Saddle-shaped spectacle bridge

Details Saddle-shaped spectacle bridge Saddle-shaped spectacle bridge

1983-04-04

1989-04-18

Bovernick, Rodney B.

Optics: eye examining, vision testing and correcting

Spectacles and eyeglasses

Bridges

351131, 351136, G02C 502

Patent

active

048221597

ABSTRACT:
It is proposed to embed in a saddle-shaped spectacle bridge made of silicone and provided with two wings, a cross member connecting the wings, respectively one spectacle rim groove in the frontal external longitudinal zone of the wings--the groove having a bottom surface and a rear surface which is approximately vertical thereto--and with a fastening hole which is provided in the cross member from the front thereof a metal spring, whose cross-section extends in the shape of a bell, with the cross piece thereof in the cross head and to provide the two legs thereof, which have a curvature to the outside, in a wing each as a ridge, the untensioned position of the spring having a greater dimension of expansion than corresponds to the position of use of the saddle-shaped bridge and the spring being arranged behind the groove.

REFERENCES:
patent: 2354603 (1944-07-01), Malcom
patent: 2582345 (1952-01-01), Moeller
patent: 4243306 (1981-01-01), Bononi

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