization or shredding of papers, and in addition, the easy removal and realignment of documents, and reducing paper consumption and protecting the environment. The staple of the present invention includes a pair of bendable legs which are bent after passing through a sheaf of papers, and a connection bar formed integrally with the tops of the pair of bendable legs and formed perpendicularly to the pair of bendable legs, and which has one or more cut grooves. The connection bar is easily fractured by the cut grooves when the portion with the cut grooves is bent. The staple of the present invention enables users to easily remove the staple which staples together a sheaf of papers by simply fracturing the connection bar of the staple even without using a staple remover. Moreover, accidents which might be caused by the fractured part when the connection bar of the staple is fractured can be prevented.

Description

Staples and staplers

The present invention relates to a staple and a stapler, and more particularly, to install the staples and staples to be fixed to the bundle target paper that can be easily removed without the use of a separate staple remover staples to bundle the plurality of papers Staples and staplers.

In general, a staple is penetrated through a plurality of overlapping papers, and is installed on the plurality of papers in a form in which both ends of the staple are bent in the direction of the bottom surface of the paper positioned at the lowermost side. To fix the bundle.

As shown in FIG. 1, the staple 10 is integrally formed with a pair of curved needles 11 and the curved needles 11 formed vertically to connect the upper ends of the curved needles 11 with each other. Including the connecting bar 12, it is made of '┌┐' shape.

As shown in FIG. 2, the staple 10 is penetrated by forming a through hole 21 in a plurality of overlapping papers 20 by a pair of curved needles 11 by a stapler. After that, the ends are each bent in the direction of the bottom surface of the paper positioned at the lowermost side, so that the plurality of papers 20 are bundled and fixed between the connecting bar 12 and the pair of curved needles 11 curved.

To this end, a conventional stapler includes a driver plate for pressing the staple 10 downward and a curved groove for bending a pair of curved needles to penetrate the staples 10 to the plurality of overlapping papers 20. It is provided.

On the other hand, when the plurality of papers 20 bundled by the staples 10 installed by a conventional stapler are inserted into a printer or copier for use as a backing paper or inserted into a shredder for shredding, the plurality of papers 20 ) The staples (10) that are bundled together should be removed. The reason is that if the paper 20 bundled by the staples 10 is supplied to a printer, copier or shredder and the corresponding device is operated, it may cause the device to malfunction.

In addition, any one of the curved needles 11 penetrates the plurality of papers 20 in the process of installing the pair of curved needles 11 of the staples 10 on the plurality of papers 20 using a conventional stapler. If a failure occurs due to a driver plate, the staple 10 must be removed and reinstalled.

In addition, when the paper 20 of the document fixedly bundled is partially excluded, when another paper 20 is added and fixed together, or when realignment with another document is required, Removal is essential.

As described above, various cases in which the staples 10 in which the plurality of papers 20 are bundled and fixed are removed. The staples 10 installed by the conventional stapler use a separate staple remover (depreciator) in each case. There is discomfort to be done. Many of these staple removers have been developed, filed and published, including Utility Model Registration No. 335727.

However, in order to perform a frequent removal operation for the staple 10, there is an inconvenience that must always have a staple remover around. And, if the staple remover is not provided in the vicinity, the user attempts to remove the staples through the nail, which is difficult to remove the staples using such nails, such as strong nails and sufficient muscle strength, Frequently abandonment of the staple removal operation for the document.

In particular, for female users who have weak durability and strength of nails, it is almost impossible to remove staples through nails. Therefore, there is a problem that the paper 20 which can be used as the backing paper or the paper 20 to be shredded is also discarded.

As such, the staples 10 installed by the conventional stapler are often given up by the user because of the trouble of using a separate staple remover, and the paper 20 that can be used as a backing paper is also discarded or In many cases, the same contents are printed and copied again on a new paper 20.

That is, the conventional stapler has a disadvantage in that the utilization of the paper 20 bundled by the staples 10 is lowered, thereby increasing the consumption of paper resources.

In order to solve the above problems, the present invention, the stapler which can be installed on a plurality of paper by forming one or more cutting grooves in the staples so that the installed staples can be easily broken and removed without using a separate staple remover To provide.

In addition, the connecting bar of the staples is easily broken to provide a staple that can be removed without using a separate staple remover.

Further, even when the amount of paper bundled and fixed by the staples is large, it is intended to provide a staple that can be easily removed after the connecting bar of the staples is broken.

In addition, when the connection bar of the staple is broken, it is intended to provide a staple that can prevent the occurrence of a safety accident by the broken portion.

In order to solve the problems as described above, the stapler according to the present invention, the magazine portion that is loaded with a staple integrally formed on the upper end of the pair of curved needles are formed at right angles to the pair of curved needles; A handle part including a driver plate for extruding the staples loaded in the magazine part, the handle part being coupled to or separated from an upper side of the magazine part; A cutting groove forming part provided in the handle part to form at least one cutting groove in the staple; And a base having a curved groove for bending the pair of curved needles of the staple extruded by the driver plate.

