JP2002067408A - Portable printer - Google Patents

Portable printer

Info

Publication number
JP2002067408A
JP2002067408A JP2000262685A JP2000262685A JP2002067408A JP 2002067408 A JP2002067408 A JP 2002067408A JP 2000262685 A JP2000262685 A JP 2000262685A JP 2000262685 A JP2000262685 A JP 2000262685A JP 2002067408 A JP2002067408 A JP 2002067408A
Authority
JP
Japan
Prior art keywords
sensor
paper
pair
moving
portable printer
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP2000262685A
Other languages
Japanese (ja)
Inventor
Katsumi Saito
克実 斎藤
Original Assignee
Sato Corp
株式会社サトー
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Sato Corp, 株式会社サトー filed Critical Sato Corp
Priority to JP2000262685A priority Critical patent/JP2002067408A/en
Publication of JP2002067408A publication Critical patent/JP2002067408A/en
Pending legal-status Critical Current

Links

Abstract

PROBLEM TO BE SOLVED: To provide a portable printer in which print sheets of various widths can be dealt with. SOLUTION: A sensor for detecting an eyemark printed on a print sheet is fixed to a slide block 74 provided slidably along a guide groove 72. The slide block 74 is moved by turning a shaft 76 and the installing position of the eyemark sensor can be shifted depending on the position of the eyemark put on the print sheet.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a portable printer, and more particularly, to a portable printer capable of changing a sheet width to be used.

[0002]

2. Description of the Related Art In general, a portable printer sets printing paper wound in a roll on a paper holder, and feeds the printing paper from the paper holder to a printing section at a constant pitch to print desired information. I have. In order to feed the printing paper out of the paper holder at a constant pitch, a pitch detection mark is printed at a constant pitch on the back surface of the printing paper. By detecting this pitch detection mark with a sensor, the printing paper is printed. At a constant pitch from the paper holder.

[0003] By the way, portable printers include those in which the paper width used is fixed and those in which it is variable. In a portable printer having a fixed paper width, the pitch detection mark is printed on the end of the printing paper, and the sensor is installed at the end of the paper holder to detect the pitch detection mark. . On the other hand, in a portable printer with a variable paper width, the paper width varies depending on the printing paper used, so the pitch detection mark is printed in the center of the printing paper, and the sensor is installed in the center of the paper holder to detect the pitch. The mark for use is detected.

[0004]

However, depending on the printing paper, as shown in FIG. 5, a company name, an advertisement or the like may be printed on the back surface. In this case, the pitch detection mark is placed at an arbitrary position. In particular, there is a problem that printing cannot be performed at the center of the sheet. For this reason, in a printing paper having such a company name or the like printed on the back surface, as shown in FIG. 5, a pitch detection mark 2 is formed at an end of the printing paper 1 and a portable paper having a fixed paper width is used. It was intended to be used only with printers.

The present invention has been made in view of such circumstances, and an object of the present invention is to provide a portable printer capable of supporting printing paper of various paper widths.

[0006]

According to the present invention, in order to achieve the above object, a printing paper wound in a roll is set in a paper holder, and a pitch detection mark printed on the printing paper at a constant pitch is provided. A portable printer that feeds printing paper from a paper holder to a printing unit at a constant pitch and prints by detecting the sensor with a sensor, wherein the portable printer includes a sensor moving unit that moves the sensor along the width direction of the printing paper. A portable printer characterized by the following.

According to the present invention, the installation position of the sensor can be changed according to the position of the pitch detection mark printed on the printing paper. This makes it possible to cope with various printing papers having different printing positions of the pitch detection marks.

According to another aspect of the present invention, in order to achieve the above object, the sensor moving means includes a guide member provided along a width direction of the printing paper, and a guide member provided along the guide member. A screw block movably supported, and a slide block to which the sensor is attached, slidably provided along the guide member, and having a nut portion screwed to the screw bar; 2. The portable printer according to claim 1, wherein the position of the sensor is moved by moving the slide block by rotating a rod.

