JP2017175594A - Image reading device and image formation device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To suppress growing of an installation space of an image reading device body.SOLUTION: An image reading device includes; a placement stage such as a contact glass 21 on which a reading medium is placed; a reading part such as a downward document reading unit 20 for optically reading the reading medium that is placed on the placement stage from below through the placement stage; a pressing member such as a document pressurizing plate 22 being rotatable to suppress the reading medium placed on the placement stage, on the placement stage; an imaging part 125 for imaging, from above, the reading medium placed on an upper surface of the pressing member being in a closed state; and a post part to which the imaging part is fixed. The post part is provided on the upper surface of the image reading device body, being at a different point from the pressing member.SELECTED DRAWING: Figure 1

Description

  The present invention relates to an image reading apparatus and an image forming apparatus.

  2. Description of the Related Art Conventionally, there has been known an image reading apparatus in which a document serving as a reading medium placed on a placement table can be optically read from below through a placement table by a reading unit, and the document can be imaged from above by an imaging unit.

  For example, Patent Document 1 discloses an image reading apparatus that can hold a document on a top surface of a transparent flat bed platen on which a document is placed and can be opened and closed by pivoting about a shaft portion on the back side. An image reading apparatus including a manuscript pressing cover is disclosed. In the image reading apparatus, the imaging unit is provided on a support bar that is a support column that is erected in the center of the back side of the document pressing cover. The support bar extends upward from the root portion to a predetermined height, and further extends toward the front side of the image reading apparatus main body. An imaging unit is provided in a portion extending to the near side.

  When reading the document downward, the document pressing cover is opened upward and set on the upper surface of the flat bed platen with the surface to be read facing downward, and then the document pressing cover is closed. The reading unit optically reads the read surface of the document through the flat bed platen. On the other hand, when the image is taken with the document facing upward, the document pressing cover is closed, and the document is set with the surface to be imaged facing upward in the placement space that appears on the upper surface of the document pressing cover. The image pickup surface of the document is picked up from above by the image pickup unit.

  According to the image reading device disclosed in Patent Document 1, when the shaft is pivoted so as to open the document pressing cover upward, the portion extending upward from the base portion of the support bar protrudes rearward of the image reading device main body. To do. Therefore, it is necessary to secure the protruding space, and there is a problem that the installation space for the image reading apparatus main body is increased.

  In order to solve the above-described problem, the present invention provides a mounting table on which a reading medium is mounted, and reading the reading medium mounted on the mounting table optically from below through the mounting table. And a rotatable pressing member for pressing the reading medium placed on the mounting table onto the mounting table, and imaging the reading medium placed on the upper surface of the holding member in a closed state from above In the image reading apparatus including the imaging unit and the column unit that fixes the imaging unit, the column unit is provided on a top surface of the image reading apparatus main body and at a location different from the pressing member. It is a feature.

  According to the present invention, it is possible to obtain a specific effect that an increase in installation space of the image reading apparatus main body can be suppressed.

1 is a schematic configuration diagram of a multifunction machine according to an embodiment. FIG. 3 is an overall perspective view showing a state in which a document pressing pressure plate is closed in the multifunction peripheral according to the present embodiment. FIG. 3 is an overall perspective view of the multifunction machine in a state where the document pressing platen according to the first exemplary embodiment is opened upward. FIG. 6 is an overall perspective view of a state in which a document pressing plate of Example 2 is closed. FIG. 10 is an overall perspective view of a state in which a document pressing plate of Example 2 is opened upward. FIG. 6 is an overall perspective view of a state in which a document pressing plate of Example 3 is closed. FIG. 10 is an overall perspective view of a state in which a document pressing plate of Example 3 is opened upward. The partial perspective view seen from the multifunction machine back when the thing which integrated the support | pillar part 121 and the fastening part 122 in Example 3 was removed from the apparatus main body. FIG. 9 is a partial perspective view of a rear end of a multi-function device when a unit in which a support column 121 and a fastening portion 122 are integrated is attached to a multi-function device main body in the third embodiment. In Example 3, it is a fragmentary perspective view for every attachment state of each component. FIG. 10 is a partial perspective view of the original presser pressure plate 22, the column portion 121, and the fastening portion 122 in Example 3 as viewed from the rear of the multi-function peripheral when removed from the multi-function peripheral body. FIG. 9 is a partial perspective view of the original presser pressure plate 22, the column portion 121, and the fastening portion 122 in Example 3 as viewed from the rear of the multi-function peripheral when attached to the main body of the multi-function peripheral. The schematic diagram which shows the inside of a support | pillar part, and a wiring part. FIG. 14 is a partial perspective view of the original presser pressure plate 22, the column portion 121, and the fastening portion 122 of Example 3 as seen from the back side. FIG. 9 is a partial perspective view illustrating a partial configuration of an image reading apparatus according to a fourth embodiment. The fragmentary perspective view seen from the multifunction machine back when the thing which integrated the support | pillar part 121 and the fastening part 122 in Example 4 was removed from the apparatus main body. The fragmentary perspective view seen from the multifunction machine back when the thing which integrated the support | pillar part 121 and the fastening part 122 in Example 4 was attached to the multifunction machine main body. (A) is a perspective view for explaining the configuration of an open / close module when the automatic document feeder unit 300 is viewed from below, and (b) is an enlarged view of a portion surrounded by a dotted line in (a). The whole perspective view of the state which opened the automatic conveyance unit 300 of Example 4 upwards. FIG. 10 is a partial perspective view of the automatic conveyance unit 300 according to the fourth embodiment when the automatic conveyance unit 300 is opened upward. FIG. 9 is a partial perspective view of the fourth embodiment with the automatic conveyance unit 300 and the upward document placing plate 303 opened upward. FIG. 3 is a partial cross-sectional view illustrating the configuration of an automatic document feeder unit 300 and an upward document placing plate 303. FIG. 9 is an overall perspective view of a modified example of a document pressing plate which is closed.

Hereinafter, an embodiment in which the present invention is applied to an image reading apparatus (hereinafter simply referred to as a “multifunction machine”) 100 having an electrophotographic image forming unit will be described.
FIG. 1 is a schematic configuration diagram of a multifunction machine according to the present embodiment. FIG. 2 is an overall perspective view of the multifunction peripheral according to the present embodiment with the document pressing platen closed. FIG. 3 is an overall perspective view of the multifunction machine with the document pressing platen opened upward. Y, M, C, and K indicate members for yellow, magenta, cyan, and black, respectively.

  As shown in FIG. 1, the image forming unit 10 visualizes an image carrier 11, a charging device 12 that charges the surface of the image carrier 11, and a latent image formed on the surface of the image carrier 11 with each color toner. A developing device 13 for cleaning, a cleaning device 14 for collecting toner remaining on the surface of the image carrier 11 after the transfer of the toner image, and a lubricant application device 15 for applying a lubricant to protect the surface of the image carrier 11; Are detachably disposed around the image carrier 11. Each image forming unit is configured to be detachable from the multifunction device main body.

