JP3329569B2 - Facsimile machine - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a miniaturized facsimile apparatus.

[0002]

2. Description of the Related Art In recent years, in response to a demand for downsizing of an apparatus, a reading roller and a recording roller are commonly used to form a single roller.
Have been proposed ones were.

Hereinafter, a conventional facsimile apparatus will be described with reference to the drawings. FIG. 9 is a sectional view showing a schematic configuration of a conventional facsimile machine.

Referring to FIG. 9, reference numeral 901 denotes a document table; 902, a feeding roller for feeding a document to a reading unit; 903, a contact image sensor; and 904, a roller sharing a reading roller and a recording roller. 9 05 is guided to a point reading a document guide plate, 906 discharge guide plate for guiding the document after reading the outlet 907 is a document discharge roller. 908 is a recording paper roll, 909 is a recording paper roll 90
Reference numeral 910 denotes a recording paper pressing spring that presses the recording paper 909 against the roller 904, reference numeral 911 denotes a thermal recording head, and reference numeral 912 denotes a recording head pressing spring that applies necessary pressure to the thermal recording head 911. It is. Note that B is a traveling path of the original, and C is a traveling path of the recording paper 909.

The operation of the above conventional example will be described below. At the time of the recording operation, the recording head pressing spring 912 moves the recording head 91.
1 by applying necessary pressure to the recording paper
1 and a roller 904 to perform a printing operation,
It is discharged with the rotation of the roller 904.

At the time of a reading operation, the original is fed by the feeding roller 902.
Is fed from the document table 901 to the guide plate 905. The document is conveyed by the rotation of the roller 904 and is read by the contact image sensor 903. After reading,
The document is guided by a discharge guide plate 906,
Is discharged by

[0007]

However, in such a conventional configuration, since the recording traveling path B and the document traveling path C are formed as separate paths, there is a limit to miniaturization of the apparatus. There was a problem.

That is, since the original or the recording paper travels on the traveling path, no other members can be arranged therebetween. Therefore, on the premise of the layout of the traveling path,
It is necessary to efficiently arrange other members to reduce the size. The degree of miniaturization of the device is also determined by the arrangement of the traveling path. If the recording traveling path B and the document traveling path C are formed as separate paths, the arrangement of other members such as another recording unit and reading unit is determined on the assumption that the two traveling paths are arranged. Therefore, miniaturization of the apparatus has been a great limitation. If this is a portable facsimile machine that can be carried by a user in hand, the restriction on miniaturization has become a very serious problem.

Further, if the recording traveling path B and the document traveling path C are formed as separate paths, the document insertion port, the recording paper insertion port, the document discharge port, and the recording paper discharge port are also provided in the apparatus housing. Since it is necessary to provide them separately on the side surface of the body, miniaturization is restricted by the provision of the four insertion / ejection ports.

The present invention solves the above-mentioned problems, and the first
Further, a facsimile apparatus capable of simplifying the mechanism of the apparatus and reducing the size of the entire apparatus is realized.

Secondly, if the document or the recording paper is jammed in the running path after the downsizing of the apparatus, the document or the recording paper can be easily removed without damaging it. A facsimile machine that can be realized.

A third object of the present invention is to realize a facsimile apparatus that can smoothly and immediately cope with a case where a document or a recording sheet is jammed on a traveling path.

[0013]

SUMMARY OF THE INVENTION In order to solve the above-mentioned problems, the present invention provides a document reading means, a recording paper recording means, and a document arranged in contact with the reading means and the recording means. A transport unit that transports the recording paper along the same path, a transmission unit that transmits the rotation of the motor to the transport unit, and a release shaft that is parallel to the rotation axis of the transport unit.
Contact between the reading means and the transport means by the release axis of
A release unit that simultaneously releases contact of the recording unit with the transport unit and transmission of rotation from the transmission unit to the transport unit.

[0014]

According to the present invention, since the traveling path of the recording paper and the traveling path of the original are the same, the arrangement of the other members can be designed on the premise of only one traveling path. Since the restriction on the configuration is significantly reduced, it is possible to realize a complete miniaturization of the device.

Further, when a paper jam occurs, the contact between the reading means and the transport means is released, the contact between the recording means and the transport means is released, and the connection between the transport means and the transmission means is released. This is unnecessary and can be performed simultaneously by one operation, so that the original or the recording paper can be easily removed without damaging it. Further, since the one operation is merely an operation of moving a lever provided on a side surface of the apparatus housing, it is possible to smoothly and immediately cope with a paper jam.

[0016]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the facsimile apparatus of the present invention will be described below with reference to the drawings.

