Sectional door for installation in e.g. garages and industrial buildings, has tappets provided on sides of each door section and each motorized pulling unit installed within curvature of each door side rail

摘要

Tappets (6) are provided on the sides of each door section and on each motorized pulling unit (5) installed within the curvature (4) of each door side rail (1). The tappets on the door section side are connected positively to the pulling unit, while the tappets on the pulling unit side are positively connected to the door section side.