JPH054151U - Pressure-sensitive recording medium and image forming apparatus - Google Patents

Abstract

(57) [Summary] [Purpose] The supply roller shaft for the photosensitive pressure-sensitive recording medium is lengthened on one side, and the shaft is inserted into the machine so that the photosensitive pressure-sensitive surface is not touched. Moreover, the insertion in the wrong direction is regulated by changing the left and right lengths of the supply roller shaft. [Structure] Supply roller shaft 23 of pressure-sensitive recording medium 20
Is projected from at least one of the light and pressure sensitive recording media 20, and the amount of projection of the supply roller shaft 23 is different between right and left. The supply roller shaft 23 is held by hand and inserted into the housing portion 50 inside the body, and is connected to the drive shaft 27. If the insertion direction is wrong, the photosensitive pressure-sensitive recording medium cannot be mounted normally.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

  The present invention relates to a pressure-sensitive recording medium that outputs an image when pressure is applied, and the pressure-sensitive recording medium. The present invention relates to an image forming apparatus that uses a pressure recording medium, and more specifically, To protect from external pressure or to regulate the mounting direction when inserting into the forming device. Related to the configuration.

[0002]

[Prior art]

  As shown in US Pat. No. 4,399,209, which is one type of pressure sensitive recording medium. FIG. 7 shows a schematic view of an image forming apparatus using such a photosensitive pressure-sensitive recording medium. Image forming device A photosensitive pressure-sensitive recording medium 102 is arranged inside a cartridge 101 mounted inside the cartridge 100. It is placed. The photosensitive pressure-sensitive recording medium 102 is pulled out from the cartridge 101, Exposure stage 103, pressure developing device 108, separation roller 109, winding roller 11 Take the route of 1. Place the original 104 on the image forming apparatus 100 and copy it. When the exposure is started, the exposure unit 105 exposes the original 104 with light and exposes it. The section 105 moves from left to right, and the entire original 104 is slit-exposed. Photosensitivity at this time The pressure-sensitive recording medium 102 also moves in synchronization from left to right, and passes through the optical system 106 to the original recording medium. The image information of the draft 104 is transmitted to the light and pressure sensitive recording medium 102. Then image formation A color paper 107 is fed from the lower part of the apparatus 100, and the photosensitive pressure-sensitive recording medium 102 is fed. And is inserted into the pressure developing device 108, and an image is formed on the color developing paper 107. Transcribed.

[0003]   The developer paper 107 is separated from the light and pressure sensitive recording medium 102 by a separation roller 109. , Alone, passes through the thermal fixing device 110, is accelerated in color development, and is output. like this It is important in such a device that the pressure is applied before the image information is irradiated on the exposure table 103. It is to prevent being scratched by being applied. Image on light and pressure sensitive recording When you attach it to the image forming device, it may come into contact with your hands or the main body of the image forming device, resulting in scratches. As shown in FIG. 7, the photosensitive pressure-sensitive recording medium is covered by a cartridge or the like and stored. Protected.

[0004]

[Problems to be solved by the device]

  However, the cost of the pressure-sensitive recording medium itself is usually very low. Despite this, the cartridge-type photosensitive pressure-sensitive recording medium described above Ridge parts cost and manufacturing cost for mounting the photosensitive pressure-sensitive recording medium in the cartridge. Is overwhelmingly expensive, and is considered from the cost of the photosensitive pressure-sensitive recording medium itself. It becomes a surprisingly high cartridge type photosensitive pressure-sensitive recording medium.

[0005]   The present invention has been made to solve the above-mentioned problems, and a pressure-sensitive recording medium Pressure-sensitive recording that does not damage the body when inserted into the image forming device without a cartridge A medium and an image forming apparatus using the pressure-sensitive recording medium are provided. And

[0006]   Also, make sure that the pressure-sensitive recording medium cannot be It is also intended to prevent use.

[0007]

[Means for Solving the Problems]

  In order to achieve this object, the winding core of the pressure-sensitive recording medium of the present invention is a pressure-sensitive recording medium. Project from one side of the body by a size that can support the pressure-sensitive recording medium by hand. There is.

[0008]   Further, the image forming apparatus has an opening for inserting a roll-shaped pressure-sensitive recording medium. Face the pressure-sensitive recording medium storage section on the side of the It has a horizontally projecting drive shaft at the inner position and drives one end of the winding core of the pressure-sensitive recording medium. It has a mechanism that is detachably connected to the drive shaft, and the winding core has an end opposite to the drive shaft. From the side of the pressure-sensitive recording medium by a size that can support the pressure-sensitive recording medium with one hand. The pressure sensitive recording medium storage part by holding the protruding part of the winding core with your hand. The recording medium is removable.

