Child safety seat

A child safety seat comprising:

• a support base suitable for placement on a vehicle seat, the support base including an anchoring portion and a bearing portion connected with each other, the anchoring portion having a belt path for passage of a fastening belt to attach the child safety seat on a vehicle seat;
• a rotary platform pivotally connected with the bearing portion of the support base about a pivot axis;
• and
• a child seat connected with the rotary platform, wherein the child seat, the rotary platform and the bearing portion are movable in unison relative to the anchoring portion, and the child seat and the rotary platform are rotatable in unison as a seat unit relative to the support base between a plurality of positions including a forward facing position, a rearward facing position and a sideways facing position;
• wherein the support base further includes a first and a second flange portion vertically spaced apart from each other, the second flange portion being located below the first flange portion and each of the first and second flange portions having a curved shape that extends transversally from a left to a right side of the support base, the seat unit comprised of the child seat and the rotary platform being respectively engaged with the first and second flange portions in the forward facing position with the first flange portion located adjacent to a shoulder support region of the child seat, and the seat unit being engaged with the second flange portion and disengaged from the first flange portion in the rearward facing position.