(57) Abstract Objective Without providing the prison outside fall from the window andIt designates that entrance and exit is prevented as purpose. Configuration Possesses trilateral window surface on side the window frame 1 which to the external wall takingAttaching, in said window frame 1 one pulling window of part insertion murder formationThe re te it is. In window surface outside two glass sashes, window frame 1It inserts into the window surface of two aspects of the left and right both ends inside, becoming the murder, the fixed sashWith it becomes, only median window surface 2c is open. That shiftInside, one glass sash slides to cross direction in the fixed sashIt is inserted possibly and forms operational sash 3. Grid sash 4To insert slide possibly and you to be packed, the left side of that grid sash 4The summons adjusting section of the right flank of aforementioned operational sash 3 to be concatenated, saidGrid sash 4 and operational sash 3 has become united.
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