JPH09194108A - Mounting tray for image-forming device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To assemble and use upon necessity by a user in using an image- forming device. SOLUTION: A mounting tray 10 consists of cardboard and has a shape formed by dividing a tube having an elliptical shape in its cross section into four equal parts, and consists of a curved plate 11 having an elliptical arc shape in its cross section and for guiding paper discharged from the delivery port of a printer, right and left side plates 12, 13, and a back plate 14. A material made of paper and indicating the development of the mounting tray 10 is inserted in an operation manual for the printer. Cutting the development by an user simply assembles the mounting tray 10.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a paper ejection curl prevention apparatus which is used by being set in a paper ejection opening (paper ejection tray portion) of an image forming apparatus using cut paper or roll paper made of plain paper, thermal paper or the like. The present invention relates to a loading tray.

[0002]

2. Description of the Related Art A member for accurately collecting a sheet discharged from a sheet discharge port of an image forming apparatus such as a copying machine, a printer or a facsimile machine without causing a problem such as curling. Is equipped with a loading tray.

A conventional example of a loading tray for absorbing the curl generated on the entire sheet is disclosed in Japanese Patent Laid-Open No. 192663. This loading tray is configured so that there is a height difference in the stacking direction of the sheets, and at the base end thereof,
By forming a connecting portion on the main body of the image forming apparatus that can be switched between front and back, the number of sheets that can be accommodated on the sheet ejection stacker is increased and the buckling of sheets is prevented.

[0004]

The mounting tray described in the above publication is configured to be mounted on the main body of the image forming apparatus. However, whether the paper is curled or not is determined by the thickness of the paper and the like, so a tray for absorbing the curl is not always necessary.

Although the mounting tray of the above publication is constructed by bending a metal rod, it is not necessary for a user who uses a paper sheet that does not curl. In this case, the tray storage is required. There was a problem that it wasted space for use.

[0006] The present invention has been made in view of the above points,
The purpose is to provide a mounting tray that can be assembled and used by the user as needed when using the image forming apparatus, thereby eliminating the inconvenience that the user who does not need the tray uses a wasteful space. Especially.

[0007]

According to another aspect of the present invention, there is provided a mounting tray which is used by being set in a sheet discharge port of an image forming apparatus. It has a function of preventing paper from curling and causing stacking defects, and is characterized by being user-assembled and usable as needed.

The loading tray according to claim 1 is in the form of a sheet (paper, resin, film, etc.) before assembly.
It is assembled and used only by users who need it.

A loading tray according to a second aspect of the present invention is a loading tray that is used by being set at a paper exit of an image forming apparatus, and prevents paper from curling on the exit tray to cause stacking failure. It has a function and is made of paper that can be assembled by the user, and the paper material before assembling is folded in the operation manual of the image forming apparatus.

The loading tray according to claim 2 can be folded into an operation manual by being made of paper, and only a user who needs curl prevention can assemble and use the loading tray. The number of parts can be reduced.

According to the third aspect of the present invention, in the loading tray used by being set at the paper exit of the image forming apparatus, it is possible to prevent the sheets from curling on the paper ejection tray to cause stacking failure. It is characterized in that it has a function and is made of paper that can be assembled by the user, and that the pattern of the developed view before assembly is stored in the internal ROM of the image forming apparatus.

According to the third aspect of the invention, only the user who needs curl prevention can obtain the loading tray by operating the operation panel of the image forming apparatus.

According to a fourth aspect of the present invention, in the loading tray set at the paper exit of the image forming apparatus and used, it is possible to prevent the sheets from curling on the paper ejection tray to cause stacking failure. It has a function, is made of paper that can be assembled by the user, and the pattern of the developed view before assembling is written on the packing material of the image forming apparatus or the packing material of its accessory parts.

According to the structure of claim 4, the loading tray can be manufactured from the packing material, and the cost of the loading tray can be reduced.

[0015]

Embodiments of the present invention will be described below with reference to the drawings. Embodiment 1 FIG. 1 is a perspective view of a mounting tray, FIG. 2 is a schematic sectional view showing a state where the mounting tray is used in a printer, and FIG. 3 is a sectional view showing an operation of the mounting tray.

