US Patent 6962383 Vehicle seat

A vehicle seat 1 includes a seat unit, a lift-up unit and a long-sliding unit. The lift-up unit moves the seat unit between an interior and an exterior of a vehicle via a door opening portion that corresponds to a passenger seat position. The long-sliding unit moves the seat unit between a driver's seat position and the fellow passenger seat position. The lift-up unit moves the seat unit downward when the seat unit is positioned at the driver's seat position, so that the seat unit is located at a suitable position for driving.