3797326

Information

• Patent Grant
• 3797326

• References
• Source

• Patent Number

  3,797,326

• Date Filed

  Not available

• Date Issued

  Tuesday, March 19, 1974
  50 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
  • Y10T74/19828 - Worm

• US Classifications

  • 074 - Machine element or mechanism