KR101797840B1 - Printing device - Google Patents

Printing device Download PDF

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Publication number
KR101797840B1
KR101797840B1 KR1020160003678A KR20160003678A KR101797840B1 KR 101797840 B1 KR101797840 B1 KR 101797840B1 KR 1020160003678 A KR1020160003678 A KR 1020160003678A KR 20160003678 A KR20160003678 A KR 20160003678A KR 101797840 B1 KR101797840 B1 KR 101797840B1
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KR
South Korea
Prior art keywords
cutting
unit
driving
driving force
connection
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KR1020160003678A
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Korean (ko)
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KR20170084540A (en
Inventor
김진태
전기하
Original Assignee
주식회사 빅솔론
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Priority to KR1020160003678A priority Critical patent/KR101797840B1/en
Publication of KR20170084540A publication Critical patent/KR20170084540A/en
Application granted granted Critical
Publication of KR101797840B1 publication Critical patent/KR101797840B1/en

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J11/00—Devices or arrangements  of selective printing mechanisms, e.g. ink-jet printers or thermal printers, for supporting or handling copy material in sheet or web form
    • B41J11/66—Applications of cutting devices
    • B41J11/70—Applications of cutting devices cutting perpendicular to the direction of paper feed
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J11/00—Devices or arrangements  of selective printing mechanisms, e.g. ink-jet printers or thermal printers, for supporting or handling copy material in sheet or web form
    • B41J11/006—Means for preventing paper jams or for facilitating their removal
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
    • B41J2/315—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by selective application of heat to a heat sensitive printing or impression-transfer material
    • B41J2/32—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by selective application of heat to a heat sensitive printing or impression-transfer material using thermal heads
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J3/00—Typewriters or selective printing or marking mechanisms characterised by the purpose for which they are constructed
    • B41J3/407—Typewriters or selective printing or marking mechanisms characterised by the purpose for which they are constructed for marking on special material
    • B41J3/4075—Tape printers; Label printers

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  • Handling Of Sheets (AREA)

Abstract

According to an embodiment of the present invention, there is provided a printing apparatus including: a main body providing a predetermined internal space; A cover part connected to the main body part so as to be movable so as to control whether the internal space is opened or closed; A printing unit that prints predetermined information on a first recording paper wound from a roll paper located in the inner space; The first recording sheet on which the predetermined information is printed is changed in the mutual approach direction or the mutual spacing direction on the downstream side of the printing unit so as to be separated from the second recording sheet positioned on the upstream side with reference to the first recording sheet, A first cutting unit and a second cutting unit for cutting between the first recording sheet and the second recording sheet; A driving unit for providing a driving force for changing a position of at least one of the first cutting unit and the second cutting unit; And a second cutting unit that is positioned at a first position on the main body so that the driving force of the driving unit is transmitted to at least one of the first cutting unit and the second cutting unit, A driving force transmitting part for connecting one of them; And the driving force transmitting portion is disconnected from the driving portion or at least one of the driving force transmitting portion and the first cutting portion and the second cutting portion is disconnected so that the first cutting portion and the second cutting portion The driving force transmitting portion is connected to the driving force transmitting portion so that the driving force transmitting portion is moved from the first position to the second position on the main body portion by the external force so that at least one of the cutting portions is moved independently of the driving portion, And a connection part for allowing the user to make a connection.

Description

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a printing apparatus, and more particularly, to a printing apparatus capable of easily removing a recording sheet caught between the cutting units by a simple method when a recording sheet is caught between cutting units.

A thermal printer is a type of non-impact printer that uses special recording paper that responds to heat and is a printer that displays text or graphics by applying heat to the recording paper with the printer head.

That is, since the thermal printer can print smooth characters and colorful graphics without using toner or ink, it is suitable for printing various labels, receipts and tickets.

A conventional thermal printer has a cutting device for cutting printed recording paper. In general, the cutting device includes a movable cutter and a stationary cutter for cutting the recording paper by an interaction.

In this case, when the recording sheet is cut by the cutting device, the recording sheet frequently jams between the movable cutter and the stationary cutter, which often hinders the movable cutter.

In this case, it is necessary to stop the printing and immediately restore it. In the past, as disclosed in Korean Patent Laid-Open No. 10-2013-0044832, when the cover frame is lifted up by the action of the movable cutter returning to the initial position, Can be removed.

However, according to the conventional method, it is necessary to lift the cover frame to return to the initial position of the movable cutter. Therefore, when the cover frame can not be normally operated by external factors, A problem arises.

An object of the present invention is to restore a cutting portion to an original position without opening the inner space by moving the cover portion when the recording sheet is sandwiched between the cutting portions to cause a recording paper jam, And a printing apparatus.

According to an embodiment of the present invention, there is provided a printing apparatus including: a main body providing a predetermined internal space; A cover part connected to the main body part so as to be movable so as to control whether the internal space is opened or closed; A printing unit that prints predetermined information on a first recording paper wound from a roll paper located in the inner space; The first recording sheet on which the predetermined information is printed is changed in the mutual approach direction or the mutual spacing direction on the downstream side of the printing unit so as to be separated from the second recording sheet positioned on the upstream side with reference to the first recording sheet, A first cutting unit and a second cutting unit for cutting between the first recording sheet and the second recording sheet; A driving unit for providing a driving force for changing a position of at least one of the first cutting unit and the second cutting unit; And a second cutting unit that is positioned at a first position on the main body so that the driving force of the driving unit is transmitted to at least one of the first cutting unit and the second cutting unit, A driving force transmitting part for connecting one of them; And the driving force transmitting portion is disconnected from the driving portion or at least one of the driving force transmitting portion and the first cutting portion and the second cutting portion is disconnected so that the first cutting portion and the second cutting portion The driving force transmitting portion is connected to the driving force transmitting portion so that the driving force transmitting portion is moved from the first position to the second position on the main body portion by the external force so that at least one of the cutting portions is moved independently of the driving portion, And a connection part for allowing the user to make a connection.

The printing apparatus according to an embodiment of the present invention is characterized in that after the first cutting portion and the second cutting portion are moved in mutual approach directions, the driving force transmitting portion is moved from the first position to the second position And a first elastic part for automatically moving the first cutting part and the second cutting part in a mutually spaced direction when the position of the first cutting part is changed.