  As shown in FIG. 1, an exposure device 16 as a latent image forming unit is provided above the image forming unit. In addition, a downward document reading unit (reading unit) 20 serving as a reading unit that scans a document serving as a reading medium placed on a contact glass 21 serving as a transparent mounting table from below is provided on the upper part of the multifunction peripheral 100. ing. The downward document reading unit 20 reads a thin document such as paper as a reading medium. Further, an upward document reading unit (imaging unit) 120 for capturing an image of a document as a reading medium (object to be captured) from above is provided above the downward document reading unit 20. The upward document reading unit 120 reads a thick object (book, three-dimensional object) as a reading medium. The image reading apparatus 200 includes a downward document reading unit 20 and an upward document reading unit 120. A transfer unit 30 including an intermediate transfer belt 31 as an intermediate transfer member is provided below the image forming unit. The intermediate transfer belt 31 is stretched around a plurality of support rollers, and moves in the direction of arrow A in FIG.

  As shown in FIG. 1, a secondary transfer device 40 is provided below the transfer unit 30. The secondary transfer device 40 includes a secondary transfer roller 41. The secondary transfer roller 41 abuts on the intermediate transfer belt 31 around the transfer counter roller 42 from the belt front surface to form a secondary transfer nip. A secondary transfer bias is applied to the secondary transfer roller 41 by a secondary transfer high-voltage power source. Further, the transfer counter roller 42 is electrically grounded. Thereby, a secondary transfer electric field is formed in the secondary transfer nip.

  On the left side of the secondary transfer device 40 in FIG. 1, a fixing unit 50 having a heating roller having a heating element therein is provided to fix the toner image transferred onto the paper. In addition, a conveyance belt 60 is provided between the secondary transfer device 40 and the fixing unit 50 to convey the sheet after transfer of the toner image to the fixing unit 50.

  In addition, a sheet feeding unit 70 that feeds sheets fed separately from the sheet feeding storage unit to the secondary transfer device 40 is provided below the multifunction peripheral 100. Further, a paper discharge unit 90 is provided that conveys the paper that has passed through the fixing unit 50 to the outside of the apparatus or to the duplex unit 80.

  When a copy of a document is taken above the multifunction device 100, for example, a bundle of sheet documents is set on a document table of an automatic document feeder.

  However, when the original is a single-sided original that is closed in a main form, it is set on the contact glass 21. Prior to this setting, the document pressing plate 22 serving as a pressing portion is pivotally opened with respect to the multifunction device main body and opened upward to expose the contact glass 21. Thereafter, the one-sheet original is pressed onto the contact glass 21 by closing the original pressing plate 22.

  After the document is set in this manner, when the copy start switch on the operation panel 130 provided on the front surface of the multifunction peripheral 100 is pressed, the document reading operation by the downward document reading unit 20 is started.

  However, when a sheet document is set on the automatic document feeder, the automatic document feeder automatically moves the sheet-like document to the contact glass 21 prior to the document reading operation.

  In the document reading operation, first, both the first traveling body 23 and the second traveling body 24 start traveling, and light is emitted from a light source provided in the first traveling body 23. The reflected light from the document surface is reflected by the mirror of the first traveling body 23, reflected by the mirror provided in the second traveling body 24, passes through the imaging lens 25, and then enters the reading sensor 26. The The reading sensor 26 constructs image information based on the incident light.

  In parallel with such a document reading operation, each device in each of the image forming units 10Y, 10M, 10C, 10K, the transfer unit 30, the secondary transfer device 40, and the fixing unit 50 start driving.

  Based on the image information constructed by the reading sensor 26, the exposure device 16 is driven and controlled to form Y, M, C, and K toner images on the image carriers 11Y, 11M, 11C, and 11K. The These toner images become four-color toner images superimposed and transferred on the intermediate transfer belt 31.

  When making a copy with this multifunction device 100, the document placed on the contact glass 21 is read by the downward document reading unit 20. In parallel with this document reading, the intermediate transfer belt 31 moves in the direction of arrow A in FIG. At the same time, in the image forming unit, yellow, magenta, and magenta, on the basis of the read document contents, are placed on the image carriers 11Y, M, C, and K whose surfaces are charged by the charging devices 12Y, 12M, 12C, and 12K. An electrostatic latent image is formed by exposure by the exposure device 16 using information for each color of cyan and black. The electrostatic latent image is visualized and developed into a toner image by a developing device 13 that is replenished by a predetermined replenishment amount from a toner bottle filled with yellow, magenta, cyan, and black toner, and intermediate transfer is performed by a primary transfer device 17. Transferred onto the belt 31.

  The transferred toner remaining on the image carrier 11 is collected by the cleaning device 14, and the collected toner is conveyed to a toner collecting container installed in the main body through a conveyance path in the cleaning device. After the residual toner is collected by the cleaning device 14, the lubricant is applied to the surface of the image carrier 11 by the lubricant application device 15 to form a protective layer on the surface.

  Next, the electrostatic latent images on the image carriers 11Y, 11M, 11C, and 11K are developed by the developing devices 14Y, 14M, 14C, and 14K to form single-color toner images. Then, the toner images on the image carriers 11Y, 11M, 11C, and 11K are sequentially transferred onto the intermediate transfer belt 31 so as to overlap each other, thereby forming a composite toner image on the intermediate transfer belt 31.

  In parallel with such a toner image forming operation, the paper is fed out from the paper feed accommodating portion one by one, and abutted against the nip of the registration roller pair 71 of the paper feed unit 70 and stopped. Then, the registration roller pair 71 is rotated in synchronization with the formation of the composite toner image on the intermediate transfer belt 31, and the sheet is fed between the intermediate transfer belt 31 and the secondary transfer device 40. The toner image is secondarily transferred onto the paper.

  The paper after transfer of the toner image is transported by the transport belt 60 and sent to the fixing unit 50. The fixing unit 50 applies heat and pressure to fix the toner image, and then the paper is sent to the paper discharge unit 90. The paper discharge unit 90 is switched by a switching claw and guided to a paper discharge tray outside the machine (left side of the multifunction machine 100 in FIG. 1) or the duplex unit 80 below. In the duplex unit 80, the sheet is reversed and guided again to the secondary transfer position (secondary transfer nip position between the secondary transfer device 40 and the intermediate transfer belt 31). The unit 90 discharges the paper onto the paper discharge tray. The intermediate transfer belt 31 after the image transfer is removed by the intermediate transfer belt cleaning unit 110 to remove residual toner remaining on the intermediate transfer belt 31 to prepare for image formation again.

