Abstract: A printing medium feeding device includes: a driving roller having a roller circumferential surface coming in contact with a printing medium to apply a feeding force to the printing medium around a core line of a rotation shaft and rotating to feeding the printing medium downstream; a driven roller in contact with the driving roller and following the rotation thereof; a shaft supporting member supporting the rotation shaft at least at two supporting positions; and a regulation unit regulating a core position of the rotation shaft between the two supporting positions at which the rotation shaft is supported by the shaft supporting member, wherein the regulation unit has a pressing surface coming in contact with the rotation shaft from the upstream side or the downstream side of the rotation shaft, and wherein the core position of the rotation shaft at the position of the regulation unit is located by the pressing surface to be more downstream than a straight line passing through the core positions of the ro

Abstract: An apparatus for automatically registering a stack of media includes a lever device adapted to be secured to a media tray of a printer, and to pivot in relation to the media tray when the media tray is inserted into the printer, and a registration wall mechanically coupled to the lever device such that the registration wall is repositioned toward the stack of media when the media tray is inserted into the printer.

Abstract: A paper feed apparatus of the present invention includes a pick mechanism for successively taking out, by use of a pick roller 1, a plurality of sheets of paper stacked on a chute from the bottom side thereof, leading ends of the sheets being aligned by means of a stopper block 2 in a state in which the sheets are stacked on the chute. Moreover, the apparatus includes a roller guide 11 and an abutment guide 12. When the roller guide 11 is raised to a paper setting position in a direction away from the pick roller 1, the roller guide 11 raises the leading ends of the sheets stacked on the chute to thereby prevent contact between the sheets and the pick roller 1. The abutment guide 12 aligns the leading ends of the sheets when the roller guide 11 is raised.

Abstract: This invention provides an automatic paper folder with the adjustable distance between a retarder and a feeding wheel assuring the consistency of the automatic feed for most types of paper. The automatic paper folder includes a paper feed assembly that combines the functions of a retractable retarder and a retractable tension block, assuring the automatic feed of a stack of paper, and a bypass for the manual feed of the stapled sets.

Abstract: The trailing ends of envelopes stacked vertically in a hopper are tapped by jostling members that oscillate in a horizontal plane. The tapping action breaks frictional bonds between contiguous items. The jostling members are mounted on a base plate that is adjustably mounted in overlying relation to a floor plate of the hopper to accommodate items of varying widths. A cam and cam follower arrangement causes oscillation of the floor plate and hence of the base plate and the jostling members. The jostling members may take the form of acute or right angle members, wheels, or the like.

Abstract: In a sheet feeding mechanism wherein a spring can be used to properly regulate a sheet feeding position, sheets are not deformed in spite of the urging force of the spring, and a required conveying force is prevented from being increased after sheet feeding. Specifically, immediately before a sheet is fed, a driving mechanism is used to move a slide plate leftward. A driving portion of the slide plate pushes an arm of a lever to rotate the lever counterclockwise against a tension spring. Thus, a connecting portion of the lever pushes an interlocking portion of a biasing plate downward. That part of the biasing plate rotates clockwise against the force exerted as a set spring portion is urged counterclockwise. In conjunction with this rotation, a biasing portion rotates clockwise to urge printing sheets to press them against a reference surface of a case.

Abstract: To maintain quality printed images in high speed photographic quality printing it is necessary to ensure accurate registry of the print media with the printheads. To ensure this result an alignment mechanism is provided for the stack of print media to be fed to the printer. The alignment mechanism comprises a receptacle to hold the stack of print media, a registry stop and a tapping mechanism located opposite the registry stop, to maintain the stack of print media in accurate abutment with the registry stop.

Abstract: A sheet feeding apparatus in which after a bundle of sheets is placed in an erect posture on a sheet supporting stand, the bundle of sheets placed on the sheet supporting stand is continuously vibrated upward and downward for a predetermined time, and is moved in a sheet feeding direction by an aligning portion to be hit against a hitting portion, and the bottom edges and the side edges of the bundle of sheets are accordingly aligned.

