WO2014083840A1 - Dispositif de transport de feuille - Google Patents
Dispositif de transport de feuille Download PDFInfo
- Publication number
- WO2014083840A1 WO2014083840A1 PCT/JP2013/006942 JP2013006942W WO2014083840A1 WO 2014083840 A1 WO2014083840 A1 WO 2014083840A1 JP 2013006942 W JP2013006942 W JP 2013006942W WO 2014083840 A1 WO2014083840 A1 WO 2014083840A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- cover
- wall
- roller
- sheet
- sheet conveying
- Prior art date
Links
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Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
- H04N1/00567—Handling of original or reproduction media, e.g. cutting, separating, stacking
- H04N1/0057—Conveying sheets before or after scanning
- H04N1/00588—Conveying sheets before or after scanning to the scanning position
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H5/00—Feeding articles separated from piles; Feeding articles to machines
- B65H5/06—Feeding articles separated from piles; Feeding articles to machines by rollers or balls, e.g. between rollers
- B65H5/062—Feeding articles separated from piles; Feeding articles to machines by rollers or balls, e.g. between rollers between rollers or balls
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2402/00—Constructional details of the handling apparatus
- B65H2402/40—Details of frames, housings or mountings of the whole handling apparatus
- B65H2402/44—Housings
- B65H2402/441—Housings movable for facilitating access to area inside the housing, e.g. pivoting or sliding
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2402/00—Constructional details of the handling apparatus
- B65H2402/50—Machine elements
- B65H2402/54—Springs, e.g. helical or leaf springs
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2404/00—Parts for transporting or guiding the handled material
- B65H2404/10—Rollers
- B65H2404/14—Roller pairs
- B65H2404/143—Roller pairs driving roller and idler roller arrangement
- B65H2404/1431—Roller pairs driving roller and idler roller arrangement idler roller details
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2404/00—Parts for transporting or guiding the handled material
- B65H2404/10—Rollers
- B65H2404/14—Roller pairs
- B65H2404/144—Roller pairs with relative movement of the rollers to / from each other
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2404/00—Parts for transporting or guiding the handled material
- B65H2404/60—Other elements in face contact with handled material
- B65H2404/61—Longitudinally-extending strips, tubes, plates, or wires
- B65H2404/611—Longitudinally-extending strips, tubes, plates, or wires arranged to form a channel
- B65H2404/6111—Longitudinally-extending strips, tubes, plates, or wires arranged to form a channel and shaped for curvilinear transport path
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2405/00—Parts for holding the handled material
- B65H2405/30—Other features of supports for sheets
- B65H2405/33—Compartmented support
- B65H2405/332—Superposed compartments
- B65H2405/3321—Feed tray superposed to discharge tray
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2801/00—Application field
- B65H2801/03—Image reproduction devices
- B65H2801/06—Office-type machines, e.g. photocopiers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2801/00—Application field
- B65H2801/39—Scanning
Definitions
- the present invention relates to a sheet conveying apparatus that is mounted on an electronic apparatus such as a sheet feed scanner or a printer that handles a sheet such as a read original or printing paper, and conveys the sheet on a conveying path.
- an electronic apparatus such as a sheet feed scanner or a printer that handles a sheet such as a read original or printing paper, and conveys the sheet on a conveying path.
- This type of sheet conveying apparatus is mounted on a wide variety of electronic devices such as a copier, a facsimile machine, or a complex machine of them in addition to a sheet feed scanner and a printer.
- the sheet may jam in the middle of the sheet conveying path and become jammed.
- recovery from a failure such as a sheet jam or maintenance of a reading device or a print head mounted at a position facing the conveying path in the sheet conveying apparatus or an electronic device in which the sheet conveying apparatus is mounted is performed. Therefore, a cover that can be opened and closed is often provided in the middle of the conveyance path.
- this type of cover may be provided with a lock mechanism or a cover urging mechanism that urges the cover toward the closed state in order to keep the cover closed during normal operation of the sheet conveying apparatus.
- a lock mechanism for example, a mechanism having a concave / convex engagement relationship, a lock-type form or a crescent-type form is known.
- those having a concave / convex engaging relationship and those in the form of locks are often provided with a biasing force applying mechanism that biases the convex or ridge toward the locked state.
- the document reading apparatus of Patent Document 2 is provided on an ADF (Auto Document Feeder) attached to the platen glass so as to be openable and closable, and at least a part of the conveyance path can be exposed by opening the ADF. Open / close cover.