Next, an image reading apparatus which is a characteristic part of the present invention will be described.
Example 1
An example of the above-described embodiment (hereinafter, this example is referred to as “Example 1”) will be described.
In the first embodiment, as shown in FIGS. 1, 2, and 3, an upward document reading unit 120 is provided. The upward document reading unit 120 includes a column part 121, a fastening part 122, and a hinge part 123, which will be described later. The wiring unit 124 and the imaging unit 125 are configured. The fastening portion 122 includes a mounting plate 122a and a screw 122b that detachably fixes the mounting plate 112a to the apparatus main body 1. The imaging unit 125 includes a camera 125a such as an image sensor or imaging camera having a charge coupled device (CCD) and a camera cover unit 125b to which the camera 125a is attached. When an upward document reading unit 120 that can be optionally added is mounted on the upper part of the image forming unit of the multifunction peripheral 100, as shown in FIG. 3, the fastening unit 122, the hinge unit 123, and the document pressing plate 22 are included. Unlike the configuration in which the pressure plate unit is detachably fixed to the upper side of the apparatus main body 1 or rearward of the upper surface, the pressure plate unit composed of the document pressing pressure plate 22 and the hinge portion 123 is connected to the upper or upper surface of the apparatus main body 1 by a separate fastening portion 122. Removably fix backwards. The camera cover part 125b is fixed to the column part 121, and the camera cover part 125b may include a light source (illumination) such as an LED in addition to the imaging part 125.

  Further, by connecting the operation panel control board of the operation panel 130 and the camera control board of the camera 125a by the wiring unit 124 such as a cable, control using the operation panel 130, the foot SW, or the like becomes possible. Further, the upper surface of the document pressing plate 22 is used as a document placing table 126 for setting an upward document. The document placing table 126 is provided with a document alignment unit 127 in which an outer frame indicating the imaging area of the camera 125a and a cross indicating the center position of the imaging area are displayed as lines. The document alignment unit 127 is displayed by any one of direct printing, decal, engraving, irradiation from above, or light emission from below. The display provides an indication that the position of the document is out of the shooting range or that the document is tilted, and it is possible to prevent problems in document reading in advance.

  For reading an upward document, the document reading surface (imaging surface) side is set upward on the document placing table 126 on the upper surface of the document pressing pressure plate 22 with the document pressing pressure plate 22 closed. When a reading key such as the operation panel 130 is pressed, an upward document is imaged by the camera 125a arranged so that the shooting direction is downward. For reading a downward document, as described above, the document pressing plate 22 is opened, the document is set downward on the contact glass 21 disposed on the upper surface of the downward document reading unit 20, the document pressing plate 22 is closed, and the operation panel 130 is closed. When a reading key such as is pressed, a downward document is scanned and read.

  As shown in FIGS. 2 and 3, the hinge portion 123 is shorter in the width direction of the apparatus main body 1 (left and right width when viewed from the front of the multi-function device main body) than the document pressing plate 22 and is centered in the width direction. Is arranged. And the support | pillar part 121 divided | segmented into right and left is installed so that the hinge part 123 may be pinched | interposed in the width direction. As a result, the document pressing platen 22 can be arranged in front of the upward document reading unit 120. Here, since the column portion 121 is not disposed on the document pressing plate 22, but is disposed on the upper surface of the apparatus main body 1, even when the document pressing plate 22 rotates, the column 121 is formed as shown in FIG. Does not move to the rear of the MFP. Accordingly, it is possible to suppress the installation space from being enlarged behind the multifunction device main body. Further, the document pressing pressure plate 22 becomes lighter than the conventional configuration in which the column portion 121 is disposed on the document pressing pressure plate 22, and the force for opening and closing the document pressing pressure plate 22 can be reduced. In addition, the shaking and distortion of the support column 121 that cause image blur due to the opening / closing operation of the document pressing platen 22 are eliminated. Thereby, the shake of the camera 125a when picking up an upward document can be reduced, and the image pickup operation can be quickly performed as compared with the conventional configuration in which the image pickup operation cannot be started until the shake is suppressed.

(Example 2)
Next, another example of the above embodiment (hereinafter, this example is referred to as “Example 2”) will be described.
FIG. 4 is an overall perspective view of the second embodiment with the document pressing platen closed. FIG. 5 is an overall perspective view of the document pressing plate according to the second embodiment with the document pressing plate open upward.
As shown in FIGS. 4 and 5, in the second embodiment, when the left and right widths of the contact glass 21 and the document presser pressure plate 22 as viewed from the front of the multifunction device main body are smaller than the full width of the multifunction device main body, the contact glass 21. Further, a support column 121 that is divided into left and right so as to sandwich the document pressing plate 22 is installed, and an imaging unit 125 is provided in the center of the beam unit that connects the support column 121. Even in the configuration of the second embodiment, the support column 121 is not disposed on the document pressing plate 22 but is disposed on the upper surface of the apparatus main body 1. Therefore, even if the document pressing plate 22 rotates, as shown in FIG. In addition, the column portion 121 does not move to the rear of the multifunction device main body. As a result, as in the first embodiment, it is possible to prevent the installation space from being enlarged behind the multifunction device main body. Furthermore, since the column portion 121 is installed so as to sandwich the contact glass 21 and the document pressing plate 22, the upward document reading unit 120 can be disposed forward compared to the configuration of the first embodiment.

  Further, the second embodiment has a structure in which a beam portion that fixes the imaging unit 125 is sandwiched between two support columns 121. Thereby, not only can the support rigidity of the imaging unit 125 be improved, but also the amount by which the imaging unit 125 protrudes forward can be reduced. Therefore, for example, even when the operator sets the document on the document placing table 126 upward, even if the document is brought into contact with the column unit 121, the column unit 121 may not be shaken compared to the first embodiment of the cantilever structure protruding forward. Distortion can be reduced, and camera shake when an upward document is imaged can be reduced.

(Example 3)
Next, another example of the above embodiment (hereinafter, this example will be referred to as “Example 3”) will be described.
FIG. 6 is an overall perspective view of the third embodiment with the document pressing platen closed. FIG. 7 is an overall perspective view of the document pressing pressure plate according to the third embodiment with the document pressing pressure plate opened upward.

  As shown in FIGS. 6 and 7, in Example 3, when the upper surface space of the multifunction device main body from the rear end surface of the contact glass 21 to the rear end surface of the multifunction device main body is large, the support column 121 can be removed in the upper surface space. It is installed in. That is, the support column 121 is installed on the upper surface of the apparatus main body 1 at a location behind the installation location of the hinge portion 123 of the document pressing plate 22. Here, in the third embodiment, a single column portion 121 extending in the vertical direction that is thicker than the column portions 121 of the first and second embodiments is used, and the camera cover portion 125b extends forward from the column portion 121. Is provided. Further, a monitor (screen) 134, which will be described in detail later, is provided on a part of the front surface of the support column 121. Even in the configuration of the third embodiment, since the support column 121 is not arranged on the document pressing plate 22 but on the upper surface of the apparatus main body 1, even if the document pressing plate 22 rotates, as shown in FIG. In addition, the column portion 121 does not move to the rear of the multifunction device main body. As a result, it is possible to suppress the installation space from being increased behind the multifunction device main body.

