2999938

Information

• Patent Grant
• 2999938

• References
• Source

• Patent Number

  2,999,938

• Date Filed

  Not available

• Date Issued

  Tuesday, September 12, 1961
  63 years ago

• CPC

  • B23Q35/128 - Sensing by using optical means
  • G05D1/0244 - using reflecting strips
  • G05B2219/4708 - Command codes, marks along line to control operation, velocity
  • G05B2219/4712 - Using photocell sensible to different colours
  • G05B2219/4714 - Use of help paths to go to different workpiece paths to be followed
  • Y10T409/30168 - with means for operation without manual intervention

• US Classifications

  • 250 - Radiant energy
  • 409 - Gear cutting, milling, or planing