Patents by Inventor Randy M. Perkowski

Randy M. Perkowski 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).

  • Tunable toolholder
    Patent number: 6619165
    Abstract: A tunable toolholder with a dynamic vibration absorber wherein an absorber mass is compressed between two resilient supports utilizing at least one longitudinally movable pressure plate to dynamically tune the toolholder. The pressure plate is displaced by an adjustment screw extending through the front face of a toolholder head removably mounted at one end of the toolholder.
    Type: Grant
    Filed: February 1, 2002
    Date of Patent: September 16, 2003
    Assignee: Kennametal Inc.
    Inventor: Randy M. Perkowski
  • Tunable Toolholder
    Publication number: 20030147707
    Abstract: A tunable toolholder with a dynamic vibration absorber wherein an absorber mass is compressed between two resilient supports utilizing at least one longitudinally movable pressure plate to dynamically tune the toolholder. The pressure plate is displaced by an adjustment screw extending through the front face of a toolholder head removably mounted at one end of the toolholder.
    Type: Application
    Filed: February 1, 2002
    Publication date: August 7, 2003
    Inventor: Randy M. Perkowski