(under subclass 124) Subject matter wherein the bridge has lens or lens-rim supporting means laterally extending from the ends of the bridge.
(1) Note. In the embodiment here the bridge may be detachable from the lens supports, or may be interconnected with supports having ball-sockets, segmental attaching plates or spring arms.
SEE OR SEARCH THIS CLASS, SUBCLASS:
140+, for connectors joining a bridge to the lens or rim.
SEE OR SEARCH CLASS
403, Joints and Connections, appropriate subclasses for joints and connections generally, especially 52+, for articulated connections.