Child seat arrangement

Claim 1

A child seat apparatus for a vehicle, the vehicle having a vehicular seat, seat back, and a seat belt associated with the vehicular seat, the child seat apparatus comprising: (a) a seat section, substantially in a block shape so as to fit on a vehicular seat and on a vehicular seat back, having a transverse opening through which a vehicular seat belt can be extended so as to fasten the seat section to the vehicular seat and vehicular seat back; (b) a protective support substantially in a block shape, detachably placed on the seat section, releasably bound to the seat section, and being adjustable in height relative to the seat section, the protective support having a first body so as to fit to the child's body, a cushioning member covering at least part of the first body, and an elongated opening through which a support belt is extended so as to bind the protective support to the seat section; (c) a belt device, having a support belt, a combination buckle and tongue interposed in the belt, and a retractor retracting the belt, for binding the protective support to the seat section and capable of rotating the protective support with one end of the protective support as a center so as to release the protective support from the seat section, both sides of the seat section having upward projections respectively, the seat section having an inner space accommodating the retractor, both sides of the protective support having downward projections disengagably engaging the upward projections of the seat section respectively, the engagement between the projections limiting horizontally frontward movement of the protective support relative to the seat section.