Abstract: A paper delivery apparatus of a printing machine includes a holding device having at least a pair of rotating members fitted, in the vicinity of both side edges of printed sheets, with a paper receiving section for holding the side edges of the printed sheets ejected from the printing machine, a driving device for rotating the rotating member to move downward in succession the printed sheets held on the paper receiving section. A paper stacking section disposed beneath the rotating body for holding the printed sheets which have been released from the paper receiving section; and a space between the paper receiving section for holding one side edge of the printed sheet and the paper receiving section for holding the other side edge of the printed sheet is set narrower at the lower part of the rotating member for discharging the printed sheet than at the upper part of the rotating member for receiving the printed sheet.

Abstract: A turning device for transport apparatus which receives product such as paper folders, stops the product and rotates the product 90 degrees with the product then transported in the same direction by the apparatus for further operations as required.

Abstract: A system for assisting manual placement of odd-shaped original documents on the exposure platen of a copier or scanner includes a detection device disposed on an edge of the platen. The device includes a light source emitting a light beam substantially parallel to a surface of the platen, and a photosensor adapted to detect light resulting from the reflection of the light beam by an object on the surface of the platen. A main focus direction of the light source and a main focus direction of the photosensor intersect at a predetermined position on the surface of the platen.

Abstract: In a reproduction system in which a reproduction apparatus with an output of printed sheets at a sheet output position (usually edge registered) is operatively connected to an output sheet processing apparatus having a sheet input position (usually center registered) for sequentially receiving and processing the printed sheets, a lateral alignment system is provided for laterally aligning the sheet input position of the output sheet processing apparatus directly with the sheet output position of the reproduction apparatus without an intermediate sheet transport. The lateral alignment is preferably with a universal interconnect and transporter module or unit adapted to support and transport various different sheet processing apparatus.

Abstract: The production of offset stacks of business forms is effected in a continuous (i.e. without interruption) manner until a vertical stacker into which the forms are fed is full. Between a detacher and the stacker, the forms are automatically and continuously directed either to the left or the right from a common center line to offset the forms into different groups with at least one form in each group. This offsetting action may be accomplished by a pair of angled conveyor belts with steel balls movable into and out of association with the conveyor belts by solenoids, and/or by two sets of diverter wheels which are also angled and which are moved up out of engagement with the forms or down into engagement with them. Edge guide rods are provided which are part of transport aligning mechanisms that are movable toward and away from each other to accommodate different form widths.

Abstract: A sheet supply/conveyance mechanism for sheets includes a hopper for accommodating a stack of plural sheets, a conveyer for picking up the sheets from the hopper and conveying the sheets in an advancing direction along a path, two detectors for optically detecting a leading edge of a sheet being conveyed, a correcting device for correcting the horizontal alignment of the sheet in accordance with the detection results of said detectors, and right and left guide plates provided in the hopper for aligning the respective, opposite sides of the stacked sheets. The guide plates are slidable in a horizontal direction perpendicular to the sheet advancing direction. The guide plates are respectively connected with the two detectors, so that the detectors are also slidable in the horizontal direction, together with the respective guide plates.

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 device has a sheet-transfer cylinder (2) with a movable setting plate (3) which bears the sheet grippers (4) and whose lateral ends are individually adjustable during each revolution of the transfer cylinder (2) with the aid in each case of a roller lever (9) in the circumferential direction in such a way that the sheet transferred to the impression cylinder is in a position which corresponds to the precise printing register. For this purpose, each roller lever (9) mounted movably on the transfer cylinder (2) is guided in a guide path (15c), surrounding the cylinder axis (1) in an annular manner, of an actuator (15, 16) which is suspended pivotably above the cylinder axis (1). Said actuator is provided with individually adjustable stops (19a, 19b) which, by interaction with peripheral cams (24a to 24d) pivot the relevant actuator (15, 16) by a predeterminable amount during each revolution of the transfer cylinder (2) and thus displace the relevant end of the setting plate (3).

