Base of box for roller blind boxes has movable part, which is connected with stationary part without use of screws and in traction power transmitting manner by mechanical locking system, in particular click-system

摘要

The base of box (2) has a stationary part (2a) and a movable part (2b), which is locked by an inspection opening. The movable part is connected with the stationary part without the use of screws and in a traction power transmitting manner by a mechanical locking system (7), in particular click-system. An independent claim is also included for the roller blind boxes.