Abstract: A sheet stacking system includes a conveyor having a discharge end, a hopper at the discharge end configured to receive the sheets ejected from the discharge end and guide the sheets as they fall in a cascade path onto a platform associated with the hopper, the falling sheets forming a main stack on the platform, the hopper including a backstop facing the discharge end of the conveyor such that the sheets ejected from the discharge end impact against the backstop before forming the main stack, and a first accumulator having at least one first support extending through the backstop and shiftable from a retracted position to an extended position, the at least one first support being movable vertically relative to the backstop in the extended position from a raised location outside the cascade path to a lowered location in the cascade path.

Abstract: A work picking system according to embodiments includes a three-dimensional measuring unit, a hand, a calculating unit, a determining unit, and an instructing unit. The three-dimensional measuring unit measures a three-dimensional shape of a work that is a gripping target. The hand is provided on a terminal movable unit of a multi-axis robot and includes a mechanism that changes a distance between gripping claws and a mechanism that changes a tip end direction of the gripping claws. The determining unit determines a tip end direction of the gripping claws based on the attitude of the work calculated by the calculating unit and a direction of a rotation axis of the terminal movable unit.

Abstract: Systems and methods for processing stackable articles, such as, frozen hamburgers or compact disks, are provided. The systems include mechanisms for determining the number of articles in a stack of articles, a transfer device adapted to transfer the articles when the number of articles equals a predetermined number of articles, a gripping device adapted to receive the stacks of articles from the transfer device, an automated manipulator adapted to transfer the gripping device with the stacks of articles, and a mechanism for discharging the stacks of articles from the gripping device to, for example, a container. The systems and methods may also provide staging areas adapted to receive the stack of articles and then transfer the stack of articles to the gripping device. Though aspects of the invention may be uniquely adapted to handle food items, aspects of the invention may also be used for non-food items.

Abstract: An infeed station has a carriage that is supported on a machine frame of the infeed station in a way that allows it to be moved laterally and a stack conveyor mounted on the carriage for conveying stacks from an infeed position to a transfer position, from which the stacks can each be removed by the stack gripper. The stacks can be centered in two stack chambers, which are arranged side by side on the carriage. A stop element supported on the carriage is assigned to each stack chamber and can be moved between a working position and a retracted position, such that in their working position, the stop elements project into the associated stack chamber in such a way that the stacks can be moved by the stack gripper from a forward holding position of the transfer position towards the stop elements and placed against the stop elements. The stacks positioned on the stop elements are gripped by the stack gripper between a finger and pressing means and conveyed to a pallet.

Abstract: A collating conveyor (4, 6) receives products (2) sequentially from a delivery point and collates them into groups (8). A pusher (9) transfers groups (8) of products from the collating conveyor (4, 6) to a receiving trough (10), where they are turned through a predetermined angle B. The collating conveyor (4, 6) is inclined to the horizontal and is provided with lugs (5, 7), each of which supports a stack (8) of products under the effect of gravity. A pick-and-place head (11) picks up a group (8) of products from the trough (10) by gripping and clamping the products (2) together.

Abstract: Aspects of embodiments of the present invention are directed toward a method of stacking disk-shaped substrates for polishing without using a centering shaft and an apparatus for implementing the method. A stack of disk-shaped substrates can be concentrically aligned without contacting the inside circumferential surfaces of the disk-shaped substrates by applying pressure to the outside edges of the disk-shaped substrates in different lateral directions.

Abstract: A transfer device for transferring product stacks has a connecting element for connecting the transfer device to a transport device, and the transfer device has a number of receiver regions therein, that each receive a product stack. Each receiver region has guide elements with spring-loaded closure elements, and a plate that is movable in a spring-loaded manner toward the closing elements along the direction of the guide elements. When the transfer device with the product stacks therein reaches its transfer destination, the product stacks are pushed from the transfer device by the plates by spring force.

Abstract: The invention provides for the replacement of the cutting plate (15) and the press die (16) to be carried out automatically, specifically with the aid of a positioning device for positioning the stack of printed sheets (11) to be trimmed under the press die (16). In this way, the automatic conversion of the automatic three-knife trimmer for a format change is possible without a significant change to the automatic three-knife trimmer. Only the control system of the positioning device has to be changed and expanded. The positioning device (21) automatically ensures that the new press die (16) and the new cutting plate (15) are positioned exactly. In particular, the positioning of the die plate (19) under the format plate (18) can be carried out automatically by means of the positioning device with the required high accuracy, to be specific with higher accuracy than would be possible manually.

