Patent ID: 7055871
Filing Date: 2006-06-06
Classification: E05B,Y10T

Abstract:
1. An electronic door lock dogging mechanism comprising: a bolt arranged to move into and out of a door to selectively engage a portion of a door frame to lock a door when extending out of the door and when recessed within the door, unlocking the door from the door frame, a bolt spring arranged to normally bias the bolt outwardly relative to the door, a solenoid arranged, when energized, to have movement of a solenoid piston move the bolt into a recessed position in the door to unlock the door, a trigger arranged to be biased into a dogging position relative to the bolt when the solenoid has moved the bolt into its recessed position, a rotatable cam having a cam lobe arranged to engage the trigger to move it out of the dogging position when the cam is rotated into a first position, a biasing spring arranged to bias the cam into the first position, a solenoid actuator arranged to move with the movement of the solenoid piston to rotate the cam into a second position, moving the cam lobe away from engagement with the trigger, an electromagnet arranged, when energized, to hold the cam in the second position.