JPS6036260A - Sheet storage tray - Google Patents

Abstract

PURPOSE:To prevent a sheet from being jammed, by securing a guide under the sheet discharge section of an imaging apparatus, supporting a movable guide in a pivotally turnable manner under the former guide, and turning the movable guide when a prescribed number of sheets are held. CONSTITUTION:A sheet storage tray 13, which is provided under the recording paper discharge section of a facsimile apparatus, comprises a movable guide 14, with which a discharged sheet 6 is brought into contact to direct the sheet downwards, and a secured guide 16 facing the former guide 14 to define a sheet storage space 15 of V-shaped cross section. The movable guide 14 is pivotally coupled at the bottom to that of the secured guide 16 by a pin 18 and normally kept in an operational position as shown in the drawing, by a means such as a plate spring 29. When at least a prescribed number of sheets 6 are put in the tray 13, the weight of the sheets releases the guide 14 from the keeping action of the plate spring 29 or the like to allow the guide 14 to turn outwards.

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a sheet material storage tray, and more specifically, the present invention relates to a sheet material storage tray, and more particularly, the present invention relates to a sheet material storage tray, which is provided near the bottom of the sheet ejection part of an image forming apparatus such as a facsimile machine or a copying machine, and is used to store sheet material ejected from the image forming apparatus. This relates to sheet material storage] and lei.

In recent years, image forming apparatuses such as facsimiles and copying machines have been particularly strongly required to be smaller and lighter. As a result, in the past, the tray for storing recording paper, manuscripts, and other sheet materials output from the image forming apparatus was not built into the machine body but protruded from the machine. It was Qy-like to downsize the machine itself. As a result, even if the main body of the machine is made smaller, the installation space during use becomes larger due to the protrusion of the tray section, and the disadvantage is that the actual size is not miniaturized. there were.

In addition, rolls of paper such as thermal recording paper used in facsimile machines have a tendency to curl tightly, making it difficult to store them in an orderly manner on a straight tray surface like in the past. Recently, there has been a trend to reduce the outer diameter of the paper while keeping the length the same, especially in response to the demand for downsizing of the main body of the machine. As paper curls become more noticeable, there is a strong desire to develop a paper storage method that can accommodate this.

In addition, when creating records of multiple original documents using such an image forming apparatus, when recording is performed from the first page of the original to mr+th page, the recorded sheets discharged from the apparatus will have an image surface of "2". Since the sheets are ejected sideways, the recorded sheets stored in the secondary tray are stacked with the first page facing down and the second and subsequent pages are stacked on top of it in order.
・The sheets stacked on the tray are in the reverse order of the original. For this purpose, conventionally, after the recording operation is completed, the recorded sheet is
It was necessary to perform an operation to rearrange the pages in order, that is, a page alignment operation, which was very time-consuming.

The unexploded town name is the name of the conventional image forming device (see above)
・The defects of the material storage L and Ray are divided by J and II,
A first kite system that abuts the tip of the ejection sheet and guides it downward, and a sheet storage system that faces this first kite. and the second guide portion of the container forming a gap (iii, in the lower part of the storage space, form a narrow II) closing portion that grips the tip of the sear sent downward. With.

For the first kite, we developed a sheet material storage l/lay with an open part at the upper end of the member that allows the rear end of a long type sheet to be reversed.

This sheet I/material storage tray is attached to the image forming apparatus main body in a form that does not protrude significantly outside the main body of the image forming apparatus, thus making it possible to downsize the entire apparatus.Moreover, even with highly curled sheet materials, it is possible to maintain the correct L < Although it is easy to take out and does not require page alignment after storage, it is limited to the sheet I/material storage space or between the first and second kite members.
! Therefore, if more sheet material is fed than the storage capacity, a paper jam may occur.

1-I of the present invention is a sheet material storage tray that has various advantages in the above-mentioned type of sheet material storage tray, and also prevents the occurrence of jamming, which is a disadvantage thereof, in advance!・Providing lei.

