Auxiliary frames with ears and lateral projections

Details Auxiliary frames with ears and lateral projections Auxiliary frames with ears and lateral projections

1997-04-28

1999-03-16

Dang, Hung Xuan

Optics: eye examining, vision testing and correcting

Spectacles and eyeglasses

With antiglare or shading

351 57, G07C 900, G07C 708

Patent

active

058821015

ABSTRACT:
An eyeglass mechanism includes a primary frame having two side studs for pivotally coupling two legs. An auxiliary frame for disposing in front of the primary frame includes two sides each having an extension for engaging over the stud. The extensions each may include a magnet for engaging with another magnet engaged in the leg or with the magnetic leg and for securing the auxiliary frame to the primary frame. The extensions each includes a hook for securing to the legs without the magnets.

REFERENCES:
patent: 4070103 (1978-01-01), Meeker
patent: 5568207 (1996-10-01), Chao
patent: 5642177 (1997-06-01), Sunreeve
Documents describing Twincome in a Patent Opposition Proceeding in Germany initiated by Pentax, on or around Apr. 30, 1997.

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