3880536

Information

• Patent Grant
• 3880536

• References
• Source

• Patent Number

  3,880,536

• Date Filed

  Not available

• Date Issued

  Tuesday, April 29, 1975
  49 years ago

• CPC

  • F16B21/20 - for bolts or shafts without holes, grooves, or notches for locking members
  • G05G1/12 - Means for securing the members on rotatable spindles or the like
  • Y10T16/506 - Knob-type handle
  • Y10T24/45775 - having resiliently biased interlocking component or segment
  • Y10T74/2084 - Knob or dial
  • Y10T292/854 - Friction
  • Y10T292/869 - Spring arm
  • Y10T403/7039 - Socket
  • Y10T403/7062 - Clamped members
  • Y10T403/7073 - Peripheral enlargement, depression, or slot on one member is joint component
  • Y10T403/7098 - Non-circular rod section is joint component

• US Classifications

  • 403 - Joints and connections
  • 016 - Miscellaneous hardware
  • 024 - Buckles, buttons, clasps, etc.
  • 074 - Machine element or mechanism
  • 292 - Closure fasteners