Patent ID: 6964452

Claim:
A vehicle seat for being attached to a vehicle structure and sat in by a user, the vehicle seat comprising: a first four-bar linkage, wherein first and second linkages of the first four-bar linkage are respectively (a) an understructure of the vehicle seat, wherein the understructure is for being connected to the vehicle structure, and (b) a middle structure of the vehicle seat; a seat cushion carried by the middle structure; and a backrest that extends upwardly from proximate the seat cushion while the vehicle seat is in a utilization position in which the user can sit in the vehicle seat, wherein the first four-bar linkage is operative so that the vehicle seat can be pivoted substantially as a whole from the utilization position to a boarding position, and while the vehicle seat is pivoted substantially as a whole from the utilization position to the boarding position simultaneously both (a) the backrest's configuration relative to the middle structure is maintained, and (b) the backrest's inclination relative to the vehicle structure changes, wherein the backrest is inclined forwardly, so that an upper portion of the backrest is positioned forward of a lower portion of the backrest, during the boarding position, and wherein the seat cushion and the middle structure respectively are first and second links of a second four-bar linkage of the vehicle seat, and the second four-bar linkage is operative so that the seat cushion is lowered relative to the middle structure while the vehicle seat is converted from the utilization position to a flat floor position.