JPH10181109A - Small sized printer - Google Patents

Abstract

PROBLEM TO BE SOLVED: To execute printing by means of a small sized printer capable of being moved straight at equal line spacing by scanning it by a freehand. SOLUTION: A small sized printer 1 is comprised of a printer body 2 and a desk pad 3. A projection section 21a is provided on the printer body and a plurality of guide rails 3a which are arranged straight at equal intervals are provided on the desk pad 3. A recording medium P is placed on the desk pad 3 and the projection section 21a is fitted to one of the guide rails 3a with the recording medium therebetween, then the printer body 2 is moved to be scanned along the guide rail 2a thereby performing the printing. When printing the next line, the printer body 2 is moved along the guide rail 3a placed at the next position, then the printing is performed similarly. As a result, it is possible to print straight at equal line spacing by scanning the printer by a freehand.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a small-sized printing apparatus, and more particularly to a small-sized printing apparatus comprising a printing apparatus main body for performing printing and a member for guiding the running of the printing apparatus main body.

[0002]

2. Description of the Related Art Conventionally, a manual type printing apparatus has been proposed as an apparatus for printing on various recording media at desired locations. FIG. 3 shows a printing state of the printing apparatus. The printing by the printing device 10 is performed by the user manually scanning the printing device 10 on the recording medium P at an arbitrary speed, and ejecting ink to the recording medium by the recording head according to the amount of movement of the printing device 10. Will be The printing apparatus 10 has an advantage that printing can be performed on a thick recording medium or a large recording medium that cannot be printed by a stationary printing apparatus.

[0003]

However, according to the conventional manual printing apparatus as described above, since the scanning of the printing apparatus at the time of printing is performed by the user freehand, it is difficult to drive the printer linearly. However, it is difficult to obtain a printing result that is linear and has a uniform line feed pitch as in a stationary printing apparatus. In addition, it is conceivable to perform printing linearly using a ruler that corrects the traveling direction of the manual type printing apparatus. However, even in this case, it has been difficult to print at a uniform line feed pitch.

SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned problems, and has a small size capable of printing linearly and at equal intervals of a line feed pitch by freehand scanning of a printing apparatus. It is an object to provide a printing device.

[0005]

According to a first aspect of the present invention, there is provided a small-sized printing apparatus comprising: a recording unit for performing printing on a recording medium by manually scanning the recording medium; A small-sized printing apparatus comprising a printing apparatus main body provided and a traveling direction correction member for correcting a traveling direction of the apparatus main body, wherein the traveling direction correction member is formed in a thin plate shape, and a surface on which the apparatus main body is mounted. Is provided with rail-shaped guide means linearly and at equal intervals, and the apparatus main body is provided with engagement means for engaging with the guide means.

In the above construction, since the engaging means of the apparatus main body engages with linear and equally spaced rail-shaped guide means provided on the thin plate-like traveling direction correcting member, the recording medium such as paper can be used. If the printer is placed on the traveling direction correction member and the printing device main body is scanned along the guide means, it is linear, and
Printing can be performed at a uniform line feed pitch.

According to a second aspect of the present invention, there is provided a small-sized printing apparatus according to the first aspect, wherein one of the guide means and the engaging means has a protruding shape, and the other has a groove shape. That is

In the above construction, one protruding shape of the guide means and the engaging means is engaged with the other groove shape, so that the running of the printing apparatus main body can be reliably and linearly guided with a simple structure. can do.

According to a third aspect of the present invention, there is provided a small-sized printing apparatus according to the first aspect, wherein the traveling direction correcting member is made of a flexible material.

In the above configuration, since the traveling direction correction member is made of a flexible material, even if the recording medium such as paper is pressed against the traveling direction correction member by the engaging member during traveling of the printing apparatus main body, The guide means or the engagement means is not easily formed with the mold and is not easily damaged. Further, when the printing apparatus main body scans, a recording medium such as paper placed on the traveling direction correction member is less likely to be displaced.

According to a fourth aspect of the present invention, there is provided a small-sized printing apparatus according to the first aspect, wherein the engaging means comprises a traveling means for allowing the apparatus body to travel on a recording medium. And at a position outside the recording means.

In the above configuration, since the engaging means is disposed at a position separated from the traveling means and the recording means, the traveling and printing operations by the printing apparatus main body are not affected.

[0013]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A small printing apparatus according to an embodiment of the present invention will be described below with reference to the drawings. FIG.
FIG. 2 is a perspective view showing a state of printing by a small printing apparatus, and FIG.
(A) is a front view of the printing apparatus main body, (b) is a side view of the printing apparatus main body and an underlay, and (c) is a bottom view of the printing apparatus main body. The small printing device 1 includes a printing device main body 2 that performs printing by scanning on a recording medium P such as paper, and a plate-shaped underlay (a running direction correction member) 3 that corrects the running direction of the printing device main body 2.
Consists of The printing apparatus main body 2 is an ink jet type recording apparatus, and a recording medium P is provided below the main body housing 2a.
And a holder 21 for keeping the distance from the holder constant. The holder 21 is formed with a protrusion (engaging means) 21 a having a shape to be engaged with a guide rail (guide means, which will be described later) formed on the underlay 3, and ejects ink into the holder 21. A recording head (recording means) 22 for performing printing by the printer and a roller (traveling means) 23 for causing the printing apparatus main body 2 to travel on the recording medium P are provided.

The underlay 3 is made of a flexible material such as rubber, silicon rubber, plastic or the like, and is formed in a plate shape. On one surface of the underlay 3, a plurality of linear concave guide rails 3a are provided.
It is formed so as to fit with the protruding portion 21 a of the printing apparatus main body 2. The guide rails 3a are arranged at equal intervals, and the recording medium P is provided on the surface on which the guide rails 3a are provided.
Is placed.

