3745705

Information

• Patent Grant
• 3745705

• References
• Source

• Patent Number

  3,745,705

• Date Filed

  Not available

• Date Issued

  Tuesday, July 17, 1973
  51 years ago

• CPC

  • E05F15/657 - enabling manual drive
  • E05F11/54 - for doors
  • E05F15/40 - Safety devices
  • E05F15/41 - Detection by monitoring transmitted force or torque Safety couplings with activation dependent upon torque or force
  • E05F15/652 - operated by screw-and-nut mechanisms
  • E05Y2201/21 - Brakes
  • E05Y2201/216 - Clutches
  • E05Y2201/22 - Locks
  • E05Y2201/234 - direction dependent
  • E05Y2201/244 - by manual operation
  • E05Y2201/246 - by motors, magnets, springs or weights
  • E05Y2201/434 - Electromotors Details thereof
  • E05Y2201/47 - Springs Spring tensioners
  • E05Y2201/676 - Transmission of human force
  • E05Y2201/68 - Handles, cranks
  • E05Y2201/702 - Spindles Worms
  • E05Y2400/31 - Force or torque control
  • E05Y2400/354 - End positions
  • E05Y2400/51 - of position, of back drive
  • E05Y2400/53 - Wing impact prevention or reduction
  • E05Y2400/552 - Switches
  • E05Y2600/13 - by motors, magnets, springs, weights
  • E05Y2800/112 - Back driving the transmission or motor
  • E05Y2800/25 - Emergency conditions
  • E05Y2800/252 - the elements functioning only in case of emergency
  • E05Y2900/51 - for railway cars or mass transit vehicles

• US Classifications

  • 049 - Movable or removable closures