US Patent 10370107 Arced rail for aircraft tray table

A tray table configured to transition between a stowed position within a stowage module to a deployed position outside of the stowage module by way of an arced rail having rail heads, and a plurality of tray table wheels and stowage module wheels arranged to mesh with the rail heads. The tray table follows an arcuate path between the stowed and deployed positions and remains horizontal in all positions of the tray table.