The cutting groove forming unit may be provided to form one or more cutting grooves in the center of the connecting bar of the staple.

The cutting groove forming unit may include one or more cutting groove forming protrusions protruding from one surface of the driver plate to form one or more cutting grooves in the connection bar when the staple is extruded.

The cutting groove forming unit may include a transfer bar having one end guided and reciprocated by a long hole or a long groove formed along the lengthwise direction of the magazine, and the other end connected to the handle unit; And one or more cutting groove forming blades provided at one end of the transfer bar, wherein one end of the transfer bar is slidably transported when the handle part is coupled to an upper side of the magazine portion, thereby stapling the blade by the cutting groove forming blade. One or more cutting grooves may be formed in the connection bar.

In addition, the staple according to the present invention is a pair of curved needles that are bent through a plurality of paper, and formed integrally on the upper end of the pair of curved needles to form a right angle with respect to the pair of curved needles, respectively It includes a connection bar is formed in the above cutting groove, wherein the connection bar is easily broken by the cutting groove when the portion in which the cutting groove is formed is bent.

The cutting groove, one may be formed on one surface of the central portion of the connection bar.

The connection bar may include a cutting crack formed at a position corresponding to an end of the cutting groove on the other side of the surface on which the cutting groove is formed.

The cutting groove may be formed on an upper surface of the connection bar, and an inner surface thereof may be provided to have an inclination of 70 ° or more and 90 ° or less with respect to the top surface of the connection bar.

The connecting bar may include a pair of protrusions formed to be in contact with or adjacent to each other on both sides of a position corresponding to an end of the cutting groove on the other side of the opposite surface on which the cutting groove is formed.

The cutting groove may be formed on a lower surface of the connection bar, and an inner surface thereof may be provided to have an inclination of 30 ° to 70 ° with respect to the lower surface of the connection bar.

The cutting groove may be formed by cutting or molding.

According to the stapler according to the present invention, by forming one or more cutting grooves in the staples, so that the staples can be easily broken, it is possible to easily and easily remove the staples provided to bundle the plurality of paper.

In addition, according to the stapler according to the present invention, since it is possible to easily remove the staples installed to bundle the plurality of paper without using a separate staple remover, back paper utilization, crushing, addition of data for the plurality of papers ㆍ Easy to delete and rearrange, save paper resources and protect the environment.

In addition, according to the staple of the present invention, when the cutting groove portion formed in the center of the connecting bar is bent, the inner surface of the cutting groove is engaged with each other to act as a lever and the cutting crack serves to promote the progress of the break, The cutting groove portion can be easily broken.

In addition, according to the staple of the present invention, when the cutting groove portion formed in the center of the connecting bar is bent, a pair of protrusions formed on the other side of the opposite side of the one surface formed with the cutting groove of the connecting bar is engaged with each other to act as a lever and the cutting groove is By acting to promote the progress of the break, the cutting groove portion of the connecting bar can be easily broken.

Therefore, through the through hole formed in the plurality of papers by the curved needle of the staple, it is possible to easily remove the staples in which the center of the connecting bar is broken from the plurality of papers.

In addition, even when the amount of paper bundled and fixed by the staple is large, the cutting groove is formed on the lower surface of the connecting bar such that the inner surface of the cutting groove has an inclination of 80 ° or less with respect to the lower surface of the connecting bar, whereby the user is inclined. The nails can be easily hung on the inner side of the cut groove to easily unfold the connecting part between the connecting bar and the curved needle.

Therefore, even when the amount of paper bundled and fixed by the staples is large, the staples can be easily removed.

In this way, it is possible to easily remove staples that bundle and hold a plurality of sheets of paper without using a separate staple remover, making it easy to utilize backing papers, crush, add or delete materials, and rearrange the papers. Thus, the environment can be protected by saving paper resources.

In addition, when the user extends the connection part between the connecting bar and the curved needle through the inclined cutting groove, a pair of protrusions do not sharpen the broken part of the connecting bar, thereby causing a safety accident due to the broken part of the connecting bar. You can prevent it.

