Shield for clipping onto a pair of eyeglasses

Details Shield for clipping onto a pair of eyeglasses Shield for clipping onto a pair of eyeglasses

1997-10-09

1999-07-06

Dang, Hung Xuan

Optics: eye examining, vision testing and correcting

Spectacles and eyeglasses

With antiglare or shading

351 57, G02C 900

Patent

active

059203692

ABSTRACT:
A clip-on shield (6) for spectacles (1) adapted for securing shield lenses (7) in front of the lenses (4) of the spectacles is provided with a connecting bridge (8) between the lenses provided with an engagement tongue (12) that engages behind the connecting bridge (3) of the spectacles, and is designed to transmit force from the shield which is oriented centrally relative to the symmetrical plane of the spectacles. The shield is guided by the abutment of a friction surface at each shield lens on the front of the spectacles and optionally by a guide pin (9) at each shield lens, said guide pin engaging with the spectacles. A spring means is arranged to bias the engagement tongue against the back of the spectacle's connecting bridge and the shield lenses towards the front of the frame of the spectacles.

REFERENCES:
patent: 3600069 (1971-08-01), McNeill
patent: 4890910 (1990-01-01), Gazeley
patent: 4955707 (1990-09-01), Gazeley

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