CHANGE-OVER DEVICE FOR THE GRIPPER MOVEMENT ON A TURNING DRUM ON PERFECTING PRINTING PRESSES

Gripper movement changeover device on a sheet-turning drum for perfector printing machines having drive members for the gripper movement pivotable about pivot pins, each of the drive members carrying a roller selectively engageable with coaxially disposed control cams for following the same, include...

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Bibliographic Details
Main Authors HEIDELBERGER DRUCKMASCHINEN AG, WIRZ A
Format Patent
LanguageEnglish
Published 26.10.1977
Subjects
LINING MACHINES
PERFORMING OPERATIONS
PRINTING
PRINTING MACHINES OR PRESSES
STAMPS
TRANSPORTING
TYPEWRITERS
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Summary:Gripper movement changeover device on a sheet-turning drum for perfector printing machines having drive members for the gripper movement pivotable about pivot pins, each of the drive members carrying a roller selectively engageable with coaxially disposed control cams for following the same, includes a bridge disposed in a cavity formed in the sheet-turning drum, the bridge extending over the length of the sheet-turning drum, the drive members being mounted in the bridge, the bridge being longitudinally displaceable a distance corresponding to the mutual spacing of the control cams of the respective drive members.
Bibliography:Application Number: ZA19760006576