Title:
トンネル用の避難扉装置
Document Type and Number:
Japanese Patent JP7323399
Kind Code:
B2
Abstract:
To prevent actuation of an inverted L-shaped evacuation door 7 provided in a tunnel 1 from being hindered by receiving careless resistance, when the evacuation door 7 is displaced during an opening/closing operation.SOLUTION: First and second cushioning materials 19 and 20 for cushioning displacement by elastic deformation are interposed between a ceiling panel part 9 arranged so as to provide an upper side roller 11 on the ceiling panel part 9 of the evacuation door 7 and a fist bracket 17, and between the first bracket 17 and a second bracket 18.SELECTED DRAWING: Figure 6
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| JPS544097 | ESCAPE GUIDE DEVICE |
Inventors:
Tota Kasai
Heigaki Shun
Heigaki Shun
Application Number:
JP2019171035A
Publication Date:
August 08, 2023
Filing Date:
September 20, 2019
Export Citation:
Assignee:
Sanwa Shutter Co., Ltd.
International Classes:
A62B3/00; E04H9/14; E21F11/00
Domestic Patent References:
| JP2017144011A | ||||
| JP11093553A | ||||
| JP9279940A | ||||
| JP11072118A |
Foreign References:
| KR101297715B1 |
Attorney, Agent or Firm:
Tetsuo Hirose
Yuko Suzuki
Yuko Suzuki