Abstract: A post-processing apparatus includes a transport path having a first path member and a second path member, a punching member disposed on the transport path to perform punching on the medium. The transport path includes a first transport path disposed downstream of the punching member in a transport direction and a second transport path continuously extending downstream of the first transport path in the transport path, the second transport path having a curved shape to hold the medium in a curved state, the first path member in the second transport path forms an outer side of the curved shape and is disposed at a position further separated from the first surface than the first path member in the first transport path, and an upstream end in the transport direction of the medium in the curved state is moved from the first transport path to the second transport path.

Abstract: An apparatus for aligning at least one note of value along a transport path including at least one transport element, at least one first drive unit, first and second rotatably mounted deflecting elements, and a second drive unit. The transport element includes an endless drive belt. The first drive unit drives the transport element in a first direction of rotation which moves the note of value along the transport path in a transport direction. The transport element is deflected over the deflecting elements. The second drive unit displaces at least one of the first and second deflecting elements along its axis of rotation so that by displacing the one of the first and second deflecting elements the note of value contacting the at least one transport element is moved obliquely to the transport direction.

Abstract: A sheet feeding apparatus includes a first drive roller and a second drive roller disposed downstream of the first drive roller and configured to rotate at a peripheral speed greater than a peripheral speed of the first drive roller. The first drive roller includes a drive shaft and a roller portion. The roller portion is configured to contact the sheet and is movable relative to the drive shaft in an axial direction and a rotation direction of the drive shaft. One of the drive shaft and the roller portion of the first drive roller includes a protrusion protruding toward the other one of the drive shaft and the roller portion. The other one of the drive shaft and the roller portion of the first drive roller includes a recessed portion. The recessed portion includes a peripheral wall that defines an opening such that the protrusion is positioned in the opening.

Abstract: A method and an apparatus for holding down a sheet on a feed table of a sheet-processing machine include a lowerable smoothing bar which can be driven according to a speed profile in time with the sheet-processing machine, which results in a targeted deflection of the smoothing bar. The deflection is preserved for the purpose of smoothing the sheet from the middle to the side.

Abstract: Preformed bag feeder for packaging machines which comprises buckets containing the preformed bags and first means for picking up successive bags from the buckets and for supplying the bags, one by one, to fastening clamps located at a point of the trajectory of the transporter, the clamps allowing pick-up of the successive bags, in a vertical orientation, by the transporter. The transporter comprises, following the fastening clamps, a positioner that carries out the horizontal and vertical alignment of the successive bags with respect to horizontal and vertical reference lines; arranging the bags in a fixed position wherein the lower extremity of the successive bags matches the horizontal reference line and the aforementioned bags are centered with respect to the vertical reference line.

Abstract: A sheet conveying apparatus includes first and second conveyance roller pairs, a width-direction shifting unit, first and second drive units, and a control unit. The second conveyance roller pair is arranged downstream of the first conveyance roller pair to nip and convey the sheet conveyed by the first conveyance roller pair, and to bend the sheet. The width-direction shifting unit shifts the sheet nipped by the second conveyance roller pair in a width direction by shifting the second conveyance roller pair in the width direction. The control unit controls the first and second drive units so that a circumferential speed of the first conveyance roller pair is made higher than that of the second conveyance roller pair between when the second conveyance roller pair starts conveying the sheet and when the width-direction shifting unit completes shifting the second conveyance roller pair in the width direction.

Abstract: An apparatus and method for feeding histology specimen slides from a stack of the slides in a slide printer. The stack of slides includes first, next-to-be removed and second slides having adjacent surfaces. A flow of gas is applied to a location that the adjacent surfaces of the first and second slides meet when removing the first slide from the stack. The flow of gas, which may be a jet or blast of air applied through a nozzle, and which may be applied before and/or during the removal of the slide from the stack, helps un-stick the slides to enhance the feeding action.

