JPH06266176A - Copying device - Google Patents

Abstract

PURPOSE:To improve the maintenability of a key operation part, to prevent the occurrence of a fault caused by the influence of dust from a device main body and temperature and to improve reliability by providing the key operation part on an original-pressing part. CONSTITUTION:The key operation part 5 is provided on an original cover 2. At the time of the exchange of a part, only a frame upper member or a frame lower member is removed to easily exchange the part. Further, the accident of a switch is prevented because there is no influence from a device main body. Since it is not necessary to secure the space for housing the key operation part 5 on the side of the device main body, the device is miniaturized, that is, the space for installation can be reduced. Moreover, a cover covering the top surface of a special function operation part 7 is opened with one operation and simultaneously the special function operation part 7 is floated up in accordance with the opening action, so that an operator is free from a trouble to open the cover and easily sees an operation surface and the operability is improved as well.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a copying machine, and more particularly to a layout of a key operation unit in the copying machine.

[0002]

2. Description of the Related Art Conventionally, in this type of copying apparatus, an automatic document feeder (ADF) or a copy editing coordinate input device (editor) is provided in a document pressing portion arranged above the apparatus.
Etc. are built in, various input keys such as "start key", "stop key", "copy number setting key",
A key operation unit including a display unit for displaying copy density, copy magnification, etc. is incorporated as one unit in the main body of the copying apparatus.

[0003]

However, if the key operation unit is incorporated in the main body of the apparatus, even if a malfunction such as a failure occurs in the key operation unit, it is difficult to remove the part, and maintainability is improved. There is a problem that is bad. Further, since it is easily affected by dust and temperature from the main body, failure such as contact failure of the switch contact portion in the unit is likely to occur. In addition, a space for housing the key operation unit must be secured on the side of the device,
The secured space may protrude from the outer shape of the device to increase the installation space, and from the viewpoint of operability, if the space is secured on the front side of the device, the key operation part must be designed horizontally. There are also design restrictions. Furthermore, because a housing is required as a separate piece for the key operation unit,
Since the initial investment is large and the outer shape of the key operation unit is determined by the size of the device body, various key operation unit units must be prepared according to the model of the device, which lacks versatility. There's a problem. The present invention solves the above-mentioned problems, and improves the maintainability of the key operation unit and prevents the occurrence of a failure due to the influence of dust and temperature from the apparatus main body by providing the key operation unit on the document pressing unit. It is therefore an object of the present invention to provide a copying apparatus which can improve reliability and can reduce the installation space.

[0004]

In order to achieve the above object, the invention of claim 1 is a copying apparatus having a document pressing portion, wherein the document pressing portion is provided with a key operation portion. Further, in the invention of claim 2, the key operation portion is composed of a basic function operation portion and a special function operation portion, and the upper surface of the special function operation portion is covered with a lid when the operation portion is not used. There is something. Further, the invention of claim 3 is
The lid is locked in a state of covering the special function operating section, and when the lock is released, the opening operation is performed, and the special function operating section is exposed in conjunction with the opening operation. is there.

[0005]

According to the above-mentioned structure of the first aspect of the invention, since the key operation section is provided in the document pressing section of the copying apparatus, parts can be easily replaced during maintenance, the maintainability is improved, and the apparatus main body can be easily replaced. Eliminates the effects of dust and temperature.
Further, it is not necessary to secure a space for accommodating the key operation unit in the device body. Further, according to the second and third aspects, when the special function operating portion is not used, the lid covering the upper surface of the operating portion is locked in a state of covering the special function operating portion, and the lock is released. By doing so, the opening operation is performed, and the special function operation unit is exposed in conjunction with the opening operation.

[0006]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the drawings. FIG. 1 is a perspective view of a copying machine according to an embodiment of the present invention. Document cover 2 which is the document holder
Is placed above the main body of the copying apparatus 1. When the original cover 2 is opened, the original glass on which the original is set is exposed. Further, a paper feed tray 3 and a copy tray 4 are provided on both side surfaces of the apparatus 1, and the paper fed from the paper feed tray 3 is conveyed to a copying unit in the apparatus 1 and After being copied, it is ejected to the copy tray 4.

