3497780

Information

• Patent Grant
• 3497780

• References
• Source

• Patent Number

  3,497,780

• Date Filed

  Not available

• Date Issued

  Tuesday, February 24, 1970
  54 years ago

• CPC

  • D05B21/00 - Sewing machines with devices for automatically controlling movement of work-carrier relative to stitch-forming mechanism in order to obtain particular configuration of seam
  • G05B19/40 - Open loop systems
  • G05B19/4144 - characterised by using multiplexing for control system
  • G05B2219/33129 - Group spindles, axis into motion groups, nc channel structure
  • G05B2219/33263 - Conversion, transformation of coordinates, cartesian or polar
  • G05B2219/34244 - Multiplex for control only
  • G05B2219/35354 - Polar coordinates, turntable
  • G05B2219/42231 - Detent, stop lock, current through motor in stop, locked, hold, blocked position
  • G05B2219/49242 - 4-D

• US Classifications

  • 318 - Electricity: motive power systems
  • 346 - Recorders