KR101985135B1 - Line marking set of golf ball - Google Patents

Abstract

The present invention relates to a line marking set of a golf ball. More particularly, the present invention relates to the line marking set for the golf ball comprising: a marking cover for fixing the golf ball; and a marking pen connected to the marking cover, thereby preventing inconvenience of losing or leaving the marking pen and being optimized for using the marking cover at the same time. In addition, the line marking set for the golf ball is composed to replace a pen tip of the marking pen, thereby providing a permanent usable effect.

Description

{LINE MARKING SET OF GOLF BALL}

The present invention relates to a line marking set of golf balls.

Specifically, a marking cover capable of fixing a golf ball and a marking pen connected to the marking cover can prevent the inconvenience of losing or dropping the marking pen, and at the same time, And a marking pen optimized for use.

Further, the marking pen of the line marking set of the golf ball according to the present invention is configured to be able to replace the pen shim of the marking pen, thereby providing a permanent usable effect.

Generally, before putting a golf ball into a hole in a putting green, the direction of the ball is determined considering the inclination of the green, the state of the grass and the influence of the wind, and then the hole is stroked with a force suitable for the putting distance, The method of attack was universal.

The putting preparatory process is merely a matter that most golfers basically know, but since the decision on the direction of the ball is made in the imaginary space of the head, There have been frequent cases of putting, and uncertainty about the direction of the ball has become one of the factors that deteriorate the performance.

In order to substantially observe the progress direction of the golf ball while eliminating the uncertainty with respect to the traveling direction of the golf ball, a straight line is marked along the center line of the outer circumference of the golf ball, And putting the golf ball into the golf course has been popular. Various line marking tools have been introduced to guide the marking position and straight line when marking a line on a golf ball.

Regarding such a tool, a center line marking apparatus for a golf ball of Patent Publication No. 10-1092045 is described.

In order to visually confirm the traveling direction of a golf ball, the above-described technique uses a material for selecting a marking position when marking a straight line along a center line of a golf ball surface with a bending force and a resilient restoring force And more particularly, to a center mark marking apparatus for a golf ball capable of improving the portability and ease of use of the marking apparatus by using the marking pen in a state of being integrally joined,

A holder member having a " U " shape that is provided with a bending force and a stretching restoring force to be deformed when the golf ball is inserted and released, and guiding a central portion of the inserted golf ball to be wrapped in a band shape; A pair of slots formed to be in contact with the center line of the ball when the golf ball is received and guided to a straight line when the marking pen is marked, The holder member being slidably coupled to the body portion so that the holder member can be freely detached from the body member, Wherein when the engaging recess is detached from the engaging groove and slides upward together with the holder member, And an inclined jaw formed in the inside of the guide rail to closely accommodate the golf ball.

Also, in the patent publication No. 10-2012-0003412, a line marking apparatus for a golf ball is described.

The above-described technique is applied to a device for aligning a golf ball in a marking position when marking a straight line by using a pen in the circumference of a golf ball, a holder made of a flat plate of a credit card type, And the marking pen is accommodated in one side of the holder, so that the marking device is made slimmer to improve the portability of the pen together with the holder, and to improve the portability of the pen on the other side of the holder The present invention relates to a line marking device for a golf ball, which can easily identify an article of a golf club by directly describing matters or attaching a sticker to a belonging,

That is, a through-hole in which a golf ball is seated is formed in a holder of a credit card type flat plate, and a band-like holding band having a bending force and a restoring force is provided on one side of the holder so as to pass through a diameter portion of the through- A free end extending to the other side is detachable from a hinge fixed to one end of the golf ball and is capable of wrapping around a golf ball seated in the through hole in a detached state, A slot for indicating the marking portion along the center line is formed, and a blank portion for attaching a sticker or personal information on the other side of the holder opposite to the holding band is formed, At one side of the adjacent holder is formed a receptacle with at least one support ring for receiving the pen.

However, the above-described techniques have a problem in that it is difficult to mark accurate lines because of the prior arts proposed to improve the portability and the like of the first model, or the actual golf balls.

In addition, the above-described techniques have the disadvantages of loss or lack of preparation due to the necessity of carrying the marking pen separately from the above-mentioned tools, and there is also an object to overcome this.

As a prior art which becomes a basic model of the line marking tool, a golf ball guide line display tool of Registration Practical Utility Model No. 20-0253983 is described.

