| 摘要 |
<p>The clip (1), molded from a plastic material, consists of a base (2) with projecting front (3), rear (4) and additional (7) walls forming two notches (5, 8) to engage with the edges of an auxiliary lens and a main spectacle lens. The inner surface (6) of the auxiliary lens notch (5) is inclined at an angle of some 80 degrees to the rear wall (4) of the notch. <??>The clip (1), molded from a plastic material, consists of a base (2) with projecting front (3), rear (4) and additional (7) walls forming two notches (5, 8) to engage with the edges of an auxiliary lens and a main spectacle lens. The inner surface (6) of the auxiliary lens notch (5) is inclined at an angle of some 80 degrees to the rear wall (4) of the notch. In a variant two lens clips can be connected by a transverse bar, preferably of stainless steel.</p> |
