Attachment for a damping unit of an offset printing press

Details Attachment for a damping unit of an offset printing press Attachment for a damping unit of an offset printing press

1990-03-09

1991-04-09

Fisher, J. Reed

Printing

Planographic

Dampeners

B41F 726, B41F 740, B41L 2502

Patent

active

050054740

ABSTRACT:
An attachment which can be fitted subsequently to the damping roller of an existing damping unit in order to obviate mottling includes a mounting frame in which tandem distributing rollers are mounted radially of a common damping roller for resilient movement and are driven thereby in the peripheral direction by friction. A coupling member on the frame is adapted to be coupled with or released from an existing bearing lever of the damping unit and a drive mechanism produces axial reciprocation of the frame.

REFERENCES:
patent: 4130057 (1978-12-01), List
patent: 4385559 (1983-05-01), Jarach

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