JP2564749Y2 - Image forming device - Google Patents

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 small-sized copying machine for copying by placing the apparatus on a document.

[0002]

2. Description of the Related Art Conventionally, as a small-sized image forming apparatus of this type, as shown in Japanese Patent Application Laid-Open No. Sho. That is, image formation was performed. The document reading opening is formed by an opening without a cover provided at the lower part of the apparatus or a glass or transparent plastic cover provided to contact the document. In some cases, the mouth is moved while closely contacting the original, and in other cases, the image forming apparatus is tilted so that the reading opening of the original is slightly lifted and the cover of the image forming apparatus is slid.

[0003]

However, if the user attempts to move the image forming apparatus on the document by hand, the image forming apparatus shifts to the left or right and cannot be moved straight. In the case of reading, it was difficult to make the inclination angle constant, and it was difficult to read the document easily. In the case where the original is read by bringing the reading opening of the original into contact with the original, the glass or transparent plastic cover rubs the original with the movement of the image forming apparatus. Scratches and stains on the glass or transparent plastic cover adversely affected the output image. If the document reading opening is merely an opening, foreign matter easily enters the image forming apparatus through the opening, and there is a possibility that the apparatus itself may be damaged.

The present invention has been made to solve the above-mentioned problems, and realizes stable image capture.
Come, and when to and move an image forming apparatus, when reading the image, scratches on the cover glass or transparent plastic provided in the reading port of the document, with less dirt, stable output image can be obtained It is an object to provide an image forming apparatus.

[0005]

In order to achieve this object, an image forming apparatus according to the present invention forms an original image on a lower surface of the apparatus.
Opening comprising an opening to be inserted and a translucent member covering the opening.
A cover for covering at least the lower part of the apparatus having a mouth cover
A member is provided, placed on the original, and
Area that is located in the opening with the stationary
Captures the original image of the area through the opening cover
The opening cover is in close contact with the original document of the apparatus main body.
Located on the inside of the device from the bottom surface of the cover member.
You.

[0006]

In the image forming apparatus of the present invention having the above configuration , the opening cover covers the opening for taking in the original image.
Bars are provided to prevent foreign matter from entering the inside of the device
I do. Also, the opening cover is mounted more than the bottom of the cover member.
It is located on the inside of the
Bars are not scratched or stained.

[0007]

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

FIG. 1 shows an image forming apparatus 1 embodying the present invention.
It is an outline center sectional view of.

In the image forming apparatus 1 of the present embodiment, a photosensitive recording medium composed of photosensitive pressure-sensitive recording paper 11 (hereinafter referred to as capsule paper) and image receiving material 12 (hereinafter referred to as developed paper) is used. I have. Note that microcapsules are applied to the surface of the support of the capsule paper 11 used in the present embodiment, and the microcapsules contain a dye precursor or the like that reacts with a developer described later. . The surface of the support of the color developing paper 12 is coated with a color developing agent, and develops a color by reacting with a dye precursor.
399209, etc., and are omitted here.

An opening 1a for taking in image information of the document 2 is provided on a cover on the bottom surface of the image forming apparatus 1 (hereinafter, simply referred to as an apparatus) .
An original surface glass 3 corresponding to the opening cover is arranged, and the original surface glass 3 is floated from the original 2 by the thickness of the cover on the bottom surface of the apparatus 1. Also, the device 1
The lamp 4 is disposed at the lower center of the lamp.
, A reflector 5c is provided on the side facing the lamp 4 with the opening 1a interposed therebetween, so that light from the lamp 4 is focused on the entire irradiation area of the document 2. It has become. Above the reflector 5c, a light amount sensor 30 for detecting the brightness of the document 2 by the lamp 4 is provided. The reflected light from the document 2 is imaged on an exposure surface 8 via a mirror 6 and a lens 7 provided at the front center of the apparatus 1. A window 40 is provided on the upper front surface, and the mirror 6 is movably supported by a drive mechanism (not shown).
Manuscript 2 can be viewed through the screen.

A cassette 9 is disposed in the center of the right side of the apparatus 1. The cassette 9 is provided with a capsule paper roll 13 and a developing paper 12 in which capsule paper 11 is wound with the surface coated with microcapsules inside. An adhesive tape roll 17 wound around a developing paper roll 14, a take-up roll 15, and a double-sided pressure-sensitive adhesive tape 16 with release paper wound with the surface coated with the colorant inward is used. Built-in. Here, the support of the color developing paper 12 is made of a transparent film such as PET, and the image formed on the surface to which the color developing agent is applied can be seen from the back side through the film.

On the exposure surface 8, the capsule paper 11 pulled out from the capsule paper roll 13 is provided with two support rollers 18.
The exposure surface 8 is stretched by a and 18b, and is formed at a position where it enters the cassette 9.

A pressure developing device 19 is disposed on the upper right side of the apparatus 1. The pressure developing device 19 includes a pair of opposing pressure rollers 20a and 20b and a backup roller 20c.
It is composed of

The capsule paper 11 and the developing paper 12 are supplied in a superposed state between a pair of pressure rollers 20a and 20b. The pair of pressure rollers 20a and 20b and the backup roller 20c are used during pressure development. The backup roller 20c generates an appropriate pressure between the pair of pressure rollers 20a and 20b by a pressure mechanism (not shown).

Further, to the right of the pressure developing device 19, a thermal fixing device 21 using a resistance heating element (not shown) as a heater is disposed at a position in contact with the developed paper 12 after pressure development is completed. Is a predetermined temperature (for example, 1
20 ° C. to 140 ° C.).
The method of maintaining the temperature of the heat fixing unit 21 at a predetermined temperature may be performed by software, or a resistance heating element having a self-temperature adjusting function may be used as the resistance heating element of the heat fixing unit 21.