The sheet material storage (・ray) according to the present invention is characterized by a first guide member against which the tip of the tel-out sheet is brought into contact and guides it downward, and a sheet storage unit facing the first guide member. a second guide member for forming a space, wherein the first guide member is opposed to the second guide member] an operating position for forming a uni seat storage space; and the second guide member. The first guide 7 is movable between the non-operating position 1 and the non-operating position 1 and 1, and the first guide 7<li phase is always held at the operating position indicated by ``-'', and a predetermined number of sheet materials are placed in the above-mentioned storage space. A first guide member holding means is provided which releases the holding of the first kite member when stored and allows the unit to move to a non-operating position.

This will be explained below with reference to the drawings.

FIG. 1 shows an example of a conventional facsimile machine equipped with this type of sheet storage I-lay. The facsimile machine shown in the figure does not feed the original on the original platen 2, so the optical system 3
an image reading and transmitting system that reads information from a document and transmits image information; and a thermal spatula l'' 7 on thermal recording paper 61, which is fed out from the recording paper roll 4 and transported by the platen roller 5 according to the received image information. and an image receiving and recording system for recording images by tj.

8 is a power supply section including a power supply device and the like.

On the left side of the image forming apparatus main body 1, there is provided a document storage tray 10 for storing the documents 9 that are sequentially sent out from the document table 2. Also, on the right side of the apparatus main body 1, a thermal spatula I is provided.
A recording paper storage tray 12 is provided for storing the recorded recording paper which has been cut into the desired length, for example, A4 size, by the cutter 1 after the image has been recorded by the cutter 1.

In such conventional image forming apparatuses, (・ray l
O and 12 protrude from both sides of the device body 1, so
Even if the main body of the device is made smaller, what will happen? 'The actual installation space cannot be made very small because of the protrusion of the trays such as I7.

If these trays are installed together on one side of the device main body, the installation space can be reduced by one tray, but it is not possible to install these trays so that they are concentrated on one side of the device main body. 6. In this case, the drive systems for both the original document and the recording paper concentrate on one drive system, which worsens the space efficiency and space inside the main body of the device and complicates the drive system, which not only leads to a decrease in reliability but also increases the This could lead to an increase in costs.

In addition, in the case of the storage tray 12 for recording paper, as described in +ii+, the thermal recording paper that is cut into a predetermined length by the cutter 11 and moved to the north of the tray has a strong curl, so it is not straight. The problem is that it is difficult to store the originals in order and well on the tray surface.
There is a problem in that the pages of the recording sheets stacked or stacked on top of each other must be aligned or concave.

FIG. 2 shows a facsimile machine equipped with a sheet material storage tray 13 that improves the drawbacks of the sheet material storage tray shown in FIG. In FIG. 2, the same portion as 115 minutes shown in FIG.

The sheet material storage tray 13 is provided near the lower blade for outputting the recording paper υ1 of the facsimile machine ξ, and as shown in an enlarged view in FIG. It is composed of a first kite member 14 that leads downward, and a second kite member 16 that faces the first kite member and forms a sea I/storage space 15. In the illustrated embodiment, each guide member is shown as being plate-shaped, but these guide members do not necessarily have to be plate-shaped; In short, any part that can guide the recording paper to the storage space 15 is fine.The sheet material storage space 15 formed between the first guide member 14 and the second guide member 16
A narrow +1] closing portion 19 for gripping the rlt b::+f of the sheet material fed downward is formed at the do 1-°ζ1). (In the embodiment shown in FIG. 4, the sheet material storage space 15 is formed in a V shape, and a closed hole 19 is formed at the bottom of the space 15, but this does not necessarily have to be a V shape. .

Further, an opening portion 20 is formed in the two wheels of the first guide member 14 to allow the rear end of the long quiz sheet to be reversed when the sheet is stored.

That is, as shown in FIG. 4, when the first kite member 14 is closed, a loop-shaped record is formed between the top end of the first guide wing 14 and the -1 partial case 22 of the main body 1 and the guide 23. An opening 20 is formed which is 1 minute long for the paper 6 to be taken out by tJl.

