FIRE PROTECTION APPARATUS AND FIRE PROTECTION METHOD
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United States of America Patent
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Issued Date -
Jul 4, 2024
app pub date -
Dec 23, 2023
filing date -
Dec 29, 2022
priority date (Note) -
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status (Latency Note)
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Abstract
Provided is a fire protection apparatus and fire protection method capable of improving sealability of a sub-shutter device, the fire protection apparatus including a door frame mounted in a vertical passage between an upper floor and a lower floor of a building or in a horizontal passage between a first compartment and a second compartment of the building, a guide rail provided at a side of the door frame to guide a lift to pass through the vertical passage or to guide a carriage to pass through the horizontal passage, a main shutter device mounted on the door frame to open or close a main passage space between the door frame and the guide rail, and a sub-shutter device mounted on the main shutter device to close an internal space of the guide rail in association with the main shutter device when the main shutter device is closed.
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