Patents by Inventor Bror H. I. Karlsson

Bror H. I. Karlsson 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: 5076753
    Abstract: A lifting and turning device for work objects comprises a stand (14) and a holding frame (10) which is supported thereby and in which the work object is fixable. The holding frame is connected in a vertically adjustable as well as turnable manner with the stand. Driving elements are provided for lifting, lowering and turning the holding frame. According to the invention, the holding frame (10) has parallel driving and idling wheel tracks (12, 13) which have curved corners and, connected thereto, straight portions extending substantially perpendicular to one another. Furthermore, the device has a driving wheel (15) and an idling wheel (17), respectively, engaging the tracks (12, 13) and being provided at a distance from one another as seen in the direction of the tracks, one on the inside and the other on the outside of the parallel tracks. The wheel (17) on the inside is disposed on a higher level than the wheel (15) on the outside.
    Type: Grant
    Filed: August 27, 1990
    Date of Patent: December 31, 1991
    Assignee: Internationell Fabriksautomation I Goteborg AB
    Inventors: John B. B. Ahlsen, Kurt J. Dahlstrom, Bror H. I. Karlsson