| 摘要 |
An eyeglass frame assembly for coupling clip-on auxiliary spectacles to primary spectacles. The primary spectacles having a pair of cavities formed on the inside surface of rear extensions and the clip-on spectacles having a pair of pins mounted to the outside surface of a pair of hinged extensions, wherein the pins are capable of positively engaging the cavities by exerting outward forces. The hinged extensions allow the clip-on spectacles to swing up and to place the auxiliary lenses mounted within the clip-on spectacles to be outside the vision path of the user.
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