Four-wheeled goods trolley has pivot on one side allowing second trolley to be engaged with and aligned parallel to it and system of interlocking ribs and grooves on each side locking trolleys together

摘要

The four-wheeled goods trolley has a pivot (40) on one side which allows a second trolley to be engaged with it and aligned parallel to it. A system of interlocking ribs and grooves (24) on each side locks the trolleys together.