Patent ID: 6607270
Filing Date: 2003-08-19
Classification: G02C

Abstract:
A clip-on accessory mountable on eyeglasses having a pair of optical lenses fitted onto a frame, said clip-on accessory comprising:a pair of filter lenses for filtering out harmful radiation or for optical correction; a bridge interconnecting the filter lenses to position those lenses in registration with the optical lenses when the accessory is mounted on the eyeglasses; and at least one clip anchored on a margin of a filter lens, each clip having a leg, a ledge at one end of the leg to support the margin of the filter lens, an arm at the other end of the leg that curves over the frame of the eyeglasses to retain the clip-on, and a small transverse hook, which is much shorter than the ledge, formed on the leg to engage the margin to resist dislodgment of the clip.