Separators Patents (Class 271/18)
  • Patent number: 12103797
    Abstract: A reading apparatus to convey a document set on a document tray and to read an image of the conveyed document includes a control unit and a determining unit. The control unit performs lifting control for lifting the document tray in a case where a first condition is satisfied and performs lowering control for lowering the document tray in a case where a second condition is satisfied. The determining unit determines whether a predetermined period elapses after the lifting control of previous time is started. The control unit does not perform the lowering control even if the second condition is satisfied in a case where the determining unit determines that the predetermined period does not elapse.
    Type: Grant
    Filed: July 14, 2021
    Date of Patent: October 1, 2024
    Assignee: Canon Kabushiki Kaisha
    Inventor: Toyomi Hirao
  • Patent number: 12024384
    Abstract: A rotating body unit includes a pair of bearing portions and a first engagement portion. A pair of bearing support members support the bearing portions when at support positions, and release the bearing portions when at retraction positions. An auxiliary tool includes a pair of arm portions and a second engagement portion. When the auxiliary tool is engaged with the rotating body unit mounted in the mounting portion, the arm portions abut on and move the bearing support members from the support positions to the retraction positions. The second engagement portion engages with the first engagement portion after the bearing support members move to the retraction positions. As the auxiliary tool is separated from the mounting portion with the second engagement portion engaging with the first engagement portion, the rotating body unit is pulled out of the mounting space integrally with the auxiliary tool.
    Type: Grant
    Filed: July 20, 2022
    Date of Patent: July 2, 2024
    Assignee: KYOCERA Document Solutions Inc.
    Inventor: Takeshi Yoshida
  • Patent number: 12017879
    Abstract: A paper blocking device includes a pick roller, a cover plate, a paper blocking component, a driving mechanism, a gear mechanism and a motor. The cover plate has a pick roller window penetrated the cover plate. The pick roller is positioned in the pick roller window. The paper blocking component is coupled to the cover plate. The driving mechanism has a driving shaft and a cam being connected to the driving shaft. The cam is connected to the paper blocking component. The gear mechanism is connected to the driving shaft. The motor is connected to the gear mechanism. As described above, the paper blocking device can block papers and align the leading edges of papers.
    Type: Grant
    Filed: January 5, 2022
    Date of Patent: June 25, 2024
    Assignee: Foxlink Image Technology Co., Ltd.
    Inventors: Wei Fong Lin, Yuan Yi Lin, Sheng Kai Lin
  • Patent number: 11827471
    Abstract: A sheet feeding device includes a storage, a discharger, an angle adjuster, and an urging body. The storage stores a sheet bundle. The discharger contacts and discharge an uppermost sheet of the sheet bundle from the storage in a sheet conveying direction in which the uppermost sheet is conveyed. The angle adjuster changes an angle according to a remaining amount of the sheet bundle in the storage. The urging body urges a trailing end of the uppermost sheet in the sheet conveying direction toward the discharger in stages according to the remaining amount.
    Type: Grant
    Filed: September 16, 2021
    Date of Patent: November 28, 2023
    Assignee: RICOH COMPANY, LTD.
    Inventor: Yasuhide Fukushima
  • Patent number: 11736627
    Abstract: A sheet conveying device includes a sheet placement table, a sheet discharge table, a conveyance mechanism, raising/lowering mechanism, and a raising/lowering control portion. The sheet discharge table is located below the sheet placement table. The conveyance mechanism conveys a sheet placed on the sheet placement table onto the sheet discharge table via an execution position at which image processing is executed by an image processing portion. The raising/lowering mechanism raises and lowers the sheet placement table. The raising/lowering control portion controls the raising/lowering mechanism to lower the sheet placement table when a human detection sensor configured to detect a human in a detection region has detected a human in the detection region.
    Type: Grant
    Filed: March 18, 2022
    Date of Patent: August 22, 2023
    Assignee: KYOCERA Document Solutions Inc.
    Inventors: Ryo Kawaoka, Tadaharu Kusumi
  • Patent number: 11363153
    Abstract: A medium conveying apparatus includes a conveying roller to convey a medium, an imaging device to generate an input image acquired by imaging the conveyed medium, and a processor to extract edge pixels from the input image, detect a degree of roundness at a corner of the medium in the input image based on the edge pixels, determine whether the conveyed medium is an ID card based on the degree of roundness, and control the conveying roller based on a result of the determination or outputs the result of the determination.
    Type: Grant
    Filed: August 4, 2020
    Date of Patent: June 14, 2022
    Assignee: PFU LIMITED
    Inventor: Masaaki Sakai
  • Patent number: 11274002
    Abstract: A placement method using a placement device provided with a first process of pressing a transfer plate a topmost layer sheet member so as to pick up it when a restraint device is rendered a restraining state, a second process of rendering the restraint device a non-restraining state to render the transfer plate an inclined state while pressing down the plurality of sheet members from above in the stacking direction by a base end part side of the transfer plate rendered the inclined state, a third process of inserting the restraining blade into the space formed between the topmost layer sheet member and the sheet member of the layer below it and again render the restraint device the restraining state, and a fourth process of making the transfer plate retract upward while returning it to the horizontal state and transferring the topmost layer sheet member to the holder.
