Abstract: A mailer machine including a mailer supply station (e.g., a rotary mailer supply station, a linear mailer supply station, a non-linear mailer supply station, or the like) and a handling station operatively coupled to the mailer supply station. The mailer supply station provides, on a selective basis, mailers having different attributes. The mailer supply station of the mailer machine provides for movement of magazines with respect to a robot in the handling station that may have a distal end secured in a stationary and fixed location. As such, different magazines with dissimilar mailers may be moved to a picking location adjacent the robot, as dissimilar mailers are required. Further, the mailers within the magazines may be moved to a pre-determined pick-up location such that the robot is repeatably picking a mailer from the pre-determine pick-up location.

Abstract: A cartoning machine including a carton supply station (e.g., a rotary carton supply station, a linear carton supply station, a non-linear carton supply station, or the like) and a handling station operatively coupled to the carton supply station. The carton supply station provides, on a selective basis, cartons, such as carton blanks, pre-formed cartons, or the like. The carton supply station of the cartoning machine provides for movement of magazines with respect to a robot in the handling station that may have a distal end secured in a stationary and fixed location. As such, different magazines with dissimilar cartons may be moved to a picking location adjacent the robot, as dissimilar cartons are required. Further, the cartons within the magazines may be moved to a pre-determined pick-up location such that the robot is repeatably picking a carton from the pre-determine pick-up location.

Abstract: The invention relates to a device (310) for holding a sheet-like element (10) during the stage of introducing it into a workstation (200, 300, 400) of a forming machine (1), such as a waste-ejection station (300), the said holding device (310) comprising a suction member (320) configured so as to partially retain each sheet (10) by its rear part during the stage when the said sheet (10) is introduced into the said workstation (200, 300, 400), characterized in that the suction member (320) has at least two motorized fans (13) with propellers (14) installed transversely at the entrance to the workstation (200, 300, 400), beneath the plane (P) along which the sheet-like elements move, the axes of rotation (A) of the propellers (14) of the fans (13) being substantially parallel to one another and perpendicular to the plane (P) along which the sheet-like elements move, the direction of rotation and the inclination of the propellers (14) being configured so as to generate a flow of air capable of applying suction t

Abstract: A vacuum plate lifting system for lifting sheet material articles, comprises a vacuum lifter apparatus for lifting sheet material articles, a lifter actuation system configured to lift and/or move the vacuum lifter apparatus during use and a control system, the control system being configured to control the lifter actuation system during said movement. The vacuum lifter apparatus comprises: a substantially horizontal suction plate; an airflow suction system for conveying vacuum air pressure to said perforated suction lifting surface; at least one mount for connection of the suction plate to at least one actuator of the lifter actuation system for lifting and/or moving the suction plate during use. At least one elongate bar is movably mounted along an edge of the suction plate. A bar actuation system is configured to drive movement of said bar between a raised orientation and a lowered orientation.

Abstract: The destacker apparatus (1), comprises: a succession of conveyors (10, 11, 12) arranged inclined relative to the horizon, each comprising a mobile surface (S) for receiving and supporting articles (J, K) carried upwards by the conveyors (10, 11, 12); and a device for varying the pressure of a fluid (2). The surface (S) of the conveyors (10, 11, 12) has through holes and the pressure varying device (2) is fluid dynamically connected to this surface (S).

Abstract: Embodiments of a system and method for shingulating, singulating, and synchronizing articles in an article feeder system are disclosed. The article feeder system may include a shingulating device configured to receive a stack of articles and to produce a positively lapped stack of articles, a plurality of picking devices configured to pick one or more articles from the positively lapped stack of articles and to produce one or more singulated articles, and one or more synchronization devices configured to deliver the one or more singulated articles to one or more sorter windows.

Abstract: A sheet-material supply device includes a lift, a sheet-material detector, and a sheet-material retaining conveyor. The lift elevates sheet materials in a stacked state. The sheet-material detector detects that an uppermost sheet material of the sheet materials in the stacked state has reached a predetermined height. The sheet-material retaining conveyor retains and conveys the uppermost sheet material that has reached the predetermined height. The sheet-material supply device stops elevation of the sheet materials in the stacked state when the sheet-material detector detects that the uppermost sheet material has reached the predetermined height. The sheet-material retaining conveyor is disposed to be movable in a direction in which the sheet materials in the stacked state elevate.