The first elastic portion of the printing apparatus according to an embodiment of the present invention is elastically deformed when the first cutting portion and the second cutting portion are moved in mutually approach directions, The first cutting portion and the second cutting portion are automatically moved in the mutually spaced directions by the restoring force due to the elastic deformation.

The printing apparatus according to an embodiment of the present invention may further include a drive connection portion connected to the drive portion and interlocked with a drive force provided by the drive portion, So that the driving force is transmitted to at least one of the first cutting portion and the second cutting portion and the driving force is transmitted to the first cutting portion and the second cutting portion by releasing the contact with the driving connection portion at the second position, And to prevent transmission to at least one of the first, second, and third components.

The driving force transmitting portion of the printing apparatus according to an embodiment of the present invention is rotated about the first axis to make contact with the driving connecting portion when the position of the driving force transmitting portion is changed from the first position to the second position by the connection- Is released.

The driving unit of the printing apparatus according to an embodiment of the present invention includes a motor that provides a driving force including a rotational force, and the driving connection unit is connected to a rotation axis of the motor, Wherein the drive force transmitting portion includes a gear assembly including at least one gear engaged with the drive gear at the first position, the gear assembly being rotatably connected to the first position The driving gear is disengaged from the second position by being rotated with respect to the first axis when the position is changed to the second position.

According to an embodiment of the present invention, An external force applying unit mounted on the main body unit so as to be positionally movable so that the external force for moving the disconnection unit is provided to the connection unit; And when the external force application portion is elastically deformed when the external force application portion is moved and the external force applied to the external force application portion is removed, the connection release portion is returned to the original position by the restoring force by the elastic deformation, And a second elastic part connected to the external force applying part to return from the second position to the first position.

The first cutting portion of the printing apparatus according to an embodiment of the present invention is moved toward the direction approaching the second cutting portion so as to cut between the first recording sheet and the second recording sheet, And the second cutting unit is moved in an upward sloping direction toward a direction approaching the second cutting unit.

The printing apparatus according to an embodiment of the present invention is characterized in that a pressing force is applied to the first cutting portion so that the first cutting portion is moved upwardly toward the direction approaching the second cutting portion while being in contact with the second cutting portion, And a pressing force providing unit for providing a pressing force.

The pressing force providing portion of the printing apparatus according to an embodiment of the present invention includes a contact portion that is in contact with the first cutting portion and a third elastic portion that provides a pressing force such that the contact portion is in contact with the first cutting portion, The third elastic part is elastically deformed when the first cutting part is in contact with the second cutting part and the contact between the contact part and the first cutting part is maintained by the restoring force due to the elastic deformation.

The contact portion of the printing apparatus according to an embodiment of the present invention may be configured such that after the first cutting portion and the second cutting portion are moved in mutually approach directions and the driving force transmitting portion is moved to the first position The second cutting portion is interlocked with the movement of the connection portion to be spaced apart from the first cutting portion.

The printing apparatus according to an embodiment of the present invention may further include a connection part for mediating connection between the driving force transmission part and the first cutting part, wherein the connection part includes an eccentric part protruding eccentrically, Wherein the first and second cutting portions are provided with a deflection portion which is formed to be biased from the center and receives the eccentric portion and is moved in a direction approaching and separating from the second cutting portion by rotation of the eccentric portion.

The printing apparatus according to an exemplary embodiment of the present invention may further include a rigid beam guiding portion mounted on the eccentric portion and accommodated in the biasing portion to reinforce the rigidity of the eccentric portion.

The connecting portion of the printing apparatus according to an exemplary embodiment of the present invention includes a first connecting portion and a second connecting portion symmetrically positioned with respect to the first cutting portion and the first connecting portion and the second connecting portion are A first eccentric portion and a second eccentric portion protruding eccentrically, the first cutting portion including a first deflection portion formed to be deflected from a center and to receive the first eccentric portion and the second eccentric portion, respectively, Wherein the first eccentric portion and the second eccentric portion are moved in a direction toward and away from the second cutting portion by rotation of the first eccentric portion and the second eccentric portion.

The positional displacement of the disconnecting unit by the external force of the printing apparatus according to the embodiment of the present invention can be realized when the internal space of the main body unit is closed by the cover unit.

The positional movement of the connection part due to the external force of the printing apparatus according to the embodiment of the present invention can be realized irrespective of the positional shift of the cover part with respect to the main body part.

According to another aspect of the present invention, there is provided a printing apparatus including: a main body for providing a predetermined internal space; A cover part connected to the main body part so as to be movable so as to control whether the internal space is opened or closed; A printing unit that prints predetermined information on a first recording paper wound from a roll paper located in the inner space; The first recording sheet on which the predetermined information is printed is changed in the mutual approach direction or the mutual spacing direction on the downstream side of the printing unit so as to be separated from the second recording sheet positioned on the upstream side with reference to the first recording sheet, A first cutting unit and a second cutting unit for cutting between the first recording sheet and the second recording sheet; A driving unit for providing a driving force for changing a position of at least one of the first cutting unit and the second cutting unit; And a second cutting unit that is positioned at a first position on the main body so that the driving force of the driving unit is transmitted to at least one of the first cutting unit and the second cutting unit, A driving force transmitting part for connecting one of them; And a connection unit for mediating connection between the driving force transmission unit and the first cutting unit, wherein the connection unit includes a first connection unit and a second connection unit symmetrically positioned with respect to the first cutting unit, The first connecting portion and the second connecting portion are provided with a first eccentric portion and a second eccentric portion protruding eccentrically, respectively, and the first cutting portion is formed to be deviated from the center so that the first eccentric portion and the second eccentric portion The first eccentric portion and the second eccentric portion are provided with a first biasing portion and a second biasing portion which are accommodated in the first and second eccentric portions so that the first and second eccentric portions are moved toward and away from the second cutting portion .

The printing apparatus according to another embodiment of the present invention includes a first eccentric portion and a second eccentric portion which are respectively received in the first deflection portion and the second deflection portion while being mounted on the first eccentric portion and the second eccentric portion, And a first stiffening steel section and a second stiffening steel section that reinforce the stiffness of the first eccentric section and the second eccentric section.

