2964296

Information

• Patent Grant
• 2964296

• References
• Source

• Patent Number

  2,964,296

• Date Filed

  Not available

• Date Issued

  Tuesday, December 13, 1960
  64 years ago

• CPC

  • E21B19/08 - Apparatus for feeding the rods or cables Apparatus for increasing or decreasing the pressure on the drilling tool Apparatus for counterbalancing the weight of the rods
  • E21B19/083 - Cam, rack or like feed mechanisms
  • Y10T74/177 - Rack and pinion adjusting means
  • Y10T74/18272 - Planetary gearing and slide

• US Classifications

  • 074 - Machine element or mechanism
  • 173 - Tool driving or impacting
  • 175 - Boring or penetrating the earth
  • 475 - Planetary gear transmission systems or components