JP2001097336A - Portable type printing device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a portable type printing device in which a load in the case of feeding a recording paper can be reduced. SOLUTION: There are provided a main body 2 formed with a recording paper storing segment 2a having a rolled recording paper 1 stored therein; and a lid member 3 pivotally installed at the main body for opening or closing said recording paper storing segment. The lid is provided with a segment 3b for covering a front surface of said recording paper storing segment and a segment 3a for covering a side surface. A segment covering said side surface is provided with supporting rollers 8 contacted with an inner circumferential surface of said recording paper and rotatably supporting said recording paper around its axis.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a printing apparatus for converting, for example, product information into a bar code and printing the bar code on a recording paper such as a label. And a portable printing device.

[0002]

2. Description of the Related Art Generally, bar-coded product information is printed on a product such as a product on a recording paper such as a label.
This recording paper is affixed to a product, and a printing device that prints and issues the recording paper at a site where the product is handled has been proposed.
In such a portable printing apparatus, as shown in FIG. 3, a roll-shaped recording paper 1 is used.
Stored in a recording paper storage section 2a provided in the apparatus main body 2,
The recording paper 1 is pulled out from the recording paper storage section 2a and sent to the printing section. Then, in a state where the recording paper 1 is stored in the recording paper storage section 2a,
It is supported by being brought into contact with the inner wall surface of the apparatus main body 2.

[0003]

By the way, in such a portable printing apparatus, as described above, the recording paper 1
Is brought into contact with the inner wall surface of the recording paper storage section 2a of the apparatus main body 2 to support the recording paper. Friction occurs due to sliding with the inner wall surface of the recording paper storage section 2a, and as a result, there is a problem that a load when feeding the recording paper 1 is large.

When the printing surface of the recording paper 1 is on the outer surface of the roll, the printing surface may be damaged by friction with the inner wall surface of the apparatus main body 2 and may cause deterioration of printing quality. In particular, when the recording paper 1 is a heat-sensitive recording paper, the color may be changed by the above-mentioned friction.

SUMMARY OF THE INVENTION The present invention has been made in view of such conventional problems, and has as its object to provide a portable printing apparatus capable of reducing a load at the time of feeding recording paper.

[0006]

According to a first aspect of the present invention, there is provided a portable printing apparatus for achieving the above object.
A main body in which a recording paper storage section for storing recording paper in a roll form is formed, and a lid rotatably mounted on the main body and opening and closing the recording paper storage section, wherein the lid has A part that covers the front surface of the recording paper storage part and a part that covers the side surface are provided, and the part that covers the side surface is brought into contact with the inner peripheral surface of the recording paper to move the recording paper along its axis. It is characterized in that a support roller for rotatably supporting around is provided. A portable printing apparatus according to a second aspect of the present invention is characterized in that a plurality of the support rollers according to the first aspect are provided around a rotation center of the recording paper.

[0007]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to FIGS. It should be noted that main constituent members in the present embodiment are almost the same as those in FIG. 3, and therefore, these will be described with reference to FIG. 3. As shown in FIG. 1, a portable printing apparatus according to the present embodiment includes a main body 2 having a recording paper storage section 2a for storing recording paper 1 formed therein.
And a cover 3 rotatably mounted on the main body 2 to open and close the recording paper storage section 2a. The main body 2 has a print head 4 (for printing on the recording paper 1). The cover 3 is provided with a platen roller 5 for holding the recording paper 1 between the cover 3 and the print head 4 in a state where the cover 3 is located at the closed position. ing.

Next, these details will be described.
The recording paper 1 includes a band-shaped backing 1a and a label 1b temporarily attached at a predetermined interval to one surface of the band-shaped backing 1a. In the present embodiment, the label 1b is a thermosensitive recording paper. And the band-shaped backing 1a
Is wound around a cylindrical core material S to form a roll.

On the back surface of the main body 2, that is, the surface on the side to be hooked on a belt or the like, and the left surface in FIG.
A clip 6 for hanging the main body 2 on a belt or the like.
In addition, a recording paper issuing unit 2b for discharging the recording paper 1 after printing is formed on the front surface of the main body 2.

In the main body 2, the print head 4 is mounted at a substantially middle portion in the vertical direction along the width direction, and the print head 4 is a thermal head in this embodiment. A space is formed inside the main body 2 below the print head 4 to form the recording paper storage section 2a, and the print head 4 is supported above the print head 4. A control unit including a bracket and a control circuit (both not shown) and a battery 7 are mounted.

The lid 3 is pivotally attached to the side of the recording paper storage section 2a of the main body 2 similarly to the structural example shown in FIG. It can be rotated in the horizontal direction in a state where it is hooked on a belt or the like, and is constituted by a portion 3a that covers the side surface of the recording storage portion 2a and a portion 3b that covers the front surface. In addition, a supporting roller 8 that rotatably supports the recording paper 1 wound in a roll shape around its axis by being brought into contact with the inner peripheral surface of the core material S is provided rotatably.

