Abstract: A sheet conveyance apparatus includes a first conveyance roller configured to convey a sheet, a second conveyance roller configured to convey the sheet at a variable speed ranging from a first sheet conveyance speed to a second sheet conveyance speed wherein the first sheet conveyance speed is less than a sheet conveyance speed of the first conveyance roller and the second sheet conveyance speed is greater than the sheet conveyance speed of the first conveyance roller, a driving unit configured to drive the second conveyance roller, and a control unit configured to control the driving unit.

Abstract: Disclosed is an image forming apparatus including: an ejection section including an ejection roller to eject a sheet from a first sheet passing path to a sheet ejection port and a reverse roller to reverse a transport direction of a sheet transported along a second sheet passing path, the ejection roller and the reverse roller being placed close to each other and close to the sheet ejection port; and a switching lever switches the transport destination of the sheet between the first and the second sheet passing paths for transporting the sheet to the ejection roller and to the reverse roller, respectively. A moving trajectory of a sheet transported along the first sheet passing path between the ejection roller and the switching lever is substantially identical to a moving trajectory of a sheet transported along the second sheet passing path between the reverse roller and the switching lever.

Abstract: According to one embodiment, a recording medium identifying device includes: a sensor set downstream in a recording medium conveying direction of a heating device and configured to detect reflected light of a recording medium; and a control section configured to calculate a printing ratio of the recording medium and determine, if the printing ratio of the recording medium is equal to or larger than a threshold, that the recording medium is un-reusable. An erasing apparatus includes: the recording medium identifying device; a heating device configured to heat the recording medium to temperature equal to or higher than erasing temperature; a switching mechanism configured to switch a recording medium conveying path; and a disposal box in which unusable recording media are stored. If the control section determines that the recording medium is un-reusable, the control section controls the switching mechanism and stores the recording medium in the disposal box.

Abstract: A mechanical device for measuring the width L of a mail item on the fly in a mail handling machine in which mail items are caused to move along a mail item conveyor path, parallel to a reference wall; said mechanical device comprising a device for detecting a leading edge of a mail item, a downstream lever disposed across the mail item conveyor path and forming a determined angle relative to said reference wall, a device for detecting said downstream lever moving as the leading edge of the mail item goes past, a device for determining a movement distance over which the leading edge of the mail item moves between the device for detecting a leading edge of a mail item and a point of activation at which said leading edge activates said downstream lever, which point of activation is determined by the device for detecting the downstream lever moving, and a computation device for computing the width L of the mail item on the basis of said movement distance.

Abstract: An inkjet printer includes a body defining a print media path along which print media can pass. A disposable printhead assembly is arranged within the body and is configured to print upon print media passing along the print media path. A print media input tray is pivotally mounted with respect to the body for locating the print media in register with the print media path. A print media feed arrangement is configured to feed the print media from the input tray and along the print media path. Printer controller circuitry is arranged in the body and is operatively connected to the printhead assembly and print media feed arrangement to control operation of those components.

Abstract: A reflective sheet detector includes first and second guide plates constituting a sheet travelling path, an emitter, a receiver and a reflecting portion. The emitter is disposed on a first side of the sheet travelling path and close to a first input opening of the first guide plate. The receiver is disposed on the first side and close to a first output opening of the first guide plate. The reflecting portion is disposed on a second side of the sheet travelling path opposite the first side and is close to the second guide plate. The emitter outputs a signal to the reflecting portion through the first input opening and a second input opening of the second guide plate, and the reflecting portion reflects the signal to the receiver through a second output opening of the second guide plate and the first output opening.

Abstract: A sheet member positioning device includes a plate on which a sheet member is loaded; a reference member provided at a side, in a first direction, of the plate, the sheet member being able to abut the reference member; a conveying member provided at a side, in a second direction, of the plate, and due to the conveying member being moved toward the side in the first direction and conveying the sheet member, the conveying member makes the sheet member abut the reference member so as to determine a position of the sheet member in the first direction; and a detecting mechanism which, at a time when the position of the sheet member in the first direction is determined, detects a distance between the reference member and the conveying member, and detects a size of the sheet member on the basis of the detected distance.

