2150831

Information

• Patent Grant
• 2150831

• References
• Source

• Patent Number

  2,150,831

• Date Filed

  Not available

• Date Issued

  Tuesday, March 14, 1939
  85 years ago

• CPC

  • B66F3/14 - actuated through pawl-and-ratchet mechanisms
  • B66F3/20 - actuated through multiple or change-speed gearings
  • Y10T74/1527 - Screw and nut devices
  • Y10T74/20636 - Detents

• US Classifications

  • 254 - Implements or apparatus for applying pushing or pulling force
  • 074 - Machine element or mechanism