As shown in FIG. 2, the manuscript cover 2 is provided with a key operation section 5 in the front portion thereof. The key operation unit 5 is composed of a basic function operation unit 6 and a special function operation unit 7. As shown in FIG. 3, the basic function operation unit 6 includes a copy start key 9, a clear / stop key 10, a numerical setting key (+, −) 11, an exposure adjustment key 12.
Numerical display 1 for inputting numbers such as input keys, etc.
3. A density display section 14 for displaying the degree of exposure, an abnormality display section 15 for displaying an error message, etc. are provided. Further, the special function operation unit 7 includes a magnification display 16 for displaying a copy magnification, a magnification selection key 17 for selecting a copy magnification,
Magnification correction key (enlarge / reduce) for correcting copy magnification 18
Etc., and a switch 8 for opening a lid (28 in FIG. 5) provided above the special function operation unit 7 is provided in front of them.

4 to 6 are partial cross-sectional views of the key operation portion 5. The lower frame member 25 is embedded in the original cover 2 with a predetermined area, and the special function operating section 7 is provided in the area, so that the special function operating section 7 is configured independently of the basic function operating section 6. The basic function operating section 6 and the special function operating section 7 are separately provided in the electronic circuit wiring board 20.
The electronic circuit wiring board 20 is provided with switches 21 for various input keys and LEDs 22 for various display sections.
Are connected. A key top 24 is located above the switch 21.
When the key top 24 is depressed, the switch 21 is operated to execute various functions. The number display 13 and the magnification display 16 include seven segments (LE
D) is arranged in the shape of "8", and the LED emits light by an electric signal to display a numerical value. LEDs 22 are also provided on the other display units 14 and 15. Below the electronic circuit wiring board 20, in order to prevent the rear surface thereof from being exposed, one cover plate member 23 is arranged so as to extend from the basic function operating section 6 to the special function operating section 7, and the special function operating section 7 is provided. On the side, it is juxtaposed with the frame lower member 25.

On the upper surface of the basic function operation portion 6, the upper member of the frame is arranged so that only the upper surface of the key top 24 and the display surfaces of the numeral display 13, the concentration display portion 14, and the abnormality display portion 15 are exposed. 26 is formed. Also,
In order to prevent the electronic parts (LEDs) of the display portions 13, 14, 15 from being exposed, a filter 27 is provided on the upper surface of the display portions 13, 14, 15 integrally. A predetermined design is printed on the back surface of the filter 27, and the illuminating portion is not printed or is subjected to diffusion printing so that the light emission of the LED 22 is diffused and surface emission is performed.

On the other hand, in the special function operating section 7, an openable / closable lid 28 is arranged on the upper surface thereof, and below the lid 28, the upper surface of the key top 24 when the lid 28 is opened,
And, so that only the display surface of the magnification display 16 is exposed,
A movable frame lower member 29 is formed. Further, a surface sheet 30 is provided on the upper surface of the key top 24 and the magnification display 16 integrally. The topsheet 30 is
It has the same function as the filter 27.

Next, the opening / closing structure and operation of the lid 28 in the special function operating section 7 will be described with reference to FIGS. A guide 31 provided below the switch 8 is formed with a claw portion 32 that engages with a recess 28a provided in the lid 28, and when the lid 28 is closed, it is shown in FIG. As described above, the claw portion 32 is engaged with the concave portion 28a by the biasing force of the spring 33, and the lid 28 is locked in this state. Also, switch 8 in that state
When is pressed, as shown in FIG. 6B, the guide 31 is slid to the right in the figure against the urging force of the spring 33 by the convex portion 34 provided on the lower portion of the switch 8, and The engagement between the portion 32 and the recess 28a is released.

The lid 28 is opened and closed with the torsion bar 36 as an axis, and a force in the opening direction is constantly applied by the torsion bar 36. Therefore, the claw portion 32 is not
When engaged with a, the lid 28 is locked in the closed state, but when the switch 8 is pressed, the engagement between the claw portion 32 and the concave portion 28a is released, so that the lid 28 is opened. Open automatically. A claw member 37 is provided integrally with the lid 28, and the claw member 37 pushes up the frame lower member 29 from below as the lid 28 opens. by this,
The special function operating unit 7 rotates around a fulcrum 38 provided in front of it and floats up.

