Seat for carrying children in cars

A seat (1) for carrying children in cars, comprising a supporting base (5) for a seat cradle (2) provided with a sitting surface (3) and with a back (4) and with means for adjusting the inclination of the seat cradle with respect to the base, which comprise a substantially curved guide (8), which is associated with the base (5) and in which the sitting surface (3) is engaged slidingly, and means (17) for removably locking the sliding of the sitting surface in the guide (8), which comprise at least one recess (18), which is formed in the base (5) and is substantially transverse with respect to the guide, and at least one locking pin (19), which can be inserted in, and extracted from, the recess (18) and is associated with an actuation lever (20), which is connected below the sitting surface (3) so that it can slide toward and away from the back (4) in a direction that is parallel to the sitting surface (3).