Abstract: A side lay device on a feeder table of a sheet-processing machine includes at least one side lay body mounted so as to be displaceable over a path transverse to a sheet conveying direction for adjusting to a selected format of the sheet, a device for displacing the side lay body, first surface elements durably fastened to the side lay body parallel to the displacement direction of the side lay body, second mutually parallel surface elements fixed to the sheet-processing machine and corresponding to the first surface elements, the second surface elements extending over the entire adjustment path of the side lay body, at least one group of the groups consisting of the first surface elements, regions of the second surface elements in vicinity of the side lay body, and both the first surface elements and the regions of the second surface elements located in the position of the side lay bodies being movable towards one another for producing friction contact between the first and the second surface elements, and a

Abstract: A device for aligning box blanks in a box blank processing machine including a frame supporting a lengthwise guiding rail, an upper carrier and lower carrier which are directly interconnected by brackets and have one end pivotably mounted to the frame adjacent an exit end of the device so that the entrance end of the carriers can be spaced from the rail to provide a lateral movement of a blank against the rail. The position of the entrance end of the carriers is adjustable relative to the guide rail. The upper carrier preferably is formed of a series of rollers and the lower carrier has a series of rollers supporting a belt which is driven by a drive pulley.

Abstract: A side guide device adjustably positioned between two laterally spaced frame members includes a pair of side guide plates, each having vertical and horizontal members and a transverse mounting plate. A pair of rail members are mounted on the laterally spaced frame members. Each of the rail members includes a longitudinal groove wherein ends of the transverse mounting plate are adjustably positioned within the grooves of the rail members whereby the side guide members are positionable longitudinally. The transverse mounting plate includes at least two lateral slots through which the side guide members are adjustably mounted whereby the side guide members are positionable laterally. There is structure for locking the transverse mounting plate at a fixed position in the grooves of the rail members. The side guide plates are mounted below the locking plate.

Abstract: A manual sheet feeding apparatus for manually feeding a cut sheet into a printer, including a paper pan for supporting the cut sheet manually inserted to a predetermined position, a sheet guide provided on the paper pan, for guiding the cut sheet along one edge thereof, a sheet advancing device for advancing the manually inserted cut sheet in a sheet advancing direction parallel to the one edge, in contact with the cut sheet, and an operator-controlled switch for starting an operation of the sheet advancing means to advance the cut sheet. The operator-controlled switch is disposed near the sheet guide, so that the switch can be easily operated with the operator's hand used to manually insert and hold the sheet.

Abstract: A direction of movement of substantially fiat elements, such as sheets or business forms, is changed about 90.degree., without rotation of the forms. Nip rolls receive the forms driven in a first direction and accelerate the forms to make them airborne until they hit an adjustable abutment on the opposite side of an endless belt conveyor from the nip rolls. The endless belt conveyor conveys the forms in a second horizontal direction substantially perpendicular to the first direction. The forms may be shingled when moved both in the first and second directions, or can be deshingled by controlling the aspect ratio of the forms, the ratio of speeds of the elements, and the degree of shingling.

Abstract: A printing press feeder capable of sheet feeding from the rear, sheet feeding from the front, or stream feeding from the rear, using tracks above a stock support for the feeder, the sheet feeder head being movably mounted on these tracks, and a movable drive connection from a power source to the sheet feeder head for driving of the sheet pickup advancers in the different head positions. The sheet feeder has first and second alternate drive mechanisms, on opposite ends of the transverse drive shaft, the first drive mechanism having a variable speed drive for sheet feeding individual sheets and slowing feed of each sheet as the sheet approaches the print cylinder, and the second drive mechanism having a constant speed drive for stream feeding overlapping sheets to the print cylinder. The press has nonprint lift cylinders engaging the squeegee mount and actuable to lift the squeegee out of print position, but still within the stencil screen frame, to allow the stencil screen frame to cycle without printing.

