Abrégé

A drive unit (10) for a foldable safety barrier boom (100) having a drive motor (12), in particular a drive motor (12) with a brake; a threaded spindle (16) which is coupled with the drive motor (12) such that the rotational movement of the output of the drive motor (12) is transmitted to the threaded spindle (16), and which is coupled with a spindle nut (18), such that it linearly moves along a slide guide (21) arranged in parallel to the threaded spindle (16) upon rotation of the threaded spindle (16); a slide (20) which is fixedly coupled with the spindle nut (18); and a coupling joint (27), in particular in the form of a coupling rod (27), which is jointly provided at the slide (20) for jointly coupling the slide (20) to a barrier arm (110) of the safety barrier boom (100).

Classes IPC  ?

• E01F 15/12 - Barrières continues s'étendant le long des routes ou entre les voies de circulation et comportant des moyens ménageant un passage occasionnel, p. ex. pour des véhicules de secours