Patents by Inventor Jerry F. Cardea

Jerry F. Cardea 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).

  • Patent number: 4121808
    Abstract: A drilling attachment for a numerically controlled flame cutting apparatus of the type having a plurality of flame cutting assemblies mounted in spaced relation in a plane for controlled lateral movement along a horizontally translationally movable beam for cutting intricate patterns from a sheet metal workpiece, which comprises a mounting member adapted to be secured to the beam for controlled lateral movement therealong in a manner similar to the flame cutting assemblies, a support plate carried by the mounting member and vertically movable relative thereto, a motor for moving the support plate vertically between a drilling position near the surface of the workpiece and a storage position remote from the workpiece, at least one drill motor secured to the support plate for movement therewith and for rotatably driving a cutting head to drill a hole in the workpiece, at least one drill feed rate control mechanism associated with the drill motor for controlling advancement of the cutting head into the workpiece
    Type: Grant
    Filed: July 25, 1977
    Date of Patent: October 24, 1978
    Assignee: Terrell Tool and Die Corporation
    Inventor: Jerry F. Cardea