KR200485605Y1 - Large Capacity Ball Pen - Google Patents

Large Capacity Ball Pen Download PDF

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Publication number
KR200485605Y1
KR200485605Y1 KR2020160005777U KR20160005777U KR200485605Y1 KR 200485605 Y1 KR200485605 Y1 KR 200485605Y1 KR 2020160005777 U KR2020160005777 U KR 2020160005777U KR 20160005777 U KR20160005777 U KR 20160005777U KR 200485605 Y1 KR200485605 Y1 KR 200485605Y1
Authority
KR
South Korea
Prior art keywords
pipe
case
ballpoint pen
pen core
core member
Prior art date
Application number
KR2020160005777U
Other languages
Korean (ko)
Inventor
김현수
신광섭
Original Assignee
김현수
신광섭
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 김현수, 신광섭 filed Critical 김현수
Priority to KR2020160005777U priority Critical patent/KR200485605Y1/en
Application granted granted Critical
Publication of KR200485605Y1 publication Critical patent/KR200485605Y1/en

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
    • B43K—IMPLEMENTS FOR WRITING OR DRAWING
    • B43K24/00—Mechanisms for selecting, projecting, retracting or locking writing units
    • B43K24/02—Mechanisms for selecting, projecting, retracting or locking writing units for locking a single writing unit in only fully projected or retracted positions
    • B43K24/08—Mechanisms for selecting, projecting, retracting or locking writing units for locking a single writing unit in only fully projected or retracted positions operated by push-buttons
    • B43K24/088—Mechanisms for selecting, projecting, retracting or locking writing units for locking a single writing unit in only fully projected or retracted positions operated by push-buttons with spreading spring means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
    • B43K—IMPLEMENTS FOR WRITING OR DRAWING
    • B43K27/00—Multiple-point writing implements, e.g. multicolour; Combinations of writing implements
    • B43K27/08—Combinations of pens
    • B43K27/12—Combinations of pens of ball-point pens
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
    • B43K—IMPLEMENTS FOR WRITING OR DRAWING
    • B43K7/00—Ball-point pens
    • B43K7/005—Pen barrels
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
    • B43K—IMPLEMENTS FOR WRITING OR DRAWING
    • B43K7/00—Ball-point pens
    • B43K7/02—Ink reservoirs; Ink cartridges
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
    • B43K—IMPLEMENTS FOR WRITING OR DRAWING
    • B43K7/00—Ball-point pens
    • B43K7/10—Arrangements for feeding ink to the ball points
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
    • B43K—IMPLEMENTS FOR WRITING OR DRAWING
    • B43K7/00—Ball-point pens
    • B43K7/12—Ball-point pens with retractable ball points

Landscapes

  • Mechanical Pencils And Projecting And Retracting Systems Therefor, And Multi-System Writing Instruments (AREA)
  • Pens And Brushes (AREA)

Abstract

A large-capacity writing instrument, comprising: a case detachably coupled; A plurality of ballpoint pen core members movably installed inside the case; A knob provided at one side of the ballpoint pen core member such that the ballpoint pen core member protrudes and retracts to one side of the case; Wherein the ballpoint pen core member is formed in an elliptical shape so as to fill a large amount of solution so that the ballpoint pen core member has an elliptical shape, The user can fill the solution by 2 to 3 times or more, and as the solution is filled, the user can use the writing instrument for a long period of time regardless of the amount of the solution. It is not necessary to replace or replace the battery pack frequently.

Description

Large Capacity Ball Pen {Large Capacity Ball Pen}

The present invention relates to a large-capacity writing instrument, and more particularly, to a large-capacity writing instrument capable of accommodating a large amount of a ball-point pen in a ballpoint pen and being usable for a long period of time.

In general, a writing instrument such as a ball-point pen receives ink liquid inside a ball-point pen having a hollow cylindrical structure, and the ink liquid rotates through the ball of the ball nib which the ink liquid is rotated at an appropriate viscosity by surface tension, The ink liquid on the ball is discharged.

However, the common point of all these types of ballpoint pens is that a hollow long cylindrical ballpoint pen container is small in capacity, and when the internal ink liquid is consumed, the ball pen outer case is often discarded.

