Abstract: A document feed device including a document tray and a document guide. The document guide has a document guide side document loader and a document guide member. The document tray includes a groove. The document guide, at an end of the document guide side document loader in the width direction, includes: a scooper, and an upstream outline portion that is formed so as to gradually approach the document guide member toward an upstream side in the conveying direction with the scooper as an apex.

Abstract: A paper sheet storage device includes a storage space in which paper sheet is stored; a mounting table that is provided in the storage space and on which the paper sheet is accumulated and placed; a support base that supports the mounting table; a first lifting lowering mechanism that lifts and lowers the mounting table between a high position and a low position relative to the support base; and a second lifting lowering mechanism that lifts and lowers the support base in the storage space. The support base and the first lifting lowering mechanism are disposed within a projection area in which the mounting table is projected on a plane orthogonal to a lifting lowering direction in which the support base is lifted and lowered by the second lifting lowering mechanism.

Abstract: A medium placement device includes a placement unit configured to have cut single paper thereon, a cover member configured to have single paper supplied to or discharged from an opening portion thereon, and a movement unit configured to move the cover member between a first position and a second position that is lower than the first position.

Abstract: A document conveyance device includes a supply tray, a discharge tray, a conveyance part, a discharge part, and a lifting and lowering part. The lifting and lowering part lifts the supply tray and the discharge part according to a feeding of the document. When the feeding of the document to the document conveyance path is completed and then the supply tray is lifted, in a small number of documents discharge state where the height of the documents stacked on the discharge tray is less than the specified value, the lifting and lowering part positions the supply tray at a taking out position depart upward from the specified value by a predetermined space.

Abstract: A feeder includes a mount board that moves vertically while allowing sheet-shaped media to be stacked thereon; a transport device allows an uppermost one of the sheet-shaped media stacked on the mount board to be sucked by a suction portion to transport the uppermost medium to a transporter and to feed the uppermost medium to a destination; left and right edge air blowers blow air to transportation left and right edge portions of upper ones of the sheet-shaped media stacked; and a tip-end air blower blows air to below the uppermost medium sucked by the suction portion from a position downstream from a transportation leading end of the uppermost medium in a transport direction. When the uppermost medium is sucked by the suction portion, the feeder performs a first operation of spacing an upwardly bent transportation leading-end portion of a second uppermost medium apart downward from the sucked uppermost medium.

Abstract: A medium conveying apparatus includes a conveyance roller to convey a medium, an imaging device to image the medium, a DC motor to drive the conveyance roller, a processor to detect that a front end of the medium reaches between the conveyance roller and the imaging device, set a current limit value of the DC motor to a first limit value until the front end of the medium reaches between the conveyance roller and the imaging device, and change the current limit value to a second limit value larger than the first limit value after the front end of the medium has reached between the conveyance roller and the imaging device, and drive the conveyance roller by rotating the DC motor based on the second limit value when the imaging device performs imaging.

Abstract: A medium conveying apparatus includes a pick roller feeding a medium, a separation roller placed on a downstream side of the pick roller in a conveying direction of a medium, an arrival detection sensor placed on a downstream side of the separation roller in the conveying direction and detecting arrival of a medium, a lift sensor detecting a lift of a medium between an upstream side of a roller nip of the pick roller and a downstream side of a roller nip of the separation roller, and a processor. The processor determines that a medium is a bound medium when a lift of a medium is detected by the lift sensor in a first predetermined period after detection of a front edge of a medium in a conveying direction by the arrival detection sensor, and executes abnormality processing when a medium is determined to be a bound medium.

Abstract: A medium conveying apparatus includes a main body, a placement board that is movably supported by the main body, an extension member that is movably supported by the placement board, a lever that is movably supported by the placement board, and a mechanism that moves the extension member to a contraction position when the lever is located at a protrusion position, and moves the extension member to an expansion position when the lever is located at a pushed position, wherein the lever is away from an abutting portion fixed to the main body when the placement board is located between a storage position and a midway position, and the lever comes into contact with the abutting portion and moves toward the pushed position when the placement board is located between a unfolding position and the midway position and when the placement board moves toward the unfolding position.

Abstract: A paper sheet detection device includes: an optical sensor that includes a light-emitting portion that emits light, and a light-receiving portion that receives the emitted light; a storage portion that stores a first threshold value used for determining whether or not a paper sheet is present in a path of the emitted light, a target light-receiving level set as a target value of a level of the light received by the light-receiving portion in a state where the paper sheet is not present, and a second threshold value that is set to a value that is greater than the first threshold value and less than the target light-receiving level; an estimating portion that determines whether the level of the light received by the light-receiving portion is equal to or greater than the first threshold value and less than the second threshold value, and that estimates whether or not the paper sheet is present; and a light amount adjusting portion that adjusts an amount of the light emitted by the light-emitting portion so that

Abstract: A sheet cassette includes a sheet mounting unit, a first side guide, a second side guide, and a biasing unit. The first side guide comes into contact with the sheet at one end in a sheet width direction. The sheet width direction is a direction perpendicular to a sheet conveying direction in which the sheet is conveyed out from the sheet mounting unit. The sheet width direction is parallel to the mounting surface. The second side guide comes into contact with the sheet at the other end in the sheet width direction. The biasing unit has a biasing member. The biasing member biases at least the first side guide in a direction approaching the second side guide. The first side guide can rotate around a rotation shaft intersecting the mounting surface in a direction in which the first side guide approaches and separates from the second side guide.

