Belt winder for obscuration device e.g. rolling shutter has insert which is ready for operational state and insert is exchangeable by another insert and replaceable insert provides for one section of belt inlet

摘要

The belt winder (1) has a casing (2) with a winding wheel rotating around an axis of rotation. It has an insert (9), which is ready for operational state, and insert is exchangeable by another insert (10). The replaceable insert provides at least one section of belt inlet (8). An independent claim is also included for the replaceable insert.