G - Physics – 02 – C
Patent
G - Physics
02
C
G02C 9/04 (2006.01)
Patent
CA 2378770
This invention relates to an almost invisible method of fastening and unfastening sunglass frames to eyeglass frames. By the use of elongated slots molded into the back of the eyeglass frames, on each side of the nose bridge and just above the nose rests. Guides above the slots that follow the contour of the eyeglass frame lead into them. Friction spring arms insert into the slots and lock the sunglasses in place. The friction arms are an extension of a spring that applies pressure to the sunglass nose bridge inside the spring and bridge housing and allows the sunglasses to flip up and or serve as a visor by staying in any position the user desires from 0 to 180 degrees.
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