1 is a front view of a conventional staple,

2 is a state diagram showing a state where a staple provided by a conventional stapler bundles and fixes a plurality of sheets of paper;

3 is a cross-sectional view showing a stapler according to a first embodiment of the present invention in a longitudinal direction;

4 is a front view as seen from A of FIG. 2 of the stapler according to the first embodiment of the present invention;

5 is a front view showing a state in which a cutting groove is formed in the connecting bar of the staple by the cutting groove forming projection when installing the staple using the stapler according to the first embodiment of the present invention;

6 is a state diagram showing a state in which a plurality of sheets of paper are stapled and installed by a stapler according to the first embodiment of the present invention;

7 is a state diagram showing a state in which the cutting groove portion of the connection bar of the connection bar of the staples installed by the stapler according to the first embodiment of the present invention is bent to break the connection bar,

8 is a state illustrating a state in which a broken side of the staple is removed through a through hole formed in a plurality of paper in the staple installed by the stapler according to the first embodiment of the present invention;

9 is a case where a large number of pieces of paper are stapled by a stapler installed by a stapler according to a first embodiment of the present invention, a state in which one side of the staple is unfolded by the user of the connecting bar and the curved needle State diagram,

10 is a case where a plurality of pieces of paper are stapled by a stapler installed by a stapler according to a first embodiment of the present invention, one side of the staples in which the connection portions of the connecting bar and the curved needle are extended is formed in the plurality of papers State diagram showing the state removed through the hole,

11 is a cross-sectional view showing a stapler according to a second embodiment of the present invention in a longitudinal direction;

12 is a state illustrating a state in which a cutting groove is formed in the connection bar by a cutting groove forming blade while one end of the transfer bar is slid when the handle part is coupled to the magazine part in the stapler according to the second embodiment of the present invention. ,

13 is a front view of a staple according to a third embodiment of the present invention;

14 is a front view illustrating a case in which a cutting groove is formed through a press-fit process in a staple according to a third embodiment of the present invention;

15 is a diagram illustrating a state in which a plurality of sheets of paper are bundled and fixed by staples according to a third embodiment of the present invention;

16 is a state diagram showing a state in which a cutting groove forming portion of the connecting bar of the staples is bent to break the connecting bar according to the third embodiment of the present invention;

FIG. 17 is a diagram illustrating a state in which a broken side of the staple is removed through a through hole formed in a plurality of papers by a curved needle in the staple according to the third embodiment of the present invention;

FIG. 18 is a view illustrating a state in which one side of the staple is unfolded by a user, where the connection part of the connecting bar and the curved needle is unfolded when a large amount of paper is bundled and fixed by the staple according to the third embodiment of the present invention. Degree,

19 is a case where a large amount of paper is bundled and fixed by a staple according to a third embodiment of the present invention, one side of the staple with the connection portion of the connecting bar and the curved needle unfolded through a through hole formed in the plurality of papers State diagram showing the state being removed,

20 is a front view of a staple according to a fourth embodiment of the present invention;

21 is a diagram illustrating a state in which a large amount of paper is bundled and fixed by staples according to a fourth embodiment of the present invention;

22 is a state diagram showing a state in which a cutting groove forming portion of the connecting bar of the staples is bent to break the connecting bar according to the fourth embodiment of the present invention;

FIG. 23 is a plan view illustrating a state in which one side of the staple is rotated by the user in the staple according to the fourth embodiment of the present invention;

FIG. 24 is a diagram illustrating a state in which a cutting groove inner side of a broken side of a staple is caught by a user's fingernail in a case where a large amount of paper is bundled and fixed by a staple according to a fourth embodiment of the present invention. AA cross section state diagram,

FIG. 25 is a diagram illustrating a state in which one side of the staple is unfolded by a user, where the connection part of the connection bar and the curved needle is unfolded when a large amount of paper is bundled and fixed by the staple according to the fourth embodiment of the present invention. to be.

＊ Explanation of symbols for main part of drawing ＊

10, 1100, 1100 ': staples

10-1, 1100-1, 1100-1 ': one side of the staple break

10-2, 1100-2, 1100-2 ': The other side of the broken staple

11, 1110, 1110 ': curved needle

12: connecting bar 12-1: cutting groove

20, 1200: paper 21, 1210: through hole

100, 100 ': magazine section 110, 110': extrusion hole

120: long hole 200, 200 ': handle portion

210, 210 ': driver plate 300: cutting groove forming portion

310: cutting groove forming projection 320: transfer bar

321: guide protrusion 330: cutting groove forming blade

400, 400 ': Base 410, 410': Curved groove

1120, 1120 ': Connecting bar

1121, 1121 ': Cutting groove 1121-1, 1121-1': Inside surface of cutting groove

1122: cutting crack 1123: projection

θ ₁ : slope of the inner side of the cutting groove with respect to the upper surface of the connecting bar in the third embodiment

θ ₂ : slope of the inner side of the cutting groove with respect to the lower surface of the connecting bar in the fourth embodiment

DETAILED DESCRIPTION Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings so that those skilled in the art may easily implement the present invention. As those skilled in the art would realize, the described embodiments may be modified in various different ways, all without departing from the spirit or scope of the present invention.