In particular, the ballpoint padding has a top opened structure. When the ink padded upside down is maintained, the ink liquid injected into the container is blown out, and the space between the outer case and the ballpoint pen is wide. However, There is a problem that the space between the ballpoint pen core and the case is wasted.

Such writing instruments such as ballpoint pens have a small capacity and a small capacity so that they are wasted because they have a short service life. In order to use the ballpoint pens, it is necessary to purchase them many times, Is also wasted.

Particularly, even if the ballpoint pen core is purchased and the ballpoint pen core is not used for replacement, the case is also used for one time and waste is generated.

On the other hand, the multi-purpose pen is formed of two or more pieces of a pen core constituting different colors. The multi-center pen is formed by pressing the pushing portions of the respective pen shims so that the pen shims can be written out alternately through one opening portion.

In addition, a plurality of cases are formed in which a part of the case of the multi-purpose pen is rotated to alternately form the pen core.

For example, a multi-purpose pen composed of a black pen, a red pen, and a blue pen may have a multi-purpose pen shape and configuration such as a multi-purpose pen capable of performing various functions without having to carry a plurality of writing instruments It is becoming diverse.

When using such a multi-purpose pen, a red or blue pen is usually used to mark an important part while writing with a black pen for note taking.

However, there is only one opening where the pendulum protrudes, so that a red or blue pen is pressed through the opening of the red or blue pen and then the black part is protruded by pushing the pressing part of the black pen again have.

For example, Patent Document 1 below discloses a multi-refill writing instrument provided with a rotary drawing type writing instrument.

A multi-refill writing instrument provided with a rotary pull-out writing instrument according to the following Patent Document 1 is characterized in that a plurality of writing bodies are movably provided along the longitudinal direction in a body having a working space, and a latching unit is provided in the operating space to support the writing bodies A writing hole for drawing one end of the writing body through a take-out opening provided in a lower portion of the body and writing and returning the writing body, wherein a fastening hole is formed in the upper face portion of the body, a through hole is formed in the fastening unit, And a piercing hole is formed in the piercing hole so as to guide the piercing hole in the piercing groove, and the piercing hole is formed in the piercing hole, A handle provided with a pivot shaft for rotating and moving the pin shaft is provided, and by the rotation of the handle The group field core gu move and be drawn out through the peel the core outlet.

The following Patent Document 2 discloses a ballpoint pen having a multi-container structure of an ink liquid container of a ballpoint pen core.

The ball-point pen having the multi-container structure of the ink-liquid container of the ball-point pen according to the following Patent Document 2 has a hollow cylindrical shape with a total length of hollow structure, four cross- And the cylindrical structure multi-container core of the ballpoint pen core is inserted and coupled into the inside of the upper structure of the single knife.

In addition, the shape and structure of the pen tip of the ballpoint pen core are made into a large cylindrical shape with a large upper part and a hollow cylindrical hollow structure with a lower part. The inside of the upper part is empty and the upper surface part is opened. A small perforated circular hole is formed from the inner bottom surface of the upper structure to the inner structure of the lower hollow cylindrical tube.

In addition, a ball bearing is inserted at the lowermost part of the ballpoint pen, and the ballpoint pen core is formed into an angular conical shape from the cylindrical surface to the inner surface, The combined ball pen tip and the cylindrical multi-container stem are coupled into the outer upper and lower coupling case of the ballpoint pen, and the circular compression coil spring is inserted into the outer periphery of the lower structure which is the outer bottom end of the ballpoint pen tip.

Korean Utility Model Publication No. 20-2013-0006363 (published on November 4, 2013) Korean Patent Publication No. 10-2002-0046252 (published on June 20, 2002)

However, in the writing implement according to the related art, since the ink liquid is embedded in the circular ballpoint pen core, the ink liquid filled in the ball pen core is filled with a small amount, and the writing implement can not be used for a long time due to the small amount of ink liquid there was.

An object of the present invention is to provide a large-capacity writing instrument capable of filling a large amount of ink liquid on a ballpoint pen core.

In order to achieve the above object, a large-capacity writing instrument according to the present invention is detachably coupled to a case; A plurality of ballpoint pen core members movably installed inside the case; A knob provided at one side of the ballpoint pen core member such that the ballpoint pen core member protrudes and retracts to one side of the case; And a dividing hole provided inside the case to guide movement of the ballpoint pen core member, wherein the ballpoint pen point pen member is formed in an elliptical shape so as to fill a large amount of solution.