Abstract: A sheet feeding apparatus for a printing device includes a pickup roller and a feeding roller picking up sheets loaded on a tray and feeding the sheets into a sheet feeding path, respectively, a rotation member installed on a rotation shaft of the feeding roller to support and rotate the pickup roller at a free end, a relay gear engaging the feeding roller and the pickup roller, a clutch unit selectively transferring a raising force of the rotation shaft to the rotation member, and a stopper installed in the rotation member to be elevated and lowered with respect to the rotation member to block a path between the pickup roller and the feeding roller. Accordingly, since the pickup roller is raised to allow the sheets to be loaded and then lowered after the sheets are loaded on the tray, front ends of the sheets are automatically inserted under the pickup roller.

Abstract: A sheet feeding apparatus includes a sheet stacking unit, sheet feeding unit, and a sheet support member. Sheets are stacked on the sheet stacking unit. The sheet feeding unit is placed to be movable in the widthwise direction of the sheets stacked on the sheet stacking unit and feeds the sheets stacked on the sheet stacking unit. The sheet support member is placed at a position different from the position of the sheet feeding unit within an area where the sheet feeding unit can move, and supports the sheets stacked on the sheet stacking unit. The sheet support member can move in the widthwise direction of the sheet independently of the sheet feeding unit.

Abstract: A sheet accumulating apparatus accumulates inputted sheets into a stack registered on all sides, wherein the sheets are controlled with minimum contact by components of the apparatus to minimize or eliminate smudging or marking of the sheets. The apparatus can be selectively adjusted to effect over-accumulation or under-accumulation, and can be adjusted to accommodate different sheet sizes. The apparatus comprises an accumulation section defining a sheet feed plane therethrough. An upper ramp is disposed upstream from the accumulation section and is movable into and out of the sheet feed plane. An upper retaining member is linked to the upper ramp and is movable into and out of the sheet feed plane in alternating relation to the upper ramp. A lower ramp is disposed below the upper ramp and is movable into and out of the sheet feed plane in alternating relation to the upper ramp.

Abstract: An automatic adjusting device for a bank note holding member is provided. The bank note holding member can be inserted into a safe for the dispensing of bank notes. The holding member can have relatively movable side and end walls which can automatically and mechanically adjust to the particular size of the stack of bank notes that are inserted therein. When the bank note holding member is removed, the walls can be automatically extended to open the space to receive bank notes. When the bank note holding member is inserted into a safe, the respective walls can close on the stack of bank notes and assert a predetermined force to align the bank notes stored therein.

Abstract: To maintain quality printed images in high speed photographic quality printing it is necessary to ensure accurate registry of the print media with the printheads. To ensure this result an alignment mechanism is provided for the stack of print media to be fed to the printer. The alignment mechanism comprises a receptacle to hold the stack of print media, a registry stop and a tapping mechanism located opposite the registry stop, to maintain the stack of print media in accurate abutment with the registry stop.

Abstract: A method and system for aligning a moving stack of sheets. A pair of cams, positioned on opposite sides of the moving stack, rotate synchronously to each other but in opposite directions. When the stack approaches the cams, the distance between the outer surfaces of the cams is wider to the stack width to receive the stack. As the stack moves forward further, the distance between the cam surfaces is reduced so as to allow the cam surfaces push the sheets toward a center line until the distance between the cam surfaces is substantially equal to the width of the sheets. In a sheet collator where sheets are moved by a plurality of finger pairs which are linked to a moving chain, the cam can also be linked to the moving chain so that their rotation is synchronous to motion of the stacks.

Abstract: A document feeding apparatus includes a cam set fixed to a drive shaft and being driven selectively by the drive shaft. The drive shaft selectively rotates in a first direction and a second direction. The cam set includes a first cam, a second cam, and a first one-way clutch. The present invention further includes a one-way gear train fixed to the drive shaft and being driven selectively by the drive shaft; a paper-stopping plate connected with a paper-stopping arm; a pick-up roller fixed to and rotatable with a pick-up shaft; a strip roller fixed to and rotatable with a strip shaft; and a gear train transferring the power from the one-way drive gear set to the pick-up roller and the strip roller. The relative operational relationship between the pick-up arm and the paper-stopping arm is coordinated by the cam set.

Abstract: A printing unit includes a rotatably mounted transport device for transporting a print carrier sheet in which the transport device is equipped with a holding device for holding a print carrier sheet. The printing unit includes a NIP printing head aligned with the transport device and intended for printing the print carrier sheet. The printing unit is distinguished in that the holding device is mounted to be adjustable into the interior of the transport device.

