KR101742246B1 - A paper boring machine - Google Patents

A paper boring machine Download PDF

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Publication number
KR101742246B1
KR101742246B1 KR1020160014748A KR20160014748A KR101742246B1 KR 101742246 B1 KR101742246 B1 KR 101742246B1 KR 1020160014748 A KR1020160014748 A KR 1020160014748A KR 20160014748 A KR20160014748 A KR 20160014748A KR 101742246 B1 KR101742246 B1 KR 101742246B1
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KR
South Korea
Prior art keywords
hole
space
paper
guide
perforation
Prior art date
Application number
KR1020160014748A
Other languages
Korean (ko)
Inventor
노희옥
Original Assignee
노희옥
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Priority to KR1020160014748A priority Critical patent/KR101742246B1/en
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Publication of KR101742246B1 publication Critical patent/KR101742246B1/en

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
    • B42D—BOOKS; BOOK COVERS; LOOSE LEAVES; PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITY FEATURES; PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOT OTHERWISE PROVIDED FOR; DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDED FOR; MOVABLE-STRIP WRITING OR READING APPARATUS
    • B42D25/00—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof
    • B42D25/30—Identification or security features, e.g. for preventing forgery
    • B42D25/346—Perforations
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26F—PERFORATING; PUNCHING; CUTTING-OUT; STAMPING-OUT; SEVERING BY MEANS OTHER THAN CUTTING
    • B26F1/00—Perforating; Punching; Cutting-out; Stamping-out; Apparatus therefor
    • B26F1/02—Perforating by punching, e.g. with relatively-reciprocating punch and bed
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26F—PERFORATING; PUNCHING; CUTTING-OUT; STAMPING-OUT; SEVERING BY MEANS OTHER THAN CUTTING
    • B26F1/00—Perforating; Punching; Cutting-out; Stamping-out; Apparatus therefor
    • B26F1/02—Perforating by punching, e.g. with relatively-reciprocating punch and bed
    • B26F1/14—Punching tools; Punching dies
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
    • B42D—BOOKS; BOOK COVERS; LOOSE LEAVES; PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITY FEATURES; PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOT OTHERWISE PROVIDED FOR; DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDED FOR; MOVABLE-STRIP WRITING OR READING APPARATUS
    • B42D25/00—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof
    • B42D25/30—Identification or security features, e.g. for preventing forgery
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
    • B42D—BOOKS; BOOK COVERS; LOOSE LEAVES; PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITY FEATURES; PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOT OTHERWISE PROVIDED FOR; DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDED FOR; MOVABLE-STRIP WRITING OR READING APPARATUS
    • B42D25/00—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof
    • B42D25/40—Manufacture
    • B42D25/405—Marking
    • B42D25/43—Marking by removal of material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
    • B42F—SHEETS TEMPORARILY ATTACHED TOGETHER; FILING APPLIANCES; FILE CARDS; INDEXING
    • B42F13/00—Filing appliances with means for engaging perforations or slots
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
    • B42P—INDEXING SCHEME RELATING TO BOOKS, FILING APPLIANCES OR THE LIKE
    • B42P2241/00—Parts, details or accessories for books or filing appliances
    • B42P2241/08—Perforations or slots that can cooperate with filing means as claws, rings or the like

Abstract

BACKGROUND OF THE INVENTION 1. Field of the Invention [0002] The present invention relates to a composite perforator for simultaneously performing paper perforating operations for preventing forgery and theft of checks, gift certificates, securities, important documents and the like, And a lid provided on one of the open sides of the main body, wherein the work member is provided with a plurality of projections, A first insertion hole communicating with the first insertion hole and a first insertion hole communicating with the first insertion hole and a bottom surface extending from the upper surface to the bottom surface, An insertion member which is formed so that at least one through hole extends from the upper surface to the bottom surface and at least one protrusion is formed on the upper surface around the first through hole, A pair of side plates provided with first fitting grooves formed on both sides of the insertion member and having second fitting grooves formed on the first fitting grooves and guide holes guided along the guide rods, Wherein at least one of the first and second perforation fins extending through the first and second through holes is formed to protrude from the bottom surface at least around the guide hole, A support plate having a pair of engagement holes formed in the first and second fitting grooves so as to be engaged with the first and second engagement grooves, A rotary shaft provided to be rotatably installed in the hole and an operation cam provided eccentrically to the rotary shaft and closely attached to the upper and lower inner surfaces of the working space, The first puncturing pin is formed to be able to pass through only the first inserting space, and the puncturing member is guided and raised by the guide rod by the rotation of the operating cam closely attached to the upper and lower inner surfaces of the operating space, And the second perforation pin passes through the second insertion space through the second perforation hole.

