Patents by Inventor Roger L. Zitnay

Roger L. Zitnay 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).

  • Notch-forming extraction tool for helical inserts
    Patent number: 6588305
    Abstract: A notch-forming extraction tool for helically coiled wire inserts according to the invention includes a mandrel with a second end having a tooth adapted to form and be received by a notch of the insert. A first end opposite the second end is received in a bushing of a handle portion for connecting the mandrel to the handle. Left-hand rotation of the handle contracts the insert about the second end of the mandrel to facilitate removal of the insert.
    Type: Grant
    Filed: May 10, 2001
    Date of Patent: July 8, 2003
    Assignee: Newfrey LLC
    Inventors: William Giannakakos, Roger L. Zitnay
  • Notch-forming extraction tool for helical inserts
    Publication number: 20020166420
    Abstract: A notch-forming extraction tool for helically coiled wire inserts according to the invention includes a mandrel with a second end having a tooth adapted to form and be received by a notch of the insert. A first end opposite the second end is received in a bushing of a handle portion for connecting the mandrel to the handle. Left-hand rotation of the handle contracts the insert about the second end of the mandrel to facilitate removal of the insert.
    Type: Application
    Filed: May 10, 2001
    Publication date: November 14, 2002
    Inventors: William Giannakakos, Roger L. Zitnay
  • Extraction and adjustment tool for tangless inserts
    Patent number: 6421899
    Abstract: An extraction and adjustment tool for tangless helically coiled wire inserts according to the invention includes a mandrel with a leading portion having a tooth for reception in a recess of the insert for left-hand rotation of the insert. An end opposite the leading portion is received in a bushing of a handle portion for connecting the mandrel to the handle. Left-hand rotation of the handle contracts the insert about the leading portion of the mandrel to facilitate adjustment or removal of the insert.
    Type: Grant
    Filed: June 15, 2000
    Date of Patent: July 23, 2002
    Assignee: Emhart LLC
    Inventor: Roger L. Zitnay