JPH0248353A - paper guide device - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

Detailed Description of the Invention (Objective of the Invention) (Industrial Field of Application) The present invention relates to an original time guide unit of a document reading device such as a facsimile machine, and a recording paper guide unit of a printing device H such as a printer or a copying machine. The present invention relates to a paper guiding device for introducing paper into such devices.

(Prior art) A paper guide device for equipment such as a facsimile machine has a
It includes a guide stand that supports the paper and guides it to the device, and a guide body that regulates the position of the paper in the width direction. For example, as shown in FIG.
] A guide surface 2 that supports and guides the lower surface is provided, and a slide recess 3 is formed in front of this guide surface 2. Also, the guide body 4 is provided with a guide surface 2 that supports and guides the lower surface of the guide table 1.
A substrate 5 is provided so as to be slidable in a direction perpendicular to the paper transport direction r2, and the paper protrudes above the guide surface 2 through the sliding recess 3 in the substrate 5, and is transferred along the guide surface 2. A guide piece 6 for regulating the position of the paper P in the direction perpendicular to the paper transport direction F is provided upright, and by sliding the guide piece 6 of the guide body 4 in the direction perpendicular to the paper transport direction F, the device can be moved. There is a paper guide device d in which the position in the width direction of the opposing paper P can be adjusted according to the width dimension of the paper P.

(Problems to be Solved by the Invention) The conventional paper guide device described above has a slide recess in the guide surface 2 of the guide stand 1 so that the guide body 4 can slide in a direction perpendicular to the paper transport direction F. 3, when the paper 1] is hit on the guide table 1, the leading edge of the paper 1] enters the slide recess 3 and moves in the paper transport direction of the slide recess 3, as shown in Fig. 8. Sometimes it got caught on the edge of F. If the leading corner of the paper P gets caught on the edge of the slide recess 3, the paper P may not be introduced into the device, or the paper P may be inserted into the device without any movement while being caught, for example, [paper]] When a paper is introduced into a device with its leading edge bent, problems such as reading or recording errors or paper jams may occur.

The present invention has been developed in view of the above-mentioned problems, and by preventing paper from entering the sliding recess and being caught, the present invention prevents poor paper transport, bending of the paper, and paper jams caused by the bending. In addition, the invention of claim 2 smoothes the passage of the paper over the slide recess, and the invention of claim 3 reliably prevents the paper from getting caught in any condition. It is further aimed at

[Structure of the Invention] (Means for Solving the Problems) The present invention includes a guide stand that supports and guides a sheet to be transferred, and a slide formed on the guide surface of the guide stand. The guide body is provided with a guide piece that protrudes higher than the guide surface through the recessed portion, is slidable in a direction perpendicular to the paper transport direction, and has a guide piece that regulates the position of the paper transported on the guide surface in the direction perpendicular to the transport direction. In the paper guide device, the guide body is provided with a guide portion on a side portion facing an inner surface of the guide piece that regulates the position of the paper.

Further, in the invention of claim 2, the guide portion of the guide body is set such that the front side in the paper transport direction is lower than the guide surface, and the rear side is set higher than the guide surface.

Roughly, in the invention of claim 33, the guide WI of the guide body
S are continuously provided in a direction perpendicular to the paper transport direction.

(Function) According to the present invention, the paper that enters the slide recess is guided from the slide recess onto the guide surface in the paper transport direction by the guide portion of the guide body.

Further, in the invention of claim 2, the front side of the guide portion of the guide body in the paper transport direction is lower than the guide surface, so that the paper can smoothly enter the slide recess.
Moreover, since the rear side of the guide portion of the guide body in the paper transport direction is higher than the guide surface, the paper can be smoothly transferred from the slide recess onto the guide surface.

Furthermore, in the invention of claim 3, the guide section provided perpendicularly to the paper transport direction of the guide body allows the paper to be separated from the guide body and set in the slide recess, for example, or the paper can be set in the slide recess. When J3 is in any state, such as when it is widely inserted into the paper, it is reliably guided from the slide recess to the guide surface in the paper transport direction.

(Embodiment) Hereinafter, the configuration of an embodiment of the present invention will be described with reference to FIGS. 1 to 3.

FIG. 3 shows a facsimile machine as an example of a device to which a paper guide device is applied. , P, !=fff) are introduced one by one into the device main body 11 and read by the reading device, and after being read, they are sent out from the L-direction rear side of the device main body 11 to the cradle 31 and stored therein. .

