Patents by Inventor Jorgen Lefsrud

Jorgen Lefsrud 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: 9469046
    Abstract: A butt flare reducing apparatus for logs is provided. The apparatus includes a machine frame, a stator ring assembly fixedly coupled to the machine frame, and a flare reducing tool adjustment assembly movably coupled to the stator ring assembly. The apparatus further includes an actuator coupled on one end to the machine frame and on the other end to the flare reducing tool adjustment assembly to move the flare reducing tool adjustment assembly between the opposing end positions, and a rotor assembly rotatably coupled to the stator ring assembly. The rotor assembly includes a rotor frame and at least one flare reducing tool movably coupled to the rotor frame to translate linearly toward and away from a longitudinal axis of rotation in direct correlation to movement of the actuator and flare reducing tool adjustment assembly to adjust a log processing diameter. Related methods are also provided.
    Type: Grant
    Filed: July 23, 2015
    Date of Patent: October 18, 2016
    Assignee: Nicholson Intellectual Property, Inc.
    Inventors: Marek Cholewczynski, Jorgen Lefsrud
  • Publication number: 20160031116
    Abstract: A butt flare reducing apparatus for logs is provided. The apparatus includes a machine frame, a stator ring assembly fixedly coupled to the machine frame, and a flare reducing tool adjustment assembly movably coupled to the stator ring assembly. The apparatus further includes an actuator coupled on one end to the machine frame and on the other end to the flare reducing tool adjustment assembly to move the flare reducing tool adjustment assembly between the opposing end positions, and a rotor assembly rotatably coupled to the stator ring assembly. The rotor assembly includes a rotor frame and at least one flare reducing tool movably coupled to the rotor frame to translate linearly toward and away from a longitudinal axis of rotation in direct correlation to movement of the actuator and flare reducing tool adjustment assembly to adjust a log processing diameter. Related methods are also provided.
    Type: Application
    Filed: July 23, 2015
    Publication date: February 4, 2016
    Inventors: Marek Cholewczynski, Jorgen Lefsrud
  • Patent number: 8256476
    Abstract: Apparatuses, systems, and methods for debarking logs are shown and described. The disclosed embodiments can be used for quickly and conveniently replacing contact surfaces, such as leading edges, of-swing arm assemblies (110). Some disclosed embodiments include a swing arm assembly having a replaceable insert (121) that defines a leading edge for engaging logs (130) moving along a processing line. The insert can be made of a wear resistant material for a prolonged life. A worn insert (121) can be replaced with another insert to ensure proper functioning of the debarker.
    Type: Grant
    Filed: October 16, 2007
    Date of Patent: September 4, 2012
    Assignee: Nicholson Manufacturing Ltd.
    Inventors: Marek Cholewczynski, Jorgen Lefsrud
  • Patent number: 7743805
    Abstract: Apparatuses, systems, and methods for debarking logs are shown and described. The disclosed embodiments can be used for quickly and conveniently replacing contact surfaces of swing arm assemblies. Some disclosed embodiments include a swing arm assembly having a debarker tip assembly with a plurality of replaceable cutting elements for engaging logs moving along a processing line. Side-by-side cutting elements can be made of a wear resistant material for a prolonged life. A worn cutting element can be replaced with another cutting element to ensure proper functioning of the debarker apparatus.
    Type: Grant
    Filed: June 13, 2007
    Date of Patent: June 29, 2010
    Assignee: Nicholson Manufacturing Ltd.
    Inventor: Jorgen Lefsrud
  • Publication number: 20100154932
    Abstract: Apparatuses, systems, and methods for debarking logs are shown and described. The disclosed embodiments can be used for quickly and conveniently replacing contact surfaces, such as leading edges, of-swing arm assemblies (110). Some disclosed embodiments include a swing arm assembly having a replaceable insert (121) that defines a leading edge for engaging logs (130) moving along a processing line. The insert can be made of a wear resistant material for a prolonged life. A worn insert (121) can be replaced with another insert to ensure proper functioning of the debarker.
    Type: Application
    Filed: October 16, 2007
    Publication date: June 24, 2010
    Inventors: Marek Cholewczynski, Jorgen Lefsrud
  • Publication number: 20080308186
    Abstract: Apparatuses, systems, and methods for debarking logs are shown and described. The disclosed embodiments can be used for quickly and conveniently replacing contact surfaces of swing arm assemblies. Some disclosed embodiments include a swing arm assembly having a debarker tip assembly with a plurality of replaceable cutting elements for engaging logs moving along a processing line. Side-by-side cutting elements can be made of a wear resistant material for a prolonged life. A worn cutting element can be replaced with another cutting element to ensure proper functioning of the debarker apparatus.
    Type: Application
    Filed: June 13, 2007
    Publication date: December 18, 2008
    Inventor: Jorgen Lefsrud
  • Patent number: 7350548
    Abstract: Apparatuses, systems, and methods for debarking logs are shown and described. The disclosed embodiments can be used for quickly and conveniently replacing contact surfaces, such as leading edges, of swing arm assemblies. Some disclosed embodiments include a swing arm assembly having a replaceable insert that defines a leading edge for engaging logs moving along a processing line. The insert can be made of a wear resistant material for a prolonged life. A worn insert can be replaced with another insert to ensure proper functioning of the debarker.
    Type: Grant
    Filed: October 16, 2006
    Date of Patent: April 1, 2008
    Assignee: Nicholson Manufacturing Ltd.
    Inventors: Marek Cholewczynski, Jorgen Lefsrud
  • Patent number: D739449
    Type: Grant
    Filed: June 20, 2014
    Date of Patent: September 22, 2015
    Assignee: Nicholson Manufacturing Ltd.
    Inventor: Jorgen Lefsrud