3352580

Information

• Patent Grant
• 3352580

• References
• Source

• Patent Number

  3,352,580

• Date Filed

  Not available

• Date Issued

  Tuesday, November 14, 1967
  57 years ago

• CPC

  • F16C11/04 - Pivotal connections
  • A47C1/026 - by means of peg-and-notch or pawl-and-ratchet mechanism
  • A47C20/045 - urged into an operative or non-operative position at an end of stretch
  • A47C20/06 - the adjustable part immobilising foldable legs
  • F16C11/10 - Arrangements for locking
  • Y10T16/540243 - including cam or eccentric
  • Y10T16/546 - Three-hinged members
  • Y10T74/20714 - Lever carried rack
  • Y10T403/32336 - Engaging notch or recess in outer periphery of component
  • Y10T403/32368 - including radial interengaging tongue and slot or serrations
  • Y10T403/32418 - Plural distinct positions
  • Y10T403/32451 - Step-by-step adjustment

• US Classifications

  • 403 - Joints and connections
  • 016 - Miscellaneous hardware
  • 074 - Machine element or mechanism
  • 297 - Chairs and seats