Abstract: An infeed station has a stack feeder and a first and second chamber, which can each receive stacks from the stack feeder. The stacks can be conveyed in the chambers and can be transferred to a stack gripper with the conveyors assigned to the first chamber and the second chamber. First centering units serve to center the stacks in the first chamber, and second centering units serve to center the stacks in the second chamber. Third conveyors are arranged between the first and second conveyors. The first and second centering units can be shifted relative to each other so that the third conveyors are positioned in the first or second chamber, and the chamber with the third conveyors is much wider than the other chamber. The infeed station can be changed between double infeed with parallel processing of two stacks and single infeed with processing of only one stack of relatively great width at a time.

Abstract: The invention relates to a device and method for running a warehouse in which objects are stored in a number of stacks in a storage area. The device comprises a collecting device (101) with an intermediate storage (102) and a gripping device (103), which can be displaced as desired over the storage area. The intermediate storage (102) can, in separate receiving steps, be successfully filled from different stacks. The gripping device (103) is formed by two vertically displaceable bars (104, 105) that are situated opposite one another and serves to lift one or more objects from one of the stacks. An improved utilization of the available storage space results by virtue of the fact that only the bars (104, 105) are displaced into the stack space.

Abstract: The invention relates to collecting and conveying devices for stacks of sheets (3), comprising a collecting station (1) in which a corresponding number of sheet stacks (3) are formed simultaneously from several imbricated flows (2) of sheets which are guided adjacent to each other, a transversal transporter (4) which is arranged at a distance behind the collecting station (1) for transporting the finished stack of sheets (3) in a manner transversal to the direction of transport of the sheets in the collecting station (1) and a transfer device (5) which is used to transport the stack of sheets (3) from the collecting station (1) to the transversal transporter (4). According to the invention, a carriage (9) that can be displaced over a given path in a manner that is synchronous with the transversal support (4) is arranged adjacent thereto.

Abstract: Method and apparatus are provided for thermoforming articles. The apparatus includes an in line series of processing stations including heating, forming, cutting and separating stations. A stacker is provided to receive formed articles and form an x-y array of stacks of formed articles. A stack picker is provided that is operable to pick up the stacks of articles during a sheet pause cycle portion and move the picked stacks from a storage magazine to a deposit area. The movement of the stacks for depositing and the picker assembly back to the stacker can occur while the apparatus is producing and stacking additionally formed articles.

Abstract: To improve the handling, such as the gripping and displacement, of essentially rod-shaped objects, especially bars of articles that are stacked into one another in such a way that they can be separated, such as plastic cups, the present invention proposes a device with a plurality of first holding rods with essentially hook-like end pieces for extending under the rod-shaped objects. The device according to the present invention is characterized in that the end pieces can be moved under the objects and for releasing same by a motion into a plane extending at right angles to the direction of extension of the first holding rods.

Abstract: The present invention relates to a media dispenser. According to the present invention, there is provided a media dispenser.

Abstract: To make possible a tightly packed, essentially horizontal storage of wafers (40), in which a simplified access to each of these wafers (40) is possible, a device is provided having a plurality of superimposed storage elements (10). The storage elements (10) have device features (16) for depositing the wafers (40). The storage elements (10) have projections (14) for lifting, whereby a specific storage element (10a) as well as all storage elements (10) arranged above this specific storage element (10a) can be lifted by a predetermined first height for producing a contact gap. The projections (14) can also be used to lift the storage element (10b) arranged below the said storage element (10a) by a predetermined second height for producing a freedom of access.

Abstract: A magazine loader for automatically loading stacks of cartons onto a magazine of a mass feeder for supplying cartons to a packaging machine, includes a loader in which stacks of cartons are received and held, and a carriage on which the loader is pivotally mounted. The cartons are received loaded in the loader, after which the loader is pivoted from a loading position to a stacking position. The loader is then moved along a feeder conveyor for the packaging machine toward a magazine or supply of previously stacked cartons, until the stack of cartons is received and stacked against the previously loaded cartons to maintain a supply of cartons for feeding into the packaging machine.

Abstract: A method and system for converting mail between trays in a multiple pass mail sorting system using a plurality of different tray types. Mail from a first type of tray is unloaded and stacked along with mail from other trays to form a large stack. The large stack of mail is then broken down into smaller stacks which are transferred to one of several outputs where the mail is loaded into different types of trays.

