| 摘要 |
The device has folding walls hinged to a base plate (2), where the folding walls forming sidewalls (3) and end walls (4) in pairs and opposite to each other. A swiveling device is provided for the sidewalls that fold on the end walls. Swivel arms (8) are provided for the end walls, where the swivel arms are connected with swivel drives (7) and including free longitudinal edges of the end walls. The swivel arms are supported movably in circular sheet guides (13), where axes of the circular sheet guides coincide with hinge axes (15) of the associated end walls. |
