Mechanism for transporting and positioning printing masters
AssigneeHoechst Aktiengesellschaft
InventorWerner Dennhardt
Life of this patent
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Abstract
A mechanism for transporting and positioning printing plates in a processing unit comprising a plate holder for storing printing plates which are to be transported to an exposure table, said plate holder being pivotable between a horizontal position and a vertical position and abutting a pair of roller guides when it is in its vertical position, a horizontally displaceable suction means for grasping the foremost printing plate of a supply of plates in the plate holder by its uncoated reverse side, and for transporting the printing plate to a position above a gripping device, and opposed positioning means arranged above this gripping device, at least one of these positioning means being displaceable toward the other to position and maintain a printing plate in a predetermined desired position.
Claims14
A mechanism for positioning and transporting printing masters from a plate holder means to an exposure table means in a processing unit, said mechanism comprising;
- means for holding a supply of plates, said holding means being pivotable to a vertical position;
- roller guide means abutting said holding means when said holding means is in said vertical position;
- suction means for grasping the foremost plate of a supply of plates in said holding means, said suction means being horizontally displaceable in order to transport a grasped printing plate along a transport path;
- means disposed below said transport path for gripping a printing plate;
- and
- a pair of opposed positioning means disposed above said gripping means for positioning and maintaining a printing plate in a predetermined position, at least one of said positioning means being laterally displaceable toward the other of said positioning means.
Dependencies are inferred from the claim text.