    Type: Grant
    Filed: April 2, 2020
    Date of Patent: March 15, 2022
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Nobuhira Abe, Yuto Narita, Yuichi Itoh
  • Patent number: 11008191
    Abstract: A transfer mechanism includes a main rotating member, a first driving unit, a support mechanism, a holding unit, a second driving unit and control unit and transfers a sheet member from a pickup position to a delivery position. The support mechanism is connected to the main rotating member and the holding unit. The control unit controls the second driving unit in such a manner that, when the sheet member is placed in at least one of the pickup position and the delivery position, a position of the holding unit is not substantially changed in a state where the main rotating member rotates around the rotational axis in the first rotation direction.
    Type: Grant
    Filed: February 27, 2019
    Date of Patent: May 18, 2021
    Assignee: TOYO JIDOKI CO., LTD.
    Inventor: Tohru Yoshikane
  • Patent number: 10124974
    Abstract: A paper feeding device according to an embodiment includes a paper feeding cassette that holds a plurality of sheets and has a stacking surface with an angle A relative to horizontal that changes depending on a quantity of sheets stacked thereon. A pickup roller feeds the plurality of sheets from the paper feeding cassette. A separation roller separates the plurality of sheets from each other in a case where the plurality of sheets are fed from the paper feeding cassette in an overlapped state. A guide unit has a guide surface which is inclined upwards on a downstream side thereof in the transport direction of the plurality of sheets. A drive unit changed an angle B of the guide surface relative to horizontal. A control device controls the drive unit to change the angle B based on the angle A.
    Type: Grant
    Filed: May 11, 2017
    Date of Patent: November 13, 2018
    Assignees: KABUSHIKI KAISHA TOSHIBA, TOSHIBA TEC KABUSHIKI KAISHA
    Inventor: Eizo Kurita
  • Patent number: 10106358
    Abstract: A banknote stacking device includes an input mechanism configured to convey banknotes one by one, a stacking platform mechanism configured to stack and support banknotes conveyed by the input mechanism one by one a pressing and conveying mechanism located above the stacking platform mechanism and configured to press banknotes and convey the banknotes stacked on the platform forward. The pressing and conveying mechanism has a pressing rod, and the pressing rod has one end rotatably arranged on the upper conveying rotating shaft and another end forming a free end and falling freely towards the platform, the rotatable securing end and the free end of the pressing rod are respectively provided with a first concave wheel and a second concave wheel, and a first O-shaped belt is arranged on the first concave wheel and the second concave wheel. The first concave wheel rotates synchronously with the upper conveying rotating shaft.
    Type: Grant
    Filed: September 29, 2015
    Date of Patent: October 23, 2018
    Assignee: GRG Banking Equipment Co., Ltd.
    Inventors: Qiuhua Weng, Dong Tan
  • Patent number: 9399559
    Abstract: A banknote temporary storage device includes a pair of coiling tapes configured to clamp banknotes to be temporarily stored, a large coiling block configured to temporarily store the banknotes by accommodating the coiling tapes which clamp the banknotes to be temporarily stored, an upper coiling block component and a lower coiling block component configured to release or roll up the coiling tapes, and a banknotes inlet/outlet. Each of the coiling tapes has one end fixed onto the large coiling block, and another ends of the coiling tapes are respectively fixed onto the upper coiling block component and the lower coiling block component. The banknote temporary storage device is further provided with a coiling block guide plate and a pressing body, therefore the banknotes can be flattened when passing between the coiling block guide plate and the pressing body, thereby preventing the corners of the banknotes from being folded.
    Type: Grant
    Filed: June 28, 2013
    Date of Patent: July 26, 2016
    Assignee: GRG Banking Equipment Co., Ltd.
    Inventors: Huan Xu, Zhimin Li, Ying Han, Zhe Li
  • Patent number: 9394125
    Abstract: A print medium feed unit includes: a first feed roller including a first end portion and a second end portion and configured to pick up a print medium by rotating about a rotational axis extending in a first direction; a first support portion configured to rotationally support the first end portion; and a second support portion configured to rotationally support the second end portion. At least one of the first support portion and the second support portion includes a separation structure including a first portion and a second portion which are separable from each other in a radial direction of the first feed roller.
    Type: Grant
    Filed: August 18, 2015
    Date of Patent: July 19, 2016
    Assignee: Oki Data Corporation
    Inventor: Takashi Kobayashi
  • Patent number: 9013733
    Abstract: An image reading apparatus includes a reading unit which reads an image on a document while being conveyed, a cover movable between an opened position where the reading unit is opened and a closed position where the reading unit is covered, a metal pressing member held by the cover and configured to face the reading unit and press the document toward the reading unit when the cover is at the closed position, a metal frame supporting the conveyor and configured to face the pressing member when the cover is at the closed position, and a ground member directly connected to the frame and configured to be separated from the pressing member when the cover is at the opened position, and to be in contact with the pressing member when the cover is at the closed position.
