| 摘要 |
An interlockable magnetic shelter frame (20) is adapted for mounting on a primary spectacle frame (10) which comprises a frame body (11) for mounting a pair of lenses (121, 122) in position, wherein each side extension of the primary spectacle frame has an engagement device provided on a rear side thereof. The shelter frame for supporting two auxiliary lenses (201, 202) includes a bridge extended between the two auxiliary lenses, two side interlocking device which are provided at two outer sides of the two auxiliary lenses respectively for interlocking with the engagement device of the frame body of the primary spectacle frame so as to securely mount the shelter frame on the primary spectacle frame.
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