Patents by Inventor Per Wulf

Per Wulf 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: 4755098
    Abstract: Equipment for loading a cargo space (2), such as an interchangeable platform or container, onto a vehicle and for its removal from same and/or for dumping the cargo space. The equipment includes a horizontal frame (4) pivotable around a transverse horizontal shaft (7) placed at its rear part, a folding frame (5), whose rear end (9) is attached to the front end of the horizontal frame (4), being pivotable around a transverse horizontal shaft (8), and a hook part (10) being pivotably attached about a transverse horizontal axis to the front end of the folding frame, the upper end of the hook part being provided with a grasping member (11) for engaging the cargo space (2). An arm (22) is attached by means of articulated joints between the hook part (10) and the horizontal frame (4) so that the articulation point (23) between the arm and the hook part is placed at a lower level than the articulation point (21) between the folding frame and the hook part.
    Type: Grant
    Filed: April 23, 1986
    Date of Patent: July 5, 1988
    Assignee: Oy Partek Ab
    Inventors: Per Wulf, Jan Peterson