Cylinder cleaning apparatus for printing press

Details Cylinder cleaning apparatus for printing press Cylinder cleaning apparatus for printing press

1996-07-10

1998-08-25

Burr, Edgar S.

Printing

Cleaning attachments

101423, B41F 3500

Patent

active

057973253

ABSTRACT:
A cylinder cleaning apparatus for a printing press includes a cleaning unit, an actuator, another actuator, and a control unit. The cleaning unit is supported by a printing press frame to be movable between a cleaning position where a cleaning web is in contact with a circumferential surface of a cylinder and a retreat position where the cleaning web is separate from the circumferential surface of the cylinder. The cleaning unit has a cleaning cloth supply roll for supplying the cleaning web to the circumferential surface of the cylinder and a cleaning cloth take-up roll for taking up the cleaning web supplied from the cleaning cloth supply roll. The actuator is fixed to the printing press frame to pivot the take-up roll for a predetermined amount, thereby taking up the cleaning web. Another actuator moves the cleaning unit to one of the cleaning position and the retreat position in accordance with whether the cylinder is in a first or second cleaning mode. The control unit controls at least one of the two actuators in accordance with a position of the cleaning unit to set take-up amounts of the cleaning web to be taken up by the take-up roll in the first and second cleaning modes to be substantially equal to each other.

REFERENCES:
patent: 4986182 (1991-01-01), Sawaguchi et al.
patent: 5309836 (1994-05-01), Takeuchi
patent: 5325779 (1994-07-01), Ebina
patent: 5325780 (1994-07-01), Matsuda et al.
patent: 5515782 (1996-05-01), Ebina et al.

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