The original cover 2 configured as described above is
The rear part is connected to a hinge part (not shown) of the main body of the device 1 by screwing, so that the rear part is openably and closably arranged in the main body of the device 1. Then, as shown in FIG. 8, one end of the harness 40 is a display unit substrate on the side of the document cover 2, and the other end of the harness 40 is a display unit control substrate of the apparatus 1 main body.
The original cover 2 is electrically connected to the main body of the apparatus 1 by being connected by the respective connectors.

In this way, the key operation portion 5 is connected to the original cover 2
By installing the parts on the frame upper member 26
Alternatively, it can be easily performed only by removing the frame lower member 29. Further, since there is no influence of dust or temperature from the main body of the device 1, accidents such as contact failure of the switch 21 are prevented, and reliability is improved. Further, since it is not necessary to secure a space for housing the key operation unit 5 on the main body side of the device 1, the device 1 can be downsized, that is, the installation space can be reduced. Further, the lid 28 covering the upper surface of the special function operating unit 7 can be opened with one touch, and the special function operating unit 7 floats with the opening operation.
This frees you from the hassle of opening the door, and makes the operation surface easier to see and improves operability.

The present invention is not limited to the above embodiment, and various modifications can be made without departing from the spirit of the invention. For example, the lid 28 of the special function operation unit 7 in the present embodiment can be opened by rotating the torsion bar 36, but it may be opened by sliding.

[0016]

As described above, according to the present invention, since the key operating portion is provided on the document pressing portion, the key operating portion unit becomes an external component, and the component replacement at the time of maintenance becomes easy. Further, since it is not affected by dust or temperature from the main body of the apparatus, failure such as contact failure of the switch is prevented, and reliability is improved. Further, since it is not necessary to secure a space for accommodating the key operation unit on the device body side, it is possible to downsize the device, that is, to reduce the installation space. Moreover, since the housing as the key operation portion can be shared with the housing for the document pressing portion, a dedicated housing is not required and initial investment can be reduced. Further, there is a degree of freedom in the design layout (key layout, display layout) of the key operation unit. Further, since the outer shape of the document pressing portion is determined by the size of the document, the outer shape of the key operation portion can be unified and the maximum outer shape of the operation portion can be standardized.

[Brief description of drawings]

FIG. 1 is a perspective view of a copying machine according to an embodiment of the present invention.

2A is a plan view of a document cover of the copying apparatus according to the present embodiment, FIG. 2B is a side view thereof, and FIG. 2C is a front view thereof.

FIG. 3 is a plan view of a key operation unit according to the present embodiment.

FIG. 4 is a sectional view taken along the line AA ′ of FIG.

5 is a cross-sectional view taken along the line BB ′ of FIG.

FIG. 6 is a cross-sectional view taken along the line CC ′ of FIG. 2, in which (a) shows a state before the switch is pressed and (b) shows a state after the switch is pressed.

FIG. 7 is a diagram showing the opening / closing operation of the lid in the special function operation unit according to the present embodiment.

FIG. 8 is a partially transparent side view of an apparatus main body connection portion of a document cover according to the present embodiment.

[Explanation of symbols]

 1 Copying device 2 Original cover 5 Key operation part 6 Basic function operation part 7 Special function operation part 28 Lid

Claims (3)

[Claims] 1. A copying apparatus having a document pressing section, wherein the document pressing section is provided with a key operation section. 2. The key operation unit includes a basic function operation unit and a special function operation unit, and the special function operation unit includes
The copying apparatus according to claim 1, wherein the upper surface is covered with a lid when the operation section is not in use. 3. The lid is locked in a state of covering the special function operating section, and when the lid is unlocked, an opening operation is performed, and the special function operating section is exposed in conjunction with the opening operation. 3. The structure according to claim 2, wherein
The copying machine described in 1.