Patents by Inventor Thomas Oertley

Thomas Oertley 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: 11565761
    Abstract: A track joint assembly includes a first track shoe and a second track shoe, and a cartridge pin coupling together the first track shoe and the second track shoe. A sealed and lubricated track joint is formed by pin lugs on the first and the second track shoes, a cartridge pin, a pin retainer, a pin bore extending through pin lugs of the coupled-together track shoes, and a pin stop located in one of the pin lugs to inhibit displacement of the cartridge pin.
    Type: Grant
    Filed: February 6, 2019
    Date of Patent: January 31, 2023
    Assignee: Caterpillar Inc.
    Inventors: Benjamin Jones, Thomas Ellmann, Thomas Oertley
  • Publication number: 20200247489
    Abstract: A track joint assembly includes a first track shoe and a second track shoe, and a cartridge pin coupling together the first track shoe and the second track shoe. A sealed and lubricated track joint is formed by pin lugs on the first and the second track shoes, a cartridge pin, a pin retainer, a pin bore extending through pin lugs of the coupled-together track shoes, and a pin stop located in one of the pin lugs to inhibit displacement of the cartridge pin.
    Type: Application
    Filed: February 6, 2019
    Publication date: August 6, 2020
    Applicant: Caterpillar Inc.
    Inventors: Benjamin Jones, Thomas Ellmann, Thomas Oertley
  • Patent number: 8490270
    Abstract: A pin joint includes a pin having a longitudinal axis. A bushing for use with a lateral pin retention system may be positioned around the pin. The bushing includes an arc groove disposed radially about an outer surface of the bushing. A retaining plug for use with the lateral pin retention system includes an engagement head shaped to engage the arc groove and may be attachable to a linkage of a machine.
    Type: Grant
    Filed: November 8, 2012
    Date of Patent: July 23, 2013
    Assignee: Caterpillar Inc.
    Inventors: Thomas Oertley, Michael T. James
  • Patent number: 8333528
    Abstract: A pin joint includes a pin having a longitudinal axis. A bushing for use with a lateral pin retention system may be positioned around the pin. The bushing includes an arc groove disposed radially about an outer surface of the bushing. A retaining plug for use with the lateral pin retention system includes an engagement head shaped to engage the arc groove and may be attachable to a linkage of a machine.
    Type: Grant
    Filed: February 16, 2010
    Date of Patent: December 18, 2012
    Assignee: Caterpillar Inc.
    Inventors: Thomas Oertley, Michael T. James
  • Publication number: 20110044752
    Abstract: A pin joint includes a pin having a longitudinal axis. A bushing for use with a lateral pin retention system may be positioned around the pin. The bushing includes an arc groove disposed radially about an outer surface of the bushing. A retaining plug for use with the lateral pin retention system includes an engagement head shaped to engage the arc groove and may be attachable to a linkage of a machine.
    Type: Application
    Filed: February 16, 2010
    Publication date: February 24, 2011
    Applicant: CATERPILLAR INC.
    Inventors: Thomas Oertley, Michael T. James
  • Publication number: 20060181149
    Abstract: A track-type work machine is provided, including a roller frame and a track extending about the roller frame. A track roller is mounted along the roller frame and rotatable against the track. The track roller is rotatably supported by a bearing that includes a shaft extending in the track roller and at least one sleeve rotatable about the shaft. At least one of the sleeve and the track roller include a load transmitting crown. A method is further provided of reducing edge loading of a track roller bearing, by transmitting selected loads on the bearing toward a center thereof at least in part by crowning a rotatable sleeve of the bearing.
    Type: Application
    Filed: February 11, 2005
    Publication date: August 17, 2006
    Inventor: Thomas Oertley
  • Publication number: 20060158034
    Abstract: An apparatus and method for reducing vibrational effects of track chain assembly catenary hang is disclosed. A work machine includes a pair of track roller assemblies one positioned on each side of the work machine. The vibration reducing apparatus and method includes repositioning undercarriage components to vary the catenary hang from one side of the work machine to the other.
    Type: Application
    Filed: January 10, 2006
    Publication date: July 20, 2006
    Inventors: Michael Standish, James Hollister, Margaret Lamb, Roy Maguire, Thomas Oertley, Roger Recker, David Schaefer