Patents by Inventor Abram Simeon Lance

Abram Simeon Lance 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).

  • Down-the-hole drill hammer having a roller ramp clutch
    Patent number: 10024103
    Abstract: A down-the-hole drill hammer is provided that includes a housing, a drill bit, a piston, a roller ramp clutch and a coupler. The DHD is configured to have a bit-piston-clutch-casing torque circuit which concurrently rotates the piston and drill bit. The drill bit is positioned proximate a distal end of the housing. The piston is configured to reciprocally move within the housing along an axial direction. The piston includes a helical spline and an axial spline on a surface of the piston. The roller ramp clutch circumscribes and engages the piston. The coupler circumscribes and engages the piston and drill bit.
    Type: Grant
    Filed: February 3, 2016
    Date of Patent: July 17, 2018
    Assignee: Center Rock Inc.
    Inventors: Leland H. Lyon, Abram Simeon Lance
  • DOWN-THE-HOLE DRILL HAMMER HAVING A ROLLER RAMP CLUTCH
    Publication number: 20160222732
    Abstract: A down-the-hole drill hammer is provided that includes a housing, a drill bit, a piston, a roller ramp clutch and a coupler. The DHD is configured to have a bit-piston-clutch-casing torque circuit which concurrently rotates the piston and drill bit. The drill bit is positioned proximate a distal end of the housing. The piston is configured to reciprocally move within the housing along an axial direction. The piston includes a helical spline and an axial spline on a surface of the piston. The roller ramp clutch circumscribes and engages the piston. The coupler circumscribes and engages the piston and drill bit.
    Type: Application
    Filed: February 3, 2016
    Publication date: August 4, 2016
    Applicant: Center Rock Inc.
    Inventors: Leland H. Lyon, Abram Simeon Lance