| 摘要 |
PURPOSE: A buried door hinge is provided to easily and accurately install a door, and stably support the door. CONSTITUTION: A buried door hinge comprises upper and lower hinge pins(31,32), upper and lower support brackets(40,50). The upper and lower hinge pins protrude from the upper and lower surfaces of a door. The upper and lower support brackets are buried in the surfaces adjacent to the upper and lower horizontal members of a door frame. The upper and lower hinge pins are rotationally connected to the upper and lower support brackets. The upper and lower support brackets comprise upper and lower nut members(41,51), upper and lower perforated bolts(42,52). The upper and lower nut members are fixed to the surface adjacent to the upper and lower horizontal members, and comprise through hole. The upper and lower perforated bolts are connected to the through hole, and comprise hinge coupling holes. |