Abstract: A method and apparatus for loading substrates in an inspection station is disclosed herein. In one embodiment a loading module for a substrate inspection system is provided that includes a first conveyor module, and a second conveyor module having a movable surface positioned substantially parallel to a movable surface of the first conveyor module, wherein the first conveyor module includes a first section and a second section, the first section having a vacuum unit operable to secure a substrate to a portion of the movable surface in the first section, and the second section is configured to release the substrate from the movable surface.

Abstract: A sheet feeder includes: a wheel for issuing a lowermost sheet out to a sheet processing unit; a grate for spacing the sheet apart from the wheel at a raised position and bringing the sheet into contact with the wheel at a lowered position; and a drive device for driving the grate up and down. The drive device includes: a link mechanism for movably supporting the grate; a spring for urging the grate to the lowered position; a grate raising/lowering cam for periodically driving the grate up/down; and a skip feed cam that is driven by a control device, separately from a drive system of the grate raising/lowering cam, and that, at a timing where reached is a phase at which the grate raising/lowering cam does not put the grate in the raised position, retains the grate at the raised position in order to skip feeding of the sheet.

Abstract: A medium-suction apparatus includes a conveyer to convey a medium in a conveyance direction, a first suction unit to perform suction operation on the medium to attract the medium to the conveyer, and a second suction unit to perform the suction operation on the medium to attract the medium to the conveyer. The second suction unit being disposed next to the first suction unit in a width direction perpendicular to the conveyance direction. The second suction unit starts the suction operation after the first suction unit starts the suction operation.

Abstract: The invention relates to a transport device (10) for a beginning or an end of a web, comprising at least one driver (27) for a beginning or an end of a web (1). The transport device (10) is largely guided on a horizontal plane from a front region to a rear region of a system. The transport device (10) is to be improved such that smaller quantities of impregnated decorative paper can be produced with little complexity and minimum waste. For this purpose, the driver (27) comprises a plate-shaped magnet (22) which is guided below the web (1) during the operation of the transport device (10), extends over at least the width of the web (1), and interacts with a magnetizable sheet-metal plate (23) during the operation of the transport device (10), said sheet-metal plate being movable above the web (1) from a rest position into a holding position.

Abstract: A post-processing device includes a sheet conveyer that conveys a sheet along a first direction and a sheet end detection sensor that is movable along a second direction orthogonal to the first direction and that detects an end of the sheet in the second direction, wherein the second direction is a sheet width direction. The post-processing device further includes a control unit that: causes the hole puncher to move along the second direction based on a position of the end of the sheet detected by the sheet end detection sensor, adjusts a sensitivity of the sheet end detection sensor, determines, prior to adjusting the sensitivity, whether the sheet still remains at the hole puncher based on levels of output signals from the sheet end detection sensor, and outputs, upon determining that the sheet still remains at the hole puncher, a warning signal.

Abstract: A transport apparatus comprises an endless vacuum conveyor belt (310) having a plurality of perforations (311). The conveyor belt transports the particles along a transport direction (T) while they are aspirated to the perforations, thereby defining a moving transport surface (316). The transport surface extends in an essentially vertical plane (x-z), and the transport direction (T) is inclined upwardly relative to the horizontal direction (x). An inclined recycling tray (200) recycles particles that have fallen from the conveyor belt back to a feeding zone (150) purely by the action of gravity. A separating wall (600) separates a processing zone from a clean zone of the apparatus. The conveyor belt interacts with an elongate vacuum box, which is open along one side, the open side being covered by an elongate slider. The slider has suction openings with a cross section that varies along the transport direction (T).