According to the printing apparatus of the present invention, when the recording sheet is sandwiched between the cutting portions and the recording sheet is jammed, the recording sheet jam can be solved by a simple method.

In addition, when a recording paper jam occurs, this can be solved regardless of the positional shift of the cover portion.

In addition, when returning the cutting portion to its original position, the load applied to the cutting portion can be minimized.

1 is a schematic perspective view showing a printing apparatus according to the present invention.
2 to 5 are views for explaining a first cutting portion and a second cutting portion provided in the printing apparatus according to the present invention.
6 to 9 are views for explaining a process of cutting a recording sheet by a first cutting unit and a second cutting unit provided in a printing apparatus according to the present invention.
FIG. 10 and FIG. 11 are views for explaining a disconnecting part and a driving force transmitting part provided in the printing apparatus according to the present invention. FIG.
12 is a view showing a case where the driving force transmitting portion provided in the printing apparatus according to the present invention is located at the first position.
13 is a view showing a case where the driving force transmitting portion provided in the printing apparatus according to the present invention is located at the second position.
14 is a view showing a state in which a recording sheet is stuck between a first cutting unit and a second cutting unit provided in the printing apparatus according to the present invention.
Figs. 15 and 16 are diagrams showing a state in which the recording paper jam is eliminated. Fig.
FIGS. 17 to 19 are views for explaining the principle of positional movement of the disconnecting part provided in the printing apparatus according to the present invention. FIG.

Hereinafter, specific embodiments of the present invention will be described in detail with reference to the drawings. It will be apparent to those skilled in the art that various modifications and variations can be made in the present invention without departing from the spirit or scope of the inventive concept. Other embodiments falling within the scope of the inventive concept may readily be suggested, but are also considered to be within the scope of the present invention.

The same reference numerals are used to designate the same components in the same reference numerals in the drawings of the embodiments.

1 is a schematic perspective view showing a printing apparatus according to the present invention.

Referring to FIG. 1, the printing apparatus 1 according to the present invention is an apparatus that can be suitably used for printing various labels, receipts or tickets, and may be, for example, a thermal printer.

The thermal printer can use a special recording paper that reacts with heat, and can be a printer that can display characters or pictures by applying heat to the recording paper with a thermal head to develop color.

The printing apparatus 1 includes a main body 10 for providing a predetermined internal space S1 and a cover 10 connected to the main body 10 so as to be adjustable whether the internal space S1 is opened or closed, And a printing unit 20 (see FIGS. 6 to 9) for printing predetermined information on a recording sheet R0 wound from a roll paper R positioned in the internal space S1.

Hereinafter, the constituent elements will be described in detail.

The main body 10 can provide the appearance of the printing apparatus 1 according to the present invention, and the shape is not limited.

In other words, the shape of the main body 10 can be variously changed according to the use environment of the printing apparatus 1 according to the present invention, and various components for driving the printing apparatus 1 can be arranged And a predetermined internal space S1 for carrying out the present invention.

The cover part 20 can be mounted to the main body part 10 so that the cover part 20 can be moved or rotated around the main body part 10. In the case of using the printing device 1 according to the present invention, S1 can be closed and when the roll paper R needs to be replaced due to exhaustion of the recording paper R0, the internal space S1 can be opened by being rotated from the main body 10.

The printing unit 20 is a component that can print predetermined information on the recording sheet R0 that has been unwound from the roll paper R located in the inner space S1 and that the printing apparatus 1 according to the present invention is a thermal printer , It may be a thermal head.

Since the thermal head is a well-known technique, a detailed description thereof will be omitted.

The printing apparatus 1 according to the present invention may include a conveying unit 40 (see Figs. 2 to 5) for conveying the recording sheet R0 wound from the roll paper R, And can be moved in conjunction with the rotation of the cover portion 20 with respect to the main body portion 10.

When the printing apparatus 1 according to the present invention is a thermal printer, it may be a kind of rotatable roller.

When the inner space S1 is closed by the cover part 20, the conveying part 40 is positioned adjacent to the printing part 30 so that the predetermined information printing by the printing part 30 is performed .

On the other hand, in the printing apparatus 1 according to the present invention, when predetermined information is printed on the first recording sheet R1 (refer to FIG. 6) wound from the roll paper R by the printing unit 60, (See FIG. 3) and the second cutting unit 200, which are separated from the second recording sheet R2 (see FIG. 6) positioned on the upstream side with respect to the first recording sheet R1.

The printing apparatus 1 may include a driving unit 300 for providing a driving force for changing the position of at least one of the first cutting unit 100 and the second cutting unit 200.

A detailed description thereof will be given below.

2 to 5 are views for explaining a first cutting unit and a second cutting unit provided in the printing apparatus according to the present invention.

First, before describing that the recording sheet is cut by the interaction of the first cutting unit 100 and the second cutting unit 200, the cutting type used in the printing apparatus will be described first. There are two main types of cutting.

The first is a guillotine type of guillotine type, and the second is a scissors type of scissor type.

Hereinafter, the guillotine type guillotine type will be described as an example of the cutting portion 30 according to the present invention. However, when applied to the categorical type, the cutting portion 30 can be applied to any type of cassette as long as it is within the range of incongruent math. .

2 to 5, a printing apparatus 1 according to the present invention includes a first cutting unit 100 and a second cutting unit 200 for cutting a part of a recording sheet R0 on which predetermined information is printed, And may further include a driving unit 300 for providing a driving force for changing the position of at least one of the first cutting unit 100 and the second cutting unit 200.

More specifically, the first cutting unit 100 and the second cutting unit 200 are configured such that the first cutting unit R0 of the recording sheet R0 unwound from the roll paper R is fed with predetermined information So that the first recording sheet R1 on which the predetermined information is printed is separated from the second recording sheet R2 positioned on the upstream side with respect to the first recording sheet R1, 1 may be a component capable of cutting between the recording sheet R1 and the second recording sheet R2.

Here, if the terms for the upstream side and the downstream side are defined, the position where the recording sheet R0 fed out of the roll paper R and fed first is the upstream side, and the recording sheet R0 passing the upstream side passes later The downstream side.

