Ventilator for window

Abstract

This article is a ventilation device for windows that is incorporated into the window frame and enables indoor ventilation when the window is closed. A main body having a ventilation passage is attached to the frame, and a lid is attached to the indoor-side opening of the main body so as to be openable and closable. The cores arranged on the outdoor-side surfaces at both longitudinal ends of the lid, as shown in the reference drawing, are magnetically attached to the magnets arranged at both longitudinal ends of the main body, and are rotatable around the axis of the cores and detachable in the indoor direction. The magnet arranged on the outdoor-side surface of the lid magnetically attaches to the core arranged inside the main body when the lid is in the closed position.

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