JP3006079B2 - Image forming device - Google Patents

Description

Description: BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an image forming apparatus mounted on a desired image to copy the image, and more particularly, to visually recognize the position of the image to be copied. The present invention relates to an image forming apparatus capable of performing such operations.

2. Description of the Related Art Conventionally, in an image forming apparatus in which a desired image is placed on a desired image and the image is copied, an opening of an apparatus housing is used to prevent exposure of a photosensitive recording medium when the apparatus is not used. Is provided only at the position where the image to be copied is taken.

[Problems to be Solved by the Invention] However, in this case, even if an attempt is made to copy a desired image area, since the position of the image is adjusted by the operator's can, an area other than the desired area is sometimes copied. There was a problem that there was.

SUMMARY An advantage of some aspects of the invention is to provide an image forming apparatus capable of reliably copying a desired image area.

[Means for Solving the Problems] To achieve this object, an image forming apparatus according to the present invention comprises:
A capture frame provided on a partial bottom surface of the apparatus main body used by being placed on the image surface of the document desired by the user, and capturing a partial image surface of the document; and an image surrounded by the capture frame. Irradiating means for irradiating a portion, a mirror arranged in an optical path of reflected light from the image portion irradiated by the irradiating means, the mirror changing the optical path, and reflected light having an optical path changed by the mirror The mirror is retracted from the optical path, so that the reflected light travels from the capturing frame to a visible frame provided on the upper surface or side surface of the apparatus main body. .

Further, it is effective to provide a shutter for shielding the scattered light from the photosensitive recording medium when the mirror is retracted from the optical path.

[Operation] According to the present invention having the above-described configuration, the mirror is provided in the optical path of the reflected light from the image portion irradiated by the irradiating unit, and the mirror that changes this optical path is retracted from the optical path. Since the reflected light travels from the capture frame to the viewing frame provided on the upper surface or side surface of the apparatus main body, the user can easily visually recognize the image portion to be copied.

Further, when the mirror is retracted from the optical path, a shutter that shields the scattered light from the photosensitive recording medium becomes a shutter so that the photosensitive recording medium can be stored in an unexposed state.

[Embodiment] An embodiment of the present invention will be described below with reference to the drawings.

First, the configuration of the image forming apparatus of the present embodiment will be described with reference to FIG.

The case 1 of this image forming apparatus is formed in a substantially box shape,
A lid 2 is attached to the upper opening so as to be openable and closable by a support shaft 3. An opening 53 for capturing an image is provided at the lower left of the case 1, and a viewing opening 52 is provided at a position facing the opening 53 of the lid 2. The cassette 4 is removably accommodated in the case 1,
And, it is positioned and arranged between each pair of holding pieces 5, 6 opposed to each other in the lid 2. The main body 7 of the cassette 4 is formed of a light-shielding material so as to prevent light from entering from outside, and first and second storage portions 8 and 9 are formed at predetermined intervals on both sides.

The image forming sheet 10 is composed of a long photosensitive pressure-sensitive sheet 11 and a color developing sheet 12, and the photosensitive pressure-sensitive sheet 11 and the color developing sheet 12 are wound around spools 13 and 14 in a roll shape, respectively. The cassette is housed side by side in the first housing portion 8 of the cassette body 7. As shown in FIG. 3, the photosensitive pressure-sensitive sheet 11 is formed by applying a photosensitive agent 16 on a transparent base sheet 15 and is wound so that the developer 18 is on the inside.

The first drawer opening 19 is formed on one side of the first storage portion 8, and a guide roller 20 is provided in the first storage portion 8 so as to face an inner end thereof. Then, the photosensitive pressure-sensitive sheet 11 and the color developing sheet 12 are overlapped on the guide roller 20 so that the surface of the photosensitive material 16 and the surface of the color developing agent 18 are joined to each other. 19
From the outside.