A portion 3a for covering the side surface constituting the lid 3
As shown in FIG. 2, a positioning plate 9 is attached so as to be substantially parallel to the portion 3a, and the support roller 8 is attached to the positioning plate 9. This support roller 8 is, in this embodiment, 3
The core material S is provided at equal intervals around the axis of the core material S so as to be inscribed inside the core material S.

A pair of brackets 10 (only one is shown in FIG. 1) are provided at the upper end of the lid 3 at an interval in the width direction so as to protrude inward. The platen roller 5 is mounted between the brackets 10.

When the cover 3 is closed, the platen roller 5 is brought into contact with the print head 4 provided on the main body 2 in a parallel state.

Further, as shown in FIG. 3, an engagement piece 11 protruding toward the inside of the main body 2 is protruded from an end of the lid body 3 on the rotation side. When the body 3 is located at the closed position, a lock mechanism 12 provided on the main body 2 is provided.
, The lid 3 is held in the closed position.

In FIG. 1, reference numeral 13 denotes a motor for driving the platen roller 5 to rotate, and reference numeral 14 denotes a motor for rotating the motor 13 to the platen roller 5.
Gear group for transmission to

In the portable printing apparatus according to the embodiment having the above-described configuration, when the cover 3 is opened, the recording paper 1 is rolled on the plurality of support rollers 8 mounted on the cover 3. The recording paper 1 is loaded by mounting the core material S wound in a shape such that the inner surfaces thereof are brought into contact with each other, and the leading end portion of the recording paper 1 is pulled out to a position where it protrudes from the platen roller 5. When the cover 3 is closed, the leading end portion of the recording paper 1 is sandwiched between the platen roller 5 and the print head 4 to be set in a printable state. In this state, it is carried around by being hung on a band or the like by the clip 6 on the back surface.

When the label 1b is issued, as shown in FIG. 1, the printed label 1b is ejected from the recording paper issuing section 2b of the main body 2 together with the band-shaped backing 1a. The label 1b can be peeled off and attached to a product or the like.

At the time of such a recording paper 1 issuing operation,
Since the recording paper 1 wound in a roll shape is supported by the support roller 8 provided on the lid 3, the recording paper 1 is held in a state of floating from the inner surface of the main body 2. Along with the delivery of the recording paper 1,
Since the support roller 8 is rotated, the core material S is smoothly rotated around its axis. As a result, the feeding load of the recording paper 1 is greatly reduced, and the rubbing between the recording paper 1 and the inner wall surface of the main body 2 is suppressed, and the occurrence of troubles such as damage or discoloration of the recording paper 1 is suppressed. The printing quality is maintained.

The various shapes, dimensions, and the like of the components shown in the above embodiment are merely examples, and can be variously changed based on design requirements and the like.

[0021]

Since the present invention is constructed as described above, the recording paper wound in a roll is supported by the supporting roller provided on the lid, so that the recording paper is supported on the main body. Can be held floating from the inner surface of the recording paper, and the rotation of the support roller can smoothly rotate the recording paper around its axis when the recording paper is sent out. As a result, it is possible to greatly reduce the load of feeding the recording paper, suppress the rubbing between the recording paper and the inner wall surface of the main body, suppress the occurrence of problems such as damage or discoloration of the recording paper, and improve the printing quality. Can be secured.

[Brief description of the drawings]

FIG. 1 shows one embodiment of the present invention, and is a schematic side view showing a positional relationship of main constituent members.

FIG. 2 illustrates an embodiment of the present invention, and is an enlarged plan view of a mounting portion of a support roller.

FIG. 3 is a perspective view showing an example of a structure of the portable printing apparatus, in which a lid is opened.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Recording paper 1a Strip mount 1b Label 2 Main body 2a Recording paper storage part 2b Recording paper issuing part 3 Lid 3a Part which covers a side surface 3b Part which covers a front surface 4 Print head 5 Platen roller 6 Clip 7 Battery 8 Support roller 9 Positioning plate 10 Bracket 11 Engagement piece 12 Lock mechanism 13 Motor 14 Gear group S Core

Claims (2)

[Claims] 1. A main body having a recording paper storage portion for storing recording paper in a roll form, and a lid rotatably mounted on the main body to open and close the recording paper storage portion. A portion that covers the front surface of the recording paper storage portion and a portion that covers a side surface of the lid, and the portion that covers the side surface is brought into contact with the inner peripheral surface of the recording paper, A portable printing device comprising a support roller for rotatably supporting a recording paper around its axis. 2. The portable printing apparatus according to claim 1, wherein a plurality of the support rollers are provided around a rotation center of the recording paper.