The present invention relates to automated storage and retrieval system comprising: a track system comprising a first set of parallel tracks arranged in a horizontal plane and extending in a first direction, and a second set of parallel tracks arranged in the horizontal plane and extending in a second direction which is orthogonal to the first direction, which first and second sets of tracks form a grid pattern in the horizontal plane comprising a plurality of adjacent grid cells, each comprising a grid opening defined by a pair of adjacent tracks of the first set of tracks and a pair of adjacent tracks of the second set of tracks; a plurality of stacks of storage containers arranged in storage columns located beneath the track system, wherein each storage column is located vertically below a grid opening; a plurality of container handling vehicles for lifting and moving storage containers stacked in the stacks, the container handling vehicles being configured to move laterally on the track system above the storage columns to access the storage containers via the grid openings, wherein each of the plurality of container handling vehicles has a footprint with a horizontal extension which is equal to or less than the horizontal extension of a grid cell and comprises: a wheel assembly for guiding the container handling vehicle along the track system and a container-receiving storage space arranged within the footprint of the container handling vehicle for accommodating a storage container. Each container handling vehicle comprises a protruding section which extends horizontally beyond the footprint of the container handling vehicle and, when the container handling vehicle is positioned above a grid cell, into a neighbouring grid cell.The present invention also relates to a container handling vehicle for such an automated storage and retrieval system.


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    Title :

    Automated storage and retrieval system


    Contributors:

    Publication date :

    2023-03-07


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    B65G TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS , Transport- oder Lagervorrichtungen, z.B. Förderer zum Laden oder Abladen / B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen / B61B RAILWAY SYSTEMS , Eisenbahnanlagen / B66C Krane , CRANES



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