According to the present invention, the sensor can be easily moved by attaching the sensor to the slide block screwed to the screw rod and moving the sensor.
Further, it is possible to prevent the moved sensor from easily moving.
That is, since the portable printer is used in a portable manner, it is always vibrated, and a displacement is caused by simple attachment, and it takes time and effort to move the sensor by firm fixing such as screwing. According to the present invention, since the movement is performed by utilizing the rotation of the screw rod, there is no lateral movement due to vibration, and the sensor can be easily moved simply by rotating the screw rod.

According to another aspect of the present invention, the paper holder has a boss on a surface facing each other, and the boss is fitted into a cylindrical core of the paper roll from both sides. A pair of pressing members that sandwich the paper roll, a pair of moving members that respectively support the pair of pressing plates, and that are movably provided along the axial direction of the paper roll, and between the pair of moving members. Arranged in
A pinion rotatably supported, a pair of racks respectively connected to the pair of moving members and meshing with the pinion, and at least one urging means for urging one moving member toward the other moving member; 3. A portable printer according to claim 1, wherein the portable printer comprises:

According to the present invention, it is possible to cope with various types of printing papers having different printing positions of the pitch detection marks, while being able to cope with printing papers of various widths.

[0012]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, a preferred embodiment of a portable printer according to the present invention will be described in detail with reference to the accompanying drawings.

FIG. 1 is a perspective view showing the external configuration of a portable printer according to the present invention. As shown in FIG. 1, the outer case 12 of the portable printer 10 is
4 and a front cover 16.

The case body 14 has an opening at the front thereof, and a front cover 16 covers the opening.
Is attached. As shown in FIG. 2, the front cover 16 includes support pieces 20, 20 at lower portions on both side surfaces, and fitting holes 22, 22 are formed through the respective support pieces 20, 20. The fitting holes 22 and 22 are formed on the support shaft 2 protruding from the lower portions of both side surfaces of the case body 14.
The front cover 16 is rotatably supported on the support shafts 24, 24.
The opening of the case body 14 is opened and closed by the rotation of the front cover 16.

Side covers 26, 26 formed of a soft resin are attached to both side surfaces of the case body 14. The outer case 12 reduces the impact received from the lateral direction by the side covers 26, 26.

A pair of band-like pads 27 made of a soft resin are provided from the back to the bottom of the case body 14.
27 are attached. The outer case 12 reduces the impact received by the band-shaped pads 27, 27 from below and from the back.

Further, three buffer pads 28, 28, 28 are attached to the lower arc portion of the front cover 16, and the buffer pads 28, 28, 28 reduce the impact received when falling.

The outer case 12 is configured as described above.
Various devices necessary for printing, such as a printing device, a paper feeding device, and a control device, are built therein. Also, the front cover 16
Is opened, the paper holder is exposed inside, and the paper roll 4 on which the printing paper 1 is wound around the core 3 is exposed in the paper holder.
(See FIG. 5) is set. Then, the printing paper is fed out of the paper holder and fed to the printing device, and the printing paper printed by the printing device is discharged from an outlet 18 provided on the front of the case body 14.

FIG. 3 and FIG. 4 are a perspective view and an exploded perspective view showing the internal structure of the front cover 16. As shown in the figure, a paper holder 30 and a sensor unit 70 are provided inside the front cover 16.

The paper holder 30 has a pair of press plates 32a and 32b formed in a disc shape, and bosses 34a and 34 provided on the pair of press plates 32a and 32b.
By inserting b into the core 3 of the paper roll 4, the paper roll 4 is sandwiched and supported from both sides.

A pair of holding plates 32a, 32b are respectively provided with columns 38a,
38b, it is supported rotatably about the bosses 34a, 34b. The pair of sliders 36a and 36b
Each is supported slidably inside the front cover 16 along the width direction. This slider 36a, 3
6b is as follows.

As shown in FIGS. 3 and 4, inside the front cover 16, a rib 40 formed in a plate shape is formed along the width direction. A guide groove 42 is formed between the lower surface of the rib 40 and the bottom surface of the front cover 16, and the tip pieces 44a and 44b of the sliders 36a and 36b are fitted in the guide groove 42.

