Patent ID: 7410196
Filing Date: 2008-08-12
Classification: E05B,Y10T

Abstract:
1. An electronic tongue strike mechanism comprising: a main mounting bracket which is mountable onto a door frame; a tension plate which is mounted to the main mounting bracket, wherein the tension plate is mounted in a cantilever fashion to the main mounting bracket at an end thereof which is remote from an opening for receiving a door bolt; a tongue strike mounted on the tension plate for inwardly engaging the door bolt; a pressure sensor mounted on the tension plate to sense relative movement between the tension plate and the main mounting bracket caused by the door bolt being urged against the tongue strike; a bias spring mounted on the tongue strike such that it extends into the opening for receiving the door bolt; and upper and lower tongue strike support brackets mounted on the tension plate for supporting the tongue strike therebetween; wherein each of the upper and lower tongue strike support brackets has a main bearing shaft onto which the tongue strike is rotatably mounted.