Abstract: A sheet sorting apparatus includes a second tray arranged below a first tray detachable from a main body having a first discharge port corresponding to the first tray and a second discharge port corresponding to the second tray, a discharge unit, a tray detecting unit, and a control unit. The discharge unit discharges a sheet toward the first or second discharge port. In a state that the first tray is detached from the main body and the discharge unit discharges sheets from the first discharge port to the second tray and then the first tray is detected as attached to the main body, the control unit selects a discharge destination of a second sheet, subsequent to a first sheet discharged and stacked first after the first tray is attached to the main body, such that the second sheet is stacked on a tray having the first sheet thereon.

Abstract: A driving force transmission device includes a drive gear, a driven gear, which includes a gear portion and a partially toothless gear portion, rotates by the gear portion meshing with the drive gear, stops rotating in response to the partially toothless gear portion facing the drive gear, a first cam member and a second cam member which operate in conjunction with the driven gear, a first elastic member for urging the first cam member, a follower member to which urging force is applied by a second elastic member and which is moved by the second cam member, and a contact portion for coming into contact with the first cam member by urging force of the first elastic member. The first cam member includes a home cam surface for coming into contact with the contact portion so that rotation of the driven gear is limited.

Abstract: The paper sheet processing device includes a bladed wheel 10, a paper sheet supply/transport unit 30, 100, a stacking tray 50 that holds paper sheets emitted from the bladed wheel one by one in a stacked state, and an extraction area 80. The stacking tray includes a first stacking part 51 that stacks thereon paper sheets being emitted when at a paper sheet stacking position P1, and is rotationally moved to a non-stacking position P2 when a predetermined number of paper sheets are stacked thereon, and a second stacking part 61 that is moved to the paper sheet stacking position to stack paper sheets thereon when being rotated by a predetermined angle from the non-stacking position, and is rotationally moved to the non-stacking position when the predetermined number of paper sheets are stacked thereon.

Abstract: In order to provide a configuration capable of suppressing reductions in productivity of sheets, a pair of regulation guides are capable of guiding opposite end edges in a sheet width direction Y of a sheet S1 conveyed by a conveyance belt and spheres, while being nipped. Further, the pair of regulation guides are capable of shifting to guide positions for guiding the opposite end edges of the sheet, and retract positions retracted from the opposite end edges of the sheet more than the guide positions. A sheet detecting sensor is disposed on the downstream side relative to the conveyance belt in a conveyance direction X to detect the presence or absence of the sheet.

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.

Abstract: A medium conveying apparatus includes a conveying roller to convey a medium, an overlap detection sensor, a processor to detect an overlap portion in which it is determined that an overlap has occurred on the medium based on a detection output by the overlap detection sensor for the medium conveyed by the conveying roller, calculate an overlap length where the overlap portion is continuous based on a detection result of the overlap portion, determine whether a multi-feed has occurred based on the overlap length, and execute an abnormal processing for the multi-feed based on a determination result of the multi-feed. The processor determines that a first overlap portion and a second overlap portion are continuous when a distance between the first overlap portion and the second overlap portion is within a predetermined distance in calculating the overlap length.

Abstract: A sheet conveying apparatus includes a transmitting mechanism-, a movable member, and a control portion to input a signal having first and second levels. The transmitting mechanism transmits driving force and includes a spring clutch and an electromagnetic clutch. The driving force pivotally moves the movable member. The spring clutch idles by a slackness of a spring when the rotation in a second direction is inputted to the transmitting mechanism and the movable member is regulated from pivoting at a predetermined position. The control portion inputs the signal to the transmitting mechanism such that the state electromagnetic clutch state changes the engagement state to the disengagement state through an intermediary state gradually varying a length of time where the signal of the first level is inputted into the electromagnetic clutch after the movable member reaches the predetermined position by inputting the rotation in the second direction to the transmitting mechanism.

Abstract: A medium-transporting device includes: a medium-mounting section on which a medium is mounted; a feeding unit that includes a feeding roller and that is configured to be displaced between a contact posture and a separation posture; a first restricting member that is provided downstream of the feeding roller in the transport direction and that is configured to switch between a restriction posture in which the first restricting member restricts movement of the medium and a retreat posture in which the first restricting member permits the movement of the medium; a first motor configured to generate power for rotating the feeding roller; and a second motor configured to generate power for switching a posture of the first restricting member, in which an operation of rotating the feeding roller and an operation of switching the first restricting member from the restriction posture to the retreat posture are performed in parallel.

Abstract: The present invention is directed to providing to an align module of a medium deposition device which is capable of reducing a time to align a medium and improving reliability of medium alignment and allows a structure of a device for the medium alignment to be simplified.

Abstract: A medium conveying apparatus includes a conveying roller to convey a medium, and a processor to detect transmission information of an ultrasonic wave transmitted through the medium or thickness information of the medium at a plurality of positions in the conveyed medium, calculate a size of an area in which the transmission information or the thickness information is within a predetermined range in the conveyed medium, determine whether a multi-feed of the medium has occurred, by comparing a value based on the transmission information or the thickness information with a threshold, and execute an abnormality processing when it is determined that the multi-feed of the medium has occurred. The processor changes the threshold according to the size.