Combining device for main lens and attached lens

• Main Author: DANYI WU
• Format: Patent
• Language: English
• Published: 03.11.2004
• Edition: 7
• Subjects: CONTACT LENSES; OPTICS; PHYSICS; SPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURESAS SPECTACLES

The utility model discloses a combining device for a primary lens and an auxiliary lens and the combining device is arranged on the primary lens and the auxiliary lens; wherein, a lens bracket is hinged with a two lens legs, a center still and two nose supports. A first lens is arranged between he lens legs and the center still. An auxiliary bracket is hinged with the center still and also is provided with a second lens. The lens bracket is provided with a concave cavity for holding a first magnet, and the magnetism jointing plane of the first magnet is arranged close to the surface of the directions for the eyes. The auxiliary bracket is also provided with a concave cavity for holding a second magnet body, and the magnetism jointing plane of the second magnet is arranged close to the surface of the directions for the eyes, too. Through the magnet jointing, the auxiliary lens is combined with the back part of the primary lens. And the center still bracket of the auxiliary bracket is arranged on the two nose supports of the lens bracket. The back surface of the auxiliary bracket is also jointed with a cycle of buffering pad. The device can ensure that only one layer structure can be directly observed after the two parts are combined. The design and manufacturing difficulty of the auxiliary lens is reduced, and the lens bracket selected materials of a sport type glasses can not be limited. Therefore, the utility model has the advantages of improving the quality of the glasses, prolonging the application lifetime and improving the styled design.