3487728

Information

• Patent Grant
• 3487728

• References
• Source

• Patent Number

  3,487,728

• Date Filed

  Not available

• Date Issued

  Tuesday, January 6, 1970
  55 years ago

• CPC

  • B23B51/0426 - with centering devices
  • B23B45/00 - Hand-held or like portable drilling machines
  • B23B45/06 - driven by man-power
  • B23Q5/32 - Feeding working-spindles
  • B23B2260/11 - Planetary drives
  • B23Q2705/165 - General aspects of feeding a boring spindle
  • Y10T408/356 - including plunging [single stroke] cutter

• US Classifications

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