- the apparatus further includes a first detection unit that detects an open / close state of the open / close cover, and a second detection unit that detects an open / close angle of the ADF with respect to the platen glass.
- a warning notification is given.
- an opening / closing member for releasing jam is provided on the back side of the document conveying unit, the document conveying unit is prevented from being closed without forgetting to tighten the opening / closing member.
- Patent Document 3 discloses a label printer having a structure in which a driving roller and a driven roller whose axial center is fixed at a nipping and conveying position are nipped and conveyed, and a label is peeled off from the mount by a label peeling body. .
- what has elasticity is employ
- the mount can be nipped and conveyed.
- an urging member for urging the driven roller that is provided to be rotatable toward the drive roller is not necessary.
- Patent Documents 1 to 3 have the following problems. That is, the lock mechanism provided to keep the cover closed during normal operation of the sheet conveying apparatus has a large number of parts and a complicated structure. For this reason, there is an adverse effect on the downsizing of the sheet conveying apparatus and an increase in manufacturing cost.
- both the lock mechanism and the cover urging mechanism that may be provided on the cover for the same purpose have only a function of keeping the cover closed. For this reason, it does not have a function of maintaining the cover in an open state when the sheet conveying apparatus is restored or maintained. For this reason, when performing failure recovery work and maintenance work of the sheet conveying apparatus, the user needs to perform trouble recovery work and maintenance work while keeping the cover open by hand.
- the user in the case of a cover urging mechanism that maintains the cover in a closed state, the user must maintain the cover in an open state by applying a force that overcomes the urging force by the cover urging mechanism. The workability of the disaster recovery work and maintenance work was impaired.
- An object of the present invention is to provide a sheet conveying apparatus that solves the above-described problems.
- a sheet conveying apparatus is a sheet conveying apparatus that conveys a sheet in a conveying path defined by an inner wall formed in a frame and an outer wall facing the inner wall at a predetermined interval, A cover attached to the frame via a pivot fulcrum and rotatable between a closed state in which the notch formed in the outer wall is closed and an open state in which the notch is opened, and rotation of the cover Mounted on the cover so as to reciprocate in the direction of approaching / leaving the chevron, and urging in the direction of approaching the chevron
- the movable element abuts against the first hem of the chevron when the cover is closed, and abuts against the second hem of the chevron when the cover is open Allows the cover to latch in the closed and open states, respectively. Characterized in that it is.
- FIG. 1 It is a figure which shows the sheet conveying apparatus by the Example of this invention.
- (A) is a top view
- (b) is a side view
- (c) is a bottom view.
- (A) is sectional drawing of the principal part in which a cover is a closed state
- (b) is an arrow side view of the further principal part. It is a figure for demonstrating operation
- (A) is sectional drawing of the principal part in which a cover is in the middle of opening and closing, (b) is an arrow side view of the further principal part. It is a figure for demonstrating operation
- (A) is sectional drawing of the principal part in which a cover is an open state,
- (b) is an arrow side view of the further principal part.
- the sheet conveying apparatus is a sheet conveying apparatus that conveys a sheet in a conveying path defined by an inner wall formed in a frame and an outer wall facing the inner wall at a predetermined interval, It has a cover.
- the cover is attached to the frame via a rotation fulcrum, and can be rotated between a closed state in which the notch formed in the outer wall is closed and an open state in which the notch is opened.
- the sheet conveying device is attached to the cover so as to reciprocate in a direction approaching / leaving the mountain-shaped portion provided on the frame so as to protrude toward the pivotal fulcrum of the cover, and And a movable element biased in a direction approaching the mold part.
- the sheet conveying apparatus has a simple structure that does not include a lock mechanism as in the related art, the cover can be kept closed during normal operation of the sheet conveying apparatus.
- the sheet conveying apparatus maintains the cover in an open state when the sheet conveying apparatus is recovered or maintained, the user manually opens the cover when performing the sheet conveying apparatus's failure recovery or maintenance work. There is no need to maintain the state. Therefore, it is excellent in the workability of the trouble recovery work and maintenance work of the sheet conveying apparatus.
- the sheet conveying apparatus may further include a driving roller that is pivotally supported by a pair of frames and a driven roller that is pivotally supported by the cover for conveying the sheet with the sheet interposed therebetween.
