JPH0619606B2 - Image forming device - Google Patents

Description

The present invention relates to an image forming apparatus such as a copying machine, a recording device, or a laser beam printer, and more particularly to a small-sized and easy-to-carry image forming apparatus. Concerning transportation and storage during use.

(B) Conventional Technology In recent years, image forming apparatuses such as copiers have been promoted to be smaller and lighter without impairing their performance with the progress of image recording technology and the progress of parts and elements. Then, in the tendency toward small size, there is also proposed a device in which a handle is provided on the device, and the device is carried to a desired place in a posture different from that during driving operation and used. With the handle on top, it is placed in a vertically long posture different from the posture during operation and stored in a narrow space.

(C) Problems to be Solved by the Invention By the way, in the case of the above-mentioned small-sized apparatus, when the image forming apparatus is carried or stored in a posture different from that during operation, the power is turned on. If the operation button or the like is erroneously pressed, the apparatus will start to operate, and the platen or the like will start moving, which may damage the apparatus.

(D) Means for Solving the Problem The present invention has an object to solve the above-mentioned problems, and when the image forming apparatus is transported, a movable member whose arrangement position is changed in advance is provided. The present invention is characterized in that a detection member for detecting a change in the arrangement position of the movable member is provided, and the operation is switched / maintained to a stopped state based on the change of the movable member.

(E) Operation Based on the above configuration, when the image forming apparatus is transported, the movable member is changed in advance to a position different from the position where the movable member is arranged during operation. Then, the change of the movable member is detected by the detecting member, and the operation of the image forming apparatus is stopped based on the change of the movable member.

(F) Example Hereinafter, an example of the present invention will be described with reference to the drawings.

As shown in FIG. ₁ , a copying machine M _{1 according} to an embodiment related to the present invention has a document table 3 that moves back and forth above an apparatus main body 2, and has an approximately central portion of the apparatus main body 2. Arrow A
It is provided with a photosensitive drum 5 which rotates in the direction. An upper casing 6 is formed so as to cover the main body 2, and a lower casing 7 is provided below the main body 2, and the lower casing 7 has legs 9 and 9. Copier M formed
_When the copying operation is performed, the leg ₁ is placed in a posture (horizontal position) such that the leg portions 9 and 9 are in contact with the floor surface and the document table 3 is horizontally positioned above. Further, other leg portions 10, 10 are provided at the rear of the device body 2,
When the copying machine M ₁ is not used and is stored in an appropriate place, the leg portions 10 and 10 are in contact with the floor surface, and the document table 3 is positioned substantially vertically (vertical position). It can be placed. Further, below the document table 3, a document irradiation lamp 11, a heat ray absorbing filter 12, and a mirror 13 are provided.
An image forming element array 15 is provided, and an optical image of an original document placed on the original document table 3 is scanned on the photosensitive drum 5 by these optical systems to form an electrostatic latent image. It is like this. A primary charging device 16, a developing device 17, a transfer charging device 19, a separation / conveyance roller 20 and a cleaner 21 are arranged around the photosensitive drum 5, and an electrostatic latent image formed on the photosensitive drum 5 is provided. The image is developed into a toner image, and the toner image is further transferred to a sheet material. Further, a cassette 22 is detachably arranged below the apparatus main body 2, and a large number of sheet materials P are stored in the cassette 22. A paper feed roller 23 is provided above the cassette 22, and a registration roller 25 is further provided to feed the sheet material P toward the photosensitive drum 5. A transport roller 26 is provided behind the lower portion of the main body 2, and a fixing device 27 is arranged further behind the discharging roller 2 adjacent to the fixing device 27.
9 is provided to fix the toner image transferred to the sheet material P and discharge the sheet material to the outside.

On the other hand, a handle 30 is provided above the cassette 22, and the handle 30 is stored in the apparatus main body 2 when the copying machine M ₁ performs a copying operation, and when the copying machine M ₁ is carried. The handle 30 is grasped by being pulled out to the outside. A switch 31 is provided adjacent to the arm portion 30a of the handle 30. When the handle 30 is stored in the apparatus body 2, the handle arm portion 3 is provided.
When 0a is in contact with the switch 31 and the handle 30 is pulled out and the position of the handle 30 is changed, the arm portion 30a is separated from the switch 31 and the position of the handle 30 is changed. Detected by the switch 31, the switch 3
1 is transmitted to the control unit 32, and the control unit 32
Is configured to switch and hold the copying machine M ₁ in a copying operation stopped state.