When the terms for the first recording sheet R1 and the second recording sheet R2 are defined, the first recording sheet R1 and the second recording sheet R2 are both recorded on the recording sheet R0, The first recording sheet R1 is one area of the recording sheet R0 that is printed first by the printing unit 20 than the second recording sheet R2 and the second recording sheet R2 is a region of the first recording sheet R2 Lt; RTI ID = 0.0 > R1. ≪ / RTI >

The first cutting unit 100 and the second cutting unit 200 are positioned between the first recording sheet R1 and the second recording sheet R2, For example, the first cutting unit 100 may be a movable cutter movable toward the second cutting unit 200, and the second cutting unit 200 may be a movable cutter, Lt; RTI ID = 0.0 > 100 < / RTI >

However, it is noted that the second cutting unit 200 may be implemented as a movable cutter, and the first cutting unit 100 may be implemented as a fixed cutter, both of which may be implemented as a movable cutter.

Hereinafter, the first cutting unit 100 is a movable cutter, and the second cutting unit 200 is a fixed cutter.

The first cutting unit 100 may be disposed to be movable in a case 400 mounted in an internal space S1 provided by the main body 100 and the case 400 may be disposed in the first The second case 420, and the third case 430 to provide a space for installing the cutting portion 100. The first case 410, the second case 420,

The second case 420 may be a kind of cover member for the first case 410 and the third case 430 may be a kind of supporting member for supporting the driving unit 300.

The first case 410, the second case 420, and the third case 430 may be connected to each other, and the connecting method may be a known method such as a screw method.

At least one or more other components may be disposed on the first case 410 together with the first cutting unit 100. Specifically, the first cutting unit 100 and the second cutting unit 200, The driving force transmitting portion 500 rotated by the driving portion 300 that provides the driving force for moving at least one of the driving force transmitting portion 500 and the driving force transmitting portion 500 may be disposed.

The driving force transmitting portion 500 may be connected to a connecting portion 600 for directly moving the first cutting portion 100. The connecting portion 600 may be connected to the driving force transmitting portion 500, And may be any of gears that mediate the connection of the part 100.

The driving unit 300 may provide a driving force for changing the position of the first cutting unit 100, for example, a stepping motor, which is a kind of motor that provides a driving force including a rotational force.

A driving connection part 310 connected to the driving part 300 and interlocked with the driving force provided by the driving part 300 may be mounted on the rotary shaft of the driving part 300, 300 may be a driving gear interlocked with the rotational force.

The driving connection portion 310 may be connected to a driving force transmitting portion 500 which is a kind of a gear assembly including at least one driven gear. The first cutting unit 100 and the second cutting unit 200 are positioned at a first position on the main body 10 to be transmitted to at least one of the first cutting unit 100 and the second cutting unit 200, And at least one of the second cutting units 200 may be connected.

2 to 5, the first position is a position where the driving force of the driving unit 300 is transmitted to at least one of the first cutting unit 100 and the second cutting unit 200 .

The driving force transmitting portion 500, which is a gear assembly including at least one driven gear, can be engaged with the driving gear at the first position, for example, a first driven gear A second driven gear 520 engaged with the first driven gear 510, a third driven gear 530 engaged with the second driven gear 520, and a third driven gear 530 And a fourth driven gear 540 engaged with the fourth driven gear 540.

The fourth driven gear 540 may be connected to a connection portion 600 for directly moving the first cutting portion 100.

Here, the first driven gear 510, the second driven gear 520, the third driven gear 530, and the fourth driven gear 540 may include different gears having different diameters, The difference in diameter may be appropriately changed in consideration of the reduction ratio related to the degree of the movement of the first cutting portion 310.

The degree of the movement of the first cutting part 100 by the driving force of the driving part 300 may be related to the rotation angle of the connection part 600 and the position of the first cutting part 100 may be shifted The connection portion 600 may have an eccentric portion 610 that projects eccentrically on the upper surface.

The first cutting part 100 has a deflection part 110 formed to be biased from the center and to receive the eccentric part 610 so that the rotation of the eccentric part 610 causes the second cutting part 610 to rotate, And may be moved in a direction to approach and separate from the main body 200.

Specifically, the connection unit 600 may include a first connection unit 602 and a second connection unit 604 symmetrically positioned with respect to the first cutting unit 100, and the first connection unit 602 And the second connection portion 604 may include a first eccentric portion 612 and a second eccentric portion 614 which are eccentrically projected.

The first cutting unit 100 includes a first deflection unit 112 and a second deflection unit 114 which are formed to be deviated from the center and respectively receive the first eccentric part 612 and the second eccentric part 614, The first eccentric part 612 and the second eccentric part 614 can be moved in a direction approaching and separating from the second cutting part 200 by the rotation of the first eccentric part 612 and the second eccentric part 614.

The first eccentric part 612 and the second eccentric part 614 which are eccentrically projected also rotate when the first connection part 602 and the second connection part 604 are rotated by the driving force of the driving part 300. [ The first eccentric portion 612 and the second eccentric portion 614 are received by the first and second biasing portions 112 and 114, respectively, (100) performs a rectilinear motion.

A first stiffening steel portion 702 and a second stiffening steel portion 704 for reinforcing the stiffness may be mounted on the first eccentric portion 612 and the second eccentric portion 614, The first stiffening steel portion 702 and the second stiffening steel portion 704 mounted on the first eccentric portion 612 and the second eccentric portion 614 respectively have the first deflection portion 112 and the second deflection portion 614, (114).

Therefore, when the first eccentric portion 612 and the second eccentric portion 614 are rotated by the rotation of the first connection portion 602 and the second connection portion 604, the first stiffener steel portion 702, And the second stiffening steel portion 704 directly contact the first deflection portion 112 and the second deflection portion 114 so that the first eccentric portion 612 and the second eccentric portion 614 ) Can be increased.

6 to 9 are views for explaining a process of cutting a recording sheet by the first cutting unit and the second cutting unit provided in the printing apparatus according to the present invention.

