Title:
防火扉
Document Type and Number:
Japanese Patent JP7115234
Kind Code:
B2
Abstract:
To realize a technology that can keep the gap between a closed fire door and two rails small when the opening to be opened and closed by the fire door is provided in the traveling route of the vehicle that is guided by the two rails installed on the floor.SOLUTION: The fire door includes a first door member 21 and a second door member 22 provided between a first rail 41 and a second rail 42 in a width direction Y of the travel route. The first door member 21 can be lowered to a position where a portion of an opening 6 above the first rail 41 and the second rail 42 is closed. The second door member 22 can switch its posture between an upright posture P3 in an upright posture from the floor 2 in which the second door member 22 enters the traveling path of the vehicle, and a tilted posture tilted more than the standing posture P3 in which the second door member 22 is retracted from the traveling path.SELECTED DRAWING: Figure 5
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Inventors:
Yusuke Morimoto
Application Number:
JP2018210721A
Publication Date:
August 09, 2022
Filing Date:
November 08, 2018
Export Citation:
Assignee:
Daifuku Co., Ltd.
International Classes:
A62C2/06; B61B3/00
Domestic Patent References:
| JP2011219939A | ||||
| JP2003182810A |
Attorney, Agent or Firm:
Patent business corporation r&c
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