Patents by Inventor Karl Back

Karl Back 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).

  • Rolled Plain Bearing Bush
    Publication number: 20090034893
    Abstract: The invention relates to a rolled plain bearing bush (2) having a plurality of grooves (8) which are provided on its outer periphery (4) and run in the peripheral direction, which grooves (8) are of wedge-shaped or V-shaped design, so that, in the course of the calibration of the plain bearing bush (2) by passing through a mandrel while the outer periphery is fixedly held, they can receive a material displacement by virtue of being at least partially closed or narrowed.
    Type: Application
    Filed: May 24, 2007
    Publication date: February 5, 2009
    Inventor: Karl Back
  • Roll-formed bushing for sliding surface bearings
    Patent number: 5836699
    Abstract: A roll-formed sliding surface bearing bushing is circular in an installed state and has a butt joint which extends throughout the width of the bushing and is closed in an installed state. To ensure a backlash-free bearing arrangement, the bushing has on its outside peripheral surface a trapezoidal profile, which includes an angle of 1.degree. to 30.degree. with the plane which contains the longitudinal axis of the bushing.
    Type: Grant
    Filed: September 27, 1995
    Date of Patent: November 17, 1998
    Assignee: Kolbenschmidt Aktiengesellschaft
    Inventors: Karl Back, Karl Becker, Wolfgang Bickle, Thomas Storch
  • Roll-formed bushing for sliding surface bearings
    Patent number: 4865467
    Abstract: A roll-formed bushing for sliding surface bearings has no machining allowance in the bearing bore and is made of a strip section and has a butt joint that extends throughout the width of the bearing. In order to reduce the allowances of the bore diameter and the outside diameter of the bearing bushing, the butt joint has been closed by charge carrier beam welding.
    Type: Grant
    Filed: August 22, 1988
    Date of Patent: September 12, 1989
    Assignee: Kolbenschmidt Aktiengesellschaft
    Inventors: Karl Becker, Alfred Berger, Joachim Iwansky, Roland Koble, Karl Back