Eyeglass devices with removable auxiliary lenses or frames

Details Eyeglass devices with removable auxiliary lenses or frames Eyeglass devices with removable auxiliary lenses or frames

1998-06-30

1999-11-09

Dang, Hung Xuan

Optics: eye examining, vision testing and correcting

Spectacles and eyeglasses

With antiglare or shading

351 57, G02C 900

Patent

active

059800364

ABSTRACT:
An eyeglass device includes a frame supporting first and second lenses therein. The frame includes support hooks and latch assemblies that permit the securing of third and fourth lenses to the frame over a respective first and second lens. Alternatively, an auxiliary frame is fastened to the frame using securing members attached to the auxiliary frame, the frame, or both the auxiliary frame and the frame.

REFERENCES:
patent: 3238005 (1966-03-01), Petitto
patent: 3422449 (1969-01-01), Rinnman
patent: 4070103 (1978-01-01), Meeker
patent: 4196981 (1980-04-01), Waldrop
patent: 4304469 (1981-12-01), Solomon
patent: 4357080 (1982-11-01), Solomon
patent: 5181051 (1993-01-01), Townsend et al.
patent: 5321442 (1994-06-01), Albanese
patent: 5416537 (1995-05-01), Sadler
patent: 5568207 (1996-10-01), Chao
patent: 5696571 (1997-12-01), Spencer et al.
patent: 5737054 (1998-04-01), Chao

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