2920507

Information

• Patent Grant
• 2920507

• References
• Source

• Patent Number

  2,920,507

• Date Filed

  Not available

• Date Issued

  Tuesday, January 12, 1960
  64 years ago

• CPC

  • B23B39/02 - Boring machines Combined horizontal boring and milling machines
  • B23Q5/32 - Feeding working-spindles
  • B23Q2705/165 - General aspects of feeding a boring spindle
  • Y10T29/5157 - Sliding tool holder
  • Y10T29/5163 - Rack-and-pinion operated
  • Y10T29/5164 - Screw operated
  • Y10T82/25 - Lathe
  • Y10T408/6774 - including plural speed drive

• US Classifications

  • 173 - Tool driving or impacting
  • 029 - Metal working
  • 082 - Turning
  • 408 - Cutting by use of rotating axially moving tool