SEAT ASSEMBLY OF VEHICLE

A seat assembly of a vehicle may include a support having a lower end portion connected to a floor of the vehicle; a seat frame having a connection portion provided above the support and having an entire slope which is changed by a curvature of the connection portion when the connection portion is slid, the connection portion being formed in a curved line or a curved surface; and a seat mounted on the seat frame and configured for implementing reclining by having a slope which is changed together with the seat frame when the seat frame is slid on the support.