Spectacle frames
OwnerBernard Augeinventor
Life of this patent
Estimating the term…
Abstract
Spectacle frames comprise substantially flat front part holding the lenses, hinges lying between the front and rear surfaces of the front part and connecting to thin flexible metal temples terminating in thickened ear pieces. Means are provided for holding the temples flat against the front part of the spectacles when they are in folded position.
Claims8
In a frame for spectacles comprising a substantially flat front part in which two lenses are mounted, and two temples pivotally connected to said front part by means of hinges located at opposite sides of the front part, said hinges lying between the planes containing the front and rear surfaces of the front part of the spectacles, said temples having a main part made of a thin material terminating in thicker free ends, and means for holding the thin parts of the temples against the rear surface of the front part of the spectacles when in folded position, the improvement according to which each hinge has a pivotal axis at a fixed acute angle to the axis of symmetry of said spectacles, with the upper end of said pivotal axis further from said axis of symmetry than its lower end, and the end of each temple is offset with respect to the rest of the temple in a direction parallel to the axis of the corresponding hinge by a distance substantially equal to the width of the main part of the temple adjacent said hinge.
Dependencies are inferred from the claim text.