Since the present embodiment has the above-described structure, the copying machine M ₁ is set in a posture during copying operation in which the document table 3 is horizontally positioned above, and the grip 23 is housed in the apparatus main body 2. It Then, the manuscript is placed on the manuscript table 3 and the copying machine M
_When the copying operation of ₁ is started, the document table 3 moves, the optical image of the document placed on the document table 3 is scanned on the photosensitive drum 5, and an electrostatic latent image is formed. Is developed into a toner image by the developing device 17. Then, the sheet material P stored in the cassette 22 is fed by the paper feed roller 25, reaches the photosensitive drum 5 via the transport roller 26, and the toner image on the drum 5 is transferred to the fixing device 27. . Further, the toner image is fixed on the sheet material P by the fixing device 27, and the sheet material P is discharged from the apparatus main body 2 through the discharging roller 29, and the copying operation of the copying machine M ₁ is completed. When the copying operation is completed and the copying machine M ₁ is stored in another appropriate place, the handle 30 is pulled out, the grip 30 is grasped, and the copying machine M ₁ is raised. Different from normal copying operation,
The manuscript table 3 is hung and carried in a posture that is substantially vertical, and is placed at an appropriate place. At this time, in the copying machine M _1, the legs 10 and 10 are grounded on the floor surface, and the manuscript table 3 is placed. Can be placed in a vertical position, which is almost vertical, so it can be stored in a narrow space. Before the copying machine M ₁ is carried, the handle 30 is pulled out, the arm portion 30a of the handle 30 is separated from the switch 31, and the contact between the switch 31 and the arm portion 30a is released, and the position where the handle 30 is arranged. Is detected by the switch 31. Then, the signal from the switch 31 is transmitted to the control unit 32, and the control unit 32 causes the copying machine M to operate.
Switch ₁ to the copy operation stopped state and hold it. Therefore, even if the copying machine button is accidentally pressed during transportation or during storage, the copying machine M ₁ does not start the copying operation as long as the handle 30 is pulled out, and the copyboard M1 There is no chance that 3 etc. will move and damage the device.

In addition, the copying machine M ₁ is placed in the posture for normal copying operation,
When the handle 30 is stored in the apparatus main body 2, the switch 31 detects the return of the position of the handle 30 and the copying machine M ₁ is released from the copying stopped state.

Next, an embodiment of the present invention will be described with reference to FIG. The same parts as those in the above-mentioned related embodiments are designated by the same reference numerals and the description thereof will be omitted.

In the above-described embodiment, the copying machine M ₁ has a large number of sheet materials P.
The copying machine M ₂ of the present embodiment has a paper feed tray 35 instead. A handle 36 is disposed below the tray 35, and an arm portion 36a of the handle 36 is fixed to the lower housing 7 so that the copy machine M ₂ can be carried.
Is gripped and hung. Also,
A rear end of the paper feed tray 35 is rotatably supported by a support shaft 37 so that the paper feed tray 35 can be swung in the vertical direction. Further, a protruding engagement portion 35a is formed at the front end. The engaging hole 39 provided on the side surface of the upper housing 6 of the main body 2.
Is adapted to engage with. Then, the paper feed tray 3
The sheet material P is placed at a position where it comes into contact with the handle 36 when the copying machine M ₂ performs a copying operation, and the sheet material P is placed thereon. Further, the copying machine M ₂ is transported. Handle 3
Since it becomes an obstacle to grip 6, it is configured to be moved upward and accommodated in the side surface of the upper housing 6 of the main body 2 and the arrangement position thereof being changed. At that time, the engaging portion 35a of the sheet feeding tray 35 is fitted into the engaging hole 39 and grasped, and the sheet feeding tray 35 is held at that position. A switch 40 is disposed close to the engagement hole 39. When the engagement portion 35a is fitted into the engagement hole 39, the engagement portion 35a contacts the switch 40 and the feed A change in the arrangement position of the paper tray 35 is detected by the switch 40, and a signal from the switch 40 is transmitted to the control unit 41 so that the control unit 41 switches / holds the copying machine M ₂ to the copying operation stopped state. Is configured.

Since the present embodiment is configured as described above, the copying machine M ₂
Is placed in a posture in which copying is performed with the document table 3 positioned horizontally above, and the paper feed tray 35 is moved to a position where it abuts the grip 36, and the sheet material P is placed on the paper feed tray 35. Placed. After that, the process is the same as that of the above-described embodiment until the document on the document table 3 is transferred to the sheet material P, the sheet material P is discharged from the apparatus main body 42, and the copying operation of the copying machine M ₂ is completed. Is omitted.

