Device for engaging and disengaging an inking unit and dampening

Details Device for engaging and disengaging an inking unit and dampening Device for engaging and disengaging an inking unit and dampening

1993-09-16

1994-10-11

Fisher, J. Reed

Printing

Planographic

Dampeners

101352, B41F 740, B41F 3132, B41L 2732

Patent

active

053537025

ABSTRACT:
A device for coupling and uncoupling inking unit and dampening unit drives in rotary printing machines is actuated with an operator-accessible control knob mounted at a printing unit. A sensor assembly detects a safety rest or safety release movement of the control knob preceeding a switching movement of the control knob. A control shaft is connected to and rotatable by the control knob. A cam member with a cam surface is mounted on the control shaft. The cam surface is followed by sensing devices which continuously sense the cam surface. A traverser bushing is axially movably mounted in the printing unit. Transmission members are connected between the control knob and the traverser bushing for converting a switching movement of the control knob to an axial movement of the traverser bushing. The axial movement of the traverser bushing is between defined positions which cause the inking and/or dampening unit drives to be engaged and disengaged.

REFERENCES:
patent: 4590858 (1986-05-01), Sedlak et al.
patent: 4699053 (1987-10-01), Wenzel
patent: 4872406 (1989-10-01), Kusch

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