    Type: Grant
    Filed: September 27, 2013
    Date of Patent: April 21, 2015
    Assignee: Brother Kogyo Kabushiki Kaisha
    Inventor: Takashi Fujiwara
  • Patent number: 9004847
    Abstract: A method and apparatus for automated aerating and handling a sub stack of a stack of rectangular paper sheets where the sub stack is gripped near or at opposed corners of a common edge of the sub stack by means of two robotic grippers (A, B) having two opposed gripping fingers (A1, A2, B1, B2), lifting and rotating the corners in mutually opposite first directions such that the work stack achieves an upwards concave form, gripping the corners by the robotic grippers (A, B), and rotating the grippers in second directions opposite to the first directions such that the upper sheet of the sub stack has a curvature smaller than the bottom sheet of the sub stack, preferably a substantially plane form.
    Type: Grant
    Filed: November 21, 2011
    Date of Patent: April 14, 2015
    Assignee: Industrial Robot Automation
    Inventors: Lars Fleckenstein, Henrik Christiansen
  • Patent number: 8998194
    Abstract: There is provided an image forming apparatus including separating members in a conveyance direction of sheets conveyed from a paper tray, the separating members being configured to separate the sheets one by one. The separating members include an upward regulating member configured to regulate a central part of a sheet in a width direction in a manner that the central part of the sheet points upward, and downward regulating members on both sides of the upward regulating member, the downward regulating members each being configured to regulate both ends of the sheet in the width direction in a manner that both ends of the sheet point downward. A position of an upper end of the upward regulating member is higher than a position of a lower end of each downward regulating member.
    Type: Grant
    Filed: July 23, 2014
    Date of Patent: April 7, 2015
    Assignee: Sony Corporation
    Inventor: Hidetaka Okamoto
  • Patent number: 8994963
    Abstract: A sheet conveyance unit including a sheet tray on which a stack of sheets is placed, a sheet feed member to feed sheets from the stack of sheets, a separation/feed unit to separate a topmost sheet from the rest of sheets fed by the sheet feed member and feed the topmost sheet to a predetermined position, and a pre-separation unit disposed between the sheet tray and the separation/feed unit. The pre-separation unit includes a downward sloped portion to guide a leading edge of each sheet diagonally downward, and an upward sloped portion provided downstream from the downward sloped portion in a conveyance direction of the sheets to guide the leading edge of each sheet diagonally upward. Both ends of the upward sloped portion in a lateral direction are sloped upward more gently than the center of the upward sloped portion.
    Type: Grant
    Filed: January 28, 2013
    Date of Patent: March 31, 2015
    Assignee: Ricoh Company, Ltd.
    Inventors: Yohei Osanai, Yasunobu Youda, Taku Kudoh, Takayuki Andoh, Koji Hatayama
  • Patent number: 8992003
    Abstract: A recording medium feeding device includes a tray in which accommodates a recording medium, which is attachable to and detachable from a device main body including a feeding unit; a stopper that is able to switch between a regulating state in which the stopper comes into contact with a leading edge of the recording medium which is accommodated in the tray to regulate a movement of the recording medium, and a regulating release state that enables the recording medium to be fed to a feeding path; and a switching unit that is engaged with the tray to switch the stopper from the regulating state to the regulating release state, wherein the switching unit includes engaging portions that engages with the tray, and wherein the engaging portions are disposed, being separated from the stopper at the both sides of the stopper in a width direction of the recording medium.
    Type: Grant
    Filed: March 14, 2013
    Date of Patent: March 31, 2015
    Assignee: Seiko Epson Corporation
    Inventors: Tetsuya Tamura, Kazuhisa Nakamura
  • Publication number: 20150061211
    Abstract: A card feeder has the following elements. A card hopper is disposed on a base to store cards. A conveying unit is disposed on the base. A friction element is disposed on the base and located in a path passed by the cards, and is capable of providing friction force to the cards so as to separate the cards.
    Type: Application
    Filed: December 10, 2013
    Publication date: March 5, 2015
    Applicant: Taiwan Green Point Enterprises Co., LTD
    Inventors: I-Chung Hou, Hsun-Hao Chan
  • Publication number: 20150035224
    Abstract: There is provided an image forming apparatus including separating members in a conveyance direction of sheets conveyed from a paper tray, the separating members being configured to separate the sheets one by one. The separating members include an upward regulating member configured to regulate a central part of a sheet in a width direction in a manner that the central part of the sheet points upward, and downward regulating members on both sides of the upward regulating member, the downward regulating members each being configured to regulate both ends of the sheet in the width direction in a manner that both ends of the sheet point downward. A position of an upper end of the upward regulating member is higher than a position of a lower end of each downward regulating member.
