Patent ID: 7516517

Claim:
An adjustable door hinge device for a door assembly comprising a door leaf and a door frame, said hinge device having a first one of its hinge flaps fixable with mounting screw members to the door frame, wherein an adjustable screw body with a double-head structure is adjustably fastened in the door frame member, wherein the first hinge flap has at one end thereof a recess into which said double-head structure fits with one head thereof abutting a rear side of the first hinge flap and the other head abutting a front side of the hinge flap, said screw body being in rotational adjustable engagement with said recess, wherein at least a first through hole and a second through hole are through holes defined in the first hinge flap and are provided for receiving the mounting screw members therethrough, said mounting screw members configured to attach the first hinge flap to the frame member, wherein said screw body and said mounting screw members provide for angular adjustment and fixing of the hinge flap relative to a portion of the frame member facing the rear side of the first hinge flap and in cooperation with a tilting location proximate the through holes for the mounting screw members on the hinge flap, the tilting location including a fulcrum line about which the first hinge flap tilts wherein the adjustable screw body is turnable to tilt the first hinge flap without loosening the mounting screws, and wherein a second one of the hinge flaps is attachable to the door leaf.