3857051

Information

• Patent Grant
• 3857051

• References
• Source

• Patent Number

  3,857,051

• Date Filed

  Not available

• Date Issued

  Tuesday, December 24, 1974
  50 years ago

• CPC

  • G05B19/351 - the positional error is used to control continuously the servomotor according to its magnitude
  • B23Q1/522 - which is perpendicular to the working surface
  • B23Q16/00 - Equipment for precise positioning of tool or work into particular locations not otherwise provided for
  • G01D5/2066 - by movement of a single coil with respect to a single other coil
  • H02K5/16 - Means for supporting bearings
  • G05B2219/45248 - Turning
  • G05B2219/49271 - Air bearing slide, hydraulic, electromagnetic bearing

• US Classifications

  • 310 - Electrical generator or motor structure
  • 318 - Electricity: motive power systems