Ink duct pivotable between two positions

Details Ink duct pivotable between two positions Ink duct pivotable between two positions

1999-04-26

2001-04-10

Asher, Kimberly L. (Department: 2854)

Printing

Inkers

Roller

C101S352040, C101S351300

Reexamination Certificate

active

06213017

ABSTRACT:

FIELD OF THE INVENTION
The present invention relates to an ink duct for an ink unit of a rotary printing press. The ink duct includes ink metering elements and can be shifted between at least two separate positions.
DESCRIPTION OF THE PRIOR ART
U.S. Pat. No. 5,184,556 describes a pivotable doctor blade.
SUMMARY OF THE INVENTION
The object of the present invention is directed to creating an ink duct which is easy to clean.
This object is attained in accordance with the invention by providing an ink duct with two arrangements of ink metering elements, such as doctor blades. The ink duct is pivotable about an ink metering roller with which it works between a working position and an ink draining position. During shifting, the ink metering elements remain in contact with the ink metering roller.
The advantages which can be achieved by the present invention lie, in particular, in that the ink duct, which is arranged on the ink metering roller, can be effortlessly pivoted from a working position into a draining position and back. For example, for changing doctor blades, the ink duct can be brought from the working position into the draining position and thereafter into a cleaning position, in which the ink duct is moved away from the ink metering roller, without ink running out of the ink duct.
Because the ink duct can be easily taken out of the printer in its draining position, both the ink duct as well as the metering elements fastened on the ink duct can be easily cleaned. Moreover, the ink roller itself is accessible.


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patent: 29518278U1 (1996-02-01), None
patent: 0180075 B1 (1985-10-01), None
patent: 0556460 A1 (1993-08-01), None
patent: WO 96/04140 (1996-02-01), None

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