Abstract: A sheet treating apparatus including the first intermediate stacking portion for hitting an edge of a sheet in a transport direction against a wall to align the sheet, a pair of delivery rollers for delivering the sheet from the first intermediate stacking portion, the second intermediate stacking portion for carrying-in and supporting the sheet downstream of the pair of delivery rollers in the transport direction and aligning edges of the sheet in a cross direction perpendicular to the transport direction, a sheet stacking portion located below the second intermediate stacking portion in the gravitational direction, and a full load detecting unit for detecting full load of sheets on the sheet stacking portion, in which the full load detecting unit contacts an upper surface of sheets on the sheet stacking portion with a full load detecting flag, which has a pivotal fulcrum in a higher position than that of the pair of delivery rollers to detect a height of the upper surface, and does not perform full load det

Abstract: A feeder is rotatably mounted in cooperative relation to a discharge end of a conveyor system. In a first position, the feeder is in line with the conveyor system so that the path of travel of conveyed articles is not changed. In a second position, the feeder device is disposed at a right angle to the conveyor system so that the path of travel of conveyed articles is changed by ninety degrees. An adjustable length conveyor belt enables the discharge of conveyed articles into the feeder at differing positions, depending upon the size of the articles. A pair of upstanding walls having sloped edges reciprocates as the feeder operates to ensure that all articles are in shingled relation to one another so that the articles are fed into the feeder one at a time in the substantial absence of jamming.

Abstract: An imaging system includes a roller assembly adapted to guide sheet material in the system into an accumulator and 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 fixed cam is included in the roller assembly. A rotatable registration finger is mounted in contact with the cam. During rotation of the registration finger, interaction between the registration finger and the cam causes the registration finger to contact each sheet fed into the accumulator by the roller, and to exert force to urge each sheet toward the lateral fence and the longitudinal fence of the accumulator. In an embodiment, the roller assembly includes a selectively rotating shaft.

Abstract: A device for separating or singling sheets, which have been piled up to form a stack, in a feeder of a sheet-processing machine, having a transport element with a guide edge, includes a device for matching the shape of the guide edge to the contour of the topmost sheet at a front side of the stack, as viewed in a sheet transport direction.

Abstract: A printer is provided, which comprises a printer body 20 including a paper sheet feeding unit for setting paper sheets therein for printing and a paper sheet discharging unit, and a printer controller 10 of the printer body 20. When setting again paper sheets after printing on one surface in the paper sheet feeding unit for printing on the other surface, the printer body 20 is adapted to print, under control of an instruction from the printer controller 10, a first symbol indicating that the paper sheets should be set in the paper sheet feeding unit with the upper, lower, left or right part of the printed surface directed in the paper sheet feed-out direction and also with the printed surface up or down.

Abstract: An auto sheet feeder has sheet supporting means provided on the frame of the main body of the apparatus and supporting sheets thereon, and sheet feeding means for feeding out the sheets supported on the sheet supporting means. A reference surface for regulating one side edge of the sheets fed out by the sheet feeding means is formed on each of the frame and the sheet supporting means.

Abstract: A thermal printer includes a thermal printer component for image recording to a thermosensitive recording sheet. There is a loading opening through which the thermal printer component is supplied with the recording sheet. Plural guiding projections position the recording sheet in the loading opening. A recording sheet package includes a packaging case for containing a loose stack of plural recording sheets. The loading opening is loadable with the packaging case. A package outlet is formed in the packaging case for passage of each recording sheet, and set directed toward the thermal printer component. Plural cutouts are formed in a periphery of the packaging case, and receive the guiding projections. Blocking portions of a blocking frame are disposed inside the packaging case, and close the cutouts. The blocking portions are shiftable inwards from the cutouts by the guiding projections.

Abstract: Sheets of paper, photos, transparencies and the like can be fed to a work station (scanner, printer, photocopies, etc.) from a staircased stack of said sheets by use of an air knife and wind tunnel system.

