| 摘要 |
The invention relates to a method of storing and retrieving load-bearing units (16) and a conveyor trolley with a load-bearing means (12) to accommodate a trolley (21), having a platform (40) for receiving a load-bearing unit (16), in particular a pallet, as and when necessary, which is equipped with bogie assemblies (30) with height and lateral guide elements (31) for storing and retrieving the load-bearing unit (16), and the height guide elements (31) are displaceable along at least one guide track (23) on the load-bearing means (12) and are linked to at least one displacement drive (30) to initiate the displacement motion of the load-bearing means (12), and the displaceable platform (40) is linked to a drive (41). The height guide elements (31) co-operate with at least one displacement mechanism (48), which has a first non-operating position in which the height guide elements (31) of the trolley (21) are supported on the height guide tracks (32), and at least one other conveying position in which the height guide elements (31) are disengaged from the height guide tracks (32), and the height guide elements (31) displaceably bear and support at least one load-bearing unit (16) by means of the displacement drive (39) as and when necessary.
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