发明名称 3 SLIDING DOOR
摘要 <p>The present invention relates to a triple interlocking door. In the triple interlocking door which opens and closes three doors installed in a lower side of an upper rail installed in a door frame of an entrance to a building to overlap each other with a sliding mode by interlocking the doors, a returning unit to return the front door to its original position is installed if an external force added to open the front door between the upper rail and a slider is removed. The returning unit comprises: a moving body moved in a longitudinal direction along the upper rail with the slider of which one end of the returning unit is fixated on the slider, and an other end installed in the upper side of an installation plate unit; a clockwork having a base plate fixated and installed in the upper side of the installation plate unit forming a penetration hole on one side, an upper cover separately installed with the base plate on the upper side of the base plate, a spring support wheel installed between the base plate and the upper cover to be able to rotate, a spring accommodated inside the spring support wheel, and an elastic force control unit to control the elastic force of the spring; and a wire which connects the spring support wheel and a moving body, and winds and unwinds the spring while the spring support wheel is rotated when the moving body is moved.</p>
申请公布号 KR20150100104(A) 申请公布日期 2015.09.02
申请号 KR20140021472 申请日期 2014.02.24
申请人 KO, KYEONG DON 发明人 KO, KYEONG DON
分类号 E05F17/00;E05D15/06;E06B3/46 主分类号 E05F17/00
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