Auxiliary frame securing mechanism

Details Auxiliary frame securing mechanism Auxiliary frame securing mechanism

1998-01-13

1999-07-27

Dang, Hung Xuan

Optics: eye examining, vision testing and correcting

Spectacles and eyeglasses

With antiglare or shading

351 57, G02C 708

Patent

active

059299649

ABSTRACT:
An eyeglass device includes a primary frame having two studs formed in the sides. The studs each has an opening. An auxiliary frame for disposing in front of the primary frame includes two hooks formed in the sides for engaging with the opening of the stud. A securing mechanism includes a spring-based latch for engaging with the hook and for securing the hook to the stud. A pair of legs are pivotally coupled to the studs. A pair of spring-biased balls may engage with the legs for securing the legs to the studs.

REFERENCES:
patent: 5568207 (1996-10-01), Chao

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