Description

A paper boring machine.

The present invention relates to a compound perforator, and more particularly, to a compound perforator that simultaneously performs a perforation operation to prevent forgery and theft of a check, a gift certificate, a securities, an important document and the like.

In general, government agencies, local governments, banks and department stores borrowed the names, letters and numbers of institutions issued to all checks, gift certificates, securities, important documents issued by using perforators.

In other words, through puncturers, the mark was used for the verification and identification of documents such as checks, gift certificates, securities, and important documents.

In this connection, Japanese Unexamined Patent Publication (Kokai) No. 2002-229903 discloses a printer having a main body having an insertion portion for supporting a sheet to be inserted and installed on one surface of a fixing portion, a lift portion inserted between the fixing portion and the insertion portion so as to be vertically movable, And a driving unit including a driving motor for vertically moving the perforating member up and down. The driving unit includes a driving unit for driving the elevating unit to move up and down And at the same time, the perforation fin of the perforation moves to the top and bottom, and one or more holes are drilled on the surface of the paper, and guide grooves are formed on one side of the fixing part, A guide protrusion is formed on the upper surface of the body, and a height adjusting device for adjusting the height of the hole is provided on the upper surface of the body, And a support bolt whose end is screwed to the front end of the throttle plate and which is supported on one surface of the perforation member, and a switch for stopping the operation of the drive motor is provided on one surface of the perforation member on which the support bolt is supported A perforator was provided.

However, at present, there is a demand for a perforator capable of perforating a paper sheet for separating documents as well as paper perforation for preventing forgery and theft of checks, gift certificates, securities, and important documents as in Patent Document 1 .

That is, there is a need for a perforator which can simultaneously perform perforation of each paper.

Patent Document 1: Korean Patent No. 10-0827834 (registered on April 29, 2008)

Accordingly, it is an object of the present invention to provide a composite perforator that simultaneously performs a paper perforation operation to prevent forgery and theft of checks, gift certificates, securities, and important documents, and a paper perforation operation to fix a document.

According to an aspect of the present invention, there is provided an image forming apparatus including: a main body having one side opened to see an internal space; a work member installed in an internal space to perform a sheet punching operation; The first and second insertion spaces are formed on the side surfaces of the paper, and the first through holes communicating with the first and second insertion spaces are formed through at least one hole from the top surface to the bottom surface, An insertion member having at least one through hole extending from the top surface to the bottom surface and communicating with the second insertion space around the first through hole and formed so as to protrude at least one from the top surface around the first through hole, A pair of side plates provided on both sides of the insertion member and provided with first fitting grooves fitted to one of both sides of the insertion member and having second fitting grooves formed on the first fitting grooves, Wherein at least one guide hole is formed through at least one guide hole from the upper surface to the bottom surface, and at least one of the first and second perforation fins protruding from the bottom surface is formed around the guide hole, A support plate having an engaging hole formed between the upper end and the lower end of the second engaging groove, a second engaging recess formed at an upper end of the engaging member, And an operation motor provided between the side plates and having an operating cam which is eccentrically provided on the rotating shaft so as to be in close contact with the upper and lower inner surfaces of the operating space, The first puncturing pin is formed so as to penetrate only to the first insertion space, and the puncturing member is guided to the guide rod by the rotation of the operation cam closely attached to the upper and lower inner surfaces of the operating space While elevating the first perforation pins to pass through the first insertion space through the first through hole, the second perforation pin provides a composite boring machine, characterized in that passing through the second insertion room through the second through-hole.

The present invention has the effect that the first and second puncturing pins simultaneously open the holes of the paper inserted into the first and second insertion spaces while the puncturing member is lifted and lowered by the rotation of the operation cam closely attached to the upper and lower inner surfaces of the working space have.

That is, there is an effect that the paper punching operation is performed at one time in the first and second insertion spaces, respectively.