Wherein the ballpoint pen core material has an elliptic shape having a predetermined length so as to fill a large amount of solution; An adapter coupled to one end of the pipe to discharge the solution contained in the pipe; And a tip coupled to one end of the adapter to discharge the solution contained in the pipe.

The adapter includes: a first coupling portion formed in an elliptical shape to be coupled to the pipe; And a second coupling portion formed in a circular shape to be coupled to the tip.

Wherein the divider has a cylindrical body having a predetermined length; A partition wall formed on one side of the main body; And an engaging hole formed in the partition wall in an elliptical shape so that the ballpoint pen core member is engaged.

The knob includes a button portion protruding from one side of the case; And a fitting portion extending in a predetermined length from the button portion and being formed in an elliptical shape to be inserted into and engaged with the ballpoint pen body member.

The case includes a first case having a plurality of engaging holes formed at one side thereof and a first engaging part at the other side so that the knob protrudes outward; A second fastening portion formed to be fastened to the first fastening portion, and a second case having a through-hole formed in such a manner that the ball-point pen-shaped member can be projected and retracted.

As described above, according to the large-capacity writing implement according to the present invention, the ballpoint pen core member has an elliptical shape, so that the ballpoint pen core member can be filled with a solution two to three times larger than a circular pipe. So that the user can use the writing instrument for a long period of time irrespective of the amount of the solution, and the writing instrument is not replaced or replaced frequently by the insufficient solution.

1 is a perspective view of a large-capacity writing instrument according to a preferred embodiment of the present invention,
Fig. 2 is a longitudinal sectional view of Fig. 1,
Figure 3 is a cross-sectional view of Figure 1,
4 is a longitudinal sectional view showing a large-capacity writing instrument according to a preferred embodiment of the present invention,
5 is a cross-sectional view illustrating a ballpoint pen core member of a large-capacity writing implement according to a preferred embodiment of the present invention,
FIG. 6 is a sectional view showing an adapter of a ballpoint pen core member according to a preferred embodiment of the present invention;
7 is a three-dimensional view showing a knob of a large-capacity writing instrument according to a preferred embodiment of the present invention,
FIG. 8 is a front view showing a knob of a large-capacity writing instrument according to a preferred embodiment of the present invention;
FIG. 9 is a perspective view showing a divided portion of a large-capacity writing implement according to a preferred embodiment of the present invention;
10 is a sectional view of Fig. 9,
11 is a side view of Fig. 9,
FIG. 12 is a sectional view showing a spring of a large-capacity writing implement according to a preferred embodiment of the present invention; FIG.

Hereinafter, a large-capacity writing instrument according to a preferred embodiment of the present invention will be described in detail with reference to the accompanying drawings.

1 is a cross-sectional view of FIG. 1, FIG. 3 is a cross-sectional view of FIG. 1, and FIG. 4 is a cross-sectional view of a preferred embodiment of the present invention Sectional view showing a large-capacity writing instrument according to a second embodiment of the present invention.

A large-capacity writing instrument according to a preferred embodiment of the present invention includes a case 10 detachably coupled, a plurality of ballpoint pen body members 30 movably installed in the case 10, A knob 50 installed on one side of the ballpoint pen core member 30 to protrude and retract into one side of the case 10 and a knob 50 installed on the inside of the case 10 to guide movement of the ballpoint pen tip member 30. [ (60).

A large-capacity writing instrument according to an embodiment of the present invention relates to a multicolor ballpoint pen. By forming the pipe 31 of the ballpoint pen core member 30 into an elliptical shape having a large diameter, a large amount of solution can be filled in the pipe 31, .

As shown in FIGS. 1 to 4, the case 10 is formed in a cylindrical shape having a predetermined length, and includes a first case 11 and a second case 15 having a predetermined length.

A plurality of engaging holes 12 are formed in the first case 11 at one side thereof, and a clip 13 is coupled to wear the writing instrument. The engaging holes 12 are formed in the left and right symmetrical directions, and the first fastening portions 14 are formed on the other side of the first case 11.

A second fastening portion 16 corresponding to the first fastening portion 14 is formed on one side of the second case 15 and a second fastening portion 16 corresponding to the second fastening portion 16 is formed on the other side of the second case 15, A hole 17 is formed.

