3216715

Information

• Patent Grant
• 3216715

• References
• Source

• Patent Number

  3,216,715

• Date Filed

  Not available

• Date Issued

  Tuesday, November 9, 1965
  59 years ago

• CPC

  • B28B21/50 - Details of compression or compacting means
  • F15B11/02 - Systems ess entially incorporating special features for controlling the speed or actuating force of an output member
  • G05D16/163 - using one or several membranes
  • F15B2211/30525 - Directional control valves
  • F15B2211/327 - electrically or electronically
  • F15B2211/40515 - with variable throttles or orifices
  • F15B2211/41581 - being connected to an output member and a return line
  • F15B2211/423 - manually
  • F15B2211/7053 - Double-acting output members
  • F15B2211/76 - Control of force or torque of the output member
  • Y10T137/7906 - Cam means for adjusting and fixing bias

• US Classifications

  • 267 - Spring devices
  • 137 - Fluid handling