B - Operations – Transporting – 41 – F
Patent
B - Operations, Transporting
41
F
B41F 1/46 (2006.01) B41F 27/12 (2006.01)
Patent
CA 2091787
A-950 27.04.1992 wwba.ur Abstract The invention relates to a device for feeding a printing plate (3) to a plate cylinder (7) of a printing press, said plate cylinder (7) comprising an apparatus (4) for clamping the printing-plate front edge, with the device being provided with at least one element for holding and guiding the printing plate (3). The object of the invention consists in designing such a device so as to permit, in simple manner, the precise feeding of the printing plate (3) to the plate cylinder (7) with maximum care being taken of the printing area. The object of the invention is achieved in that at least one easily rotatable roller (2) serves as the element (28) for holding and guiding the printing plate, wherein, in a plate-changing position, the side of the roller (2) facing the printing unit is situated basically on a straight line, said straight line extending parallel to the clamping surfaces (45) of the apparatus (4) for holding the printing-plate front edge, passing between said clamping surfaces (45) and leaving the printing unit (6) in a diagonally upward direction. In addition, a suction cup (31) - as a further element for holding a guiding the printing plate (3) - may be disposed on said straight line above the roller (2), with it being advantageous for said suction cup (31) to be adapted to be vented in that a hole (35) in the region of the printing-plate rear edge reaches the suction cup (31) through the pulling-in of the printing plate (3). (Fig. 1)
Beisel Hermann
Compera Christian
Beisel Hermann
Compera Christian
Heidelberger Druckmaschinen Aktiengesellschaft
Johnson Douglas S. Q.c.
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