3893572

Information

• Patent Grant
• 3893572

• References
• Source

• Patent Number

  3,893,572

• Date Filed

  Not available

• Date Issued

  Tuesday, July 8, 1975
  49 years ago

• CPC

  • F16H61/4157 - Control of braking
  • B66D1/08 - incorporating fluid motors
  • F03C1/0425 - Disconnecting the pistons from the actuated cam
  • F15B11/04 - for controlling the speed
  • F16H61/40 - hydrostatic
  • B66D2700/0133 - Fluid actuated
  • F15B2211/20538 - constant capacity
  • F15B2211/20584 - Combinations of pumps with high and low capacity
  • F15B2211/30505 - Non-return valves
  • F15B2211/30525 - Directional control valves
  • F15B2211/324 - manually
  • F15B2211/50536 - using unloading valves controlling the supply pressure by diverting fluid to the return line
  • F15B2211/5151 - being connected to a pressure source and a directional control valve
  • F15B2211/611 - Diverting circuits
  • F15B2211/615 - Filtering means
  • F15B2211/7053 - Double-acting output members
  • F15B2211/7058 - Rotary output members
  • F15B2211/7128 - the chambers being connected in parallel
  • F15B2211/715 - having braking means
  • F15B2211/865 - Prevention of failures
  • F15B2211/8755 - Emergency shut-down

• US Classifications

  • 212 - Traversing hoists
  • 254 - Implements or apparatus for applying pushing or pulling force