Securing device for holding window roller shutter taut

摘要

The securing device comprises a pull rod (1), a push rod (2) and a lock (3). The strips which make up the roller shutter are pressed against each other and against the windowsill. The pull rod is tightly secured by a locking screw (4) on the lock. The pull rod is inserted through an opening in the upper strip of the roller shutter. The push rod slides through a guide plate (6) on the pull rod. The push rod is inserted into a blind hole in the lock. A thrust plate (7) on the push rod is pushed against the upper window frame with the lock.