FIG. 1 is a sectional view showing a schematic configuration of a facsimile apparatus according to an embodiment of the present invention. In FIG. 1, reference numeral 1 denotes a housing of the apparatus main body, which is constituted by a resin cover. A document or recording paper 3 is provided in the housing 1.
One insertion port 2 is provided for dual use. Reference numeral 4 denotes a roller for transporting the inserted document or recording paper 3 along the same path, and its periphery is formed of rubber. Reference numeral 5 denotes a heating element for printing the recording paper 3 inserted from the insertion slot 2, and a heat radiating plate 6 for releasing heat generated at the time of printing is attached to the back surface. The heating element 5 is pressed by a pressing spring 7 to
A pressure of 4 g is applied and urged to contact the roller 4. Reference numeral 8 denotes a mechanical frame on which the heating element 5 and the heat radiating plate 6 are arranged, and reinforces the force of the pressing spring 7 pressing the heating element 5 with strong pressure. That is, the pressing spring 7
Presses the heating element 5 and simultaneously presses the resin housing 1. When the resin housing is distorted by the pressing force of the pressing spring 7, the pressing force of the pressing spring 7 pressing the heating element 5 against the roller 4 is reduced. 1 is prevented, and the pressing force of the pressing spring 7 against the roller 4 is compensated. Reference numeral 9 denotes a release shaft, whose cross section is cut in the shape of the letter D and is rotatable. In addition,
One end 6a of the above-mentioned heat radiating plate 6 is inserted into the opening 8a of the mechanical frame 8, and is pushed up and fixed to the upper end of the opening 8a by the pressing spring 7. The other end 6b of the heat sink 6
Is pushed up by the pressing spring 7 to the position of the release shaft 9 and is fixed.

Reference numeral 10 denotes an image sensor for reading the original 3 inserted from the insertion opening 2, which is rotatable about a support shaft 11,
The roller 4 is urged by a pressing spring (not shown) with a pressing force of about 500 g against the A4 document. Reference numeral 12 denotes a discharge port for the document or the recording paper 3, which is provided on the same surface as the insertion port 2 of the housing 1. A is a travel path of the original and the recording paper.

Hereinafter, the operation of the facsimile apparatus of the present invention configured as described above will be described.

When the recording paper 3 is set in the insertion slot 2 during the recording operation, the recording paper 3 is conveyed by the rotation of the roller 4 and reaches the heating element 5. The recording paper 3 is rolled by a heating element 5.
4 , the printing operation of the received data stored in the image memory (not shown) is performed. Heating element 5 is 2-4
Since the recording paper is pressed against the roller 4 with a strong pressing force of g, the recording paper is conveyed around the roller 4 while reversing the running direction by obtaining a strong conveying force by this pressing force. Further, the recording paper passes through the image sensor 10 and is discharged from the discharge port 12.

When the reading operation is performed, when the original 3 is set in the insertion slot 2 as in the case of the recording paper, the roller 4 rotates and the original 3 is conveyed. When the original 3 reaches the pressing point of the heating element 5 against the roller 4 , the original also obtains a conveying force by the pressing force of the heating element 5 similarly to the recording paper. The reading point of the sensor 10 is reached. At the reading point, the reading operation is performed while receiving a pressing force of about 500 g by a pressing spring (not shown), and the read image data is stored in an image memory (not shown). Subsequently, the image sensor 10 applies a pressing force to the document, but the heating element 5
The document is gradually separated from the periphery of the roller 4 and heads toward the discharge port 12 because the pressing force is weaker than the pressing force.

The heating element 5 is provided on the upstream side of the traveling path A from the image sensor 10. This is because a strong conveying force is applied to the document or the recording paper as described above, so that the document can be directed to the discharge port 12 by reversing the running direction. That is, since the traveling path A has a U-shape, the traveling direction of the document or the recording paper 3 is reversed at any point to travel along the traveling path A. Need to turn to 12. In order to change the traveling direction of the document or the recording paper 3, it is necessary to give a strong conveying force. In the first place, since the heating element 5 presses the roller 4 with a stronger pressure than the image sensor 10, the heating element 5 can give a stronger conveying force to the document or the recording paper 3. Therefore, the heating element 5 is arranged on the upstream side of the traveling path A to apply a strong conveying force to the original or the recording paper 3 to change the traveling direction, and the original or the recording paper 3 is changed.
Is directed to the discharge port 12.

Next, a description will be given of how to deal with a case where a paper jam occurs during the reading operation or the printing operation of the document or the recording paper 3 with reference to FIGS.

