Patent ID: 7059020

Claim:
A hinge for doors, comprising: a frame hinge flap to be located within a recess of a door frame having a hollow profile, said frame hinge flap being height-adjustable with respect to the door frame; a door hinge flap connected to said frame hinge flap, said door hinge flap having a fitting flange; and an insertion pocket to be located within a recess of a door having a hollow profile, said insertion pocket including: an internal tab to be attached to an internal surface of the hollow profile of the door; an external tab supported by said internal tab and attached to said fitting flange of said door hinge flap, said external tab including an adjustment bolt with an eccentric rotatable cam cooperating with a keyhole-shaped opening in said fitting flange of said door hinge flap for adjustment of said door hinge flap in a thickness direction of the door; and set screws for connecting said internal tab and said external tab to each other, said set screws being operable to adjust a position of said external tab and said door hinge flap relative to a surface of the door in which the recess of the door is formed; wherein said frame hinge flap, said door hinge flap, and said insertion pocket are shaped and arranged to be located within one of the recess of the door frame and the recess of the door when the door is closed so that said hinge is completely invisible when the door is closed.