The first cutting portion 100 is moved in a direction approaching the second cutting portion 200 in the installation space of the first case 410 by the rotation of the connection portion 600 by the driving force transmission portion 500, The first recording sheet R1 and the second recording sheet R2 can be cut as shown in FIG. 8. However, as shown in FIG. 8, the first recording sheet R1 and the second recording sheet R2 To form a perforated line.

Whether or not the perforated line is formed or cut between the first recording sheet R1 and the second recording sheet R2 depends on the degree to which the first cutting unit 100 is moved toward the second cutting unit 200 And will be described in detail below.

6, when the first cutting unit 100 approaches the second cutting unit 200, the first cutting unit 100 and the first cutting unit 100 may be substantially V- And cut between the second recording sheets R2 toward the center from both ends in the width direction.

The cutting guide part 120 may be formed at both ends of the first cutting part 100 so as to be upwardly inclined along a direction approaching the second cutting part 200, May be a component that first contacts the second cutting unit 200 when the first cutting unit 100 approaches the second cutting unit 200.

7, when the first cutting unit 100 approaches the second cutting unit 200 to cut between the first recording sheet R1 and the second recording sheet R2, The bottom of the first cutting part 100 can be moved upwardly toward the direction approaching the second cutting part 200 by the contact with the second cutting part 200, And is located below the upper surface of the portion 200.

In other words, when the first cutting portion 100 approaches the second cutting portion 200, the cutting guide portion 120 first comes into contact with the second cutting portion 200, 1 cutting unit 100 is naturally moved up and down along the upper surface of the second cutting unit 200.

In the printing apparatus 1 according to the present invention, the first cutting portion 310 is inclined upward toward a direction approaching the second cutting portion 320 in a state where the first cutting portion 310 is in contact with the second cutting portion 320 And a pressing force providing unit 800 (see FIG. 3) for applying a pressing force to the first cutting unit 310 to be moved.

The pressing force providing unit 800 includes a contact portion 810 for contacting the first cutting portion 100 and a third elastic portion for applying a pressing force to the contact portion 810 to contact the first cutting portion 100 820).

The third elastic part 820 may be in contact with the first cutting part 100 and the third elastic part 820 may be in contact with the first cutting part 100, The contact portion 810 and the first cutting portion 100 can be maintained in contact with each other due to the elastic force of the elastic deformation.

The contact portion 810 may include a plate-shaped body portion 812 and a fixing portion 814 inserted and fixed so as to protrude from a groove formed in the bottom of the body portion 812, The fixing portion 814 may be a portion contacting the first cutting portion 100.

The contact area between the contact part 810 and the first cutting part 100 can be minimized by the fixing part 814 so that the first cutting part 100 is pressed by the contact part 810, And the friction is minimized so that the cutting performance due to the movement of the first cutting unit 100 is not affected.

As described above, when the first cutting unit 100 is moved toward the second cutting unit 200 to cut between the first recording sheet R1 and the second recording sheet R2, The first cutting unit 100 and the second cutting unit 200 can be moved up and down in a state of being in contact with the second cutting unit 200 by the feeder 800. As a result, The contact pressure is applied and the accuracy of cutting can be assured.

In the present invention, the printing apparatus 1 senses whether or not the first cutting unit 100 is moved, and detects the movement of the first cutting unit 100 by the interaction of the first cutting unit 100 and the second cutting unit 200, (See Figs. 2 to 5) for acquiring information about whether or not the recording sheet R1 is cut between the recording sheet R1 and the second recording sheet R2.

The position movement sensing unit 50 is a kind of sensor mounted on the upper surface of the first case 302. For example, the position movement sensing unit 50 can detect whether the first cutting unit 100 is moved to a substantially central position.

In the above description, when the connection portion 600 is rotated by the driving force of the driving portion 300 so that the first cutting portion 100 performs a rectilinear motion toward the second cutting portion 200, the first recording sheet R1 ) And the second recording sheet R2 are cut.

This is the case where the first cutting portion 100 is moved to a position exceeding the perforated line forming space S2 toward the second cutting portion 200 as shown in FIG. 9, When the first cutting unit 100 is moved toward the second cutting unit 200 only before the perforated line forming space S2 or is moved without completely exceeding the perforated line forming space S2, A perforated line may be formed between the first recording sheet R1 and the second recording sheet R2.

The perforated line forming space S2 may be formed in the center of the first cutting unit 100 as a kind of space provided in the first cutting unit 100. [

Whether the first recording sheet R1 and the second recording sheet R2 are cut or whether a perforated line is formed between the first recording sheet R1 and the second recording sheet R2 is determined by the rotation angle And can be appropriately controlled by a control unit (not shown).

Meanwhile, the second connection portion 604 is engaged with a manual operation portion 620, which is a type of gear, and the manual operation portion 620 is configured to manually rotate the second connection portion 604 when an unexpected power supply interruption occurs Lt; / RTI >

The first connection portion 602 and the second connection portion 604 are also rotated during manual rotation of the manual operation portion 620 so that abnormal union of the first cutting portion 100 and the recording sheet R0 can be released, Since this is a known technique, a detailed description thereof will be omitted.

FIGS. 10 and 11 are views for explaining a disconnecting unit and a driving force transmitting unit provided in the printing apparatus according to the present invention. FIG. 12 is a view illustrating a case where the driving force transmitting unit provided in the printing apparatus according to the present invention is located at the first position And FIG. 13 is a view showing a case where the driving force transmitting portion provided in the printing apparatus according to the present invention is located at the second position.

FIG. 14 is a view illustrating a state in which a recording sheet is sandwiched between a first cutting unit and a second cutting unit provided in the printing apparatus according to the present invention. FIG. 15 and FIG. Fig.

FIGS. 17 to 19 are views for explaining the principle of positional movement of the disconnecting part provided in the printing apparatus according to the present invention.

Referring to FIGS. 10 to 13, the printing apparatus 1 according to the present invention includes a simple method of catching a recording sheet occurring when recording paper is passed between a first cutting unit 100 and a second cutting unit 200 And a connection unit 900 that can solve the problem.

It is necessary to stop the printing and return the first cutting portion 100 and the second cutting portion 200 to the initial position when the recording paper jamming occurs, It can be solved by moving the position.