Abstract: A sheet-supporting mechanism for supporting sheets above a side guide recess in the feed table of a sheet-fed rotary printing press includes a plurality of guide bridges disposed in the recess parallel to the direction of sheet travel and slidably mounted on tie-bars in the recess for movement transverse to the direction of sheet travel. A plurality of compression springs are interposed between the lateral faces of the guide bridges to bias the bridges apart and permit the sheet side guide to move in the recess transverse to the direction of sheet travel in order to accommodate sheet formats of varying widths. The springs are preferably leaf springs and are disposed below the upper surface of the bridges which lie in the plane of the surface of the feed table.

Abstract: A board to be coated is conveyed by means of first transport means in the form of a roller conveyor to a curtain coating device. The latter comprises second transport means in the form of two conveyor belts, each of which runs round an associated straightening bar in the direction of transport of the board. The straightening bars are movable and as they move towards one another they align the boards at the side edges thereof in such a manner that the side edges extend approximately parallel to the direction of transport of the board. Conical rollers are connected to the straightening bars. During alignment, that is to say, when the straightening bars are moved towards one another, the board to be coated is at the same time lifted from the roller conveyor by means of the conical rollers and conveyed via the surfaces of the conical rollers to the conveyor belts. The latter engage laterally at the board edges and transport the board through a pouring curtain for the purpose of coating.

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: An image recording apparatus wherein paper sheets are fed to a transport system along a predetermined feed path having a center line. The apparatus is provided with a pair of edge guides opposedly arranged about the center line for holding the paper sheets. Movement of one of the edge guides results in the corresponding movement of the other about the center line. With the use of a clutch disc, either paper guide may be moved independently of the other effectively changing the center line relative to the feed path of the transport.

Abstract: An object of the present invention is to provide a tread centering device which automatically detects the position of tread center and holds it in a straight form even when the center of tread is not positioned in a straight form. The device mainly comprises a plurality of detectors for detecting a groove for centering the tread, a holding plate which is inserted into the detected groove, and a mechanism which moves said holding plate transversely to align said groove in a straight form.

Abstract: A device for the precise edge alignment and shift-free transfer of sewing material includes a feed device, a clamping carriage, and a swingably mounted stop straightedge. The material is manually placed in the feed device, between lowerable clamping tongues and a substantially flat support arm, in such a manner that its forward edge, which is to be aligned, is located in the vicinity of the stop straightedge, which is temporarily swung upward for aligning the material. The stop straightedge has a vacuum chamber which exerts suction on the material, and the suction action is further intensified by jets of air which emerge from the bottoms of the clamping tongues and are directed obliquely to the stop straightedge. In this way, the edge of the material is aligned precisely along the stop straightedge, without contact by the operator. Thereupon the aligned material is transferred forward, without shifting, to a position beneath the clamping levers of the clamping carriage.

Abstract: A method of forming and varying size and/or location of pass-through openings in a table top of a feed table of a sheet-fed printing press includes providing a plurality of adjustable table-top elements, and varying the position of the table-top elements with respect to the table top of the feed table; and a feed having a device for performing the method.

Abstract: Feed table in the vicinity of a side lay of a sheet-fed printing press includes a table cover having a continuous surface between a table surface covering a center of a feed table and a side lay, the table cover having the continuous surface being formed with regions having at least one characteristic of being compressible and expandable in a direction of lateral displacement of the side lay, support elements defining a uniform sheet guiding plane and being adjustable in position in the direction of lateral displacement of the side lay, and a device for adjusting the position of the support elements in accordance with an extent of compression and expansion, respectively, of the compressible and expandable regions.

Abstract: Device for aligning a leading edge of sheets includes a plurality of front lays cyclically movable into an operating position. Also included are an aligned engagement member engageable by the plurality of front lays, and a force-storage device for bringing the plurality of front lays into engagement with the engagement member in the operating position of the plurality of front lays. A device, which is independent of the engagement member ,is also provided for diabling individual front lays of the plurality of front lays from engagement with the aligned engagement member.

