Actuation device for pressure rollers
AssigneeEastman Kodak Company
InventorsLennardt Jader, Peter Schmidt
Life of this patent
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Abstract
In a device for moving a plurality of pressure rollers relative to respective counter rollers in a printing machine, it is possible to provide a simple design of this device, wherein, in a non-energy mode, the pressure rollers are arranged in a non-contact position. For this purpose, the device includes a plurality of movably supported pressure roller carriers that each support one pressure roller, the pressure roller carriers being movable between a contact position and a non-contact position. In this arrangement, each of the pressure roller carriers is biased in the direction of the contact position via a biasing unit. Furthermore, at least one actuation element is provided, the actuation element connecting at least two pressure roller carriers to a shared actuation device.
Claims17
A device for moving a plurality of pressure rollers relative to respective counter rollers in a printing machine, said device comprising:
- a plurality of movably supported pressure roller carriers, each supporting respectively one pressure roller, said pressure roller carriers being movable between a contact position and a non-contact position,
- with each of said pressure roller carriers being biased via a biasing unit in a direction of the contact position;
- and
- at least one actuation element connecting at least two pressure roller carriers to a shared actuation device, wherein the pressure roller carriers are adapted to automatically move to the non-contact position when the actuation device is in its non-energy mode.
A device for moving a plurality of pressure rollers relative to respective counter rollers in a printing machine, said device comprising:
- a plurality of movably supported pressure roller carriers, each supporting respectively one pressure roller, said pressure roller carriers being movable between a contact position and a non-contact position,
- with each of said pressure roller carriers being biased via a biasing unit in the direction of the contact position;
- and
- at least one actuation element connecting at least two pressure roller carriers to a shared actuation device:
- wherein the pressure roller carriers are in the non-contact position when the actuation device is in its non-energy mode, with the actuation device comprising an actuation device of the group comprising the following:
- a pneumatic actuation device, a hydraulic actuation device or an electromagnetic actuation device.
A method for moving a plurality of pressure rollers relative to respective counter rollers in a printing machine, the method comprising simultaneously moving a plurality of pressure rollers away from the counter rollers with the aid of a shared actuation element to which a pulling force is being applied, the shared actuation element being attracted with only one actuation device;
- with the actuation device, when in its non-energy mode, automatically moving the pressure rollers away from the counter rollers in order to arrange them in a non-contact position.
Dependencies are inferred from the claim text.