US Patent 7857259 Modular seat system for a vehicle

A modular seat system for a passenger compartment of a vehicle, in particular an aircraft, with at least one seat which includes a seat unit with a seating element and a seat back, a seat frame with at least one pair of essentially vertical support elements, at whose upper end a bearing structure is arranged on which the seat unit rests, and a fixing structure in the floor of the passenger compartment with at least two longitudinal rails, which have a predetermined spacing from one another, for accommodating the lower ends of the support elements.