Specifically, the connection preventing unit 900 disconnects the driving force transmitting unit 500 from the driving unit 300, or disconnects the driving force transmitting unit 500 from the first cutting unit 100, The first cutting unit 100 and the second cutting unit 200 can be moved independently of each other so that the movement of at least one of the first cutting unit 100 and the second cutting unit 200 is realized independently of the driving unit 300. [ And may be a component that is connected to the driving force transmitting portion 500 and changes the position of the driving force transmitting portion 500 from the first position to the second position on the main body portion 10 by an external force .

Here, the second position is a position at which the driving force transmitting portion 500 is disengaged from the driving coupling portion 310, which will be described in detail below.

The driving force transmitting portion 500 may be positioned at a predetermined position by the plate-like position shifting portion 550 as will be described in the arrangement of the driving force transmitting portion 500 on the first case 410.

Specifically, at least one driven gear that constitutes the driving force transmitting portion 500, that is, the first driven gear 510, the second driven gear 520, the third driven gear 530, and the fourth driven gear 540 The second driven gear 520, the third driven gear 520, and the third driven gear 520 may be inserted into holes formed in the position shifting portion 550 to be positioned at predetermined positions, The fifth driven gear 530 and the fourth driven gear 540 may be dependent on the position shifting portion 550.

The shaft of the first driven gear 510, the shaft of the second driven gear 520 and the shaft of the third driven gear 530 may not be fixed to the first case 410, The axis of the first case 540 may be fixed to the first case 410.

Accordingly, the first driven gear 510, the second driven gear 520, and the third driven gear 530 are moved in the axial direction of the fourth driven gear 540, And can be rotated about the first axis 542.

Here, the position shifting of the position shifting portion 550 can be realized by the positional displacement of the coupling portion 900, and when the connection failure portion 900 is moved, the gear assembly including at least one driven gear, The first driving gear 542 may be rotated about the first axis 542 to be disengaged from the driving gear that is the driving coupling portion 310. [

The connection failure portion 900 may be a component rotatable with respect to the second axis 412 on the first case 410 by an external force and the connection failure portion 900 may be a component rotatable about the second axis 412 by the external force, 412, the position shifting unit 550 may be rotated with respect to the first axis 412 as well.

Here, the connection part 900 may have a substantially cylindrical shape, and may include a first step 910 having a relatively high height and a second step 920 having a relatively low height.

The first guide shaft 930 and the second guide shaft 940 fixed to the position shifting unit 900 may be formed in a substantially fan shape and the first step unit 910 And may be disposed adjacent to one side surface and the other side surface.

The first guide shaft 930 and the second guide shaft 940 may be fixed to the position shifter 900 and extend from the position shifter 900 to one surface of the first case 410 in a non- And may be a component that rotates the position moving part 900 by contacting the connection part 900 substantially by rotation of the connection part 900.

When one side of the first stepped portion 910 of the connection member 900 is in contact with the first guide shaft 930 as the connection member 900 rotates about the second axis 412 by an external force, So that the first guide shaft 930 is pressed.

When the first guide shaft 930 is pressed by one surface of the first stepped portion 910, the first guide shaft 930 is pushed clockwise, and the position of the first guide shaft 930 By the movement, the position shifting portion 550 is rotated in the clockwise direction with respect to the first axis 542.

In this case, the second guide shaft 930 is moved along the upper surface of the second stepped portion 920 by the clockwise rotation of the first guide shaft 930, The gear 510 is separated from the driving connection part 310 so that the driving force of the driving part 300 is not transmitted to the first cutting part 100.

When the driving force of the driving unit 300 is blocked from being transmitted to the first cutting unit 100, the first cutting unit 100 and the second cutting unit 200 are automatically moved in the mutually spaced directions So that the recording paper jamming occurring between the first cutting unit 100 and the second cutting unit 200 can be eliminated.

Hereinafter, the process of eliminating the recording jam phenomenon will be described in detail with reference to the drawings.

14 shows a state in which the first cutting portion 100 and the second cutting portion 200 are moved in mutual approach directions for cutting the recording paper in a state where the driving force transmitting portion 500 is located at the first position, 15 and 16 show a state in which the driving force transmitting portion 500 is positioned at the second position and the first cutting portion 200 is in a state in which the first cutting portion 200 The first cutting unit 200 and the second cutting unit 200 are returned to their initial positions.

The first position shown in FIG. 14 is a state in which the driving force transmitting portion 500 is in contact with the driving connection portion 310 so that the driving force is transmitted to at least one of the first cutting portion 100 and the second cutting portion 200 And the second position shown in FIGS. 15 and 16 is a state in which the driving force transmission portion 500 is released from contact with the driving connection portion 310 so that the driving force is transmitted to the first cutting portion 100 and the second cutting portion 100, The second cutting unit 200 may be positioned at a position where it is blocked from being transmitted to at least one of the second cutting units 200.

15 and 16, when the recording paper jam occurs after the first cutting unit 100 and the second cutting unit 200 are moved in mutual approach directions for cutting the recording paper, The position shifting unit 900 is rotated to rotate the position shifting unit 550 with respect to the first shaft 542 so that the driving force transmitting unit 500 is moved from the first position to the second position on the main body 10 The position can be changed.

At this time, when the driving force transmitting portion 500 is changed from the first position to the second position by the coupling portion 900, the contact with the driving coupling portion 310 can be released, The cutting portion 100 and the second cutting portion 200 can be automatically moved in a direction away from each other by the first elastic portion E1 (see FIG. 11).

Here, the first elastic part E1 is elastically deformed when the first cutting part 100 and the second cutting part 200 are moved in mutually approach directions, and the driving force transmission The first cutting portion 100 and the second cutting portion 200 are automatically moved in mutually spaced directions by the restoring force due to elastic deformation when the portion 500 is changed from the first position to the second position The coil spring is a kind of component which is moved.

The first elastic portion E1 may be mounted on at least one of the shaft of the first connection portion 602 and the shaft of the second connection portion 604. [

When the driving force transmitting portion 500 is located at the first position, the first elastic portion E1 is moved in the mutually approaching direction so that the first cutting portion 100 and the second cutting portion 200 are elastically deformed It can not be restored by the driving connection part 310 connected to the driving part 300 itself.

