Patent ID: 6588893
Filing Date: 2003-07-08
Classification: G02C

Abstract:
A pair of glasses comprising:a frame member which supports a glass having a front surface and a rear surface opposite to the front surface; a through hole formed in an end portion of the glass, and extending from the front surface to the rear surface of the glass; a mount groove formed in one of the front and rear surfaces of the glass, and extending from the through hole to an end edge of the glass, a lower portion of the mount groove being defined by a converging wall; a mount element provided at an end of the frame member, and having a through hole arranged coaxially with the through hole of the glass; a fastening device having a fastening bolt provided with a threaded shaft portion passing through the through hole of the glass and through the through hole of the mount element and a nut engaging with the threaded shaft; and a retaining projection formed on the frame member and extending along the mount groove from near the mount element, the retaining projection having a leading end which comes into contact with the converging wall of the mount groove at at least two points when the frame member is fastened on the glass by the fastening device.