Climbing device for automated article storage system

The present invention relates to an automated article storage system comprising: an automatically guided trolley with first hooking means, and a rack comprising a plurality of storage layers and a vertically moving column, and said vertically moving column comprising: a first moving lifting means (31, 32, 33) configured for vertically moving the first automatically guided trolley (4A, 4B), a second moving lifting means (32, 33) configured for vertically moving the first automatically guided trolley (4A, 4B), and a third moving lifting means (32, 33) configured for vertically moving the second automatically guided trolley (4A, 4B), and-second moving lifting means (31, 32, 33) adjacent to the first lifting means (31, 32, 33), said second lifting means being configured to vertically move the second automatically guided trolley (4A, 4B) independently of the movement of the first automatically guided trolley (4A, 4B), the first lifting means (31, 32, 33) and/or the second lifting means (31, 32, 33) comprising seco