3431678

Information

• Patent Grant
• 3431678

• References
• Source

• Patent Number

  3,431,678

• Date Filed

  Not available

• Date Issued

  Tuesday, March 11, 1969
  55 years ago

• CPC

  • E05F15/41 - Detection by monitoring transmitted force or torque Safety couplings with activation dependent upon torque or force
  • B66B13/08 - guided for horizontal movement
  • E05F15/635 - operated by push-pull mechanisms
  • F16H19/025 - comprising a friction shaft
  • E05F15/652 - operated by screw-and-nut mechanisms
  • E05Y2201/674 - Friction wheels
  • E05Y2800/00 - Details, accessories and auxiliary operations not otherwise provided for
  • E05Y2900/104 - for elevators
  • E05Y2900/51 - for railway cars or mass transit vehicles
  • Y10T74/19712 - Threadless

• US Classifications

  • 049 - Movable or removable closures
  • 048 - Gas: heating and illuminating
  • 074 - Machine element or mechanism
  • 187 - Elevator, industrial lift truck, or stationary lift for vehicle
  • 188 - Brakes