Abstract: A plate feeding apparatus of this invention includes a storage unit 10 for storing a plurality of plates P with end edges thereof arranged even by a stopper 11, a first and a second nip rollers 12 and 13, a suction device 45 disposed at a distal end of an arm 44 swingable about a moving unit 43 for sucking and holding an upper surface adjacent an end edge of each plate, a moving mechanism for moving the moving unit 43 along the surfaces of the plates, and for swinging the arm 44 about the moving unit 43, thereby to invert a portion adjacent the end edge of each plate sucked and held by the suction device 45, and subsequently to move the portion to a position to be pinched by the first nip roller or second nip roller, and a storage unit moving mechanism 26 for moving the storage unit 10 in directions perpendicular to the axes of the first and second nip rollers 12 and 13.

Abstract: A plate feeding apparatus of this invention includes a storage unit 10 for storing a plurality of plates P with end edges thereof arranged even by a stopper 11, a first and a second nip rollers 12 and 13, a suction device 45 disposed at a distal end of an arm 44 swingable about a moving unit 43 for sucking and holding an upper surface adjacent an end edge of each plate, a moving mechanism for moving the moving unit 43 along the surfaces of the plates, and for swinging the arm 44 about the moving unit 43, thereby to invert a portion adjacent the end edge of each plate sucked and held by the suction device 45, and subsequently to move the portion to a position to be pinched by the first nip roller or second nip roller, and a storage unit moving mechanism 26 for moving the storage unit 10 in directions perpendicular to the axes of the first and second nip rollers 12 and 13.

Abstract: Provided is a drum surface scanner with which punched holes and/or cuts can be formed in a plate which has been correctly defined by position, and the plate can be clamped to a recording drum. When a plate P comes in front of movable pins 113, i.e., on a hole punch unit 4 side, the upper roller of a conveyor roller 125 moves down, and conveyor rollers 124 and 125, and conveyor belts 111 all start rotating in the positive direction. Once the plate P moves out of the range covered by a sensor PH159, the movable pins 113 follow the tail end of the plate P at a given distance therefrom. When the front end of the plate P reaches the hole punch unit 4, the movable pins 113 which have been chasing the plate P push the tail end thereof to make the front end thereof abut to the hole punch unit 4. At the same time, based on the movement amount of the movable pins 113 from their original positions to current positions pushing the tail end of the plate P, the plate P is checked for its length Y.

Abstract: An image recording apparatus for recording an image on a sensitive material mounted on a drum by emitting light beams to the sensitive material. The apparatus includes a cylindrical drum for supporting the sensitive material mounted peripherally thereof, a drive mechanism for rotating the drum with a rotary shaft disposed on an axis of the drum, guide members formed in opposite end surfaces of the drum and extending circumferentially about the rotary shaft, a pair of counterweights movable along each of the guide members, a moving mechanism for engaging each of the counterweights and moving relative to the drum, thereby to move the counterweight along the guide member, and a fixing mechanism for fixing the counterweight to the guide member in time of image recording.

Abstract: Provided is a drum surface scanner with which punched holes and/or cuts can be formed in a plate which has been correctly defined by position, and the plate can be clamped to a recording drum. When a plate P comes in front of movable pins 113, i.e., on a hole punch unit 4 side, the upper roller of a conveyor roller 125 moves down, and conveyor rollers 124 and 125, and conveyor belts 111 all start rotating in the positive direction. Once the plate P moves out of the range covered by a sensor PH159, the movable pins 113 follow the tail end of the plate P at a given distance therefrom. When the front end of the plate P reaches the hole punch unit 4, the movable pins 113 which have been chasing the plate P push the tail end thereof to make the front end thereof abut to the hole punch unit 4. At the same time, based on the movement amount of the movable pins 113 from their original positions to current positions pushing the tail end of the plate P, the plate P is checked for its length Y.

Abstract: An image recording apparatus for recording an image on a sensitive material mounted on a drum by emitting light beams to the sensitive material. The apparatus includes a cylindrical drum for supporting the sensitive material mounted peripherally thereof, a drive mechanism for rotating the drum with a rotary shaft disposed on an axis of the drum, guide members formed in opposite end surfaces of the drum and extending circumferentially about the rotary shaft, a pair of counterweights movable along each of the guide members, a moving mechanism for engaging each of the counterweights and moving relative to the drum, thereby to move the counterweight along the guide member, and a fixing mechanism for fixing the counterweight to the guide member in time of image recording.