Patent · US Expired

Clutch for drive elements of a printing machine

US6857364B2 · kind B2 · utility

2Cited by

14References

20Claims

0Family size

Assignee

Heidelberger Druckmaschinen AG · DE

Inventors

Christian Gorbing · Heidelberg, DE
Karl-Heinz Helmstadter · Heidelberg, DE

Key dates

Filing date	Apr 1, 2002
Grant date	Feb 22, 2005
Priority date	—
Expiry date	Jun 29, 2022

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB41P2213/25
WIPO fieldTextile and paper machines
WIPO sectorMechanical engineering

Abstract

A device for locking, with respect to a first power transmission element, a further power transmission element that is lockable in a rotational position thereof, provides for the first and the further power transmission element to have a common working chamber with a variable volume to which a pressure medium can be applied, it being possible for the pressure medium in the working chamber to be solidified by applying an electric voltage or a magnetic force field thereto.

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