Patents by Inventor Kenneth S. Kupcak

Kenneth S. Kupcak 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: 4226550
    Abstract: Reinforced plastic yoke includes a collar portion and longitudinally extending leg portions, with a metal strip reinforcing insert having a pair of longitudinally extending legs and a web embedded respectively in the legs and collar of the yoke. The legs of the metal reinforcing strip at their distal ends each include openings concentric with clevis pin openings in the legs of the yoke and the web includes an opening which accommodates a longitudinally extending bore in the collar portion. Additionally, an internally threaded metal insert fitting may be provided in the yoke collar portion extending axially through the web opening in the metal strip reinforcing insert, with mechanical locks to prevent relative movement between the fitting, collar portion, and metal insert.
    Type: Grant
    Filed: September 18, 1978
    Date of Patent: October 7, 1980
    Assignee: Edward W. Daniel Company
    Inventors: Kenneth S. Kupcak, Rudolph F. Piecuch