2137146

Information

• Patent Grant
• 2137146

• References
• Source

• Patent Number

  2,137,146

• Date Filed

  Not available

• Date Issued

  Tuesday, November 15, 1938
  86 years ago

• CPC

  • B21H5/022 - Finishing gear teeth with cylindrical outline
  • B23F19/06 - Shaving the faces of gear teeth
  • B23F21/288 - the cutting edges on consecutive teeth being helically arranged
  • Y10T409/100477 - and burnishing simultaneously
  • Y10T409/10477 - by relative axial movement between synchronously indexing or rotating work and cutter

• US Classifications

  • 409 - Gear cutting, milling, or planing