Abstract: A feed appliance for feeding products to a further processing appliance includes a standby circulatory apparatus with a takeover station and with several transport units that are circulatorily movable independently of one another for each receiving a product at the takeover station, a provision conveyor for feeding the products to the takeover station, and a control device for controlling the feed of the products and of the transport units into a takeover section of the takeover station and for controlling the takeover of the fed products by the transport units. The standby circulatory apparatus for creating a gapless product stream includes a release device for the cyclically controlled release of individual transport units into the takeover section. For this, the control device is designed to release a transport unit only given a feed of a cyclically correct product into the takeover section.

Abstract: A method for handling (flat) objects (10), in particular sanitary articles such as diapers, sanitary napkins or the like, wherein the objects (10) are conveyed along a transport section (12) in a product flow and are then put together in a grouping station to form groups of objects (10). The objects (10) are introduced into the product flow in the region of an inlet station (23) before the objects (10) are put together to form groups.

Abstract: An upstream-side unit of a reading unit of an automatic document feeder has protruding portions that protrude toward a surface that forms a document feeding path in a mechanism body unit on both sides of a document in the width direction outside a feeding portion that forms the document feeding path. Positioning of the upstream-side unit provided so as to be rotatable with respect to the mechanism body unit is performed by making protruding portions come in contact with a guide surface of the mechanism body unit, the guide surface forming the document feeding path. By adopting this configuration, because the protruding portions provided on both sides of the document in the width direction outside the document feeding path are used to perform positioning, it is possible to increase the accuracy of clearance for allowing a document to pass through the document feeding path.

Abstract: In accordance with one embodiment, an image forming apparatus is equipped with a conveyance device configured to include a rotatable first pulley and a rotatable second pulley arranged side by side, a belt hung on a first pulley and a second pulley and a conveyance roller connected with the belt on the outer periphery of the first pulley and rotating together with the belt, and sandwich and convey a recording medium at a nip part between the conveyance roller and the belt. The axis of the second pulley of the conveyance device is rotated by the rotating mechanism by taking the axis of the first pulley as a fulcrum.

Abstract: A sheet feeding device includes an attracting mechanism and a changing mechanism. The attracting mechanism includes a lifting section and a maintaining section. The lifting section attracts a portion of a sheet material that is fed and lifts the portion of the sheet material. The maintaining section attracts an edge of the sheet material that is lifted by the lifting section and maintains an orientation of the edge of the sheet material. The changing mechanism changes at least one of an attraction force that is generated at the lifting section and an attraction force that is generated at the maintaining section.

Abstract: A method of removing slip sheets from a printing plates stack is disclosed, wherein the slip sheets are interspersed between the printing plates includes moving at least two parallel energy chains. Each of the energy chains carries a plurality of vacuum cups over the stack of printing plates. The vacuum cups are attached to a top slip sheet placed on top of the printing plates stack and peel off sheets while vacuum is maintained and transferring the top slip sheet into a slip sheet bin.

Abstract: Provided is a sheet feeding device including a first arrangement member that abuts an end portion in a width direction of a fed and stacked sheet material, arranges the width direction of the sheet material, and forms a first blown-out port, a second arrangement member that is mounted on the first arrangement member, is disposed in a sheet material side with respect to the first arrangement member, abuts an end portion in a width direction of a small sheet material having a narrower width than the sheet material arranged by the first arrangement member, arranges the width direction of the small sheet material, and forms a second blown-out port, and a passage member that forms a passage introducing the air blown out from the first blown-out port to the second blown-out port.

Abstract: In a system, at least two picker support elements are positioned adjacent a transport surface that is moving workpieces, and at least two picking elements are connected to each of the picker support elements. The picking elements have physical picking features that remove the workpieces from the transport surface and move the workpieces to another location. A controller is operatively connected to the picker support elements and the picking elements, and the controller independently controls the picker support elements and the picking elements to dynamically position the picking elements in coordination with a dynamic size, spacing, and transport speed of the workpieces being moved by the transport surface.

Abstract: According to one embodiment, a paper sheets inspection apparatus includes a transfer mechanism configured to transfer paper sheets through an inspection position, a guide member including a guide surface opposed to the paper sheet at the inspection position, a standard plate on the guide member, including a reflection surface exposed on the guide surface at the inspection position, an air supply device configured to spout air flowing from a lateral position of the standard plate along the reflection surface, and form an air curtain between the standard plate and the paper sheet, a light source configured to radiate inspection light toward the reflection surface, and a photoreceptor configured to receive the inspection light reflected from the reflection surface of the standard plate and the inspection light reflected from a surface of the paper sheet at the inspection position.

