Patent attributes
A vehicle with a passenger area having a seat disposed therein and an opening of the passenger area on the right or left sides of the seat. The vehicle frame includes an opening frame portion defining the opening of the passenger area. The opening frame portion comprises a lower attachment portion for attaching a hinge of a first door to the opening frame portion, and an upper attachment portion for attaching a hinge of a second door to the opening frame portion. The lower attachment portion and the upper attachment portion are portions formed by at least one of machining and welding. The lower attachment portion is formed in the main body frame of the vehicle frame, and the upper attachment portion is formed in the case of the vehicle frame.