- a driving roller that is pivotally supported by a pair of frames
- a driven roller that is pivotally supported by the cover for conveying the sheet with the sheet interposed therebetween.
- mover may be comprised with a driven roller.
- the driving roller and the driven roller that are originally provided in the sheet conveying device function as a chevron and a mover, respectively, the sheet conveying device has a simpler structure.
- the sheet conveying apparatus is a printer, a flat bed scanner, and a sheet feed scanner (or a facsimile machine).
- a printer a flat bed scanner
- a sheet feed scanner or a facsimile machine
- An example applied to the sheet feed scanner unit 10 of a multifunction machine having a function will be described.
- the sheet feed scanner unit 10 is mounted on a main body (not shown) of the multifunction device so as to be openable and closable via a hinge 41, and also functions as a document presser for a flat bed scanner unit (not shown) in the multifunction device.
- Reference numeral 42 denotes a pad for pressing a document to be read by the flatbed scanner unit.
- the sheet feed scanner unit 10 includes a sheet conveying apparatus according to the present embodiment and a reading device 21 such as a CIS (Contact Image Sensor).
- a CIS Contact Image Sensor
- the sheet conveying apparatus includes a take-in tray 11, a pick roller 12, a drive separation roller 13A, and a driven separation roller 13B.
- the take-in tray 11 is a tray on which one or more originals (sheets) are placed with the reading surface to be read by the reading device 21 facing down.
- the pick roller 12 and the paired drive separation roller 13A and driven separation roller 13B are used to feed a plurality of documents placed on the take-in tray 11 to the sheet feed scanner unit 10 one by one from the document placed on the top. Has the function to capture.
- the pick roller 12 is configured to be movable up and down so as to descend only when necessary.
- Each of the pick roller 12 and the drive separation roller 13A is mechanically connected to an electric motor (not shown) as a drive source via a gear or the like.
- the driven separation roller 13B is rotatably provided on a fixed frame including the inner wall 14, and is urged by a coil spring 13C with a predetermined urging force against the drive separation roller 13A.
- the fixed frame including the inner wall 14 is movably attached to the basic frame.
- the sheet conveying apparatus further includes a driving feed roller 16A, a first driven feed roller 16B, and a second driven feed roller in a conveying path defined by the inner wall 14 and the outer wall 15 facing the inner wall 14 at a predetermined interval. 16D.
- the drive feed roller 16A, the first driven feed roller 16B, and the second driven feed roller 16D are provided as a pair, and convey the document in a U-turn.
- the drive feed roller 16A is provided on a fixed frame including the inner wall 14, and is mechanically connected to an electric motor (not shown) as a drive source via a gear or the like.
- the first driven feed roller 16B is urged by a coil spring 16C with a predetermined urging force against the drive feed roller 16A.
- the second driven feed roller 16D is urged with a predetermined urging force against the drive feed roller 16A by a double-sided spring (not shown).
- the sheet conveying apparatus further includes a driving pulling roller (driving discharge roller, mountain-shaped portion) 17A and a driven pulling roller (driven discharge roller, movable element) 17B.
- the driving pulling roller 17A and the driven pulling roller 17B are provided in a pair, and pull the original conveyed by making a U-turn.
- the driving pulling roller 17A has a central axis X17A supported on a fixed frame including the inner wall 14, and is mechanically connected to an electric motor (not shown) as a driving source via a gear or the like.
- the driving pulling roller 17 ⁇ / b> A is a roller as a mountain-shaped portion provided on the fixed frame including the inner wall 14 so as to protrude toward the rotation fulcrum X ⁇ b> 31 of the cover 31.
- a line segment aa indicates the protruding direction of the peak of the peak portion 17A.
- the symbol Mt indicates the peak of the peak of the peak portion 17A.
- symbols Mf1 and Mf2 respectively indicate the skirt portions of the peaks of the mountain-shaped portion. Therefore, the vertex Mt is located on the line segment aa indicating the protruding direction.
- the driven separation roller 17B is provided on a cover 31 rotatably attached to the fixed frame so as to be reciprocally movable, and is attached to the drive pulling roller 17A by a coil spring 17C. It is energized by power. That is, the driven traction roller 17B is attached to the cover 31 so as to be able to reciprocate together with the central axis X17B in a direction approaching / separating from the drive traction roller 17A.
