2781056

Information

• Patent Grant
• 2781056

• References
• Source

• Patent Number

  2,781,056

• Date Filed

  Not available

• Date Issued

  Tuesday, February 12, 1957
  68 years ago

• CPC

  • F16H3/00 - Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion
  • F16H2712/04 - the control being hydraulic or pneumatic
  • Y10T137/86533 - Rotary
  • Y10T137/86839 - Four port reversing valves
  • Y10T137/86863 - Rotary valve unit
  • Y10T137/86871 - Plug

• US Classifications

  • 137 - Fluid handling
  • 251 - Valves and valve actuation