Patents by Inventor Werner LUIDL

Werner LUIDL has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 9555511
    Abstract: The invention relates to an apparatus for the assembly and disassembly of hydraulic cylinders, composed of a pedestal-like machine frame having horizontally arranged guide means which bear, in displaceable manner, a receptacle for the cylinder barrel of the hydraulic cylinder, at least one receptacle for a support and a receptacle for a tool, and furthermore having a holder for fixing the piston rod of the hydraulic cylinder. According to the invention, the holder for fixing the piston rod has a centering carriage which is driven by a centering spindle and which comprises a piston rod receptacle, wherein the holder is designed to be rotatable about the longitudinal axis of the machine frame and the rotational movement is realized by means of a torque-controlled electromotive drive.
    Type: Grant
    Filed: December 24, 2013
    Date of Patent: January 31, 2017
    Assignees: Zeppelin Baumaschinen GmbH, Martin Trenkle
    Inventors: Martin Trenkle, Werner Luidl
  • Publication number: 20150336225
    Abstract: The invention relates to an apparatus for the assembly and disassembly of hydraulic cylinders, composed of a pedestal-like machine frame having horizontally arranged guide means which bear, in displaceable manner, a receptacle for the cylinder barrel of the hydraulic cylinder, at least one receptacle for a support and a receptacle for a tool, and furthermore having a holder for fixing the piston rod of the hydraulic cylinder. According to the invention, the holder for fixing the piston rod has a centering carriage which is driven by a centering spindle and which comprises a piston rod receptacle, wherein the holder is designed to be rotatable about the longitudinal axis of the machine frame and the rotational movement is realized by means of a torque-controlled electromotive drive.
    Type: Application
    Filed: December 24, 2013
    Publication date: November 26, 2015
    Inventors: Martin TRENKLE, Werner LUIDL