JPH0466426B2 - - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION Field of the Invention The present invention relates to a paper discharge device for discharging original documents and recording paper of a facsimile machine onto a predetermined tray.

BACKGROUND ART FIG. 7 shows an example of a facsimile device having a document reading function and a recording paper writing function. The document 2 placed on the document table 1 passes through the separation conveyance roller 3 and then passes between the conveyance roller 4 and the ejection roller 5, and then passes through the reading device 9, which includes a mirror 6, a lens 7, and a reading element 8. The document is read by the scanner and discharged onto the document tray 10. On the other hand, the recording paper 12 pulled out from the recording paper roll 11 is transferred to the thermal head 13 and the opposing roller 1.
After the received information is recorded by the writing device 15 including 4, and cut into a predetermined size by the cutter 16, the received information is transferred to the recording paper tray 18 by the ejection roller 17.
It is discharged to the top.

Problems to be Solved by the Invention In such conventional facsimile apparatuses, the document ejection mechanism and the recording paper ejection mechanism are independent, and in most cases, the document ejection mechanism and the recording paper ejection mechanism are separate. A separate tray was also provided. Therefore, in such a facsimile device, the tray protrudes outside the main body of the device, requiring a large installation space or limiting the installation location.

This kind of problem can be solved by installing a tray inside the device main body, but if the conventional ejection mechanism is used as is, the device main body will become larger and maintenance will be required when paper jams occur in the ejecting section. A new problem of complexity had arisen.

SUMMARY OF THE INVENTION An object of the present invention is to provide an improved paper ejecting device for a facsimile machine, which can reduce the size of the main body of the device.

Another object of the present invention is to provide the above-mentioned paper ejecting device that can reliably eject original documents and recording paper onto a tray.

Still another object of the present invention is to provide the above-mentioned paper ejecting device which is easy to maintain when paper jams occur in the ejecting section.

Means for Solving the Problems In order to achieve the above object, the paper discharging device according to the present invention includes a first guide for inverting the document that has been read by the document reading device toward a tray provided inside the main body of the device. a document discharge roller that discharges the document reversed by the first guide plate onto the tray; and a second guide plate that reverses the recording paper recorded by the writing device toward the tray. A recording paper ejection roller that ejects the recording paper reversed by the second guide plate onto the tray, a leading end interposed between the document ejecting roller and the recording paper ejecting roller, and a rear end The platen is rotatably held at one end, and the other end is provided with a spring, which rotates around the center and presses the platen upward. The rollers are pressed against the platen by the arm.

Further, in one embodiment of the present invention, the pressure contact between the document ejection roller and the recording paper ejection roller and the platen is released, and the cover member provided in contact with the spring of the arm is released from the apparatus main body. This is linked to the actions that occur.

Operation The original document that has been read and the recording paper that has been written on are reversed in their transport direction to the inside of the main body of the apparatus by their respective guide plates, and then transported by the ejection rollers located above and below the tip of the platen. It is ejected onto a common tray inside the main body of the device.

If a paper jam occurs in the output section, by opening the cover that can be opened and closed on the side of the output roller, the pressure of the output roller against the platen will be released, allowing you to remove the jammed document or recording paper. make it easier.

Embodiment In an embodiment of the present invention shown in FIG. 1, the base end of the document table 21 is connected to one end of the separation plate 22 by a hinge 23 so as to be able to rotate upward. The separation plate 22 is in contact with the lower part of the separation roller 24, and separates the originals 25 stacked on the original platen 21 one by one from the uppermost original, and reads the originals by the original reading head 26 and the opposing roller 27. to device 28. The original 25 that has been read is ejected by a paper ejecting device 29 according to the present invention onto a tray 30 disposed inside the apparatus main body 20 below the original platen 21. On the other hand, recording paper roll 3
The recording paper 32 pulled out from the recording head 3
3 and an opposing roller 34.
5 records the received information, and after cutting the sheet into a predetermined size using a cutter 36, the sheet is discharged onto a tray 30 from a conveyance roller 37 through the same sheet discharge device 29.

Next, details of the discharge device 29 will be explained. The paper ejecting device 29 has a first guide plate 38 for reversing the original 25 that has been read in the direction of a tray 30 provided inside the main body of the apparatus, and a first guide plate 38 for reversing the original 25 that has been read in the direction of a tray 30 provided inside the main body of the apparatus, and a first guide plate 38 for reversing the original 25 that has been read in the direction of the tray 30 and also for reversing the recording paper 32 that has been written on it in the direction of the tray 30. a second guide plate 39 for reversing the
A platen 40 is disposed in the reversing direction close to the tips of the guide plates 38 and 39, and a document ejection roller 41 and a recording paper ejection roller 42 are placed close to the top and bottom surfaces of the tip of the platen 40, respectively. , a pressing means 43 for pressurizing the recording paper ejection roller 42 upward to bring the ejection rollers 41 and 42 into pressure contact with the platen 40; and a tray 3.
Consists of 0.

