An apparatus for an electronic lock having a movable bolt including a spring biased pawl movable when it is released by a solenoid mechanism for relative movement by the bolt as the bolt is moved from a blocked entrance way position to an unblocked entranceway position....http://www.google.fr/patents/US5887467?utm_source=gb-gplus-shareBrevet US5887467 - Pawl & solenoid locking mechanism