The above-described technique is a golf ball guide line marking tool for guiding the marking of a line on the surface of the golf ball by being inserted into the golf ball, comprising a semi-circle along a curved surface of the golf ball so as to surround the golf ball, The end of the spherical surface is planarized in front of and behind the semicircular sphere. A through groove is formed at the center of the semicircular spherical surface up to the end of the curved surface. The front and rear ends of the semicircular sphere end are circular And a guide line is displayed along a groove passing through the center of the semi-circular spherical surface by using a writing tool.

As another technique, Registered Utility Model No. 20-0363277 discloses a golf ball liner for drawing an alignment line on a golf ball.

The above technique sets the progress direction of the ball so that the golfer can send the golf ball in a desired direction during the putting and tee shots and makes the putter or the driver's ball surface perpendicular to the advancing direction of the ball, The golf ball liner is a tool for displaying an alignment line on the ball so as to be able to take a posture in a direction parallel to the traveling direction of the golf ball. The golf ball liner has a semi-spherical shape along the curved surface of the golf ball so as to cover the golf ball. And a '+' shape through groove is formed from exactly the center of the semi-circular spherical surface to the end of the curved surface portion. In order to facilitate the seating and detachment of the golf ball in the golf ball liner, And both side surfaces of the through grooves form a curved portion in the direction of the through grooves along the through grooves of the golf ball. In order to support the ball when the golf ball is seated, And a center line center of the rib is located 2 to 4 mm higher than the center line center of the outer half circle, And an alignment line is displayed along the through-hole in the center of the semi-circular spherical surface.

However, the above-described techniques require a separate pen for marking, which causes troubles such as loss and release.

Registered Patent Publication No. 10-1092045 (Dec. 12, 2011) Open Patent Publication No. 10-2012-0003412 (Jan. 10, 2012) Registration Utility Model Bulletin No. 20-0253983 (published on Dec. 1, 2001) Registration Utility Model Bulletin No. 20-0363277 (issued October 1, 2004)

It is an object of the present invention to provide a marking cover capable of fixing a golf ball and a marking pen integrally formed with the marking cover to prevent the marking pen from being lost or released, And a marking pen optimized for use of the marking cover.

Another object of the present invention is to provide a line marking set of a golf ball which can provide a permanent usable effect by configuring the marking pen to be replaceable.

In order to achieve the above object, a line marking set of a golf ball according to the present invention includes a marking cover (10) including a marking hole (11) and capable of fixing a golf ball, and a marking cover (10) having a marking pen (20) connected through a cover and comprising a body inserted and connected to a cover,

The marking pen (20)

According to the application of the external force, the pen core 23 is exposed to perform the marking, and when the external force is removed, the pen core 23 is accommodated in the inside of the body to prevent the ink from drying.

At this time, the marking pen 20 has a first body 21 having one end closed and the other end opened, and a second body 21 having one end opened and the other end inclined in the center direction to be opened to have a smaller diameter than one end A second body 22 having one end having a wide diameter inserted into the first body 21 and a pen body 23 included in the first body 21 and the second body 22, .

In addition, the first body 21 has a plate portion protruding from the inner periphery of the first body 21, and the auxiliary body 21a is connected to the other end of the plate portion, And the auxiliary body 21a,

And one end of the second body 22 having a large diameter is inserted between the first body 21 and the auxiliary body 21a.

A protrusion protruding toward the first body 21 is formed at the other end of the end portion connected to the plate portion of the auxiliary body 21a and a protrusion protruding toward the first body 21 is formed on the inner surface of the second body 22, And an intermittent groove (22a) is formed at a position corresponding to the position of the projection formed at the end portion.

In addition, the intermittent groove 22a is formed,

When the second body 22 is not raised, the upper step has a height at which the protrusion of the auxiliary body 21a is caught,

By having the length that the second body 22 can be raised,

The first body 21 can be lowered toward the second body 22. When the first body 21 is lowered, the pen body 23 is exposed to the outside of the second body 22,

The second body 22 is interlocked with the first body 21 so that the second body 22 does not come off from the first body 21 even if a pulling force acts in the direction of the first body 21 or the second body 22. [

A spring S is formed in the space between the auxiliary body 21a and the first body 21. The spring S has one end contacting one side of the space and the other end being connected to the second body 21. [ (22).