Abstract: A sheet feed cassette capable of preventing a sheet of a sheet stack from diagonal feeding when the sheet is delivered out of the cassette. The sheet feed cassette has sheet guides at lateral sides thereof whose inner surfaces serve as sheet guide surfaces. In the sheet guide, box like portions are provided. In the box-like portions, sub-guides are provided protrudable from upper ends of the sheet guides. The sub-guides have sub-guide surfaces flush with the guide surfaces of the sheet guides. Each lateral side edge of the sheet is abuttable with each of the sub-guide surfaces if the sheet is positioned above the upper ends of the sheet guides for guiding the sheet in a sheet feeding direction. Thus, the diagonal travel of the sheet can be obviated by the sub-guides.

Abstract: Article positioning apparatus having a positioning surface and sensors for sensing the location of an article on the positioning surface with reference to an X direction, with reference to a Y direction perpendicular thereto, and with reference to an angular orientation in the plane of the positioning surface about an axis generally perpendicular to the X direction and the Y direction. Motors are provided for moving the article in the X direction, in the Y direction, and for rotating the article generally about the axis. A controller responsive to the sensors selectively activates the X motor, Y motor and rotating motor to position the article.

Abstract: A sheet feeding apparatus comprising a feeding device for feeding a sheet, a regulating member for regulating a position of a lateral edge of the sheet fed by the feeding device, a first rotary member adapted to feed the sheet fed by the feeding device while urging the lateral edge of the sheet against the regulating member, a second rotary member adapted to feed the sheet fed by the first rotary member while urging the lateral edge of the sheet against the regulating member, and a guide device for guiding the sheet in such a manner that the sheet is curved between the feeding device and the first rotary member. An urging force of the first rotary member by which the sheet is urged against the regulating member is set to be equal to or smaller than an urging force of the second rotary member by which the sheet is urged against the regulating member.

Abstract: A device for monitoring the side lay marks and excess draw of a sheet fed rotary press that further ensures that sheets are at a sufficient distance from the side lay mark prior to transverse conveyance. A lateral sensor is positioned at a predetermined distance from the side lay mark so that when front sensors determine the presence of a sheet at front lay marks, the lateral sensor is evaluated. The sheet will only be conveyed transversely toward the side lay if the lateral sensor has not detected a sheet but the front sensors have, thus ensuring that the side edge of the sheet is at a sufficient distance from the side lay mark. A single sensor can also be used for all side lay mark monitoring, including monitoring for excess draw.

Abstract: An adjustable sheet guide assembly utilizes a plurality of individually shiftable sheet guide elements. Each of these sheet guide elements is carried by a sleeve which is concentric about a hollow profile body that carries a rotatable, helically fluted shaft. Guide pins on the sleeves are received in the shaft's flutes so that rotation of the shaft or movement of one sheet guide element causes movement of all of the sheet guide elements in the adjustable sheet guide assembly.

Abstract: A reproduction apparatus including a logic and control unit, and a sheet storage tray having selectable sheet alignment positions and a movable sheet edge guide for positioning at a selected sheet alignment position. A mechanism for automatically positioning the sheet edge guide includes magnetizable reed switches, a magnetic member attached to the sheet edge guide and controls for counting and moving the magnetic member relative to a selected magnetizable reed switch through a first motion in a first direction for a first total number of counts, and through a second motion in a second and opposite direction for a second total number of counts equal to one-half the first total number of counts.

Abstract: Apparatus for conveying flat articles of varying width. The apparatus includes: a deck to support the flat articles; a device for moving the flat articles across the deck in a path from an upstream position to a downstream position, the deck having a pair of opposing slots extending perpendicular to the path; an arm below the deck pivotably secured with a center pin to the deck between the deck slots; a pair of links pivotably secured to the arm; a pair of guide plates pivotably secured to the links, each of the guide plates having a slot extending perpendicular to the path and slidingly engaging the center pin; a projecting member extending from each of the guide plates and slidingly engaging the deck slots; and a side guide fixedly secured to each of the guide plates, whereby movement of one of the guide plates in a direction closer or further from the path causes the other of the guide plates to simultaneously move closer or further from the path while the side guides retain a parallel relationship.

