Device for manipulating sleeves on cylinders
AssigneeMAN Roland Druckmaschinen AG
InventorsWolfgang Prem, Anton Stadlmair
Life of this patent
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Abstract
A device for manipulating sleeves, including sleeves serving as printing forms or as rubber blankets as well as screened sleeves, from outside the printing mechanism without removing the paper web which has been drawn in. The device includes a sleeve gripping system associated with each cylinder intended to receive a sleeve. A force mechanism is activated by this sleeve gripping system to grip the sleeve within the printing mechanism in a frictional or positive engagement. When gripped, the respective sleeve can be displaced on the cylinder in the axial direction in a correctly positioned manner by the gripping system at least between the side walls of the printing mechanism.
Claims8
A device for manipulating a printing form sleeve or rubber blanket sleeve on a cylinder that is cantilever mounted horizontally in a rotary printing machine while the cylinder is horizontally mounted between side walls of the printing machine, the cylinder having an axis, the device comprising:
- force means for engaging the sleeve within the printing machine;
- and sleeve gripping means for activating the force means to grip the sleeve within the printing machine in a frictional manner, so that the entire sleeve, when gripped, is selectively displaceable axially on the cylinder in either axial direction while the sleeve is between the side walls of the printing machine so that the sleeve is correctly positionable on the cylinder, the sleeve gripping means including a guide rail horizontally mountable between the side walls of the printing machine so as to extend parallel to the cylinder axis, a guide member displaceably mounted on the guide rail so as to be engageable with the sleeve for moving the sleeve between the side walls, and a drive articulated to the guide member to displace the guide member.
Dependencies are inferred from the claim text.