The base of the platen 40 is rotatably connected to the main body of the apparatus by a shaft 44, and as shown in FIG. Discharge rollers 41, 42
are coming into contact with each other. and platen 4
A guide roller 45 fixed to the rotating shaft 42a of the recording paper discharge roller 42 is closely opposed to the lower side of both ends of the recording paper discharge roller 42, and this guide roller 45 has a slightly larger diameter than the roller 42. Instead of the guide roller 45, a guide plate having a shape that substantially follows the shape of the platen 40 except for the portion of the discharge roller 42 may be arranged close to and opposite the platen 40.

A rotating shaft 41a of the document discharge roller 41 is rotatably supported by both side plates 46 of the apparatus main body, and a gear 47 is fixed to a portion extending from one side of the rotating shaft 41a.
This gear 47 receives power transmitted from the document conveyance drive system. Rotating shaft 42a of recording paper ejection roller 42
are movably supported with respect to both side plates 46, and portions extending from these both side plates 46 are rotatably supported by the distal ends of arms 48. A gear 49 is fixed to a portion of the shaft 42a that further extends from the arm 48. This gear 49 meshes with a gear 51 rotatably supported by a shaft 50 on the side plate 46, and this gear 51 receives power transmitted from the recording paper conveyance drive system.

The arm 48 is rotatably supported at its intermediate portion by a shaft 50 that supports a gear 51, and has a leaf spring 5, which is an elastic member, at its rear end, as shown in FIG.
2 is fixed to constitute a pressing means 43.
This leaf spring 52 can come into contact with both ends 54a of a cover member 54 which is provided to be openable and closable with respect to the apparatus body 20 by a shaft 53, and is normally in an open state as shown in FIG. As shown in FIG. 1, when the cover member 54 is closed against the apparatus main body 20, it is pressed by the side end 54a of the cover member 54,
The arm 48 is adapted to pivot upwardly about an axis 50.

Next, the operation of this paper ejecting device will be explained.
When the cover member 54 is closed, the leaf spring 52 is pressed by the side end 54a of the cover member 54, and the arm 48 is pressed against the shaft 5.
0 in the counterclockwise direction to press the recording paper ejection roller 42 against the lower surface of the platen 40 , and the platen 40 rotates upward so that its upper surface presses against the document ejection roller 41 . platen 40
The coefficient of friction between the original 25 and the recording paper 32 is
Original discharge roller 41 and recording paper discharge roller 42
is smaller than the coefficient of friction between the original 25 and the recording paper 32. Therefore, the original 25 that has been read and the recording paper 32 that has been written are conveyed by discharge rollers 41 and 42, respectively, and are discharged onto the tray 30. At this time, the original 25 and the recording paper 32 are bent along the shape of the platen 40, and are reliably discharged onto the tray 30 with their bends. Documents 2 stacked on tray 30
5 and the recording paper 32 can be taken out from the tray 30 by rotating the document table 21 upward.

In a facsimile machine, reading the original and writing on the recording paper are not performed at the same time, so the original 25 and the recording paper 3 are placed on the tray 30.
2 will never mix. Of course, tray 30
If the original 25 and the recording paper 32 are accumulated on the top for a long time, the original 25 and the recording paper 32 will overlap each other for each transmitted or received part.

If the original 25 or the recording paper 32 becomes jammed in the paper ejecting device, the cover member 54 is opened. As a result, as shown in FIG. 3, the pressing force applied to the leaf spring 52 by the cover member 54 is released, so that the arm 48 rotates clockwise and presses the discharge rollers 41, 42 and the platen 40. The paper jam is cleared, and the paper jammed document 25 or recording paper 32 can be easily taken out of the apparatus. At this time, if the guide plates 38 and 39 are placed on the cover member 54 side, the guide plates 38 and 39
does not get in the way when removing the original 25.

