3920971

Information

• Patent Grant
• 3920971

• References
• Source

• Patent Number

  3,920,971

• Date Filed

  Not available

• Date Issued

  Tuesday, November 18, 1975
  49 years ago

• CPC

  • B23Q17/2225 - with the toolholder as reference-element
  • G01B7/008 - using coordinate measuring machines
  • G05B19/4015 - going to a reference at the beginning of machine cycle
  • G05B2219/37383 - Tool length
  • G05B2219/37539 - Read values twice, for correctness
  • G05B2219/50008 - Multiple, multi tool head, parallel machining
  • G05B2219/50031 - Zero setting, go to reference with gauge
  • G05B2219/50381 - Load, unload workpiece while machining other one, dual table machine

• US Classifications

  • 702 - Data processing: measuring, calibrating, or testing
  • 033 - Geometrical instruments