Patents by Inventor Raymond Lukaszewicz

Raymond Lukaszewicz 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).

  • Holder assemblies for sensitized cutter tools on mining machines
    Patent number: 4368919
    Abstract: A holder assembly for a sensitized cutter tool on a cutter head of a mining machine, comprises an outer component mountable on the cutter head and defining a recess and an inner component engageable within the recess by movement in at least one direction, the inner component providing holder means for the sensitized cutter tool, the outer component defining an abutment face within the recess for engagement by a corresponding abutment face defined by the inner component, the abutment faces being inclined to said at least one direction of movement.
    Type: Grant
    Filed: February 10, 1981
    Date of Patent: January 18, 1983
    Assignee: Coal Industry (Patents) Limited
    Inventors: Raymond A. Whittaker, Raymond Lukaszewicz, John A. Ford
  • Holder assemblies for sensitized cutter tools on mining machines
    Patent number: 4367899
    Abstract: A holder assembly for a sensitized cutter tool mountable on a cutter head of a mining machine comprises a holder adapted to hold the tool. The holder is pivotal supported abutting a mounting sensor means provided to sense cutting reaction on the tool, the cutting reaction tending to urge the holder to pivot about the mounting.
    Type: Grant
    Filed: January 9, 1981
    Date of Patent: January 11, 1983
    Assignee: Coal Industry (Patents) Limited
    Inventors: Raymond A. Whittaker, Raymond Lukaszewicz, John A. Ford