Doctor blade bar assembly

Details Doctor blade bar assembly Doctor blade bar assembly

1993-04-26

1994-09-13

Burr, Edgar S.

Printing

Inkers

Roller

101169, 101350, 101155, 118413, B41F 146

Patent

active

053458672

ABSTRACT:
A doctor blade bar assembly supports spaced doctor blades which are resiliently carried by slidable base bodies that can be moved to throw-on or adjust the doctor blades with respect to a screened ink roller. A pair of blade base shifting devices are secured to doctor blade base support beams. The shifting devices utilize rotatable eccentric cams to move the base bodies along guide surfaces on the beams. The doctor blades are moved in a linear manner to resiliently engage the screened ink roller at a negative contact angle. End plates on the base bodies cooperate with the spaced, resiliently supported doctor blades to form an ink receiving chamber.

REFERENCES:
patent: 2578406 (1951-12-01), Dutro
patent: 2898854 (1959-08-01), Crawford
patent: 4358996 (1982-11-01), Ohlsson
patent: 4556307 (1985-12-01), Jensen
patent: 4964336 (1990-10-01), Bock et al.
patent: 5085502 (1991-10-01), Kobler et al.
patent: 5152220 (1992-10-01), Lindner et al.
patent: 5168806 (1992-12-01), Reder et al.
patent: 5168810 (1992-12-01), Kojima
patent: 5213037 (1993-05-01), Leopard, II

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