The loading tray 10 is made of a sheet-shaped material, for example, cardboard, and has a shape obtained by dividing a cylinder having an elliptical cross section into four equal parts, and guides the paper discharged from the paper discharge port of the image forming apparatus. For this purpose, the curved plate 11 having an elliptic arc cross section, left and right side plates 12 and 13, and a back plate 14 are provided. The development view of the loading tray 10 is as shown in FIG. 5, and its assembling method and the like will be described later.

Although the loading tray 10 does not have a bottom plate, it may be provided. Further, so-called magic fasteners may be provided on the paper discharge tray 60 of FIG. 2 and the magic fasteners may be attached to the bottom plate of the loading tray 10. In this case, when the loading tray 10 is lightweight, it is possible to reliably prevent the loading tray 10 from moving due to the contact of the discharged sheets.

The flow of the paper P from the paper feed cassette 51 and the action of the loading tray 10 when the loading tray 10 is placed on the paper ejection tray 60 of the printer 50 shown in FIG. This will be described with reference to FIG.

In FIG. 2, a thick solid line with an arrow indicates the conveyance path of the paper P. A command is issued from a control unit (not shown), and the paper feed roller 52 rotates,
The uppermost paper in the paper feed cassette 51 is conveyed to the registration roller pair 53 on the downstream side. The paper P is sent to the nip portion between the transfer roller 55 and the photoconductor 54 at a timing synchronized with the image on the photoconductor 54. The sheet P on which an image has been obtained from the photoconductor 54 by the transfer roller 55 is further conveyed to the fixing unit 56, passes between the fixing roller 57 having a built-in heater and the pressure roller 58 which is in pressure contact with the fixing roller 57, and during this time. Is heated and pressed to fix the toner image.

The paper P on which the image has been formed is discharged by the paper discharge roller pair 59.
The tray 1 from the paper exit with the image side facing down.
The sheet is discharged and placed on the sheet discharge tray 60 via 0. In this case, the paper P passing through the paper discharge roller pair 59 is
Although the curling is attempted, curling is prevented because the loading tray 10 guides the curl as indicated by the thick solid line with an arrow in FIG.

When the printer 50 of FIG. 2 is not provided with the loading tray 10, and the paper P is a paper that is very easy to curl such as tracing paper (paper for the second original drawing), it is shown in FIG. Immediately after passing through the paper discharge roller pair 59, the paper P starts to form a curl 61, curls up on the paper discharge tray 60, and if many sheets continue, they fall behind the printer 50. Mounting tray 10 of the present invention
According to this, such a problem can be reliably prevented.

For a user who does not use curl-prone paper, the loading tray 10 becomes an obstacle, and a space for storing the loading tray 10 is required. In order to eliminate such inconvenience, the present invention is constructed so that the loading tray 10 can be assembled and used as needed.

Embodiment 2 This loading tray is made of paper that can be assembled by the user, and the paper material before assembling is folded in the operation manual of the printer. FIG.
FIG. 5A is a perspective view showing the operation manual 21, and FIG.
Is a paper material (thick paper) 22 showing the development view of the loading tray 10.
FIG.

The paper material 22 is folded in the operation manual 21. In the development view of the loading tray 10, a thick solid line is a contour line 23, and a cut line (not shown) is provided at an appropriate position thereof. The thin solid line is the fold line 24, and 25 is the margin. A score line (not shown) is also provided at an appropriate position on the contour line of the margin 25. The tongue piece 26 serves as the curved plate 11 in the loading tray 10 of FIG. 1, and the side plate 27 forms the back plate 14.

When the user prints using a paper that is very easily curled, such as tracing paper, the loading tray 10 can be easily assembled by cutting through the development view along the score lines.

Embodiment 3 This loading tray is characterized in that it is made of paper that can be assembled by the user, and the pattern of the developed view before assembly is stored in the internal ROM of the printer. That is, for example, when the user operates an operation panel (not shown) of the printer 50 of FIG. 2, a development view of the loading tray as shown in FIG. 5B is printed out as a part of a normal print pattern. It is configured to be able to. As the print paper, 135K paper (continuous amount) considering durability as it is used as a material for the loading tray.
[157 g / m ² (metric basis weight)] or a strength close to this is preferably used.