    Type: Application
    Filed: July 23, 2014
    Publication date: February 5, 2015
    Inventor: Hidetaka Okamoto
  • Publication number: 20140374983
    Abstract: A recording medium setting device includes a base plate on which recording media are set; guide members being moved in a width direction of the recording media that are set on the base plate; a contact detection unit detecting a contact between the guide members and the recording media; an approach unit moving the guide members in a direction so as to sandwich the recording media set on the base plate until the contact detection unit detects the contact between the guide members and the recording media; and an additional approach unit moving the guide members, moved by the approach unit, at a predetermined distance in the direction to squeeze the recording media after the contact detection unit detects the contact between the guide members and the recording media.
    Type: Application
    Filed: June 5, 2014
    Publication date: December 25, 2014
    Inventors: Hiroshi ADACHI, Yuji IKEDA
  • Publication number: 20140339760
    Abstract: Embodiments provide methods, apparatuses, and systems for compressing media in a media stack. In various embodiments, a paddle moves between various positions. During the move, the paddle is configured to compress the media stack.
    Type: Application
    Filed: May 15, 2013
    Publication date: November 20, 2014
    Applicant: Hewlett-Packard Development Company, L.P.
    Inventors: Robert Lawrence Winburne, Kieran B. Kelly, Keith Jariabka, Juan D. Ramos
  • Publication number: 20140306399
    Abstract: A pick system for a printer is disclosed. The pick system has at least two sets of replacement parts. Each set of replacements parts is tuned for a different type of media.
    Type: Application
    Filed: April 15, 2013
    Publication date: October 16, 2014
    Applicant: Hewlett-Packard Development Company, L.P.
    Inventors: Michael Nickerson, Richard L. Payne
  • Publication number: 20140211274
    Abstract: A sheet feeding apparatus includes a first tray, a frame member, and a feeder. The frame member includes a first wall portion facing in a width direction and a first tray portion disposed above the first tray and extending inward in the width direction from the first wall portion. The first tray has a first end on a side far from the feeder. The first tray portion of the frame member has a second end on the side far from the feeder and a third end on a side near the feeder. The second end is closer to the feeder than the first end. The first wall portion extends from the third end toward the first end.
    Type: Application
    Filed: January 31, 2014
    Publication date: July 31, 2014
    Applicant: BROTHER KOGYO KABUSHIKI KAISHA
    Inventor: Masahiko Ohta
  • Publication number: 20140203497
    Abstract: A sheet feeding member is provided, which is made of a thermoplastic elastomer composition comprising: a base polymer including a polyurethane thermoplastic elastomer and a polyester thermoplastic elastomer; and at least one ion conductive agent selected from the group consisting of a quaternary ammonium salt and a lithium salt/polyol, wherein the ion conductive agent is present in a proportion of 0.2 to 4 parts by mass based on 100 parts by mass of the base polymer in the thermoplastic elastomer composition.
    Type: Application
    Filed: January 6, 2014
    Publication date: July 24, 2014
    Applicant: SUMITOMO RUBBER INDUSTRIES, LTD.
    Inventors: Akihiro MINE, Toshihiro TAMURA, Takehiko HYODO
  • Publication number: 20140203494
    Abstract: A medium supply device includes a feeding unit that feeds a medium among one or more media placed on a placing table, a separating unit that is arranged to come into pressure-contact with the feeding unit, a blocking portion that is movable and blocks a space formed between the feeding unit and the separating unit in an upstream side of a nip region in a conveying direction of the medium, and a curve-forming portion that presses the medium against the feeding unit side to form a curve in a width direction of the medium.
    Type: Application
    Filed: November 21, 2013
    Publication date: July 24, 2014
    Applicant: PFU LIMITED
    Inventors: Hideyuki OKUMURA, Kiichiro SHIMOSAKA, Ryoichi YASUKAWA
  • Publication number: 20140203495
    Abstract: A medium supply device includes a feeding unit that feeds a medium among one or more media placed on a placing table, a separating unit that is arranged to come into pressure-contact with the feeding unit, and a blocking portion that is movable and blocks a space formed between the feeding unit and the separating unit in an upstream side of a nip region in a conveying direction of the medium. When one of the media placed on the placing table is fed by the feeding unit and the one or more media are placed on the placing table, the space is formed by the medium fed by the feeding unit, the separating unit, and the one or more media placed on the placing table.
    Type: Application
    Filed: December 26, 2013
    Publication date: July 24, 2014
    Applicant: PFU LIMITED
    Inventors: Hideyuki OKUMURA, Kiichiro SHIMOSAKA, Ryoichi YASUKAWA
  • Publication number: 20140203496
    Abstract: A sheet feeding device includes a sheet storage unit, a stacking unit, a raising unit, a sheet detection unit, an attachment detection unit, and a control unit. The sheet storage unit may be attached to and drawn out of an apparatus main body. The stacking unit is raised by the raising unit and is lowered when the sheet storage unit is drawn out. The attachment detection unit detects attachment of the sheet storage unit to the apparatus main body. The control unit determines whether an amount of sheets stacked on the stacking unit exceeds a predetermined amount based on detection results. If the sheet detection unit continues to detect sheets when the sheet storage unit goes from attached, to not attached, to attached to the apparatus main body, the control unit determines that the amount of sheets stacked on the stacking unit does not exceed the predetermined amount.