Therefore, this storage!・Wedge-shaped storage of Ray 13:・
; Put the leading edge 6'' of the recording paper 6 into the space 15, hold this leading edge at the bottom of the storage space, and at the same time cut the rear end f) 11 of the recording paper 6 that is continuously fed out with the cutter II! When the IJ is cut, the rear end of the recording paper is turned out of the device by the action of the 7+1 force of the paper and the rotational force of the cutter blade, and the leading edge 6゛ of the recording paper 6 is held inside the machine. In this way, storage is completed with the rear end hanging down outside the machine, and the operation can be continued to store the next recording paper. A large number of cut recording sheets are inverted and stored, but this storage space 5 is limited between the first guide fjB material 148 and the second kite member 16. When the number of recording sheets accumulated in the space 15 exceeds its storage capacity, a jam may occur.

A jam like this happens! To prevent it before 11th,
The first kite member 14 is pivotally connected to the second kite member 16 by a pin 18 at its lower end, and is in an operating position (41y1) where it faces the second kite member 16 and forms a sheet material storage space 15. 1 line at the indicated position)mu, 2nd guide 8
1) It is movable between a non-operating position where one piece of material 16 is removed. However, the first guide member 14 is always held at the operating position shown in FIG. will be moved to. In the illustrated embodiment, the first guy I member 14 assumes a substantially horizontal position when in its inoperative position it is engaged with the stay 17 of the body 1 as shown in FIG. At this position, υ of recording paper 6
1 forming a guide portion.

Examples of means for holding the first guide member 14 in the operating position are shown in FIGS. 6, 7, and 8. Figure D'S6 shows a click mechanism that uses a leaf spring 29 to hold the first kite ijP and material 14 at the operating position 1δ. FIG. 7 shows a first magnet 31 which is attracted by magnetic force to a screw 30 fixing the second guide member 16 to the stay 17 of the main body.
What is attached to the kite member 14 is shown. fjSG diagram,
Both of the mechanisms shown in FIG. 7 always hold the negative shaft 1 guide member 14 in its operating position and allow it to be retracted. When the recording paper accumulated in the knee space 15 exceeds its storage capacity, the click mechanism is automatically released due to the weight of the recording paper.
The first chi I member 14 moves to the position j11 shown in FIG. Therefore, recording paper jams can be prevented in advance.

FIG. 8 shows an electromagnet 32 attached to the second guide member 16,
As a result, the first guide member 14 is attracted and the sheet is stored! : When a predetermined number of recording sheets are stored in the space 15,
A mechanism for releasing the first guide member 14 by energizing the magnet 32 is shown.
The phase storage operation will be explained with reference to FIGS. 9 to 13.

First, the thermal recording paper 6 unrolled from the roll 4 is heated according to the temperature at the thermal door, and image information is recorded on the surface of the recording paper 6.

Thereafter, as shown in FIG. 9, the recording paper 6 is conveyed by the rotation of the platen roller 5, passes through a canter 1, and its tip is connected to a first kite forming a wedge-shaped or V-shaped storage space 15. It abuts the member 14 at an obtuse angle. that time,
As shown in FIG. 10, multiple ribs 25 are provided on the inner wall surface of the first nod member 14 to reduce the contact resistance with the leading edge of the recording paper and to smoothly store the leading edge of the recording paper into the storage tray 1/1. I1
3 into the storage space 15.

At that time, the leading edge of the recording paper 6 is retracted by 6 degrees due to the sagging effect.
It becomes stuck in the blockage at the bottom of the gap. When the recording paper is fed out continuously in this state, the recording paper 6 forms a loop from the opening 20 as shown in the +J'Sl 1 figure, and this forms a loop between the upper surface of the guide 23 and the end surface of the -1 part of the case 22. As a result, 4th and 1st were ejected from the aircraft, and finally, the 12th
As shown in the figure, it will curl up and hang down outside the machine body.

