US Patent 8118365 Vehicle seating

In an example embodiment, a vehicle seating arrangement includes a fore-facing lower seat convertible between a sitting position and a lie flat sleeping position in a lower horizontal plane, an aft-facing lower seat convertible between a sitting position and a lie flat sleeping position in the lower horizontal plane, and a fore-facing upper seat positioned between the fore-facing lower seat and aft-facing lower seat, the fore-facing upper seat convertible between a sitting position and a lie flat sleeping position in an upper horizontal plane. The seats may be arranged so that portions of the fore-facing lower seat and aft-facing lower seat underlap the fore-facing upper seat when the seats are positioned in the lie-flat sleeping position.