Cleaning apparatus for a cylinder

Details Cleaning apparatus for a cylinder Cleaning apparatus for a cylinder

1988-09-27

1990-09-04

Eickholt, Eugene H.

Printing

Cleaning attachments

1525652, B41F 3500

Patent

active

049534637

ABSTRACT:
A cylinder cleaning apparatus for cleaning the surface of a cylinder such as an impression cylinder of an offset printing machine having a projection such as paper grippers, by means of a cleaner unit with a cleaning cloth which is selectively held in pressure contact with the surface of the cylinder while the cylinder rotates so that the surface is cleaned, by the relative movement between the cleaner unit and the surface of the cylinder. The apparatus has a projection detector capable of detecting the projection on the cylinder, and a cleaner unit retracting mechanism operative in response to the output from the projection detector such as to retract the cleaner unit away from the surface of the cylinder when the projection is detected by the projection detector means, thereby enabling the cleaner unit to clear the projection.

REFERENCES:
patent: 4058059 (1977-11-01), Moestue
patent: 4135448 (1979-06-01), Moestue
patent: 4254709 (1981-03-01), Arnolds
patent: 4311094 (1982-01-01), Ellison
patent: 4344361 (1982-08-01), MacPhee et al.
patent: 4393778 (1983-07-01), Kaneko
patent: 4673303 (1987-06-01), Sansone et al.
patent: 4757763 (1988-07-01), MacPhee et al.
patent: 4765242 (1988-08-01), Oya et al.

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