In this state, when the cutter 11 operates and cuts off the rear end of the recording paper 6, the recording direction (that was hanging outside the machine) is reversed in the direction of the arrow using its own weight and the rotational force of the cutter blade. ,
It will be in the state shown in Figure 13, with the tip 6' being held in the wedge-shaped closing part of the storage space and the rear end hanging down outside the machine.
This repeated movement of the recording paper 6 causes the recording paper sheets to accumulate in the tray 13.

When the number of accumulated recording sheets exceeds the storage capacity of the tray, the first guide member 14 that forms the wedge-shaped old sheet storage space 1111 is moved to the operating position 1 meter.
The first guide member 14 is automatically removed every r1 by the guide section old holding means, the recording paper 6, or by the force of the electromagnet, and the first guide member 14 is inactivated. i, +k■Be hyperactive and cause a jam (paper jam) in the machine +lS 1iii to vj+
I-I do.

As is clear from the above explanation, according to the unreleased 1st 1, the tip of the sheet material is 11y, 1. ．． l II +: : Insert the rear end into the closed part of a+ and remove it from the machine body by pulling the rear end out of the machine.
The installation space of the machine can be bravely reduced without having to travel to the site, and the 4Jζjf, + this! The effect of being able to make one rod, and also the ability to make multiple sheets 4
Ti' for A? Arrange the pages in order with the lμ side facing up and place them in the tray! Handling of sheet materials that can be made u+ and simply improve the installation space 1. ) and other operability m
It has the effect of 1/) when a large amount of crying is achieved even with J, and in addition, it can be inserted into the tray immediately after passing through the force and 2 tars.It is clever and does not require a single paper roller, making it easy to use with X1. The tray can hold the leading edge of the ejected sheet, which can be expected to significantly reduce costs and improve reliability.Without impairing the original function of the tray, the number of sheet materials F larger than the storage capacity of the tray can be stored. If the I-Ray enters the machine, the I-Ray will be automatically opened to prevent the Sea I-Ray from jamming inside the machine.
This has the effect of making it possible to prevent this.

[Brief explanation of the drawing]

FIG. 1 is a schematic diagram of a conventional facsimile; fS21A is a schematic diagram of a facsimile equipped with a tray according to the present invention;
Figure Q'53 is a side view of the tray according to the present invention shown in Figure 2, Figure 4 is a side view showing the formation of a recording paper loop in the tray shown in Figure 3, and Figure 51 is a side view of the tray shown in Figure 3. The first guide member of the tray shown in FIG. keep in operating position 11
FIGS. 9 to 13 are explanatory diagrams showing a series of movements of paper in the paper storage section according to the present invention. 1...Facsimile machine main body 2...Document stand 3...Optical system 4...Recording paper roll 5...Platen roller 6...
・Recording paper 6°...Recording paper leading edge 7...Thermal head 8...Electronic alj section 9...Original 10...Original tray 11...Cutter 12...Recording paper tray 13 ...Sheet material storage according to the present invention 1.l/-
(14...first kite member 15...sheet material storage space 16...second kite member 17...stay 18...
・Pin 19... Closed part 20... Open part 22... Part case 23... Guide 25... Riwo 26... Leaf spring 29... Leaf spring 30... Screw 31. ...Magne 71/32...Electromagnet Year 311 No. 41.・1? i′ko: 5 figure

Claims (1)

[Claims] The sheet material storage tray is provided near the bottom of the sheet output of the image forming apparatus, and includes a first guide member (+' member) and a first guide member against which the leading edge of the discharged sheet is brought into contact and guides it downward. a second guide member that faces the kite member and forms a sorting storage space; 1δ and 1 from the second guide member above.
qL is movable between the non-operating position and the non-operating position, and the 11+i guide member is always held in the operating position of the unit, and a predetermined number of sheet materials are stored in the storage space.
A sorting material storage I/ray characterized in that a first kite member holding means is provided for releasing the holding of the first kite member and allowing the first kite member to move to the above-mentioned non-operating position.