2231866

Information

• Patent Grant
• 2231866

• References
• Source

• Patent Number

  2,231,866

• Date Filed

  Not available

• Date Issued

  Tuesday, February 18, 1941
  83 years ago

• CPC

  • B23F5/22 - the tool being a hob for making spur gears
  • Y10T409/102226 - with control means energized in response to activator stimulated by condition sensor
  • Y10T409/102703 - to infeed along axis of work rotation

• US Classifications

  • 409 - Gear cutting, milling, or planing