- the driven traction roller 17B has a function as a mover that is urged together with the central axis X17B by the urging force F by the coil spring 17C in a direction approaching the drive traction roller 17A.
- the document pulled by the paired drive pulling roller 17A and driven pulling roller 17B is read by the reading device 21 through the reading window 22 attached to the notch formed in the inner wall 14.
- the reading device 21 is provided on a fixed frame including the inner wall 14. Since the document is read while being conveyed by the sheet conveying apparatus, the reading device 21 is a line sensor fixedly arranged, but can perform scanning reading.
- the reading window 22 also functions as an inner wall.
- the document that has been read by the reading device 21 is sequentially discharged onto the discharge tray 18 by the pair of driving pulling roller 17A and driven pulling roller 17B.
- the discharged document is placed on the discharge tray 18 with the surface read by the reading device 21 facing upward. The user can collect the documents discharged to the discharge tray 18.
- the sheet feed scanner unit 10 has a function for automatically reading both sides of a document, while being conveyed by the sheet conveying device, by diverting a reading device (none of which is shown) included in the flat bed scanner unit, The original is read. In this case, the surface facing upward when the document is placed on the take-in tray 11 is read.
- the cover 31 is attached to a fixed frame including the inner wall 14 via a rotation fulcrum X31.
- the cover 31 is a cover that can be rotated between an open state in which a notch formed in the outer wall 15 is opened and a closed state in which the notch is closed.
- the cover 31 is restricted from rotating excessively in the closing direction by a part of the cover 31 coming into contact with the fixed frame in the open state. Similarly, in a closed state, a part thereof is in contact with the fixed frame so as not to be excessively rotated in the opening direction. That is, as shown in FIG. 3B, when the cover 31 is in the closed state, the driven traction roller 17B as a mover contacts the first bottom part Mf1 of the mountain-shaped portion 17A at the contact point P. 31 is latched in the closed state. On the other hand, as shown in FIG. 5B, when the cover 31 is in the open state, the driven traction roller 17B as a mover contacts the second hem portion Mf2 of the mountain-shaped portion 17A at the contact point P, thereby 31 is latched open.
- the cover 31 is closed during normal operation of the sheet conveying device (sheet feed scanner unit).
- the mover 17B comes into contact with the first skirt portion Mf1 of the mountain-shaped portion 17A at a contact point P with a force corresponding to the biasing force F of the coil spring 17C.
- the cover 31 is latched in the closed state.
- the cover 31 in the closed state functions as a part of the outer wall that defines the conveyance path together with the inner wall.
- the user rotates the cover 31 in the opening direction when recovering from a failure such as a sheet jam in the conveyance path. Further, when performing maintenance of the reading device 21 mounted at a position facing the conveyance path in the sheet conveying apparatus or the multi-function peripheral equipped with the sheet conveying device and the reading window 22 protecting the device, the cover 31 is opened. Turn to. As the cover 31 rotates in the opening direction, the contact point P of the mover 17B moves from the first skirt portion Mf1 of the mountain-shaped portion 17A toward the vertex Mt of the mountain-shaped portion 17A, and FIG. ) And (b) are reached. In the state shown in FIGS. 4A and 4B, the contact point P coincides with the vertex Mt of the mountain-shaped portion 17A.
- the contact point P of the mover 17 ⁇ / b> B exceeds the vertex Mt of the mountain-shaped portion 17 ⁇ / b> A and the second hem of the mountain-shaped portion 17 ⁇ / b> A as the cover 31 is further rotated in the opening direction.
- the state shown in FIGS. 5A and 5B is reached. That is, the driven traction roller 17B as a mover contacts the second skirt portion Mf2 of the mountain-shaped portion 17A at the contact point P, whereby the cover 31 is latched in the open state.
- the user inserts a hand or a tool into the conveyance path through the notch in the outer wall 15 that is opened when the cover 31 is latched in the open state, and recovers from an obstacle such as a sheet jam in the conveyance path.
- the user performs maintenance of the device such as the reading device 21 mounted at the position facing the conveyance path in the sheet conveying apparatus or the multifunction machine equipped with the sheet conveying device and the reading window 22 that protects the sheet conveying device.
- the user urges the cover 31 in the closing direction so that the contact point P of the movable element 17B exceeds the vertex Mt from the second hem portion Mf2 of the mountain-shaped portion 17A. Move to one skirt portion Mf1. Thereafter, even if the user releases his / her hand from the cover 31, the contact point P moves so as to automatically return from the vertex Mt toward the first skirt portion Mf1, so that the cover 31 is shown in FIG. And latched in the closed state shown in (b).