Abstract: A stack gripper has two pairs of support elements, which are arranged next to one another and are adjustably fastened to a transverse carrier. A drive is provided for an adjustment apparatus, with which the spacing between the two pairs can be changed without the lateral spacing of the support elements of a pair being changed.

Abstract: The invention relates to collecting and conveying devices for stacks of sheets (3), comprising a collecting station (1) in which a corresponding number of sheet stacks (3) are formed simultaneously from several imbricated flows (2) of sheets which are guided adjacent to each other, a transversal transporter (4) which is arranged at a distance behind the collecting station (1) for transporting the finished stack of sheets (3) in a manner transversal to the direction of transport of the sheets in the collecting station (1) and a transfer device (5) which is used to transport the stack of sheets (3) from the collecting station (1) to the transversal transporter (4). According to the invention, a carriage (9) that can be displaced over a given path in a manner that is synchronous with the transversal support (4) is arranged adjacent thereto.

Abstract: The present invention is directed to a tray handler for stacking and de-stacking ophthalmic prescription trays. The tray handler includes a plurality of spaced clamp assemblies defining a stack area along a conveyor, a lift plate, and first and second actuators. The lift plate is operably disposed within the stack area. The first actuator is operably associated with the clamp assemblies, which are inwardly and outwardly moveable relative the lift plate upon actuation of the first actuator. The second actuator is operably associated with the lift plate, which is vertically moveable within the stack area upon actuation of the second actuator. A controller is in communication with the first and second actuators and controls actuation thereof. A method of handling ophthalmic prescription trays is also disclosed.

Abstract: A grabber for automatically grabbing and placing packing units of different dimensions and configurations includes a frame with a support, a hold-down device and a stripper attached to the frame. The support supports a bottom portion of a respective packing unit, and is generally horizontally movable with respect to the frame. The hold-down device is downwardly movable toward the support to clamp the respective packing unit between the support and the hold-down device. The stripper is disposed above the support and is generally horizontally movable. The respective packing unit is substantially immobilized by the hold-down device and the stripper as the support is retracted.

Abstract: An automatic paper ejecting and stacking machine for use with vertically-loaded desktop hole-punching equipment is disclosed. The ejector and stacker work together to remove vertically-fed paper stacks from a hole punch and align said stacks in a horizontal stacking bin adjacent the punch machine and preferably facing the operator. After the sheets are punched, a sheet transfer mechanism moves the vertically-oriented media stack in a horizontal direction from the punch machine/ejection assembly to the reception assembly. The sheet transfer mechanism may comprise a plurality of transfer paddles arranged on an drive belt wherein a motor rotates the belt to draw a paddle through the paper-receiving channel of the ejection assembly to push the media stack out of the channel. In one version, the media stack is flipped forward to rest in a forward-facing tray, while in another embodiment, the media stack is pushed rearward to rest in a rear-facing tray.

Abstract: An apparatus and method for creating stacks of sheets. In some embodiments, the sheets separated are those in or issuing from a starwheel assembly. The present invention includes a first separator finger that is inserted between two adjacent sheets to separate first and second sheets. The first separator finger retains the first sheet upstream to begin a first stack upstream of the first separator finger and allows the second sheet to complete another stack downstream of the first separator finger. In some embodiments, the first separator finger is inserted between the two adjacent sheets in a closed position and, after the first separator finger is inserted, the first separator finger moves to an open position to create a gap between the first and second stacks.

Abstract: A packaging system for handling palletized product arranged in multiple layers of product cases, a pallet de-layering system includes a gripper mechanism. The gripper mechanism is configured to clamp a layer of the multiple layers by applying a clamping force to one or more product cases of the layer such that the layer can be removed from an adjacent layer of product cases to a different location. The layer includes a void between adjacent product cases. The gripper mechanism includes a void filling member carried by the gripper mechanism. The void filling member is sized and located to be positioned within the void to limit movement of the adjacent product cases into the void during a clamping operation.

Abstract: A mail traying apparatus which trays or sweeps mail envelopes, which are positioned in a mail stacker bin, into a mail tray and to deliver the same to an outbound conveyor or cart. The apparatus includes a robot having a robot arm mounted thereon with the robot arm having a mail tray support at the tool end thereof. The robot moves the robot arm to a source of empty mail trays so that an empty mail tray may be positioned in the mail tray support. The robot then moves the empty tray to the discharge end of the mail stacker bin, sweeps the mail into the mail tray, and then moves the filled mail tray to an outbound conveyor or cart.

