Patents by Inventor Uno Karlsson

Uno 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).

  • End piece seal for a rail vehicle slack adjuster
    Patent number: 5615755
    Abstract: An end piece or barrel head (1) for a rail vehicle axial slack adjuster is at its outer periphery connected to a barrel (2) of the adjuster and is arranged around a rotatably and axially movable tube (3). The end piece is provided with an internal, circumferential groove (4), connected to the exterior by way of a number of channels (5) opening in the end wall (1') of the end piece for allowing water collected in the groove to freely pass out to the exterior. The end piece is extended further into the barrel by way of a sleeve (1"), which is connected to the groove by way of notches (6) and contains a sealing ring (7) engaging the tube and sealingly cooperating with the sleeve.
    Type: Grant
    Filed: October 11, 1995
    Date of Patent: April 1, 1997
    Assignee: SAB WABCO AB
    Inventor: Uno Karlsson
  • Seal for a rail vehicle slack adjuster
    Patent number: 5476269
    Abstract: An end piece or barrel head (1) for an axial slack adjuster is at its outer periphery connected to a barrel (2) of the adjuster and is arranged around a rotatably and axially movable tube (3). The end piece is provided with an internal, circumferential groove (4), connected to the exterior by means of a number of channels (5) opening in the end wall (1') of the end piece for allowing water collected in the groove to freely pass out to the exterior.
    Type: Grant
    Filed: January 12, 1995
    Date of Patent: December 19, 1995
    Assignee: SAB WABCO AB
    Inventor: Uno Karlsson