(under subclass 90) Subject matter wherein each lens frame is formed by an inner metallic rim combined with and covered by an outer nonmetallic rim.
(1) Note. The combined rims are usually split at their temporal sides and the metallic rim carries rim locking and temple supporting means. However, each lens frame may comprise a split outside metallic rim combined with an inside continuous nonmetallic rim or vice versa, for resiliently and accurately mounting a lens in the frame.