On the other hand, shaft grooves 46a, 46b having a U-shaped cross section are formed at the rear ends of the sliders 36a, 36b along the axial direction of the bosses 34a, 34b. A guide shaft 48 is fitted. The guide shaft 48 is attached to the front cover 16.
The shaft hole 5 has one end formed on one side surface 16 a of the front cover 16.
0a and the other end is
Is fitted in a shaft hole 50b formed in the other side surface 16b.

With the above configuration, a pair of sliders 36a,
36b is a front cover 16 inside the front cover 16.
Are supported so as to be movable along the width direction.

A pinion 52 is arranged between the pair of sliders 36a and 36b slidably supported as described above. This pinion 52 is used for the front cover 1
6 is rotatably supported by being fitted into a boss 54 formed on the bottom surface. The pinion 52 includes a pair of racks 60.
a, 60b are engaged with each other, and each rack 60a, 60b
Are connected to the sliders 36a and 36b, respectively. The pair of sliders 36a and 36b
Due to the action of the pinions 52a, 60b and the pinion 52, they move in the opposite directions with the same amount of movement, thereby varying the distance between the pair of holding plates 32a, 32b.

The boss 54 to which the pinion 52 is attached has a pressing member 56 attached from above the pinion 52 with a screw 58.
6 prevents the pinion 52 from coming off. Also,
The holding member 56 is formed with a U-shaped holding groove 56a, and the guide shaft 48 is formed in the holding groove 56a.
Are fitted and supported.

A compression spring 62 is inserted into the guide shaft 48 which slidably supports the pair of sliders 36a and 36b. One end of the compression spring 62 is engaged with the end surface of one slider 36a, and the other end is engaged with one side surface 16b of the front cover 16. A pair of sliders 36a and 36b
2 urges them toward each other.

O-rings 64a and 64b are attached to the guide shaft 48, and the O-rings 64a and 64b regulate the sliders 36a and 36b so that the interval therebetween is not reduced more than necessary.

According to the paper holder 30 configured as described above, the paper roll 4 is made up of a pair of pressing plates 32a and 32a.
b, the bosses 34a, 34b
And set it. As a result, the paper roll 4 is pressed from both sides by the urging force of the compression spring 62,
32b so as to be held rotatably.

The sensor unit 70 is mounted above the paper holder 30 and detects an eye mark (pitch detection mark) 2 printed on the back surface of the printing paper 1.

As shown in FIGS. 3 and 4, a guide groove 72 is formed in the upper portion of the front cover 16 along the width direction. A slide block 74 is provided in the guide groove 72.
And is slidably supported along the guide groove 72.

A shaft 76 is provided inside the guide groove 72. One end of the shaft 76 is fitted into a bearing hole 78 formed in the front cover 16, and the other end is fitted into a bearing hole (not shown) formed in the bearing member 80, and is rotatably supported. . A male screw 82 is formed at one end of the shaft 76, and a nut 84 formed on the slide block 74 is screwed to the male screw 82. Further, a knob 86 is formed at the other end of the shaft 76, and the shaft 76 is rotated by turning the knob 86 with a finger.
When the shaft 76 rotates, the slide block 74 moves along the guide groove 72. An eye mark detection sensor 88 for detecting an eye mark is attached to the slide block 74.

The bearing member 80 that supports one end of the shaft 76 is attached to a pair of female screw portions 90 formed at the end of the guide groove 72 by screwing with screws 92, 92. .

The operation of the portable printer 10 according to the present embodiment having the above-described structure is as follows.

First, the paper roll 4 is set on the paper holder 30. Here, as shown in FIG. 5, it is assumed that a paper roll 4 in which eye marks 2 are formed at both ends of the back surface of the printing paper 1 is used.

First, the front cover 16 is opened to expose the paper holder 30. Next, a pair of holding plates 32
The interval between a and 32b is increased. Next, the paper roll 4 is set between the pair of pressing plates 32a and 32b that have been expanded. Then, the boss 3 provided on each of the pressing plates 32a, 32b is reduced while reducing the distance between the pair of pressing plates 32a, 32b.
4a and 34b are fitted into the core 3 of the paper roll 4 from both sides.