In other words, there is an effect that authentication holes for document verification and identification to prevent forgery and theft of checks, gift certificates, securities, important documents, and holes for stapling documents are simultaneously performed by a single sheet punching operation.

The present invention can insert more paper into the second insertion space, which is longer than the first insertion space, so that a thin paper is gathered in the first insertion space, and at the same time, There is an effect that the insertion can be performed.

The present invention has the effect of inserting paper having various areas into the first and second insertion spaces, respectively, since the paper inserted into the first and second insertion spaces is not caught by the first and third insertion grooves of the side plates have.

Since the second through hole and the second through hole are larger in outer diameter than the first through hole and the first through hole, even if more paper than the first insertion space is inserted into the second insertion space, There is an effect that can be performed.

In addition, there is an effect that the load of the operation motor is reduced when the thick paper is punched.

Since the guide member does not shake the paper during the paper punching operation, it has the effect of preventing the hole from being punched in an undesired position due to the disorder of the paper shape.

1 is an exploded perspective view of a composite perforator according to an embodiment of the present invention,
FIG. 2 is an assembled perspective view of a composite perforator according to an embodiment of the present invention,
FIG. 3 is a perspective view of a composite perforator according to an embodiment of the present invention,
FIG. 4 is a front view of a composite perforator according to an embodiment of the present invention, excluding a cover, and a side view excluding a cover and one side plate;
5 and 6 are a detailed view of an insertion member and a perforated member according to an embodiment of the present invention,
7 and 8 are use state diagrams of a compound puncturer according to an embodiment of the present invention.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, a configuration of a specific embodiment of the present invention will be described with reference to the accompanying drawings.

1 through 8, the compound perforator 100 according to the embodiment of the present invention is used to prevent forgery and theft of checks, gift certificates, securities, important documents, and the like, and to stitch documents.

The composite perforator 100 includes a main body 10 having one side opened so that the internal space 11 can be seen, a working member 20 installed in the internal space 11 to perform a punching operation, And a lid 30 provided on one side of the open side of the lid 10.

Here, the lid 30 is provided with an operation unit capable of operating the work member 20, and the operation unit can manipulate manual, automatic, paper drilling operation time, and the like.

The working member 20 is provided with first and second insertion spaces 21a and 21b at the side where the paper is inserted up and down respectively and the first and second insertion spaces 21a and 21b A second through hole 21d communicating with the second insertion space 21b is formed in the vicinity of the first through hole 21c from the top surface to the bottom surface of the first through hole 21c, And at least one guide bar 21e protruding from the upper surface around the first through hole 21c.

The working member 20 is provided on both sides of the insertion member 21 and is formed with a first fitting groove 22a fitted to one of both sides of the insertion member 21, And a pair of side plates 22 on which a second fitting groove 22b is formed on the fitting groove 22a.

The working member 20 is formed with at least one guide hole 23a guided along the guide bar 21e from the upper surface to the bottom surface and is formed around the guide hole 23a, The first and second perforation pins 23b and 23c penetrating through the guide holes 21c and 21d are formed on at least one side of the bottom surface of the guide hole 23a. And a puncturing member 23 protruding from the upper surface and having an operating space 23d 'formed between the upper surface and the operating portion 23d.

Here, the first perforation pin 23b is formed so as to penetrate only to the first insertion space 21a.

The working member 20 further includes a support plate 24 fitted to each of the second fitting grooves 22b and having a coupling hole 24a formed therebetween.

The working member 20 includes a rotary shaft 25a which is installed to be rotatably installed in the engaging hole 24a through the working space 23d 'and an operating space 23d' which is eccentrically installed on the rotary shaft 25a. And an actuating motor 25 provided between the side plates 22 so as to be in close contact with the upper and lower inner surfaces of the actuating cam 25b.

The second insertion space 21b is longer than the first insertion space 21a.

That is, the second insertion space 21b is formed to insert more paper than the first insertion space 21a.

The first fitting groove 22a of the side plate 22 is formed so as not to catch the paper inserted into the second insertion space 21b and the first fitting groove 22a of the side plate 22, A third fitting groove 22c is formed between the first insertion groove 22b and the second insertion groove 22b so that the paper inserted into the first insertion space 21a is not caught.

