Title:
防火扉
Document Type and Number:
Japanese Patent JP7222384
Kind Code:
B2
Abstract:
A fire door includes: an outer frame; a door body; and a center rail, the center rail is provided so as to overlap a target area in a wall orthogonal direction view, and so as to extend in a width direction between a first frame portion and a second frame portion on the side opposite to the wall body with respect to the target area, the center rail and the first frame portion are fixed to each other, the center rail and the second frame portion are engaged with each other with an engaging mechanism interposed therebetween, and the engaging mechanism is configured to allow relative movement of the center rail relative to the second frame portion in the width direction, and to regulate the relative movement thereof in the wall orthogonal direction and a slide direction.
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Inventors:
Takafumi Yamazaki
Application Number:
JP2020155665A
Publication Date:
February 15, 2023
Filing Date:
September 16, 2020
Export Citation:
Assignee:
Daifuku Co., Ltd.
International Classes:
E06B5/16; A62C2/06
Domestic Patent References:
| JP2013185423A | ||||
| JP8028135A | ||||
| JP2010043433A | ||||
| JP2018204229A | ||||
| JP2016214621A | ||||
| JP7176587A | ||||
| JP2019059596A | ||||
| JP2019182642A |
Foreign References:
| CN210217559U | ||||
| CN109908511A |
Attorney, Agent or Firm:
Patent Attorney Corporation R&C
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