Abstract: Method and apparatus for forming and unloading a completed stack of articles. An assembly station includes a rotatable turret from which at least one stacker arm projects. The turret rotates to each of a number of article loading positions to sequentially load articles onto the arm in a desired order. The turret is then advanced to allow the articles to be concurrently unloaded from the stacker arm at an unloading position. In an automated disc drive manufacturing environment, the articles comprise respective numbers of magnetic recording discs and intervening disc spacers which are arranged into a disc/spacer stack as the stacker arm is advanced to a number of disc feeder and spacer feeder stations. The completed disc/spacer stack is then unloaded onto a spindle motor hub. Additional arms preferably project from the turret so that, as the turret rotates, multiple stacks are simultaneously formed and sequentially unloaded.

Abstract: The subject invention relates to a precision injection molding of multi-piece parts and the subsequent handling and assembly of those parts produced from the mold. In an exemplary embodiment, a surgical suture package with a top part and a bottom part is molded and assembled. In such a method and system, the top parts and bottom parts are first molded utilizing a family mold and then are transferred to a stacker. The stacker is able to stack the top part and bottom part on top of one another on a pallet. The parts are then transported to a welder in order to weld the top part and bottom part together. The completed surgical suture packages are then transferred to a magazine for storage and shippage.

Abstract: In an apparatus for transferring products from a first conveying line to a second line conveying line operated stepwise in a feeding direction and particularly for feeding a boxing machine a plurality of compartments are aligned along the feeding direction. Each compartment has a bottom and a pair of lateral boards. The compartments receive products released by a manipulator and taken from the first conveying line. An actuator rotates the compartments from a loading configuration for receiving the products, to an overturned configuration, in which the compartments face corresponding, dwelling seats of the second, feeding line. A holding element closes the upper part of the compartments, moving from the loading configuration up to the overturned configuration. A pusher moves into the compartments in the overturned configuration, to push the products into the facing seats of the second, feeding line.

Abstract: An apparatus for stacking semiconductor wafers comprises a housing configured to releasably maintain a plurality of semiconductor wafers in fixed positions relative to the housing. The apparatus also includes a transfer guide proximate to the housing, the transfer guide configured to facilitate the transfer of the plurality of semiconductor wafers into the housing. Also included is a member configured to detach the semiconductor wafers from the housing so as to collect the semiconductor wafers into a stack.

Abstract: A method for sweeping mail pieces from pockets of a sorter including the steps of (1) sorting mail pieces to a plurality of pockets based upon a preselected sorting criteria, (2) positioning an unloading robot adjacent to a selected one of the pockets when the pocket has received a predetermined volume of mail pieces, the robot carrying a tray having upright side walls and bottom wall, (3) engaging the pocket with a sweeping apparatus, (4) removing mail pieces in the pocket with the sweeping apparatus, (5) loading the removed mail pieces into the tray carried by the robot, and (6) carrying the tray containing the removed mail pieces to a destination with the robot. An apparatus for implementing the method is also disclosed.

Abstract: A method and apparatus for processing a stream of sheet-like products, such as printed magazines and newspapers, whereby the orientation of the products in the stream is changed to facilitate subsequent processing. The products are conveyed in an imbricated stream, or in a non-imbricated stream, and sections of adjacent products are combined into stacks which are conveyed away from the trailing products once the stacks are formed. The stacks are then further processed so that the products in each stack are disposed in a reverse order in relation to their original order, i.e. last in/first out.

Abstract: A system for automatically forming several parallel rows of disk-like objects on a conveyor into stacks and packing those stacks into boxes is disclosed along with a method of operating the system. The system includes a stacker receiving the disk-like objects as they fall of the conveyor, a buffer receiving stacks from the stacker in groups of a first number, a transfer device for removing the stacks from the buffer in groups of a second number, and a packer for packing the stacks into boxes. The second number can be less than, greater than, or equal to the first number.

Abstract: The present invention relates to a receiving area or stacking tray for items. The stacking tray may be flat and the items mail items. The mail items may also be flat. The flat mail items are accommodated in an upright position. The receiving area has a stacking base, a stacking location, and a stack-retaining stack support which is movable in approximately horizontal stacking direction. Preceding the stacking location in the direction of stacking there is disposed, a driven pusher unit, likewise movable in the direction of stacking, for emptying the tray, for which purpose the drive of the pusher unit can be controlled such that the pusher unit rapidly slides the stack out over the stacking base and the drive of the stack support can be controlled such that the stack support covers a larger distance than the pusher unit in the course of the emptying process.

