Adjusting device with a pneumatic cylinder in a printing press
AssigneeHeidelberger Druckmaschinen AG
InventorsGerhard Pollich, Lothar Stadler, Hans-Jurgen Bernau
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Abstract
An adjusting device has a pneumatically operating piston-cylinder unit pressurizable in an operating function thereof for actuating adjusting elements in a printing press. The piston-cylinder unit includes a cylinder housing formed with a cylinder chamber, a piston displaceable in the cylinder chamber, and an electromagnet for applying an activated holding force to the piston, the piston being subjectible pneumatically to a prepressurizing force in the cylinder chamber opposite to and less than the activated holding force.
Claims7
Adjusting device with a pneumatically operating piston-cylinder unit pressurizable in an operating function thereof for actuating adjusting elements in a printing press, the piston-cylinder unit comprising a cylinder housing formed with a cylinder chamber, a piston displaceable in said cylinder chamber, and an electromagnet for applying an activated holding force to said piston, said piston being subjectible pneumatically to a prepressurizing force in said cylinder chamber opposite to and less than said activated holding force.
Adjusting device for arresting travel of a mis-fed sheet in a feeder of a sheet-fed printing press having a pneumatically operational piston-cylinder unit secured to a press frame and being operatively engageable with a control lever for sheet grippers, the piston-cylinder unit comprising a cylinder housing fixed to the press frame and formed with a cylinder chamber, a piston displaceable in an axial direction thereof in said cylinder chamber, and an electromagnet for applying a holding force to said piston, said piston being subjectible pneumatically in said axial direction to a prepressurizing force in said cylinder chamber opposite to and less than said holding force.
Dependencies are inferred from the claim text.