Patent ID: 7334293
Filing Date: 2008-02-26
Classification: E05D,Y10T

Abstract:
1. A vertically adjustable hinge comprising: a housing for attachment to a first structure, the housing having a housing cavity, the cavity having an upper portion, a lower portion and a retaining portion forming a channel defining the upper portion and the lower portion; a first leaf extending into the cavity upper portion; a threaded nut engaging the first leaf to prevent rotation of the threaded nut relative to the first leaf; an adjustment mechanism disposed in the housing cavity, the adjustment mechanism comprising a jack screw extending between the upper cavity portion and the lower cavity portion, the jack screw having a threaded portion threadably engaging the nut in the upper cavity portion and a geared portion disposed in the cavity lower portion; a worm gear engaging the jack screw geared portion, wherein rotation of the worm gear rotates the jack screw threaded portion in the nut, thereby moving the first leaf relative to the housing; and a second leaf pivotably attached to the first leaf.