US Patent 10513205 Passenger compartment for commercial passenger transportation vehicles

A passenger compartment for commercial passenger transportation vehicles is provided. The passenger compartment includes multiple twin cabins, each twin cabin including two passenger cabins. The two passenger cabins including a first cabin and a second cabin identical to the first cabin. The second cabin is installed on top of the first cabin such that the second cabin is shifted towards front of the first cabin as much as half the length of the first cabin. Each of the first and the second cabin includes at least one passenger seat, and the passenger seat converts to a bed.