Abstract: A substrate manager for a substrate exposure machine is used, in one example, as a platesetter. As such, it comprises a substrate storage system, containing one or more stacks of substrates, such as plates in one implementation. A substrate picker is provided for picking substrates from the stack of substrates. The substrates are then handed to a transfer system that conveys the substrates to an imaging engine. A substrate registration system is provided upstream of the imaging engine. The substrate registration system includes (1) a substrate transfer system for supporting and conveying substrates and (2) at least one engaging member for pushing the substrates on the substrate transfer system to a desired position. Preferably, two sets of engaging members are used, one on either side of the plates. This allows angular as well as positional registration. The substrate transfer system includes a frame and a series of rollers for supporting the substrates.

Abstract: A document alignment system comprises a feed system (6), defining an elongate path, for feeding documents along the path. The feed system is adjustable to vary the orientation of the elongate path in a lateral plain so as to cause a document to undergo a corresponding lateral shift as it is moved along the path. A detector (25,26) detects the lateral position of a document upstream of the elongate path. A control system (70,17,17′) is responsive to the detector (25,26) to adjust the feed system (6) so that the document undergoes a desired amount of lateral movement as it is moved along the elongate path.

Abstract: A printing press electronic side guide registry apparatus for sheet stock to be printed on a printing press having a print cylinder, print stock forward motion advancer through the print cylinder, and a forward motion registry stop including a laterally movable side registry stock gripper device comprising a slide anvil positioned to be adjacent one surface of the stock, and a fluid cylinder positioned to be adjacent the opposite surface of the stock, aligned with the slide anvil to grip sheet stock therebetween, the slide anvil and fluid cylinder both mounted on a laterally shiftable support movable transverse to sheet stock forward motion, a nut connected to the support, and a laterally extending screw operably engaging the nut, a rotational servo motor drivingly connected with the screw for rotation of the screw to laterally drive the nut, support, fluid cylinder and slide anvil, and a sheet edge detector electrically associated with the servo motor to controllably actuate and deactuate the servo motor, wh

Abstract: A conveyance device 4 for conveying a manuscript to an image reading section of a main body mounted by an image processing system is provided with a base member 6 removably fixed to the main body to provide a conveyance path 5, a driving mechanism and a manuscript guide member 8 for driving and conveying the manuscript. The manuscript is located between the manuscript guide member and a rib 9 at a left-hand side, and conveyed in a stable status. On a surface of a top end of a moving member 16 associated with the manuscript guide member is provided a white colored plate 17. A groove portion 18 other than the plate is dark, and the image is read to be binary coded whereby a pixel corresponding to the plate indicates "1". A position of the plate is located in the guide member or a right hand side edge of the manuscript, and a left hand side edge is fixed by the rib. Accordingly, a manuscript width (read width) Is determined from the pixel "1".

Abstract: A combination is provided on a feeder table of a sheet-processing machine, which includes a front lay member cyclically swivelable about an axis, in accordance with a sheet-conveying cycle, and a leading-edge stop for effecting an alignment of paper sheets, the leading-edge stop being disposed on and swivelable with the front lay member out of an alignment position, into a rest position and back into the alignment position, the leading-edge stop including an adjustment device for adjustably fastening the leading-edge stop in a respective position thereof in a conveying and counter to a conveying direction, respectively, of the paper sheets with respect to the front lay member in the alignment position of the front lay member for engaging and disengaging the alignment of the paper sheets by the leading-edge stop.

Abstract: The present invention provides a sheet feed device having a sheet supporting device for supporting a sheet, a regulating member for regulating both one lateral edge and a rear edge of the sheet, and a positioning device for positioning the regulating member in a position depending upon the size of the sheet supported by the sheet supporting device.

Abstract: A sheet feeder of the present invention allows a sheet feed cassette having a small capacity and a sheet feed cassette having a large capacity to be installed to a sheet feed unit by making not only members for connection between each sheet feed cassette and the sheet feed unit but also their positional relationship in common.

