3604998

Information

• Patent Grant
• 3604998

• References
• Source

• Patent Number

  3,604,998

• Date Filed

  Not available

• Date Issued

  Tuesday, September 14, 1971
  53 years ago

• CPC

  • G05B19/371 - the positional error is used to control continuously the servomotor according to its magnitude
  • G05B19/186 - Generation of screw- or gearlike surfaces
  • G05B2219/42118 - Breaking of control loop, closing open control loop
  • G05B2219/45214 - Gear cutting
  • G05B2219/45216 - Tapping
  • G05B2219/49376 - Select two machining types, milling or turning, complete machining with one tool

• US Classifications

  • 318 - Electricity: motive power systems