The slope of the second body 22 is formed with a support protrusion 22b extending in an inclined direction in a linear direction of the second body 22 in a sloping region.

Further, at an inclined end of the second body 22,

The end cover 22c is connected to the inner periphery and formed so as to be divided into a plurality of portions with respect to the center,

The end cover (22c)

Is bent into the outside of the second body 22 along with the exposure of the pen core 23 so that it is inserted into the marking hole 11 together with the pen core 23 so that the ink of the pen core 23 surrounds the marking hole 11 Thereby preventing it from being buried.

Further, a guide protrusion 24 of a 'convex' shape is formed on one side of the second body 22.

(A) The marking cover 10 is configured such that one end of the marking hole 10 is open at one end thereof,

(b) The marking hole (11)

- a guide groove (11a) formed in the inner side wall thereof and extending from the inner side wall to the groove and having a shape of 'convex' extending from one point to a larger size,

The guide groove 11a is closed in the open area of the marking hole 11 in the one end direction in which the marking hole 11 of the marking cover 10 is opened,

(c) The guide protrusion 24 is inserted into the guide groove 11a,

When the golf ball B is inserted into the marking cover 10, the marking hole 11 prevents one end of the opened marking cover 10 from being opened,

The marking pen 20 is moved along the marking hole 11 and the marking pen 20 is attached to one end of the marking cover 10 with the marking hole 11 opened by the guide projection 24 And is coupled through a fixing protrusion formed on the bottom surface of the marking cover 20.

According to the line marking set of the golf ball according to the present invention,

A marking cover capable of fixing a golf ball and a marking pen integrally formed with the marking cover are provided to prevent the marking pen from being lost or released.

Further, there is an advantage that a marking pen optimized for use of the marking cover can be provided.

In addition, since the pen-shim of the marking pen can be replaced, there is an advantage that it can be used permanently.

1 schematically shows a line marking set of golf balls according to the present invention.
BRIEF DESCRIPTION OF THE DRAWINGS Fig. 1A shows a side view (a) and a bottom surface (b) of a marking cover in a line marking set of a golf ball according to the present invention.
FIG. 1B shows an example in which in a line marking set of a golf ball according to the present invention, the marking pen performs line marking on the marking cover and is coupled to the bottom side.
Fig. 1C is a bottom view of the marking pen in the line marking set of the golf ball according to the present invention, which is coupled to the bottom surface side of the marking cover.
2 shows a cross-sectional configuration of a marking pen in a line marking set of a golf ball according to the present invention.
3 is an enlarged view for explaining a main configuration of a marking pen in a line marking set of a golf ball according to the present invention.
Figure 4 shows an example of the operation of a marking pen in a line marking set of golf balls according to the present invention.
Fig. 5 is an enlarged view of the regions a 'and b' in Fig. 4.

The terms and words used in the present specification and claims should not be construed as limited to ordinary or dictionary meanings and the inventor can properly define the concept of the term to describe its invention in the best possible way And should be construed in accordance with the principles and meanings and concepts consistent with the technical idea of the present invention.

Therefore, the embodiments described in the present specification and drawings are only the most preferred embodiments of the present invention and are not intended to represent all of the technical ideas of the present invention. Therefore, various equivalents And variations are possible.

Before describing the present invention with reference to the accompanying drawings, it should be noted that the present invention is not described or specifically described with respect to a known configuration that can be easily added by a person skilled in the art, Let the sound be revealed.

The present invention relates to a line marking set of golf balls.

Specifically, a marking cover capable of fixing a golf ball and a marking pen connected to the marking cover can prevent the inconvenience of losing or dropping the marking pen, and at the same time, And a marking pen optimized for use.

Further, the marking pen of the line marking set of the golf ball according to the present invention is configured to be able to replace the pen shim of the marking pen, thereby providing a permanent usable effect.

A line marking set of a golf ball according to the present invention will be described with reference to the accompanying drawings.

1 schematically shows a line marking set of golf balls according to the present invention.

The present invention according to the attached drawings mainly comprises a marking cover 10 and a marking pen 20. [

The marking cover 10 has a hemispherical shape similar to the outer shape of the golf ball B as shown in the accompanying drawings, and a marking hole 11 formed in a line direction for line marking is formed on one side of the marking cover 10.

