Patents Assigned to Stahl Aufzge GmbH & Co. KG
  • Low friction cylinder for manipulators, based on the pantograph principle and equipped with a pneumatic balancer control
    Patent number: 4666364
    Abstract: In a pantograph load handling device having work arms formed of a parallelogram linkage, an improved load cylinder arrangement is provided comprising a flexible diaphragm disposed in a loose support arrangement to afford vertical movement of the load in a more accurate and inexpensive operation than heretofore known.
    Type: Grant
    Filed: June 19, 1984
    Date of Patent: May 19, 1987
    Assignee: Stahl Aufzge GmbH & Co. KG
    Inventors: Joachim Doege, Hanns-Dieter Paschke, Ke D. Tran