Patents by Inventor .ANG.ke sterberg

.ANG.ke sterberg 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).

  • Balancing unit for pivotable mechanical elements, such as doors, robot arms, etc.
    Patent number: 4904150
    Abstract: The invention relates to a balancing unit (1) for, for example, a movable arm in an industrial robot. The unit comprises a cylinder (2) with a piston (3) and a piston rod (4) arranged in the cylinder (2). The cylinder (2) is completely closed except for a sealed exit opening for the passage of the piston rod (4). On one side of the piston (3), the cylinder space is connected to a medium which is under high pressure, and on the other side of the piston (3) the cylinder space is connected, via a connection at the end of the cylinder (2), to a closed isolated space.
    Type: Grant
    Filed: May 12, 1988
    Date of Patent: February 27, 1990
    Assignee: Asea Brown Boveri AB
    Inventors: Roland Svensson, .ANG.ke sterberg