Patent ID: 6310735
Filing Date: 2001-10-30
Classification: G02B

Abstract:
A securing assembly, comprising:a mount;an optical element positioned in a centered manner in the mount, the optical element being provided, in a border region which is to be retained, with a beveled surface inclined in the direction of the mount;a groove, in the mount, which is open axially in front of the optical element; anda ring element, which is elastically deformable in the axial direction of the mount, pressed in between the beveled surface and groove, whereinan angle of inclination of the beveled surface is between 40.degree. and 50.degree.;a boundary of the groove in the region of the optical element is level with a bevel edge of the beveled surface which is oriented toward the mount, and a boundary of the groove in front of the optical element is undercut at an angle of from 10.degree. to 15.degree.,the depth of the groove is greater than the radius of the ring element by from 0.15 to 0.2 mm, anda free opening between a bevel edge of the beveled surface which is located toward a centerline of the optical element and a front edge of an undercut boundary of the groove is equal to 0.8 of the diameter of the ring element.