Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
December 25, 2018
Patent Application Number
15005251
Date Filed
January 25, 2016
Patent Citations Received
Patent Primary Examiner
Patent abstract
An article transport facility is provided in which, when a fire breaks out on a floor below, smoke etc. can be prevented from entering floors above through an opening. An opening, which a raised and lowered member can move through in a vertical direction, is formed in an intermediate floor portion located between the floor above and the floor below. A fire door for opening and closing the opening is provided. A gas ejection device having an ejecting portion for ejecting gas is provided at a lower position than the fire door. The ejecting portion ejects gas horizontally toward an area directly below a gap formed at an edge of the fire door when the opening is closed by the fire door.
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