3279484

Information

• Patent Grant
• 3279484

• References
• Source

• Patent Number

  3,279,484

• Date Filed

  Not available

• Date Issued

  Tuesday, October 18, 1966
  58 years ago

• CPC

  • B25B23/145 - specially adapted for fluid operated wrenches or screwdrivers
  • F15B11/022 - in which a rapid approach stroke is followed by a slower, high-force working stroke
  • F15B2211/251 - High pressure control
  • F15B2211/252 - Low pressure control
  • F15B2211/30525 - Directional control valves
  • F15B2211/3111 - the pump port being closed in the centre position
  • F15B2211/3138 - the positions being discrete
  • F15B2211/31576 - having a single pressure source and a single output member
  • F15B2211/324 - manually
  • F15B2211/327 - electrically or electronically
  • F15B2211/775 - Combined control
  • Y10T137/86582 - Pilot-actuated

• US Classifications

  • 415 - Rotary kinetic fluid motors or pumps
  • 091 - Motors: expansible chamber type
  • 137 - Fluid handling
  • 251 - Valves and valve actuation