    Type: Application
    Filed: January 9, 2014
    Publication date: July 24, 2014
    Inventors: Ryuji Hamasaki, Daisuke Usami
  • Publication number: 20140197592
    Abstract: An image forming apparatus includes a sheet feeding device having a separation pad holding unit, a separation pad fixing unit, and a compression unit while vibration damping unit(such as a sponge member and a Mylar member) that is attached to the compression unit does not contact the separation pad holding unit and the separation pad fixing unit.
    Type: Application
    Filed: January 7, 2014
    Publication date: July 17, 2014
    Inventors: Shota Kase, Minoru Kawanishi, Hirotaka Ishii, Keisuke Fujita, Akinori Yokota
  • Publication number: 20140197591
    Abstract: The sheet feeding apparatus includes a sheet tray on which sheets are stacked, a feeding roller which contacts a top sheet on the sheet tray and feeds the sheet in a sheet feeding direction, and a pair of intermediate conveying rollers which receives the fed sheet and conveys the sheet in a sheet conveying direction. The sheet feeding apparatus further includes a fixed slope portion, a sheet separation member, and an opposite member. The fixed slope portion includes a separation slope which is inclined in downstream of the sheet feeding direction as it is closer to the pair of intermediate conveying rollers, so as to abut against the sheet fed by the feeding roller and separate the sheet one by one. The sheet separation member and the opposite member have a separation nip portion which separates the sheet having passed through the separation slope one by one.
    Type: Application
    Filed: January 2, 2014
    Publication date: July 17, 2014
    Applicant: CANON KABUSHIKI KAISHA
    Inventors: Tomonari Inoue, Yasuhito Fujinuma, Motohiro Furusawa
  • Patent number: 8777211
    Abstract: A paper outputting mechanism includes a paper tray for receiving a paper, a paper drive device located above the paper tray, and a paper outputting device engaged with the paper drive device. The paper outputting device includes a drive wheel and a belt surrounding the drive wheel. The belt includes a touching portion. The paper outputting device is moveable by the paper pickup arm, so that the touching portion completely abuts the paper.
    Type: Grant
    Filed: May 13, 2013
    Date of Patent: July 15, 2014
    Assignee: Hon Hai Precision Industry Co., Ltd.
    Inventor: Wen-Chung Lo
  • Publication number: 20140191462
    Abstract: A sheet feed device has a tray with holding surface for holding sheets, a feed unit for feeding sheets from the tray, and a separation plate. The separation plate has an inclined surface and two or more separation portions that separate a sheet from the sheets held in the tray. At least one of the separation portions projects a first distance from the inclined surface. The separation plate also has a projection positioned on the inclined surface that projects a second distance from the inclined surface. The second distance is greater than the first distance. A first of the separation portions is positioned upstream of the particular projection in the sheet feed direction, and a second of the separation portions positioned downstream of the particular projection in the sheet feed direction.
    Type: Application
    Filed: March 10, 2014
    Publication date: July 10, 2014
    Applicant: BROTHER KOGYO KABUSHIKI KAISHA
    Inventors: Tetsuo ASADA, Yukio SHIOHARA
  • Publication number: 20140175733
    Abstract: A paper sheet stacking and recycling device (5) and a paper sheet processing apparatus having same. The device comprises: a paper sheet conveying and stacking mechanism (51), located in front of a paper sheet discharging port and used for conveying the discharged paper sheets to a preset position one by one and stacking; a paper sheet discharging mechanism, located at the front end of the paper sheet conveying and stacking mechanism and used for discharging the stacked paper sheets in stack; and a paper sheet recycling mechanism (52), located at the front end of a paper sheet storage container (23) and used for recycling the stacked paper sheets in stack. A paper sheet processing apparatus having the foregoing device is capable of avoiding secondary separation of single paper sheets and more deflection after the paper sheets pass through a device for tilt correction and the like, so as to reduce the occurrence probability of faults such as blocking.
    Type: Application
    Filed: July 10, 2012
    Publication date: June 26, 2014
    Applicant: GRG Banking Equipment Co., Ltd.
    Inventors: Shaohai Huang, Dongbo Liu
  • Publication number: 20140151952
    Abstract: A sheet conveyor device includes a conveyor that convey a sheet along a conveyance path in a conveying direction, a sheet stack portion that receives the sheet conveyed by the conveyor, and a conducting member. The conveyor includes an ejection roller that ejects the sheet to the sheet stack portion. The conducting member includes a contact portion, disposed along the conveyance path downstream of the ejection roller, that comes into contact with the sheet conveyed by the conveyor, and a discharge portion that discharges static electricity transferred to the contact portion by contact between the sheet and the contact portion.
