2121814

Information

• Patent Grant
• 2121814

• References
• Source

• Patent Number

  2,121,814

• Date Filed

  Not available

• Date Issued

  Tuesday, June 28, 1938
  86 years ago

• CPC

  • E05F3/08 - in which a torsion spring rotates a member around an axis arranged in the direction of the axis of the piston
  • E05Y2201/20 - Brakes Disengaging means
  • E05Y2201/21 - Brakes
  • E05Y2201/232 - by automatically acting means
  • E05Y2201/256 - with pistons or vanes
  • E05Y2201/266 - rotary
  • E05Y2201/458 - Valves
  • Y10T16/2766 - Concentric spring chamber

• US Classifications

  • 016 - Miscellaneous hardware