At this time, although the marking hole 11 is shown as a line in the accompanying drawings, the marking hole 11 may be formed in various shapes such as a plus (+) shape or a division (÷) shape depending on design conditions.

At this time, the guide holes 11a formed on the two inner side walls of the marking hole 11 may be formed with respect to the marking holes 11 having long lines with respect to the marking holes 11 having various shapes.

The guide groove 11a extends inward from the inner wall of the marking hole 11 as shown in FIG. 1 of the accompanying drawings, and has a shape extending from one point to a larger size.

A groove (not shown) may be formed at one side of the marking cover 10 in the same direction as the marking hole 11. The groove may be formed with a connecting means such as a ring formed in the marking pen 20 Can be combined.

The marking pen 20 is guided along the marking hole 11 formed in the marking cover 10 and is formed integrally with the marking cover 10.

Hereinafter, the configuration of the marking pen 20 will be described with reference to the accompanying drawings.

FIG. 2 is a sectional view of a marking pen in a line marking set of a golf ball according to the present invention, and FIG. 3 is an enlarged view for explaining a main configuration of a marking pen in a line marking set of a golf ball according to the present invention will be.

According to Figure 2 of the accompanying drawings,

The marking pen 20 includes a first body 21, a second body 22 connected to the first body 21 and a second body 22 connected to the first body 21 and the second body 22 And a guide protrusion 24 formed on one side of the second body 22. The first and second bodies 22,

The first body 21 has one end closed and the other end open, and the second body 22 is opened in such a manner that one end is opened and the other end is inclined toward the center.

At this time, one end of the second body 22, which is not inclined and has a large diameter and is opened, can be inserted into the opened one end of the first body 21 and coupled.

The pen body 23 is inserted into the first body 21 and the second body 22 and has a small diameter in a form of inclining of the second body 22 and is exposed to the outside of the body through an open end Or inserted.

The exposure and insertion of the pen core 23 may be possible by the second body 22 rising in the direction of the first body 21 or returning to the original position and returning.

Specifically, reference is made to Fig. 3 of the accompanying drawings.

Referring to FIG. 3 of the accompanying drawings, an auxiliary body 21a in the form of a double wall may be formed at the inner periphery of the first body 21.

That is, the auxiliary body 21a is formed so as to have a predetermined spacing space inward of the first body 21, so that the plate portion in the direction of '-' is protruded from the inner peripheral surface of the first body 21, The auxiliary body 21a is connected to the other end of the plate portion extending to a length exceeding the open area or the open area of the first body 21. [

The other end of the one end connected to the plate portion of the auxiliary body 21a may be a protrusion protruding in the direction of the first body 21a.

One end of the second body 22 having a large diameter may be inserted into the space between the auxiliary body 21a and the first body 21 and the second body 22 inserted into the space A spring S may be connected to the end portion.

One end of the spring S is connected to the end of the second body 22 and the other end of the spring S is fixed to one side of the space inside the space between the auxiliary body 21a and the first body 21. [

An intermittent groove 22a may be formed in the inner surface of the second body 22 at a position corresponding to the position of the projection formed at one end of the auxiliary body 21a.

That is, the projection formed at one end of the auxiliary body 21a can be inserted into the intermittent groove 22a and fixed.

2 of the accompanying drawings, a slope of the second body 22 is formed at one end thereof with a support protrusion 22b extending in a slanting direction in a linear direction of the second body 22 in an inclined region .

The support protrusions 22b may extend in a circular shape along the shape of the second body 22 and may extend from the second body 22 symmetrically in accordance with another embodiment.

The support protrusions 22b are supported on the upper surface of the marking cover 10 to support the marking pen 20 when the marking line is drawn through the marking groove 11 of the marking cover 10 using the marking pen 20. [ Thereby improving the stability. To this end, the support protrusions 22b may be shorter than one end of the second body 22 having a narrow diameter.

When the user pushes the first body 21 by the human force by raising the support protrusion 22b of the marking pen 20 on the marking cover 10 by the above-described structure, 2, one end of the second body 22 is further inserted into the spacing space between the first body 21 and the auxiliary body 21a (see FIGS. 4 and 5).

Accordingly, the pen cage 23 housed therein can be pushed by the first body 21 and exposed from one end having the narrow diameter of the second body 22.

Of course, when the human force is removed, the second body 22 can be lowered due to the elasticity of the spring S.