In the stapler according to the present invention, as shown in FIG. 1, the connection bars 12 formed at right angles with respect to the pair of curved needles 11 are integrally formed at the upper ends of the pair of curved needles 11. In order to bundle and fix a plurality of sheets of paper by penetrating the staples, which are staples for staplers having a '┌┐' shape, through a plurality of overlapping sheets and then bending their ends toward the bottom surface of the paper located at the bottom, The device used.

Hereinafter, the configuration and operation effects of the stapler according to the first embodiment of the present invention will be described in detail with reference to FIGS. 3 to 10. The stapler according to the first embodiment of the present invention includes a magazine part 100, a handle part 200, a cutting groove forming protrusion 310, and a base 400.

The magazine unit 100 is a place where a plurality of staples 10 are loaded in a row. A straight extrusion hole 110 is formed at the end of the magazine part 100, so that the staples 10 may be extruded one by one through the extrusion hole 110.

The handle part 200 is provided to form an upper body that can be gripped by the user and to be coupled or separated on the upper side of the magazine part 100. The driver plate for pressing the connecting bar 12 of the staples 10 so that the staples 10 loaded in the magazine part 100 can be extruded one by one through the extrusion hole 110 at the front end of the handle part 200 ( 210 is provided. To this end, the driver plate 210 is formed to a thickness corresponding to the width of one staple 10.

3 to 5, the cutting groove forming protrusion 310 of the driver plate 210 in contact with the connecting bar 12 of the staple 10 when the staple 10 is installed on a plurality of sheets of paper. It is formed in the lower center, when the connection bar 12 is pressed by the driver plate 210 to form a cutting groove 12-1 on the upper surface of the connection bar 12 of the staple 10.

In the first embodiment of the present invention, one cutting groove forming protrusion 310 is formed in the lower center of the driver plate 210, the formation position and the number is not limited thereto. That is, two may be formed at equal intervals below the driver plate 210.

In addition, the cutting groove forming protrusion 310 is provided to form the cutting groove 12-1 in the connection bar 12 of the staple 10, but is not limited to this, the cutting groove forming protrusion 310 is a staple 10 It may be provided to form a cutting groove 12-1 in the connection portion of the connecting bar 12 and the curved needle 11 of the).

The base 400 forms a lower body that can be gripped by the user, and the magazine part 100 and the end of the handle part 200 are connected to the end by a hinge, and the magazine part 100 and the handle It serves to support the unit (200).

In addition, a curved groove 410 is formed on an upper end of the base 400, which is a lower side of the extrusion hole 110 formed in the magazine part 100, and the curved groove 410 has a staple 10 formed in a driver plate ( As the extruded by 210, a pair of curved needles 11 penetrating the plurality of sheets of paper 20 to be bundled located between the magazine part 100 and the base 400 are positioned in the lower surface of the paper. To bend.

As described above, when using the stapler according to the first embodiment of the present invention, the cutting groove (not shown) on the upper surface of the connecting bar 12 of the staple 10 by the cutting groove forming protrusion 310 formed on the driver plate 210. 12-1) is formed. As such, the state of the staple 10, which is installed by the stapler according to the present invention and bundle-fixes a plurality of papers in a state where the cutting grooves 12-1 are formed, is as shown in FIG.

As such, when the cutting groove 12-1 is formed in the connection bar 12 of the staple 10, when the removal operation of the staple 10 is required, the user bends the forming portion of the cutting groove 12-1. By simply breaking the connecting bar 12, the staple 10 can be easily removed through the through holes 21 formed in the plurality of papers 20 when the staple 10 is installed.

Hereinafter, a method of removing the staple 10 installed by using the stapler according to the present invention will be described in detail with reference to FIGS. 7 to 10.

First, as shown in FIG. 7, in order for the user to remove the staples 10 from the plurality of pieces of paper 20, the center of the connecting bar 12, that is, the portion in which the cutting groove 12-1 is formed, is moved downward. Both ends of the connection bar 12 break the connection bar 12 by bending the connection bar 12 upward.

Thereafter, as illustrated in FIG. 8, the broken one side 10-1 of the staple is simply removed through the through hole 21 in a state of holding the curved curved needle 11. Thereafter, the staple 10 can be completely removed from the plurality of papers 20 by removing the other side 10-2 of the staple broken in the same manner.

On the other hand, since the paper 20 of about a dozen sheets is short and easy to bend the length of the through-hole 21, it is possible to use a simple removal method as described above, a large amount of paper 20 or more than 20 sheets Since the length of the through hole 21 is long and does not easily bend, a different removal method is used.

First, the connection bar 12 is broken through the process shown in FIG. 7, and then, as shown in FIG. 9, the connection bar 12 is formed by using a broken end of the broken side 10-1 of the staple. ) And the connecting part of the curved needle (11). That is, by raising the connecting bar 12 to be perpendicular to the upper surface of the paper 20, the connecting bar 12 is made to pass through the through hole 21.

