| 摘要 |
A back support device (60) for use in a children's chair (1) is disclosed. It is used in conjunction with and existing detachable safety bow (100) which holds it in place. The children's chair comprises at least one backrest (3, 4), two side pieces (5), one seat plate (2) and the safety bow (100) with ends (101). The backrest (3, 4) or the side pieces (5) have at least one opening or groove each to accept the back support device (60) and bow (100). The back support device (60) has left and right arms to at least partly inlay into the opening(s) or groove(s) in the backrest (3, 4) or the side pieces (5). The ends of the arms of the back support device (60) are locked in the opening(s) or groove(s) by the safety bow (100). The back support device (60) may have a top part (61) increasing the effective height of the backrest (3, 4).
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