Abstract: A device for reducing rotation of an article during singulation of a stack of articles is disclosed. The device may include a torsion element, a rotatable member configured to rotate about an elongated axis of the torsion element between a first position and a second position, and a revolving member coupled to the rotatable member. An outer surface of the revolving member contacts a drive belt in the first position and an article in the second position. The torsion element exerts torque on the rotatable member when it moves from the first position towards the second position. The torque causes the outer surface of the revolving member to apply a frictional force to the article, thereby minimizing rotation of the article. Systems and methods of singulating articles are also disclosed.

Abstract: A sheet processing apparatus, including: a stacking section; a first alignment section which aligns both end portions in a sheet conveyance direction of the sheet stacked in the stacking section; a second alignment section which aligns both end portions in a width direction, that is orthogonal to the sheet conveyance direction, of the sheet aligned by the first alignment section; a sheet ejection section which ejects the sheet stacked in the stacking section outside the stacking section; and a control section which moves a pair of horizontal alignment plates away from the both end portions in the width direction of the sheet after operating a gripping section so as to grip the sheet in a state where the pair of horizontal alignment plates contacts the both end portions in the width direction of the sheet supported by a supporting section.

Abstract: A method and dot printer for dot printing on a card. A method includes receiving a card on a plate-like element of a carriage in a manner that a lateral movement of the card one of on or above the plate-like element is stopped by an abutment element, moving the plate-like element and card in a direction crosswise to the lateral movement until a main side of the card abuts a first abutment surface of an abutment structure and a main edge of the plate-like carrier abuts a second abutment surface of the abutment structure. The first abutment surface and the second abutment surface are not coplanar. The method also includes transporting the plate-like element and the card in a direction away from the abutment structure to a printing station and activating the printing station for dot printing on the card.

Abstract: According to an embodiment, there is provided a sheet processing apparatus includes a stacking unit that stacks a sheet conveyed thereto; a first alignment unit that aligns the sheet or a bundle of sheets stacked in the stacking unit in a sheet conveying direction; a second alignment unit that aligns the sheet or the bundle of sheets stacked in the stacking unit in a direction orthogonal to the sheet conveying direction; a pressing unit that presses the bundle of sheets at an end portion thereof on a predetermined one side; and a control unit that causes at least one of the first and second alignment units to execute an alignment operation during a press operation of the sheet or the bundle of sheets performed by the pressing unit.

Abstract: An image forming apparatus includes: a recording medium conveying mechanism configured to convey a recording medium; a registration roller configured to correct the direction of the recording medium; a first sensor set upstream in a recording medium conveying direction of the registration roller; an image forming section configured to form an image on the conveyed recording medium; and a lateral shift correcting apparatus set downstream of the image forming section and configured to correct the position of the recording medium in an oblique direction by an angle corresponding to a lateral shift amount of the recording medium detected by the first sensor.

Abstract: A method of a sheet alignment includes carrying a sheet from a sheet discharging port; transferring the sheet on a tray device toward a sheet end regulating device; moving the sheet on the tray device in a width direction orthogonal to the sheet discharging direction for widthwise alignment; and abutting again the sheet on the tray device against the sheet end regulating device while the sheet is in the widthwise alignment. When the sheet on the tray device is transferred toward the sheet end regulating device, the sheet is transferred at a predetermined speed. Before the sheet abuts against the sheet end regulating device, the speed is reduced to provide a conveying force to the sheet without stopping. While the conveying force is continuously applied to the sheet, the sheet is aligned in the width direction to thereby prevent skewing of the sheet relative to the sheet end regulating device.

Abstract: An apparatus includes a first conveyance unit configured to convey a sheet, a first guide located downstream of the first conveyance unit in a conveyance direction and configured to guide a first side end of the conveyed sheet, a skew unit configured to convey the sheet in an oblique direction to come closer to the first guide, a second guide configured to contact a second side end opposite the first side end to guide the second side end, a second conveyance unit located downstream of the first guide in the conveyance direction, and a control unit configured to perform control so that, after conveying the sheet by the skew unit with the first guide contacting the first side end while the second guide is separated from the second side end, the second guide moves to a position close to the second side end.

