公开(公告)号：US20230399887A1

公开(公告)日：2023-12-14

申请号：US18033823

申请日：2021-10-27

Applicant: VERANDA PLUS e.K.

Inventor： Bekim MAZREKU

IPC: E06B3/70 ,  E06B3/32 ,  E06B5/12

CPC classification number: E06B3/70 ,  E06B3/325 ,  E06B5/125 ,  E06B2003/7046

Abstract: A closing body allows closing and opening an access opening or a passage of a room in case of a pressure difference between an interior and exterior of the room. A closing fitting set and a door leaf are disclosed, by means of which closing fitting set and door leaf a closing body can be formed. The closing body is in the form of a pivotable door, a pivotable window or a pivotable flap. A valve device is provided on the closing body, which valve device effects a temporary pressure equalization during the opening or closing of the closing body. The valve device is in the form of a valve flap, and a release mechanism is provided, which opens the valve device. A locking fitting is provided for the closing body, and the release mechanism is coupled, for actuation, to the locking fitting of the closing body.