US Patent 12129699 Door hinge device for vehicles

In a door hinge device for the vehicle, in the vehicle without a B pillar, the four-section link including the first link formed of the first vehicle body rod and the first door rod that are mutually hinged and the second link formed of the second vehicle body rod and the second door rod that are mutually hinged is applied between the vehicle body bracket and the door bracket fixed to each hinge portion of the vehicle body and the door, it enables the opening/closing operation of the door without a rotational interference with the vehicle body or other door.