Abstract: A sheet feeding device has a mounting portion allowing a stack of sheets to be mounted in a top-bottom direction, a suction/transportation portion provided above the mounting portion for attracting a first sheet positioned on top of the stack, and a blowing portion for blowing air to a foremost edge of the first sheet in a transportation direction while the first sheet is being attracted by the suction/transportation portion, thereby separating the first sheet from a second sheet next to the first sheet. After the first sheet is separated from the second sheet, the suction/transportation portion transports the first sheet in the transportation direction. The suction/transportation portion sets a suction force applied to the foremost edge of the first sheet smaller when the blowing portion blows air to the first sheet than when the suction/transportation portion transports the first sheet.

Abstract: According to one embodiment, a paper sheet pickup device includes an input portion, pickup mechanism, and pickup assist mechanism. The pickup mechanism picks up, one by one, the paper sheets supplied to a pickup position. The pickup assist mechanism is arranged upstream of the pickup mechanism in the pickup direction of the paper sheet. The pickup assist mechanism includes a suction belt configured to be arranged to be able to travel in the pickup direction, an air drawing portion configured to suck a paper sheet to the suction belt through the suction belt, and a driving motor configured to drive the suction belt.

Abstract: A sheet feeding device having; a mounting portion capable of accommodating a stack of sheets; a blowing device that blows air onto the stack placed in the mounting portion, thereby floating at least a top sheet from the stack; a suction/transportation mechanism that includes a suction belt provided above the mounting portion and attracting the top sheet floated by the blowing device to transport the attracted sheet toward a transportation path; an image pickup device disposed so as to capture an image of the floated top sheet and the next sheet therebelow; and an illuminating device that emits light toward an area to be captured by the image pickup device. The light emitted by the illuminating device illuminates a plane in a direction approximately normal thereto, the plane including the closest end surface of the stack of sheets to the image pickup device.

Abstract: An apparatus for detecting a foreign substance on an interleaving paper to be inserted between glass substrates, in which the process of detecting the foreign substance on the paper is automated to improve the detection efficiency. The apparatus includes a paper-loading unit and a paper-inspecting unit configured to be connected to the paper-loading unit. The paper-inspecting unit detects a foreign substance on a surface of the paper loaded by the paper-loading unit. The apparatus also includes a paper-unloading unit, which is configured to be connected to the paper-inspecting unit, and unloads the paper from the paper-inspecting unit and then stacks the paper. The apparatus also includes a controller, which controls the paper-loading unit, the paper-inspecting unit and the paper-unloading unit to transfer the paper, and controls the paper-inspecting unit to detect the foreign substance.

Abstract: A sheet feeding device having: a blowing device configured to blow air toward the stack of sheets placed in a predetermined stacking direction, thereby floating at least a top sheet from the stack; a suction/transportation mechanism that includes a suction belt provided above the mounting portion and configured to attract the top sheet floated by the blowing device to transport the attracted sheet in a predetermined transportation direction; and an image pickup device configured to capture images of the top sheet and the next sheet therebelow, and disposed so as to see through an area where a side of the top sheet and the suction belt, when viewed in a plan view in the stacking direction, are close to each other during the floating of the top sheet, to such an extent that the side of the top sheet essentially does not hang downward.

Abstract: Multiple suction holes are formed in a conveyance belt of a conveyor device. A suction unit is arranged on one of surfaces of the conveyance belt. The suction unit includes a unit case. The unit case includes a plurality of cells arranged side by side in the width direction of the conveyance belt and in a conveyance direction of paper. A fan is provided in each of the plurality of cells.

Abstract: A sheet transport apparatus in a sheet processing machine has at least one driven transport belt for the transport of sheet printing materials from a first location to a second location. It being possible for the transport belt to be driven at different transport speeds. The acceptance of the sheet printing materials at the first location is carried out at a relatively low transport speed, and the transfer of the sheet printing materials at the second location is carried out at a relatively high transport speed.