Abstract: A covering device for a side-lay opening formed in a feed table of a sheet-processing machine and disposed transversely to a sheet-transport direction, wherein a bottom edge of at least one side lay for laterally aligning sheets travelling through the sheet processing machine in the sheet-transport direction dips into the side lay opening to a location below the surface of the feed table, a holder for the side lay being disposed on a guide and being adjustable transversely with respect to the sheet-transport direction, and cover web segments mutually juxtaposed and in alignment with the surface of the table being disposed adjacent the side lay for covering the side-lay opening, includes a spring device for bracing the cover web segments and biasing them in a direction perpendicular to the surface of the feed table, a sliding pad attached to the holder for the side lay, the sliding pad, in vicinity of the side lay, being actuable from above on the cover web segments for pressing the latter against the spring b

Abstract: A sheet supply apparatus supplies a sheet such as an X-ray sheet film from a cassette to a recording device. The sheet supply apparatus has at least a pair of rollers for gripping and feeding a sheet, a feeding mechanism for feeding a sheet from a storage cassette and supplying the sheet along a feed path to the pair of rollers, a tilt correcting mechanism having for correcting the sheet out of a tilted condition with respect to a direction transverse to the feed path, and a position correcting mechanism for displacing the pair of rollers in the direction while the pair of rollers is gripping the sheet, to correct the sheet positionally with respect to the direction. The feeding mechanism has suction devices movable into the feed path for attracting the sheet under vacuum, and the tilt correcting mechanism has at least a pair of stoppers movable into the feed path for engaging a leading end of the sheet to correct the sheet out of the tilted condition.

Abstract: A device (10) for positioning a glass sheet or other generally rigid planar object (G), having a roller bed table (12) for supporting the object in a horizontal plane and an overhead device (14) carrying a first set of spaced apart arms (26, 28, 30, 32), each of which has a vertically acting cylinder (70) near a free end thereof, and a second set of spaced apart arms (20, 22, 24) near a free end thereof, each of which has a horizontally acting cylinder (48) near the free end thereof. Each vertically acting cylinder has a sheet edge contacting element (74) at the free end of its cylinder rod (72), and these edge contacting elements act as fixed stops during the positioning of the object. Each horizontally acting cylinder has a sheet edge contacting element (52) of the free end of its cylinder rod (50), and these edge contacting elements act as movable stops during the positioning of the object.

Abstract: A device conveys and aligns sheets on a feed table of a printing machine having a single-sheet feeder, an aligning section, and a conveying device revolving on shafts for conveying the sheets in a direction across the aligning section to feed rollers for feeding the sheets to an impression cylinder. Bearings are secured to side frames of the feed table so as to be cyclically adjustable in elevation. The shafts are rotatably mounted in the bearings and are cyclically displaceable laterally to the sheet-conveying direction. A guide device is secured in the side frames. A feed plate is carried by the guide device above the feed table and is laterally adjustable with respect to the position thereof on the guide device. The conveying device includes a revolving conveyor device disposed below the feed plate. The feed plate is formed with aligning edges disposed laterally forward of and behind the revolving conveyor device and constitutes a lateral aligning limit.

Abstract: An accessing guide in combination with the paper path of a deck for transporting paper documents. The combination includes: a deck for supporting and transporting paper documents seriatim; and an adjustable side guide mounted on the deck for movement perpendicular to the direction of the paper path for guiding the flow of documents along the deck. The guide has a pivotable rail which can pivot away from the paper path in order to allow access to the paper path by an operator.