[0009]   Further, the image forming apparatus has a pressure-sensitive recording having an opening for inserting a roll-shaped pressure-sensitive recording medium. A medium storage unit and a pressure-sensitive recording medium provided at a position facing the opening of the storage unit. Drive shaft that is detachably connected to one end of the winding core, and one side of the pressure-sensitive recording medium storage unit On the side of the pressure-sensitive recording medium and pulling out the pressure-sensitive recording medium. And both ends of the winding core from the both side ends of the pressure-sensitive recording medium. When projecting with different dimensions and one projecting end is located on the drive shaft side, The pressure-sensitive recording medium is arranged to face the conveying means.

[0010]

[Action]

  The pressure-sensitive recording medium of the present invention having the above structure has at least one winding core. Has a protruding part of this winding core because it protrudes from the side edge of the pressure-sensitive recording medium. This makes it possible to mount it on the image forming device without touching the pressure-sensitive recording medium. Noh. Further, the image forming apparatus has an opening on a side surface thereof, and the pressure-sensitive recording medium is horizontally arranged. It can be inserted into the pressure-sensitive recording medium storage part from the opening while holding it and easily connected to the drive shaft. It Further, both ends of the winding core of the pressure-sensitive recording medium should be separated from both ends of the pressure-sensitive recording medium. Protrusions with different dimensions make it possible to orient the pressure-sensitive recording media in the correct orientation. It can be pulled out through the transporting means only when it is attached, preventing incorrect use. It

[0011]

【Example】

  Embodiments embodying the present invention will be described below with reference to the drawings.

[0012]   FIG. 2 is a schematic center sectional view showing a first embodiment of the image recording apparatus according to the present invention. In the image recording apparatus 1 of the present embodiment, the pressure-sensitive recording medium is a light-sensitive pressure-sensitive recording medium ( Hereinafter, referred to as a capsule film) 20 and a color-developing paper 51 as an image receiving material are used. .

[0013]   The pressure-sensitive recording medium and the image receiving material are described in, for example, US Pat. No. 4,399,209. JP-A-58-88739 and the like, and a photosensitive pressure-sensitive recording medium and color paper are used. Can be used.

[0014]   As shown in FIG. 2, an original platen glass 2 and an original plate cover are provided on an upper portion of the image recording apparatus 1. 3 is provided, and a desired original 4 is placed on the original glass 2 and is placed on the original table. The cover 3 is closed.

[0015]   A halogen lamp 5 is provided below the platen glass 2 in the upper part of the image recording apparatus 1. a, the reflectors 5b and 5c, the reflection mirror 8, and the like, It is arranged so as to be able to reciprocate along a shaft 13 that is installed in parallel with the lath 2. That The light source unit 5 emits light toward the platen glass 2 in a line shape in a direction orthogonal to the moving direction. Irradiate. The radiated light passes through the transparent platen glass 2 and is placed on it. The original 4 is reflected downward.

[0016]   Below the platen glass 2, the projection lens 7 and the color tone of the copied image are adjusted. Is provided with a color conversion filter 6 and is reflected by the reflection mirrors 8, 9a, 9b. The generated light enters the projection lens 7. The light projected by the projection lens 7 , Passes through the color conversion filter 6 and is reflected by the reflection mirror 10.

[0017]   The left side of the reflection mirror 10 is for exposing the capsule film 20. An exposure table 21 is arranged, and the original film 4 is placed on the capsule film 20 along the exposure table 21. Image information is imaged.

[0018]   On the other hand, in the center of the image recording apparatus 1, a long-shaped cover that can be detached from the machine body is installed. A winding film core (hereinafter referred to as a supply roller shaft) 23 provided with the capsule film 20. It is housed in a rolled state. The supply roller shaft 23 is installed at a predetermined position inside the fuselage. In the state of being put on, the capsule film 20 is opposed to the outer circumference of the capsule film 20 in the width direction thereof. The pull-out roller 24 and the fixed roller 26 are arranged at a position where It is pulled out toward the exposure table 21. The upper and lower sides of the pull-out roller 24 are exposed on the right side. Heat in the heating section and heating section affects the capsule film 20 on the supply roller shaft 23. The heat insulating materials 25a and 25b are arranged so as not to be exposed.

[0019]   Hereinafter, description will be made in the order in which the capsule film 20 is conveyed. The capsule film 20 is bent in the upstream direction and the downstream direction of the path, respectively, It also serves as a guide for the capsule film 20. Furthermore, on the back side of the exposure table, A single heating device 30 is provided and is configured to maintain the exposure table 21 at a uniform temperature. Has been done. Below the exposure table 21, a pair of transport rollers 61 and a pressure device 60 are provided. The pressurizing device 60 is provided to transfer the image information on the capsule film 20 onto the color-developing paper 51. It is a device for transferring or developing, and has a large diameter roller 62 and a small diameter roller inside. It has a roller 63 and a large-diameter backup roller 64.

