3144146

Information

• Patent Grant
• 3144146

• References
• Source

• Patent Number

  3,144,146

• Date Filed

  Not available

• Date Issued

  Tuesday, August 11, 1964
  60 years ago

• CPC

  • E02F3/427 - with mechanical drives
  • E02F3/30 - with a dipper-arm pivoted on a cantilever beam
  • E02F3/308 - working outwardly
  • E02F3/42 - Drives for dippers, buckets, dipper-arms or bucket-arms
  • E02F9/2008 - Control mechanisms in the form of the machine in the reduced scale model
  • Y10T74/19535 - Follow-up mechanism

• US Classifications

  • 414 - Material or article handling
  • 033 - Geometrical instruments
  • 037 - Excavating
  • 074 - Machine element or mechanism