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

1988-04-27

1989-08-15

Burr, Edgar S.

Printing

Rolling contact machines

101216, 101153, 1013821, 384 99, 279110, B41F 1320

Patent

active

048564257

ABSTRACT:
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the shaft or the bearing, or an eccentric element thereof; the jaws of the jaw chuck are so placed that they can be withdrawn to clear the opening.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.

REFERENCES:
patent: 913119 (1909-02-01), Ford
patent: 1797541 (1931-03-01), Borden
patent: 1853255 (1932-04-01), Borden
patent: 2118965 (1938-05-01), Buttner
patent: 2929572 (1960-03-01), Baumgartner et al.
patent: 2961277 (1960-11-01), Sternlicht
patent: 3633503 (1972-01-01), Tafel
patent: 3679272 (1972-07-01), Costa et al.
patent: 3986454 (1976-10-01), Granger
patent: 4395140 (1983-07-01), Sable
patent: 4453464 (1984-06-01), Weis

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