JPH09212064A - Image forming device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To accomplish the safety of a moving operator and to prevent the breakage of an image forming device in the case a vertical carrying release cover is suddenly opened/closed at carrying the image forming device. SOLUTION: The device main body 1 is provided with a handle 5 equipped with a grip part 6 at one end and an open-cut part 7 at the other end. A hinge 8 is projectingly installed on the vertical carrying release cover 3, and the hinge 8 is pivotally supported on the device main body 1 by a rotary fulcrum 9. On the hinge 8, a bent part 10 is formed on a part opposite to the main body of the vertical carrying cover 3 across the rotary fulcrum 9. When the handle 5 is pulled out, the open-cut part 7 of the handle 5 abuts on the bent part 10 of the hinge 8, so that the hinge 8 is not rotated around the rotary fulcrum 9, then, the vertical carrying release cover 3 is not opened/closed.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an image forming apparatus such as a copying machine, a facsimile and a printer.

[0002]

2. Description of the Related Art A conventional table-top type image forming apparatus, which is smaller than a medium-sized class and is movable, is not equipped with casters for movement and is often carried by two or more persons. Also, for the purpose of improving serviceability and operability, many have been unitized for each function, and each unit is movably mounted on the rail and can be projected to the outside along the rail. There is. further,
As an option, a paper feed bank is provided below the main unit,
Similar to the main body of the device, there is an increasing number of vertical transfer release covers, that is, a cover that opens and closes to remove the transfer paper when a transfer paper jam occurs in the transfer paper vertical transfer section by simply magnetically connecting it to the paper supply bank. ing.

[0003]

This type of image forming apparatus has means for fixing each unit during carrying and moving. However, the vertical conveyance release cover is easily magnet-connected to the apparatus main body or the paper feeding bank. However, in an unstable state when carrying and moving, there is a problem that the vertical transport release cover is likely to open unexpectedly due to slight vibration and bending, which may cause injury to mobile workers. There is a problem that the cover may be damaged by an impact when opening.

When a transfer paper jam occurs in the vicinity of the paper feed bank and the transfer section of the apparatus main body, the moving operator does not know which one of the paper feed bank and the apparatus main body contains the jammed paper, and the operator does not know the jammed paper. Both the vertical conveyance release covers of both the
There is also a problem in that it is not possible to quickly deal with the vertical conveyance jam.

Further, in the conventional paper feeding bank, when the paper feeding tray is unstable during movement, the paper feeding tray is apt to suddenly pop out due to slight vibration or bending, which may cause an operator to be injured during movement or the paper feeding tray to be impacted. There is also the problem of possible damage.

In view of the above-mentioned conventional problems, it is an object of the present invention to provide an image forming apparatus that can be moved safely.
Another object of the present invention is to provide an image forming apparatus in which the vertical conveyance release cover can be easily opened and inspected when jammed.

[0007]

According to a first aspect of the present invention, an image forming apparatus according to a first aspect of the present invention is a vertical conveying device that opens and closes to remove a transfer sheet when a transfer sheet jam occurs in a vertical transfer sheet conveying section. It is characterized in that it has means for fixing the release cover so that it cannot be opened when the apparatus body is moved.

The image forming apparatus according to the second aspect of the present invention is characterized in that it has means for connecting the vertical conveyance release cover of the apparatus main body and the vertical conveyance release cover of the paper feed bank thereunder.

According to the third aspect of the present invention, the image forming apparatus has means for fixing the vertical conveyance release cover of the paper feed bank so that it cannot be opened when the paper feed bank is separated from the apparatus main body. And

An image forming apparatus according to a fourth aspect of the present invention is characterized in that it has means for fixing the paper feed tray to make it immovable when the paper feed bank is separated from the main body of the apparatus.

[0011]

DETAILED DESCRIPTION OF THE INVENTION An image forming apparatus according to an embodiment of the present invention will be described below with reference to the drawings. FIG. 1 is a perspective view showing a first embodiment of an image forming apparatus according to the present invention. In the image forming apparatus of this embodiment, the document reading section 27 is arranged on the upper surface of the apparatus main body 1, and the paper feed tray 28 is arranged on the front surface so as to be drawn forward in the drawing. Further, on the right side surface, a vertical conveyance release cover 3 is rotatably supported by an unillustrated fulcrum on the back side in the figure, and is magnetically connected near the front end in the figure.

The apparatus main body 1 has a handle 5, which is elongated as shown in FIG. 2 and has a grip portion 6 at one end and a cut-out portion 7 at the other end. An operator can pull out the handle 5 and grip the grip portion 6 to lift it when carrying the apparatus body 1 around. The cut-out portion 7 serves as a stopper that comes into contact with the side surface of the apparatus main body 1 when the handle 5 is pulled out and prevents the handle 5 from falling off. When fixing the device body 1, the handle 5 is housed in the device body 1.

