interconnected for concurrent movement

Full Title

Special arrangements or measures in connection with doors or windows ( ; screening or similar protective devices E06B9/00) > for providing ventilation, e.g. through double windows; Arrangement of ventilation roses (airflow control members per se F24F13/08) > Louvre doors, windows or grilles > with rotatable lamellae > interconnected for concurrent movement

Child Classifications

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• E06B 7/088 with facing protective grille or safety guard
• E06B 7/09 mounted in movable wing, e.g. door
• E06B 7/092 operable in two or more distinct sets
• E06B 7/094 operable in sequence; characterised by additional independent movement
• E06B 7/096 operated or interconnected by gearing (wing operators with gearing in general E05F11/00)
• E06B 7/098 with weather seal