| 摘要 |
The box has a casing (1) and arranged in its inside is a collapsing roller shutter shaft (2), and an up packing unit (8) for the roller shutters. A guide (13) is provided which is arranged in a side cover (5) of the box casing. The shaft reaches through to the guide or coupler which takes up the roller shutters. The shaft is arranged as a coupler and connects with the packing unit. The coupler has an outer circumference bearing ring (16), which is stored in the side cover. The guide has a flange (19), which cooperates with a thrust ring (20) in the side cover. |