  As shown in FIGS. 8 to 10, in Embodiment 3, it is possible to attach and detach the column body 121 and the fastening portion 122 to and from the apparatus main body 1. FIG. 8 is a partial perspective view as seen from the rear side of the multifunction machine when the column part 121 and the fastening part 122 integrated in the third embodiment are removed from the multifunction machine body. FIG. 9 is a partial perspective view as seen from the rear of the multi-function peripheral when the column portion 121 and the fastening portion 122 in the third embodiment are integrated to the main body of the multi-function peripheral. FIG. 10A is a partial perspective view of only the multifunction machine main body when the combination of the column portion 121 and the fastening portion 122 is removed from the multifunction machine main body, and FIG. FIG. 10C is a partial perspective view when the presser pressure plate 22 is not shown in order to show a hinge portion when the presser pressure plate 22 is attached to the main body. FIG. 10D is a partial perspective view when the original presser pressure plate 22 and the unit in which the column portion 121 and the fastening portion 122 are integrated with the MFP body, and FIG. 10E is the column in the MFP body. 6 is a partial perspective view when the document presser pressure plate 22 is not shown in order to show the upper surface of the multifunction machine when the unit 121 and the fastening unit 122 are integrated and the document presser pressure plate 22 is attached. FIG.

  As shown in FIGS. 8, 9, and 10, the upward document reading unit 120 is configured as a single unit in which a column part 121 and a fastening part 122 are integrated, and is independent of the document pressing plate 22. . Further, the upward document reading unit 120 is detachably fixed to the upper surface of the apparatus main body 1 by screwing the attachment plate 122a of the fastening part 122 to the fastened part 141 on the apparatus main body 1 side with screws 122b. Therefore, the upward document reading unit 120 can be added later as an option to a multifunction peripheral that is used without the upward document reading unit 120. Note that the operation panel control board of the operation panel 130 and the camera control board of the camera can be connected by inserting the cable of the wiring part 124 from the insertion part 128 provided on the rear surface of the apparatus main body 1. Further, when the upward document reading unit 120 is not attached, a removable cover may be attached to the insertion portion 128 in order to prevent foreign matter from entering from the insertion portion 128. As shown in FIGS. 10B and 10C, the mounting plate 140b of the fastening portion 140 including the hinge portion 123 is attached to the device main body 1 in the state shown in FIG. The document pressing pressure plate 22 is attached to the fastened portion 141. Then, as shown in FIGS. 10D and 10E, the attachment plate 122a of the fastening portion 122 of the upward document reading unit 120 is fixed to the fastening portion 140 of the document pressing pressure plate 22 with screws 122b, and the upward direction. The document reading unit 120 is attached to the apparatus main body 1. Further, the document pressing plate 22 and the hinge portion 123 can be easily separated. Thereby, even if at least one of the document pressing plate 22 and the hinge portion 123 is damaged, it can be individually replaced. In addition, the fastening part 122 and the fastening part 140 may be integrated so as to be split by screw fastening, or the fastening part 122 and the fastening part 140 may be integrally formed (integrated molding).

  Also, as shown in FIGS. 11 to 14, in the third embodiment, an apparatus in which the document pressing pressure plate 22, the column part 121, and the fastening part 122 are integrated can be attached to and detached from the apparatus main body 1. FIG. 11 is a partial perspective view seen from the rear side of the multifunction machine when the original presser pressure plate 22, the column part 121, and the fastening part 122 in Example 3 are removed from the multifunction machine body. FIG. 12 is a partial perspective view seen from the rear side of the multifunction machine when the document pressing pressure plate 22, the column part 121, and the fastening part 122 in the third embodiment are integrated into the multifunction machine body. FIG. 13 is a schematic diagram showing the inside of the support column and the wiring unit. FIG. 14 is a partial perspective view of the original presser pressure plate 22, the column portion 121, and the fastening portion 122 of Example 3 as seen from the back side.

  As shown in FIGS. 11, 12, 13, and 14, the upward document reading unit 120 is configured by integrating the document pressing pressure plate 22, the column part 121, and the fastening part 122, and is independent of the multifunction machine main body. doing. The upward document reading unit 120 is detachably fixed to the upper surface of the MFP main body by a fastening portion 122 and a fastened portion 141 on the apparatus main body 1 side. Specifically, the attachment plate 122a is provided with a hinge portion, and the document pressing pressure plate 22 is fixed to the fastened portion 141 on the apparatus main body 1 side with a screw 122b via the hinge portion. The upward document reading unit 120 is detachably fixed to the upper surface of the apparatus main body 1 by a fastening portion 122. In addition, the connection plug 132 attached below the fastening portion 122 is inserted into the insertion portion 131 in the process of fixing the upward document reading unit 120 to the multifunction device main body, and the operation panel control board and the camera control board of the operation panel 130. 133 can be connected.

  Furthermore, if the camera control board is provided in a portion that extends forward from the support column 121 and fixes the imaging unit 125, the weight of the portion becomes heavy, which promotes shaking and distortion. Therefore, as shown in FIG. 13, by attaching the camera control board 133 to the inside of the vertical portion of the column portion 121, the weight of the portion where the imaging unit 125 is provided is avoided, and the portion is shaken or distorted. Can be suppressed. Further, by making the upward document reading unit 120 independent of the apparatus main body 1, the upward document reading unit 120 can be added later as an option to a multifunction peripheral that is used without the upward document reading unit 120. it can.

In the configurations of FIGS. 8 to 10 and FIGS. 11 to 14, the supporting column 121 is not disposed on the document pressing plate 22 but on the upper surface of the apparatus main body 1. Even if it rotates, the column part 121 does not move to the rear of the multifunction machine main body. As a result, it is possible to suppress the installation space from being increased behind the multifunction device main body.
Further, the document pressing pressure plate 22, the column portion 121, and the fastening portion 122 constitute an upward document reading unit 120 in advance and then the document pressing pressure plate 22 is attached to the apparatus main body 1. Thereby, the time required for the apparatus main body attaching work can be shortened as compared with the case where the document pressing pressure plate 22, the column part 121 and the fastening part 122 are individually attached to the apparatus main body 1. In addition, the number of parts that cause an increase in cost and weight can be reduced.

Example 4
Next, another example of the above embodiment (hereinafter, this example is referred to as “Example 4”) will be described.

  FIG. 15 is a partial perspective view illustrating a partial configuration of the image reading apparatus according to the fourth embodiment. FIG. 16 is a partial perspective view as seen from the rear of the multi-function device when the column portion 121 and the fastening portion 122 in the fourth embodiment are integrated from the apparatus main body. FIG. 17 is a partial perspective view as seen from the rear of the multi-function peripheral when the column portion 121 and the fastening portion 122 in the fourth embodiment are integrated to the main body of the multi-function peripheral.

  As shown in FIG. 15, in the fourth embodiment, an automatic document transport unit 300 is installed on the upper surface of the upward document placing plate 303. The automatic document transport unit 300 includes a document setting unit 301 for setting a bundle of documents, a paper discharge tray 302 for discharging a document after scanning, a document transporting document to a downward document reading unit, and a document after scanning. The apparatus includes a document conveyance unit provided with a conveyance roller and the like for conveyance to the paper discharge tray 302 inside the main body of the automatic document conveyance unit. Further, the automatic document feeder unit 300 plays a role of pressing a downward document from above. Further, also in the fourth embodiment, as shown in FIGS. 16 and 17, the support column 121 is provided on the upper surface of the apparatus main body 1 at a location different from the automatic document transport unit 300 and the upward document placing plate 303. It has been.