    Type: Application
    Filed: September 27, 2013
    Publication date: June 5, 2014
    Applicant: BROTHER KOGYO KABUSHIKI KAISHA
    Inventor: Daisuke Kozaki
  • Publication number: 20140131937
    Abstract: An automatic document feeder includes an upper cover, a pick-up arm, a restriction element, and a document stopper. The pick-up arm is movable between a first position and a second position. A rotating shaft of the restriction element is pivotally coupled to the pick-up arm. A rotating shaft of the document stopper is pivotally coupled to the upper cover. Moreover, the rotating shaft of the restriction element and the rotating shaft of the document stopper are not in parallel with each other. When the pick-up arm is located at the first position, a swinging action of the document stopper is limited by the restriction element. When the pick-up arm is located at the second position, the swinging action of the document stopper is no longer limited by the restriction element, so that the document stopper can be freely swung.
    Type: Application
    Filed: April 22, 2013
    Publication date: May 15, 2014
    Applicant: PRIMAX ELECTRONICS LTD.
    Inventor: Shang-Hsien Tsai
  • Publication number: 20140070480
    Abstract: Provided are a sheet feeding apparatus and an image forming apparatus, which can set a sheet feeding interval to be short. The controller determines whether a sheet surface height of an uppermost sheet becomes a predetermined sheet surface height, based on a detection signal from a lower limit detection sensor, when a pickup roller abuts the uppermost sheet. When determining that the sheet surface height of the uppermost sheet becomes the predetermined sheet surface height, the controller feeds a predetermined number of sheets without performing detection by the lower limit detection sensor, and then controls a motor such that the uppermost sheet is located with an appropriate range by lifting a tray when feeding a next sheet.
    Type: Application
    Filed: August 15, 2013
    Publication date: March 13, 2014
    Applicant: CANON KABUSHIKI KAISHA
    Inventor: Koichi Taniguchi
  • Publication number: 20140054845
    Abstract: There are provided a paper conveying apparatus, a jam detection method and a computer-readable, non-transitory medium that can suppress erroneous detection of a jam by sound due to the sound which a paper which has a wrinkle generates. The paper conveying apparatus includes a separator, a sound signal generator, provided with a sound detector provided at a downstream side of the separator, for generating a sound signal in accordance with the sound generated by a paper during conveyance, a sound jam detector for determining whether a jam has occurred based on the sound signal, and a wrinkle detector, provided at a downstream side of the separator, for detecting optically a wrinkle of a paper, wherein the sound jam detector changes the method of detection of the jam when the wrinkle detector detects a wrinkle of a paper.
    Type: Application
    Filed: August 8, 2013
    Publication date: February 27, 2014
    Applicant: PFU LIMITED
    Inventors: Shuichi Morikawa, Masanobu Hongo, Takayuki Umi
  • Publication number: 20140054844
    Abstract: There are provided a paper conveying apparatus which can effectively detect a sound which is generated when a jam occurs for various types of jams. The paper conveying apparatus includes a side guide, arranged to be movable in a direction which is perpendicular to a conveyance direction of a paper placed on a paper tray, for restricting a width direction of the paper, a sound signal generator, provided at the side guide so that a sound detector moves in accordance with movement of the side guide, for generating a sound signal corresponding to a sound generated by the paper during conveyance of the paper, and a sound jam detector for determining whether a jam has occurred based on the sound signal.
    Type: Application
    Filed: August 6, 2013
    Publication date: February 27, 2014
    Applicant: PFU LIMITED
    Inventors: Shuichi Morikawa, Masanobu Hongo, Takayuki Umi
  • Publication number: 20140027971
    Abstract: A sheet feeder which is capable of accurately detecting multi-feed of sheets even when the distance between sensors is changed. The sheet feeder includes a sheet container for holding a stack of sheets. Ultrasonic sensors for transmitting and receiving ultrasonic waves, respectively, are provided on a conveying path. The ultrasonic sensor as a transmitter transmits ultrasonic waves to a sheet being fed and conveyed. A reception circuit detects a level of ultrasonic waves received by the ultrasonic sensor as a receiver. The level of ultrasonic waves detected after lapse of a predetermined time from transmission of ultrasonic waves is compared with a predetermined threshold value to determine multi-feed of sheets. A distance between the ultrasonic sensors is detected, and at least one of the predetermined time period and the predetermined threshold value is corrected based on the detected distance between the sensors.
    Type: Application
    Filed: July 24, 2013
    Publication date: January 30, 2014
    Applicant: CANON KABUSHIKI KAISHA
    Inventors: Tetsuro FUKUSAKA, Yoshitaka YAMAZAKI, Taishi TOMII
  • Publication number: 20140021678
    Abstract: A sheet feeding apparatus and an image forming apparatus which can reliably feed even sheets having a non-uniform thickness to prevent excessive stacking. An auxiliary tray 1 is swingably provided on the upper surface of a tray 2 which is provided in a cassette body 3a to be lifted and lowered and stacks sheets thereon. When the sheets are stacked, a swing regulating portion 12 regulates the swing of the auxiliary tray 1 when the tray 2 is in a sheet stacking position and releases the regulation of the swing of the auxiliary tray 1 when the tray 2 is lifted.
