DOOR LOCK WITH INTEGRATED DOOR POSITION SENSOR

摘要

A door lock with integrated door position sensor includes rectangular magnets positioned behind the door strike to maximize magnetic field strength in available space limited by industry-standard dimensions for the door strike. A beveled or stepped mounting opening for the sensor is formed in a front plate of the door lock and behind a non-magnetic faceplate. The shape of the mounting opening allows the magnetic field to penetrate deeply through the faceplate and front plate to actuate the door position sensor. The sensor may be used in mortise locks or bored locks. In an alternative embodiment, the sensor is spring mounted to eliminate all mounting tolerances and ensure that the sensor is maximally forward and flush against the back of the non-magnetic faceplate.

主权项

1. A door lock mechanism comprising:
a lock having a latchbolt; a magnetically actuated door position sensor; a front plate for the lock, the front plate having a front face, a back face, a mounting opening for the magnetically actuated door position sensor and a latchbolt opening for the latchbolt, the latchbolt opening and mounting opening extending through the front plate from the front face to the back face and the mounting opening being larger at the front face of the front plate than at the back face of the front plate to allow magnetic field penetration into the mounting opening and through the front plate to the door position sensor; a non-magnetic faceplate covering the front plate, the non-magnetic faceplate having an opening for the latchbolt; a non-magnetic strike adapted for mounting to a door frame, the strike having a strike opening for receiving the latchbolt; and a magnet mounted to the strike for actuating the door position sensor.