FIG. 2 is an exploded perspective view showing a paper jam releasing mechanism of the facsimile apparatus according to one embodiment of the present invention.
2, first, the same members as those in FIG. 1 are denoted by the same reference numerals, and description thereof will be omitted. Reference numeral 13 denotes a motor for rotating the roller 4.
The rotation of 3 is transmitted to the roller 4. Reference numeral 15 denotes a roller gear that is attached to one end of the rotation shaft of the roller 4, meshes with the gear group 14, receives rotation of the motor 13, and rotates the roller 4. The roller gear 15 has a conical member integrally provided at the outer end. The roller gear 15 is configured to move in the direction of arrow A when the conical tip is pressed toward the roller 4. 16 is a return spring for returning the roller gear 1 5 which are pressed in the arrow A direction. Reference numeral 17 denotes a release lever attached to one end of the release shaft 9, and its knob 17 a is configured to be gripped from the side surface of the housing 1. The release lever 17 is
It rotates in the direction of arrow B with b as a fulcrum. Reference numeral 18 denotes a release arm attached to the release shaft 9, which is in contact with a reading side of a holding frame 19 that holds both ends of the image sensor 10. Reference numeral 20 denotes a pressing spring that urges the image sensor 10 toward the roller 4. The roller 4, the heating element 5, the release shaft 9, and the image sensor 10 are integrally mounted on the mechanical frame 8, respectively.

The operation of the facsimile apparatus having the paper jam clearing mechanism configured as described above when a paper jam occurs will be described.

In this embodiment, the heating element 5 is simply rotated by the knob 17a in the direction of arrow B.
The roller 4 and the gear group 1 are released simultaneously with the release of the contact between the roller 4 and the image sensor 10 and the roller 4.
4. The connection with No. 4 is released. Here, the release of the connection between the roller 4 and the heating element 5 and the image sensor 10 as well as the release of the connection with the gear group 14 is based on the release of the contact between the heating element 5 and the image sensor 10. This is because the paper jammed document or the recording paper 3 cannot be removed smoothly by using only the above. That is, when the rotation shaft of the motor 13 is stopped, the rotation of the gear group 14 is directly meshed with the rotation shaft, and the rotation of the gear group 14 is limited. The roller gear 15 directly meshing with the gear group 14 does not rotate unless the document or the recording paper 3 is pulled by force. Therefore, the roller 4 does not rotate either. In addition, since the periphery of the roller 4 is made of rubber, the original or the recording paper 3 receives the rubber friction of the roller 4 and cannot be pulled out smoothly. As described above, since the roller 4 does not rotate and the document or the recording paper 3 is subjected to the rubber friction of the roller 4, if the document or the recording paper 3 is pulled with a strong force, the document or the recording paper 3 may be broken. Therefore, the connection of the gear group 14 is released together with the release of the contact between the heating element 5 and the image sensor 10.

First, the release of the contact between the heating element 5 and the roller 4 will be described with reference to FIGS. FIG. 3 is a cross-sectional view showing a state where the heating element 5 is in contact with the roller 4, whereas FIG. 4 is a cross-sectional view showing a state where the contact between the heating element 5 and the roller 4 is released. .

Normally, as shown in FIG. 3, the heating element 5 is urged by a pressing spring 7 so as to contact the roller 4.
As described above, the heating element 5 is pressed by the pressing spring 7 for 2-4 times.
g of pressure is applied.

Here, in the present invention, since both the original and the recording paper 3 are conveyed along the same traveling path A, it is assumed that the original or the recording paper 3 has a paper jam. The user moves the knob 17a of the release lever 17 provided on the side surface of the housing 1 in the direction of arrow B in FIG. The release lever 17 rotates in the direction of arrow B with the shaft 17b as a fulcrum, and the release shaft 9 cut in the shape of D also rotates in the direction of arrow B as shown in FIG. One end 6b of the heat radiating plate 6 is pressed downward by the rotation of the release shaft 9, the heating element 5 rotates downward with the other end 6a of the heat radiating plate 6 as a fulcrum, and the heating element 5 is separated from the roller 4, The contact between the heating element 5 and the roller 4 is released. In this manner, one end 6a of the heat sink 6 on the side where the original or recording paper 3 is inserted is used as a fulcrum, and one end 6 of the heat sink 6 on the side where the original or recording paper 3 is discharged.
When b moves away from the roller 4, the contact between the heating element 5 and the roller 4 is released.

At this time, the heating element 5 is pressed by the pressing spring 7
Since a relatively strong pressure of ~ 4 g is applied, the release shaft 9 presses the one end 6b of the heat sink 6 over substantially the entire region between both ends and the center.

