Optics: eye examining – vision testing and correcting – Spectacles and eyeglasses – With antiglare or shading
Patent
1998-02-12
1999-12-28
Dang, Hung Xuan
Optics: eye examining, vision testing and correcting
Spectacles and eyeglasses
With antiglare or shading
351 57, G02C 900
Patent
active
060071974
ABSTRACT:
The present hook is a deformable hook for removably securing a monocular screen to an eyeglass. The hook includes a first end portion for fixing to said screen, a second end portion for contacting with a peripheral surface of said eyeglass, and a central portion interconnecting the first and second end portions and for passing over an edge surface of the eyeglass. The first and second end portions include a pin portion extendable through an orifice in a periphery of the screen. The hook is a solid body, and the first end portion is preferably of a rectilinear shape extending along a longitudinal axis.
REFERENCES:
patent: 3600069 (1971-08-01), McNeil
patent: 4824234 (1989-04-01), Sparks et al.
patent: 5017001 (1991-05-01), Kooketsu
patent: 5123724 (1992-06-01), Salk
patent: 5654785 (1997-08-01), Shih et al.
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