Abstract: A sheet supply apparatus for supplying record sheets to an image forming apparatus, the sheet supply apparatus including a sheet supply table for supporting the record sheets stacked thereon, sheet supply means provided above the sheet supply table and contacting a topmost face of the record sheets for supplying the one record sheet to the image forming apparatus during one period comprising a sheet supply executing time period for supplying the record sheet to the image forming apparatus and a sheet supply nonexecuting time period for not supplying the record sheet thereto, left and right movement instructing means for instructing to move the sheet supply table in a direction orthogonal to a transfer direction of the record sheet, left and right moving means for moving the sheet supply table in response to an instruction from the left and right movement instructing means, and control means for executing a control of moving the sheet supply table when a sheet supply operation by the sheet supply means is stop

Abstract: An enhanced sheet feed adapter for dual web forms serves to close the gap between the leading edge of the forms and the exit ramp of the paper tray. The adapter includes a pair of hingedly interconnected plates having a spring interposed between them. A front one of the plates urges a stack of dual web forms toward the ramp to close such gap.

Abstract: A sheet processing apparatus includes a stacking device for stacking a sheet, a delivering device for delivering the sheet to the stacking device, and a pulling device for pulling in a direction opposite to a delivery direction the sheet delivered to the stacking device. The pulling device is structured to keep approximately constant a contract pressure exerted to the topmost sheet delivered on the stacking device, and the pulling device is formed in a tapered shape whose one end is narrower than the opposite end.

Abstract: In a lateral sheet shifting system, wherein sheets are fed from a sheet input to a sheet output with controlled shifting transversely of the process direction, there is a pivotal arcuate sheet path defining baffle unit providing an arcuate sheet-feeding path between the input and output. This arcuate baffle unit is mounted for pivotal angular movement laterally of the process direction by a controllable automatic variable angle pivoting system to form a variable sheet spiraling path therein. The arcuate baffle unit may be generally "S" or "U" shaped, and may be defined by, or consist solely of, opposing relatively closely spaced similarly arcuate baffles, such as at least two operatively connecting but oppositely facing generally quarter-cylindrical sections which can provide sheet side shifting without introducing any sheet skewing. The sheets in the baffle unit need not be engaged by any sheet feeding rollers therein, and the sheet input and output can be simple conventional fixed rollers on fixed axes.

Abstract: The present invention relates to a sheet registration system that uses a rigid arm having a sheet engaging surface to move sheets towards a registration position. The arm is mounted to a support member and is located adjacent a sheet store. The arrangement is such that relative movement between the support member and the sheet store causes the sheet engaging surface of the arm to engage a sheet in the sheet store. Pivoting of the arm then causes the sheet engaging surface to move the sheet into the registration position.

Abstract: An apparatus and method for assisting an individual, particularly a physically and/or mentally handicapped person, in performing a paper manipulating task includes a base which supports a paper manipulating unit, such as an electric stapler, hole punch, folding mechanism or the like, as well as a platform. In the most preferred form, the platform is vertically adjustable relative to the base in order to enable positioning the platform at a height commensurate with a paper receiving zone associated with the selected paper manipulating unit. A paper tray, selected from a group of trays depending on the particular paper manipulating task desired to be performed, is provided atop the platform for movement between a paper loading position, wherein one or more sheets of paper are arranged in the tray, and an operating position, wherein the one or more sheets are delivered to the paper manipulating unit.

Abstract: A collecting station (1) has a first (3) and a second lateral side guide (4) which are movable transversely to the direction of transport (A). The first side guide (3) has a rigid alignment surface (3a) with a convex, arcuate surface and, for the alignment of a deposited sheet, is moved at a first, high speed to an intermediate position and from there at a second, lower speed to the alignment end position. The second side guide (4) is provided with flexible bristles (5) which compensate for sheet tolerances and which are inclined downwards at an angle of 45.degree.. When the first side guide (3) comes to a standstill, the second side guide (4) is moved at a high speed to the alignment end position, then at a high speed back to an intermediate position in which contact with the sheets is no longer established, and thereafter at a lower speed back again to the alignment end position. For the return of the side guides (3 or 4), firstly the second side guide (4) and then the first side guide (3) are moved.