Here, a pair of holding plates 32a, 32b
Are urged in a direction approaching each other by the compression spring 62, the paper roll 4 in which the bosses 34a, 34b are fitted into the core 3 is sandwiched from both sides by the pair of pressing plates 32a, 32b. The paper roll 4 is held by the paper holder 30.

Next, the position of the eye mark detection sensor 88 is adjusted. That is, the knob 86 formed on the shaft 76 is turned with a finger, and the slide block 74 is
2, the eye mark detection sensor 88 is moved to a position where the eye mark 2 formed on the printing paper 1 can be detected.

The setting is completed as described above, and thereafter, the front cover 16 is closed. Then, the power switch 13 is turned on and used.

As described above, in the portable printer 10 of the present embodiment, the eye mark detection sensor 88 is provided so as to be movable. Can be detected. Similarly, even if the position of the eye mark changes due to a change in the sheet width, it can be effectively detected correspondingly.

Since the portable printer 10 is used in a portable manner, it always receives vibrations. However, as in the present embodiment, the eye mark detection sensor 88 is provided by using a moving mechanism including a screw and a nut. By moving, even if it receives vibration, the position of the eye mark detection sensor 88 is less likely to shift, and it can be used at the set position at all times. In addition, since it can be easily moved only by rotating the screw, setting can be performed quickly.

The mechanism for moving the eye mark detection sensor 88 is not limited to that of the present embodiment, but may be moved using another mechanism. For example, the slide block 74 is formed of an elastically deformable material such as plastic, and the slide block 74 is appropriately tightened on the inner wall surface of the guide groove 72, so that the slide block 74 is slidably supported and stopped at an arbitrary position. You may comprise so that it can be performed.

In the present embodiment, the shaft 76 is rotated manually. However, a motor may be connected to the shaft 76 and the shaft 76 may be rotated automatically.

In this embodiment, the present invention is applied to a portable printer capable of changing the paper width. However, the present invention can be similarly applied to a portable printer having a constant paper width. it can.

[0045]

As described above, according to the present invention,
Since the installation position of the sensor can be changed according to the position of the pitch detection mark printed on the printing paper, it is possible to cope with printing paper of various paper widths in which the printing position of the pitch detection mark is different.

[Brief description of the drawings]

FIG. 1 is a perspective view showing an external configuration of a portable printer.

FIG. 2 is a side view of an outer case.

FIG. 3 is a perspective view showing an internal structure of a front cover.

FIG. 4 is an exploded perspective view showing the internal structure of the front cover.

FIG. 5 is a perspective view showing a configuration of a paper roll.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 ... Printing paper, 2 ... Eye mark (pitch detection mark), 3 ... Core, 4 ... Paper roll, 10 ... Portable printer, 12 ... Outer case, 14 ... Case body, 16 ...
Front cover, 18 ... Exit, 20 ... Support piece, 22 ...
Fitting hole, 24: support shaft, 26: side cover, 27: band-shaped pad, 28: buffer pad, 30: paper holder, 32
a, 32b: holding plate, 34a, 34b: boss, 36
a, 36b: slider, 38a, 38b: column, 40
... Rib, 42 ... Guide groove, 44a, 44b ... Tip piece, 4
6a, 46b: shaft groove, 48: guide shaft, 5
0a, 50b: shaft hole, 52: pinion, 54: boss, 56: holding member, 58: screw, 60a, 60b ...
Rack, 62 ... compression spring, 64a, 64b ... O-ring,
Reference numeral 70: Sensor unit, 72: Guide groove, 74: Slide block, 76: Shaft, 78: Bearing hole, 80: Bearing member, 82: Male screw part, 84: Nut part, 86: Knob part, 88: Eye mark detection Sensor, 90 ... female screw part,
92 ... Screw

Claims (3)

