Patent ID: 8757797
Filing Date: 2014-06-24
Classification: G02C,Y10T

Abstract:
1. Elastic constraint system for a pair of eyeglasses, comprising: at least one inextensible flexible wire provided with two wire terminals to be engaged with two distinct portions of an eyeglasses front frame or temple bars, at least one of the wire terminals being provided with elastic means mounted preloaded and acting in opposition to a tensioning of said inextensible flexible wire, wherein the wire terminals of said wire couple with a front frame endpiece portion and with a temple bar, respectively, and a plurality of mutually coupled vertebrae, each vertebrae having a front surface (VA) and a rear surface (VB), a plane passing through respective centers of the front surface (VA) and the rear surface (VB) defining a longitudinal reference plane of each vertebra, each vertebra further comprising at least one hole or aperture extending between the front surface (VA) to the rear surface (VB) and located off-center with respect to the longitudinal reference plane, wherein the wire runs through the plurality of mutually coupled vertebrae via the at least one hole or aperture from the front surface (VA) to the rear surface (VB) with the wire located off-center with respect to the longitudinal reference plane.