2498992

Information

• Patent Grant
• 2498992

• References
• Source

• Patent Number

  2,498,992

• Date Filed

  Not available

• Date Issued

  Tuesday, February 28, 1950
  75 years ago

• CPC

  • F16D55/39 - by means of an intermediate leverage
  • B64D3/00 - Aircraft adaptations to facilitate towing or being towed
  • B66D5/00 - Braking or detent devices characterised by application to lifting or hoisting gear
  • E21B31/06 - using magnetic means
  • B66D2700/03 - Mechanisms with latches or braking devices in general for capstans, hoists or similar devices as well as braking devices actuated electrically or by fluid under pressure
  • Y10T74/18584 - Shaft shorter than nut
  • Y10T74/19735 - Nut disengageable from screw
  • Y10T74/19805 - Less than 360 degrees of contact between nut and screw

• US Classifications

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