Embodiment 4 FIG. 6 shows a packing box 31 on which a development view of the loading tray 10 is printed.
FIG. That is, this loading tray 10
Is characterized in that it is made of paper that can be assembled by the user, and the pattern of the development view before assembly is printed on the packaging box 31 of the image forming apparatus or the packaging material of its accessory parts. When the user prints using a paper that is very easy to curl such as tracing paper, the loading tray 10 can be easily assembled by cutting through the development view.

[0028]

As is apparent from the above description, according to the present invention, the following remarkable operational effects can be obtained.

(1) Operation and effect of the loading tray according to the first aspect: The loading tray for preventing the sheet from curling on the discharge tray to cause stacking failure can be assembled by the user. Therefore, only a user who needs curl prevention needs to assemble and use the mounting tray, and a user who does not need the mounting tray does not need a waste space for storing the tray.

(2) Since the paper material for making the loading tray is folded in the operation manual of the image forming apparatus, only the user who needs curl prevention needs to assemble the loading tray, and the user who does not need the loading tray. In addition to eliminating the need for a waste space for storing the tray, the number of tray components can be reduced.

(3) Since the loading tray is made of paper that can be assembled by the user, and the pattern of the developed view before assembly is stored in the internal ROM of the image forming apparatus, only the user who needs curl prevention By operating the operation panel, the paper material for making the loading tray can be easily obtained. Further, if the loading tray is damaged or lost, the loading tray pattern is stored in the ROM, so that the loading tray can be printed out any number of times to recreate the loading tray.

(4) Since the mounting tray is made of paper that can be assembled by the user, and the pattern of the development view before assembly is written on the packing material of the image forming apparatus or the packing material of its accessory parts, By manufacturing the loading tray from these packaging materials, the loading tray can be easily down-counted.

[Brief description of the drawings]

FIG. 1 is a perspective view showing a mounting tray according to an embodiment of the present invention.

FIG. 2 is a schematic cross-sectional view showing a state where the mounting tray of FIG. 1 is used in a printer.

FIG. 3 is a cross-sectional view showing the operation of the loading tray of FIG.

FIG. 4 is a cross-sectional view illustrating a problem when the loading tray is not used in the printer of FIG.

5A and 5B relate to another embodiment. FIG. 5A is a perspective view showing an operation manual of the printer, and FIG. 5B is a paper material showing a development view of the loading tray folded in the operation manual. It is a top view shown.

FIG. 6 is a perspective view showing a packing box in which a development view of a mounting tray is shown according to still another embodiment.

[Explanation of symbols]

 10 Loading Tray 11 Curved Plate 12, 13 Side Plate 14 Back Plate 21 Operation Manual 22 Paper Material (Thick Paper) 23 Contour Line 24 Folding Line 25 Glue 26 Tongue 27 Side Plate 31 Packing Box 59 Ejection Roller Pair 60 Ejection Tray 61 Curl P paper

──────────────────────────────────────────────────続 き Continuation of the front page (51) Int.Cl. ⁶ Identification number Office reference number FI Technical display location G03G 15/00 530 G03G 15/00 530

Claims (4)

[Claims] 1. A loading tray, which is used by being set in a paper exit of an image forming apparatus, is made of a sheet-shaped material,
A function of preventing paper from curling and stacking defects on the discharge tray, allowing the user to assemble and use the image forming apparatus when required. tray. 2. A stacking tray that is used by being set in a sheet discharge port of an image forming apparatus, has a function of preventing paper from curling and stacking defects on the sheet discharge tray, and can be assembled by a user. A mounting tray of an image forming apparatus, which is made of a simple paper and in which a paper material before being assembled is folded into an operation manual of the image forming apparatus. 3. A loading tray that is used by being set in a paper exit of an image forming apparatus, has a function of preventing paper from curling and stacking defects on the paper exit tray, and can be assembled by a user. A mounting tray of an image forming apparatus, which is made of a simple paper and in which a pattern of a developed view before assembly is stored in an internal ROM of the image forming apparatus. 4. A loading tray, which is used by being set in a paper exit of an image forming apparatus, has a function of preventing curling of paper on the exit tray to cause stacking failure, and can be assembled by a user. A mounting tray of an image forming apparatus, which is made of a simple paper and in which a pattern of a developed view before assembling is described in a packing material of the image forming apparatus or a packing material of its accessory parts.