3021539

Information

• Patent Grant
• 3021539

• References
• Source

• Patent Number

  3,021,539

• Date Filed

  Not available

• Date Issued

  Tuesday, February 20, 1962
  63 years ago

• CPC

  • B23Q5/32 - Feeding working-spindles
  • B23G1/16 - in holes of workpieces by taps
  • B23Q5/52 - Limiting feed movement
  • B23Q2705/165 - General aspects of feeding a boring spindle
  • B23Q2705/22 - Limiting feed movement of a boring spindle
  • Y10T408/165 - to control Tool rotation
  • Y10T408/6779 - Rack and pinion

• US Classifications

  • 408 - Cutting by use of rotating axially moving tool