Selective drive for a damping unit metering roller in an offset

Details Selective drive for a damping unit metering roller in an offset Selective drive for a damping unit metering roller in an offset

1990-07-16

1992-01-21

Burr, Edgar S.

Printing

Planographic

Dampeners

101350, 101208, B41L 2500

Patent

active

050819259

ABSTRACT:
A selective drive for a metering roller in a damping unit of an offset printing press which enables the metering roller to be driven by the damping fluid fountain roller without peripheral slip during the joint washing of the damping unit and inking unit. The gearwheel drive producing the peripheral slip can be selectively brought into and out of operation by the meshing of two intermediate gears being interrupted and restored by a lever which carries the metering roller and one intermediate gear being pivoted by an actuating cylinder around the axis of the damping unit fountain or ductor roller.

REFERENCES:
patent: 2302490 (1942-11-01), Curtis
patent: 3749011 (1973-07-01), Abendroth
patent: 3911815 (1975-10-01), Banter
patent: 4440081 (1984-04-01), Beisel
patent: 4597329 (1986-07-01), Lembens
patent: 4676156 (1987-06-01), Aylor et al.
patent: 4922818 (1990-05-01), Junghans
patent: 4960051 (1990-10-01), Ohta et al.

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