Patents by Inventor Ralf Pein

Ralf Pein 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).

  • Rotary connection for a work machine
    Patent number: 9188155
    Abstract: A rotary connection for a work machine, such as a crane, includes a rotational axis, an inner bearing ring, an outer bearing ring and at least three bearing body ring arrangements arranged between the bearing rings with a plurality of respective bearing bodies. At least one of the bearing body ring arrangements is configured to at least partially withstand forces directed in the radial direction to the rotational axis. At least two of the bearing body ring arrangements are configured to at least partially withstand forces directed parallel to the rotational axis and are arranged adjacent to and spaced apart from one another along the rotational axis. The at least two bearing body ring arrangements are configured to at least partially withstand forces directed parallel to the rotational axis in each case establish a direction of action and are arranged spaced apart from one another along the direction of action.
    Type: Grant
    Filed: September 27, 2012
    Date of Patent: November 17, 2015
    Assignee: TEREX CRANES GERMANY GMBH
    Inventors: Alfons Weckbecker, Ralf Pein, Volker Noll, Frank Schnittker
  • Rotary connection for a work machine
    Publication number: 20140334752
    Abstract: A rotary connection for a work machine, such as a crane, includes a rotational axis, an inner bearing ring, an outer bearing ring and at least three bearing body ring arrangements arranged between the bearing rings with a plurality of respective bearing bodies. At least one of the bearing body ring arrangements is configured to at least partially withstand forces directed in the radial direction to the rotational axis. At least two of the bearing body ring arrangements are configured to at least partially withstand forces directed parallel to the rotational axis and are arranged adjacent to and spaced apart from one another along the rotational axis. The at least two bearing body ring arrangements are configured to at least partially withstand forces directed parallel to the rotational axis in each case establish a direction of action and are arranged spaced apart from one another along the direction of action.
    Type: Application
    Filed: September 27, 2012
    Publication date: November 13, 2014
    Inventors: Alfons Weckbecker, Ralf Pein, Volker Noll, Frank Schnittker