However, when the driving force transmitting portion 500 is located at the second position, the first elastic portion E1 is restored by itself because the connection with the driving portion 300 is cut off, 2 cutting portion can be automatically moved in the mutual spacing direction.

As a result, the recording paper jam phenomenon is solved.

Hereinafter, the principle of the position-shifting, i.e., rotation, of the coupling part 900 by an external force will be described.

17 to 19, the printing apparatus 1 according to the present invention includes a main body part (not shown) so as to be positionally movable so that the external force for moving the connection part 900 is provided to the connection part 900 The external force application unit 950 mounted on the connection member 900 and the component for causing the external force to be transmitted to the connection member 900 by the movement of the external force application unit 950.

The external force applying unit 950 may be a locking releasing means for releasing the locking of the cover unit 20 of the printing apparatus 1 according to the present invention. The locking of the cover portion 20 is released.

Locking of the cover portion 20 can be realized by a locking portion 970 that is positionally movably disposed on the main body portion 10 so that the shaft 42 of the transfer portion 40 can be locked The hooking portion 972 defining the groove formed in the portion 970 is caught.

When the external force application unit 950 is rotated by the external force application unit 950, the locking unit 970 is also coupled to the external force application unit 950 by the interlocking unit 960 So that the shaft 42 of the transfer unit 40 can be separated from the hooking unit 972. [

When the shaft 42 of the transferring part 40 is separated from the hooking part 972, the cover part 20 is automatically moved from the main body part 10 by an unillustrated elastic member So that the inner space S1 in the main body 10 is opened.

When the locking portion 970 is rotated by the rotation of the external force applying portion 950, the intermediate portion 980 mounted to the first case 410 is also moved to the locking portion 970 As shown in FIG.

The mediating part 980 is a medium for connecting the connection part 900 and the locking part 970 to each other. When the locking part 970 is rotated, the mediating part 980 contacts the locking part 970, 970 in the opposite direction.

When the intermediate portion 980 is rotated, the connecting portion 900 is also moved to the intermediate portion 980 by the contact with the intermediate portion 980, so that the driving force transmitting portion 500 is moved from the first position to the second position As shown in FIG.

In order to cut the recording sheet R0, the first cutting unit 100 is moved toward the second cutting unit 200 while the first cutting unit 100 and the second cutting unit 200 are moved When the user applies the external force to the external force application unit 950 and rotates the external force application unit 950 in conjunction with the rotation of the external force application unit 950, The driving force transmitting portion 500 is moved from the first position to the second position and the connection with the driving coupling portion 310 is released .

In this case, the first cutting portion 100 can be returned to the initial position by the restoring force of the first elastic portion E1, so that the recording paper jamming is solved.

When an external force is applied to move the external force applying unit 950 and the external force is removed after the recording jam is eliminated, the driving force transmitting unit 500 is automatically moved from the second position to the first position And this can be realized by the second elastic portion E2 and the third elastic portion E3 (see Fig. 5).

The second elastic portion E2 may be connected to the external force applying portion 960 and may be connected to the interlocking portion 960. [

The second elastic portion E2 is elastically deformed when the linking portion 960 is rotated by the rotation of the external force applying portion 950. When the external force applied to the external force applying portion 950 is removed, The external force applying unit 950, the interlocking unit 960, and the locking unit 970 can be restored to their original positions by the restoring force of the elastic member 960. [

The third elastic part E3 is installed on the second shaft 412 which is the rotation axis of the coupling part 900 and the intermediate part 980 is rotated by the rotation of the external force applying part 950, When the external force applied to the external force application part 950 is removed, the connection part 900 and the intermediate part 980 are returned to their original positions by the restoring force due to the elastic deformation, So that the driving force transmitting portion 500 can be returned from the second position to the first position.

When an external force is applied to the external force applying unit 950 in order to solve the recording jam phenomenon, the locking force exerted by the locking unit 970 causes the pressing force providing unit 800 to rotate the first cutting unit 100 As shown in Fig.

In other words, one end of the contact portion 810 of the pressing force providing unit 800 may be positioned above the locking portion 970, and the contact portion 810 may be locked by the locking portion 970, And moves in the upward direction.

In this case, the contact portion 810 may be spaced apart from the first cutting portion 100, so that when the first cutting portion 100 returns to the initial position, Interference can be prevented, and the load upon return can be minimized.

In other words, the contact portion 810 is moved in the direction of approaching the first cutting portion 100 and the second cutting portion 200 for cutting the recording paper, When the driving force transmitting portion 500 is moved from the first position to the second position by the first cutting portion 100, the first cutting portion 100 is interlocked with the movement of the connection portion 900, The load at the time of returning the unit 100 can be minimized.

In the above description, when the recording sheet is caught between the first cutting unit 100 and the second cutting unit 200, the recording sheet is caught only by applying an external force to the external force applying unit 950 Respectively.

Here, when an external force is applied to the external force application unit 950, the locking of the cover unit 20 is released by the rotation of the locking unit 970. However, regardless of the positional shift of the cover unit 20, Even if the internal space S1 of the main body portion 10 is closed by the main body portion 20, the movement of the connecting portion 900 can be realized. In other words, 10 of the present invention.

The same applies to the case where the means for displacing the connector 900 is designed to be independent of the locking of the cover 20.

While the present invention has been described with reference to exemplary embodiments, it is to be understood that the invention is not limited to the disclosed exemplary embodiments, but, on the contrary, It will be apparent to those skilled in the art that changes or modifications may fall within the scope of the appended claims.

