| 摘要 |
A hinge is provided having an interior pivot point (14) and an exterior pivot point (12) for mounting a door to a frame such that the door is capable of opening a full one hundred eighty degrees. The hinge has a lower bracket (20), a central pivot link (40) rotationally attached to the lower bracket, an exterior pivot pin (80) extending between the lower bracket and the central pivot link, an upper bracket (60), an interior pivot pin (70), extending between the upper bracket and the central pivot link, and a spring (72) for urging the central pivot link against the lower bracket whereby increased longitudinal load is placed on the central pivot link against the lower bracket and for optionally applying torque from the lower bracket to the central pivot link in the opening direction of the door. |
