(under subclass 103) Subject matter wherein the lenses are attached to the mounting as by channel-like straps clamping the nasal edges of the lenses or by small arms which engage the upper surface of the peripery of the lenses, but without the use of screws, rivets, or other fasteners extending through the lens.
SEE OR SEARCH THIS CLASS, SUBCLASS:
149, for connectors having a projection which engages a lens recess.