Patent ID: 7510242

Claim:
A child seat having a seat portion and a back portion in which the back portion is provided with a shoulder belt guide for guiding a shoulder belt of a seat belt of a vehicle from around the shoulder to the chest of a sitter comprising: a belt guide position adjusting mechanism for changing the position of the shoulder belt guide in the left and right directions of the back portion, wherein the shoulder belt guide is movably mounted in the left and right directions relative to a body of the back portion, wherein the belt guide position adjusting mechanism comprises a slider which can be integrally moved with the shoulder belt guide in the left and right directions, a restricting member which can be moved between a restriction position adjacent to the slider and a restriction releasing position separated from the slider, a biasing member for biasing the restricting member toward the restriction position, and a manipulating member having a manipulating portion exposed on the outer surface of the back portion which causes the restricting member to move from the restriction position to the restriction releasing position by manipulating the manipulating portion, wherein a base portion of the shoulder belt guide is disposed at the rear surface side of the back portion, a guide groove for receiving the base portion of the shoulder belt guide is provided in the body of the back portion, and the slider is embedded in the body of the back portion so as to be located at the front side of the back portion relative to the base portion, and wherein a lock protrusion is provided on any one of the slider and the restricting member, and a plurality of lock receiving portions, which is engaged with the lock protrusion when the restricting member is disposed at the restriction position and is released from the lock protrusion when the restricting member is disposed at the restriction releasing position, is provided on the other of the slider or the restricting member in line along the left and right directions.