Patents by Inventor Gary J. Cotter

Gary J. Cotter 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).

  • Rotary mill having releasable wedge-lock tool insert holding system
    Patent number: 6523768
    Abstract: A rotor assembly for comminuting scrap wood and other like material has a rotor drum including a drive shaft and at least one radially projecting tool supporting member with a tool assembly receiving pocket. A releasable tool is locked in the pocket and comprises a shank, with an outer cutting head thereon, received in the pocket to bear upon the front wall of the pocket. The shank has an inclined front wall matching the inclined front wall of the pocket. A wedge mating member has a more inclined rear surface bearing upon the inclined rear wall of the pocket and a front wall bearing upon the tool shank. The wedge has a threaded opening for a threaded abutment member which is manipulatible to draw the wedge member outwardly to releasably clamp the tool shank.
    Type: Grant
    Filed: March 20, 2001
    Date of Patent: February 25, 2003
    Assignee: Morbark, Inc.
    Inventors: Jeffrey M. Recker, Gary J. Cotter
  • Rotary mill having releasable wedge-lock tool insert holding system
    Publication number: 20010045478
    Abstract: A rotor assembly for comminuting scrap wood and other like material has a rotor drum including a drive shaft and at least one radially projecting tool supporting member with a tool assembly receiving pocket. A releasable tool is locked in the pocket and comprises a shank, with an outer cutting head thereon, received in the pocket to bear upon the front wall of the pocket. The shank has an inclined front wall matching the inclined front wall of the pocket. A wedge mating member has a more inclined rear surface bearing upon the inclined rear wall of the pocket and a front wall bearing upon the tool shank. The wedge has a threaded opening for a threaded abutment member which is manipulatible to draw the wedge member outwardly to releasably clamp the tool shank.
    Type: Application
    Filed: March 20, 2001
    Publication date: November 29, 2001
    Applicant: Morbark, Inc.
    Inventors: Jeffrey M. Recker, Gary J. Cotter