3054136

Information

• Patent Grant
• 3054136

• References
• Source

• Patent Number

  3,054,136

• Date Filed

  Not available

• Date Issued

  Tuesday, September 18, 1962
  62 years ago

• CPC

  • E05F3/102 - with rack-and-pinion transmission between driving shaft and piston within the closer housing
  • E05Y2201/404 - characterised by the function
  • E05Y2201/456 - Pistons
  • E05Y2900/132 - Doors
  • Y10T16/2804 - Spring and gear
  • Y10T137/7834 - Valve seat or external sleeve moves to open valve
  • Y10T137/7889 - Sleeve

• US Classifications

  • 016 - Miscellaneous hardware
  • 092 - Expansible chamber devices
  • 137 - Fluid handling
  • 188 - Brakes
  • 251 - Valves and valve actuation
  • 277 - Seal for a joint or juncture