2934978

Information

• Patent Grant
• 2934978

• References
• Source

• Patent Number

  2,934,978

• Date Filed

  Not available

• Date Issued

  Tuesday, May 3, 1960
  65 years ago

• CPC

  • B23Q15/26 - of angular position
  • G05B19/351 - the positional error is used to control continuously the servomotor according to its magnitude
  • G05B2219/42213 - Position overshoot, axis still moves after stop
  • G05B2219/49134 - Clamp, keep positioned slide, workpiece stationary during machining
  • G05B2219/49201 - Variable load, slide friction, irregular machine guides
  • G05B2219/50047 - Positioning, indexing
  • Y10T74/131 - Automatic
  • Y10T74/1447 - Velocity control
  • Y10T74/1465 - with axially acting friction brake
  • Y10T74/1476 - with means to axially shift shaft
  • Y10T408/175 - to control relative positioning of Tool and work
  • Y10T408/5614 - Angularly adjustable surface
  • Y10T409/308792 - Indexable

• US Classifications

  • 408 - Cutting by use of rotating axially moving tool
  • 074 - Machine element or mechanism
  • 269 - Work holders
  • 409 - Gear cutting, milling, or planing