JPS6347488Y2 - - Google Patents

Description

[Detailed Description of the Invention] The present invention relates to a paper guide device for a printer.

More specifically, electronic cash registers (hereinafter referred to as
ECR), etc., is equipped with a stamp device for printing store names, etc., and has the ability to print on validation or slip paper in addition to roll paper at the same printing station. The present invention relates to a paper guiding device.

The paper guide device of conventional ECR printers is
As shown in the figure, it consists of a paper guide (lower) 9 that also serves as a holder for the stamp 11, and a paper guide (upper) 10 that prevents the paper from being soiled by the stamp 11 and passes the paper through a predetermined gap. It was customary for the guide (top) 10 to have a hole for the stamp 11 to pass through. Further, in many cases, the passage route of the roll paper 12 and the cut paper 13 such as a slip or validation paper are the same. From this point of view, when inserting the cut sheet 13, the paper guide (upper) 1
It had a serious drawback in that the paper was easily caught in the hole for the 0 stamp. Slip or validation requires a separate sheet of paper to be set for each customer, which can be a considerable hassle when insertion is difficult. Furthermore, when inserting the roll paper 12, there is a similar problem in that it is difficult to insert the roll paper 12. Furthermore, when inserting paper 13 such as a slip or validation paper, if you try to insert it in a direction perpendicular to the direction in which the paper travels, the roll paper 12 has already been set, so the sides of the roll paper 12 However, it has the disadvantage that insertion is obstructed.

The present invention has been made in order to eliminate the above-mentioned drawbacks, and the purpose of the present invention is to provide a paper guide device for a printer that improves the ease of inserting cut paper such as slip or validation paper and roll paper. be.

The present invention provides a paper guide device that guides roll paper and cut paper to a printing mechanism section, and a stamp that stamps the roll paper or the cut paper guided to the printing mechanism section, and the stamp is arranged. an upper paper guide disposed on the side where the paper guide is placed, a middle paper guide disposed at a constant interval from the upper paper guide, and a middle paper guide disposed at a constant interval from the middle paper guide. a lower paper guide that also serves as a stamp stand; the upper paper guide is provided with an opening at a position facing the stamp with four edges bent toward the stamp side through which the stamp can pass; The middle paper guide is formed by bending the edge closest to the insertion direction of the roll paper and one edge following it to the roll paper side among the four edges at a position facing the opening, and the remaining 2 edges being bent toward the roll paper side. bending one edge toward the stamp side to provide an opening through which the stamp can pass, inserting and guiding the cut paper between the upper paper guide and the middle paper guide, and guiding the cut paper between the upper paper guide and the middle paper guide; The paper guide device is characterized in that the roll paper is inserted and guided between the roll paper and the lower paper guide, and one embodiment of the present invention will be described below with reference to the drawings.

FIG. 1 is a perspective view of a paper guide (middle) 1 showing an embodiment of the present invention. The paper guide (middle) 1 is shaped like a U-shape to guide the left and right sides of the roll paper 7.
It is bent into a shape, and a hole 1h through which the stamp 4 passes is open approximately in the center. The shape of the edge of the hole 1h is not the conventional shape, that is, a hole simply punched out, but the edge 1b closest to the insertion opening for the roll paper 7 and the following edge on the left side in the direction of travel of the roll paper 7. 1a is bent downward, that is, toward the roll paper 7, and the angle thereof is approximately 15° to 45°. The edge 1c on the right side in the traveling direction of the roll paper 7 and the edge 1d furthest from the insertion opening for the roll paper 7 are bent upward, that is, in a direction away from the roll paper.

As shown in Figures 2 and 3, paper guide (middle) 1
is installed between the paper guide (upper) 2 and the paper guide (lower) 3 which also serves as a stamp stand. Paper guide (top)
Similar to paper guide (middle) 1, hole 2 is made for the stamp 4 to pass through, and all four edges of the square hole are bent toward the stamp side, and the angle is approximately 15° to 60°. It is about ゜. The paper guide (middle) 1 and the paper guide (bottom) 3 form a box shape, and the roll paper 7 passes through it, and the slip or validation paper 8 is connected to the paper guide (middle) 1 and the paper guide. (Top) 2, and the stamp face of the stamp 4 is provided at a position sufficiently distant from the guide surface on which the slip of the paper guide (Top) 2 passes.

