3557967

Information

• Patent Grant
• 3557967

• References
• Source

• Patent Number

  3,557,967

• Date Filed

  Not available

• Date Issued

  Tuesday, January 26, 1971
  54 years ago

• CPC

  • B66C23/68 - foldable or otherwise adjustable in configuration
  • B66C3/20 - mounted on, or guided by, jibs
  • B66C23/36 - mounted on road or rail vehicles Manually-movable jib-cranes for use in workshops Floating cranes
  • B66C23/72 - Counterweights or supports for balancing lifting couples
  • B66C2700/0357 - Cranes on road or off-road vehicles, on trailers or towed vehicles Cranes on wheels or crane-trucks
  • B66C2700/0392 - Movement of the crane arm Coupling of the crane arm with the counterweights Safety devices for the movement of the arm

• US Classifications

  • 414 - Material or article handling
  • 212 - Traversing hoists