Patent · US Expired

Driving mechanism for groups of adjustable sheet-gripping elements in a transfer cylinder of a sheet-fed printing machine

US4357870A · kind A · utility

17Cited by

7References

13Claims

0Family size

Assignee

VEB Kombinat Polygraph Werner Lamberz Leipzig · DE

Inventors

Otfried Rudolph · Dresden, DE
Gunter Peter · Wadern, DE
Karlheinz Fischer · Coswig, DE

Key dates

Filing date	Jul 15, 1981
Grant date	Nov 9, 1982
Priority date	—
Expiry date	Jul 15, 2001

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB41F21/108
WIPO fieldTextile and paper machines
WIPO sectorMechanical engineering

Abstract

A driving mechanism for groups of operating elements arranged in a rotary sheet guiding cylinder of a sheet-fed printing machine includes a pair of control shafts arranged in the guiding cylinder parallel to its axis of rotation and being driven by transmission gears arranged in the cylinder, two sets of cams, each supported on an assigned control shaft for activating a group of operating elements in a selected operational mode of the machine, and clutch means provided between the transmission gears and the shafts and operated from one point to actuate one control shaft and deactivate the other control shaft.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.