Abstract: A printer for printing characters and images on recording paper comprising: a paper cassette for storing the recording paper; a platen roller around which the recorrding paper is wound at the time of the transfer of images for printing; a clamping mechanism for clamping the recording paper between the clamping mechanism and the platen roller; a motor for driving the platen roller through a gear unit; a thermal printing head for transferring images onto the recording paper; paper feeding rollers for feeding the recording paper from the paper cassette to the clamper; paper discharging rollers for discharging the recording paper upon the completion of the transfer of images thereto; and an ink cassette storing an ink sheet inside thereof; in which the clamping mechanism comprises a clamper which is mounted on the platen roller in such a manner as to permit the free movement of the clamper, holds the recording paper by pushing the recording paper onto the platen roller in a first position and also releases the re

Abstract: A paper tray assembly for a computer controlled printer has an angled paper discharge wall and a paper stack skewer which automatically urges the leading edges of each sheet of paper in the stack against the slanted wall as the paper tray is inserted into a tray receiving slot in the printer. The reason for doing this automatic skewing is to prevent paper misfeeds. Optionally, paper length and paper width adjusting slides are used with the automatic paper stack skewer being pivotally affixed to a length adjustment slide, if used. The skewer is operated by interengaging cams and followers which are actuated as the paper tray is inserted into or removed from a tray receiving slot in the printer.

Abstract: This invention relates to a sheet feeding apparatus having sheet carrying device unit for carrying sheets suspended by suspending unit, which is taken up by winding unit and thereby moves the sheet carrying device up and down to render the sheets fed from the topmost side of the sheets. Connection positions between the suspending unit and the sheet carrying device are located, in a direction perpendicular to a feeding direction of the sheets, at positions on a side of the sheet reference which is one end in the direction perpendicular to the feeding direction of the sheets, closer to the center of the sheets with respect to a position of a suspending original point of the suspending unit located over the sheet carrying device.

Abstract: A sheet guide in a feeder of a sheet-fed printing press has lateral guide plates for upper sheets of a sheet pile for laterally aligning the upper sheets with one sheet edge, and at least one deformable leaf spring located at a side of the sheet pile opposite to the side thereof at which the aligned sheet edge is disposed and acting by spring force against the upper sheets transversely to a sheet-feeding direction of the upper sheets of the sheet pile, the leaf spring being re-deformable counter to the spring force to behind a surface of the guide plate.

Abstract: A sheet supply device supplying sheets from a magazine thereof to an image forming apparatus and a mechanism for setting the magazine to a body of the image forming apparatus. The magazine storing stacked sheets is provided with reinforcing members which are disposed at side walls of the magazine to form convex portions relative thereto so as to reinforce the side walls and regulate the position of the stacked sheets in a sheet width direction. A projecting portion having an inclined surface is provided in either the magazine or a receiving portion in the image forming apparatus body to which the magazine is set. When the magazine is slid on an upper surface of the receiving portion for being set to the image forming apparatus body, a leading end of the magazine in a magazine setting direction is lifted by use of the inclined surface of the projecting portion so as to be accurately and smoothly set to the body.

Abstract: Imaging apparatus includes a sheet supply tray having a width alignment rail and a registration member against which the side of a received stack of sheets abuts when the stack is fully received in the imaging apparatus. The tray is urged toward the registration member as the sheet supply tray is being received in the imaging apparatus, and is held against the resilient force until the sheet supply tray is substantially fully received in the imaging apparatus to keep the received stack of sheets from contact with the registration member. The registration member can pass through a recess in the supply tray's side wall to directly abut against the opposed side of a received stack of sheets when the stack is fully received in the imaging apparatus.

Abstract: The device includes an introduction channel (51) into which the sheets are stacked on a support (52). During the selection of the top sheet (53a), urging members (66) urge the sheets (53) against driving rollers (11) which convey the top sheet until its front edge comes in contact with a fixed alignment stop (67). After the alignment of the sheet, deflector elements (68) bring the front edge to the driving rollers (11) in such a manner that the sheet comes in contact with the periphery of these rollers (11) to be driven until it faces the printing head. A selection and a conveying of the sheets are thus achieved which are reliable, as well as an accurate alignment, while reducing the space needed for the device.

Abstract: A fabric panel loader for automatically feeding a fabric panel from a stack of fabric pieces to a work station. The apparatus includes a fabric pickup assembly for removing the fabric panel from the stack of fabric pieces and transferring the panel to a smoothing table. The smoothing table receives the fabric panel and automatically moves the fabric panel from the stack of fabric pieces to a predetermined orientation. A panel loader removes the fabric panel from the table and transfers the panel to the work station.

