Abstract
A load-handling device for lifting and moving containers is provided. The load-handling device comprises a body having an upper portion configured to house one or more operation components, and a lower portion comprising a container-receiving space. The load handling device comprises a container-gripping assembly configured to releasably grip a container and a raising and lowering assembly configured to raise and lower the container-gripping assembly. The raising and lowering assembly comprises a single motor configured to raise and lower the container-gripping assembly, and a rotatable shaft. The single motor is mounted outboard of the shaft. A storage and retrieval system is provided, comprising a storage structure and a plurality of load handling devices.