Spreadable bar for eyeglass frames provided with a spring hinge

Details Spreadable bar for eyeglass frames provided with a spring hinge Spreadable bar for eyeglass frames provided with a spring hinge

1981-06-29

1984-05-15

Corbin, John K.

Optics: eye examining, vision testing and correcting

Spectacles and eyeglasses

Connectors

351113, G02C 516

Patent

active

044485026

ABSTRACT:
There is disclosed a spreadable bar for eyeglass frames provided with a spring hinge, this latter being fixed to the bar and including a guiding and hinging portion fixed to the eyeglass frame, wherein the guiding and hinging portion is made from a flexible material and at least another portion of the hinge, i.e. the hinge covering portion or casing is made from a synthetic material, such as nylon, polyamide resins, possibly filled with fiberglass and the like.

REFERENCES:
patent: 3034402 (1962-05-01), Alberetti
patent: 3744887 (1973-07-01), Dunbar

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