1: Printing device
10:
20:
30: Printing section
40:
100: a first cutting part
200: second cutting portion

Claims (18)

A main body portion providing a predetermined internal space;
A cover part connected to the main body part so as to be movable so as to control whether the internal space is opened or closed;
A printing unit that prints predetermined information on a first recording paper wound from a roll paper located in the inner space;
The first recording sheet on which the predetermined information is printed is changed in the mutual approach direction or the mutual spacing direction on the downstream side of the printing unit so as to be separated from the second recording sheet positioned on the upstream side with reference to the first recording sheet, A first cutting unit and a second cutting unit for cutting between the first recording sheet and the second recording sheet;
A driving unit for providing a driving force for changing a position of at least one of the first cutting unit and the second cutting unit;
And a second cutting unit that is positioned at a first position on the main body so that the driving force of the driving unit is transmitted to at least one of the first cutting unit and the second cutting unit, A driving force transmitting part for connecting one of them; And
The connection between the driving force transmitting portion and the driving portion is released or the connection between at least one of the driving force transmitting portion and the first cutting portion and the second cutting portion is released, The driving force transmitting portion is moved from the first position to the second position on the main body portion by being moved by an external force in connection with the driving force transmitting portion so that at least one positional movement of the driving force transmitting portion is independent from the driving portion The printing apparatus comprising:
The method according to claim 1,
When the driving force transmission portion is changed from the first position to the second position by the coupling portion after the first cutting portion and the second cutting portion are moved in mutually approach directions, And a first elastic part for allowing the cutting part to be automatically moved in mutual spacing directions.
3. The method of claim 2,
The first elastic portion
Wherein when the first cutting portion and the second cutting portion are moved in mutually approach directions and elastically deformed and the driving force transmitting portion is changed from the first position to the second position by the connection preventing portion, So that the first cutting portion and the second cutting portion are automatically moved in the mutually spaced directions.
The method according to claim 1,
And a driving connection portion connected to the driving portion and interlocked with the driving force provided by the driving portion,
The driving force transmitting portion
The driving force is transmitted to at least one of the first cutting portion and the second cutting portion in a contact with the driving connection portion at the first position and the contact with the driving connection portion at the second position is released, Wherein the first cutting portion and the second cutting portion are cut off from being transmitted to at least one of the first cutting portion and the second cutting portion.
5. The method of claim 4,
The driving force transmitting portion
Wherein when the position changing mechanism changes the position from the first position to the second position by the connection failure portion, the contact with the driving connection portion is released by being rotated about the first axis.
6. The method of claim 5,
The driving unit includes:
And a motor for providing a driving force including a rotational force,
Wherein the drive connection portion includes:
And a driving gear connected to a rotating shaft of the motor and interlocked with rotation of the rotating shaft by the rotating force,
The driving force transmitting portion
And at least one driven gear engaged with the drive gear in the first position,
The gear assembly includes:
And wherein when the connection member is moved from the first position to the second position by rotation of the connection member, the driving member is disengaged from the driving gear at the second position by being rotated about the first axis.
The method according to claim 1,
An external force applying unit mounted on the main body unit so as to be positionally movable so that the external force for moving the disconnection unit is provided to the connection unit; And
When the external force application portion is elastically deformed when the external force application portion is moved and the external force applied to the external force application portion is removed, the connection release portion is returned to the home position by the restoring force by the elastic deformation, And a second elastic part connected to the external force applying part so as to be returned to the first position.
The method according to claim 1,
Wherein the first cutting portion comprises:
The second cutting portion is moved in a direction toward the second cutting portion so as to cut between the first recording sheet and the second recording sheet and the second cutting portion is inclined upward toward the direction approaching the second cutting portion And the printing medium is moved in position.
9. The method of claim 8,
And a pressing force supply unit for applying a pressing force to the first cutting unit such that the first cutting unit is moved upward in an inclined direction toward a direction approaching the second cutting unit while being in contact with the second cutting unit Characterized in that
10. The method of claim 9,
The pressure-
And a third elastic portion for providing a pressing force to bring the contact portion into contact with the first cutting portion,
The third elastic portion
Wherein when the first cutting portion is in contact with the second cutting portion, the first cutting portion is elastically deformed so that contact between the contact portion and the first cutting portion is maintained by the restoring force due to the elastic deformation.
11. The method of claim 10,
The contact portion
When the driving force transmission portion is changed from the first position to the second position by the movement of the connection member after the first cutting portion and the second cutting portion are moved in mutually approach directions, And is spaced apart from the first cutting portion in association with the movement.
The method according to claim 1,
And a connection part for mediating connection between the driving force transmitting part and the first cutting part,
The connecting portion
And an eccentric portion projecting eccentrically,
Wherein the first cutting portion comprises:
And a biasing portion formed to be biased from the center to receive the eccentric portion and is moved in a direction toward and away from the second cutting portion by rotation of the eccentric portion.
13. The method of claim 12,
And a rigid beam guiding portion that is mounted on the eccentric portion and accommodated in the biasing portion to reinforce the rigidity of the eccentric portion.
13. The method of claim 12,
The connecting portion
And a first connecting portion and a second connecting portion symmetrically positioned with respect to the first cutting portion,
Wherein the first connection portion and the second connection portion are formed in a substantially rectangular shape,
And a first eccentric portion and a second eccentric portion protruding eccentrically from each other,
Wherein the first cutting portion comprises:
Wherein the first eccentric portion and the second eccentric portion are formed with a first deflection portion and a second deflection portion that are formed to be biased from the center and respectively receive the first eccentric portion and the second eccentric portion, Is moved in a direction to approach and away from the printing apparatus.
The method according to claim 1,
Wherein the position displacement of the disconnecting unit by the external force is performed by:
And when the inner space of the main body portion is closed by the cover portion.
The method according to claim 1,
Wherein the position displacement of the disconnecting unit by the external force is performed by:
Wherein the cover unit is movable relative to the main body.
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KR1020160003678A 2016-01-12 2016-01-12 Printing device KR101797840B1 (en)

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KR102585600B1 (en) * 2017-07-31 2023-10-06 세이코 인스트루 가부시키가이샤 Printing unit and thermal printer
KR20190013350A (en) 2017-08-01 2019-02-11 에이치피프린팅코리아 유한회사 Image forming apparatus
KR102037941B1 (en) * 2018-07-24 2019-10-29 주식회사 빅솔론 Printing device

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011140199A (en) * 2010-01-08 2011-07-21 Seiko Instruments Inc Printer with cutter
KR101282299B1 (en) * 2012-12-21 2013-07-10 이일복 Cutter of printer

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011140199A (en) * 2010-01-08 2011-07-21 Seiko Instruments Inc Printer with cutter
KR101282299B1 (en) * 2012-12-21 2013-07-10 이일복 Cutter of printer

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