Patent · US Expired

Device for driving or synchronizing cylinders in offset printing presses

US4321869A · kind A · utility

8Cited by

2References

4Claims

0Family size

Assignee

Heidelberger Druckmaschinen AG · DE

Inventors

Willi Jeschke · Bad Herrenalb, DE
Hugo Rambausek · Wiesloch, DE
Paul Christopher Schilling · Neckargemünd, DE

Key dates

Filing date	Jul 2, 1979
Grant date	Mar 30, 1982
Priority date	—
Expiry date	Jul 2, 1999

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10S474/90
WIPO fieldTextile and paper machines
WIPO sectorMechanical engineering

Abstract

Drive for cylinders of an offset printing machine having a gear train constructed of spur gears disposed as drive gears on respective shafts of the cylinders, and including clamping devices for synchronizing rotation of the cylinders, the clamping devices being rotatable with the spur gears respectively associated therewith and having respective gear rims deformable more or less in accordance with an adjustment thereof, including a clamping plate respectively disposed coaxially to the spur gears, the spur gears being helically toothed, and at least two of the clamping devices mounted on the clamping plates, respectively, and acting in radial direction upon the gear rim of the spur gear respectively associated therewith.

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