Abstract: A system is provided for qualifying a stack of generally flat, paper, cardboard, and the like. The system includes a robotic mechanism having a plurality of joints that provide varying degrees of motion and a robotic implement attachable to the robotic mechanism. The robotic mechanism is operable to articulate the robotic implement through various degrees of angular and linear motion. The robotic implement includes a first support barrier, a second support barrier disposed in generally parallel relation with the first support barrier, and a third support barrier extending between the first and second support barriers and connecting the first and second support barriers therewith. Together, the first, second and third support barriers form an open cross-section that defines a bay for supporting the stack. The cross-section includes an open side opposite the third support barrier for receiving an unqualified stack and dispensing a qualified stack.

Abstract: There is disclosed a sheet accumulation processing device having a shielding mechanism of a sheet discharge opening which is simple in mechanism, low in cost and requires no complicated control. In the device, after an end of a sheet bunch sent via one end of a slit opening formed in a housing front face of the device is received by a sheet holding means disposed in the slit opening in a predetermined receiving position, the sheet holding means with the sheet bunch held therein is moved along the opening and, in a predetermined discharge position in the slit opening, discharges the sheet bunch onto a sheet accumulating tray in front of the housing. In the discharge position, a sheet holding section of the holding means is rotated forward and downward from its sheet-bunch holding condition and protruded forward from the housing front face, then releases the sheet bunch to place the sheet bunch onto the sheet accumulating tray.

Abstract: The conveyor system (11) is used for transferring rows or large cycles (66) of sheet stacks (12) from the stacking station (20) of a paper converting machine, e.g. a small format cross-cutter to several parallel-running discharge conveyor belts (24, 25). For this purpose grippers or tongs (48) are provided, which are guided on gripper supports (39) and which can draw the stacks (12) from stacking station (20) via conveyor belts (24, 25). For each stacking position (21) there are two grippers (48, 48a), which in each case alternatively grip and transfer a stack, whilst the other gripper performs the return movement and passes into its waiting position upstream of the stacking station.

Abstract: A method and an apparatus for making e.g. boardlike objects (11) arranged in a pile (12), in which method the objects are marked with a marking printed by a print head (26) and containing e.g. information about the object. To improve the marking quality, the objects are pressed together to reduce or eliminate gaps between them in the direction of compression, and the marking is made on an edge of the object that is parallel to the direction of compression of the objects.

Abstract: Sheets held by a sheet transfer mechanism are supplied from a supply unit to an aligning unit, and aligned with each other by the aligning unit. Thereafter, corners of the sheets are cut off by first and second cutting units, and then the sheets are vertically inverted by an inverting unit. Then, the sheets are turned into a given direction by a turning unit, and supplied to a discharge unit, from which the sheets are discharged.

Abstract: A handling apparatus for groups of thermoformed object constantly held in a correct axial alignment. The apparatus include at least one picking up and release head having as many receiving seats extending parallel to one another from the head as are the stacks to be handled, and a drive apparatus arranged to move a respective pick up and release head between a stack pick up station and a stack release station of one or more stacks of thermoformed objects and to position it correctly both at the stack pick up station and at the stack release station. At least one mobile pusher member is arranged to engage the stacks of thermoformed objects located in each receiving sear, and control drive apparatus for each mobile pusher member to follow and hold down each stack while each stack is being released from its respective receiving seat.

Abstract: The invention relates to a device for transporting and centrally aligning stacks of sheet-shaped materials. According various aspects of the invention, methods and devices are provided for transporting stacks of sheet-shaped print materials in a transport from a location misaligned with a reference axis to another location while aligning a center of a stack thickness with the reference axis.

Abstract: A device is used for transporting a horizontal stack from a stack support to an intermediate deposit, where the stack is formed in a gathering device with upright, lined-up signatures. The device is comprised of a horizontally and vertically displaceable clamp arranged above the stack support, wherein the clamp compresses the stack at the ends and transfers a strapped stack from the stack support to an adjacent intermediate deposit.

