2878873

Information

• Patent Grant
• 2878873

• References
• Source

• Patent Number

  2,878,873

• Date Filed

  Not available

• Date Issued

  Tuesday, March 24, 1959
  65 years ago

• CPC

  • B21D28/04 - Centering the work Positioning the tools
  • F15B21/08 - Servomotor systems incorporating electrically operated control means
  • G05B19/238 - the positional error is only used to control speed in steps according to distance left, or to give a stop signal when error reaches zero
  • G05B2219/36366 - Data, read in, distribution
  • G05B2219/36368 - Tape reader
  • G05B2219/43194 - Speed steps, switch over as function of position
  • Y10T82/142 - with workpiece gauge
  • Y10T83/166 - Removable element carries program
  • Y10T83/6569 - With means to stop work conveyor

• US Classifications

  • 414 - Material or article handling
  • 082 - Turning
  • 083 - Cutting
  • 188 - Brakes
  • 250 - Radiant energy