2839968

Information

• Patent Grant
• 2839968

• References
• Source

• Patent Number

  2,839,968

• Date Filed

  Not available

• Date Issued

  Tuesday, June 24, 1958
  66 years ago

• CPC

  • B23F23/1243 - Hob holders
  • B23F5/22 - the tool being a hob for making spur gears
  • Y10T82/2568 - Center
  • Y10T409/102067 - including means to shift hob between cutting passes
  • Y10T409/102862 - Infeed of cutter

• US Classifications

  • 409 - Gear cutting, milling, or planing
  • 082 - Turning