3239087

Information

• Patent Grant
• 3239087

• References
• Source

• Patent Number

  3,239,087

• Date Filed

  Not available

• Date Issued

  Tuesday, March 8, 1966
  58 years ago

• CPC

  • H01B7/00 - Insulated conductors or cables characterised by their form
  • B66C3/14 - Grabs opened or closed by driving motors thereon
  • B66C3/16 - by fluid motors
  • B66C13/14 - to load-engaging elements or motors associated therewith
  • B66C13/18 - Control systems or devices
  • B66D1/08 - incorporating fluid motors
  • B66D1/14 - Power transmissions between power sources and drums or barrels
  • E02F3/413 - with grabbing device
  • E02F3/47 - with grab buckets
  • F15B13/0431 - the electrical control resulting in an on-off function
  • F15B21/08 - Servomotor systems incorporating electrically operated control means
  • B66C2700/06 - Cranes in which the lifting movement is done with a hydraulically controlled plunger
  • B66D2700/0133 - Fluid actuated
  • B66D2700/0158 - Hydraulically controlled couplings or gearings

• US Classifications

  • 414 - Material or article handling