3774295

Information

• Patent Grant
• 3774295

• References
• Source

• Patent Number

  3,774,295

• Date Filed

  Not available

• Date Issued

  Tuesday, November 27, 1973
  51 years ago

• CPC

  • E05F15/673 - operated by screw-and-nut mechanisms
  • E05F15/41 - Detection by monitoring transmitted force or torque Safety couplings with activation dependent upon torque or force
  • E05Y2201/242 - using threshold speed
  • E05Y2400/562 - Switches
  • E05Y2900/106 - for garages
  • Y10T29/49382 - Helically finned
  • Y10T29/49881 - of separate helix [e.g., screw thread]
  • Y10T29/4994 - Radially expanding internal tube
  • Y10T74/19953 - Worm and helical

• US Classifications

  • 029 - Metal working
  • 074 - Machine element or mechanism