A plurality of fixing grooves 18 are formed on the outer surface of the second case 15. A rubber ring 19 is coupled to the fixing grooves 18 so as to prevent slippage and smooth grip.

FIG. 5 is a cross-sectional view illustrating a ballpoint pen core member of a large-capacity writing implement according to a preferred embodiment of the present invention, and FIG. 6 is a cross-sectional view illustrating an adapter of a ballpoint pen core member according to a preferred embodiment of the present invention.

As shown in FIGS. 5 and 6, a ballpoint pen core member 30 is movably installed inside the case 10. The ballpoint pen tip member 30 is filled with a solution so that handwriting is performed, and the solution is discharged to the outside of the ballpoint pen tip member 30 during writing.

The ballpoint pen core member 30 includes a pipe 31 having an elliptical shape having a predetermined length so as to be filled with a large amount of solution, an adapter 31 connected to one end of the pipe 31 to discharge the solution contained in the pipe 31 32 and a tip 33 coupled to one end of the adapter 32 to discharge the solution contained in the pipe 31.

The pipe 31 has a predetermined length, and is formed in an elliptical shape so that a large amount of solution is filled therein. That is, the pipe 31 is formed in an elliptical shape rather than a circular shape, so that a large amount of solution is filled in the pipe 31.

That is, the pipe 31 is formed in an elliptical shape, so that the inner space of the pipe 31 is approximately three times larger than the circular pipe. As a result, the solution filled in the pipe 31 is filled in a larger amount than the pipe made of the conventional circular pipe.

The pipe 31 has both ends open, and an adapter 32 is coupled to the one end of the pipe 31 to supply the solution.

The adapter 32 includes a first coupling portion 33 formed in an elliptical shape to be coupled to the pipe 31 and a second coupling portion 34 formed in a circular shape to be coupled to the tip 35.

The adapter 32 is hollow to supply the solution filled in the pipe 31 and the first coupling part 33 is formed at one side of the adapter 32 so as to be coupled to the pipe 31.

A second coupling portion 34 is formed on the other side of the adapter 32 and a tip 35 for uniformly discharging the solution of the pipe 31 is coupled to the second coupling portion 34.

The ball 35 is rotatably coupled to one end of the tip 35, and the solution filled in the pipe 31 is uniformly discharged by the rotation of the ball, so that writing is performed.

Since the tip 35 uses a conventional one, a detailed description thereof will be omitted.

FIG. 7 is a perspective view showing a knob of a large-capacity writing instrument according to a preferred embodiment of the present invention, and FIG. 8 is a front view showing a knob of a large-capacity writing instrument according to a preferred embodiment of the present invention.

In addition, a knob 50 for protruding and retracting the ballpoint pen core member 30 is installed at one end of the ballpoint pen core member 30.

4, 7 and 8, the knob 50 is movably coupled to the engaging hole 12 of the case 10, and the ball-point pen core member 30 is moved toward and away from the through hole 17 .

The knob 50 includes a button portion 51 protruding from one side of the case 10 and an elliptical shape extending from the button portion 51 by a predetermined length so as to be fitted into the ball- As shown in Fig.

The knob 50 is provided with a button portion 51 exposed to the outside of the coupling hole 12 so as to be manually pressed at one end and a fitting portion 52 coupled to the ballpoint pen core member 30 at the other end .

Since the fitting portion 52 is fitted to the pipe 31 and is engaged with the pipe 31, the fitting portion 52 is formed in the same elliptical shape as the pipe 31.

The engaging portion 53 is formed at one side of the fitting portion 52 so that the knob 50 is not separated from the engaging hole 12 of the case 10. The engaging portion 53 is formed to be thicker than the knob 50 so as not to be detached from the engaging hole 12.

FIG. 9 is a perspective view of a divided portion of a large-capacity writing instrument according to a preferred embodiment of the present invention, FIG. 10 is a sectional view of FIG. 9, and FIG. 11 is a side view of FIG.

The partition 60 has a main body 61 having a cylindrical shape with a predetermined length, a partition wall 62 formed in the center of the main body 61 in the longitudinal direction, 62 formed on both sides thereof.

2 through 4, the divider 60 maintains a state where the ballpoint pen core member 30 is stably moved. The main body 61 is formed in a cylindrical shape having a predetermined length, The barrier ribs 62 having a predetermined thickness are formed on the barrier ribs 61.

