3420347

Information

• Patent Grant
• 3420347

• References
• Source

• Patent Number

  3,420,347

• Date Filed

  Not available

• Date Issued

  Tuesday, January 7, 1969
  56 years ago

• CPC

  • G05B19/232 - with speed feedback only
  • G05B2219/41266 - Coupling, clutch and brake unit
  • G05B2219/43006 - Acceleration, deceleration control
  • G05B2219/43179 - Speed changes gradualy from constant value to zero
  • G05B2219/43198 - Coupling and step motor
  • G05B2219/49134 - Clamp, keep positioned slide, workpiece stationary during machining
  • Y10T408/08 - with means to regulate operation by use of templet, tape, card, or other replaceable information supply
  • Y10T409/303248 - with provision for circumferential relative movement of cutter and work

• US Classifications

  • 192 - Clutches and power-stop control
  • 408 - Cutting by use of rotating axially moving tool
  • 409 - Gear cutting, milling, or planing