Abstract: An improved accumulator and method of accumulation into stacks of a number of seriatim-fed sheets selectively in the manner of "over" or "under" accumulation and for conveying accumulated stacks to further equipment. The accumulator comprises driven endless elastic belts to drive sheets therebetween and a driven roller pair for nipping and feeding the sheets to a stacking location to be accumulated therein. The nip of the roller pair is offset in relation to the plane in which sheets are driven thereto by the belts. The roller pair drives a sheet in positively nipped manner to the stacking location selectively over or under a previously arrived sheet. Further included in the roller-accumulator is a stop gate device for stopping sheets fed to the stacking location and for selectively releasing accumulated stacks to be transported by and between the endless elastic belts to further equipment.

Abstract: A device for correcting lateral alignment of a workpiece removed from a pile of workpiece prior to being fed into a processing machine. The device includes at least two pairs of rollers spaced along the direction of movement of the sheet, with each pair of rollers including a driven lower roller and a driven upper roller, with the upper roller having its axis forming a slight angle with the axis of the lower roller to provide a lateral force to move the workpiece against a lateral guide. The device can be used in the second arrangement providing front stops for aligning the front or leading edge of the workpiece after the lateral position alignment has been accomplished.

Abstract: In a machine for processing sheet material, an apparatus for centering and deskewing the sheet material being processed, comprises a deck; a pair of side guides adjustably located above the deck; adjustment limiting structure coupled to the side guides for limiting the distance adjustments can be made; linkage structure operatively coupled to the side guides and to the adjustment limiting structure for maintaining fixed center adjustments to the side guides, the linkage structure comprising at least three links, including a center link pivotally mounted to a center point of the deck and two end links, each of the end links coupled to one of the side guides; and friction structure coupled to each of the side guides for maintaining a position of the side guides after an adjustment is made.

Abstract: Apparatus for accurately dispensing and positioning a credit card onto a predetermined area of a surface, includes a support tray which supports a stack of cards; a pusher assembly including a pusher plate which pushes out a leading edge of a lowermost one of the cards in the stack; gripper jaws which grip the lowermost edge of the pushed out card; and a control assembly which controls the gripper jaws to grip the lowermost edge of the pushed out card, to move over the predetermined area of the surface and to then release the gripped card so that the latter drops onto the predetermined area of the surface.

Abstract: A sheet feeder for feeding sheets into a copying or printing machine includes a movable base movably mounted on a fixed base for movement across a sheet inlet of the copying or printing machine in a direction perpendicular to the direction in which the sheets are fed into the copying or printing machines. Two sheet tables for carrying respective stacks of sheets thereon are juxtaposed along the direction in which the movable base is movable, and is mounted on the movable base, so that a selected one of the sheet tables can be positioned at the sheet inlet in response to movement of the movable base. The selected sheet table is lifted by a lifter mechanism associated therewith to elevate the supported sheets until the uppermost one of the sheets reaches a sheet feeding position. The sheets are then successively fed from the selected sheet table into the sheet inlet.

Abstract: A device is provided for aligning leading edges of sheets at adjustable front lays of a feeder wherein the sheets are fed one after the other against the front lays in a conveying direction perpendicular to the leading edges, the front lays being connected to a front-lay shaft so as to be fixed against rotation relative thereto. The front-lay shaft is, in turn, mounted in a first and in a second bearing of the feeder. A swivelling device connected to the front-lay shaft reciprocatingly swivels the front lays about a longitudinal axis of the front-lay shaft. The aligning device includes a bending device for benging the front-lay axis by acting steadily on the front-lay shaft for selectively adjusting the longitudinal axis of the front-lay shaft so that the longitudinal axis has a shape which, respectively, is curved in the conveying direction, curved opposite the conveying direction and rectilinear.

Abstract: The direction of conveyance of paper sheet is changed through an angle of 90.degree. between processing and/or handling stations. Troublefree operation is ensured and an adjustment in adaptation to different paper sizes is permitted by the provision of a guide ruler 18 which is provided with pressure-applying balls 8 which cooperate with inclined driven conveyor rollers 15. The guide ruler 18 is fixed to a receiving deck 16 and comprises a continuous guiding flange 21 which depends below the level of the apices of the rollers 15. The position of the discharge end of a feeding conveyor 14 is adjustable toward and away from the guide ruler 18 .

