Patent ID: 8684222

Claim:
At least two trays, the at least two trays being configured for being releasably interlocked when received on a tray storing trolley for catering purposes onboard aircrafts, comprising: a) the at least two trays including a first tray and a second, similar tray; b) the first tray including a first tray body defining a first receiving surface for receiving thereon items to be carried by the first tray, and the first tray body including a first interlocking device; c) the second tray including a second tray body defining a second receiving surface for receiving thereon items to be carried by the second tray; d) the second tray including a second interlocking device configured for releasably engaging the first interlocking device of the first tray body of the first tray; e) the first interlocking device being configured for releasably engaging the second interlocking device of the second tray body of the second tray, when at least the first tray and the second tray are positioned such that the first receiving surface of the first tray body is partially overlapping the second receiving surface of the second tray body, and the first and second interlocking devices of the first and second trays interacting such that when one of the first tray and the second tray is drawn in a drawing direction, the other one of the first tray and second tray is moved along in the drawing direction; f) the first interlocking device including a first substantially form-locking element; g) the second interlocking device including a second substantially form-locking element, the second interlocking device including at least a second protrusion located on an upper surface of the second tray body and a further second protrusion defining at least a second recess located on a lower surface of the second tray body; h) the first interlocking device including at least a first protrusion located on an upper surface of the first tray body and a further first protrusion defining at least a first recess located on a lower surface of the first tray body, and the at least a first protrusion engaging the at least a second recess of the second, similar tray, when the first and second tray bodies of the first and second trays are overlapping each other; i) an overlapping part of the first receiving surface of the first tray body extending between the at least a first protrusion and the further protrusion defining the first recess; j) an overlapping part of the second receiving surface of the second tray body extending between an upwardly extending free end of the second body and the further protrusion defining the at least a second recess located on the lower surface of the second tray body; k) the first and second tray bodies being manufactured from plastics; and l) the first and second tray bodies being a one-piece structure.