The exposure area 21 is provided in the cassette body 7 near the outer end of the first drawer opening 19. Support cylinder 22
Is provided on one side of the case 1 so as to face the exposure area 21,
An exposure imaging lens 23 is attached to the support cylinder 22 via an adjustment cylinder 24. By rotating the adjusting cylinder 24, the imaging lens 23 can be moved and adjusted in the optical axis direction according to the position of the subject. A mirror 46 is movably disposed above the image capturing opening 53 in the lower left portion of the apparatus, and reflects light reflected from a document 48 together with a mirror 47 disposed below the imaging lens 23 during exposure. Although guided to the image lens 23, it is normally on the right side, and serves as a shutter together with portions 50 and 51 of the case 1 so that external light does not expose the photosensitive paper.

At the lower right of the mirror 46, a light source for irradiating the original 48
49 and a reflector 54 are provided. In this state, the light from the subject reaches the image forming sheet 10 in the exposure area via the imaging lens 23, and the photosensitive pressure-sensitive paper 11
Are exposed through the base sheet 15 to form a latent image based on the subject.

A pressure developing device 25 as a pressure developing unit including a pair of pressure rollers 26 is provided in the case 1, and when the cassette body 7 is mounted in the case 1, a through hole 27 provided in the cassette body 7 is opened. The image forming sheet 10 is disposed in the transfer path of the image forming sheet 10. Then, the exposed portion of the photosensitive pressure-sensitive sheet 11 and the developing sheet 12 are pressed against each other between the pressing rollers 26 of the pressure developing device 25, so that the latent image on the photosensitive pressure-sensitive sheet 11 is It is transferred and developed.

The take-up shaft 28 is provided in the cassette main body 7, and the developed photosensitive pressure-sensitive sheet 11 is taken up by the take-up shaft 28. A heat fixing device 29 as a heat fixing unit including a thermal head is provided in the case 1, and when the cassette body 7 is mounted in the case 1, the guide roller 31 is provided through a through hole 30 provided in the cassette body 7. Is pressed against. Then, the image on the color developing sheet 12 transferred along the guide roller 29 is heated and fixed by the heat fixing device 29.

The double-sided adhesive tape 32 is stored in the second storage section 9 of the cassette body 7 in a state wound around a spool 33 in a roll shape. The second drawer opening portion 34 is formed on one side of the second storage portion 9 and the second drawer opening portion 34 is opposed to the inner end portion thereof.
A guide roller 35 as a guide member and a ridge 36 pressed against the guide roller 35 are provided in the storage section 9. Then, before the color-developed sheet 12 after image formation is pulled out from the second drawing-out opening 34, between the guide roller 35 and the ridge 36, the developer 18 on the color-developed sheet 12 is double-sided. An adhesive tape 32 is stuck, and in this state, the color developing sheet 12 is placed in the second drawer opening.
It is discharged through 34 and the paper exit 37 of case 1.

As shown in FIG. 2, one pressure roller 26 of the pressure developing device 25 is driven by gears 39 and 40 by driving of a drive motor 38.
Is rotated, and the winding shaft 28 is rotated via the gear 41 that meshes with the gear 40. With the rotation of the winding shaft 28, the guide roller 31 facing the heat fixing device 29 is rotated via the gears 42 and 43, and the gears 44 and 4 meshing with the gear 43 are rotated.
Through 5, the guide roller 35 for the double-sided adhesive tape 32 is rotated.

