US Patent 8684222 Tray, in particular for catering purposes onboard aircrafts

A tray, in particular for catering purposes onboard aircrafts, including a tray body defining a receiving surface for receiving thereon items to be carried by use of the tray. The tray body includes an interlocking device for releasably engaging an interlocking device of the tray body of a similar tray, when at least two trays are positioned such that the receiving surfaces of the tray bodies are overlapping each other partially. The interlocking device of the trays interacting such that when one of the trays is drawn in a drawing direction, the other tray is moved along in the drawing direction.