| 摘要 |
In a door hinge for hidden placement between a door frame and a door leaf a first hinge rod is rotatably mounted on a door frame receiving body at one end and at another end is guided rotatably and displaceably in a slot link guide of a door leaf receiving body, a second hinge rod is rotatably mounted on the door leaf receiving body at one end and at another end is guided rotatably and displaceably in a slot link guide of the door frame receiving body, disposed at an angle of at least 45° relative to front surfaces of the door leaf in a closed position, and a depth of the door frame receiving body is less than 80% of a depth of the door leaf receiving body.
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