Patents by Inventor David John Rix

David John Rix 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).

  • RIPPER ASSEMBLY WITH DIRECT LOAD PATH
    Publication number: 20140166322
    Abstract: A work vehicle, such as a motor grader, comprises a frame, a ripper, a tie bar attached to the frame, and a four-bar linkage attached to and disposed between the ripper and the tie bar for transferring a load between the ripper and the frame via the four-bar linkage and the tie bar. The four-bar linkage and the tie bar are co-planar with respect to a plane within which the four-bar linkage is movable relative to the frame. A toolbar for the ripper is also disclosed.
    Type: Application
    Filed: February 21, 2014
    Publication date: June 19, 2014
    Inventors: Travis Alan Shekleton, LeRoy Ernest Kraske, Jefferson Scott Reynolds, David John Rix
  • Ripper assembly with direct load path
    Patent number: 8752643
    Abstract: A work vehicle, such as a motor grader, comprises a frame, a ripper, a tie bar attached to the frame, and a four-bar linkage attached to and disposed between the ripper and the tie bar for transferring a load between the ripper and the frame via the four-bar linkage and the tie bar. The four-bar linkage and the tie bar are co-planar with respect to a plane within which the four-bar linkage is movable relative to the frame. A toolbar for the ripper is also disclosed.
    Type: Grant
    Filed: April 5, 2007
    Date of Patent: June 17, 2014
    Assignee: Deere & Company
    Inventors: Travis Alan Shekleton, Leroy Ernest Kraske, Jefferson Scott Reynolds, David John Rix
  • Ripper Assembly With Direct Load Path
    Publication number: 20080245540
    Abstract: A work vehicle, such as a motor grader, comprises a frame, a ripper, a tie bar attached to the frame, and a four-bar linkage attached to and disposed between the ripper and the tie bar for transferring a load between the ripper and the frame via the four-bar linkage and the tie bar. The four-bar linkage and the tie bar are co-planar with respect to a plane within which the four-bar linkage is movable relative to the frame. A toolbar for the ripper is also disclosed.
    Type: Application
    Filed: April 5, 2007
    Publication date: October 9, 2008
    Inventors: Travis Alan Shekleton, Leroy Ernest Kraske, Jefferson Scott Reynolds, David John Rix