Patent ID: 7832854

Claim:
A device for fixing a mount member for spectacles, having a lug for the articulation of a spectacle arm or a central nasal support bridge to a lens of said spectacles, said lens comprising at least one pair of holes for the locking of said mount member, the device comprising at least one pair of bush members rigidly connected to one another and provided with respective axial holes, there being provided in the mount member a pair of pin-type appendages capable of being inserted into the respective holes of the bush members subject to the introduction of these latter into the corresponding holes in the lens, so that each bush member is interposed between an inner surface of the respective hole in the lens and a corresponding outer surface of the respective pin-type appendage, each pin-type appendage having localized protuberances on the outer wall and capable of deforming the corresponding coupling surface of the bush member, characterized in that it comprises at least one relief protruding from the outer wall of each pin-type appendage and extending with a helical course in the axial direction of the corresponding pin-type appendage, wherein at least one of the bush members comprises a plurality of second annular channels provided in the outer surface of the bush member, said channels being coaxial with the axis of the pin-type appendage and mutually spaced from one another.