3746067

Information

• Patent Grant
• 3746067

• References
• Source

• Patent Number

  3,746,067

• Date Filed

  Not available

• Date Issued

  Tuesday, July 17, 1973
  51 years ago

• CPC

  • F16B41/002 - Measures against loss of bolts, nuts or pins
  • B21H3/02 - external screw-threads; Making dies for thread rolling
  • B21H7/18 - grooved pins Rolling grooves
  • F16B5/0208 - using panel fasteners
  • F16B35/041 - Specially-shaped shafts
  • F16B43/00 - Washers or equivalent devices Other devices for supporting bolt-heads or nuts
  • F16B2043/008 - with a cavity for receiving the bolt head in order to make a flush surface
  • Y10S411/999 - with retainer
  • Y10T29/4992 - by flaring inserted cup or tube end

• US Classifications

  • 411 - Expanded, threaded, driven, headed, tool-deformed, or locked-threaded fastener
  • 029 - Metal working