US Patent 9950828 Baggage conveyance tray

A baggage conveyance tray suitable for a sorting conveyor system for conveying baggage at airports has raised wall plate portions protruding on the front and rear both end portions of the tray in the length (conveyance) direction thereof extending in the right-left width direction of the tray. A baggage placement surface located between the front and rear both raised wall plate portions is concave along the length direction such that the central portion in the right-left width direction is lowered while the right and left both sides are raised. Elongated protrusion portions extending along the right-left width direction of the tray are disposed on the baggage placement surface at intervals in the length direction of the tray.