  In the fourth exemplary embodiment, the upward document reading unit 120 is configured as a single unit by integrating the column portion 121 and the fastening portion 122. Further, the upward document reading unit 120 is detachably fixed to the upper surface of the apparatus main body 1 on the rear side of the automatic document conveying unit 300 by screwing the mounting plate 122a of the fastening portion 122 to the apparatus main body 1 side with screws 122b. Is done. Therefore, the upward document reading unit 120 can be added later as an option to a multifunction peripheral that is used without the upward document reading unit 120. Note that the operation panel control board of the operation panel and the camera control board of the camera can be connected by inserting the cable of the wiring part 124 from the insertion part 128 provided on the rear surface of the apparatus main body 1.

  Further, since the column portion 121 is arranged on the upper surface of the apparatus main body 1, the column portion 121 does not move to the rear of the MFP main body even if the automatic document feeder unit 300 or the upward document placing plate 303 pivots. do not do. As a result, it is possible to suppress the installation space from being increased behind the multifunction device main body. Further, the automatic document conveying unit 300 and the upward document placing plate 303 become lighter than the conventional configuration in which the support column 121 is disposed on the automatic document conveying unit 300 or the upward document placing plate 303, and automatic document transportation is performed. Less force is required to open and close the unit 300 and the upward document placing plate 303. Furthermore, the shaking and distortion of the support column 121, which cause image blur due to the opening / closing operation of the automatic document feeder unit 300 and the upward document placing plate 303, are eliminated. Thereby, camera shake when capturing an image of an upward document can be reduced, and the image capturing operation can be performed quickly compared to the conventional configuration in which the image capturing operation cannot be started until the shake is suppressed.

  Further, the automatic document feeder unit 300 and the upward document placing plate 303 are pivoted by a hinge portion having the same opening / closing rotation shaft. The number of parts and the cost can be reduced as compared with the configuration in which the rotation shafts are individually provided to open and close the automatic document conveyance unit 300 and the upward document placing plate 303. Further, if the opening and closing rotation axes are the same, position adjustments such as alignment can be easily performed by determining the sizes of the automatic document conveyance unit 300 and the upward document placing plate 303 with reference to the opening and closing rotation axes. become. However, the hinge part from which a rotating shaft of opening and closing mutually differs may be sufficient. The automatic document conveyance unit 300 and the upward document placing plate 303 are integrally pivoted to open and close by an opening / closing module described later, or the automatic document transportation unit 300 is separated from the upward document placing plate 303 and pivoted. To open and close. A document placement table for placing an upward document is formed on the upper surface of the upward document placement plate 303, and a conveyance path for conveying a document sheet is provided inside the upward document placement plate 303 as will be described later. Yes. The upward document reading unit 120 is detachably fixed to the upper surface of the apparatus main body 1 by a fastening portion 122. In addition, a notch groove 136 is provided at the lower end portion of the support column 121 and is used for passing the wiring portion 124 of the automatic document feeder unit 300, so that the wiring can be prevented from being crushed.

  FIG. 18A is a perspective view for explaining the configuration of the open / close module when the automatic document feeder unit 300 is viewed from below, and FIG. 18B is an enlarged view of a portion surrounded by a dotted line in FIG. . FIG. 19 is an overall perspective view of the automatic document conveyance unit 300 according to the fourth embodiment with the upper portion opened upward. FIG. 20 is a partial perspective view of the automatic document feeder unit 300 according to the fourth embodiment when the automatic document feeder unit 300 is opened upward. FIG. 21 is a partial perspective view of the automatic document conveyance unit 300 and the upward document placing plate 303 according to the fourth embodiment with the upward opening.

  As shown in FIG. 18A, the opening / closing module 310 is a module for opening / closing the automatic document feeder unit 300 and the upward document placing plate 303. The opening / closing module 310 includes a first opening / closing handle 311, a second opening / closing handle 312, a connection release lever 313, a rotating shaft 314, and a hook portion 315. As shown in FIG. 20, a second opening / closing handle 312 is provided at the center on the lower surface of the front side of the automatic document feeder unit 300. As shown in FIG. 18, the second opening / closing handle 312 includes a recess formed on the lower surface of the automatic document conveyance unit 300, and includes a connection release lever 313 in the recess. The connection release lever 313 is attached to a part of the peripheral surface of the rotation shaft 314, and the rotation shaft 314 rotates as the connection release lever 313 rotates. Hook portions 315 are respectively attached to part of the peripheral surfaces of both end portions of the rotation shaft 314, and the hook portions 315 also rotate as the rotation shaft 314 rotates. As shown by a solid line in FIG. 18B, the hook portion 315 engages with a hook portion provided in a concave portion 316 provided on the upper surface of the upward document placing plate 303, thereby enabling an automatic document conveyance unit. 300 and the upward document placing plate 303 are connected. The hook portion 315 is biased by a spiral spring or the like wound around the outer periphery of the rotation shaft 314 so as to be engaged with the hook portion in the recess 316.

  When reading an upward document, the user lifts the second opening / closing handle 312 while grasping the connection release lever 313 on the back side of the first opening / closing handle 311, as shown by a dotted line in FIG. In addition, the connection release lever 313 rotates and the rotation shaft 314 rotates. Then, the hook unit 315 is released from the hooked portion in the concave portion 316 of the upward document placing plate 303 and released, and the automatic document transport unit 300 and the upward document placing plate 303 are separated from each other. When only the automatic document feeder unit 300 is opened upward, as shown in FIGS. 19 and 20, an upward document placing plate 303 on which an upward document is set appears, and the upward document can be read. For reading an upward document, the document reading surface side is set upward on the document placing table 126 on the upper surface of the upward document placing plate 303. When a reading key on the operation panel 130 or the like is pressed, an upward original is imaged by the upward original reading unit 120.

  When reading a downward document, the user grasps the first opening / closing handle 311 on the front side of the upward document placement plate 303 and opens both the automatic document conveyance unit 300 and the upward document placement plate 303 upward. . At this time, the hook portion 315 is engaged with the hook portion in the concave portion 316 of the upward document placing plate 303 so that the automatic document transport unit 300 and the upward document placing plate 303 are connected. The automatic document feeder unit 300 and the upward document placing plate 303 are integrally pivoted. Then, when the automatic document feeder unit 300 and the upward document placing plate 303 are opened upward, as shown in FIG. 21, the contact glass 21 for setting the downward document appears, and the downward document can be read. To read the downward document, the document reading surface side is set downward on the contact glass 21, the automatic document transport unit 300 and the upward document placing plate 303 are closed, and a reading key such as the operation panel 130 is pressed, the downward document is read. Is scanned and read.

  Note that the upward document placement plate 303 or the automatic document transport unit 300 and the upward document placement plate 303 have an opening angle of 80 degrees to 90 degrees as viewed from the side, and can be kept open. Further, the coupling mechanism is composed of a key claw-shaped hook portion 315 that switches between coupling and release by pivoting the shaft by lever operation of the coupling release lever 313 and a recess 316 that receives the hook portion 315. You may comprise with the electromagnet which switches connection and cancellation | release, an iron plate, etc. Further, the first opening / closing handle 311 and the second opening / closing handle 312 have a first opening / closing handle 311 arranged on the back side and a second opening / closing handle 312 on the front side in a common recess having the same opening on the front surface. However, the arrangement may be changed to the left and right. Furthermore, the recessed part which arrange | positions the 1st opening / closing handle 311 and the recessed part which arrange | positions the 2nd opening / closing handle 312 are provided separately, for example, you may arrange | position each recessed part on the right and left of the front.

