Patents by Inventor Chris Zach

Chris Zach 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).

  • Control arrangement for motor grader blade
    Patent number: 8291999
    Abstract: Mounting arrangement includes a drawbar assembly universally coupled to a longitudinally extending front frame portion of a machine proximal to a front wheel and a distance rearward from the wheel. An implement mounting bracket pivotably coupled to the assembly defines an articulation axis. First and second hydraulic actuators advance respective power links coupled to the mounting bracket to rotate the mounting bracket about the articulation axis. Respective idler links limit the movement of the actuators and power links.
    Type: Grant
    Filed: December 30, 2008
    Date of Patent: October 23, 2012
    Assignee: Caterpillar Inc.
    Inventors: Brian Howson, Thomas E. Oertley, Christopher A. Junck, Chris Zach
  • Control arrangement for motor grader blade
    Publication number: 20100163259
    Abstract: Mounting arrangement includes a drawbar assembly universally coupled to a longitudinally extending front frame portion of a machine proximal to a front wheel and a distance rearward from the wheel. An implement mounting bracket pivotably coupled to the assembly defines an articulation axis. First and second hydraulic actuators advance respective power links coupled to the mounting bracket to rotate the mounting bracket about the articulation axis. Respective idler links limit the movement of the actuators and power links.
    Type: Application
    Filed: December 30, 2008
    Publication date: July 1, 2010
    Applicant: Caterpillar Inc.
    Inventors: Brian Howson, Thomas E. Oertley, Christopher A. Junck, Chris Zach