Abstract: In the invention, after the last sheet is conveyed from a paper feed tray, the paper feed tray is lifted up so that the paper feed tray is brought into contact with a suction belt. An elastic cleaning member that removes paper particles, or the like, is installed at an area of the paper feed tray where the paper feed tray is in contact with the suction belt. The suction belt is driven while the cleaning member is in contact with the suction belt. The paper particles, or the like, removed from the suction belt by the cleaning member are collected in a paper-particle collecting device from a vacuum chamber via a vacuum duct.

Abstract: According to the invention, in the transport path between the input device and the output device, at least one intermediate buffer is arranged that serves as input device and as output device. The input device, the output device and the intermediate buffer are positioned adjacent to the conveyor belt and operated by the control device in such a way, that sheets forwarded from the input device or sheets stocked in the intermediate buffer are coupleable pneumatically to the lower side of the conveyor belt, and that sheets pneumatically attached to the lower side of the conveyor belt are selectively decoupleable at the intermediate buffer or at the output device.

Abstract: A method and device to supply a processing section adjoining the device with print products withdrawn from a stack of print products in a feeder. The device including a magazine to contain the stack of print products and a separating device to separate a lowest print product from the stack along an edge region of the lowest print product formed by a sheet edge or a last fold. The device further includes a rear holder that is displaceable in coordination with the separating device to support the stack remaining during a cycle of withdrawing the lowest print product from the stack. A withdrawing device withdraws the lowest print product from an underside of the stack and includes a gripper to grip a front end of the lowest print product in the withdrawing direction while operating with timing of the separating device and the rear holder in the cycle.

Abstract: A sheet feeding device includes drawing and conveying a sheet, applying negative pressure for sheet suction via a suction opening, moving a shutter member between a closing position where the suction opening in an upstream side in a sheet feeding direction is partially closed and an open position where the suction opening is opened, and controlling the shutter member to follow a preceding sheet that is drawn onto the suction conveyance member to move to the downstream side in the feeding direction to close the suction opening, and return to an open position at a predetermined timing to draw the sheets onto the suction conveyance member in a state where an upstream edge of the preceding sheet in the feeding direction and a downstream edge of the subsequent sheet in the feeding direction are overlaid by a predetermined amount.

Abstract: A flat-article feed device comprising a supply magazine in which flat articles are moved in a stack on edge in a first transfer direction, a separator for separating the leading flat article of the stack from the remainder of the stack and for driving it in a second transfer direction that is substantially perpendicular to the first transfer direction, an unstacker that takes a flat article that is being unstacked and brings it in the second transfer direction to the inlet of a conveyor, and a retainer that exerts a retaining force that opposes movement of the flat article towards the conveyor, the unstacker being offset from the separator by a distance not less than the maximum length of a flat article, and the retainer being provided facing the unstacker. A postal sorting machine including such a feed device.

Abstract: A valve unit which circulates and blocks air has a first block connected to upstream suction tubes, a second block facing this first block and connected to downstream suction tubes, a shield plate disposed in a space S between the first block and the second block, and a motor which rotates this shield plate. The shield plate is provided with a connection hole which connects the upstream suction tube to the downstream suction tube, and a connection hole which connects the upstream suction tube to the downstream suction tube.

Abstract: A stripper of the invention uses flat metal springs (leaf springs) preferably made of spring steel and a flexible polymer based friction material covering the springs on one side so that the friction material contacts an incoming mail piece passing by the stripper along the friction surface presented by the outside of the friction material. A stripper according to the invention has variable stiffness, is quick responding, and is critically damped, meaning that incoming mail pieces will not bounce off it with excessive force likely to cause a misfeed or loss of control of the mail piece.

