The invention concerns a container lift comprising a lateral guiding device including at least a lateral column (10) and at least a carriage (9) guided in translation on the column (19); at least a double-function linear motor actuator (12) and at least an automatic retaining lock (45 to 55) adapted to lock the carriage (9) in high position. The lock comprises at least a locking member (49) co-operating with a locking seat (50) integral with the carriage (9), means (45, 46) for detecting pivoting movements of the grip box (4); and means (47) for controlling the locking member (49) in locking position when the grip box (4) is being tipped.
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