| 摘要 |
PURPOSE: A separation prevention device for a movable frame on a sliding window is provided to prevent accidents by preventing a movable frame from being separated from a fixed frame. CONSTITUTION: A separation prevention device(100) for a movable frame on a sliding window comprises a fixed frame(10), two movable frames(20), a spacers(40), and an operation unit(50). The fixed frame is arranged on a sliding window. The movable frames are arranged on the fixed frame to be movable. The spacer is inserted into grooves(21) formed on the top ends of the movable frames to be extractable. The operation unit is installed on the front end of the movable frames and selectively inserts and extracts the spacer into/from the movable frames.
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