Thereafter, as illustrated in FIG. 10, the broken one side 10-1 of the staple is simply removed through the through hole 21 in a state of holding the curved curved needle 11. Thereafter, the staple 10 can be completely removed from the plurality of papers 20 by removing the other side 10-2 of the staple broken in the same manner.

11 and 12, the configuration and effect of the stapler according to the second embodiment of the present invention will be described in detail.

In the stapler according to the second embodiment of the present invention, the staple 10 is sequentially pressed by the driver plate 210 during the installation operation of the staple 10, and the cutting groove 12-1 is connected to the connecting bar 12. Differently from the first embodiment sequentially formed, the cutting grooves 12-1 are collectively formed in the connecting bars 12 of the plurality of staples 10 loaded in the magazine portion 100 '.

Hereinafter, in describing the stapler according to the second embodiment of the present invention in detail, the magazine part 100 ', the handle part 200', and the base, which are similar in configuration to the stapler according to the first embodiment of the present invention, are provided. Detailed description of 400 'will be omitted with reference to the description of the first embodiment.

The stapler according to the second embodiment of the present invention replaces the cutting groove forming protrusion 310, which is the configuration of the first embodiment for forming the cutting groove 12-1 in the connecting bar 12 of the staple 10. , Has a separate cutting groove forming unit 300. Such a cutting groove forming unit 300, as shown in Figure 6, includes a transfer bar 320 and the cutting groove forming blade 330.

The transfer bar 320 has guide protrusions 321 formed at both ends thereof at one end thereof, and the guide protrusions 321 are positioned at a pair of long holes 120 formed along the length direction of the magazine part 100 ′. . And, the other end of the transfer bar 320 is coupled to the handle portion 200 'by a hinge. Therefore, the transfer bar 320 is provided so that one end thereof is guided by a pair of long holes 120 and reciprocated according to the combination or separation of the magazine part 100 'and the handle part 200'.

In the second embodiment of the present invention, the one end of the transfer bar 320 is provided with a pair of long holes 120, but is not limited thereto. For example, it may be provided with a pair of long grooves, it may be provided with one long hole and one long groove.

On the other hand, the cutting groove forming blade 330 is provided in a fan shape at the center of one end of the transfer bar 320, cut to the connection bar 12 of the plurality of staples 10 loaded in the magazine portion 100 ' The groove 12-1 is formed.

The process of forming the cutting groove 12-1 by the cutting groove forming blade 330 will be described in detail, and the transfer bar 320 may be coupled to or separated from the magazine part 100 ′ and the handle part 200 ′. One end of the) is reciprocated along the long hole 120, wherein the long hole 120 is formed in parallel with the top surface of the staple 10 loaded in the magazine portion (100 ').

As shown in FIG. 11, after a plurality of staples 10 are loaded in the magazine part 100 ′ in a state in which the magazine part 100 ′ and the handle part 200 ′ are separated, the magazine part 100 ′ and the handle part 200 ′ are separated. As described above, when the magazine unit 100 'and the handle unit 200' are coupled, one end of the transfer bar 320 is transferred to the front end of the magazine unit 100 'along the long hole 120.

At this time, the cutting groove forming blade 330 provided at one end of the transfer bar 320 is transported in constant contact with the connection bar 12 of the plurality of staples 10, the connection bar of each staple 10 The cutting grooves 12-1 are formed in (12) at a constant depth.

In the second embodiment of the present invention, one cutting groove forming blade 330 is installed in the center of one end of the transfer bar 320 in a fan shape, the installation position, shape and number is not limited thereto. In addition, since the cutting groove forming blade 330 may be worn by repeated use, it may be provided so that the transfer bar 320 can be detached and replaced.

As described above, since the staple 10 installed using the stapler according to the present invention can be easily removed without using a separate staple remover, it is possible to improve utilization of the paper fastened by the staples 10. have.

In addition, the staple according to the present invention is a stapler needle for stapling to penetrate a plurality of overlapping papers by a stapler and then to bundle and fix the plurality of papers into one document.

Hereinafter, with reference to the accompanying Figures 13 to 19, the configuration and effect of the staple 1100 according to the third embodiment of the present invention will be described in detail. The staple 1100 according to the third embodiment of the present invention includes a pair of curved needles 1110 and a connecting bar 1120.

The pair of curved needles 1110 are sharply processed so that the lower ends thereof can be vertically penetrated through the plurality of pieces of paper 1200 and are positioned perpendicular to the bottom surface in parallel to each other, and the plurality of pieces of paper 1200 After passing through, the bow is curved toward the bottom of the lowermost paper 1200 to fix the lower paper 1200.

