Frame structure for eyeglasses having a spring-hinge

Details Frame structure for eyeglasses having a spring-hinge Frame structure for eyeglasses having a spring-hinge

1997-02-26

1998-10-06

Mai, Huy

Optics: eye examining, vision testing and correcting

Spectacles and eyeglasses

Temples

351114, 351153, 16228, G02C 516

Patent

active

058185674

ABSTRACT:
Disclosed is an improved frame structure for glasses using two counter joint pieces loosely coupled with a screw. One of these joint pieces is fixed to the rim projection, and the other joint piece is fixed to the temple, and these joint pieces are pulled toward each other under the resilient influence, which is caused by the spring plate of the joint piece on the temple side, thereby assuring the stable folding and unfolding of the temples on the front, still permitting each temple to move a short distance from the 90 degree-wide unfolding or linear-alignment with the rim projection like the "Spring Hinge".

REFERENCES:
patent: 3713731 (1973-01-01), Gardner
patent: 3923384 (1975-12-01), Leblanc
patent: 4995713 (1991-02-01), Curto et al.

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