2882864

Information

• Patent Grant
• 2882864

• References
• Source

• Patent Number

  2,882,864

• Date Filed

  Not available

• Date Issued

  Tuesday, April 21, 1959
  65 years ago

• CPC

  • G05B19/351 - the positional error is used to control continuously the servomotor according to its magnitude
  • B23Q5/28 - Electric drives
  • B23Q2705/145 - for milling machines
  • G05B2219/37114 - Precision screw
  • Y10T409/300896 - with sensing of numerical information and regulation without mechanical connection between sensing means and regulated means [i.e., numerical control]

• US Classifications

  • 091 - Motors: expansible chamber type
  • 409 - Gear cutting, milling, or planing