| 摘要 |
The present invention relates to a folding frame and a control unit for sunglasses attachable to a cap so that the sunglasses can be folded according to the shape of the visor on the cap when the sunglasses are attached to the cap. The disclosed invention is characterized in that: the center of the frame of the sunglasses is separated by a hinge, and a wire spring is used. Accordingly, when the user folds the sunglasses, the sunglasses are bent according to the shape of the visor. However, when the user wears the sunglasses, the sunglasses return to their original position. Due to this invention, all kinds of sunglasses can be applied to the cap regardless of the shape of the visor.
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