FIG. 3 is a schematic perspective view showing the relationship between the handle 5 and the vertical conveyance release cover 3 when the handle 5 is stored, and FIG. 4 is the handle 5 and the vertical conveyance release cover when the handle 5 is pulled out. 3 is a schematic perspective view showing the relationship with FIG. A hinge 8 is provided at the end of the vertical conveyance release cover 3 on the inner side in the figure, and the hinge 8 is pivotally supported on the apparatus main body 1 by a rotation fulcrum 9. Further, the hinge 8 is provided with a bent portion 10 at a portion opposite to the main body of the vertical transport cover 3 and the rotation fulcrum 9 therebetween.

When the handle 5 is housed inside the apparatus main body 1, as shown in FIG. 3, the slit portion 7 of the handle 5 is near the center of the apparatus main body 1 in the left-right direction in the figure. The vertical transport cover 3 can be freely opened and closed without interference between the bent portion 10 and the slit opening portion 7 of the handle 5. On the other hand, when pulling out the handle 5 to move the apparatus body 1, as shown in FIG. 4, since the cutout portion 7 of the handle 5 is near the right side surface of the apparatus body 1 in the drawing, the bent portion of the hinge 8 is bent. 1
The cut-out portion 7 of the handle 5 hits 0, the hinge 8 cannot rotate about the rotation fulcrum 9, and the vertical conveyance release cover 3 cannot be opened or closed. Therefore, the vertical transport release cover 3 does not open unexpectedly during the movement of the apparatus main body 1, so that the moving worker is not injured and the vertical transport cover 3 is not damaged.

FIG. 5 is a perspective view of a second embodiment of the image forming apparatus according to the present invention. The image forming apparatus according to the present embodiment has the same apparatus main body 1 as that of the first embodiment mounted on the lower paper feeding bank 2, and the paper feeding bank 2 has a paper feeding tray 24 on the front side in the figure. The vertical conveyance release cover 4 is pivotally supported on the right side in the figure so as to be openable and closable by a fulcrum on the back side in the figure, and is magnetically connected near the front end or the free end in the figure.

As shown in FIG. 5, a pin 11 is provided on the lower surface of the apparatus main body 1 near the free end of the vertical conveyance release cover 3 so as to project downward. A hole 12 is provided on the upper surface near the free end of the transport release cover 4. When the apparatus main body 1 is placed on the paper feed bank 2, the pin 11 is fitted into the hole 12 to connect the vertical conveyance release cover 3 of the apparatus main body 1 and the vertical conveyance release cover 4 of the paper feed bank 2. Therefore, when the vertical conveyance release cover 3 of the apparatus body 1 is opened / closed, the vertical conveyance cover 4 of the paper feeding bank 2 is also opened / closed. For this reason, when the transfer paper is jammed and the operator tries to inspect it, the vertical transport cover 3 of the apparatus main body 1 and the vertical transport release cover 4 of the paper feed bank 2 can be opened and closed at the same time, and the jammed paper can be quickly removed. Can be removed. On the other hand, when the apparatus main body 1 and the paper feed bank 2 are separated for movement or the like, the moving operator cannot independently open and close the vertical transport cover 4 of the paper feed bank 2.

FIG. 6 is a perspective view showing a third embodiment of the image forming apparatus according to the present invention. In this embodiment, the push pin 13 is provided so as to project downward near the right rear corner of the bottom surface of the apparatus main body 1 in the drawing, and the receiving portion 14 is provided near the right rear corner of the upper surface of the paper feeding bank 2 facing the receiving portion 14. A round rod-shaped push-up pin 15 is housed inside 14, and a push-up pin 15 is always pushed upward by a spring 16 arranged under the push-up pin 15 so as to be biased upward. Further, the fixing pin 17 is inserted into the through hole 18 provided in the hinge 8 and is pushed up to make the pin 1
It is connected to 5 and can move up and down in conjunction.

For this reason, normally, the push-up pin 15 is pushed upward by the spring 16, the fixing pin 17 is moved to the upper position in an interlocking manner, and is inserted into the through hole 18 of the hinge 8.
As a result, the vertical transport cover 4 is fixed and cannot be opened or closed. On the other hand, when the apparatus main body 1 is placed on the paper feed bank 2, the push-out pin 13 fits into the receiving portion 14, the push-up pin 13 contacts the push-up pin 15, and the push-up pin 15 is pushed down against the spring 16. . Then, the fixing pin 17 is interlocked and lowered, and the fixing pin 17 is pulled out from the through hole 18 of the hinge 8. As a result, the fixing is released, and the vertical transport cover 4 of the paper feeding bank 2 can be opened and closed.

