2315942

Information

• Patent Grant
• 2315942

• References
• Source

• Patent Number

  2,315,942

• Date Filed

  Not available

• Date Issued

  Tuesday, April 6, 1943
  82 years ago

• CPC

  • E01D15/08 - Drawbridges
  • B66C23/72 - Counterweights or supports for balancing lifting couples
  • B66C2700/0392 - Movement of the crane arm Coupling of the crane arm with the counterweights Safety devices for the movement of the arm
  • Y10T74/18328 - Alternately rotated screw
  • Y10T74/19702 - Screw and nut

• US Classifications

  • 212 - Traversing hoists
  • 014 - Bridges
  • 074 - Machine element or mechanism