In the paper guide device configured as described above, when the roll paper 7 is inserted from the direction of the arrow 14, the edge 1b of the stamp hole 1h of the paper guide (middle) 1 is bent downward. , the roll paper 7 is difficult to face in the direction of the stamp 4 and moves almost straight. As a means to make this more effective, paper guide (medium)
There are edges 1a and 1d of the stamp hole. 1a is bent in the same direction as 1b, and one end is connected to 1b. The other end is bent to the nearest point 1d, and almost no force is generated to move the roll paper 7 in the direction of the stamp 4.

Furthermore, if the center of the leading edge of the roll paper 7 is slightly curled upward, the edge 1d of the stamp hole in the paper guide (middle) 1 is bent upward, so it will not get caught and will roll out smoothly. guided to a designated position. If the edge 1d is flat or bent downward, and if the center of the leading edge of the roll paper 7 is curled upward, it will easily get caught.

The roll paper 7 passing between the paper guide (middle) 1 and the paper guide (lower) 3 advances between the platen 5 and the printing means 6, and the printing means 6 prints on the roll paper.

Next, the case of inserting a cut sheet 8 such as a slip or validation sheet will be explained. First, when inserting the roll paper 7 in the advancing direction, cut paper 8
passes between the platen 5 and the printing means 6, and the arrow 15
It will be inserted from the direction of Paper guide (top)
All four edges of the hole 2 are bent toward the stamp 4 side, and by making this bend sufficiently large,
The cut sheet 8 will not get caught in the hole in the paper guide (upper) 2. Next, regarding the stamp hole of the paper guide (middle) 1, the edges 1d and 1c restrict the movement of the paper 8 in the paper guide (lower) 3 direction, and the other edges 1a, 1
b guides the paper 8 in a predetermined direction without getting caught even if the paper 8 is slightly curled in the direction of the paper guide (lower) 3.

Next, a case will be described in which the paper 8 is moved and inserted in a direction perpendicular to the traveling direction of the roll paper 7.

In FIG. 3, when the paper 8 is inserted from the direction of the arrow 17, the stamp holes in the paper guide (upper) 2 are as described above. Paper guide (medium) 1
Regarding the stamp hole, the edges 1c and 1d restrict movement in the three directions of the paper guide (lower), and the edges 1a and 1b
Even if the paper 8 is slightly curled in the three paper guide (lower) directions, it will not get caught and will guide the paper edge to a predetermined position.

4, 5, and 6 show a second embodiment. In this embodiment, as shown in FIG. The shape is such that when the cut sheet 8 is inserted from the direction of the arrow 15, the edge 22d closest to the sheet insertion slot and the following left edge 22c are bent downward, that is, in the direction of the sheet 8; Edges 22a and 22b opposite to 22c are bent upward, that is, toward the stamp side. The paper guide (medium) 1 has the same shape as the first embodiment.

In FIG. 4, when a cut sheet 8 such as a slip or validation sheet is inserted from the direction of the arrow 15, the edge 22d of the paper guide (upper) 22 and the edge 22c shown in FIG. 5 are bent downward. Therefore, the movement of the cut sheet 8 in the direction of the stamp 4 is restricted by the regulating force of these two edges, and even if the cut sheet 8 is slightly curled in the direction of the stamp 4, the edge 22
Since a and 22b are bent upward, that is, toward the stamp 4 side, they are guided to a predetermined position without being caught on the edges.

Furthermore, when inserting the cut sheet 8 from the direction of the arrow 17, the edges 22a, 22b, 22c, and 22d have the same function.

By configuring as in this embodiment, the slip paper 8, validation paper, etc. can be guided to a predetermined position more smoothly.

