Eyeglass appliance having clamping members

Details Eyeglass appliance having clamping members Eyeglass appliance having clamping members

1997-04-28

1999-03-02

Dang, Hung Xuan

Optics: eye examining, vision testing and correcting

Spectacles and eyeglasses

With antiglare or shading

351 57, G02C 900

Patent

active

058778381

ABSTRACT:
An eyeglass appliance 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 and the leg. The extensions each includes 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 clamping member 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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