2891424

Information

• Patent Grant
• 2891424

• References
• Source

• Patent Number

  2,891,424

• Date Filed

  Not available

• Date Issued

  Tuesday, June 23, 1959
  65 years ago

• CPC

  • B23Q17/09 - for indicating or measuring cutting pressure or for determining cutting-tool condition
  • B23B41/02 - for boring deep holes Trepanning
  • B23Q15/00 - Automatic control or regulation of feed movement, cutting velocity or position of tool or work
  • B23Q16/00 - Equipment for precise positioning of tool or work into particular locations not otherwise provided for
  • B23B2260/0485 - Depth gauges
  • Y10S408/705 - Drilling deep holes
  • Y10T408/21 - with signal, indicator, illuminator or optical means
  • Y10T408/6757 - Fluid means

• US Classifications

  • 173 - Tool driving or impacting
  • 116 - Signals and indicators
  • 408 - Cutting by use of rotating axially moving tool