Search International and National Patent Collections

1. (WO2018139901) DEVICE FOR OPENING AND CLOSING SMOKE VENTILATION WINDOW

Pub. No.:    WO/2018/139901    International Application No.:    PCT/KR2018/001191
Publication Date: Fri Aug 03 01:59:59 CEST 2018 International Filing Date: Sat Jan 27 00:59:59 CET 2018
IPC: E05F 15/614
E05F 15/72
Applicants: CHANGILELT CO., LTD.
주식회사 창일이엘티
Inventors: LEE, Jung Ook
이정욱
Title: DEVICE FOR OPENING AND CLOSING SMOKE VENTILATION WINDOW
Abstract:
A device for opening and closing a smoke ventilation window according to an embodiment of the present invention includes: a first opening-closing rod having one end connected, so as to be slidably movable, to one among a window and a window frame of a smoke ventilation window that opens and closes in a hinged manner, and having the other end rotatably connected to the other one among the window and the window frame; a second opening-closing rod having one end rotatably connected to a central portion of the first opening-closing rod; and an opening-closing mechanism which is disposed on the other one among the window and the window frame and rotatably connected to the other end of the second opening-closing rod, and which moves the other end of the second opening-closing rod to open and close the smoke ventilation window.