That is, the first and second fitting grooves 22a and 22c are formed so that the paper having a larger area than the first and second insertion spaces 21a and 21b is inserted into the first and second insertion spaces 21a and 21b As shown in Fig.

The second through hole 21d has an outer diameter larger than the first through hole 21c and the second through hole 23c has an outer diameter larger than the first through hole 23b.

That is, the second through-hole 21d and the second perforation pin 23c can pierce a larger hole in the paper than the first through-hole 21c and the first perforation pin 23b, 21a of the recording medium.

In addition, a guide member 12 is installed on one side of the open side of the main body 10 so as to prevent paper from being shaken during the paper punching operation.

Here, the main body 10 is provided with a mounting hole 10a passing through both side surfaces thereof, and the guide member 12 is installed so as to move along the mounting hole 10a.

5, the insertion member 21 includes a first plate 21-1 provided with first and second through holes 21c and 21d, a first plate 21-1 A first spacer 21-2 provided on a bottom surface of the first spacer 21-2 and having a second through hole 21d and a second spacer 21-2 provided on the bottom surface of the first spacer 21-2, A second spacer 21-3 provided on the bottom surface of the second plate 21-3 and a second spacer 21-4 provided on the bottom surface of the second spacer 21-3, A third plate 21-5 provided on the bottom surface of the first plate 21-1 and provided with first and second through holes 21c and 21d, And a guide bar 21e is included.

Here, the first through holes 21c of the first and second plates 21-1 and 21-3 are formed of a plurality of letters or numerals, and the first through holes 21c of the third plate 21-5 The through holes 21c are formed in a rectangular shape wider than the sum of the first through holes 21c of the first and second plates 21-1 and 21-3.

The third plate 21-5 is further protruded from both sides of the first and second plates 21-1 and 21-3 so that the first fitting groove 22a of each side plate 22, Respectively.

In addition, the first and second plates 21-1 and 21-3 may include first and second plates 21-1 and 21-2 having a plurality of first through holes 21c, 21-3).

The second spacing plate 21-4 is formed to be longer than the first spacing plate 21-2 so that the first spacing plate 21-2 is disposed between the first and second plates 21-1 and 21-3, A second insertion space 21b having a height greater than the first insertion space 21a is formed between the second and third plates 21-3 and 21-5.

The height of the first and second insertion spaces 21a and 21b is equal to the height of the first and second spacing plates 21-2 and 21-4 21-4).

As shown in FIG. 6, the perforated member 23 includes a contact plate 23d-1, a support bar 23d-2 provided on both sides of the bottom surface of the contact plate 23d-1, A first plate 23-1 provided on the support bar 23d-2 and provided with a guide hole 23a and a plurality of second plates 23-1 provided on the bottom surface of the first plate 23-1, And a second plate 23-2 having a first hole 23b and a guide hole 23a and a second hole 23c.

The supporting plate 23d-2 is provided on both sides of the bottom surface of the contact plate 23d-1 and is formed of an operating portion 23d. The bottom surface of the contact plate 23d-1 and the first plate 23d- -1) is formed between the upper surfaces of the upper and lower plates.

That is, the operation cam 25b is brought into close contact with the bottom surface of the contact plate 23d-1 and the upper surface of the first plate 23-1, that is, the upper and lower inner surfaces of the working space 23d '.

The second plate 23-2 of the perforated member 23 is provided with the first perforation pin 23b so as to fit into each of the first through holes 21c of the insertion member 21, Respectively.

Of course, when each of the first through holes 21c of the insertion member 21 is represented by another character or another numeral or the like, the second plate 23-2 of the perforated member 23 is connected to the other character or another number (23-2) of the other perforated member (23) provided with the first perforation pin (23b) so as to match each of the first through holes (21c) of the insertion member (21) .

The first and second through holes 21c and 21d of the insertion member 21 are formed such that crushed papers broken by the paper punching operation are gathered And the main body 10 communicates with the inner space 11 of the main body 10, and the main body 10 may further include a collection container for collecting the crushed papers by the punching operation.

Therefore, in the compound perforator 100 according to the embodiment of the present invention, the perforated member 23 is guided by the guide rod 21e by the rotation of the operating cam 25b, which is in close contact with the upper and lower inner surfaces of the operating space 23d ' The first perforation pin 23b passes through the first insertion hole 21a through the first through hole 21c and the second through hole 21d passes through the second insertion hole 21a Through the second insertion space 21b.