The connecting bar 1120 is integrally formed at the upper end of the pair of curved needles 1110 so as to form a right angle with respect to the pair of curved needles 1110, and together with the pair of curved needles 1110 Form a shape. When the pair of curved needles 1110 are curved through the plurality of papers 1200, the connection bar 1120 contacts the upper paper 1200 and fixes the upper paper 1200.

That is, the plurality of papers 1200 are bundled and fixed between the connection bar 1120 and the ends of the curved pair of curved needles 1110 and the plurality of papers 1200 in the pair of curved needles 1110. The penetrating portion serves to connect the ends of the connection bar 1120 and the curved needle 1110.

On the other hand, as shown in Figure 13, a cutting groove 1121 is formed on the upper surface of the central portion of the connecting bar 1120, the lower surface of the connecting bar 1120 corresponding to the end position of the cutting groove 1121 is minute Cutting crack 1122 is formed.

As shown in FIG. 16, the cutting groove 1121 has an inner side surface 1121-1 when the center of the connection bar 1120 is bent downward and the ends of the connection bar 1120 are bent upward. The engagement bar 1120 is easily broken through the cutting crack 1122 by engaging with each other and acting as a lever.

Specifically, the center of the connection bar 1120 having the cutting groove 1121 is formed to have a relatively reduced thickness compared to other portions of the connection bar 1120, so that it is easy to break. When the connecting bar 1120 is bent as shown in FIG. 16, the inner surfaces 1121-1 of the cutting grooves 1121 are engaged with each other from the uppermost side according to the bending degree.

Therefore, the connecting bar 1120 can be easily broken by the lever principle that the inner surface 1121-1 of the interlocking portion becomes the supporting point and the lower surface of the center of the connecting bar 1120 on which the cutting crack 1122 is formed.

The cutting crack 1122 is a kind of crack formed near the working point so that the breaking of the connecting bar 1120 can be easily started, but it is not necessarily provided. That is, in the staple 1100 according to the third embodiment of the present invention, a cutting groove 1121 is formed on an upper surface of the connecting bar 1120, and a cutting crack 1122 may not be provided on the lower surface of the staple 1100.

At this time, the inner surface (1121-1) of the cutting groove 1121, the inclination (θ ₁ ) with respect to the upper surface of the connecting bar 1120 is 70 in order to engage more quickly as the connecting bar 1120 is bent. It may be provided at more than °.

In addition, in the third embodiment of the present invention, one cutting groove 1121 is preferably provided in the center of the upper surface of the connecting bar 1120 in the shape of a wedge, but its shape, position and number are necessarily limited thereto. It doesn't happen.

For example, the cutting groove 1121 has a lower portion formed in the shape of a wedge, the upper portion of the inner surface (1121-1) is formed in a shape parallel to each other at 90 ° with respect to the upper surface of the connecting bar 1120. It may be, may be provided on the lower surface of the left or right end of the connection bar 1120, two or more may be provided.

As such, when the cutting groove 1121 is provided on the bottom surface of the connection bar 1120, the cutting crack 1122 may be formed at a position corresponding to the end of the cutting groove 1121 on the top surface of the connection bar 1120. .

On the other hand, the cutting groove 1121 is preferably formed through a cutting process for the connecting bar 1120. However, the method of forming the cutting groove 1121 is not limited thereto, and may be formed through a molding process such as a press-fit process. In the third embodiment of the present invention, the staple 1100 formed with the cutting groove 1121 through the indentation process is as shown in FIG. 14.

15 to 19, the use state of the staple 1100 according to the third embodiment of the present invention will be described in detail.

FIG. 15 illustrates a state where a plurality of papers 1200 are bundled and fixed by a staple 1100 according to a third embodiment of the present invention. In this case, the through holes 1210 are formed in the plurality of pieces of paper 1200 by the curved needles 1110.

First, as shown in FIG. 16, in order for the user to remove the staples 1100 from the plurality of papers 1200, the center of the connection bar 1120, that is, the portion in which the cutting groove 1121 is formed, is connected downward. Both ends of the bar 1120 break the connection bar 1120 by bending the connection bar 1120 upward.

Thereafter, as illustrated in FIG. 17, the broken one side 1100-1 of the staple is simply removed through the through hole 1210 while holding the curved curved needle 1110. Thereafter, the staples 1100 can be completely removed from the plurality of papers 1200 by removing the other side 1100-2 of the staples in the same manner.

On the other hand, since the paper 1200 of about a dozen sheets can be easily bent and the length of the through-hole 1210, a simple removal method as described above can be used, but more than twenty sheets of paper 1200 through Since the length of the hole 1210 is long and does not easily bend, another removal method is used.

First, after breaking the connecting bar 1120 through the process shown in FIG. 16, as shown in FIG. 18, the connecting bar 1120 using the broken end of the broken one side 1100-1 of the staple. ) And the connecting portion of the curved needle 1110. That is, by lifting the connecting bar 1120 perpendicular to the upper surface of the paper 1200, the connecting bar 1120 can pass through the through-hole 1210.