Abstract: A unit for feeding semifinished parts, whereby a carriage travelling along a straight slideway supports a rectangular table in turn supporting a parallelepiped stack of semifinished parts and which is floatable by means of an air cushion. The carriage presents a device for positioning the stack and comprising four articulated arms, each fitted to the carriage and having, on its free end, a locating element designed to contact the lateral walls of the stack.

Abstract: Table cover in the vicinity of a positionally adjustable side lay of a sheet-fed printing press includes a member defining a continuous surface of a table top extending over a distance corresponding to a range of width of a sheet format adjustable by a selective positioning of the side lay, the member defining the continuous surface being formed with flexible regions, and with regions yieldable to the side lay at all positions of the side lay.

Abstract: A rotary sheet-printing press includes a register bar; a plurality of front lay marks mounted on the register bar in a series extending perpendicularly to a sheet-feeding direction; a plurality of setting motors, each connected to a separate front lay mark for shifting each front lay mark parallel to the sheet-feeding direction; a control panel; manually operable controls mounted on the control panel in a field of vision of the front lay marks and connected to the setting motors for energizing the setting motors of a desired number of arbitrarily selected front lay marks and for adjusting the selected front lay marks parallel to the sheet-feeding direction; and a visual indicator mounted on the control panel and operatively connected to the front lay marks for displaying actual positions thereof.

Abstract: An electronic filing system includes a conveying section to convey an original put on an original setting plate to a reading position, a reading section to read an image of the original at the reading position, a manual feed mode control means device for executing a manual feed mode to convey and read the original each time it is detected that the original has been set onto the original setting plate, a continuous feed mode control means device for executing a continuous feed mode to continuously convey and continuously read a plurality of originals which were piled on the original setting plate, a mode selecting circuit to select either one of the manual feed mode and the continuous feed mode and a memory section to store the image which was read by the reading section together with index information.

Abstract: A process and an apparatus for prestacking in a sheet feeder of a rotary printing press provided with lateral stack stops, which can be adjusted to the format of the sheet to be printed, the printing press also having an automatic lateral stacking orientation and a stack raising apparatus, which are designed so that they make possible an easy manual prestacking in the sheet feeder by the operator.

Abstract: A paper feeding cassette case in an image forming apparatus according to the present invention is so adapted that an arbitrary internal unit out of a plurality of types of internal units including at least one internal unit of a universal type having a structure in which paper sheets of a plurality of sizes requiring the switching of the printing ranges can be set can be attached thereto. In the paper feeding cassette case, detecting member mounting portions are respectively formed in different positions respectively corresponding to the types of internal units, and the detecting member and each of the detecting member mounting portions are provided with mounting member for detachably mounting the detecting member on the detecting member mounting portion.

Abstract: A universal sheet feed cassette for use in an apparatus using various commercially standard and commercially nonstandard sheet sizes during its operation. The universal sheet feed cassette discloses the size of the sheets contained within the cassette by a tracking of the movement of the cassette's movable guide. The apparatus in which the cassette is loaded can then detect the sheet size contained within the cassette. Once the sheet size is detected, the apparatus adjusts its operating parameters to adapt to the size sheet contained within the cassette.

Abstract: A positioning apparatus for positioning a reciprocally movable member, such as a guide member for a sheet of recording paper, between a reference position and a predetermined position. The apparatus includes a detector for detecting that the movable member is in the proximity of the reference position, and a counter for counting the amount by which the movable member is shifted while the detector is detecting that the movable member is in the proximity of the reference position. A controller stores the value counted by the counter, and controls drive of the movable member when the movable member is being returned to the reference position based on the count in the counter and the stored count value. A second counter may be provided to count the amount by which the movable member is shifted from the reference position to the predetermined position.

