Passenger seat having a bucket seat structure and adjustable position

Seat (100) for a passenger cabin of a vehicle comprising a bucket seat (10),

• said bucket seat comprising a seat pan (11) and a back rest (12) attached to said seat pan with which said back rest determines a dihedron with a constant angle, a head rest (121) attached to said back rest, and wherein the bucket seat (10) is integral with a base (20),
• said bucket seat being mobile, between a sitting position “a” in which the seat pan (11) is approximately horizontal and a resting position “r” in which the back rest (12) is pivoted rearward by an angle A relative to the sitting position “a,” in rotation relative to said base around a pivoting axis (21), approximately fixed relative to said base, located above the seat pan (11) and in front of the back rest (12) when the bucket seat is in the sitting position “a,”
• wherein the base (20) forms a box that is open toward the front and that houses the bucket seat, and the head rest (121) is attached hinged to the back rest (12) to avoid interference with a structure of the base (20).