DOOR DESIGNED WITH POSSIBILITY OF OPENING IN CASE OF STRUCTURAL DAMAGE TO BUILDING Russian patent published in 2018 - IPC E06B5/10 E06B5/12 

FIELD: construction.

SUBSTANCE: door has front surface (2), rear surface (3), vertical side on the hinge side and vertical side (4, 5) on the lock side with lock bolt (6). Also, the door has main portion (8) in which the lock is located and at least one end portion (9, 30), both said door portions being delimited by said front and rear surfaces (2, 3), vertical sides (4, 5), on the side of the hinges and on the side of the lock, and surface (10) inclined downward from front surface (2) to rear surface (3). On said inclined surface (10), several shock absorbers are arranged to enable end sections (9, 30) of the door to be displaced relative to its main portion (8). When release rod (23) for unlocking lock (6) is moved upwards by the action of springs (27), due to said displacement, lock bolt (6) is moved back into said door lock and secured in the unlocked position.

EFFECT: door is proposed that is designed to be opened in case of structural damage to the building.

8 cl, 11 dwg