Dissection actuator for sealing door openings of buildings e.g. garages, has guide rollers guided in guide rail, where guide rollers are displaced from one position of guide rail to another position of guide rail by actuating cover drive

摘要

The actuator has flexibly connected closure units that are movable between opening and closing positions utilizing a cover drive (7). Guide rollers are provided at an upper closure unit and guided in a guide rail (11). Width of the guide rollers is larger than diameter of the guide rollers. The guide rollers are displaced from one position of the guide rail to another position of the guide rail by actuating the cover drive.