Solenoid bolt


A solenoid bolt is a type of electronic-mechanical locking mechanism. This type of lock is characterized by the use of a solenoid to throw the bolt.[1] Sophisticated solenoid bolt locks may use microprocessors to perform voltage regulation, reduce power consumption, and/or provide access control. Depending on the strength of the solenoid, some models can provide a holding force on the order of 1000 kg. A solenoid bolt can be designed either to fail open (the lock opens on power loss) or to fail closed (the device is locked upon power loss); cf fail safe. Some models may be suitable for high-security sites.

References
  1. US patent 5887467 Pawl & solenoid locking mechanism, Inventor(s): BUTTERWECK DIETER [DE]; PHILLIPS PETER J [US]; GARTNER KLAUS W [US]
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