[0020]   On the left side of the pressurizing device 60, a capsule film 2 that is closely attached as will be described later. Separation roller 70 for separating 0 and developer paper 51, and a pair of feed rollers 71, and a take-up roller 72 are provided, and a well-known take-up mechanism (not shown) is provided. The capsule film 20 is wound by rotating the winding roller 72. Taken. The unexposed capsule film 20 after exiting the supply roller shaft 23 is The unexposed state is held by a light shielding cover (not shown).

[0021]   At the bottom of the image recording device 1, a paper feed cassette 80 in which color paper 51 is laminated is installed. To be done. The color-developing paper 51 on the paper feeding cassette 80 is moved by the upper half-moon roller 81. Each one is taken out. The color-developed paper 51 is fed by a paper feed guide 82 and a paper feed roller 84. It is conveyed to the pressurizing device 60.

[0022]   The pressurizing device 60 includes a developing portion of the capsule film 20 and a tip of the color developing paper 51. The capsule film 20 is supplied in the state of being united and in close contact with one another. The imaged microcapsule surface and the color-developing paper 51 are integrated in a state of contacting inside Then, the pressure is applied by being sandwiched between the large diameter roller 62 and the small diameter roller 63. This The unexposed Micule capsule is destroyed by the pressure of and is applied on the color developing paper 51. An image is transferred and formed by reacting with the existing color developer.

[0023]   Then, the capsule film 20 and the color-developing paper 51 coming out of the pressurizing device 60 are separated. After being separated by the roller 70, the capsule film 20 is separated by the pair of feed rollers 7. It is taken up by the winding roller 72 via 1. On the other hand, the color-developed paper 5 on which the image is formed 1 is sent to the third heating device 90 by the guide roller 92 via the paper discharge guide 91. To be Here, the color-developed paper 51 is accelerated in color development and is enhanced in gloss to make a copy. Come up. Finally, the sheet is discharged onto the sheet discharge tray 95 by the discharge roller 93.

[0024]   An insulating guide 94 is placed between the capsule film 20 and the second heating device 90. On the supply roller shaft 23 of the heat generated from the second heating device 90. The influence on the capsule film 20 is reduced.

[0025]   In addition, in the image recording apparatus 1, the capsule film 20 is conveyed in a predetermined transport inside the apparatus. It has an auto loading function for automatically setting it on the road. this is, The PET film part attached to the tip of the capsule film 20 is automatically The paper inside the device, and then wind it around the paper and the take-up roller 72 inside the device. Function. As a result, the capsule film 20 following the PET film portion also It is taken up by the take-up roller 72 and the setting in the apparatus is completed. This auto law The pull-out roller 24 is used for pulling out the PET film portion for ding. Is provided.

[0026]   Next, referring to FIGS. 1 to 4, the detailed structure of the mounting portion of the capsule film 20 will be described. explain about. The medium storage unit 50 that stores the capsule film 20 is an image forming device. It has an opening on the front side of the machine body of Station 1 (Fig. 4). The opening 51 is opened and closed by a door 52 Covered as possible. The drive shaft 27 is provided on the main chassis 11 at the back of the medium storage unit 50. Are supported horizontally. The drive shaft 27 is driven by a motor 29 via a gear train 28. Be moved. A joint portion 27a is provided at the end of the drive shaft 27 on the medium storage portion 50 side. There is.

[0027]   The winding core 23 of the capsule film 20 is formed on both sides of the capsule film 20. It has a pair of flanges 23a that guide the ends. Also, both ends of the winding core 23 23b and 23c project from both flanges 23a with different dimensions. The long protruding end 23b can be held by hand to support the capsule film 20 in a cantilevered manner. The length of the projection is 23 mm, and the short-side protruding end 23 c is a joint recess into which the joint 27 a is inserted. It has a part (not shown) on the inner surface.

[0028]   The bearing 42 of the winding core 23 has a spring at a position lower than the opening 51 of the medium storage unit 50. It is provided so as to be retracted by being biased in the protruding direction by 43. Also shutter 4 0 is provided so as to be slidable from the opening side of the storage portion 50 in the depth direction. Shutter -40 has a flange portion 23 and a rising portion 40a facing the flange portion 23, and It has a restraining portion 40b that is pressed against the spring 43, and the back of the storage portion 50 is provided by the spring 41. Is biased toward the opening side.

