Door lock structure

A door lock structure for securement in a longitudinal cavity in a door vertical free edge portion or folding door edge post, said door lock structure comprising an elongated locking rod supportingly guided in said longitudinal cavity, said rod having a locking free end movable above an open end of said bore above a horizontal edge of said door, said rod being normally biased in a retracted position in said cavity with said rod locking free end disposed inwardly of said horizontal door edge, external rod displacement means on an outside face of said door vertical free edge portion and secured to said rod for displacing said rod and said locking free end outwardly of said horizontal door edge to a locking position, bolt engaging means disposed inwardly of said door edge adjacent said rod for engaging said rod when placed in its locking position, key operated cam means accessible from an outside face of said door vertical free edge portion for disengaging said rod engaging means from engagement with rod, there being two of said longitudinal cavities axially aligned in said door edge, a locking rod associated with each said cavity and each biased with their respective locking free end inwardly of a top and bottom horizontal edge of said door, said bolt engaging means engaging both said bolts simultaneously in their locking position and permitting either of said bolts to be independently displaced to their locking position, each said bolt being provided with at least one retention notch therein, said bolt engaging means being an elongated lock arm having an arresting finger at opposed ends thereof, said lock arm being spring biased in the direction of said bolts with said arresting fingers contacting an associated one of said bolts whereby said fingers will enter said retention notch when displaced thereagainst.