| 摘要 |
A pin-jointed structure connected between a cover member and a base member of a mobile electronic device is disclosed to include a pivot holder affixed to the base member, a mounting plate affixed to the cover member and pivoted to the pivot holder, and a spring plate connected between the mounting plate and a boss of the cover member for buffering the drawing force between the pivot holder and the mounting plate to prevent breaking of the boss of the cover member when the cover member is opening from or closing on the base member.
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