Patent ID: 9663979
Date: 2017-05-30
CPC Classifications: E05D,E05Y,Y10T

Claim:
1. In a hinge having two housings adapted to be recessed in a door frame and a door edge and having a link assembly extending between the housings and having ends pivoted in the housings, the improvement comprising: a support body vertically shiftable in one of the housings and having a row of teeth extending horizontally in a first direction; a bearing block supported in the one housing on the support body, forming a pivot for the respective end of the link assembly, formed with a seat open toward the row of teeth, and formed with a throughgoing block hole extending in a second horizontal direction transverse to the first horizontal direction; a screw threaded into the support body, extending through the block hole, and tightenable to bear on and fix the bearing block on the support body; and a gear captured in the seat of the bearing block, meshing with the row of teeth, and rotatable to shift the bearing block on the support body in the first horizontal direction in an untightened condition of the screw.