The coupling hole 63 is formed in the partition wall 62 so that the pipe 31 of the ballpoint pen core member 30 is engaged. The coupling hole 63 is formed in an elliptical shape like the pipe 31.

12 is a sectional view showing a spring of a large-capacity writing instrument according to a preferred embodiment of the present invention.

12, since the spring 55 is provided outside the pipe 31, the spring 55 is formed in the same elliptical shape as the pipe 31, and the spring 55 is formed so as to have an elastic force to return the knob 50 to its original position And is provided between the knob 50 and the divider 60.

The following is a description of the connection relationship of a large-capacity writing instrument according to a preferred embodiment of the present invention.

1 to 4, a large-capacity writing implement according to an embodiment of the present invention includes a case 10 in which a ballpoint pen core member 30 is reciprocally movable, And the divider 60 is installed inside the case 10 so that the ballpoint pen core member 30 reciprocates stably.

The case 10 comprises a first case 11 and a second case 15 and a ballpoint pen core member 30 provided inside the case 10 is provided in the fitting hole 12 of the first case 11 A knob 50 for reciprocating is provided.

As shown in FIGS. 2 to 8, the ballpoint pen core member 30 has an adapter 32 attached to one side of an elliptic pipe 31 having a predetermined length. The adapter 32 is formed in a hollow shape so as to allow the solution filled in the pipe 31 to flow. The adapter 32 is formed at one side of the adapter 32 with the same elliptical shape as the pipe 31, And a second engaging portion 34 having a circular shape is formed on the other side of the adapter 32 so that the tip 35 is engaged.

That is, one end of the pipe 31 is coupled to the first coupling portion 33, and the tip 35 is coupled to the second coupling portion 34. The ballpoint pen core member 30 is connected to the pipe 31, the adapter 32, and the tip 35 in a straight line.

The knob 50 is coupled to the other side of the pipe 31 of the ballpoint pen core member 30. The button portion 51 of the knob 50 is coupled to the engaging hole 12 of the case 10 so as to be exposed. The fitting portion 52 of the pipe 50 is fitted to the pipe 31 to be engaged.

As shown in FIGS. 2 to 4 and 9 to 12, a divider 60 for guiding the reciprocating motion of the ballpoint pen core member 30 is installed in the case 10.

The partition 60 forms a coupling hole 63 in the cylindrical body 61 and movably couples the pipe 31 to the coupling hole 63. [

A spring 55 is provided between the knob 50 and the divider 60 so that the spring 55 has an elastic force such that the knob 50 returns to the original position.

A method of operating a large-capacity writing instrument according to a preferred embodiment of the present invention will now be described with reference to FIGS. 1 to 12. FIG.

A user using a large-capacity writing instrument according to an embodiment of the present invention operates the knob 50 exposed to the outside of the case 10 for writing and the tip 35 of the ballpoint pen tip member 30 is rotated by a knob 50 are exposed to the outside of the through hole 17 of the case 10.

As the tip 35 of the ballpoint pen core member 30 is written while being exposed to the outside of the case 10, the solution filled in the pipe 31 is discharged.

That is, the ball coupled to the tip 35 is freely rotated in accordance with the writing operation, and the solution filled in the pipe 31 is supplied to the tip 35 through the adapter 32.

In accordance with such a writing operation, the solution filled in the pipe 31 is continuously discharged and handwritten.

As shown in FIG. 5, since the pipe 31 is formed in an elliptical shape instead of a circular shape, the pipe 31 has a volume ratio of about three times that of the circular shape.

Since the pipe 31 is formed in an elliptical shape, the pipe 31 has a volume that is about two to three times larger than the circular shape formed on the short axis of the ellipse. Accordingly, Three times the amount of the solution is filled.

As described above, the pipe 31 of the ballpoint pen core member 30 is filled with a large amount of the solution, and the solution can be used for a long period of time even if the solution is consumed according to the handwriting.

Thus, the writing tool is used for a longer period of time, and the user can use the solution for a long time by using a large amount of the solution.

Although the embodiments of the present invention have been described in detail with reference to the above embodiments, it is to be understood that the present invention is not limited to the above embodiments and that various changes and modifications may be made without departing from the spirit and scope of the invention.

