3335881

Information

• Patent Grant
• 3335881

• References
• Source

• Patent Number

  3,335,881

• Date Filed

  Not available

• Date Issued

  Tuesday, August 15, 1967
  57 years ago

• CPC

  • E02F9/205 - Remotely operated machines
  • E02F3/352 - Buckets movable along a fixed guide
  • E02F3/42 - Drives for dippers, buckets, dipper-arms or bucket-arms
  • E02F9/2045 - Guiding machines along a predetermined path
  • E02F9/22 - Hydraulic or pneumatic drives
  • E02F9/2267 - Valves or distributors
  • E02F9/2271 - Actuators and supports therefor and protection therefor
  • F15B21/08 - Servomotor systems incorporating electrically operated control means

• US Classifications

  • 414 - Material or article handling
  • 091 - Motors: expansible chamber type