    Type: Application
    Filed: July 10, 2013
    Publication date: January 23, 2014
    Inventors: Toshifumi Itabashi, Shinsuke Ubayashi, Hiroshige Inoue, Kozo Inoue, Isao Kannari
  • Publication number: 20140008863
    Abstract: A sheet feeding apparatus includes a sheet stacking portion on which sheets are stacked, a sheet feeding unit configured to feed the sheets stacked on the sheet stacking portion, a slope portion arranged downstream of the sheets in a feeding direction of the sheets stacked on the sheet stacking portion and configured to separate the sheets from each other, the sheets fed by the sheet feeding unit being bent when contacting the slope portion, and a contact width variable mechanism configured to change a contact width in which the slope portion and a leading edge of the sheet, in the feeding direction, fed by the sheet feeding unit are in contact with each other by moving part of the slope portion in the feeding direction or in a direction opposite to the feeding direction.
    Type: Application
    Filed: July 1, 2013
    Publication date: January 9, 2014
    Inventor: Akira Omori
  • Publication number: 20140001698
    Abstract: An image forming apparatus including: a sheet feeding section; an image forming section configured to form an image on the sheet fed from the sheet feeding section; and a control device configured to: cause the image forming section to form the image, cause the image forming section to perform a quality assurance operation, if a resource necessary for the image forming operation is not available for a predetermined time from an end of the image forming operation, and extend the predetermined time when determined that it is necessary for the user to set the sheet in the sheet feeding section prior to the image forming operation to be longer than the predetermined time when determined that it is not necessary for the user to set the sheet in the sheet feeding section prior to the image forming operation.
    Type: Application
    Filed: March 28, 2013
    Publication date: January 2, 2014
    Applicant: BROTHER KOGYO KABUSHIKI KAISHA
    Inventors: Tetsuya Okano, Takashi Suzuki, Fei Cheng
  • Publication number: 20130334764
    Abstract: A sheet feeder is disclosed for feeding sheets from a stack by one sheet in a sheet feeding direction, the one sheet being an uppermost sheet of the sheet stack. The sheet feeder includes: a sheet stacker for accommodating the sheet stack therein; a side fence to regulate side ends of the sheets and movable in a direction perpendicular to the sheet feeding direction; a slide shaft arranged in the side fence and extending in a vertical direction; a link member that swings as the side fence moves, a first end of the link member configured to be slidable along the slide shaft, and a second end of the link member configured to be pivotable about a pivot point, which is arranged on a side wall of the sheet stacker at a position lower than the first end; and a swing stopper unit that stops swing of the link member.
    Type: Application
    Filed: August 20, 2013
    Publication date: December 19, 2013
    Applicant: RICOH COMPANY, LIMITED
    Inventor: Munehisa FUDA
  • Publication number: 20130328261
    Abstract: An automatic feeding apparatus includes a body and a sheet passage, a sheet-separation mechanism and a sheet-input assisting mechanism in the body. The sheet-separation mechanism is configured to separate sheets. The sheet-input assisting mechanism includes a frame, a presser, a clutch gear and a driving device. The clutch gear, driven by the driving device, is displaceable on a guide groove of the frame between a first position and a second position. The clutch gear is rotated rearward to be engaged with a gear rack of the presser at the first position and thereby drive the presser to move in a first direction. The clutch gear is rotated forward to move to the second position and disengaged from the gear rack of the presser. After being released, the presser moves in a second direction to press a sheet in front of a nip portion of the sheet-separation mechanism.
    Type: Application
    Filed: March 11, 2013
    Publication date: December 12, 2013
    Applicant: AVISION INC.
    Inventor: Sung-Po CHENG
  • Patent number: 8585039
    Abstract: A recording apparatus including: a roller disposed at a set position and configured to convey a recording medium; a shaft member configured to support the roller located at the set position, wherein the roller is disengageable from the shaft member by moving in a direction toward one of opposite ends of the shaft member; a roller moving mechanism configured to move the roller in the direction toward the one end by applying a force to the roller in the direction toward the one end; and a movement inhibiting and allowing member configured to: inhibit the roller from moving in the direction toward the one end by being positioned at a first position at which the roller is positioned where the roller has been moved in the direction toward the one end; and allow the roller to move in the direction toward the one end by moving from the first position to a second position different from the first position.
    Type: Grant
    Filed: March 29, 2011
    Date of Patent: November 19, 2013
    Assignee: Brother Kogyo Kabushiki Kaisha
    Inventor: Satoshi Murata
  • Publication number: 20130285307
    Abstract: A single sheet handling device (14a to 14d, 30, 200, 252, 270, 350) for the input and the output of rectangular single sheets (38) respectively into and out of a container (12a to 12d). These rectangular single sheets can in particular be banknotes (38). The single sheet handling device (14a to 14d, 30, 200, 252, 270, 350) has a feeding device with feeding elements for the sheet-by-sheet feeding of single sheets (38) and for storing these single sheets (38) in a stack (36) of single sheets in the container (12a to 12d). Further, the single sheet handling device has a separating device with separating elements for the sheet-by-sheet removal of single sheets (38) of the stack (36) from the container (12a to 12d). The feeding elements and the separating elements are arranged separately from the container (12a to 12d).