10: Case 11: First case
12: engaging hole 13: clip
14: first fastening part 15: second case
16: second fastening part 17: through hole
18: Fixing groove 19: Rubber ring
30: ballpoint pen core member 31: pipe
32: adapter 33: first coupling part
34: second coupling portion 35: tip
50: knob 51: button portion
52: fitting portion 53:
55: spring
60: Split hole 61:
62: partition wall 63: engaging hole

Claims (6)

A first case 11 in which a coupling hole 12 is formed in the rear left and right symmetrical directions, a first fastening part 14 is formed in front, and a clip 13 is coupled to the upper part so as to wear the writing instrument A second fastening portion 16 is formed on the rear side so as to be fastened to the first fastening portion 14 and a through hole 17 is formed on the front side thereof and a plurality of fixing groove portions 18 are formed on the outer surface thereof , A case (10) detachably coupled to the fixed groove part (18) with a second case (15) having a rubber ring (19) engaged to prevent slipping and gentle gripping when gripped;
A pipe 31 having a predetermined length so as to fill a large amount of solution therein and having an elliptical cross section and an elliptical shape having a rear end connected to the tip of the pipe 31 for discharging the solution contained in the pipe 31, A first coupling part 33 is formed at the front end of the adapter 32 and an adapter 32 having a second coupling part 34 formed at the front end thereof. A pair of ballpoint pen body members 30 provided with a tip 35 coupled to the tip of the first and second engaging portions 34 and movably installed in the first and second cases 11 and 15 of the case 10;
A button 30 protruding outside the engaging hole 12 of the first case 11 of the case 10 so that the ballpoint pen core member 30 can be manually pressed at one end so as to protrude and retract into the through hole 17 of the case 10 And is formed in the same elliptical shape as the pipe 31 so as to be inserted into the rear end of the pipe 31 of the ballpoint pen core member 30 and to be engaged with the rear end of the pipe 31 A knob 50 having a latching part 53 provided at one side of the fitting part 52 so as not to be separated from the coupling hole 12 of the case 10;
A cylindrical body 61 having a predetermined length is provided inside the first case 11 of the case 10 so as to guide the movement of the ballpoint pen core member 30, A coupling hole 63 formed in the same elliptical shape as the pipe 31 on both sides of the partition wall 62 so that the pipe 31 of the ballpoint pen core member 30 is inserted, The partitioning tool 60,
Is formed in the same elliptical shape as the pipe 31 of the ballpoint pen core member 30 and is provided outside the pipe 31 between the knob 50 and the divider 60 so that the knob 50 is returned And a spring (55). delete delete delete delete delete
KR2020160005777U 2016-10-06 2016-10-06 Large Capacity Ball Pen KR200485605Y1 (en)

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KR200485605Y1 true KR200485605Y1 (en) 2018-01-30

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102148104B1 (en) 2019-11-11 2020-08-25 어명혁 Multicolor writing instruments with extended nib length and capacity

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0735081U (en) * 1993-11-30 1995-06-27 三菱鉛筆株式会社 Ink holding device for writing instruments
JPH10264588A (en) * 1997-03-25 1998-10-06 Mitsubishi Pencil Co Ltd Dual type writing implement
KR20020046252A (en) 2002-04-27 2002-06-20 김명원 a multi-tank style of a ball pen core
KR20110007725U (en) * 2010-01-28 2011-08-03 동아교재 주식회사 Withdraw Type Solid Maker
KR20130006363U (en) 2012-04-25 2013-11-04 (주)길잡이교육 Multi core writing tool

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0735081U (en) * 1993-11-30 1995-06-27 三菱鉛筆株式会社 Ink holding device for writing instruments
JPH10264588A (en) * 1997-03-25 1998-10-06 Mitsubishi Pencil Co Ltd Dual type writing implement
KR20020046252A (en) 2002-04-27 2002-06-20 김명원 a multi-tank style of a ball pen core
KR20110007725U (en) * 2010-01-28 2011-08-03 동아교재 주식회사 Withdraw Type Solid Maker
KR20130006363U (en) 2012-04-25 2013-11-04 (주)길잡이교육 Multi core writing tool

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102148104B1 (en) 2019-11-11 2020-08-25 어명혁 Multicolor writing instruments with extended nib length and capacity

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