Device for cleaning and inking unit of an offset printing machin

Details Device for cleaning and inking unit of an offset printing machin Device for cleaning and inking unit of an offset printing machin

1995-07-13

1996-11-19

Burr, Edgar S.

Printing

Antismut device

Cleaners

101425, B41F 3504

Patent

active

055752101

ABSTRACT:
A cleaning apparatus for the inking mechanism of an offset printing machine including an ink fountain roller, an ink lifter roller and ink take-off roller associated with an ink roller train wherein the ink lifter roller is journalled for rotation on one end of a lever arm pivotally supported intermediate the ends thereof by an eccentric coupling. A working cylinder and an articulated link rotate the eccentric coupling and move the lever arm and ink lifter roller between a cleaning position, wherein the ink lifter roller simultaneously contacts the ink fountain roller and the ink take-off roller, and a printing position, wherein the lever arm pivots about the eccentric coupling to oscillate the lifter roller between contact with the ink fountain roller and the ink take-off roller. A cam follower disposed at a second end of the lever arm is engageable with a rotatable control device for pivoting the lever arm about the eccentric coupling to oscillate the ink lifter roller between contact with the ink fountain roller and the ink take-off roller when the lever arm is moved to the printing position; the cam follower being disengaged from contact when the control means with the lever arm is moved to the cleaning position.

REFERENCES:
patent: 1082409 (1913-12-01), Cormack
patent: 3842735 (1974-10-01), Southam et al.
patent: 5251566 (1993-10-01), Kobayasi
patent: 5375522 (1994-12-01), Junghans
patent: 5452660 (1995-09-01), Stein

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