2748665

Information

• Patent Grant
• 2748665

• References
• Source

• Patent Number

  2,748,665

• Date Filed

  Not available

• Date Issued

  Tuesday, June 5, 1956
  68 years ago

• CPC

  • 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
  • B23Q5/28 - Electric drives
  • B23Q2705/145 - for milling machines
  • G05B2219/35436 - Means, manual input, input reference, hand wheel
  • G05B2219/41069 - With cam
  • G05B2219/42199 - Fine position with gauge, coarse with limit switch, transducer
  • G05B2219/43194 - Speed steps, switch over as function of position
  • Y10T74/131 - Automatic
  • Y10T74/18696 - including means to selectively transmit power [e.g., clutch, etc.]
  • Y10T74/19242 - Combined gear and clutch
  • Y10T82/2574 - Stop [e.g., carriage, tool, work, etc.]
  • Y10T409/304984 - Adapted to electrically stimulate control

• US Classifications

  • 409 - Gear cutting, milling, or planing
  • 074 - Machine element or mechanism
  • 082 - Turning
  • 116 - Signals and indicators
  • 192 - Clutches and power-stop control
  • 234 - Selective cutting
  • 235 - Registers
  • 318 - Electricity: motive power systems
  • 346 - Recorders
  • 377 - Electrical pulse counters, pulse dividers, or shift registers: circuits and systems