Ventilation opening closing member

The ventilation duct closing device with a cover member, insertion member, and mounting member addresses the labor and security issues of existing systems by enabling easy installation and secure attachment, preventing unauthorized removal.

JP2025180716APending Publication Date: 2025-12-11DAIWA HOUSE INDUSTRY CO LTD
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Patent Information

Application Number
JP2024088247
Authority / Receiving Office
JP · JP
Patent Type
Applications
Current Assignee / Owner
Filing Date
2024-05-30
Publication Date
2025-12-11

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  • Figure 2025180716000001_ABST
    Figure 2025180716000001_ABST
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Abstract

To provide a ventilation opening closing member that can be easily attached to and detached from a foundation while improving security.SOLUTION: A ventilation opening closing member 1 closes a ventilation opening H formed in a foundation B of a building. The ventilation opening closing member 1 is attached to the foundation B to cover the ventilation opening H from the outdoor side and includes a plate-shaped cover member 2 with ventilation holes, an insert member 3 inserted into the ventilation opening H, and an attachment member 4 for detachably attaching the cover member 2 to the foundation B. The insert member 3 is attached to the indoor surface of the cover member 2 and has a shaft portion 20 that passes through the ventilation opening H and extends to the indoor side, an opening / closing unit 30 that is attached to the shaft portion 20 in an openable and closable manner and switches between a closed state in which the ventilation opening H can be inserted and an open state in which it is extended from the closed state, and a switching unit 40 that switches the opening / closing unit 30 between the closed state and the open state. The opening / closing unit 30 is maintained in a state switched from the closed state to the open state by the switching unit 40 and can abut against an indoor-side peripheral edge Bb of the ventilation opening H.SELECTED DRAWING: Figure 6
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Citation Information

Patent Citations

  • Ventilating opening frame for building

    JP1996093070A