| 摘要 |
PURPOSE: A portable glasses case is provided to be folded back again after the glasses case is used by using the lock function. CONSTITUTION: The knob(130) which the user can draw is connected to the support stand of the glasses case(131). The glasses case is driven into the body(160) by spiral spring. The glasses case is fixed after being released with the glass ball(150) and fixed plate(140). The glasses case is restored by the recess shape formed between the body and the fixed plate.
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