3433459

Information

• Patent Grant
• 3433459

• References
• Source

• Patent Number

  3,433,459

• Date Filed

  Not available

• Date Issued

  Tuesday, March 18, 1969
  56 years ago

• CPC

  • B66C23/00 - Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements
  • B66C1/10 - by mechanical means
  • B66C19/02 - collapsible
  • B66C23/485 - for lifting and moving engines
  • B66D3/04 - Pulley blocks or like devices in which force is applied to a rope, cable, or chain which passes over one or more pulleys
  • B66C2700/03 - Cranes with arms or jibs Multiple cranes
  • B66D2700/028 - Pulley blocks with multiple sheaves
  • Y10S212/901 - Dolley-type cranes

• US Classifications

  • 254 - Implements or apparatus for applying pushing or pulling force
  • 212 - Traversing hoists
  • 294 - Handling: hand and hoist-line implements
  • 414 - Material or article handling