Abstract: A workpiece is aligned in the X, Y coordinate plane at a predetermined X, Y reference coordinate. Separate X and Y coordinate transports rapidly transport and align the workpiece. Deceleration means prevent the workpiece from slipping on the work surface. An adjustable, stationary workpiece engaging plate speeds the cycle time of the device by providing dual coordinate alignment of the workpiece. Sensors are provided to detect the presence of a workpiece properly aligned in the X, Y coordinate plane. The sensors may be either individually connected or coupled through a control means to previous and succeeding workstations in such a manner that the invention can interrupt the "fault chain" that occurs when a workpiece becomes fouled along the assembly line.

Abstract: A system is disclosed for registering a sheet in punch press or other apparatus having a control system carrying out a programmed position of the sheet during punching operations, in which a movable locator plate is urged into an advanced position along an axis of movement so as to be displaced when the sheet is moved a fixed distance along one axis. A distance transducer generates a continuously varying electrical signal corresponding to the displacement of the locator plate from its advanced position, which signal is transmitted to the control system to modify the part program in accordance with the actual location of the sheet.

Abstract: An apparatus for conveying a base is disclosed which comprises a crosswise base guide for causing a centerline in a conveyance direction of the base to coincide with a centerline in the conveyance direction of the apparatus, a base position detecting sensor for causing the crosswise base guide to start its operation and base breadth detecting sensors for causing the crosswise base guide to stop its operation. The apparatus may further comprise base guide moving mechanism for causing a centerline of the crosswise base guide to coincide with the centerline of the thin film.

Abstract: A system for setting or adjusting the proper registration position of the original document in a copier having a document feeder providing a variable document registration position on the platen, and numeric data key entries programmable in specialized diagnostic modes, and non-volatile memory. The system involves registering and copying a test sheet using the document feeder in its initial, unadjusted, registration setting. The test sheet has a test pattern of registration position indicia with identifying numeric indicia, and also having a registration window at an optically reversed position on the test sheet from the test pattern and a cursor pointing to a specific position within the window.

Abstract: An adjustable sheet cassette for use in apparatus feeding sheets such as in an automatic copier or printer comprises a sheet stack support platform capable of supporting stacks of sheets of a plurality of length and width dimensions, sheet width and length dimension representing members on the cassette, each independently movable to a plurality of positions representing a plurality of sheet width and length dimensions which are automatically positioned to represent the sheet width and sheet length dimensions of the stack of sheets on the platform with their position being detected by detectors on the main apparatus and a controller to determine the length and width dimensions of the copy sheets in the cassette thereby enabling the apparatus to automatically select the correct cassette to supply sheets for a printing operation. In a preferred embodiment a binary code is provided which represents the sheet length and width which is decoded by the controller.

Abstract: A paper cassette for storing and supplying paper to a smart printer or copier includes a frame for holding the paper, a movable longitudinal paper guide within the frame adjustable to the length of the paper, and a pair of movable horizontal paper guides within the frame adjustable to the width of the paper. The two movable horizontal guides are linked together so that they move symmetrically with respect to a longitudinal central axis of the frame. The longitudinal paper guide is adjustable independently of the adjustment of the pair of horizontal paper guides. The cassette further includes a first sensor connected to the longitudinal guide and a second sensor connected to one of the horizontal guides. These sensors travel along first and second predetermined paths in conjunction with movements of the longitudinal paper guide and the horizontal paper guides so that the positions of the paper guides are communicated to a controller which automatically formats the printing on the paper.

Abstract: A sheet member feeding cassette comprises a main unit wherein sheet members are stored in a stacked manner. A longitudinal hole extending in the direction of feeding sheet member is formed on a supporting plate installed above a bottom plate of the main body, and a pin extending from the bottom plate is inserted into this longitudinal hole so as to be movable along this hole. A bent slit is formed on the long lever supported rotatably by a shaft between the bottom plate and the supporting plate, and the pin is inserted through this slit. By moving a contact plate fixed to the top of the pin along the longitudinal slit, the lever is pushed by the pin, being rotated. A piece to be detected installed outside the main unit and also an indicator panel are fixed to a wire fixed to the free end of the lever. When the position of the contact plate is changed the position of the piece to be detected is changed and also the position of the indicator panel is changed.