The arrangement of the protruding portion 21a of the printing apparatus main body 2, the recording head 22, and the roller 23 is shown in FIG.
This will be described with reference to FIG. The roller 23 is a recording head 2
The recording head 22 is arranged on the front side in the printing direction (the direction indicated by the arrow) with respect to the recording medium P after printing by the recording head 22. The protruding portion 21a is disposed behind the print head 22 and the roller 23 in the printing direction. Since the recording medium P may bend when pressed against the underlay 3 by the protruding portion 21a, if the protruding portion 21a is located forward of the print head 22 and the roller 23 in the printing direction, the running of the roller 23 is hindered. This is because ink ejection by the recording head 22 may not be performed at an accurate position. Further, the protrusion 21
“a” is disposed at a position off the path of the recording head 22 and the roller 23 so as not to pass over the recording medium P after printing.

The printing operation of the small printing apparatus 1 will be described with reference to FIGS. When printing,
First, as shown in FIG. 1, the recording medium P is placed on the underlay 3 so that the upper end of the recording medium P is parallel to the guide rail 3a.
Is placed. Next, the printing apparatus main body 2 is placed at a desired printing start position on the recording medium P, and the projection 21a is fitted to the guide rail 3a near the printing start position via the recording medium P. Then, the printing apparatus main body 2 is scanned along the guide rail 2a in the direction of the arrow in FIG. Ink is ejected from the recording head 22 according to the amount of movement of the printing apparatus main body 2, and printing is performed on the recording medium P. When printing for one line is completed, the printing apparatus main body 2 is moved to the position of the next guide rail 3a, the protrusion 21a is fitted into the guide rail 3a, and printing is performed in the same manner as described above. .

As described above, the small printing apparatus 1 of the present embodiment
According to this, since the plurality of guide rails 3a are provided linearly and at equal intervals on the underlay 3, the recording medium P
When the printer main body 2 is placed, the protrusion 21a is fitted on the guide rail 3a via the recording medium P, and the printer main body 2 is scanned along the guide rail 2a, linear printing without distortion is performed. It can be performed. Further, when performing a line feed operation for printing the next line, the printing device main body 2 is sequentially moved to the guide rail 2a disposed next to perform printing, so that printing at a line feed pitch at equal intervals is performed. The result can be done. Further, since the underlay 3 is made of a flexible material such as rubber, silicon rubber, plastic, or the like, even if the recording medium P is pressed against the underlay 3 by the protrusions 21a, the recording medium P is not easily damaged, and P is less likely to shift.

The present invention is not limited to the configuration of the above-described embodiment, but can be variously modified. For example, in the above embodiment, the projection 21 a is provided on the holder 21 of the printing apparatus main body 2, and the concave guide rail 3 a is provided on the recording medium P mounting surface of the underlay 3. The present invention is not limited to this configuration. A configuration in which a concave portion is provided in the holder 21 of the printing apparatus main body 2 and a convex guide rail that fits into the concave portion is provided on the recording medium P mounting surface of the underlay 3 is also possible. .

[0019]

As described above, according to the small-sized printing apparatus according to the first aspect of the present invention, the engaging means of the apparatus main body includes the guide means formed linearly and at equal intervals on the traveling direction correcting member. Since the paper is engaged, a recording medium such as paper is placed on the traveling direction correction member, and the printing apparatus main body is scanned along the guide means. Printing can be performed, and a high-quality printing result equivalent to a stationary printing device can be obtained.

According to the second aspect of the present invention, the running of the printing apparatus main body is corrected by the one protruding shape of the guide means and the engaging means and the other groove shape. With a simple configuration, the running of the printing apparatus main body can be reliably linearly guided.

According to the third aspect of the present invention, since the traveling direction correcting member is made of a flexible material, the recording medium such as paper is corrected in the traveling direction by the traveling of the printing apparatus body. Even when pressed against the member, the guide means or the engaging means is not easily formed on the recording medium and is hardly damaged. Further, even when the printing apparatus main body runs on the running recording medium, the recording medium is hardly displaced from the running direction correction member.

According to the fourth aspect of the present invention, since the engaging means is disposed at a position separated from the traveling means and the recording means, the traveling and printing operations by the printing apparatus main body are obstructed. It is possible to smoothly run and print without any influence.

[Brief description of the drawings]

FIG. 1 is a perspective view showing a state of printing by a small printing apparatus according to an embodiment of the present invention.

2A is a front view of the printing apparatus main body, FIG. 2B is a side view of the printing apparatus main body and an underlay, and FIG. 2C is a bottom view of the printing apparatus main body.

FIG. 3 is a perspective view showing a state of printing by a conventional printing apparatus.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Small printing apparatus 2 Printing apparatus main body 3 Underlay (traveling direction correction member) 3a Guide rail (guide means) 21a Projection part (engagement means) 22 Recording head (recording means) 23 Roller (traveling means)

Claims (4)

[Claims] 1. A compact device comprising: a printing apparatus main body having a recording means for performing printing on a recording medium by manually scanning the recording medium; and a traveling direction correcting member for correcting a traveling direction of the apparatus main body. In the printing apparatus, the traveling direction correction member is formed in a thin plate shape, and a rail-shaped guide unit is linearly and equidistantly provided on a surface on which the device main body is mounted. A small-sized printing apparatus comprising an engaging means for engaging with the means. 2. The small printing apparatus according to claim 1, wherein one of the guide means and the engagement means has a projecting shape, and the other has a groove shape. 3. The small printing apparatus according to claim 1, wherein the traveling direction correction member is made of a material having flexibility. 4. The small-sized device according to claim 1, wherein the engaging means is provided at a position separated from the traveling means for traveling of the apparatus main body on a recording medium and the recording means. Printing device.