Patent ID: 7073904

Claim:
A spectacle frame comprising a frame face on which two sides are articulated by telescopic hinges allowing the sides to move from a stable open position, in which the hinge-side end, called the â€œproximal endâ€, of the sides is parallel and in immediate proximity to the hinge-side end, called the â€œproximal endâ€, of a stub forming part of the frame face, the said proximal ends defining a meeting plane, passing between the knuckles of the said hinge, to an unstable over-opened position, by pivoting about a bearing point lying in the said meeting plane, the sides having an external surface and an internal surface, and the frame having a plane of symmetry, that is orthogonal to the general plane of the frame face, wherein the said bearing point is located closer to the said plane of symmetry, than the external surface of the sides, measured at the level of the said meeting plane.