3463246

Information

• Patent Grant
• 3463246

• References
• Source

• Patent Number

  3,463,246

• Date Filed

  Not available

• Date Issued

  Tuesday, August 26, 1969
  55 years ago

• CPC

  • B25D11/125 - with a fluid cushion between the crank drive and the striking body
  • B25D17/088 - with radial movable locking elements co-operating with bit shafts specially adapted therefor
  • E21B6/06 - the rotation being intermittent, e.g.obtained by ratchet device

• US Classifications

  • 173 - Tool driving or impacting