| 摘要 |
PURPOSE: A separation protection sash door is provided to prevent the separation of the sash door from the horizontal member of a door frame because a moving unit is lowered by the load of the sash door so that the front and end pieces of the sash door are extended. CONSTITUTION: A separation protection sash door is configured as follows. A roller groove is formed on the bottom of a horizontal member(16), in which a roller is provided to slide on a rail piece formed in the center of a horizontal member of a door frame. Moving grooves(21) with moving holes are formed on the lower inner sides of front and rear pieces(19) of the roller groove. A moving unit(30) is moved up and down within the moving grooves. In the moving unit, a moving piece(31) is formed to move within the moving grooves, a connecting piece(32) is formed on the inner side of the moving piece outside the moving holes, and a mohair bar(33) is integrally formed on the inner side of the moving piece.
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