Abstract: Disclosed is a pneumatic table for registering a substrate media sheet. The table including a media platen, a reversible air blower, a registration wall and a sheet biasing element. The media platen having a foraminous upper surface for received the sheet. The reversible air blower selectively generating at least one of a positive air flow and a negative airflow through the foraminous upper surface. The positive air flow forming a gaseous layer of air between the foraminous upper surface and the sheet. The negative airflow encouraging the sheet to remain fixed and engaged upon the foraminous upper surface. The registration wall extending along at least one edge of the foraminous upper surface. The sheet biasing element selectively applying a horizontal biasing force to the sheet encouraging movement of the sheet across the foraminous upper surface for engaging the sheet with the registration wall.

Abstract: A control portion controls a skew feed correcting portion so that a first skew feed correcting operation for correcting skew feed of a sheet while turning the sheet based on one edge of the sheet crossing a sheet conveying direction is performed in a case where a first alignment operation based on a position of one edge of the sheet is performed when a sheet processing portion processes the sheet. Further, the control portion controls the skew feed correcting portion so that a second skew feed correcting operation for correcting the skew feed of the sheet based on a side edge of the sheet parallel to the sheet conveying direction is performed in a case where a second alignment operation based on a position of the side edge of the sheet is performed when the sheet processing portion processes the sheet.

Abstract: A sheet alignment apparatus includes: a sheet storage section for storing sheets; a sheet push-up section for conveying the sheets in the sheet discharge direction; a sheet discharge section having a pair of forward and reverse rotatable rollers configured to align sheet between the rollers and the sheet push-up section and to then discharge the sheets by sandwiching the sheet in the nip portion between the pair of rollers; and a sheet width direction alignment section located between the sheet storage section and the sheet discharge section and configured to align the sheets in the width direction perpendicular to the sheet discharge direction, wherein the sheet discharge section causes the pair of rollers in the reverse direction so as to separate the sheet edge in the sheet discharge section from the nip portion before the lateral alignment performed by the sheet width direction alignment section.

Abstract: A sheet post-processing apparatus includes: a sheet conveying unit that conveys a sheet; a sheet accumulating feed path that is arranged on a downstream side of the sheet conveying unit in a sheet conveying direction and being capable of accumulating therein a plurality of sheets; a stopping member that stops a leading edge of a sheet conveyed into the sheet accumulating feed path; a width aligning unit that aligns a width of the sheet stopped by the stopping member and accumulated in the sheet accumulating feed path; and a control unit that performs control to cause: the sheet conveying unit to convey a sheet into the sheet accumulating feed path; the stopping member to stop the leading edge of the sheet; and the width aligning unit to align the width of a sheet every time a sheet is accumulated in the sheet accumulating feed path.

Abstract: A device includes a conveying unit conveying a sheet, a guide, disposed downstream of the conveying unit in a conveying direction, guiding one side end of the conveyed sheet while being in contact with a side end, a feeding unit obliquely conveying the sheet closer to the guide, a pressing unit pressing the conveyed sheet in a direction in which the sheet moves away from the guide, and a control unit controlling the pressing unit and the feeding unit so that the feeding unit nips the pressed sheet to form a loop in the sheet between the conveying unit and the feeding unit and then conveys the sheet while the side end of the sheet is in sliding contact with the guide.

Abstract: Provided is a device for the alignment of sheets in a printing machine, said device comprising two pairs of rollers for the alignment of the sheets in their advance direction, for the alignment transverse to their advance direction and with respect to skewing, whereby each pair of rollers consists of a driving roller and of a counter-pressure roller. One drive unit is provided for each of the two driving rollers, whereby each of the drive units consists of a motor and a drive shaft linked therewith, whereby the driving rollers are non-torsionally accommodated on respective drive shafts. The driving rollers can be slid in linear direction on their drive shaft, or the respective drive shafts, and thus the driving rollers accommodated thereon, can be linearly shifted with respect to their drive motors.

Abstract: A sheet conveyance apparatus includes a reference surface extending along a sheet conveyance direction and configured to regulate the position of a side edge of a sheet to be conveyed, a skew conveyance mechanism configured to convey the sheet obliquely so that the side edge of the sheet collides against the reference surface, and a sheet deforming unit configured to deform the side edge of the sheet when the sheet is conveyed toward the reference surface by the skew conveyance mechanism.