FIG. 22 is a partial cross-sectional view illustrating the configuration of the automatic document feeder unit 300 and the upward document placing plate 303. In FIG. 22, conveyance units such as a drive motor and a conveyance roller are provided inside the automatic document conveyance unit 300, but are omitted. The automatic document conveyance unit 300 shown in FIG. 22 includes a mechanism for reading the reading surface of the document sheet at the same time when the document sheet is conveyed, but is not limited thereto.
As shown in FIG. 22, a conveyance path 320 for conveying the document sheet is formed in the automatic document conveyance unit 300 and the upward document placing plate 303. Then, when the original sheet reading surface is set to the original setting unit 301 with the reading surface facing upward and the original reading start button on the operation panel is pressed, the original sheet is conveyed in the direction of arrow A along the conveyance path 320. The document sheet passes through the openings 321, 322, and 323 in this order, and is conveyed through the openings 324 and 325 and 326 in the second half of the U-turn. When the original sheet is exposed between the opening 323 and the opening 324 of the upward original placing plate 303, the original sheet reading surface is line-scanned by the original reading sensor 330 shown in FIG. If the back side of the document sheet is also read simultaneously, line scanning is performed by the document reading sensor 331 when the document sheet returns to the inside of the automatic document transport unit 300 after reading the front side of the document sheet. Then, the original sheet on which the reading surface or both sides are read is discharged to the discharge tray 302. The read image data is supplied to the exposure device of the image forming unit by the wiring unit, and a visible image is formed by the image forming unit based on the image data. The visible image is transferred and fixed on the sheet fed by the sheet feeding unit, and the fixed sheet is ejected to the sheet ejection unit. As described above, the document reading operation and the image forming operation are performed, and the document is copied.

(Modification)
Next, a modification of the above embodiment will be described.
FIG. 23 is an overall perspective view of a modified example of the document pressing plate which is closed.
As shown in FIG. 23, in the modification, a monitor (screen) 134 serving as a display unit is provided on the front surface of the support column 121. If an image photographed by the camera of the upward document reading unit 120 is displayed on the monitor 134 in real time, it can be easily understood that the document is out of the photographing range or the document is inclined when the document is set upward. Document alignment can be performed, and problems in document reading can be prevented in advance. Further, since the set reference for the upward document is the center of the document alignment unit 127, the operator's consciousness is naturally directed there. For this reason, it is preferable that the position of the monitor 134 be as close as possible because it can be operated without a sense of incongruity and there is little fatigue. The positions of the monitor 134 are the front surface of the support column 121 and the front surface of the image capturing unit 125, but the front of the support column unit 121 is closer to the center of the document alignment unit 127 and is easier to see than the front surface of the image capturing unit 125. . Since the lower part closer to the center of the document alignment unit 127 is easier to see at the upper part and lower part of the front surface of the column part 121, the monitor 134 is disposed at the position shown in FIG. Furthermore, it is preferable that the monitor 134 is provided so as to have an angle upward rather than vertical so that the screen faces the operator's line of sight. The angle is set based on the height of the column portion 121 from the top surface of the multifunction device, the length of the portion of the column portion 121 extending in front of the multifunction device, the height of the operator's line of sight, and the like. For example, about 10 degrees is appropriate.

  Moreover, the support | pillar part 121 may be made into the upper end bending part 135 which the front protrusion of the imaging part 125 reduces by inclining the upper end side. As shown in FIG. 1, FIG. 4, FIG. 6, FIG. 8, and FIG. 11, the support unit 121 is bent once at a right angle from the vertical direction to extend the support unit 121 horizontally and forward, and the imaging unit 125 is fixed to the tip. Is desirable in the following points. That is, for example, as shown in FIG. 23, the structure in which the upper end bent portion 135 of the support column 121 is bent twice at an obtuse angle and the imaging unit 125 is fixed to the tip can reduce the length of the support column. It is possible to reduce the forward protrusion of the imaging unit 125 that causes blurring, or to lighten the portion that fixes the imaging unit 125. The camera cover portion 125b may tilt the front surface 125c and the left and right surfaces 125d when viewed from the front of the multifunction peripheral 100. Further, as shown in FIG. 1, FIG. 4, FIG. 6, FIG. 8, and FIG. 11, the upper surface 125e of the camera cover 125b is, for example, as shown in FIG. Is curved in a convex shape, or the front, rear, left and right are inclined downward. Thereby, it is possible to prevent an object from being placed on the camera cover portion 125b, and it is possible to reduce shaking and distortion of the column portion 121, which cause image blurring.

What was demonstrated above is an example, and there exists an effect peculiar for every following aspect.
(Aspect A)
A mounting table such as a contact glass 21 on which a reading medium is mounted, and a reading unit such as a downward document reading unit 20 that optically reads the reading medium mounted on the mounting table from below through the mounting table. And a pressing member such as a rotatable document pressing pressure plate 22 that presses the reading medium placed on the mounting table onto the mounting table, and a top surface of the pressing member in a state where the pressing member is closed. In the image reading apparatus including the imaging unit 125 that images the read reading medium from above and the column unit 121 that fixes the imaging unit, the column unit is an upper surface of the image reading apparatus main body, and the pressing member It is characterized by being provided at a different location.
According to this aspect, the support column is provided on the upper surface of the image reading apparatus main body at a location different from the pressing member. Therefore, in contrast to the conventional configuration in which the presser member and the support column are integrally provided and the support member moves together when the presser member rotates, in this aspect, the support column does not rotate even if the presser member rotates. As a result, there is no event of protruding from the main body of the image reading apparatus due to the rotation of the column portion along with the rotating pressing member. Therefore, the expansion of the installation space of the image reading apparatus main body can be suppressed.

