Patents by Inventor Joseph Bradfield

Joseph Bradfield 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).

  • Gear cutter blade
    Patent number: 6536999
    Abstract: A cutter blade for use with a face hob type cutter for producing the teeth of spiral bevel and hypoid gear members by a continuous index, face hobbing process comprises a cutter blade shank having a cutting member provided at one end thereof. The cutting member includes a tooth side cutting edge having a given axial pressure angle, and a tooth topland cutting edge. The tooth topland cutting edge of the cutting member simultaneously forms a topland surface of the tooth of the gear member as the tooth is cut by the tooth side cutting edge of the cutting member.
    Type: Grant
    Filed: September 12, 2001
    Date of Patent: March 25, 2003
    Assignee: Torque-Traction Technologies, Inc.
    Inventors: Joseph Bradfield, Robert Sullivan
  • GEAR CUTTER BLADE
    Publication number: 20030049084
    Abstract: A cutter blade for use with a face hob type cutter for producing the teeth of spiral bevel and hypoid gear members by a continuous index, face hobbing process comprises a cutter blade shank having a cutting member provided at one end thereof. The cutting member includes a tooth side cutting edge having a given axial pressure angle, and a tooth topland cutting edge. The tooth topland cutting edge of the cutting member simultaneously forms a topland surface of the tooth of the gear member as the tooth is cut by the tooth side cutting edge of the cutting member.
    Type: Application
    Filed: September 12, 2001
    Publication date: March 13, 2003
    Inventors: Joseph Bradfield, Robert Sullivan