Automatic deadbolt with separate trigger

An automatic door latch having a case, a bolt movable within said case between a fully extended position in which said bolt extends forwardly of said case and a partially extended position in which said bolt is positioned to contact a door strike, a plunger mounted on said bolt, said bolt and plunger being relatively movable, a bolt spring biasing said bolt toward a fully extended position, a plunger spring biasing said plunger outwardly of said case, means limiting outward movement of said plunger to a position in which its extension is the same as said bolt in its partially extended position, at least one bolt stop on said bolt movable toward and away from said case, said at least one bolt stop being pivotably affixed at one end to said bolt and having a cam pin at an opposite end thereon, means on said case coacting with said at least one bolt stop to limit bolt extension to its partially extended position, cam means on said plunger cooperating with said at least one bolt stop to cause movement of said at least one bolt stop away from said case and toward said bolt during outward movement of said bolt relative to said plunger to permit said bolt to move to a fully extended position, the cam means acting on the cam pin to pivotally move a free end of the at least one bolt stop away from and toward said bolt.