7 and 8 show the third embodiment. In this embodiment, when inserting the roll paper 7 and when printing on the roll paper, the steps are not shown as shown in FIG. 7. With means, paper guide (middle) 1 is moved to axis 1
9 and bring it close to the paper guide (upper) 2. Furthermore, when inserting a cut sheet 8 such as a slip or validation sheet, or when printing on the cut sheet 8, a means (not shown) is used to insert the paper guide (middle) 1.
is rotated to bring it close to the paper guide (lower) 3.

This embodiment has the effect of further improving the ease of inserting roll paper and cut paper.

Note that the paper guide (middle) 1 may be rotated as described above, or it may be moved vertically in parallel using a lever or the like to bring it closer to the paper guide (top) or paper guide (bottom). can.

As described above, according to the present invention, the shape of the opening provided in the middle paper guide is set at the edge closest to the roll paper insertion direction among the four edges and one edge following the one on the roll paper side. The remaining two edges are bent toward the stamp side, so even if the roll paper is curled, it will not be bent when inserting the roll paper between the middle paper guide and the bottom paper guide. The roll paper is straightened by the edge of the opening, making it possible to insert the roll paper easily and quickly, eliminating trouble. Further, since the contact between the roll paper and the inner paper guide is limited to the bent edge of the opening, the running resistance of the roll paper is reduced and smooth paper feeding is possible. This is particularly effective when the humidity is high because it can prevent the roll paper from sticking to the paper guide. Furthermore,
The upper paper guide has an opening in the position facing the stamp by bending the four edges toward the stamp, allowing the stamp to pass through. When inserting the stamp, the cut sheet does not come into contact with the stamp and no dirt is generated. Furthermore, the edge of the inner paper guide that is bent toward the stamp side prevents the cut paper from coming into close contact with the inner paper guide, reducing the running resistance of the cut paper and allowing smooth paper feeding. .

[Brief explanation of the drawing]

FIG. 1 is a perspective view showing the positional relationship between a paper guide (medium) 1, roll paper, and cut paper according to an embodiment of the present invention. FIG. 2 is a side view of a paper guide device showing an embodiment of the present invention, and FIG. 3 is a front view thereof. 4 is a side view of a paper guide device showing a second embodiment of the present invention, FIG. 5 is a front view thereof, and FIG. 6 is a perspective view of the paper guide (upper) 22 of the embodiment of FIG. 4. It is. FIG. 7 is a side view showing the third embodiment of the present invention, showing the setting of the roll paper 7 and the printing state. Figure 8 shows
FIG. 3 is a side view of the third embodiment of the present invention, showing insertion of a cut sheet and its printing state. FIG. 9 shows a conventional paper guiding device. 1... Paper guide (middle), 2, 22... Paper guide (top), 2
e...Paper guide (upper) cut paper side guide part, 2
f... Insertion guide section for paper guide (upper) when inserting the cut sheet 8 from the side, 3... Paper guide (lower), 4... Stamp, 5... Platen, 6... Printing means, 18... Table.

Claims (1)

[Scope of Utility Model Registration Claim] A paper guide device that guides roll paper and cut paper to a printing mechanism, a stamp that stamps the roll paper or the cut paper guided to the printing mechanism; an upper paper guide disposed on the side where the stamp is disposed, a middle paper guide disposed at a fixed interval from the upper paper guide, and a middle paper guide disposed at a fixed interval from the middle paper guide. and a lower paper guide that also serves as a stamp stand of the stamp, and the upper paper guide has an opening at a position facing the stamp with four edges bent toward the stamp so that the stamp can pass through. The middle paper guide is formed by bending the edge closest to the insertion direction of the roll paper and one edge following it to the roll paper side among the four edges at a position facing the opening. and bending the remaining two edges toward the stamp side to provide an opening through which the front stamp can pass, and inserting and guiding the cut sheet between the upper paper guide and the middle paper guide,
A paper guide device characterized in that the roll paper is inserted and guided between the middle paper guide and the lower paper guide.