Fire protection sliding gate structure installed in building, has wall flap and cover flap whose pivoting movements are executed according to triggering of retaining device so as to open path of door leaf

摘要

The structure has a ceiling recess (7) that guides the door leaf (2) into top recess (6) housed above the wall opening (1). The wall recess (3) and ceiling recess are closed by a cover flap (10). The pivoting movements of wall flap (9) and the cover flap are executed according to the triggering of retaining device (11) so as to open the path of the door leaf. The retaining device (4) is coupled with wall flap, cover flap and door leaf.