Patents by Inventor Gregory J. Lavoie

Gregory J. Lavoie 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).

  • Broach for use in performing machining operations
    Patent number: 6558086
    Abstract: A broach comprises an elongate body having a plurality of longitudinally spaced pockets therein. A threaded hole is provided in each of the pockets. The pockets are adapted to receive cutting inserts. The cutting inserts have a hole that is adapted to align with a hole in the pockets. The aligning holes are adapted to receive insert screws. The insert screws are threadably received in the threaded hole in the pockets. When a cutting insert becomes worn or damaged, it may be removed from its pocket and replaced with another cutting insert. Hence, the broach need not be discarded because of a worn or damaged cutting insert.
    Type: Grant
    Filed: July 14, 2000
    Date of Patent: May 6, 2003
    Assignee: Kennametal Inc.
    Inventors: David A. Rigotti, Gregory J. Lavoie