Adjustable bearing arrangement for a printing machine cylinder

Details Adjustable bearing arrangement for a printing machine cylinder Adjustable bearing arrangement for a printing machine cylinder

B - Operations, Transporting

41

F

101/115

B41F 13/26 (2006.01)

Patent

CA 1289814

ABSTRACT OF THE DISCLOSURE. To permit re-lining of a printing machine cylinder (9), while retaining the printing machine cylinder in adjusted position with respect to a reference, for example an associated cylinder, the side wall (1) of the printing machine is formed with an opening (2) sufficiently large to permit placing of a sleeve (14) over the cylinder. The cylinder shaft (8) is retained, prior to re-lining, in eccentric adjustment by a jaw chuck (3), preferably having three jaws (16, 17, 18) arranged in a star pattern and surrounding the shaft or the bearing, or an eccentric element thereof; the jaws of the jaw chuck are so placed that they can be withdrawn to clear the opening. To determine a previously adjusted position of the jaws of the jaw chuck, and thus a predetermined position of the cylinder with respect to the reference, after withdrawal of the jaw chucks, stop elements (10; 22, 23, 24) are associated with the jaw chucks so that, upon gripping the bearing (7) of the printing cylinder after a prior withdrawal, a previously adjusted position of the cylinder (9) will be reestablished.

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