Further, when the copying operation is completed and the copying machine M ₂ is stored in another place, the paper feed tray 35 is moved upward in advance and stored in the side surface of the upper housing 6 of the apparatus main body 2 and arranged. When the position is changed, the engaging portion 35a of the paper feed tray 35 is fitted into the engaging hole 39 provided on the side surface of the housing 6 and gripped, and the paper feed tray 35 is held at that position. It Then, when the engaging portion 35 a is fitted into the engaging hole 39, the engaging portion 35 a contacts the switch 40, and the paper feed tray 35.
The switch 40 detects a change in the arrangement position of the. Therefore, a signal from the switch 40 is transmitted to the control unit 41, and the control unit 41 switches / holds the copying machine M ₂ in the copying operation stopped state. The copying machine M ₂ does not start the copying operation even if the copying operation button is accidentally pressed during transportation or during storage, and the document table 3 or the like moves to damage the apparatus. There is no.

In addition, the copying machine M ₂ is placed in the posture for normal copying operation,
When the paper feed tray 35 is separated from the side surface of the upper housing 6 of the apparatus main body 2 and returned to the position where it abuts on the handle 36, the switch 40 detects the return of the arrangement position of the paper feed tray 35, and the copying machine. M ₂ is released from the copy operation stop state.

That is, in this embodiment, the following functions and actions are exhibited.

When the image forming apparatus is used, the tray 35 is tilted onto the handle 36 so that the sheet material can be stacked on the tray 35, and the tray 35 covers the handle 36 to make the handle unusable. .

With the tray 35 in the closed position and the tray being unusable, the handle 36 is exposed for the first time, so that the handle 36 can be transported and stored.

In the unused state with the tray 35 in the closed position,
The switch 40 holds the image forming operation in a prohibited state.

In this embodiment, the change of the arrangement position of the paper feed tray is detected and the copying machine is brought into a state in which the copying operation is stopped. However, the change of the arrangement position of the paper discharge tray may be detected. .

Further, another related embodiment will be described with reference to FIGS. 3 and 4.

As shown in FIG. ₃ , the copying machine M ₃ of the present embodiment has a substantially quadrilateral apparatus body 51, and an original pressure plate 52 on the upper surface. A grip 53 is fixedly provided on one side of the apparatus main body 51, and the grip 53 is gripped and carried when the copying machine M ₃ is moved to an appropriate place. . Further, leg portions 55, 55 are formed on the other side of the apparatus main body 51, and when the copying machine M ₃ is carried to an appropriate place and stored, the copying machine M ₃ has these leg portions 55, 55. 55 is grounded on the floor, and the handle 53 can be placed in a vertically long posture with the handle 53 facing upward. Also,
This copying machine M ₃ has various members necessary for copying operation, such as a photosensitive drum, which are not shown in the inside of the main body 51 of the apparatus, but these respective members are the same as those of the copying machine M ₁ of the above-mentioned embodiment. Therefore, the description is omitted. The original pressure plate 52 is made of an elastic plastic such as polypropylene, and a grip portion 52 is provided on one side of the original pressure plate 52.
a is integrally formed. Further, the handle portion 52a is
As shown in FIG. 4, it can be bent from a hinge portion 52b formed between itself and the original pressure plate 52,
Further, an engaging piece 56 is formed at the tip of the grip portion 52a. On the other hand, the device main body 51 is provided with an engagement hole 57 corresponding to the engagement piece 56, and further provided with an engagement portion 59, and the handle portion 52a is bent and its arrangement position is changed. When changed, the engagement piece 56 engages with the engagement portion 59, fixes the grip portion 52a to the apparatus main body 51, and the document pressure plate 52 flaps or opens during transportation or storage. It is configured to prevent the movement of the document table or the movement of the document table. Further, a switch 60 is arranged adjacent to the engaging portion 59, and the engaging piece 56 is engaged with the engaging portion 5.
When engaged with 9, the engagement piece 56 comes into contact with the switch 60, the change in the arrangement position of the grip portion 52a is detected by the switch 60, and a signal from the switch 60 is transmitted to the control unit 61, The control unit 61 is configured to switch and hold the copying machine M ₃ in a copying operation stopped state.

Since the third embodiment is configured as described above, the copying machine M ₃ is placed in a posture for copying operation in which the original pressure plate 52 is horizontally positioned above, and the grip portion 52a of the original pressure plate 52 is further provided.
Is released from the device main body 51 and is moved upward. Next, since the original on the original table is copied on the sheet material and discharged from the apparatus main body 51, and the copying operation of the copying machine M ₃ is completed, the description is omitted because it is the same as the copying machine M ₁ of the above-mentioned embodiment. .

