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US 6,631,901 B2Granted
Sheet-feeding device
AssigneeWeitmann & Konrad GmbH & Co. KG
InventorsGünter Hess, Carlheinz Weitmann
Life of this patent
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Abstract
The present invention relates to a sheet-feeding device for delivering printed sheets produced by a printing press, having a plurality of grippers which grasp the sheets and transport them from the printing press in the direction of a stacking device, characterized in that the sheet-feeding device is provided with at least one linear motor for transporting the grippers.
Claims8
A sheet-feeding device for delivering printed sheets produced by a printing press, comprising:
- a plurality of grippers which grasp the printed sheets on at least one long side edge of the printed sheets and transport them from the printing press in the direction of a stacking device;
- at least one linear motor for transporting said grippers, said at least one linear motor having a primary segment with a plurality of sheet carriages movable on said primary segment and on which said grippers are secured;
- and
- a controller which separately triggers the sheet carriages causing the sheet carriages to move from the printing press in the direction of the stacking device.
1 more element
A method for operating a sheet-feeding device, comprising the steps of:
- grasping a printing sheet on at least one long side edge by at least one gripper which is secured to a carriage of a linear motor;
- separately triggering individual sheet carriages of a primary segment of the linear motor to trigger the movement of the sheet carriage along the primary segment;
- and
- transporting the grasped sheets from a printing press in the direction of a stacking device.
1 more element
Dependencies are inferred from the claim text.