Downstream of the heat fixing device 21, there is provided a sticking roller 22, which is composed of a pair of pressing rollers 22a and 22b, and sticks the double-sided adhesive tape 16 to the developed color paper 12 on which heat fixing has been completed. Reference numeral 22 indicates that the double-sided adhesive tape 16 is sequentially attached to the surface of the color-developed paper 12 on which the color developer is applied, with the developed paper 12 and the double-sided adhesive tape 16 with release paper adhered to one side interposed therebetween at a constant pressure. Is configured. Hereinafter, the developed color paper 12 to which the double-sided adhesive tape 16 is attached is referred to as output image paper 26.

A cutter 2 is provided downstream of the attaching roller 22.
The cutter 23 is moved up and down by a driving device (not shown), and the cutter 23 moves down to cut the output image paper 26.

A drive motor 24 which is a drive source of each mechanism of the apparatus 1 is located at a position above the center of the apparatus 1 except for the optical path.
The power is transmitted to each mechanism by a transmission mechanism (not shown) using a battery 25 disposed at a lower part of the apparatus as a power supply. The battery 25 also supplies power to the lamp 4, the light amount sensor 30, the heat fixing device 21, and the like.

Next, the operation of the apparatus 1 configured as described above will be described.

First, the operator sets the apparatus 1 on the document 2 and adjusts the position while viewing the document 2 from the window 40. At this time, the original 2 is pressed by the cover on the bottom of the apparatus 1, but the original surface glass 3 is separated from the original 2.
Thus, the original 2 in the opening 1a has nothing to press. However, since the peripheral portion is held down by the cover on the bottom surface, the original surface is not so curved, and the irregularities of the original 2 are sufficiently within the depth of field of the lens 4.

When a start switch (not shown) is pressed, the drive motor 24 starts rotating, and the apparatus 1 starts an image forming operation.

First, the lamp 4 is turned on, and the irradiation light of the lamp 4 is condensed by the reflectors 5a, 5b, 5c, and is irradiated on the original 2 through the original surface glass 3 provided in the opening 1a. The reflected light from the original 2 is reflected by the mirror 6
An image is formed on an exposure surface 8 via a lens 7. Light sensor 3
When the time required for the exposure based on the detection result of 0 elapses, the lamp 4 is turned off, and the exposure, that is, the formation of the latent image on the capsule paper 11 ends.

On the exposure surface 8, a capsule paper 11 is stretched between two support rollers 18a and 18b. After the latent image is formed, the capsule paper 11 is transported in synchronization with the developing paper 12, and both are superposed. In this state, it is sent to the pressure developing device 19.

In the initial state, the pressure developing device 19 is in a non-pressurized state, and when the capsule paper 11 after forming the latent image reaches a predetermined position, the pressure developing device 19 is pressed by a driving mechanism (not shown). become.

The capsule paper 11 and the color developing paper 12 that have been pressure-developed by the pressure developing device 19 are then separated, and only the capsule paper 11 is taken up by the take-up roll 15. on the other hand,
After the pressure-developed developer paper 12 is heat-fixed by the heat fixing device 21, the developer paper 12 is pressed together with the double-sided adhesive tape 16 by the application roller 22, and the double-sided adhesive tape 16 is attached to the developer surface of the developer paper 12, The output image paper 26 is formed.

When the thermal fixing of the developing paper 12 of a predetermined length is completed, the pressure developing device 19 is again in a non-pressurized state, and the heating of the thermal fixing device 21 by the heater is completed.

The output image paper 26 thus formed
Is finally cut to an appropriate length by the cutter 23,
This is output as a copy image of the document 2. Here, the pressure development, the application of the double-sided adhesive tape, and the driving of the cutter are performed by the drive motor 24 and a transmission mechanism (not shown).

In the present embodiment, the description has been made on the condition that the original surface glass only rests on the hole provided in the flat portion of the lower cover of the image forming apparatus. As long as they do not coincide with each other, the document surface glass may be partially buried in the lower cover, or a portion of the lower cover may be protruded into the apparatus and may be placed thereon.

[0029]

[Devised effect] As apparent from the above description, according to the image forming apparatus of the present invention, placing the device itself on the document
It is placed in close contact and stationary, so there is no image disturbance due to camera shake , and an opening cover that covers the opening that is the document reading port
Therefore, there is no possibility that foreign matter enters the inside of the apparatus from below the apparatus.

Also, when moving the image forming apparatus or reading an image, an opening cover made of glass or transparent plastic or the like provided at the document reading port.
Since bar does not contact the document reading section, opening mosquito
It is possible to provide an image forming apparatus in which a bar is hardly damaged or stained and a stable output image can be obtained.

[Brief description of the drawings]

FIG. 1 is a schematic center sectional view of the present embodiment.

[Explanation of symbols]

 1a Opening 3 Original surface glass

Claims (1)

(57) [Scope of request for utility model registration] An opening for taking in an original image is provided on a lower surface of the apparatus.
And an opening cover made of a translucent member for covering the opening
A cover member for covering at least the lower portion of the apparatus having
Is placed on the original, and the lower surface of the device is closely attached to the original.
Original image of the area located at the opening with the stationary state
In the image forming apparatus that takes in the document through the opening cover, the opening cover is attached to the original of the apparatus main body before it comes into close contact with the document.
An image forming apparatus, wherein the image forming apparatus is located inside the apparatus with respect to a bottom surface of the cover member .