Thereafter, as illustrated in FIG. 19, the broken one side 1100-1 of the staple is simply removed through the through hole 1210 while holding the curved curved needle 1110. Thereafter, the staples 1100 can be completely removed from the plurality of papers 1200 by removing the other side 1100-2 of the staples in the same manner.

Hereinafter, the configuration and operation effects of the staple 1100 ′ according to the fourth embodiment of the present invention will be described in detail with reference to FIGS. 20 through 25. The staple 1100 'according to the fourth embodiment of the present invention is similar to the configuration of the staple 1100 according to the third embodiment of the present invention except for the cutting groove 1121' and the pair of protrusions 1123. Do. Therefore, hereinafter, the cutting groove 1121 'and the pair of protrusions 1123 of the staple 1100' according to the fourth embodiment of the present invention will be described.

In the staple 1100 ′ according to the fourth embodiment of the present invention, as shown in FIG. 20, a cutting groove 1121 ′ is formed at a lower surface of a central portion of the connection bar 1120 ′, and the connection bar 1120 ′ is formed. A pair of protrusions 1123 are formed on both sides of the cutting groove 1121 ′ on the upper surface thereof so as to contact each other.

As shown in FIG. 22, when the pair of protrusions 1123 is bent toward the center of the connection bar 1120 'and both ends thereof upward, the pair of protrusions 1123 engage with each other. It acts as a lever so that the connection bar 1120 'is easily broken through the cutting groove 1121'.

Specifically, the center of the connection bar 1120 'having the cutting grooves 1121' is formed to have a relatively reduced thickness compared to other portions of the connection bar 1120 ', thereby facilitating breakage.

When the connecting bar 1120 'is bent, the outer surfaces of the pair of protrusions 1123 are engaged with each other according to the bending, and the outer surfaces of the engaged protrusions 1123 become the supporting points, and the cutting grooves 1121' The connecting bar 1120 ′ can be easily broken by the lever principle that the end of the lever is a working point.

On the other hand, as shown in Figure 24, the inner side (1121-1) of the cutting groove 1121 'has an inclined form with respect to the upper surface of the paper 1200, thereby stabilizing the staple (1100') paper 1200 In order to remove it from the staple, it is easy to be caught by the user's fingernails when the connection part of the connecting bar 1120 'and the curved needle 1110' is extended to the broken side 1100-1 'of the staple. do.

To this end, the inner surface (1121-1) of the cutting groove 1121 'is preferably provided with an inclination (θ ₂ ) with respect to the lower surface of the connecting bar (1120') 30 ° or more and 80 ° or less. The reason is that when the inner surface 1121-1 of the cutting groove 1121 ′ has an inclination of less than 30 ° with respect to the bottom surface of the connecting bar 1120 ′, the one side 1100-1 ′ of the staple is broken. When performing the operation of straightening the connecting portion of the connecting bar 1120 'and the curved needle 1110', the user's nails may be difficult to catch, and if the inclination exceeds 80 °, the cutting groove 1121 ' This is because the user's fingernails are not helped to catch, similarly to the case where the medial side 1121-1 has an inclination of 90 °.

On the other hand, the broken portion of the center of the staple 1100 'may have a sharp shape by the cutting groove 1121', so that the connecting bar 1120 'and the curved needle with respect to the broken side 1100-1' of the staple. When unfolding the connection of 1110 ', a user may have a safety accident where a part of the body is cut by a sharp fractured part.

However, in the fourth embodiment of the present invention, as shown in Fig. 24, when the staple 1100 'is broken, the protrusion 1123 is positioned at the broken portion to prevent the broken portion from being sharpened. Prevent the occurrence of safety accidents.

21 to 25, a state of use of the staple 1100 ′ according to the fourth embodiment of the present invention will be described in detail.

FIG. 21 illustrates a state where a large amount of paper 1200 is bundled and fixed by a staple 1100 'according to a fourth embodiment of the present invention. In this case, the through hole 1210 is formed in the large amount of paper 1200 by the curved needle 1110 ′.

First, as shown in FIG. 22, in order for a user to remove the staples 1100 ′ from a large amount of paper 1200, the center of the connection bar 1120 ′, that is, the portion where the cutting groove 1121 ′ is formed, is lower side. As a result, both ends of the connection bar 1120 'bend the connection bar 1120' upward, thereby breaking the connection bar 1120 '.

Thereafter, as shown in FIG. 23, the broken one side 1100-1 ′ of the staple is slightly rotated about the through hole 1210, so that the subsequent connecting bar 1120 ′ and the curved needle 1110 ′ are rotated. Make it easy to straighten the connection.