The operation and effect of the composite puncturer 100 according to the embodiment of the present invention will be described as follows.

As shown in FIGS. 1 to 8, the paper is inserted into the first and second insertion spaces 21a and 21b, respectively.

In this case, a sheet of paper, such as a check, a voucher, a securities or an important document, is inserted into the first insertion space 21a, and a sheet of paper or the like is inserted into the second insertion space 21b.

At this time, since the second insertion space 21b is formed to be longer than the first insertion space 21a, more paper is inserted than the first insertion space 21a.

Since the first insertion groove 22a of the side plate 22 is formed so as not to catch the paper inserted into the second insertion space 21b, the paper having a larger area than the second insertion space 21b And inserted into the second insertion space 21b.

Of course, since the third insertion groove 22c of the side plate 22 is also formed so as not to catch the paper inserted into the first insertion space 21a, the paper having a larger area than the first insertion space 21a And inserted into the first insertion space 21a.

Then, the guide member 12 is brought into close contact with one side surface of the sheet to adjust its position, and then the operation motor 25 is operated through the operation unit.

Then, the rotary shaft 25a is rotated so as to approach the upper inner surface from the lower inner surface of the operating space 23d ', and the operation cam 25b presses the hollow member 23 downward strongly.

At this time, the perforated member 23 is guided and descended by the guide rod 21e inserted in the guide hole 23a, and the first perforation pin 23b is simultaneously inserted through the first through hole 21c, And the second perforation pin 23c penetrates the second insertion space 21b through the second through hole 21d that does not communicate with the first insertion space 21a.

That is, the first perforation pin 23b formed so as to penetrate to the first insertion space 21a only penetrates the paper inserted into the first insertion space 21a, and the second perforation pin 23c 2 holes are made only in the paper inserted in the insertion space 21b.

The rotary shaft 25a is rotated so as to approach the inner surface of the lower portion from the inner surface of the upper portion of the operating space 23d 'so that the operating cam 25b presses the operating portion 23d upward.

At this time, the perforated member 23 is guided and guided by the guide bar 21e inserted in the guide hole 23a, and at the same time, the first perforation pin 23b is inserted through the first through hole 21c, And the second perforation pin 23c is removed from the second insertion space 21b through the second through hole 21d which does not communicate with the first insertion space 21a.

That is, the perforated member 23 is guided by the guide rods 21e by the rotation of the operation cam 25b closely attached to the upper and lower inner surfaces of the operation space 23d ', thereby performing the paper punching operation.

In other words, the paper drilling operation of the composite perforator 100 is performed simultaneously in the first and second insertion spaces 21a and 21b.

The second through hole 21d and the second perforation pin 23c are larger in outer diameter than the first through hole 21c and the first perforation pin 23b, And a hole larger than the sheet of paper is formed on the sheet inserted in the second insertion space 21b.

In addition, the paper inserted into the second insertion space 21b more smoothly than the paper inserted in the first insertion space 21a.

In addition, the guide member 12 prevents the paper from shaking when the paper is punched.

The crushed crushed papers by the punching operation are collected in the inner space 11 of the main body 10 communicating with the first and second through holes 21c and 21d.

When the paper punching operation is completed, the paper inserted into the first insertion space 21a is provided with a hole for preventing forgery and theft of checks, gift certificates, securities, important documents, etc., and the second insertion space 21b Is formed with a hole for binding the document.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is to be understood that the invention is not limited to the disclosed exemplary embodiments, but, on the contrary, Various changes and modifications may be made by those skilled in the art.

10: main body 11: inner space
12: guide member 20: workpiece
21: insertion member 21a: first insertion space
21b: second insertion space 21c: first through hole
21d: second through hole 21e: guide rod
22: side plate 22a: first fitting groove
22b: second fitting groove 22c: third fitting groove
23: perforation member 23a: guide hole
23b: first perforation pin 23c: second perforation pin
23d: Operation part 23d ': Operation space
24: Support plate 24a: Coupling hole
25: Operation motor 25a:
25b: operation cam 30: cover
100: compound perforator

Claims (5)