Abstract: A media sheet transport including a belt for supporting the media thereon. The belt is operably connected to a drive mechanism for moving the belt in a process direction past an image marking unit. The belt has a plurality of openings therein. A vacuum plenum has a surface disposed below the belt and is operably connected to a vacuum source. The vacuum plenum is adapted to applying a negative pressure to the media for holding the media to the belt. An electrostatic hold down apparatus includes a first tacking roller spaced in a cross-process direction from a second tacking roller. The first and second tacking rollers are engagable with the belt. The first tacking roller is disposed to engage the inboard edge of the media, and the second tacking roller is disposed to engage the outboard edge of the media. The first and second tacking rollers impart an electrostatic charge to the edges of the media for electrostatically securing the inboard and outboard edges of the media to the belt.

Abstract: A sheet guiding rib protrudes below a sheet suction surface of a plurality of suction conveyer belts, the sheet guiding rib being provided at a position on a downstream side in a sheet conveying direction of a sheet suction region, in which a sheet can be sucked, of the sheet suction surface of the plurality of suction conveyer belts, and between the plurality of suction conveyer belts. At a time of conveying a topmost sheet sucked and deflected downward at a part of pressing a sheet surface detecting flag, a deflection amount of the topmost sheet is reduced by bringing the deflected part of the topmost sheet into abutment against the sheet guiding rib.

Abstract: A sheet supply device including an elevation section for up and down movement of the sheet bundle accommodated on the sheet placement table, blow sections for blowing air to the upper side surface of the sheet bundle to float up the sheet from the aforementioned sheet bundle, and a non-contact sheet detection sensor for detecting the existence or nonexistence of a sheet at the predetermined position of the aforementioned sheet placement table. The elevation drive motor is controlled in such a way as to move the sheet bundle up and down, based on the frequency or ratio of the sheet existence in the detection result of the sheet detection sensor in the operation mode of the blow section.

Abstract: A sheet-supplying device has a sheet-accommodating tray, a raising/lowering unit, a first position sensor, a second position sensor, a controlling unit. The raising/lowering unit raises and lowers the sheet-accommodating tray substantially. The first position sensor detects a first position indicating a position in the stacked direction of one end portion of a topmost sheet stacked in the sheet-accommodating tray. The second position sensor detects a second position indicating a position in the stacked direction of another end portion of the topmost sheet. The controlling unit controls the raising/lowering unit to raise or lower the sheet-accommodating tray based on both the first position detected by the first position sensor and the second position detected by the second position sensor so that one end of the topmost sheet in the stacked status is positioned at a prescribed position in the stacked direction.

Abstract: Provided is a sheet feeding device having a sheet surface detecting mechanism installed to be movable up and down between adjacent adsorption conveyance belts 21, and detects a position of the top surface of the sheet by a sheet surface detecting member 61 that moves upward higher than the adsorbing surface of an adsorption conveyance belt 21. The position of the lower surface of the sheet surface detecting member 61 being pushed up by the blown-up sheet is regulated such that the difference in height between the adsorbing surface of the adsorption conveyance belt 21 and the lower surface of the sheet surface detecting member 61 is smaller than the difference in a height direction between the adsorbing surface of the adsorption conveyance belt 21 and the upper surface of a separation nozzle by a sensor abutting portion 62 that regulates upward movement of the sheet surface detecting member 61.

Abstract: A transport device and a transporting method. The transporting device includes a transporting unit, a plurality of medium sensing units, an encoder, a paper management module, a determining unit, and a transport controller. When the determining unit determines that a transport error has occurred in a succession transport medium based on a count value for an encoder signal, the paper management module stops counting, and the transport controller controls the transporting unit such that the transporting unit continues transporting a previous transport medium.

Abstract: A system for separating an article from the outer part of a stack and conveying it along a transfer path includes a stack assembly configured to receive a stack of articles. A mounting assembly including at least one vortex suction unit is disposed so as to face the stack of articles at least one of a leading edge and a trailing edge thereof. The vortex suction unit includes a conveyor configured to transport an article from the stack.