Abstract: A conveying unit receives a sheet from an upstream unit and conveys the sheet on a conveying path. A stacking unit stacks the sheet conveyed from the conveying unit. An aligning unit sets the sheet back in a direction opposite to a sheet conveying direction and aligns the sheet by bumping the sheet against a reference wall. A sheet discharging unit discharges the sheet aligned on the stacking unit. When a predetermined condition is satisfied, a control unit sets a timing for discharging the sheet by the sheet discharging unit earlier than a normal sheet discharge timing.

Abstract: An image forming apparatus includes a sheet stacking apparatus including: a sheet stacking portion on which a sheet is stacked; a sheet conveying portion which conveys the sheet onto the sheet stacking portion; a first aligning member moving along a sheet conveying direction to align the position of the sheet stacked on the sheet stacking portion; and second aligning members which move in a width direction crossing the sheet conveying direction to align the position in the width direction of the sheet stacked on the sheet stacking portion, wherein the second aligning members align the sheet stacked on the sheet stacking portion, and the first aligning member aligns the sheet aligned by the second aligning member, and the sheet conveying portion conveys the next sheet onto the sheet stacking portion while the first aligning member is moving for aligning the sheet.

Abstract: A sheet processing apparatus which is cable of moving a sheet without applying extra load to the movement of the sheet in the case of laterally moving the sheet for sorting after completion of punching of holes in the sheet. A sheet is conveyed toward an abutment member. The sheet comes into abutment with the abutment member, whereby skew of the sheet is corrected. A punching unit punches holes in the sheet in abutment with the abutment member. A shift unit shifts the punched sheet that has been punched by the puncher in a direction intersecting with a conveying direction of the conveying unit. A controller causes the shift unit to start shifting the sheet in response to separate between the punched sheet and the abutment member.

Abstract: A sheet conveyance apparatus provides skew correction roller pairs which rotate a sheet while conveying the sheet to correct skew of the sheet, and lateral registration roller pairs which moves the sheet in a direction orthogonal to the sheet conveyance direction to correct the lateral registration. When the lateral registration is corrected, assist roller pairs arranged downstream is moved in the same direction as the lateral registration roller pairs in synchronization with the lateral registration roller pairs.

Abstract: A sheet conveying device for conveying a sheet includes a displacement-amount detector configured to detect an amount of displacement of a conveyed sheet from a conveyance reference in a width direction being substantially perpendicular to a sheet conveying direction and a plurality of sheet conveying roller portions configured to be shiftable in a direction substantially perpendicular to the sheet conveying direction while pinching the sheet having the amount of displacement detected by the displacement-amount detector. Before the sheet reaches the sheet conveying roller portions, the sheet conveying roller portions are shifted based on the amount of displacement detected by the displacement-amount detector from a conveyance-reference position in a direction in which the sheet is displaced. After the sheet reaches the sheet conveying roller portions, the sheet conveying roller portions are shifted while pinching the sheet so as to reduce the amount of displacement.

Abstract: A sheet conveying apparatus for conveying a sheet to an image forming portion has a first aligning member for effecting the alignment of the sheet with one of the opposite side edges of the sheet parallel to a sheet conveying direction as a reference, a second aligning member for effecting the alignment of the sheet with the leading edge of the sheet orthogonal to the sheet conveying direction as a reference, and an aligning operation controlling device for selectively operating one of the first aligning member and the second aligning member on the basis of at least one of image information, sheet information and sheet processing information.

Abstract: An image forming apparatus including a guide unit including: a length-adjusting assembly including a length-adjusting rack part, which is adjusted according to a length of printing medium; a width-adjusting assembly including a width-adjusting rack part, which is adjusted according to a width of printing medium; and a pinion assembly, which interlocks the width-adjusting assembly interlock with the length-adjusting assembly. The pinion assembly includes a first pinion part, which engages with the length-adjusting rack, and a second pinion part, which engages with the width-adjusting rack and rotates together with the first pinion part. The first pinion part and the second pinion part have a stepped shape.

