Patents by Inventor Harvey L. Patterson

Harvey L. Patterson 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).

  • Indexable cutting tool
    Patent number: 7841811
    Abstract: A cutting tool is in the form of a holder and a cutting insert that is quickly and easily indexable in one of a plurality of precision cutting positions within the holder. The holder has a bore therein and a stop in the bore. The cutting insert has a shank portion that is insertable into the bore. The cutting insert, when inserted into bore, mates with the stop to locate the cutting insert in one of a plurality of positions. Alternatively, the stop can be supported by the cutting insert and mate with the holder.
    Type: Grant
    Filed: March 25, 2005
    Date of Patent: November 30, 2010
    Assignee: Kennametal Inc.
    Inventors: Rene Thiele, Harvey L. Patterson
  • Indexable cutting tool
    Patent number: 6929426
    Abstract: A cutting tool is in the form of a holder and a cutting insert that is quickly and easily indexable in one of a plurality of precision cutting positions within the holder. The holder has a bore therein and a stop in the bore. The cutting insert has a shank portion that is insertable into the bore. The cutting insert, when inserted into bore, mates with the stop to locate the cutting insert in one of a plurality of positions. Alternatively, the stop can be supported by the cutting insert and mate with the holder.
    Type: Grant
    Filed: February 19, 2003
    Date of Patent: August 16, 2005
    Assignee: Kennametal Inc.
    Inventors: Rene Thiele, Harvey L. Patterson
  • Indexable cutting tool
    Publication number: 20040161309
    Abstract: A cutting tool is in the form of a holder and a cutting insert that is quickly and easily indexable in one of a plurality of precision cutting positions within the holder. The holder has a bore therein and a stop in the bore. The cutting insert has a shank portion that is insertable into the bore. The cutting insert, when inserted into bore, mates with the stop to locate the cutting insert in one of a plurality of positions. Alternatively, the stop can be supported by the cutting insert and mate with the holder.
    Type: Application
    Filed: February 19, 2003
    Publication date: August 19, 2004
    Inventors: Rene Thiele, Harvey L. Patterson
  • Boring bar holder and insert with precision placement insert locator means
    Patent number: 5288182
    Abstract: A boring bar holder and removable insert member each equipped with cooperating precision locator means wherein any replacement of the insert within the boring bar holder will index the new insert with precision to the location of the previous insert. There are biasing means associated with the boring bar and the insert to wedgingly move the insert rearwardly to bias against a bore in the boring bar and to index the position of the cutting head of the insert in exact relationship to a previous insert placement.
    Type: Grant
    Filed: January 25, 1993
    Date of Patent: February 22, 1994
    Assignee: Circle Machine Company
    Inventors: Harvey L. Patterson, Efren D. Ofalla, John G. Harrel
  • Carbide shank boring bar with steel head
    Patent number: 5098233
    Abstract: A carbide shank boring bar having a coolant/lubricant bore running axially therethrough fitted with a steel head, said head being machinable to produce a pocket to receive a metal cutter insert wherein said boring bar shank and said steel head have a diameter less than one-half inch and said head is brazed without flux to said boring bar and no flux residue remains in said coolant/lubricant bore upon completion of said brazing. The method of achieving the fusion includes using an atmospheric vacuum chamber to conduct the fusion.
    Type: Grant
    Filed: October 29, 1990
    Date of Patent: March 24, 1992
    Assignee: Circle Machine Company
    Inventors: Harvey L. Patterson, Reginald Quintana