Title:
シャッター装置、シャッター装置の開放操作方法、シャッター装置の開閉操作方法
Document Type and Number:
Japanese Patent JP7219599
Kind Code:
B2
Abstract:
To provide a shutter device suitable for use as a fire-prevention shutter that is usually used in a fully closed state or a fully opened state.SOLUTION: An electric wire EW1 for supplying electric power to an opening/closing device M of a shutter device extends to a lower part of a building frame body after passing therethrough, the electric wire EW1 is provided with a connection part C1 connectable from the outside at the lower part, a power source is a portable generator G connectable to the connection part C1, the power source is not usually connected to the opening/closing device M, and when opening an opening in a fully closed state, the generator G is connected to the connection part C1 and an opening operation from an opening/closing operation switch 100 causes a shutter curtain 1 to raise in an electrically driving manner.SELECTED DRAWING: Figure 45
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| JP5558769 | Opening and closing body device |
Inventors:
Yuji Asami
Keisei Otsuka
Sumito Minagawa
Keisei Otsuka
Sumito Minagawa
Application Number:
JP2018224333A
Publication Date:
February 08, 2023
Filing Date:
November 30, 2018
Export Citation:
Assignee:
Sanwa Shutter Corporation
International Classes:
E06B9/82; E05F15/72; E06B9/80; E06B9/84
Domestic Patent References:
| JP740995U | ||||
| JP201796072A | ||||
| JP2014156771A | ||||
| JP201835560A |
Attorney, Agent or Firm:
Shigeru Inaba