Sun-glasses attachment for pair of spectacles has frame of sun-glasses fixed to framework of spectacles, with connecting wedges fitting into holders

摘要

The frame (2) of the sun-glasses attachment is fixed to the framework(1) of a pair of spectacles. The frame has a prism-shaped connection (3) in the form of a wedge on each side of the frame. The connections fit into matching holders (3') on the framework.