    [Claims]
  1. A printing paper wound in a roll is set in a paper holder, and a mark for pitch detection printed on the printing paper at a constant pitch is detected by a sensor.
    A portable printer for feeding print paper from a paper holder to a printing unit at a constant pitch for printing, comprising a sensor moving means for moving the sensor along a width direction of the print paper.
  2. 2. The apparatus according to claim 1, wherein the sensor moving unit comprises: a guide member disposed along a width direction of the printing paper; a screw rod disposed along the guide member and rotatably supported; A slide block provided with a sensor, slidably provided along the guide member, and having a nut portion screwed to the screw rod, wherein the slide block is rotated by rotating the screw rod. 2. The portable printer according to claim 1, wherein the position of the sensor is moved by moving the sensor.
  3. 3. The paper holder has bosses on surfaces facing each other, and the bosses are fitted into a cylindrical winding core around which the printing paper is wound from both sides to clamp the winding core. A pair of pressing plates, a pair of moving members that respectively support the pair of pressing plates, and are movably provided along the axial direction of the core, and are disposed between the pair of moving members, A pinion freely supported, a pair of racks respectively connected to the pair of moving members and meshing with the pinion, and at least one urging means for urging one moving member toward the other moving member; The portable printer according to claim 1, wherein the portable printer comprises:
JP2000262685A 2000-08-31 2000-08-31 Portable printer Pending JP2002067408A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2000262685A JP2002067408A (en) 2000-08-31 2000-08-31 Portable printer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2000262685A JP2002067408A (en) 2000-08-31 2000-08-31 Portable printer

Publications (1)

Publication Number Publication Date
JP2002067408A true JP2002067408A (en) 2002-03-05

Family

ID=18750330

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2000262685A Pending JP2002067408A (en) 2000-08-31 2000-08-31 Portable printer

Country Status (1)

Country Link
JP (1) JP2002067408A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013046295A1 (en) * 2011-09-26 2013-04-04 ホリゾン・インターナショナル株式会社 Paper feed device
WO2015151361A1 (en) * 2014-03-31 2015-10-08 シチズンホールディングス株式会社 Printer

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4860031A (en) * 1983-09-22 1989-08-22 Goerz Electro Gesellschaft M.B.H. Register tape transport device
JPH0445044A (en) * 1990-06-08 1992-02-14 Nagano Japan Radio Co Loading device for roll paper
JPH067950U (en) * 1992-07-03 1994-02-01 神崎製紙株式会社 Printer
JPH11115252A (en) * 1997-10-09 1999-04-27 Seiko Epson Corp Printer
JPH11171155A (en) * 1997-10-09 1999-06-29 Seiko Epson Corp Printer
JPH11199098A (en) * 1998-01-07 1999-07-27 Toshiba Tec Corp Printer
JP2000072295A (en) * 1998-08-31 2000-03-07 Toshiba Tec Corp Holder for roll paper

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4860031A (en) * 1983-09-22 1989-08-22 Goerz Electro Gesellschaft M.B.H. Register tape transport device
JPH0445044A (en) * 1990-06-08 1992-02-14 Nagano Japan Radio Co Loading device for roll paper
JPH067950U (en) * 1992-07-03 1994-02-01 神崎製紙株式会社 Printer
JPH11115252A (en) * 1997-10-09 1999-04-27 Seiko Epson Corp Printer
JPH11171155A (en) * 1997-10-09 1999-06-29 Seiko Epson Corp Printer
JPH11199098A (en) * 1998-01-07 1999-07-27 Toshiba Tec Corp Printer
JP2000072295A (en) * 1998-08-31 2000-03-07 Toshiba Tec Corp Holder for roll paper

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013046295A1 (en) * 2011-09-26 2013-04-04 ホリゾン・インターナショナル株式会社 Paper feed device
US8833764B2 (en) 2011-09-26 2014-09-16 Horizon International Inc. Sheet feeding machine
EP2657164A4 (en) * 2011-09-26 2015-03-11 Horizon Int Inc Paper feed device
JPWO2013046295A1 (en) * 2011-09-26 2015-03-26 ホリゾン・インターナショナル株式会社 Paper feeder
WO2015151361A1 (en) * 2014-03-31 2015-10-08 シチズンホールディングス株式会社 Printer
JP2015193437A (en) * 2014-03-31 2015-11-05 シチズンホールディングス株式会社 printer
CN105764821A (en) * 2014-03-31 2016-07-13 西铁城控股株式会社 Printer
US9597902B2 (en) 2014-03-31 2017-03-21 Citizen Watch Co., Ltd. Printer

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