Creoscitex Corporation Ltd.

Scitex Inc.

Moshe Beres

Yehuda Barnes Solomon

Nir Halup

A system for loading and clamping one or more plates onto the cylindrical surface of a rotatable drum, such as used in a platesetter for printing, and for unloading the plates from the drum. The system is characterized by clamps that are movable over the surface, preferably along circumferential tracks, enabling the attachment of multiple plates, end-to-end and/or side-by-side, each plate having any of a wide range of sizes. The clamps are preferably of the dynamic type, whereby the clamping force increases with rotational speed. Also disclosed is a method for mounting and unmounting plates, using the movable clamps, such that allows flexible and convenient arrangement of loading- and unloading stations.

Apparatus for clamping plates to external drum devices, based on movable clamps

Method for loading and unloading plates to external drum devices based on movable clamps

Apparatus for loading and unloading plates to external drum devices having movable clamps

A clamp for gripping an edge of a plate that is mounted on the surface of a rotatable drum. The clamp includes a hinge, attached to the drum and including a pivot axis, and a gripper, formed to have a tip, operative to press the edge of the plate against the drum. The gripper is attached to the hinge so that the center of mass of the gripper is in a direction from the pivot axis that is generally opposite the direction of the tip from the pivot axis.

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Nes Ziona, Israel

Moshe Beres