A convertible furniture arrangement for a living quarters is provided. The convertible furniture arrangement includes a slide-out structure. The slide-out structure is adapted to move relative to the wall and the floor of the living quarters, and the slide-out structure includes a rear wall. A first seat assembly is carried by the slide-out structure and includes a first seat bottom. A second seat assembly is carried by the slide-out structure and spaced apart from the first seat assembly, and the second seat assembly includes a second seat bottom. A bed assembly is pivotably carried by the slide-out structure. The bed assembly includes a base and a mattress supported by the base. In a seating mode, the bed assembly is disposed between the seat assemblies and the rear wall. In a bed mode, the bed assembly overlies the seat bottoms.

A convertible furniture arrangement for a living quarters is provided. The convertible furniture arrangement includes a slide-out structure. The slide-out structure is adapted to move relative to the wall and the floor of the living quarters, and the slide-out structure includes a rear wall. A first seat assembly is carried by the slide-out structure and includes a first seat bottom. A second seat assembly is carried by the slide-out structure and spaced apart from the first seat assembly, and the second seat assembly includes a second seat bottom. A bed assembly is pivotably carried by the slide-out structure. The bed assembly includes a base and a mattress supported by the base. In a seating mode, the bed assembly is disposed between the seat assemblies and the rear wall. In a bed mode, the bed assembly overlies the seat bottoms.

A double-track vehicle, comprising upper and lower carriages, which are respectively a passenger carriage (1) for providing passenger seats and a cargo carriage (2) for placing cargo, the passenger carriage (1) and the cargo carriage (2) being respectively provided with a passenger door (3) for passengers to get on and off and a cargo door (4) for loading and unloading cargo. The vehicle carries out simultaneous transport of passengers and cargo, allowing for the function of the rail vehicle to no longer be singular and largely reducing transport and maintenance costs. At the same time, passenger transport and cargo transport are divided into two layers, which completely separates cargo transport and passenger transport, thereby providing passengers with a comfortable seating environment and improving seating safety.

A double-track vehicle, comprising upper and lower carriages, which are respectively a passenger carriage (1) for providing passenger seats and a cargo carriage (2) for placing cargo, the passenger carriage (1) and the cargo carriage (2) being respectively provided with a passenger door (3) for passengers to get on and off and a cargo door (4) for loading and unloading cargo. The vehicle carries out simultaneous transport of passengers and cargo, allowing for the function of the rail vehicle to no longer be singular and largely reducing transport and maintenance costs. At the same time, passenger transport and cargo transport are divided into two layers, which completely separates cargo transport and passenger transport, thereby providing passengers with a comfortable seating environment and improving seating safety.

A convertible furniture arrangement for a living quarters is provided. The convertible furniture arrangement includes a slide-out structure. The slide-out structure is adapted to move relative to the wall and the floor of the living quarters, and the slide-out structure includes a rear wall. A first seat assembly is carried by the slide-out structure and includes a first seat bottom. A second seat assembly is carried by the slide-out structure and spaced apart from the first seat assembly, and the second seat assembly includes a second seat bottom. A bed assembly is pivotably carried by the slide-out structure. The bed assembly includes a base and a mattress supported by the base. In a seating mode, the bed assembly is disposed between the seat assemblies and the rear wall. In a bed mode, the bed assembly overlies the seat bottoms.

A convertible furniture arrangement for a living quarters is provided. The convertible furniture arrangement includes a slide-out structure. The slide-out structure is adapted to move relative to the wall and the floor of the living quarters, and the slide-out structure includes a rear wall. A first seat assembly is carried by the slide-out structure and includes a first seat bottom. A second seat assembly is carried by the slide-out structure and spaced apart from the first seat assembly, and the second seat assembly includes a second seat bottom. A bed assembly is pivotably carried by the slide-out structure. The bed assembly includes a base and a mattress supported by the base. In a seating mode, the bed assembly is disposed between the seat assemblies and the rear wall. In a bed mode, the bed assembly overlies the seat bottoms.

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.

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.

A double-track vehicle, comprising upper and lower carriages, which are respectively a passenger carriage (1) for providing passenger seats and a cargo carriage (2) for placing cargo, the passenger carriage (1) and the cargo carriage (2) being respectively provided with a passenger door (3) for passengers to get on and off and a cargo door (4) for loading and unloading cargo. The vehicle carries out simultaneous transport of passengers and cargo, allowing for the function of the rail vehicle to no longer be singular and largely reducing transport and maintenance costs. At the same time, passenger transport and cargo transport are divided into two layers, which completely separates cargo transport and passenger transport, thereby providing passengers with a comfortable seating environment and improving seating safety.

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.