FIG. 7 is a perspective view showing a fourth embodiment of the image forming apparatus according to the present invention. In this embodiment, the push pin 19 is provided so as to project downward near the right rear corner of the bottom surface of the apparatus main body 1 in the drawing, and the receiving portion 20 is provided near the right rear corner of the upper surface of the paper feeding bank 2 facing the receiving portion 20. A round bar is stored inside 20,
The push-up pin 21 is always urged upward by a spring 22 arranged below the push-up pin 21. Well, the T-fixing pin 23 is connected to the push-up pin 21 so that the T-fixing pin 23 moves up and down in conjunction with each other.

Therefore, normally, the push-up pin 21 is pushed upward by the spring 22 and the fixing pin 23 is positioned at the upper position in interlock with the push-up pin 21 near the right rear corner of the bottom face 25 of the paper feed tray 24 of the paper feed bank 2. Insert into the formed engagement hole 26,
As a result, the paper feed tray 24 is fixed so that it does not protrude forward along the rail.

On the other hand, when the apparatus main body 1 is placed on the paper feeding bank 2, the push-out pin 19 is fitted into the receiving portion 20, the push-up pin 19 contacts the push-up pin 21, and the push-up pin is resisted against the spring 22. Push down 21. Then
The fixing pin 23 is interlocked and lowered, and the fixing pin 23 is pulled out from the engaging hole 26 of the bottom surface 25 of the paper feed tray 24. As a result, the fixing of the paper feed tray 24 is released, and the paper feed tray 24 can be freely pulled out and pushed. become.

[0022]

As described above, in the image forming apparatus according to the first aspect of the present invention, the vertical conveyance release cover does not open and close unexpectedly when the apparatus body is moved, and the risk of injury to the moving worker is reduced. This has the effect of preventing damage to the vertical transport cover.

As described above, in the image forming apparatus according to the second aspect of the invention, since the vertical conveyance release cover of the apparatus main body and the vertical conveyance release cover of the paper feed bank are connected and the opening and closing are interlocked, the image forming apparatus is moved. At the same time, the vertical conveyance release covers of both the apparatus main body and the paper feed bank are not opened, and in addition to the common effects described above, it is possible to quickly and quickly deal with a transfer paper jam that occurs in the vertical conveyance unit.

As described above, in the image forming apparatus according to the third aspect of the present invention, when the paper feed bank is separated from the main body of the apparatus, the vertical conveyance release cover of the paper feed bank is fixed and cannot be opened. When separating and moving the paper feed bank, the vertical transport release cover does not open and close in both cases, which reduces the risk of injury to mobile workers and prevents damage to the vertical transport cover. .

As described above, in the image forming apparatus according to the fourth aspect, since the paper feed tray is fixed when the paper feed bank is separated from the main body of the apparatus, the paper feed tray is abruptly moved when the paper feed bank is moved. Since it does not project, there is little risk of injury to the moving worker, and damage to the paper feed tray can be avoided.

[Brief description of drawings]

FIG. 1 is a perspective view of a first embodiment of the present invention.

2 is a perspective view of the handle of the embodiment of FIG. 1. FIG.

FIG. 3 is a schematic perspective view showing a relationship between a handle and a vertical conveyance release cover when the handle of the embodiment of FIG. 1 is stored.

FIG. 4 is a schematic perspective view showing the relationship between the handle and the vertical conveyance release cover when the handle of the embodiment of FIG. 1 is pulled out.

FIG. 5 is a perspective view of a second embodiment of the present invention.

FIG. 6 is a perspective view of a third embodiment of the present invention.

FIG. 7 is a perspective view of a fourth embodiment of the present invention.

[Explanation of symbols]

 1 Image forming apparatus 2 Paper feed bank 3 Vertical transport release cover 4 Vertical transport release cover 5 Grip 6 Grip part 7 Cut-out part 8 Hinge 9 Rotation fulcrum 10 Bending part 11 Pin 12 Hole 13 Push-out pin 14 Receiving part 15 Push-up pin 16 Spring 17 Fixing pin 18 Through hole 19 Pushing pin 20 Receiving part 21 Pushing up pin 22 Spring 23 Fixing pin 24 Paper feed tray 25 Bottom face 26 Engagement hole 27 Original reading part 28 Paper feed tray

Claims (4)

[Claims] 1. A vertical conveyance release cover that opens and closes to remove the transfer sheet when a transfer sheet jam occurs in the vertical conveyance section of the transfer sheet, and has means for fixing the cover when the apparatus body is moved so that it cannot be opened. An image forming apparatus characterized by. 2. The image forming apparatus according to claim 1, further comprising means for connecting a vertical conveyance release cover of the apparatus main body and a vertical conveyance release cover of a paper feed bank below the cover. 3. The image according to claim 1, further comprising means for fixing a vertical conveyance release cover of the paper feed bank so that it cannot be opened when the paper feed bank is separated from the main body of the apparatus. Forming equipment. 4. The image forming apparatus according to claim 1, further comprising means for fixing the paper feed tray to make it immovable when the paper feed bank is separated from the apparatus main body. .