3881221

Information

• Patent Grant
• 3881221

• References
• Source

• Patent Number

  3,881,221

• Date Filed

  Not available

• Date Issued

  Tuesday, May 6, 1975
  49 years ago

• CPC

  • E05D3/186 - Scissors hinges, with two crossing levers and five parallel pins
  • Y10S16/27 - Bearings
  • Y10T16/537 - having means to reduce friction between hinge parts
  • Y10T16/5445 - having pin fixed to pivoted arm or plate
  • Y10T16/5448 - Hinge pin movable along slot
  • Y10T16/547 - having plural hinge axes [e.g., multiple pintle]
  • Y10T16/548 - including laminated leaf
  • Y10T16/555 - Specified material

• US Classifications

  • 016 - Miscellaneous hardware