Abstract:
A method for unstacking veneer sheets (14), in which an uppermost sheet (14a) of a stack (12) is taken off the stack by using a suction device (24) of a movable gripper, and the sheet is then transferred onto a conveyor (16) and is transported away, wherein the sheet (14a), after the sheet has been lifted by a first gripper (22), is transferred to a second gripper (32), which transfers the sheet to the conveyor (16).
Abstract:
A substrate unloading system comprising a gripper mounted on a slanted plane and movable along the slanted plane, and a platen onto which the substrate is attached, the platen configured to be moved down in a vertical direction and away from the gripper in a horizontal direction, the gripper and the platen configured to move simultaneously so that the substrate remains substantially horizontal.
Abstract:
A substrate unloading system comprising a gripper mounted on a slanted plane and movable along the slanted plane, and a platen onto which the substrate is attached, the platen configured to be moved down in a vertical direction and away from the gripper in a horizontal direction, the gripper and the platen configured to move simultaneously so that the substrate remains substantially horizontal.
Abstract:
A medium feeding device includes a medium-accommodating container, a loading member supported within the container and loading a medium thereon, a holding member, and a blocking unit. The holding member has a holding member body, gas suction openings, a peripheral member, a chamber surrounded by the peripheral member, and a suction unit connected to the gas suction openings and performing gas suction. The holding member holds the medium by suction. The gas suction openings include a gas suction opening disposed inside an edge of the peripheral member and outside an edge of the medium. The blocking unit blocks the suction of gas through the aforementioned gas suction opening.
Abstract:
A receiver table (1) is provided for holding a receiver in a digital printer using a shuttle (2) carrying the printheads (3), e.g. an ink-jet printer, which is divided in small table segments (5) of which height and orientation can be adjusted. By adjusting the segments (5) the table (1) can be deformed to obtain a constant receiver-printhead distance even if the guidance of the shuttle (2) has deviations or exhibits bending during shuttling. Table segments (5) are preferably mounted on a deformable table support (13). The receiver-printhead “throw distance” can be calibrated by measuring the distance profile and adjusting adjustments screws or bolts to align the table segments (5) to the ideal printing distance.
Abstract:
A step-wise medium transport system is provided having high accuracy for transporting recording media in a digital printer,—the medium is transported using accurately moving tables to which the medium is attached—during printing steps the working area of the medium, on which the printing is done by the printer, is at all times fully supported by a static table avoiding disturbances.
Abstract:
An apparatus that is useful for acquiring and conveying a sheet includes a plenum having an opening for coupling a vacuum source to the plenum, a slide plate having a stop member positioned proximate a drop box opening in the slide plate, and a drop box adapted to slide within the drop box opening until a portion of the drop box engages the stop member so that the drop box is slidably installed in the slide plate. The apparatus may be used in an electrostatographic printing machine to improve top sheet acquisition.
Abstract:
An image recorder of an external drum type includes a feed/discharge unit located above a drum and having an upper tray and a lower tray. The upper tray is inclined so that an edge thereof on the front side of an image recorder body is downward or at a lower level. For placing a plate on the upper tray, the plate is fed over the lower edge of the tray onto the tray. The upper tray has a movable suction pad for raising the plate. The image recorder of the external drum type can easily feed a large-size image recording material or plate over an upper edge of the inclined tray onto the tray.
Abstract:
A stack of alternating plates and interleaves are stored in a cassette of a plate feed apparatus. An interleaf is removed from the stack by a plurality of vertically moving suction cups. There are cases where a plate is attached to the back surface of the interleaf during the removal. Lifting up the plurality of suction cups being reciprocated horizontally causes the plate attached to the interleaf to drop off.
Abstract:
A printing plate sucker capable of stably suction-adhering and sheet-feeding both a printing plate and a protective sheet simultaneously without causing wrinkling at the protective sheet during the suction-adherence and sheet-feeding. The sucker is structured by a main body portion formed of a stiff body, a skirt portion formed of a resilient body, and a spring. When a moment from a printing plate acts on the sucker during sheet-feeding, the spring resiliently deforms. Thus, the main body portion is displaced (inclined) in the moment application direction, effective weight on the sucker is reduced, and a state in which a reduced moment acts on the sucker is achieved (the moment is substantially absorbed). Furthermore, the spring which redirects the moment is structured separately from the main body portion and skirt portion. Therefore, the sucker will not be deformed, an interleaf sheet will not be hoistingly deformed, and wrinkling will not occur.