Sheet-transporting drum and printing machine having the sheet-transporting drum

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 9738472
APP PUB NO 20160325953A1
SERIAL NO

15134598

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A sheet-transporting drum includes sheet-supporting areas each being formed of a first comb segment and a second comb segment having segment teeth. At least one of the comb segments is rotatable for adaptation to a sheet format. A mechanical leading-edge gripper is provided on the first comb segment and a pneumatic trailing-edge gripper is provided on the second comb segment. A mechanical trailing-edge gripper is additionally disposed on the second comb segment and is deactivatable in particular by format adjustments. This advantageously allows either the trailing edge of a sheet to be securely held down mechanically or a full-bleed print to be applied to the sheet when the trailing edge of the sheet is held down pneumatically. A sheet-fed printing machine is also provided.

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Patent Owner(s)

Patent OwnerAddress
HEIDELBERGER DRUCKMASCHINEN AG69116 HEIDELBERG

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Conzelmann, Daniel Dielheim, DE 14 37
Dolz, Wolfgang Heidelberg, DE 14 34
Goll, Sven Heidelberg, DE 1 1
Juenger, Arno Walldorf, DE 4 10
Knabe, Alexander Heidelberg, DE 17 37
Maul, Albert Heidelberg, DE 13 75
Mueller, Kai Oskar Birkenau, DE 4 5
Rothaug, Juergen Nussloch, DE 2 3
Schmidt, Thomas Heidelberg, DE 315 1679
Schroeder, Raimund Hockenheim, DE 2 8

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