Abstract: The invention relates to a device and a method for aligning at least the front edge of several sheets arranged in a stack, one above the other, whilst maintaining the order of the sheets. Said device comprises a stacking table, one side of which is provided with a front edge stop for aligning the front edge of the sheets. A supporting platform, upon which a stack of sheets can be placed with non-aligned front edges, is arranged upstream of the stacking table. The device is provided with a sheet feeder, which removes the sheets from the supporting platform by placing them in an overlapping stream with the front edges placed under the preceding sheets. A turning device is provided downstream of the sheet feeder, said device turning the overlapping stream in such a way that the front edge area of each sheet is freely accessible.

Abstract: A sheet skew correcting apparatus, incorporated in a printer or the like to correct a phenomenon of obliquely feeding a sheet called skewing. The apparatus includes a transporting path in which the sheet is transported, a pair of registration rollers, a pair of timing rollers disposed upstream from the registration rollers, and a paper guide having a first and a second curved portion and constituting the transporting path. When a sheet fed into the transporting path abuts against a contact point of a registration roller pair, the sheet is further transported by an arbitrary distance in the sheet transporting direction. First and second curves are then formed in the sheet in the first and second curved portions. Then the registration roller pair is rotated in the direction opposite to the sheet transporting direction, the front end of the sheet uniformly abuts against the contact point of the registration roller pair to correct skew.

Abstract: A device for aligning sheets prior to transferring the sheets to a sheet-processing machine includes at least one sheet-gripping device by the aid of which the sheet to be aligned is displaceable, the sheet-gripping device having at least one positioning table displaceable by an actuating drive in at least one of a sheet travel direction, transversely to the sheet travel direction, and in a direction wherein it is pivoted about an axis extending in a direction orthogonal to the sheet travel direction, the sheet to be aligned being fixable on the positioning table; and a method for aligning sheets by the device.

Abstract: A bundled sheet processing apparatus has a chute unit tilting between the first and second positions. A downstream side in the chute unit conveying direction, there is provided a stopper that has the contact surface narrower than the thickness of a bundle and stops the bundle by contacting the end of the bundle in the conveying direction with the contact surface. At this time, sheets protruding beyond the contact surface are detected by a detector.

Abstract: A sheet supply apparatus includes a sheet storage device for stacking and storing sheets; a sheet pick-up device for drawing the sheets from the sheet storage means; a separating device having supply rollers for supplying the sheets drawn from the sheet pick-up means and separating members pressing the supply rollers; a pair of resister rollers for supplying the sheets to an aligning device after resister correction for aligning a transport direction of the sheets separated and transported by the separating device; and a frame for supporting each of the devices. The sheet supply apparatus is also provided with the first press separating device for the supply rollers and the separating members to be in a sheet nipping state or a sheet released state, and the second press separating device for the pair of the resister rollers to be in a sheet nipping state or a sheet released state.

Abstract: In a first aspect, a substrate positioning system includes a plurality of pushers arranged in a spaced relation about a stage adapted to support a substrate. Each pusher is adapted to assume a retracted position so as to permit the substrate to be loaded onto and unloaded from the stage, extend toward an edge of the substrate that is supported by the stage, contact the edge of the substrate, and continue extending so as to cause the substrate to move relative to the stage until the substrate is calibrated to the stage. Numerous other aspects are provided.

Abstract: A method and apparatus of registering two sheets, such as wood veneer sheets, are disclosed. According to the method, firstly two sheets are assembled together by laying one sheet on top of the other sheet in an overlapped relation to each other wherein one end of the upper sheet is positioned outward of one end of the lower sheet. Then, the two sheets thus assembled are moved by a conveyer in the above overlapped relation in such an orientation that the above ends are moved as the leading ends. For registration of the sheets, there is provided a stop device having a stop surface extending perpendicularly to the direction in which the sheets are moved by the conveyer. On the way of movement of the sheets, firstly the upper sheet is stopped by the stop surface with the leading end thereof aligned against the stop surface, and subsequently the lower sheet is stopped by the stop surface with the leading end thereof aligned against the same stop surface.

