Patents by Inventor Lars-Gunnar Asberg

Lars-Gunnar Asberg 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).

  • Tool clamping device
    Patent number: 5037254
    Abstract: A tool clamping device comprises an axial sleeve having a forwardly tapering internal surface. A radially compressible ring is disposed on the internal surface. An axially compressible spring opposes axial movement of the ring while permitting axial rearward movement of the sleeve whereby the tapering surface of the sleeve compresses the ring radially inwardly into coupling engagement with a groove formed in a tool holder.
    Type: Grant
    Filed: January 18, 1990
    Date of Patent: August 6, 1991
    Assignee: Sandvik AB
    Inventor: Lars-Gunnar Asberg