Next, as shown in FIG. 24, the connection part of the connection bar 1120 ′ and the curved needle 1110 ′ are folded using the broken end with respect to the broken side 1100-1 of the staple. That is, by lifting the connecting bar 1120 'perpendicular to the top surface of the paper 1200, the connecting bar 1120' may pass through the through hole 1210.

At this time, the inner surface (1121-1 ') of the cutting groove 1121' inclined with respect to the upper surface of the paper 1200 so that the user's fingernails can be easily caught on the broken end of the connecting bar (1120 '), The protrusion 1123 prevents the occurrence of a safety accident due to the broken end when the user lifts the broken end.

Thereafter, as illustrated in FIG. 25, the broken one side 1100-1 ′ of the staple is simply removed through the through hole 1210 while holding the curved curved needle 1110 ′. Thereafter, the staples 1100 ′ can be completely removed from the plurality of pieces of paper 1200 by removing the other side 1100-2 ′ of the staples.

In the fourth embodiment of the present invention, the broken one side and the other side (1100-1 ', 1100-2') of the staples after the connecting portion of the connecting bar 1120 'and the curved needle 1110' Although described in such a way as to be removed from the (1200), but not limited to this, in the case of fixing a small amount of paper (1200) bundles, without penetrating the connection portion of the connecting bar (1120 ') and the curved needle (1110'), through A method of directly removing through the hole 1210 may also be used.

As described above, the staples 1100 and 1100 'according to the present invention are easily broken by the cutting grooves 1121 and 1121', thereby easily removing them from the bundled paper 1200 without using a separate staple remover. Can be.

The present invention relates to a stapler, which can be used in a stapler for attaching a staple to a bundle-fixing paper so that a staple that bundles a plurality of sheets of paper can be easily removed without using a separate staple remover.

Although the present invention has been described in detail only with respect to the described embodiments, it will be apparent to those skilled in the art that various changes and modifications can be made within the technical scope of the present invention, and those belonging to the appended claims are naturally obvious. will be.

Claims

A magazine unit in which a connecting bar having a right angle with respect to the pair of curved needles is loaded with staples integrally formed at an upper end of the pair of curved needles;

A handle part including a driver plate for extruding the staples loaded in the magazine part, the handle part being coupled to or separated from an upper side of the magazine part;

A cutting groove forming part provided in the handle part to form at least one cutting groove in the staple; And

A base provided with a curved groove for bending the pair of curved needles of the staple extruded by the driver plate;

Stapler comprising a.
The method of claim 1,

The cutting groove forming unit,

The stapler, characterized in that for forming at least one cutting groove in the center of the connecting bar of the staple.
The method according to claim 1 or 2,

The cutting groove forming unit,

One or more cutting groove forming protrusions protruding from one surface of the driver plate to form one or more cutting grooves in the connecting bar when the staples are extruded;

The stapler, characterized in that it comprises a.
The method according to claim 1 or 2,

The cutting groove forming unit,

A transfer bar having one end guided and reciprocated by a long hole or a long groove formed along the lengthwise direction of the magazine, the other end connected to be pivotable to the handle part; And

At least one cutting groove forming blade provided at one end of the transfer bar; including,

The stapler, characterized in that one or more cutting grooves are formed in the connection bar of the staple by the cutting groove forming blade while one end of the transfer bar is slidingly transferred when the handle portion is coupled to the upper side of the magazine portion.
In the staples which bundle and fix a plurality of sheets of paper,

A pair of curved needles that are curved through the plurality of papers; And

And a connection bar integrally formed at an upper end of the pair of curved needles so as to form a right angle with respect to the pair of curved needles, and formed with at least one cutting groove.

The connecting bar is,

Staples, characterized in that the cut groove is easily broken when the portion is formed by the cutting groove.
The method of claim 5,

The cutting groove,

The staples, characterized in that one is formed on one side of the central portion of the connecting bar.
The method of claim 5,

The connecting bar is,

A cutting crack formed at a position corresponding to an end of the cutting groove on the other side of the surface on which the cutting groove is formed;

The staples comprising a.
The method according to any one of claims 5 to 7,

The cutting groove,

The staple is formed on the upper surface of the connecting bar, the inner surface has an inclination of 70 ° or more and 90 ° or less with respect to the top surface of the connection bar.
The method of claim 5,

The connecting bar is,

A pair of protrusions formed so as to be in contact with or adjacent to each other on both sides of a position corresponding to an end of the cutting groove on the other surface opposite to one surface on which the cutting groove is formed;

The staples comprising a.
The method according to any one of claims 5, 6 and 9,

The cutting groove,

The staple is formed on the lower surface of the connecting bar, the inner surface has an inclination of 30 ° to 80 ° with respect to the lower surface of the connecting bar.
The method of claim 5,

The cutting groove,

The staple is formed by cutting or forming.