Horizontally adjustable door hinge

Claim 1

A horizontally adjustable hinge system for hingedly connecting the vertical edge of a door to a vertical frame edge, comprising: a vertically elongated, flat metal strip forming one of said edges and having an exposed face and a rear face, with said strip having a vertically elongated opening formed therein; a hinge having a flat leaf loosely fitted within said opening and arranged generally in the plane of the strip, and a second leaf pivotally connected to said flap leaf and adapted for securement to the other of said edges; a vertically elongated plate overlapping said opening and having end portions overlapping and rigidly secured to the strip portions immediately above and below the upper and lower ends of the opening; and with the plate being arranged so that its central portion, which overlaps the strip opening, is substantially flat, and parallel to the strip for face-to-face contact with said flat leaf; a flat, back-up plate member of about the same size as, and overlapping in face-to-face contact, the rear face of the plate; means fastening said back-up plate member to said plate for providing limited horizontal movement only of said back-up plate member relative to said plate; a number of screw holes formed in the leaf, and corresponding horizontally elongated slots formed in said plate in alignment with each screw hole, and aligned screw receiving openings formed in the back-up plate member; short screws extending through certain of the leaf screw holes and through their aligned plate horizontal slots and being screw threaded within their aligned back-up plate member screw holes, for screw fastening the leaf to the back-up plate member, so that loosening of such screws permits horizontal movement only of the leaf relative to the plate and said strip.