Abstract: A sheet aligning device including a pair of side walls located parallel to each other and defining therebetween a space for stacking a plurality of sheets. At least one of the side walls is movable in reciprocatory movement widthwise of the sheets stacked between the side walls to force the sheets against the other side wall so as to align the sheets widthwise thereof which is perpendicular to the direction in which they are delivered. The sheet aligning device includes at least one sensor for sensing the magnitudes of displacements of the sheets widthwise thereof and producing an output for adjusting at least one of the frequency, speed and stroke of the reciprocatory movement of the at least one side wall in accordance with the magnitudes of the displacements.

Abstract: First and second rotatable edge guide rollers are provided having precision roller positioning means for preventing skewing of sheets of predetermined widths, such rollers being laterally shifted in position to accommodate various widths by means of a roller actuation device which controls a counter which counts the extent of travel of a recording head between a reference position and a position indicative of the guide roller position. The count within the counter is examined by logic circuitry which determines whether the rollers are properly positioned across the width of sheets. The sheet reference platen has a plurality of apertures which receive a fiducial referencing projection mounted upon the roller actuation device and when the actuation device and hence the roller is in one of the predetermined positions the projection device will pass through a particular aperture to permit the sheet referencing platen to be lowered into position.

Abstract: A system for remote sensing, indicating and remote control provides for the non-smear guidance of sheets through a sheet-fed machine and is especially useful for printing machines which print on both sides of the sheets. Sheet guides are adjustable during machine operation from a control panel at a central location outside of the machine. The positions of the sheet guides are preferably displayed in direct comparison with zones of ink application. Also, the sheet guides are adjustable from the control panel so that the guides fall within the gaps between printed areas on the sheet. An immediate and graphic check of the sheet guides is provided.

Abstract: A gauging system for an envelope inserter provides simplified set up procedures for adjustment of a set of enclosure pick-up station side guides, an envelope stop and coordinated adjustment of both a set of envelope station side guides and sets of stripper fingers. A panel at the face of the inserter includes a slot and a pointer for lengthwise insertion of an enclosure. The operator places a specimen enclosure against an index end of the slot and rotates a knob to frame the enclosure length between the index and the pointer. Rotation of the knob provides simultaneous movement of the pointer and adjustment of the enclosure side guides to correspond with the framed length. A further slot and pointer are provided for envelope widthwise insertion. Rotation of its knob for framing the envelope width simultaneously adjusts the envelope stop. A further slot and pointer are provided for lengthwise envelope insertion.

Abstract: An adjustable sheet handling apparatus including a member which engages a sheet movable along a path and which is movable into and out of the path and a member for holding the sheet engaging member in the sheet path. The engaging member and holding member are adjustably connected so the position in the path at which a sheet is engaged by the sheet engaging member may be changed without changing the position of the holding member.

Abstract: In a printer where a card or record carrier is inserted for printing on one of a plurality of lines, a device is provided for determining the line to be printed. The device consists of a setting assembly and a stop and rest part. The setting assembly includes a card guide element surrounding and spaced radially outwardly from a setting shaft. The stop and rest part is positioned on the setting shaft and is radially adjusted by a spring against the internal surface in the guide element. The guide element has sensible markings for indicating the line selected to be printed.

Abstract: Sheets are fed down an inclined feedboard to a transfer cylinder of a printing press. Adjacent the delivery end of the feedboard there are a plurality of pairs of feed rolls to accelerate the sheets toward the transfer cylinder and a plurality of front guide members to preregister the front edge of the sheet. The pairs of feed rolls each include a driven roll that oscillates through an arc in timed relation with the transfer cylinder. The feed roll drive mechanism includes pairs of flexible members wrapped in opposite directions around and secured to the feed roll drive shaft on which the driven feed rolls are mounted. In one embodiment one of the flexible members is connected to a lever mechanism and the other flexible member is connected to the press housing through a spring member. In another embodiment both flexible members are connected to the lever member with a spring member on the lever member maintaining a tension on both flexible members.