Lock means for vertical slidable doors

Claim 1

IN COMBINATION, A VERTICALLY ACTING DOOR ASSEMBLY, A LOCK MEANS COMPRISING A PAIR OF BOLTS DISPOSED ON THE INNER SIDE OF THE DOOR AND SLIDABLY AND TILTABLY SUPPORTED ON THE DOOR ADJACENT ITS SIDE EDGES, BOLT ACTUATING MEANS COMPRISING A SPINDLE DISPOSED THROUGH AND ROTATABLY MOUNTED ON THE DOOR AND PROJECTING INWARDLY THEREFROM AND HAVING A HANDLE ON THE OUTER SIDE OF THE DOOR PROVIDED WITH A KEY ACTUATED CONNECTION TO SAID SPINDLE, A MANUALLY ADJUSTABLE BOLT ACTUATED MEMBER ROTATABLY AND TILTABLY MOUNTED ON SAID SPINDLE FOR ROTATABLE AND LONGITUDINAL ADJUSTMENT RELATIVE THERETO, SAID BOLTS BEING CONNECTED TO SAID ACTUATING MEMBER ON OPPOSITE SIDES OF SAID SPINDLE, A THRUST SPRING MOUNTED ON SAID SPINDLE AT THE OUTER SIDE OF SAID INNER ACTUATING MEMBER, AND A COUPLING MEMBER ON SAID SPINDLE, SAID INNER ACTUATING MEMBER BEING PROVIDED WITH MEANS DETACHABLY ENGAGEABLE WITH SAID COUPLING MEMBER ON SAID SPINDLE.