In another embodiment of the present invention shown in FIG. A recording paper ejection roller 42 rotatably attached to the section is pressed upward. On the other hand, the cover member 540
The side end 541 of the cover member 540 is connected to the shaft 530.
The position and shape of the arm 480 are determined so that the rear end 481 of the arm 480 is pressed upward when the arm 480 rotates around the open position indicated by the chain line. Therefore, when the cover member 540 assumes the closed position shown by the solid line, the arm 480
20 in a counterclockwise direction around a shaft 50, and presses and urges the discharging roller 42 at its tip upward. As a result, both the rollers 42 and 41 are brought into pressure contact with the platen 40, and the original 25 or the recording paper 32 is pressed against the platen 40.
is discharged onto the tray 30. If the original 25 or the recording paper 32 is jammed at this ejection section, the cover member 540 is set to the open position shown by the chain line, and the side end 541 of the cover member 540 pushes up the rear end 481 of the arm 480 and both rollers 41 , 42 and the platen 40, and remove the jammed original 25 or recording paper 32 from the cover member 54.
Take it out from the opening of 0.

In the above embodiment, the recording paper ejection roller 4
2 through gears 51 and 49, the arm 48 on which the discharge roller 42 is supported
Or, since the roller 480 is rotatable around the shaft 50, part of the rotational driving force is decomposed into a force that presses the discharge roller 42 upward, and the force that presses the platen 40 upward becomes too strong. There is. Therefore, in such a case, as shown in FIGS. 5 and 6, a leaf spring 55 is fixed to the lower surface of the base end of the platen 40 to reduce part of the force that presses the discharge roller 42 upward. It is preferable that this leaf spring 55 absorbs the portion of the air.

Effects of the Invention As described above, the paper ejecting device of the facsimile apparatus according to the present invention has the front end of the platen interposed between the original ejecting roller and the recording paper ejecting roller, and the document that has been read and the record that has been written are Since the paper is discharged onto one tray placed inside the apparatus main body, the apparatus main body can be downsized. Furthermore, if the platen is curved downward at the center of the platen, and guide means are provided below both ends of the platen, the original or recording paper can be reliably ejected by using its elasticity. I can do it. Furthermore, as the cover member is released from the main body of the apparatus, the document ejection roller and the recording paper ejection roller are released from pressure contact with the platen. It is easy to take out the
Improved maintainability.

[Brief explanation of the drawing]

FIG. 1 is a schematic configuration diagram of a facsimile device equipped with an embodiment of the present invention, FIG. 2 is a schematic side view of the embodiment of the present invention, and FIG. 3 is a schematic diagram of the facsimile device shown in FIG. 1. FIG. 4 is a schematic front view showing another embodiment of the present invention; FIG. 5 is a schematic front view of main parts in yet another embodiment of the invention; FIG. 6 is a schematic side view of FIG. 5, and FIG. 7 is a schematic configuration diagram of a conventional facsimile device. 21... Original table, 25... Original, 29... Paper ejection device, 30... Tray, 32... Recording paper, 38...
...First guide plate, 39...Second guide plate, 40...
...Platen, 41...Document discharge roller, 42...
Recording paper discharge roller, 43... Pressing means, 45...
Guide roller, 48...arm, 52...plate spring, 54...cover member.

Claims (1)

[Scope of Claims] 1. A first guide plate for inverting a document that has been read by a document reading device toward a tray provided inside the main body of the device; A document discharge roller that discharges the document onto the tray, a second guide plate that reverses the recording paper recorded by the writing device toward the tray, and a second guide plate that transports the reversed recording paper onto the tray. a recording paper ejection roller that ejects the recording paper upward; a platen whose leading end is interposed between the document ejection roller and the recording paper ejection roller and is rotatable about its rear end; an arm that rotatably holds a paper ejection roller, has an elastic member at the other end, and rotates about a fulcrum to press and urge the platen upward and release the pressure from the platen; A paper ejecting device for a facsimile machine, comprising: the arm pressing both the rollers against the platen. 2. Claim 1, wherein the platen is curved downward at the center of the platen relative to both side edges thereof, and is provided with guide means for receiving the lower surfaces of both side edges of the recording paper in close proximity to the lower side of the both side edges of the platen. Paper ejection device of the facsimile machine described. 3. A paper ejecting device for a facsimile apparatus according to claim 2, wherein the guide means is a roller. 4. A patent claim in which the operation of releasing the pressure contact between the document ejection roller and the recording paper ejection roller and the platen is linked with the operation of releasing the cover member provided in contact with the spring of the arm from the apparatus main body. A paper ejecting device for a facsimile machine according to item 1 or 2. 5. A paper ejection device for a facsimile apparatus according to claim 1 or 2, wherein the spring is a leaf spring. 6. A paper ejecting device for a facsimile apparatus according to claim 1 or 2, wherein the arm side is provided with a leaf spring that is fixed to the rear end of the platen and extends to the front end of the platen.