Patent Number: 6,254,094

Title: Method and device for transferring a trailing edge of a sheet in a reversing device of a sheet-fed rotary printing machine

Abstract: A device for transferring to a downline sheet-guiding cylinder of a reversing device in a sheet-fed rotary printing machine, a trailing edge of a sheet guided on an upline sheet-guiding cylinder, includes at least one lifting device for lifting the trailing edge of the sheet from the upline sheet-guiding cylinder, and a gripper device disposed on the downline sheet-guiding cylinder, the gripper device having a gripper pad extensible out of the periphery of the downline sheet-guiding cylinder for receiving the trailing edge of the sheet from the lifting device outside the periphery, and retractable into the periphery of the downline sheet-guiding cylinder after receiving the trailing edge of the sheet, the lifting device being at least one adjustable blowing nozzle disposed in a stationary manner or on the upline sheet-guiding cylinder, for blowing air beneath the trailing edge of the sheet; and a method of transferring the trailing edge of the sheet.

Inventors: Becker; Willi (Bammental, DE), Fricke; Andreas (Eberbach, DE)

Assignee: Heidelberger Druckmaschinen Aktiengesellschaft

International Classification: B41F 21/00 (20060101); B41F 21/10 (20060101); B65H 029/00 (); B65H 029/54 ()

Expiration Date: 07/03/2018