(Aspect B)
An apparatus main body, a first mounting table such as a contact glass 21 provided on the apparatus main body for mounting a reading medium, and a downward document for optically reading the reading medium mounted on the first mounting table A reading unit such as a reading unit 20 and the first mounting table are installed on the first mounting table, are rotatable with respect to the first mounting table, and the first document mounting table 126 and the like on which the reading medium is mounted. A mounting plate 303 on which a second mounting table is formed, a third mounting table such as a document setting unit 301 on which the reading medium is mounted, and the reading medium mounted on the third mounting table. A transport unit such as an automatic document transport unit 300 having a transport unit transported to the reading unit, and a discharge tray such as a paper discharge tray 302 on which the read medium discharged from the transport unit is placed; An image pickup unit 1 for picking up an image of the reading medium placed on a table from above 5 and a supporting column 121 for fixing the imaging unit, the transport unit is installed on the mounting plate, and is rotatable with respect to the mounting plate. The upper surface of the apparatus main body is provided at a location different from the mounting plate and the transport unit.
In the image reading apparatus disclosed in Patent Document 1, a column part provided with an imaging unit is located above a base part on the back side of a document pressing cover that is a pressing member that can press a document as a reading medium from above and rotate the shaft. It is provided to extend to. An imaging unit is provided in a portion extending to the near side. When reading the document face down, when the shaft is pivoted so as to open the document presser cover upward, a portion extending upward from the base portion of the column portion protrudes to the rear of the image reading apparatus main body. Therefore, it is necessary to secure the protruding space, and the installation space for the image reading apparatus main body is increased. In addition, if a document transporting section that can be pivoted is provided above the document holding cover and a supporting column is provided in the document transporting section, when the document is read downward, the document transporting section is pivoted to open upward. Thereafter, the shaft is rotated so as to open the document pressing cover upward. Also in this case, the portion extending upward from the base portion of the support column protrudes to the rear of the image reading apparatus main body, and the installation space for the image reading apparatus main body increases.
According to this aspect, in contrast to the conventional configuration in which the document conveyance unit and the column unit are integrally provided and the column conveyance unit rotates together with the axis of the document conveyance unit, in this mode, the reading medium is viewed from below. Even if the transport unit and the mounting table are pivoted so as to open upward when reading, the support column does not pivot. As a result, there is no event that the supporting column portion pivots along with the document conveying portion that pivots and thereby protrudes from the image reading apparatus main body. Therefore, the expansion of the installation space of the image reading apparatus main body can be suppressed.

(Aspect C)
In (Aspect A), the column portion is closer to the front side of the image reading device body than a shaft rotating portion such as a hinge portion 123 for opening and closing the pressing member provided on the inner side of the image reading device body. Is provided.
According to this aspect, a space for installing the support column is not required behind the shaft rotating portion for opening and closing the pressing member, and the image reading device main body can be downsized. Therefore, the expansion of the installation space of the image reading apparatus main body can be suppressed.

(Aspect D)
In (Aspect A) to (Aspect C), the support column is provided so as to fit within a vertical projection portion of the image reading apparatus main body.
According to this aspect, since it can be fixed to the upper surface of the image reading apparatus main body so as not to interfere with the pressing member, it is possible to suppress an increase in installation space of the image reading apparatus main body.

(Aspect E)
In (Aspect A) to (Aspect E), the support column includes a display unit such as a monitor 134 that is electrically connected to the imaging unit.
According to this aspect, when the document is set upward, it can be seen that the image is out of the shooting range and the document is tilted. Thereby, it is possible to easily align the originals, and it is possible to prevent problems in original reading in advance.

(Aspect F)
In (Aspect E), the display unit is a front surface of the support column and is provided on the lower end side opposite to the upper end side to which the imaging unit is fixed. .
According to this aspect, it is possible to make the screen of the display unit easier to see by setting the screen of the display unit to a lower part closer to the center of the portion for aligning the document.

(Aspect G)
In (Aspect E) or (Aspect F), the screen of the display unit is inclined so as to face the upper front side of the screen.
According to this aspect, the screen of the display unit can be easily viewed by facing the screen of the display unit directly to the operator's line of sight.

(Aspect H)
In (Aspect A) to (Aspect G), a part of the column portion is bent toward the front side of the image reading apparatus main body.
According to this aspect, it is possible to reduce the shaking and distortion of the support column that cause image blurring.

(Aspect I)
In (Aspect A) to (Aspect H), a part of the upper surface of the support column is inclined with respect to a horizontal plane.
According to this aspect, it is possible to prevent an object from being placed on the column portion to which the imaging unit is fixed, and to reduce shaking and distortion of the column unit that cause image blur when an upward document is imaged. it can. Therefore, the imaging operation can be performed promptly and the operability can be improved as compared with the conventional configuration in which the imaging operation cannot be started until the shaking of the imaging unit is stopped.

(Aspect J)
In (Aspect A) to (Aspect I), the pressing member includes an alignment unit such as a document alignment unit 127 that aligns the object to be imaged placed on the upper surface of the pressing member. It is characterized by.
According to this aspect, it becomes a standard that the position of the document is out of the shooting range or the document is tilted, and it is possible to prevent problems in document reading in advance.

(Aspect K)
In (Aspect B), the conveyance unit includes a connection mechanism for connecting to the mounting plate.
According to this aspect, the downward document reading unit, the upward document reading unit, and the automatic document transport unit can be selectively added to the image forming apparatus main body as an option without changing the configuration and functions of the image forming apparatus main body. . And according to a user's needs, the following functions and forms can be changed selectively. That is, only downward document reading by the document pressing member, only downward document reading by automatic document conveyance, downward document reading and upward document reading by the document pressing member, and downward document reading and upward document reading by automatic document conveyance are selectively performed. Can be changed.

(Aspect L)
In (Aspect K), the transport unit and the mounting plate can be individually opened and closed.
According to this aspect, the transport unit is relatively heavy, and the burden on the user can be reduced by opening and closing only the relatively light mounting table with the transport unit opened upward.

(Aspect M)
In (Aspect K) or (Aspect L), the rotation axis of the transport unit and the mounting plate is the same.
According to this aspect, it is possible to reduce the number of parts and the cost as compared with the configuration in which the rotation shaft is individually provided to open and close the transport unit and the mounting table. Furthermore, if the rotation axes are different, it is difficult to adjust the position such as matching the positions and engagement positions when the transport unit and the mounting table are individually or integrally opened and closed. On the other hand, if the rotation axes are the same, position adjustment such as alignment can be easily performed by determining the sizes of the transport unit and the mounting table based on the rotation axes.

(Aspect N)
In (Aspect K) to (Aspect M), a handle such as a first opening / closing handle 311 that grips at least one of the transport unit and the mounting plate is provided.
According to this aspect, at least one of the transport unit and the mounting table can be opened and closed.

(Aspect O)
In (Aspect K) to (Aspect N), a release lever such as a connection release lever 313 for releasing the connection by the connection mechanism is provided in a recess that forms the handle.
According to this aspect, even the transport unit and the mounting table, or only the separated transport unit, can be easily opened upward, and the separated mounting table can be easily integrated again.

(Aspect P)
A mounting table on which the reading medium is mounted, a reading unit that optically reads the reading medium mounted on the mounting table from below through the mounting table, and an image forming unit that forms an image on the recording medium And a rotatable pressing member that presses the reading medium placed on the mounting table onto the mounting table, and images the reading medium placed on the upper surface of the holding member in a closed state from above. In the image forming apparatus including an imaging unit and a column unit that fixes the imaging unit, the column unit is provided on a top surface of the main body of the image forming apparatus and at a location different from the pressing member. It is a thing.
According to this aspect, the expansion of the installation space of the image forming apparatus can be suppressed.

