Driving device for a displaceable divider element

摘要

A traveling assembly portion has head piece which is detachably connected to drive unit. The drive unit has electric motor (43) and gearing arrangement (44), such that the drive shaft running parallel to load shaft emerges upward from the drive unit and toothed gear (91) mounted on the drive shaft engages the toothed belt (51) retained above the running surface of the rail. Independent claims are also included for the following: (1) drive assembly; and (2) divider element.