Quick-release means for securing lock assemblies in fitted door openings

Claim 1

THE COMBINATION WITH A FLAT DOOR PANEL HAVING A LOCK OPENING THEREIN PRESENTING A PAIR OF OPPOSED PARALLEL STRAIGHT SIDE EDGES, AND A LOCK HOUSING PRESENTING APAIR OF OPPOSITELY FACING PLANAR SIDE FACES FITTING CLOSELY AGAINST SAID OPPOSED PAIR OF SIDE EDGES AND EXTENDING NORMAL TO THE PLANE OF SAID DOOR PANEL, A REAR FACE DISPOSED REARWARDLY OF THE DOOR PANEL, AND A RIM FLANGE BEARING AGAINST THE OUTSIDE FACE OF THE DOOR PANEL AND SURROUNDING SAID OPENING, SAID REAR FACE BEING FORMED WITH TWO THREADED HOLES DISPOSED IN SPACED RELATIONSHIP ADJACENT TO BUT SPACED INWARDLY OF EACH OF SAID SIDE FACES, OF A PAIR OF IDENTICAL SHEET METAL CLAMPING BRACKETS FOR FIXEDLY SECURING THE LOCK HOUSING IN POSITION ON SAID DOOR PANEL, EACH OF SAID BRACKETS COMPRISING AN ELONGATED FLAT BODY PORTION IN FACE-TO-FACE COEXTENSIVE CONTACT WITH ONE OF SAID SIDE EDGES OF THE HOUSING, AND HAVING A LONGITUDINAL EDGE THEREOF BEARING COEXTENSIVELY AGAINST THE INNER FACE OF THE DOOR PANEL, AND A PAIR OF SPACED LATERALLY TURNED REACTION FLANGES ON THE OTHER LONGITUDINAL