Title:
BUILDING SHUTTER DEVICE
Document Type and Number:
Japanese Patent JP2023125086
Kind Code:
A
Abstract:
To provide a shutter device for buildings capable of preventing a shutter curtain from falling off from a guide rail when the shutter curtain bends due to wind pressure as well as improving the smoke-blocking effect both indoors and outdoors.SOLUTION: The shutter device is configured so that a concave portion 6l, in which a locking portion 6j that locks on a locking receiving portion 2j is formed, is formed on the indoor side of a slat 6 to prevent the shutter curtain from coming off on the indoor side, and a smoke blocking material 10 is placed on the outdoor side of a guide rail 2 in contact with the outdoor side of the shutter curtain to block smoke.SELECTED DRAWING: Figure 2
Inventors:
AKATSUKA HIROKI
CHANG CHUN-WEI
CHANG CHUN-WEI
Application Number:
JP2022029018A
Publication Date:
September 07, 2023
Filing Date:
February 28, 2022
Export Citation:
Assignee:
SANWA SHUTTER CORP
International Classes:
E06B9/17; E06B9/15; E06B9/58
Attorney, Agent or Firm:
Tetsuo Hirose
Hidekazu Hattori
Yuko Suzuki
Hidekazu Hattori
Yuko Suzuki