Child vehicle seat

A child vehicle seat, comprising:

• a seat portion having a bottom surface;
• a chassis supporting the seat portion on a top surface;
• a backrest connected to the seat portion;
• a pivot connecting the backrest to the seat portion to permit the backrest to be pivotally adjusted with respect to the seat portion;
• at least one element disposed on one of the bottom surface of the seat portion or the top surface of the chassis;
• and
• at least two recesses defined in one of the top surface of the chassis or the bottom surface of the seat portion,
• wherein the at least one element engages one of the at least two recesses, thereby securing the seat to the chassis in one from at least two positions,
• wherein the at least two recesses comprise a first recess and a second recess, the first recess defining a first reclined position for the backrest when the at least one element engages the first recess, and the second recess defining a second reclined position for the backrest when the at least one element engages the second recess,
• wherein the first recess is defined by a first projecting edge, angled at a first angle with respect to horizontal, and the second recess is defined by a second projecting edge, angled at a second angle with respect to horizontal, and
• wherein the first angle is not equal to the second angle.