Next, the release of the contact between the image sensor 10 and the roller 4 will be described with reference to FIGS.
FIG. 5 is a cross-sectional view showing a state where the image sensor 10 is in contact with the roller 4, whereas FIG. 6 is a cross-sectional view showing a state where the contact between the image sensor 10 and the roller 4 is released. .

Normally, as shown in FIG.
0 is urged by the pressing spring 20 so as to contact the roller 4. As described above, a pressure of 500 g is applied to the image sensor 10 by the pressing spring 20.

Here, it is assumed that the document or the recording paper 3 has a paper jam. The user moves the knob 17a of the release lever 17 provided on the side surface of the housing 1 in the direction of arrow B in FIG. The release lever 17 is supported by a shaft 17b as a fulcrum in FIG.
As shown in FIG. 4, the release shaft 9 rotates in the direction of arrow B, and the release shaft 9 also rotates in the direction of arrow B as shown in FIG. A release arm 18 is attached to the release shaft 9, and the release arm 18 also rotates in the arrow B direction. The release arm 18 presses the holding frame 19 holding both ends of the image sensor 10 as shown in FIG. 6, and the image sensor 10 rotates in the direction of arrow C with the support shaft 11 as a fulcrum. Thereby, the image sensor 10
The contact between the roller and the roller 4 is released.

At this time, since the support shaft 11 is provided on the image sensor 10 on the side where the original or the recording paper 3 is inserted,
The image sensor 10 rotates so that the discharge side of the document or the recording paper 3 is widely opened. As described above, when the discharge side of the document or the recording paper 3 of the image sensor 10 is widely opened, the image sensor 10 and the roller 4 are opened.
When the contact with the heating element 5 is released, the heating element 5 is also released so that the discharge side is greatly opened.
Will be taken out more smoothly.

The image sensor 10 includes a pressing spring 2.
Since a relatively weak pressure of 500 g is applied by 0, it is sufficient to press the holding frame 19 holding both ends of the image sensor 10 by the release arm 18, and the image sensor 10 is separated from the roller 4.

As described above, when a paper jam of the document or the recording paper 3 occurs on the traveling path A, the release lever 1
7 by simply moving the knob 17a.
Further, the image sensor 10 is separated from the roller 4 to secure a path through which the document or the recording paper 3 can be pulled out. However, as described above, since the roller 4 does not rotate and, in addition, the rubber friction occurs between the roller 4 and the document or the recording paper 3, the path through which the document or the recording paper 3 can be pulled out becomes a traveling path. Even if it is secured in A, the original or the recording paper 3 cannot be taken out smoothly, and the original or the recording paper 3 may be damaged.

Therefore, in addition to releasing the contact between the roller 4 and the heating element 5 and the image sensor 10, the connection between the roller gear 15 and the gear group 14 is simultaneously released.

Next, the release of the connection between the roller gear 15 and the gear group 14 will be described with reference to FIGS. 7 and 8. FIG. FIG. 7 is a top view showing a state in which the roller gear 15 and the gear group 14 are connected, while FIG. 8 is a top view showing a state in which the connection between the roller gear 15 and the gear group 14 is released.

Normally, as shown in FIG. 7, the roller gear 15 meshes with one end of the gear group 14, receives rotation transmission from the rotation shaft of the motor 13 meshed with the other end of the gear group 14, and rotates the roller 4. ing.

Here, it is assumed that the document or the recording paper 3 has a paper jam, the driving of the motor 13 is stopped, and the rotation of the roller 4 is stopped. The user moves the knob 17a of the release lever 17 provided on the side surface of the housing 1 in the direction of arrow B in FIG. Releasing lever 17 is rotated in the arrow B direction a shaft 17b as a fulcrum, the release lever 17 pushes gradually the tangs of the roller gear 15, the entire roller gear 15 is moved in the direction of arrow A as shown in FIG. 2 and FIG. 8 .

When the release lever 17 moves, it moves while contacting the tip of the roller gear 15 having a small contact area, so that the release lever 17 moves smoothly. Thereby, the connection between the roller gear 15 and the gear group 14 is released as shown in FIG. Accordingly, the rotation of the roller gear 15 becomes free, and the roller 4 can freely rotate. As described above, the contact between the heating element 5 and the roller 4 is released, and the contact between the image sensor 10 and the roller 4 is released, so that a path through which the document or the recording paper 3 can be taken out is secured. Since the connection between the roller gear 15 and the gear group 14 is released and the roller 4 becomes rotatable, the document or the recording paper 3 having a paper jam is caused.
And can be easily removed without damaging it.