Abstract: A sheet feeding apparatus includes a sheet stack container comprising opposed vertical walls between which sheets are stacked and a sheet feeder for feeding sheets off the top of the stack in a direction between the walls and parallel with the walls. The container includes a platform for elevating the stack into contact with the sheet feeder, and pusher members in one of the walls for urging the stack against the other wall. The pusher members are positioned at or near the top of the stack, and act only on a minor proportion of the stack height when the maximum stack height is contained in the container. First and second pusher members are provided, the first pusher member being urged towards the stack by a relatively strong spring, and acting on sheets near the top of the stack, but not on the sheets nearest the top of the stack, and the second pusher member being urged towards the stack by a relatively light spring, and acting on the sheets nearest the top of the stack.

Abstract: An auxiliary-pile carrier in a pile lift of a sheet-processing machine is disclosed. The pile lift has a main-pile lifting unit and an auxiliary-pile lifting unit. The auxiliary pile is supported on a pile board having grooves formed in an upper surface thereof.

Abstract: A sheet feeder includes a first laterally adjustable guide for guiding a vertically displaceable pile table, a second laterally adjustable guide for guiding a vertically displaceable non-stop device, and a device for adjusting the first guide and the second guide in common and for adjusting the first and the second guides relative to one another in a given direction of movement for effecting a lateral alignment.

Abstract: An automatic feeder module for a mail sorting system including a cabinet having first and second ends and an upper planar surface, a conveyor belt having an upper run travelling along the upper surface of the cabinet, a drive plate linearly driven along the conveyor belt at the same speed as a conveyor belt and having a forward side and a rearward side, means for driving the conveyor belt and the drive plate at the same speed, and a singulator assembly including pick-off means against which a stack of mail is pressed by the drive plate and the conveyor belt, and a stack pressure switch for turning the driving means on and off to maintain a predetermined stack pressure against the pick-off means.

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 fabric position correcting device for correcting relative position of two fabrics in terms of alignment in at least one of outer profile lines and patterns of the fabrics. A pair of fabric holders are provided which respectively hold first and second fabrics. The holders are movable in X, Y directions, and angularly rotatable about a vertical axis for moving the respective fabrics. A pair of image sensors are provided for picking up at least one of outer profiles and patterns of the respective fabrics. Data from the image sensors are utilized for computation of moving distance and angular rotation angle of the holders in order to eliminate misalignment between two fabrics in terms of at least one of the profiles and patterns.

Abstract: A control device for a copier of the type loaded with a recyclic document feeder (RDF) and operable in a two-sided copy mode for producing two-sided copies by sequentially stacking one-sided paper sheets and refeeding them for transferring images on the other side thereof. In the two-sided copy mode, side fences provided on an intermediate tray are moved toward and away from each other in matching relation to the paper size. Even when the entry of a paper sheet in and the refeed of a paper sheet from the intermediate tray occur alternately, paper sheets entered the tray can be accurately controlled in position with no regard to the paper size.

Abstract: A feeding device has a rotative threaded shaft and a rotatable paper tray. A movable joint is attached to the rotative threaded shaft, and permitted to move on the shaft. The movable joint is coupled to one corner of the rotatable paper tray. A shaft drive plate is secured to the movable joint. In the vicinity of the rotative threaded shaft, is disposed a shifting shaft extending in the direction of movable joint movements, which is permitted to freely move in the direction. An engaging member to be depressed by engaging the shaft drive plate and a spring to urge the shifting shaft to be located in a predetermined position, are attached to the shifting shaft. On the other hand, in the feeding device main body, there are installed an action plate for making a forward or backward movement in response to a movement of the shifting shaft driven by the shaft drive plate and switch for performing ON/OFF operation in response to shifting positions of the action plate.

Abstract: In a document feeding apparatus, a document transport member which acts on the lowermost original of a bunch of originals performs a preparatory transport operation prior to its action of feeding the bunch of originals to a separating mechanism to forward the bunch of originals to a stopper which is entered in a document transport path to arrange the originals thereto, and after the stopper is moved away, a regular transport operation is conducted to forward the originals to the separating mechanism.

Abstract: A device for controlling positioning of a sheet carrying an image on one side thereof, or one-sided sheet, in a predetermined position on an intermediate tray of a copier which is operable in a two-sided copy mode. The one-sided sheet is positioned on the intermediate tray by a pair of side fences and a back fence. The side fences and the back fence each is driven by an exclusive pulse motor to move and stop at a position matching the size of the sheet. Particular amounts of displacement are assigned to each fence on a sheet size basis, and each is adjustable on the operation board of the copier.

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.