At this time, the intermittent groove 22a of the second body 22 is configured such that the upper step has a height enough to receive the projection of the auxiliary body 21a when the second body 22 does not rise,

The intermittent groove 22a is formed to have such a length that the second body 22 can rise.

As described above, the intermittent groove 22a of the second body 22 should be configured such that when the second body 22 is not lifted, the upper step has a height enough to engage with the projection of the auxiliary body 21a The reason is,

The second body 22 is not separated from the spacing space between the first body 21 and the auxiliary body 21a when a predetermined external force is applied to the first body 21.

According to the above-described structure, when the second body 22 is lifted up, the diameter of the pen body 23 is exposed at a narrow end according to the inclination of the second body 22. At this time, the second body 22 Is opened as described above, and a plurality of end covers 22c at the inner periphery may be formed to close the open end.

The end cover 22c is made of a flexible material so that the pen core 23 is folded to expose the pen core 23 when the pen core 23 is pushed. When the pushing force of the pen core 23 is removed, Lt; / RTI >

The end cover 22c covers the periphery of the pen core 23 with the vicinity of the center curved as the pen core 23 is exposed and inserted into the marking holes 11 of the marking cover 10 in this state, It is possible to prevent ink from the pen core 23 of the pen 20 from being buried in the periphery of the marking hole 11 of the marking cover 10. [

In addition, depending on the design conditions, the inner side and the outer side of the first body 21 to which the plate portion of the auxiliary body 21a is connected are configured to pass through the 'A' region shown in FIG. 3 of the accompanying drawings, Although not shown in the drawing, a plate of the auxiliary body 21a may be connected to the inner end of the first body 21 of the flat plate by inserting a separate flat plate.

At this time, the auxiliary body 21a may be formed in a symmetrical wall shape instead of a circular shape along the inner periphery of the first body 21.

Preferably, the flat sound plate is symmetrically formed in the first body 21 so as to correspond to the positions of the two auxiliary bodies 21a, and the sound plate is formed in a T shape, So that the region protrudes outside the first body (21).

At this time, a separate spring is inserted into a column having a small diameter.

Therefore, the flat plate has a predetermined elastic force and is pressed when an external force is generated, thereby widening the spacing space between the auxiliary body 21a and the first body 21. When the external force is removed, To have the original width.

As the spacing between the auxiliary body 21a and the first body 21 is widened, the protrusion formed on the end of the auxiliary body 21a can be separated from the interrupted groove of the second body 22 So that the second body 22 can be separated from the first body 21 so that the first body 21 can be lifted and separated.

Thereby, it is possible to replace the pen core 23 and clean the inside of the body.

A guide protrusion 24 is formed on one side of the second body 22 so as to be symmetrically formed by a pair of the guide protrusions 24. The guide protrusion 24 is engaged with the guide hole 22 of the marking hole 11 of the marking cover 10 And can be inserted and fixed in the groove 11a.

For this purpose, the guide protrusion 24 also protrudes from one surface of the second body 22 as shown in the figure, and is extended from one point to a larger diameter to have a shape of 'convex'.

1, the guide groove 11a may be configured such that the marking hole 11 is closed at both ends of the marking cover 10 in the open end direction.

As a result, the guide protrusion 24 can be prevented from separating through the opened end of the marking hole 11.

The end of the marking cover 10 with the marking hole 11 opened by the guide protrusion 24 and the guide groove 11a having the shape of ' And has a function of catching what is going to happen when the ball (B) is inserted, thereby improving the durability and the fixability of the golf ball (B).

Referring to FIGS. 1A to 1C of the accompanying drawings, an example in which the magpin 20 constructed as described above moves along the marking cover 10 can be seen.

Figure 1a shows a side view (a) and a bottom view (b) of a marking cover in a line marking set of a golf ball according to the invention, Figure 1b shows that in the line marking set of a golf ball according to the invention, FIG. 1C is a bottom view of a marking pen in a line marking set of a golf ball according to the present invention, which is coupled to the bottom surface side of the marking cover. FIG.

As shown in the accompanying drawings, the marking pen 20 is guided along the marking hole 11 of the marking cover 10, and the marking hole 11 is opened at the end of the marking cover 10 The guide protrusion 24 is rotated from the upper side to the lower side along the guide groove 11a,

As a result, the marking pen 20 is moved to the bottom surface of the marking cover 20 and is coupled to the bottom surface of the marking cover 10 as shown in FIGS. 1B and 1C.