Document or recording paper 3 with paper jam
Is removed, the user operates the release lever 17 with the knob 1
By returning 7a in the direction opposite to the arrow B, the heating element 5 returns from the state of FIG. 4 to the state of FIG. 3 and contacts the roller 4, and the image sensor 10 returns to the state of FIG. Abut. Further, at the same time, the roller gear 1
5 is also returned to the state shown in FIG.

As described above, according to the present invention, when the document or the recording paper 3 becomes jammed in the traveling path, the roller 4 and the heating element 5 are brought into contact with each other by simply moving the knob 17a. Release and roller 4 and image sensor 1
0 and the connection between the roller gear 15 and the gear group 14 is also released to secure a path for taking out the original or the recording paper, and to make the roller 4 free to rotate. The document can be easily removed without damaging the original or the recording paper. In addition, since it is performed only by the operation of simply moving 17a, smooth and instantly,
It is possible to take out a document or a recording sheet having a paper jam.

[0044]

As is apparent from the above description, the present invention is a simple operation of simply moving the lever when a document or a recording sheet is jammed in the traveling path, and the operation of the conveying means and the recording means is not performed. Simultaneously canceling the contact and canceling the contact between the conveying means and the reading means, and simultaneously canceling the connection between the conveying means and the transmitting means, the document or the document can be released without performing the canceling operation separately. Since a path for taking out the recording paper can be ensured and the rotation of the conveying means can be set to a free state, the original or the recording paper can be easily removed without damaging it. Further, since the above three cancellations are performed simultaneously by simply moving the lever, it is possible to obtain an effect that it is possible to smoothly and promptly take out a document or a recording sheet having a paper jam.

[Brief description of the drawings]

FIG. 1 is a sectional view showing a schematic configuration of a facsimile apparatus according to an embodiment of the present invention.

FIG. 2 is an exploded perspective view showing a paper jam releasing mechanism of the facsimile apparatus according to one embodiment of the present invention.

FIG. 3 is a sectional view showing a state in which a heating element is in contact with a roller.

FIG. 4 is a cross-sectional view showing a state in which a contact between a heating element and a roller is released.

FIG. 5 is a cross-sectional view illustrating a state where the image sensor is in contact with a roller.

FIG. 6 is a cross-sectional view showing a state where the contact between the image sensor and the roller is released.

FIG. 7 is a top view showing a state where the roller gear and the gear group are connected;

FIG. 8 is a top view showing a state in which the connection between the roller gear and the gear group is released.

FIG. 9 is a sectional view of a conventional facsimile machine.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Housing 4 Roller 5 Heating element 9 Release axis 10 Image sensor

Claims (5)

(57) [Claims] An original reading means, a recording paper recording means, a conveying means disposed in contact with the reading means and the recording means, and conveying the original and the recording paper along the same path; A transmission means for transmitting the rotation of the motor; and a release shaft parallel to the rotation axis of the conveyance means.
Contact between the reading means and the transport means by the release axis of
A facsimile machine comprising: a release unit that simultaneously releases contact between the recording unit and the transport unit and transmission of rotation from the transmission unit to the transport unit. 2. The facsimile apparatus according to claim 1, wherein simultaneous release is performed by moving a lever integrally provided at one end of said release shaft . And a release unit that releases both ends of the reading unit from the release shaft when releasing the contact between the reading unit and the conveying unit .
Pressed in the direction away from the conveyance means by the released release arm
Released by, also when releasing the contact between the recording means and the conveying means, the release shaft over the entire recording means transporting means
2. The facsimile apparatus according to claim 1, wherein said facsimile apparatus is released by pressing in a direction away from said facsimile apparatus. 4. A releasing means, when canceling the transmission of rotation from the transmission means to the conveying means, the center of the rotating shaft member which is conically outer end provided at one end of the rotary shaft of the conveying means
2. The facsimile apparatus according to claim 1 , wherein the connection with the transmission means is released by pressing in a direction . 5. An original reading means and a recording paper recording means.
Is disposed in contact with the reading means and the recording means.
Conveyance means for conveying documents and recording paper along the same path
Transmission means for transmitting the rotation of the motor to the transport means
And a D-shape provided in parallel with the rotation axis of the conveying means.
Release shaft, the release arm attached to the release shaft
And a release lever at one end of the release shaft.
The reading axis is rotated by the movement of the
Press by arm to move away from transport means to release
At the same time, the rotated release axis has its D-shaped horizontal surface.
Press the recording means in the direction away from the transport means at one end of
And further provided at one end of the rotating shaft of the conveying means.
The lever with the conical outer end
Tsu and connected between the pressing to transmission means to the central direction of the rotary shaft
Facsimile machine comprising: a canceling means for canceling