Patents by Inventor Staffan Liindberg

Staffan Liindberg 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).

  • Detachable joint
    Patent number: 6341918
    Abstract: A securing arrangement for releasably connecting two items comprises two elements. One of the elements is provided with hole with one wide section and one narrower section. The other element is provided with a peg opposite to and facing into the narrower hole section. The other item has a horseshoe-shaped protrusion with an inner waist and an outer collar, both of which has a lateral opening. To connect the items, the horseshoe-shaped protrusion with its collar is inserted laterally through the wide section of the hole with the lateral opening oriented towards the peg, and then longitudinally moved from the wide section into the narrower section to let the horseshoe-shaped protrusion enclose the peg. The items are secured by rotating relative to each other.
    Type: Grant
    Filed: June 16, 2000
    Date of Patent: January 29, 2002
    Assignee: Sandvik A.B.
    Inventors: Staffan Liindberg, Staffan Garras, Tord Englund