Patent application number | Description | Published |
20080217836 | Method and Apparatus for Proof Sheet Removal - An apparatus for the removal of proof sheets from a sheet-processing machine has at least one sheet catcher provided with a gripper device. The gripper draws the sheet out of the stacking region. A lower sheet catcher is first moved into the stacking region above the sheet stack. Following a deposition of at least one proof sheet, the sheet is gripped with the gripper device, and following sheets are held back with an upper sheet catcher. Then the proof sheet is drawn out of the stacking region by moving the lower sheet catcher and the gripper device back. | 09-11-2008 |
20080224384 | Method and Apparatus for Processing a Sheet Before the Sheet Transport in the Grip of Grippers - A method and an apparatus for improving the sheet transport in the grip of grippers in a sheet-processing machine, for example a printing press. The sheet corners of the print-free gripper edge are removed in order to increase the sheet stability and in order to avoid these limp sheet corners being able to turn over. | 09-18-2008 |
20080229951 | Device for the Transport of Sheets by Means of a Chain-driven Gripper Bar - In a device for the transport of sheets in a sheet-processing machine, preferably a printing press, provision is made to transport the sheets on chain-guided gripper bars. The gripper bars are fixed respectively to two chain links arranged indirectly beside each other. The forces acting on the gripper bars are more evenly distributed. | 09-25-2008 |
20100124456 | APPARATUS FOR CLAMPING OR RELEASING A DRIVE WHEEL ON A SHAFT, SHEET-PROCESSING MACHINE AND SHEET-FED ROTARY PRINTING PRESS - An apparatus for clamping and releasing a drive wheel on a shaft, includes a spring device which encloses the shaft annularly to provide a direct clamping connection with the shaft. The spring device is connected to the drive wheel which can be a chain sprocket or a gearwheel. A sheet-processing machine and a sheet-fed rotary printing press, are also provided. | 05-20-2010 |
20110094401 | APPARATUS FOR CORRECTING THE POSITION OF SHEETS - In an apparatus for correcting a position of a sheet which is transported in the grip of grippers on a feed drum of a sheet processing machine, in particular a sheetfed rotary printing press, provision is made for a gripper device of the drum to be mounted in independently rotatable arranged supports and for it to be possible for each support to be driven by a step-up gear mechanism. | 04-28-2011 |