Eyeglass temple bar retaining means

Details Eyeglass temple bar retaining means Eyeglass temple bar retaining means

1980-11-17

1983-06-21

Corbin, John K.

Optics: eye examining, vision testing and correcting

Spectacles and eyeglasses

Temples

351158, 351156, G02C 514, G02C 100, G02C 300

Patent

active

043891020

ABSTRACT:
A temple bar restraining means for eyeglass frames comprising one or more ear-engaging cords which extend between the distal and proximate ends of each of the temple bar ear hook portions or spatulas, and which project thereacross in chordal fashion so as to receive the thrust of the rear portions of the outer ear cartilages of conchas and thus yieldingly draw the eyeglass frames rearwardly on the forehead so as to prevent the frame from slipping with consequent eyeglass lens misalignment. Provision is made for selective application of the elastic cords to various points on the hook portion to vary the chordal relation, and provision is also made for varying the chordal tension at the time of cord application. In a modified form, both the chordal tension and the effective direction of cord application to the external ear may be adjusted after initial cord application. In another modification, the elastic ear-engaging chord is created by use of a slitted elastic spatula sock or boot instead of a cord.

REFERENCES:
patent: 3266111 (1966-08-01), Abel
patent: 3917387 (1975-11-01), Ensing

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