Patent ID: 7237840

Claim:
A child seat comprising: a base unit fixed onto a seat of a vehicle by using a seat belt of the vehicle; and a seat unit including a seat cushion portion and a seat back portion and fixable onto the base unit in a forward attitude with respect to the seat of the vehicle, the forward attitude being defined as a manner that the seat cushion portion is located in front of the seat back portion, wherein a waist belt portion of the seat belt can be inserted in a lateral direction of the seat of the vehicle between the base unit and the seat cushion portion placed on the base unit, and a waist belt guide for inhibiting the movement of the base unit forward of the seat of the vehicle by hooking the waist belt portion inserted between the base unit and the seat cushion portion is provided in the base unit so as to hold the waist belt portion at a position nearer a fore end than the center in a longitudinal direction of the base unit, and the base unit is provided with a base body fixed to the seat of the vehicle and a slider disposed in a positionally adjustable manner in the longitudinal direction with respect to the base body, the seat cushion portion is fixed to the slider and the waist belt guide is fixed to the base body.