When the golf ball B is inserted into the marking cover 10, the fixing protrusions are formed on the bottom surface of the marking cover 10, When the marking pen 20 is moved to the bottom surface of the marking cover 10, the marking pen 20 is inserted and fixed.

1C, an interval (width, W ') of the two fixing protrusions facing each other corresponding to the position of the marking hole 11 is set to be equal to the width W of the marking pen 20, It is preferable to have a similar size, such as a little smaller, a little larger, or the like.

It is apparent that the present invention is not limited to the configuration of the drawings, as described above with reference to the drawings, only the main points of the present invention are described, and various designs can be made within the technical scope thereof.

B: Golf ball
S: Spring
10: Marking cover
11: Marking hole
11a: guide groove
20: Marking pen
21: First body
21a: auxiliary body
22: Second body
22a: Enforcement home
22b: support projection
22c: End cover
23:
24: Guide protrusion

Claims (10)

A marking cover 10 including a marking hole 11 and capable of fixing a golf ball,
And a marking pen (20) connected to the marking cover (10) through a cover, the marking pen comprising a body inserted and connected to the cover,
The marking pen (20)
A first body 21 having one end closed and the other end open,
A second body (22) having one end open and a second end open to be inclined toward the center and having a smaller diameter than one end and having a wide diameter end inserted into the first body (21)
And a pen body (23) contained in the first body (21) and the second body (22)
And a guide protrusion (24) of a 'convex' shape is formed on one side of the second body (22).
delete The method according to claim 1,
The first body (21)
And the auxiliary body 21a is connected to the other end of the plate portion,
A space is formed between the first body 21 and the auxiliary body 21a,
A line marking set of golf balls characterized in that one end of the second body (22) having a large diameter is inserted between the first body (21) and the auxiliary body (21a).
The method of claim 3,
A protrusion protruding in the direction of the first body 21 is formed at the other end of the end portion connected to the plate portion of the auxiliary body 21a,
And an intermittent groove (22a) is formed in an inner surface of the second body (22) at a position corresponding to a position of a projection formed at an end of the auxiliary body (21a).
The method of claim 4,
The intermittent groove (22a)
When the second body 22 is not raised, the upper step has a height at which the protrusion of the auxiliary body 21a is caught,
By having the length that the second body 22 can be raised,
The first body 21 can be lowered toward the second body 22. When the first body 21 is lowered, the pen body 23 is exposed to the outside of the second body 22,
Wherein the second body (22) is interlocked so that the second body (22) does not come off from the first body (21) even if a pulling force acts in the direction of the first body (21) or the second body Marking set.
The method of claim 3,
A spring S is formed in the space between the auxiliary body 21a and the first body 21,
Characterized in that the spring (S) has one end contacting one side within the spacing space and the other end touching the end of the second body (22).
The method according to claim 1,
Wherein a slope of the second body (22) is formed with a support projection (22b) extending in an inclined direction in a linear direction of the second body (22) set.
The method according to claim 1,
At an inclined end of the second body 22,
The end cover 22c is connected to the inner periphery and formed so as to be divided into a plurality of portions with respect to the center,
The end cover (22c)
Is bent into the outside of the second body 22 along with the exposure of the pen core 23 so that it is inserted into the marking hole 11 together with the pen core 23 so that the ink of the pen core 23 surrounds the marking hole 11 Of the line marking set of the golf ball.
delete The method according to claim 1,
(a) The marking cover 10 is structured so that one end of the marking hole 11 is open at one end,
(b) The marking hole (11)
- a guide groove (11a) formed in the inner side wall thereof and extending from the inner side wall to the groove and having a shape of 'convex' extending from one point to a larger size,
The guide groove 11a is closed in the open area of the marking hole 11 in the one end direction in which the marking hole 11 of the marking cover 10 is opened,
(c) The guide protrusion 24 is inserted into the guide groove 11a,
When the golf ball B is inserted into the marking cover 10, the marking hole 11 prevents one end of the opened marking cover 10 from being opened,
The marking pen 20 is moved along the marking hole 11 and the marking pen 20 is attached to one end of the marking cover 10 with the marking hole 11 opened by the guide projection 24 Of the marking cover (20), and is coupled through a fixing protrusion formed on the bottom surface of the marking cover (20).

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