Abstract: A banknote receiving machine conveys inserted banknotes on a conveying path and corrects their conveying posture by a posture correction device. Downstream of the posture correction device, sensors detect features of banknotes from feature portions thereof. Kinds and directions of the front/back and the top/bottom of banknotes are detected by posture detecting sensors that are provided in front of the posture correction device. Position correction amounts are acquired corresponding to the kinds and the directions of the banknotes from a memory. Conveying postures are corrected based on position correction amounts and the feature portions of the banknotes in alignment with the conveying posture correcting sensors.

Abstract: A method for locating and conveying a veneer sheet includes: causing a downstream end of a veneer sheet conveyed by a travelling conveying member to abut against a blocking member to correct the attitude of the veneer sheet in such a state that a downstream end of the veneer sheet is perpendicular to the conveying direction of the veneer sheet; and after moving the conveying member in a direction perpendicular to the conveying direction until one side end of the veneer sheet perpendicular to the conveying direction reaches a predetermined position and stopping the conveying member, moving the blocking member to a position where the blocking member does not abut against the veneer sheet. Accordingly, attitude correction of a veneer sheet and locating thereof in the direction perpendicular to the conveying direction can be performed effectively.

Abstract: A printer or copier has a sheet alignment apparatus including a pair of detents, or walls, at a right angle to one another against which the sheet is moved. To move the sheet, a sheet positioning mechanism is provided which includes two paddlewheels that engage the sheet as they rotate and that are directed offset from one another. The paddlewheels may be angled to shear with one another, and the mounting on which they are supported may be pivotable to redirect the paddlewheels.

Abstract: A method and a device for aligning sheets. The device includes a first and a second supporting stop for supporting the sheet against gravity in a first non-aligned position of the sheet. The device further includes two alignment stops and an actuator for moving the sheet from the first non-aligned position to a second aligned position. In the second aligned position, a substantially straight edge of the sheet contacts the two alignment stops and the first supporting stop supports the sheet while the second supporting stop does not support the sheet.

Abstract: The invention relates to a process and a device for alignment of sheet material (1) which is conveyed in one conveyor plane (9). The sheet material is conveyed on bodies (35) of revolution and aligned by means of triggerable alignment elements (25) in the conveyor direction (22) and perpendicular to the conveyor direction (22). The alignment elements (25) are assigned to an alignment unit (8). The alignment motion necessary for alignment of the sheet material in the conveyor direction (2) and perpendicular thereto takes placed by separate alignment elements (25) which can be triggered independently of one another during conveyance of the sheet material (1) with the process speed.

Abstract: Before stopper members (25) of a skew correcting mechanism (10) are evacuated from a sheet conveyor path, sheet conveyor roller pairs (8) rotate a set angle in a direction opposite to the sheet feeding direction such that a sheet is separated from the stopper members (25). The sheet conveyor roller pairs (8) are arranged so that at least one of the rollers of each pair is independently pressed against the other with a force corresponding to the type of the sheet.

Abstract: The present invention provides an input roller system for displacing a printing plate toward and against a plurality of registration pins located on an external drum of an imaging system. The input roller system deskews the printing plate relative to the registration pins.

Abstract: A print-medium transport unit including discharge rollers, a paper guide, and a lock member. The discharge rollers transport post-printed paper toward an outlet and can hold the leading end of the paper. The paper guide is placed upstream from the discharge rollers, and guides the leading end of the paper into the discharge rollers. The paper guide is rotatably supported so that the upstream side thereof opens a transport path of the paper, whereby when the leading end of the paper is held by the discharge rollers, the transport path allows the paper to be curved like a loop. The lock member locks the rotation of the paper guide when the leading end of the paper is guided into the paper guide. When the leading end of the paper reaches a predetermined position, the locking of the lock member is released.