Abstract: An integrated stacker for positioning materials in a stack, compressing the stack and positioning and sealing a strap onto itself around the stacked and compressed materials includes a frame, a conveyor mounted to the frame, and a stacking assembly mounted to the frame. The stacking assembly includes a feed for feeding the materials onto the stack. The stacker further includes aligning arms operably connected to the frame for aligning the materials on the stack, a compression section mounted to the frame for compressing the stack of materials and a strapper section mounted to the frame. The strapper section includes a strap chute for conveying the strap around the compressed stack of material, a feed head for tensioning the strap and a welding head for sealing the strap material onto itself. The strap chute defines a strap path. The feed head, welding head and strap chute are mounted to a bracket that is mounted to the frame along a portion of the strap path.

Abstract: The invention provides methods and devices that enable the nesting of metal units. One method generally identifies a nesting location on the metal unit, and applies a force at the nesting location to create a nesting feature. In another embodiment, the invention is a nestable metal sheet. The nestable metal sheet is generally a metal sheet, such as a copper cathode, having a nesting feature.

Abstract: A sheet and stack feeding mechanism comprising an accumulating area, a mechanism for feeding sheets into the accumulating area, a pair of exit rollers and a mechanism for moving the stack of sheets out of the accumulating area through the exit mechanism, the exit roller being resilient to permit stacks of various thickness to pass therethrough.

Abstract: An apparatus for gathering successive sheets of a scalloped stream in an adjustable receptacle has a pivotable first stop in front of and a longitudinally adjustable second stop behind the receptacle. The second stop is shifted, together with the conveyor for the stream, toward or away from the first stop when the length of the sheets forming the stream is changed. The effective width of the receptacle is adjusted when a stream of relatively narrow sheets is followed by a stream of wider sheets or vice versa.

Abstract: An automated parking garage. The garage comprises a multi-floor building having a plurality of vehicle storage racks in a storage area for storing a loaded pallet or an unloaded pallet. An entrance-level floor of the building includes an entry/exit station (EES) on for receiving a vehicle, the EES having an exterior entrance through which the vehicle is driven and, an opposing interior entrance that provides access to the storage area and through which the loaded pallet is transported, the loaded pallet and unloaded pallet adapted to be positioned at floor level in the EES. The garage includes a pallet stacking station for storing the unloaded pallet, the pallet stacking station located over a shuttle aisle that extends under the EES. A pallet shuttle that traverses the shuttle aisle to a first position under the EES for handling the unloaded pallet in the EES, and to a second position under the pallet stacking station for stacking the unloaded pallet.

Abstract: A cross-stacker for paper products has a pre-collection chamber, at least one rotation device and two ejection devices, with a transport device being provided beneath the pre-collection chamber which transports paper products collected in the pre-collection chamber.

Abstract: A sheet post-handling device for aligning one or more sheets fed from an image forming apparatus such as a copying machine to a first tray in a sheet introducing direction, and transferring the sheets aligned from the first tray to a second tray in a sheet transferring direction perpendicular to the sheet introducing direction to store the sheets on the second tray. The sheets aligned into a sheaf of sheets are held by a holding member when being transferred from the first tray to the second tray, and delivered to a gripping means movable over the second tray so as to be softly landed on the second tray. Thus, the sheaf of sheets can be stably transferred from the first tray to the second tray while being reliably gripped by the gripping means, consequently being securely placed on the second tray without suffering damage. The sheets are stapled during being transferred from the first tray to the second tray.

Abstract: The present invention provides a sheet process apparatus comprising a sheet discharge means for discharging a sheet, a first stacking means for stacking the sheet discharged by the sheet discharge means, a bundle discharge means for discharging a sheet bundle rested on the first stacking means, and a second sheet stacking means for stacking the sheet bundle discharged by the bundle discharge means. Wherein the number of sheets in the sheet bundle to be discharged onto the second stacking means is selected to become smaller, when a sheet size in a sheet conveying direction is great, than when a sheet size in the sheet conveying direction is small.

Abstract: The present invention discloses either an apparatus that is adapted for selective mounting to and demounting from a pallet jack for use therewith or a transport vehicle having an apparatus permanently mounted thereto, which can effectively and efficiently transport articles or stacks of objects, such as boxes, furniture, trays, or the like from one location to another. The apparatus comprises a housing and an article engaging and lifting member, which includes a base and a back support member for supporting the article or stacks of objects. The article engaging and lifting member is pivotally mounted to the housing, preferably adjacent the bottom of the back support member. In one embodiment, the apparatus further includes a first clamp member for maintaining the article adjacent the back support member.