(Aspect Q)
An apparatus main body; a first mounting table provided on the apparatus main body for mounting a reading medium; a reading unit for optically reading the reading medium mounted on the first mounting table; And a mounting plate on which a second mounting table on which the reading medium is mounted is formed, and the reading medium is mounted on the mounting table. A third mounting table to be placed, a transport unit for transporting the reading medium placed on the third mounting table to the reading unit, and a discharge table for placing the reading medium ejected from the transport unit An image pickup unit that picks up an image of the reading medium mounted on the second mounting table from above, a support column that fixes the image pickup unit, and an image forming unit that forms an image on a recording medium The transport unit is installed on the mounting plate, and is rotatable with respect to the mounting plate. Serial strut, a top surface of the apparatus main body, is characterized in that provided at different positions from the mounting plate and the transport unit.
According to this aspect, the expansion of the installation space of the image forming apparatus can be suppressed.

DESCRIPTION OF SYMBOLS 1 Apparatus main body 10 Image forming unit 11 Image carrier 12 Charging device 13 Developing device 14 Cleaning device 15 Lubricant coating device 16 Exposure device 20 Downward document reading unit 21 Contact glass 22 Document pressing pressure plate 23 First traveling body 24 Second traveling body 25 Imaging lens 26 Reading sensor 30 Transfer unit 31 Intermediate transfer belt 40 Secondary transfer device 50 Fixing unit 60 Conveying belt 70 Paper feed unit 80 Duplex unit 90 Paper discharge unit 100 Multi-function device 120 Upward document reading unit 121 Post unit 122 Fastening unit 122a Mounting plate 122b Screw 123 Hinge part 124 Wiring part 125 Imaging part 125a Camera 125b Camera cover part 126 Document placement table 127 Document positioning part 128 Cable insertion part 129 Connection plug 130 Operation panel 131 Plug insertion part 13 2 Connection plug 133 Camera control board 134 Monitor 135 Upper bent portion 136 Notch groove 140 Fastening portion 140a Screw 140b Mounting plate 141 Fastened portion 200 Image reading device 300 Automatic document conveying unit 301 Document setting portion 302 Paper discharge tray 303 Upward document placement Placement plate 310 Opening / closing module 311 First opening / closing handle 312 Second opening / closing handle 313 Connection release lever 314 Rotating shaft 315 Hook 316 Recess 320 Conveying path 321 Opening 322 Opening 323 Opening 324 Opening 325 Opening 326 Opening 330 Document reading sensor 331 Document reading sensor

JP 2007-104339 A

Claims (17)

A mounting table on which the reading medium is mounted, a reading unit that optically reads the reading medium mounted on the mounting table from below through the mounting table, and the reading mounted on the mounting table A rotatable pressing member that presses the medium onto the mounting table, an imaging unit that images the reading medium placed on the upper surface of the pressing member in a closed state, and a column unit that fixes the imaging unit In an image reading apparatus comprising:
The image reading apparatus, wherein the support portion is provided on a top surface of the main body of the image reading apparatus and at a location different from the pressing member. The device body;
A first mounting table provided in the apparatus main body for mounting a reading medium;
A reading unit that optically reads the reading medium mounted on the first mounting table;
A mounting plate installed on the first mounting table and rotatable with respect to the first mounting table; and a second mounting table on which the reading medium is mounted; and the reading A third mounting table for mounting a medium; a transport unit for transporting the reading medium mounted on the third mounting table to the reading unit; and the reading medium ejected from the transport unit. A transport unit having a discharge table for
An imaging unit that images the reading medium placed on the second placement table from above;
A support column for fixing the imaging unit;
The transport unit is installed on the mounting plate, and is rotatable with respect to the mounting plate.
The image supporting apparatus according to claim 1, wherein the column portion is provided on a top surface of the apparatus main body at a location different from the mounting plate and the transport unit. The image reading apparatus according to claim 1.
The image is characterized in that the column portion is provided on the front side of the image reading device main body with respect to a shaft rotating portion for opening and closing the pressing member provided on the back side of the image reading device main body. Reader. The image reading apparatus according to any one of claims 1 to 3,
The image reading apparatus according to claim 1, wherein the support portion is provided so as to fit within a vertical projection portion of the main body of the image reading apparatus. The image reading apparatus according to any one of claims 1 to 4,
The image reading apparatus, wherein the support unit includes a display unit electrically connected to the imaging unit. The image reading apparatus according to claim 5.
The image reading apparatus according to claim 1, wherein the display unit is provided on a front surface of the support column and on a lower end side opposite to an upper end side on which the imaging unit is fixed. The image reading apparatus according to claim 5 or 6,
The image reading apparatus according to claim 1, wherein the screen of the display unit is inclined so as to face an upper front side of the screen. In the image reading device according to any one of claims 1 to 7,
An image reading apparatus according to claim 1, wherein a part of the column portion to which the imaging unit is fixed is bent in a front direction of the image reading apparatus main body. In the image reading device according to any one of claims 1 to 8,
The image reading apparatus according to claim 1, wherein a part of the upper surface of the support portion is inclined with respect to a horizontal plane. The image reading apparatus according to any one of claims 1 to 9,
The image reading apparatus according to claim 1, wherein the pressing member includes an alignment unit that aligns the reading medium placed on the upper surface of the pressing member. The image reading apparatus according to claim 2,
An image reading apparatus comprising a connecting mechanism for connecting the transport unit to the mounting plate. The image reading apparatus according to claim 11.
An image reading apparatus, wherein the transport unit and the mounting plate can be individually opened and closed. The image reading apparatus according to claim 11 or 12,
An image reading apparatus characterized in that the transport unit and the mounting plate have the same rotation axis. The image reading apparatus according to any one of claims 11 to 13,
An image reading apparatus comprising a handle for gripping at least one of the transport unit and the mounting plate. The image reading apparatus according to any one of claims 11 to 14,
An image reading apparatus, wherein a release lever for releasing the connection by the connection mechanism is provided in a recess that forms the handle. A mounting table on which the reading medium is mounted, a reading unit that optically reads the reading medium mounted on the mounting table from below through the mounting table, and an image forming unit that forms an image on the recording medium And a rotatable pressing member that presses the reading medium placed on the mounting table onto the mounting table, and images the reading medium placed on the upper surface of the holding member in a closed state from above. In an image forming apparatus including an imaging unit and a support column unit that fixes the imaging unit,
2. The image forming apparatus according to claim 1, wherein the support portion is provided on a top surface of the main body of the image forming apparatus and at a location different from the pressing member. The device body;
A first mounting table provided in the apparatus main body for mounting a reading medium;
A reading unit that optically reads the reading medium mounted on the first mounting table;
A mounting plate installed on the first mounting table and rotatable with respect to the first mounting table; and a second mounting table on which the reading medium is mounted; and the reading A third mounting table for mounting a medium; a transport unit for transporting the reading medium mounted on the third mounting table to the reading unit; and the reading medium ejected from the transport unit. A transport unit having a discharge table for
An imaging unit that images the reading medium placed on the second placement table from above;
A support column for fixing the imaging unit;
An image forming unit for forming an image on a recording medium,
The transport unit is installed on the mounting plate, and is rotatable with respect to the mounting plate.
The image supporting apparatus according to claim 1, wherein the column portion is provided on a top surface of the apparatus main body at a location different from the mounting plate and the transport unit.

Images