Patent ID: 6892422

Claim:
A spring-loaded hinge for eyeglasses with a center part and bows surrounding eyeglass lenses, comprising a housing having a guide surface, at least one spring element, at least one hinge element having a hinge eye and an upper guide surface oriented for contacting said guide surface of said housing for facilitating longitudinal movement therealong and having adjacent guide surfaces positioned opposite said upper guide surface where said adjacent guide surfaces are joined by a step of selected height, and a locking element formed with a first strip-shaped section configured to provide a guide area of a width corresponding to said height of said step and along which one of said adjacent guide surfaces of said hinge element is slidingly movable, a second strip-shaped section configured to provide a locking tab that is elastically deformable and a flat portion positioned between said first strip-shaped section and said second strip-shaped section having an opening for receiving a spring pin.