| 摘要 |
PROBLEM TO BE SOLVED: To stably support a child by reclining a seat back when the child (a baby) is sat down. SOLUTION: The seat back 5 is arranged in a fellow coccupant seat body 4 so as to be reclinable with a lower hinge means 21 as a fulcrum, and a moderating means 22 is arranged for holding a recilining angle.
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