PRINTING BARREL SUPPORT UNIT, POSITIONING ELEMENT, PRINTING BARREL EQUIPPED WITH POSITIONING ELEMENT, PRINTER EQUIPPED WITH PRINTING BARREL SUPPORT UNIT AND ITS USE

摘要

PROBLEM TO BE SOLVED: To provide a printing barrel support unit suitable for supporting a printing form having a rotary shaft.

SOLUTION: The printing barrel support unit for a printer related to this invention is equipped with a support frame, a support means provided to the support frame, a support means provided to the support frame and one of some positioning elements. The supporting means is equipped with a displacement means and at least three support elements for supporting each axial direction end part of the printing barrel and the supporting elements are composed to mutually act the positioning element at a supporting point in the positioning element. The positioning element is enabled to be connected to any one of some printing barrel. The displacement means comprises by supporting the positioning elements at various support points by moving at least two supporting elements to the support frame. The positioning element can be connected to the support element in the state that rotation is restricted by the support element and further the axial supporting means for housing a rotary shaft of the printing barrel is provided.

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