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

By the way, when an image based on a subject is formed using this image forming apparatus, the exposure imaging lens 23 provided on one side of the case 1 is rotated by rotating the adjusting cylinder 24.
The imaging lens 23 is moved and adjusted in the optical axis direction. The device is placed on the image to be copied, and the desired image area is determined by viewing the image capturing opening 53 from the viewing opening 52. At this time, the mirror 46 has moved to the right, and a part 50 of the case 1 and
Since it also serves as a shutter that blocks light to the mirror 47 together with 51, there is nothing to block when viewing the image area from the viewing opening 52, and positioning is easy. In this state, when a start switch (not shown) is operated, the mirror 46 moves to the left, and after the optical path from the document 48 to the exposure area 21 is secured, the light source 49 is turned on, and the document 48 is irradiated together with the reflector 54. . The light reaching the image forming sheet 10 on the exposure area 21 through the imaging lens 23 from the subject causes the photosensitive pressure-sensitive sheet
11 is exposed through the base sheet 15, and a latent image corresponding to the subject is formed on the photosensitive pressure-sensitive sheet 11. When the exposure is completed, the light source 49 turns off, the mirror 46 moves to the right,
Acts as a shutter. Next, the drive motor 38
Is started, and the transfer of the image forming sheet 10 and the double-sided adhesive tape 32 and the like are started. Then, the exposed portion of the photosensitive pressure-sensitive sheet 11 and the developing
And the latent image on the photosensitive pressure-sensitive sheet 11 is transferred and developed on the developing sheet 12, and the used photosensitive pressure-sensitive sheet 11 is wound around the winding shaft 28, and The image is heat-fixed by the heat fixing device 29.

In addition, the guide roller 35 is used until the color-developed sheet 12 after the image formation is pulled out from the second drawing-out opening 34.
A double-sided adhesive tape 32 is adhered to the surface of the color developer 18 of the color developer sheet 12 between the protrusions 36 and the ridges 36, and in this state, the color developer sheet 12 is discharged from the second drawer opening 34 and the case 1 Discharged through the mouth 37. Therefore, the output image formed on the color developing sheet 12 can be used for a seal or the like.

The present invention is not limited to the embodiments described in detail above,
Various changes can be made without departing from the spirit of the invention.

For example, in this embodiment, the viewing opening 52 is provided on the upper surface of the lid 2, but another mirror for changing the optical path is provided to provide a viewing opening on the side surface of the apparatus. Is also good.

Further, the mirror 46 may be rotated to secure an optical path instead of moving to the left and right.

[Effects of the Invention] As is clear from the above, according to the present invention, a desired image area can be visually recognized from the opening of the apparatus.
This provides an industrially remarkable effect that an image forming apparatus with improved operability can be provided without failing in copying.

[Brief description of the drawings]

1 to 3 show an embodiment of the present invention. FIG. 1 is a schematic configuration diagram of an image forming apparatus, FIG. 2 is a partially enlarged view of a driving configuration, and FIG. FIG. 3 is a partially enlarged view showing a part of a pressure-sensitive sheet and a color developing sheet. In the figure, 1 is a case, 11 is a photosensitive and pressure-sensitive sheet, 12 is a developed color sheet, 23 is an imaging lens for exposure, 25 is a pressure developing section, 29 is a heat fixing section, 46 and 47 are mirrors, and 52 is a viewing section. An opening 53 is an image capturing opening.

──────────────────────────────────────────────────続 き Continuation of the front page (56) References Japanese Utility Model Sho 60-74144 (JP, U) Japanese Utility Model Sho 59-170843 (JP, U) (58) Fields investigated (Int. Cl. ⁷ , DB name) G03B 27/32 G03B 27/70

Claims (1)

(57) [Claims] 1. A capture frame provided on a partial bottom surface of an apparatus main body used by being placed on an image surface of a document desired by a user, and capturing a partial image surface of the document; Irradiating means for irradiating an image portion surrounded by, irradiating by the irradiating means is disposed in the optical path of the reflected light from the image portion, a mirror for changing the optical path, the optical path by the mirror An image forming apparatus having a photosensitive recording medium exposed by the changed reflected light, wherein the mirror is retracted from the optical path, so that the reflected light is provided on the upper surface or side surface of the apparatus main body from the capturing frame. An image forming apparatus comprising: a shutter that moves toward a visible frame and shields scattered light from the photosensitive recording medium.