[0029]   When mounting the capsule film 20 on the image recording apparatus 1, the capsule film 2 It is performed by holding the portion 23b of the supply roller shaft 23 protruding from 0. For this reason A user can mount the image forming apparatus 1 without touching the capsule film 20. This enables the capsule filter to be used without an external pressure prevention member such as a cartridge. The rum 20 can be attached without damaging it.

[0030]   As shown in FIG. 1, the end portion 23c of the supply roller shaft 23 is connected to the film drive shaft 27. Simultaneously with the connection, the shutter 40 is pushed in by the flange portion 23a. Then, The shutter 40 releases the bearing 42, and the guide 42 is pushed upward by the spring 43. Be spoiled. Thereby, the end portion 23b of the supply roller shaft 23 is supported by the bearing 42. Installation is complete.

[0031]   If the mounting direction is wrong, as shown in FIG. Since the lengths of both ends 23b and 23c of the shaft 23 are different, press the shutter 40. It cannot be squeezed in and as a result the bearing 42 cannot support the winding core 23. Well The capsule film 20 is not aligned with the pull-out roller 24 and the fixed roller 26 in the axial direction. Can be easily attached to each other, so you can easily understand that the mounting direction is different. It

[0032]   The present invention is not limited to the embodiments, and is within the scope of the invention. Various changes can be made. For example, as shown in FIG. It does not need to be end support, but the entire winding core 23 is wound around the cantilevered film drive shaft 27. It does not matter even if it fits and supports the. FIG. 6 shows the capsule film 20. When the mounting direction is wrong, the outer periphery of the capsule film 20 faces the pull-out roller 24. It shows that autoloading cannot be performed because it has not reached the position.

[0033]

[Effect of device]

  As is clear from the above description, the present invention is equipped with the conventional cartridge. The pressure-sensitive recording medium can be attached to the image forming apparatus without damaging the pressure-sensitive recording medium. . Also, this winding core only needs to be slightly longer, and a special mold is required. It can be provided at a very low cost.

[0034]   In addition, the mounting direction of the pressure-sensitive recording medium to the image forming apparatus is restricted to prevent erroneous operation. You can

[Brief description of drawings]

FIG. 1 is an enlarged cross-sectional view of a capsule film mounting portion.

FIG. 2 is a central sectional view of the image forming apparatus.

FIG. 3 is an operation explanatory diagram of FIG. 1.

FIG. 4 is a perspective view showing a method of inserting a capsule film.

FIG. 5 is an operation explanatory diagram of FIG. 1 when the mounting direction of the capsule film is wrong.

FIG. 6 is a view equivalent to FIG. 1 of another embodiment.

FIG. 7 is a central sectional view of a conventional image forming apparatus.

[Explanation of symbols]

1 Image forming device 20 Capsule film (pressure-sensitive recording medium) 23 Supply roller shaft (winding core) 24 Draw-out roller (conveying means) 26 Fixed roller (conveying means) 27 drive shaft 50 medium storage 51 opening

Claims (3)

[Scope of utility model registration request] 1. A pressure-sensitive recording medium having a winding core for winding the pressure-sensitive recording medium in a roll shape, wherein the winding core is formed by manually peeling the pressure-sensitive recording medium from one side end of the pressure-sensitive recording medium. A pressure-sensitive recording medium characterized by being protruded by a size that can be held and supported. 2. A pressure-sensitive recording medium accommodating portion having an opening for inserting a roll-shaped pressure-sensitive recording medium on a side surface of an image forming apparatus, and the opening of the pressure-sensitive recording medium accommodating portion is horizontally arranged at an opposite back position. An image forming apparatus comprising a protruding drive shaft and detachably connecting one end of a winding core of the pressure-sensitive recording medium to the drive shaft, wherein the winding core has an end on the opposite side of the drive shaft from the pressure-sensitive recording. The pressure-sensitive recording medium protrudes from the side surface of the pressure-sensitive recording medium by a size that can be cantilevered by hand, and the protrusion of the winding core is held by hand so that the pressure-sensitive recording medium can be attached to and detached from the pressure-sensitive recording medium storage section. An image forming apparatus characterized by the above. 3. A pressure-sensitive recording medium housing portion having an opening for inserting a roll-shaped pressure-sensitive recording medium, and one end of a winding core of the pressure-sensitive recording medium provided at a position facing the opening of the housing portion. And a drive shaft that is detachably connected to the pressure-sensitive recording medium storage unit, and a conveying unit that is provided on one side of the pressure-sensitive recording medium storage unit so as to face a side surface of the pressure-sensitive recording medium and that pulls out the pressure-sensitive recording medium. Both ends of the core project from both side ends of the pressure-sensitive recording medium with different sizes, and the pressure-sensitive recording medium faces the conveying means only when the shorter projecting end is located on the drive shaft side. An image forming apparatus characterized by.