Abstract: For separating flat articles from a lying stack of articles, each foremost article of the stack is conveyed away one after the other in an upwards direction. For making such separation applicable also for mechanically relatively unstable articles, a preparatory step is implemented prior to the step of conveying-away upwards. In this preparatory step each foremost article of the stack is gripped, then separated from the front end of the stack in a direction essentially perpendicular to the main surfaces of the stacked articles and simultaneously or immediately afterwards accelerated upwards. Only when the article has a speed component in upwards direction of approximately the order of magnitude of the conveying-away speed is the article transferred to the conveying-away means. The preparatory step is carried out with a suction device that moves on a suction device track.

Abstract: In a sheet conveying device comprising at least one conveying arrangement with a porous conveyor belt that can be moved in a circulating manner, at least one vacuum source and at least one air line whose one end is connected to the vacuum source and whose other end abuts against the porous conveyor belt, a simple and automatic control of the suction pressure for different sheets is achieved by at least one constant pressure controller in the air line in order to essentially maintain constant a pressure differential between the interior space of the air line and its environment.

Abstract: A pickoff system for removal of mail pieces one at a time from the end of a stack includes a pickoff belt mechanism, a sensor positioned to determine mail piece movement speed, and a measurement device determines belt movement speed during operation of the pickoff belt mechanism. A vacuum system includes a vacuum pump and a vacuum manifold positioned to apply suction to the mail piece in a direction that tends to hold the mail piece against the belt of the pickoff belt mechanism. A controller is configured to compare the belt movement speed and the mail piece movement speed during operation, and when mail piece movement speed is slower than belt movement speed, indicating slipping of the mail piece relative to the belt of the pickoff belt mechanism, the controller temporarily increases suction force applied to a mail piece being transported by the pickoff belt mechanism.

Abstract: A pickoff system for removal of mail pieces one at a time from the end of a stack includes a pickoff belt mechanism positioned to frictionally engage an outer surface of a mail piece at the end of the stack and transport it transversely to a thickness direction of the stack, which mechanism includes one or more belts mounted on rollers and driven by a drive motor. A sensor is positioned to determine mail piece movement speed as it is being transported by the pickoff belt mechanism, and a measurement device determines belt movement speed during operation of the pickoff belt mechanism. A system is provided for reducing or stopping slipping of the mail piece relative to the belt during transport by the belt pickoff mechanism. A controller is connected to the sensor and the belt movement speed measurement device.

Abstract: A feeding device includes: a sheet housing unit; a sheet conveying unit having an endless belt member, which faces a topmost sheet of sheets stacked in the sheet housing unit, and a suction unit disposed inside the belt member; a sheet lifting unit that lifts the topmost sheet to a position where the topmost sheet is attracted on a surface of the belt member by a negative pressure generated by the suction unit; and an external device sheet conveying unit that conveys a sheet fed from another feeding device connected to the feeding device to a gap between the topmost sheet in the sheet housing unit and the belt member. In feeding the sheet fed from the other feeding device to the subsequent step, the sheet lifting unit is stopped while the suction unit, the belt member, and the external device sheet conveying unit are operated.

Abstract: A sheet feeding apparatus, having: a sheet stacking table to stack sheets; a sheet feeding device to feed the sheets one by one from an upper most section of the sheets stacked on the sheet stacking table; an assist air blower device to blow an assist air at a lateral side, a front side or a rear side of the sheet fed from the sheet stacking table so as to assist sheet feeding; a detecting device to detect a behavior of the sheet assisted by the assist air; and a control device to set an amount of the assist air used in image forming to be an optimum air amount based on a detected result which is obtained by detecting the behavior of the sheet when the assist air blower device is operated at a predetermined timing while image forming is not carried out.

Abstract: An apparatus for transporting a transportation target medium, including: an endless belt that has a plurality of belt-side suction holes; and a supporting section that has a plurality of supporting-section-side suction holes, wherein a force of suction acts at areas where the belt-side suction holes substantially overlap the supporting-section-side suction holes for transporting the transportation target medium, the belt-side suction holes are arranged at a first pitch in a first direction, the supporting-section-side suction holes are arranged at the first pitch in a second direction, either of the belt-side suction holes and the supporting-section-side suction holes, or both the belt-side suction holes and the supporting-section-side suction holes, are quadrangular holes, and the open width of each of the quadrangular holes is one half of the first pitch.