As shown in FIGS. 1 and 2, the paper guide device 12 includes a guide stand 13, which supports and guides the lower surface of the paper P introduced into the device main body 11. A guide surface 14 is provided, and a pair of rectangular slide recesses 15 are opened at positions on both sides of the guide surface 14 perpendicular to the paper transport direction F. Further, at the edge of each slide recess 15 in the paper transport direction E, there is a guide that slopes upward from the slide recess 15h1 toward the guide surface 14 in the paper transport direction F and is configured as a part of the guide surface 14. An edge surface 1G is formed, and the lowermost inclined end position of this guide edge surface 16 facing the slide recess 15 is a guide body 21a, which will be described later.

The height is set lower than the height of the guide portion 27 of the guide portion 21b on the rear side in the paper transport direction F.

A pair of guide bodies 21a and 21b are arranged facing each slide recess 15.15 of the guide table 13, and each guide body 21a and 21b is arranged on the lower surface of the guide table 13 so as to be perpendicular to the paper transport direction F. A pinion gear has a base plate 22 supported so as to be slidable in parallel to the direction, and a rack 24 of a lever 23 protruding from the base plate 22 in parallel and opposite to each other is rotatably supported on the back surface of a guide table 13. 25
and are engaged with the guide bodies 21a, 21, respectively.
By sliding one side of b, the other side slides integrally in the matching direction or in the opposite direction.

Further, the base plate 22 of each guide body 21a, 21b has a sheet conveyance direction F of the sheet P which protrudes upward from the guide surface 14 through the slide recess 15 and is conveyed along the guide surface 14.
A guide piece 26 is erected to regulate the position in a direction perpendicular to the guide body 21a, 2.
By interlockingly sliding the guide pieces 26 and 26 of 1b in one direction orthogonal to the paper transport direction, the width direction of the paper P with respect to the main body 11 (the width direction of the paper P is The soil portion of the guide j 126 on the device main body 11 side can be adjusted according to the attachment 4114 of the paper guide device 12 to the R device main body 11.
In order to prevent interference with the structure on the first side, a notch is formed leaving a height above the guide surface 14 that allows the width of the paper P to be regulated.

Furthermore, the guide piece 26 of each guide body 21a, 21b
Guide portion 27.27 on the opposite inwardly facing side of ゜26.
The guide portion 27 includes a guide rib 28 that stands upright from the substrate 22 in parallel with the guide piece 2G. The upper surface of the guide rib 28 is sloped upward in a straight line along the paper transport direction F, and The height of the iyi pane of F is set lower than that of the guide surface 14, and the height of the rear end of the paper transport direction F is set higher than the lowest sloped end position of the guide edge surface 16 of the guide surface 14. has been done.

As shown in FIG. 3, on the back side of the paper guide device 12, there is a holder 31 that receives and accommodates the paper P that is introduced from the paper guide device 12 into the device body 11, read by the reader, and discharged. is provided parallel to the guide stand 13.

Then, the paper guide device 1 is attached to the device main body 11 by 5A.
When setting paper P on both guides 2, place paper P on both guides 2.
Place the paper P on the guide surface 14 of the guide stand 13 between the guide pieces 26 and 26 of 1a and 21b, and insert the leading end of the paper P to a predetermined paper feeding position on each wooden body 11 side.

In this case, if the width of the paper 1) and the interval between the guide pieces 2G and 26 do not match, if the size of the paper P is the standard Leize, then for example, if the size of the paper P is Adjust the spacing between the guide pieces 26°26 in advance using the size scale, or add a river (t) between the guide pieces 26°26.
Adjust in advance while guessing (1).

Also, if you fit one claw between the guide pieces 26 and 26,
When placing the sheet on the guide surface 14-L and inserting it into the main body 11 of the device, the leading corner of one sheet is positioned on the slide recess 15, and the sheet P8 is guided. Face 14
According to the method of placing the paper between the guide pieces 20 and 26 after moving it up and down, the leading corner of the paper l] may enter the slide recess 15; The lower surface of the leading edge corner of the paper 1) is placed on the guide tray 128, and the paper 1) is moved in the paper transport direction F.
As the IJJ is avoided, the leading corner of the paper P is lifted by the inclination of the guide rib 28, so the leading corner of the paper P passes over the slide recess 15 and is guided onto the guide surface 14 via the guide edge surface 16. be done. Therefore, the paper P is not pulled 11), and it is possible to prevent paper feeding errors into the main body 11 of the device, bending of the paper P, and paper jams caused by the bending.

