To provide a doorway device of an elevator hall equipped with a manual screen closing device capable of reducing the cost by simplifying the installing structure of the screen closing device.
The doorway device of the elevator hall includes the manual screen closing device 7 fitted in a vertical frame 3 as a constituent part of a three-side frame of a type where a smoke/flame shutoff screen is installed, and a single piece installing constitution is accomplished. This eliminates necessity for installing the manual screen closing device 7 on the wall of the elevator hall separately from the jamb 3, eliminates necessity for conducting the examination about the fitting arrangement with a building wall and also a preparatory work for installation, and allows reducing the installation cost and also enhancement of the design quality of the wall surface of the hall.
NOMURA KENJI
NISHIMURA NOBUHIRO
Masuo Oiwa
Toshihide Kodama
Takenaka Ikuo
Next Patent: PRINTED MATTER SORTING DEVICE AND PRINTED MATTER SORTING METHOD