- the sheet conveying apparatus that is mounted on the sheet feed scanner unit of the multifunction peripheral and conveys a document whose information is to be read has been described.
- the sheet conveying apparatus of the present invention may be mounted on a printer unit in a printer, a copier, a facsimile machine, or a complex machine thereof, and convey a sheet to be printed.
- a print head, an ink tank, a toner cartridge, an ink ribbon, or an area that is exposed to the notch when the cover of the inner wall that defines the paper conveyance path together with the outer wall is opened, or A platen or the like may be located.
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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Mechanical Engineering (AREA)
- Delivering By Means Of Belts And Rollers (AREA)
- Feeding Of Articles By Means Other Than Belts Or Rollers (AREA)
Abstract
Le problème à résoudre dans le cadre de la présente invention consiste à fournir un dispositif de transport de feuille qui présente une structure simple et peut faciliter un travail de reprise après défaillance et un travail de maintenance. La solution proposée consiste en un dispositif de transport de feuille destiné à transporter une feuille sur un chemin de transport prescrit par une paroi interne formée dans un cadre et une paroi externe qui fait face à la paroi interne selon un espacement prédéterminé, le dispositif de transport de feuille comprenant : un couvercle qui est fixé au cadre par l'intermédiaire d'un pivot de rotation et peut tourner entre un état fermé dans lequel une partie découpée formée dans la paroi externe est recouverte, et un état ouvert dans lequel la partie découpée est ouverte ; une partie en forme de montagne agencée sur le cadre de sorte à faire saillie vers le pivot de rotation du couvercle ; et un élément mobile qui est fixé au couvercle de sorte à pouvoir se déplacer selon un mouvement de va-et-vient dans une direction qui s'approche/s'éloigne de la partie en forme de montagne et est poussé dans la direction qui s'approche de la partie en forme de montagne. Le dispositif de transport de feuille est caractérisé en ce que l'élément mobile vient en butée contre une première partie pied de la partie en forme de montagne lorsque le couvercle se trouve dans l'état fermé, et vient en butée contre une seconde partie pied de la partie en forme de montagne lorsque le couvercle se trouve dans l'état ouvert et il s'ensuit que le couvercle est verrouillé dans l'état fermé et dans l'état ouvert.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2012261413A JP6025195B2 (ja) | 2012-11-29 | 2012-11-29 | シート搬送装置 |
JP2012-261413 | 2012-11-29 |
Publications (1)
Publication Number | Publication Date |
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WO2014083840A1 true WO2014083840A1 (fr) | 2014-06-05 |
Family
ID=50827501
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2013/006942 WO2014083840A1 (fr) | 2012-11-29 | 2013-11-26 | Dispositif de transport de feuille |
Country Status (2)
Country | Link |
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JP (1) | JP6025195B2 (fr) |
WO (1) | WO2014083840A1 (fr) |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0366937U (fr) * | 1989-11-02 | 1991-06-28 | ||
JP2004045554A (ja) * | 2002-07-09 | 2004-02-12 | Murata Mach Ltd | 画像読取装置 |
JP2005001186A (ja) * | 2003-06-10 | 2005-01-06 | Toshiba Tec Corp | ラベルプリンタ |
JP2012156635A (ja) * | 2011-01-24 | 2012-08-16 | Murata Mach Ltd | 原稿読取装置 |
-
2012
- 2012-11-29 JP JP2012261413A patent/JP6025195B2/ja active Active
-
2013
- 2013-11-26 WO PCT/JP2013/006942 patent/WO2014083840A1/fr active Application Filing
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0366937U (fr) * | 1989-11-02 | 1991-06-28 | ||
JP2004045554A (ja) * | 2002-07-09 | 2004-02-12 | Murata Mach Ltd | 画像読取装置 |
JP2005001186A (ja) * | 2003-06-10 | 2005-01-06 | Toshiba Tec Corp | ラベルプリンタ |
JP2012156635A (ja) * | 2011-01-24 | 2012-08-16 | Murata Mach Ltd | 原稿読取装置 |
Also Published As
Publication number | Publication date |
---|---|
JP2014105104A (ja) | 2014-06-09 |
JP6025195B2 (ja) | 2016-11-16 |
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