Patents by Inventor Charles H. Carda

Charles H. Carda 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).

  • Three point hitch draft sensing system
    Patent number: 9282690
    Abstract: A draft sensing mechanism for a three point hitch includes a hitch frame attached to a frame of a vehicle. The hitch frame includes left and right link supports for coupling to left and right draft links and left and right draft bars. Each draft bar has a first portion attached to a corresponding one of the link supports, and a second portion positioned rearwardly and inwardly with respect to its first portion. Draft forces applied by the draft links to the link supports are transmitted to the second portions of the draft bars. A linkage unit sums the draft forces from the draft bars and includes a draft force transducer which generates a draft force signal in response to deflection of the draft bars.
    Type: Grant
    Filed: December 19, 2013
    Date of Patent: March 15, 2016
    Assignee: DEERE & COMPANY
    Inventors: Andrew M. Tilkes, Mark S. Earley, Edwin R. Kreis, Charles H. Carda, Peter A. Kosmicki
  • THREE POINT HITCH DRAFT SENSING SYSTEM
    Publication number: 20150173292
    Abstract: A draft sensing mechanism for a three point hitch includes a hitch frame attached to a frame of a vehicle. The hitch frame includes left and right link supports for coupling to left and right draft links and left and right draft bars. Each draft bar has a first portion attached to a corresponding one of the link supports, and a second portion positioned rearwardly and inwardly with respect to its first portion. Draft forces applied by the draft links to the link supports are transmitted to the second portions of the draft bars. A linkage unit sums the draft forces from the draft bars and includes a draft force transducer which generates a draft force signal in response to deflection of the draft bars.
    Type: Application
    Filed: December 19, 2013
    Publication date: June 25, 2015
    Applicant: Deere & Company
    Inventors: ANDREW M. TILKES, Mark S. Earley, Edwin R. Kreis, Charles H. Carda, Peter A. Kosmicki