Further, when the copying operation is completed and the copying machine M ₃ is stored in another place, the grip portion 5 of the original pressing plate 52 is previously prepared.
2a is bent downward so that the engagement piece 56 of the grip portion 52a is fitted into the engagement hole 57 of the apparatus main body 51 and further engaged with the engagement portion 59, so that the grip portion 52a is attached to the apparatus main body 51. Fixed. Then, when the engagement piece 56 of the grip portion 52a engages with the engagement portion 59 of the apparatus main body 51, the tip of the engagement piece 56 contacts the switch 60 and the arrangement position of the grip portion 52a is changed. It is detected by the switch 60. Therefore, the signal from the switch 60 is transmitted to the control unit 61, and the control unit 6
1 puts the copying machine M ₃ into a state where the copying operation is stopped. And
In the copying machine M ₃ , even if the copy button is accidentally pressed during transportation or during storage, as long as the grip portion 52a is fixed to the apparatus main body 51, the copying operation does not start,
The device will not be damaged due to movement of the platen.

In addition, the copying machine M ₃ is placed in the posture during normal copying operation,
When the grip portion 52a of the original pressing plate 52 is released from the apparatus main body 51 and is returned so as to be positioned above, the grip portion 5
When the switch 60 detects the return of the arrangement position of 2a, the copying machine M ₃ is released from the copying operation stopped state.

(G) Effects of the Invention As described above, according to the present invention, the movable member that changes the arrangement position in advance when the image forming apparatus is transported is provided with the detection member that detects the change of the arrangement position of the movable member. Since the image forming apparatus is disposed and is switched and held in the operation stop state based on the change of the arrangement position of the movable member, the image forming apparatus is in a posture different from that during the transportation operation, for example, when the document table is moved. If the product is transported in a vertical position so that it will be vertical, and the operation button or the like is accidentally pressed while the power is on, the device will not operate, and the platen or the like may start moving and damage the device. Therefore, the image forming apparatus can be completely transported. Similarly, even when the image forming apparatus is stored in a posture different from that during operation and the operation button is pressed in the same manner as described above, there is no fear that the document table or the like will start moving and the apparatus will be damaged.

Further, since it is impossible to use the handle when the image forming apparatus is in use, it is necessary to surely prevent the user from accidentally grasping the handle during use and placing the image forming apparatus in the vertical position. You can

Also, since the handle is exposed only when the tray is closed, it is possible to transport and store the image forming apparatus in the vertical position only when the image forming operation is completely completed. It can be reliably prevented from moving to the position.

Further, when the tray is set to the closed position, the switch prohibits the image forming operation, and therefore, the image forming apparatus cannot be used in the vertical position. Therefore, it is possible to reliably prevent the image forming apparatus from operating.

Further, the handle is arranged so as to integrally project with the apparatus main body,
The handle can have a reliable and robust structure, and when the device is used, the tray is supported on the handle to improve the reliability of the tray, and the tray covers the handle. Therefore, the handle does not get in the way when using the device such as replenishing the sheet material on the tray, and the handle is not only in use but also in the vertical position for storage.
It does not interfere with the installation space.

[Brief description of drawings]

1 is a side view of a copying machine of an embodiment related to the present invention, FIG. 2 is a side view of a copying machine of an embodiment of the present invention, and FIG. 3 is a perspective view showing a copying machine of another related embodiment. FIG. 4 and FIG. 4 are sectional views showing the grip portion of the original pressure plate. M ₁ , M ₂ , M ₃ ... Image forming apparatus (copier), 30 ...
Movable member (handle), 35 ... Movable member (paper feed tray),
36 ... Handle, 52a ... Movable member (handle), 31,
40, 60 ... Detection member (switch).

 ─────────────────────────────────────────────────── ─── Continued front page (72) Inventor Isao Ikemoto 3-30-2 Shimomaruko, Ota-ku, Tokyo Canon Inc. (72) Inventor Hajime Kitajima 3-30-2 Shimomaruko, Ota-ku, Tokyo Canon (56) References JP 58-130345 (JP, A) JP 58-16257 (JP, A) JP 60-12563 (JP, A) JP 57-29053 (JP, A) JP 61-139784 (JP, A) JP 62-75663 (JP, A) Actual development 56-40540 (JP, U) Actual development 59-33043 (JP, U) Actual development Sho 56 -40539 (JP, U) Actually developed Sho-56-47535 (JP, U) Japanese Patent Publication 1-37734 (JP, B2)

Claims (1)

[Claims] 1. A grip provided on the side surface of the apparatus main body so as to project, and a tray on which a sheet material can be placed, the sheet material being attached to the sheet material in a lateral position. An image forming apparatus capable of forming an image, capable of transporting and storing the apparatus main body in a vertical position by the handle, wherein the tray is rotatably disposed at a position facing the handle, At the lateral position of the apparatus main body, the tray is supported on the handle in the opened state and is configured to cover the handle, and the tray is closed along the side surface of the apparatus main body. The handle is exposed to enable use, and a switch is provided that can be switched by opening and closing the tray. The switch enables an image forming operation when the tray is open, and an image when the tray is closed. Prohibition of formation And comprising, an image forming apparatus.