Abstract: A device for transporting a recording medium to an image forming portion through a arcshaped path with pushing the trailing end of the recording medium by hooks provided at ends of levers which is pivotally mounted at the curvature center of the arcshaped path.

Abstract: An image forming apparatus includes an intermediate tray wherein a copied paper on which an image has been formed is stored. In the case of a double-face copy, the copied paper is stored in the intermediate tray in a manner that a surface on which an image has been formed is faced upward and, in the case of a multi-copy, the copied paper is stored in the intermediate tray in a manner that a surface on which an image has been formed is faced downward. The intermediate tray has two movable guide members which sandwiches the copied paper stored in the intermediate tray in a width direction thereof. The movable guide members are moved so as to go and come back once at every timing when a sheet of copied paper is stored in the intermediate tray, whereby both side ends of the copied paper are pushed by the movable guide members to be aligned.

Abstract: A document feeding apparatus wherein a member for regulating the rear end of a document is provided movably in non-stepped manner substantially in a document feeding direction at the back of a document stacker having a paper feeding unit at the forward portion thereof. The movement of the rear end regulating member is controlled by a control device. A movable paper discharging device is provided. The movable paper discharging device has a discharging member, which is trained so as to surround the rear end portion of the document stacker in the shape of letter "C".

Abstract: A device (1) for supporting a stack of sheet material with zones of uneven thickness, e.g. envelopes (11), on a printer with a pick-up device (16, 17) for the envelopes and a table (10) is provided with a supporting plate (2) as well as bar type supporting apparatus (3,4) at the side facing away from the pick-up device (16, 17). The bar type supporting apparatus (3,4) may be swung away laterally for easy access to the envelopes. Furthermore the device (1) may be equipped with a base plate (36) having adjusting legs (37), for adjusting the device in a horizontal position on a slant table (10).

Abstract: A launcher for launching pieces of sheet metal into a roll former is disclosed. The launcher includes laterally spaced conveyor belts having parallel upper reaches which support the piece of sheet metal and transport it to a launch position. While located in the launch position, opposed pushers engage opposite edges of the sheet and move it laterally into a predetermined lateral location in which it is centered and aligned with the roll former. Thereafter, longitudinally spaced gripper rolls engage and grip the opposite sides of the sheet at longitudinally spaced locations. The gripper rolls operate to feed the sheet and maintain gripping thereof until substantially the entire sheet enters the roll former. Therefore, proper alignment is maintained and uniform roll forming is produced. The pushers along one side of the sheet move to a fixed position to precisely locate the adjacent edge of the sheet.

Abstract: A sheet guide adjusting apparatus for copy machines, phototelegraphic apparatuses, photo-engraving machines and the like, comprises a pair of sliding members supported on a machine body and able to move in a reciprocal manner to apply guides to the edges of sheets, and a drive mechanism mounted on the machine body and able to move in a reciprocal manner between and operatively interconnecting the sliding members. One of the sliding members and the drive mechanism being provided with clamping devices for clamping the sliding member and the drive mechanism in relative to the machine body, whereby the guides can be positioned to match the size of sheets by a center-standard method when the drive mechanism is fixed in a stable position in relation to the machine body, and the guides can be positioned to match the size of sheets by an edge-standard method when one of the sliding members is fixed in a stable position in relation to the machine body.

Abstract: A sheet-fed press includes a front guide device which performs a positional adjustment of a printing sheet before transferring it to a transfer drum. In order to adjust an image forming portion on the printing sheet, both ends of a front guide rod are moved independently of each other. Moving distances of the both ends of the rod are computed by a central processing unit on the basis of a paper size, etc.

Abstract: A paper cartridge for a paper processing apparatus such as a copier includes a table on which sheets of paper are placed and two side plates and a back plate which are movable perpendicularly to and along the direction of their transportation, respectively, to arrange these sheets of paper at a desired position. Each of these plates is provided with a sensor for detecting the presence of a sheet and these plates are moved according to the outputs from these sensors.