    Type: Application
    Filed: June 25, 2013
    Publication date: October 31, 2013
    Inventors: Guenter HOLLAND-LETZ, Ayhan ASLAN, Ludger HOISCHEN, Martin LOESER, Dirk BREXEL
  • Publication number: 20130285309
    Abstract: A single sheet handling device (14a to 14d, 30, 200, 252, 270, 350) for the input and the output of rectangular single sheets (38) respectively into and out of a container (12a to 12d). These rectangular single sheets can in particular be banknotes (38). The single sheet handling device (14a to 14d, 30, 200, 252, 270, 350) has a feeding device with feeding elements for the sheet-by-sheet feeding of single sheets (38) and for storing these single sheets (38) in a stack (36) of single sheets in the container (12a to 12d). Further, the single sheet handling device has a separating device with separating elements for the sheet-by-sheet removal of single sheets (38) of the stack (36) from the container (12a to 12d). The feeding elements and the separating elements are arranged separately from the container (12a to 12d).
    Type: Application
    Filed: June 25, 2013
    Publication date: October 31, 2013
    Inventors: Guenter HOLLAND-LETZ, Ayhan ASLAN, Ludger HOISCHEN, Martin LOESER, Dirk BREXEL
  • Publication number: 20130250022
    Abstract: A recording medium feeding device includes a tray in which accommodates a recording medium, which is attachable to and detachable from a device main body including a feeding unit; a stopper that is able to switch between a regulating state in which the stopper comes into contact with a leading edge of the recording medium which is accommodated in the tray to regulate a movement of the recording medium, and a regulating release state that enables the recording medium to be fed to a feeding path; and a switching unit that is engaged with the tray to switch the stopper from the regulating state to the regulating release state, wherein the switching unit includes engaging portions that engages with the tray, and wherein the engaging portions are disposed, being separated from the stopper at the both sides of the stopper in a width direction of the recording medium.
    Type: Application
    Filed: March 14, 2013
    Publication date: September 26, 2013
    Applicant: SEIKO EPSON CORPORATION
    Inventors: Tetsuya TAMURA, Kazuhisa NAKAMURA
  • Publication number: 20130241136
    Abstract: A sheet feeding apparatus includes a stacking plate configured to stack sheets, a sheet feeding unit configured to feed the sheets by contacting the sheets stacked on the stacking plate, an elevating unit configured to elevate the stacking plate by a drive transmitted from a drive unit, a drive transmission unit configured to transmit the drive from the drive unit to drive the sheet feeding unit, and a clutch mechanism configured to cause the drive transmission unit to transmit the drive from the drive unit to the sheet feeding unit after the elevating unit urges the sheets stacked on the stacking plate toward the sheet feeding unit by elevating the stacking plate.
    Type: Application
    Filed: March 12, 2013
    Publication date: September 19, 2013
    Applicant: CANON KABUSHIKI KAISHA
    Inventor: Kazuhiro Hosohara
  • Publication number: 20130228962
    Abstract: A sheet feed unit includes a medium container configured to contain sheet-like recording media; a bottom plate disposed in the medium container and configured to accommodate the recording media thereon; a sheet feed device configured to feed out the recording media contained in the medium container; a main body of the sheet feed unit, which the medium container can be inserted into and pulled out from, including the sheet feed device; and a displaying member configured to display a remaining level of the recording media in the medium container, the displaying member including a first display oriented in a first direction and a second display oriented in a second direction perpendicular to the first direction. The sheet feed unit improves a freeness in the observable range of the displaying member and the remaining level of the recording media in the medium container can be more accurately ascertained.
    Type: Application
    Filed: February 13, 2013
    Publication date: September 5, 2013
    Inventors: Ippei KIMURA, Takamitsu IKEMATSU, Kaoru TADA, Ikuo FUJII
  • Publication number: 20130228963
    Abstract: A sheet separation transport mechanism according to the present disclosure includes a sheet feed member, a separation member, a support member, a sheet member and a concave portion. The sheet feed member feeds a sheet in a transport direction. The separation member is pressed onto the sheet feed member. The support member includes: a separation member retaining portion; and a guide portion which guides lead edges of a plurality of sheets to the downstream side along the inclined surface. The sheet member is adhered from the guide portion so as to overlap the separation member and has a frictional coefficient lower than the separation member. The concave portion is formed in the shape of a groove in a position of the guide portion where the sheet member is adhered such that the depth of the concave portion is greater than the thickness of the sheet member.
    Type: Application
    Filed: January 24, 2013
    Publication date: September 5, 2013
    Applicant: KYOCERA DOCUMENT SOLUTIONS INC.
    Inventor: Susumu Taniguchi