A main body 10 which is opened at one side so as to see the internal space 11, a working member 20 which is installed in the internal space 11 and performs a paper punching operation, (30)
The working member (20)
The first and second insertion spaces 21a and 21b are formed on the side surfaces of the paper and the first through hole 21c communicating with the first and second insertion spaces 21a and 21b And at least one second through hole 21d communicating with the second insertion space 21b is formed around the first through hole 21c from at least one of the upper surface to the bottom surface An insertion member 21 having a guide bar 21e protruding from the upper surface at least around the first through hole 21c,
A first fitting groove 22a is formed on both sides of the insertion member 21 and fitted to one of both sides of the insertion member 21 and a second fitting groove 22b is formed on the first fitting groove 22a, A pair of side plates 22 formed with grooves 22b,
A guide hole 23a guided along the guide rod 21e is formed to penetrate through at least one hole from the top surface to the bottom surface and the first and second through holes 21c and 21d are formed around the guide hole 23a The first and second perforation pins 23b and 23c protrude from the bottom surface of the guide hole 23a and an operation portion 23d of an ∩ shape protrudes from the upper surface of the guide hole 23a, A puncturing member 23 having an operating space 23d 'formed between the operating portion 23d and the operating portion 23d,
A support plate (24) fitted in each of the second fitting grooves (22b) and having a coupling hole (24a) formed therebetween,
A rotating shaft 25a which is installed to be rotatably installed in the engaging hole 24a through the operating space 23d 'and an eccentrically mounted rotating shaft 25a which is in close contact with the upper and lower inner surfaces of the working space 23d' And an operation motor 25 provided with an operation cam 25b and installed between the respective side plates 22,
The first piercing pin 23b is formed so as to pass through only the first insertion space 21a,
The drilling member 23 is guided and raised by the guide rod 21e by the rotation of the operation cam 25b closely attached to the upper and lower inner surfaces of the operating space 23d ' Through the first through hole 21c and the second through hole 21c through the second insertion space 21b through the first through hole 21c and the second through hole 21d, Compound perforator. The method according to claim 1,
Wherein the second insertion space (21b) is formed to have a height longer than the first insertion space (21a). 3. The method according to claim 1 or 2,
The side plate 22 is formed such that the first insertion groove 22a is formed so as not to catch the paper inserted into the second insertion space 21b and the first insertion groove 22a is formed between the first insertion groove 22a and the second insertion groove 22b, And a third fitting groove (22c) is formed so that the paper inserted into the space (21a) is not caught. The method of claim 3,
The second through hole 21d has an outer diameter larger than the first through hole 21c and the second through hole 23c has an outer diameter larger than the first through hole 23b,
Wherein the paper inserted into the second insertion space (21b) is formed with a hole for biasing by the second perforation pin (23c) during the paper perforating operation. 5. The method of claim 4,
And a guide member (12) is provided on one side of the main body (10) opposite to the open side to prevent the paper from being shaken during the paper punching operation.
KR1020160014748A 2016-02-05 2016-02-05 A paper boring machine KR101742246B1 (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20210001025A (en) * 2019-06-26 2021-01-06 노희옥 A paper boring machine
KR102283239B1 (en) * 2020-06-18 2021-07-29 유병국 Drilling machine for security document
KR20220032433A (en) * 2020-09-28 2022-03-15 강한식 Perforator for certification that can be used by registered person
KR20220042891A (en) * 2020-09-28 2022-04-05 강한식 Perforator for certification to form holes of different diameters

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100827834B1 (en) 2007-07-30 2008-05-07 주식회사광명테크 Punching machine

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100827834B1 (en) 2007-07-30 2008-05-07 주식회사광명테크 Punching machine

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20210001025A (en) * 2019-06-26 2021-01-06 노희옥 A paper boring machine
KR102204266B1 (en) * 2019-06-26 2021-01-15 노희옥 A paper boring machine
KR102283239B1 (en) * 2020-06-18 2021-07-29 유병국 Drilling machine for security document
KR20220032433A (en) * 2020-09-28 2022-03-15 강한식 Perforator for certification that can be used by registered person
KR20220042891A (en) * 2020-09-28 2022-04-05 강한식 Perforator for certification to form holes of different diameters
KR102394144B1 (en) * 2020-09-28 2022-05-03 강한식 Perforator for certification to form holes of different diameters
KR102426114B1 (en) * 2020-09-28 2022-07-27 강한식 Perforator for certification that can be used by registered person

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