Abstract: A single aligning roller is disposed at angle to each of two reference barriers to which a printed sheet is to be advanced so as to be aligned at a specific location for stapling. The aligning roller exerts a greater force towards the reference barrier further from the adjacent edge of the printed sheet to be aligned. The aligning roller is preferably at 66° to the reference barrier further from the adjacent edge of the printed sheet to be aligned.

Abstract: Sheets (57) exit printer (1) into finisher (3) where they are moved against perpendicular reference walls (61, 69) by frictional fingers (21, 23). The fingers are rotated away while a sheet is moved downward. Since the fingers are near their reference surface, buckling of the sheets normally does not occur, so the sheet stays in place. In an embodiment, the fingers move with a resilient force selected to be low enough so that the fingers stop when the sheet contacts the reference wall.

Abstract: A method and device for aligning stacked or piled sheets in a feeder of a sheet-processing machine, wherein a sheet to be separated is pivotable about a vertical axis extending at least approximately orthogonally to a transport direction of the sheet, as viewed in the transport direction thereof, in order to correct a skewed position of a leading edge thereof relative to at least one front lay. The method further includes determining, relative to the front lay, a skewed position of sheets oncoming at the front lay or resting at the top of the sheet pile, and displacing, transversely or approximately transversely to the transport direction, either the sheet pile, before the sheet is lifted therefrom, or the sheet lifted off the sheet pile, depending upon the determined skewed position, over a displacement distance that is of such length that, after the skewed-position correction, there is a defined spaced distance between a side edge of the sheet and at least one side lay.

Abstract: A method for locating and conveying a veneer sheet includes: causing a downstream end of a veneer sheet conveyed by a travelling conveying member to abut against a blocking member to correct the attitude of the veneer sheet in such a state that a downstream end of the veneer sheet is perpendicular to the conveying direction of the veneer sheet; and after moving the conveying member in a direction perpendicular to the conveying direction until one side end of the veneer sheet perpendicular to the conveying direction reaches a predetermined position and stopping the conveying member, moving the blocking member to a position where the blocking member does not abut against the veneer sheet. Accordingly, attitude correction of a veneer sheet and locating thereof in the direction perpendicular to the conveying direction can be performed effectively.

Abstract: A method for the register-true alignment of sheets (1) before the transfer to a sheet-processing machine with the assistance of a carrier (7,9) that is movable in the machine cycle and is driven as a function of a signal, in order to feed the sheets individually to an aligning stop. To permit exact and reliable alignment even at high machine speeds with an uncomplicated mechanism, the signal is generated when a sheet edge (12) to be fed passes a predetermined location between the carrier (7,9) and aligning stop (5), and in response to the signal, the carrier performs a preset movement, identical from sheet to sheet, by which the carried-along sheet (1) is fed to the aligning stop with a speed greater than zero, but substantially less than the maximum sheet speed during the feeding movement. The method is particularly suitable for side-edge alignment, but is also suitable for leading-edge alignment.

Abstract: An imaging system includes a roller assembly adapted to guide sheet material in the system into an accumulator, a sheet registration assembly. The registration assembly includes a lateral fence extending along a first edge of the accumulator. The lateral fence is adapted to contact a lateral edge of sheets fed into the accumulator. A longitudinal fence extends along a second edge of the accumulator. The longitudinal fence is adapted to contact a longitudinal edge of sheets fed into the accumulator. A helical registration member is mounted in contact with sheet material entering the accumulator and, is adapted for rotation with the roller assembly. Rotation of the helical registration member with the roller assembly causes the helical registration member to exert a force to urge each sheet of material entering the accumulator toward the lateral fence and the longitudinal fence of the accumulator.

Abstract: A device for aligning sheets prior to transferring the sheets to a sheet-processing machine includes at least one sheet-gripping device by the aid of which the sheet to be aligned is displaceable, the sheet-gripping device having at least one positioning table displaceable by an actuating drive in at least one of a sheet travel direction, transversely to the sheet travel direction, and in a direction wherein it is pivoted about an axis extending in a direction orthogonal to the sheet travel direction, the sheet to be aligned being fixable on the positioning table; and a method for aligning sheets by the device.