Title:
シャッター
Document Type and Number:
Japanese Patent JP7305471
Kind Code:
B2
Abstract:
To provide a shutter capable of electrically opening a shutter curtain as a fireproof shutter while suppressing installation cost.SOLUTION: Included are: an electric switch M; a control device 4 for controlling the self-weight drop of a shutter curtain and obstacle detection; a connection section C1 which can be electrically connected to a generator G which is a temporary power source different from a commercial power source; an electric opening operation section 7A; a first wiring (wire α) for electrically connecting the commercial power source and the control device 4; and a second wiring (wire EW1) for electrically connecting the electric switch M and the connection section C1. When an opening part is opened, the generator G is connected to the connection section C1, and the shutter curtain 1 can be raised electrically by opening operation from the electric opening operation section 7A.SELECTED DRAWING: Figure 1
Inventors:
Yuji Asami
Sumito Minagawa
Sumito Minagawa
Application Number:
JP2019126539A
Publication Date:
July 10, 2023
Filing Date:
July 05, 2019
Export Citation:
Assignee:
Sanwa Shutter Co., Ltd.
International Classes:
E06B9/82; A62C2/06; E06B9/17; E06B9/68
Domestic Patent References:
| JP7040995U | ||||
| JP2009079457A | ||||
| JP2004324257A | ||||
| JP2007100422A | ||||
| JP2018035560A |
Attorney, Agent or Firm:
Shigeru Inaba
Takato Hatazoe
Takato Hatazoe