2187439

Information

• Patent Grant
• 2187439

• References
• Source

• Patent Number

  2,187,439

• Date Filed

  Not available

• Date Issued

  Tuesday, January 16, 1940
  85 years ago

• CPC

  • B66D1/48 - automatic
  • B66D2700/0108 - with devices for paying out or automatically tightening the cable
  • Y10S254/90 - Cable pulling drum having wave motion responsive actuator for operating drive or rotation retarding means
  • Y10S414/126 - Handlers with spring devices
  • Y10T74/2135 - Noiseless

• US Classifications

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