2189654

Information

• Patent Grant
• 2189654

• References
• Source

• Patent Number

  2,189,654

• Date Filed

  Not available

• Date Issued

  Tuesday, February 6, 1940
  85 years ago

• CPC

  • F16B39/10 - by a plate, spring, wire or ring immovable with regard to the bolt or object and mainly perpendicular to the axis of the bolt
  • A01K89/015 - with a rotary drum
  • Y10S411/982 - Spring-tongued washer plate
  • Y10S411/984 - Longitudinal
  • Y10T74/20762 - Shaft connections

• US Classifications

  • 411 - Expanded, threaded, driven, headed, tool-deformed, or locked-threaded fastener
  • 074 - Machine element or mechanism
  • 242 - Winding, tensioning, or guiding