Conveyor installation for package containers - is suitable for rectangular containers and may be stacked in two alternative positions

A conveyor installation is for storage or package containers having rectangular shapes or where the stacking process may be carried out in two alternative positions. Such a packaging container permits the use of palettes for mass produced articles and can be made of plastics, cardboard, timber or other suitable materials. The packaging elements have two guide devices fitted opposite to each other such as walls or guide rails, these guides or parts of them being adjustable into two different positions with the aid of a control element. The installation includes guide elements, contact elements and sensor elements co-ordinated in their operation.