Case for a clip-on spectacle shield

Details Case for a clip-on spectacle shield Case for a clip-on spectacle shield

1998-10-28

1999-09-07

Mai, Huy

Optics: eye examining, vision testing and correcting

Spectacles and eyeglasses

Combined

351 47, 206 5, G02C 100

Patent

active

059495170

ABSTRACT:
The present invention relates to a case (30) for a clip-on spectacle shield comprising a retainer guide (31) and two housings (35) arranged for receiving respective shield lenses of the clip-on shield where the connecting bridge of the clip-on shield extends from one housing to the other, said case being characterised in that the retainer guide is made of a dimensionally stable material, that the retainer guide is made to secure the housings and to support the connecting bridge of the clip-on shield in a well-defined orientation, that the housings are made of a resilient material and are configured to tightly enclose the shield lenses so as to ensure that the case is deformed elastically for an increased curvature when the clip-on shield is contained therein whereby the clip-on shield is secured elastically.

REFERENCES:
patent: 3559798 (1971-02-01), Jacobsen
patent: 3819033 (1974-06-01), Hueber
patent: 4000810 (1977-01-01), Leblanc
patent: 4863013 (1989-09-01), Eastman
patent: 5642177 (1997-06-01), Nishioka

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