Further, the height of the front end of the guide rib 28 in the paper transport direction F is set lower than that of the guide surface 14, and the height of the rear end is set higher than the lowermost inclined end position of the guide edge surface 16 of the guide surface 14. As a result, the paper P enters smoothly into the spacer recess 15, and also moves smoothly from the spacer recess 15 onto the guide surface 14, and the workability of setting the paper P is good.

As shown in FIGS. 4 and 5, the guide surface 14 is not provided with the guide edge surface 16 of the guide surface 14 at the edge of the paper transport direction 1 of the recess 15 for the guide surface 14. If you want to use a wall surface that is easy to handle, set the height of the rear end of the guide riser 28 of the guide section 27 in the paper transport direction F to a height that also protrudes from the guide surface 14. It is possible to prevent this from getting caught.

In addition, as shown in Fig. 6 J3 and Fig. 7, the guide portion 2
1, a guide surface 41 is provided on the rear side of the substrate 22 of the guide bodies 21a, 21b in the paper transport direction F, which slopes upward in the paper transport direction [= and continues in a direction orthogonal to the paper transport direction F. In this case, a fitting groove 42 into which the guide surface 41 is slidably fitted is provided on the back surface of the guide stand 13, and the leading corner of the paper P entering the slide recess 15 is inserted into the guide section. 41, the coin is guided onto the guide surface 14 via the guide edge surface 16. In this embodiment, even if the paper P is hit with the interval between the guide pieces 26 and 26 being wider than the width of the paper P, the guide surface 41 will move the paper P to the guide surface 14.
Since the paper 1] is wide and the distance between the guide pieces 26 and 26 is widened, the leading end of the paper 1] slightly inside the leading corner enters into the slide recess 15. /v''cb The guide surface 41 and the guide edge surface 16 can reliably guide the sheet 1 to the guide surface 14, and can reliably prevent the sheet 1 from getting caught.

Further, the present invention is applicable not only to the facsimile machine described in the above embodiment, but also to various other devices such as printers and copying machines that require the introduction of paper.

〔Effect of the invention〕

According to the present invention, the paper that enters the slide recess is
Since the guide part of the guide body can guide the paper from the sliding recess onto the guide surface in the paper transport direction, it is possible to prevent paper jams caused by poor transport due to paper getting caught, paper bending, and curling. Monkey.

Further, in the invention of claim 2, since the surface side of the guide portion of the guide body in the paper transport direction is lower than the guide surface, the paper can smoothly enter the swidth recess -L, and Since the rear side of the guide part of the guide body in the paper transport direction is higher than the guide surface, the paper can be smoothly transferred from the slide recess onto the guide surface, and the paper can pass over the slide recess. can be made smoother.

Furthermore, in the invention according to claim 3, the guide section continuously provided four times perpendicular to the paper transport direction of the guide body,
For example, if the paper is set on the slide recess after being separated from the guide body, or if the paper enters the slide recess widely, the paper cannot be moved from the slide recess in the paper transport direction without being caught. It is possible to reliably guide people to the guide surface.

[Brief explanation of the drawing]

FIG. 1 is a perspective view showing an embodiment of the paper guide device of the present invention, FIG.
4 is a perspective view showing another embodiment of the present invention, FIG. 5 is a sectional view thereof, FIG. 6 is a perspective view showing still another embodiment of the present invention, and FIG. 7 is a perspective view showing another embodiment of the present invention. Its sectional view, FIG. 8, is a perspective view of a conventional paper guide device. 13...Guide stand, 14...Guide surface, 15...Slide recess, 21a, 21b...Guide body, 26...Guide piece, 27...Guide part, P...Paper. Multi-A shellfish

Claims (3)

[Claims] (1) A guide stand having a guide surface that supports and guides the paper to be transferred, and a slide recess formed in the guide surface of this guide stand that protrudes higher than the guide surface and in a direction perpendicular to the paper transport direction. a guide body having a guide piece that is slidable on the guide surface and that regulates the position of the paper in a direction perpendicular to the transport direction of the paper being transferred on the guide surface, the guide body having a guide piece that regulates the position of the paper of the guide piece. A paper guide device characterized in that a guide portion is provided on a side portion facing an inner surface. (2) The paper guide device according to claim 1, wherein the guide portion of the guide body has a front side in the paper transport direction set lower than the guide surface and a rear side set higher than the guide surface. (3) The paper guide device according to claim 1 or 2, wherein the guide portion of the guide body is provided continuously in a direction perpendicular to the paper transport direction.