3548443

Information

• Patent Grant
• 3548443

• References
• Source

• Patent Number

  3,548,443

• Date Filed

  Not available

• Date Issued

  Tuesday, December 22, 1970
  54 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
  • E05Y2201/25 - Force or torque adjustment therefore
  • E05Y2900/132 - Doors
  • Y10T16/2766 - Concentric spring chamber
  • Y10T16/2782 - Oscillating cylinder

• US Classifications

  • 016 - Miscellaneous hardware
  • 188 - Brakes