| 摘要 |
A seat assembly for baby carriages comprising a backrest and a head guard which are connected to each other, and a seat shaping member abutting against the back surface of the backrest. The seat shaping member is installed so as to be turned as the angle of inclination of the backrest is changed. The seat shaping member controls the position of the backrest such that when the backrest is in its relatively raised state, substantial alignment between the backrest and head guard is obtained, with the head guard being relatively lowered. If it is deformed into a bed form, the bent state of the backrest and head guard is obtained and the head guard performs its inherent function as a head guard.
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