US Patent 7540606 Eyeglasses structure

An eyeglasses structure includes an eyeglasses main body, and an eyeglasses accessory; the eyeglasses main body has several detainment holes on a rim thereof; the eyeglasses accessory has several embedded posts corresponding to the detainment holes of the rim of the eyeglasses main body to be embedded in the detainment holes respectively; each of the embedded posts having at least one gaps on one end thereof that is inserted in a corresponding said detainment hole; owing to the gaps, the embedded ends of the embedded posts are contractible and resilient, and they will tend to spring back to their original position to be tight in the detainment holes without possibility of falling off after they are inserted in the detainment holes.