Auxiliary frames with clamping members including resilient mecha

Details Auxiliary frames with clamping members including resilient mecha Auxiliary frames with clamping members including resilient mecha

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, G02C 900

Patent

active

058836896

ABSTRACT:
An eyeglass device includes a primary frame having two side studs. The studs each has a recess. An auxiliary frame for disposing in front of the primary frame includes two sides each having a clamping member for engaging with the stud and for securing the auxiliary frame to the primary frame. The clamping members each includes a channel for engaging with the stud and each includes a spring member having one or more bulges for engaging with the stud and for securing the auxiliary frame to the primary frame. The bulges may engage with the recesses of the studs.

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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