US 7,600,871 B2
Clip-on sunglasses and method of manufacture thereof
Henry Welling Lane, San Luis Obispo, Calif. (US); and Eric Rhea, San Luis Obispo, Calif. (US)
Assigned to Dioptics Medical Products, Inc., San Luis Obispo, Calif. (US)
Filed on Jul. 11, 2007, as Appl. No. 11/827,395.
Prior Publication US 2009/0015783 A1, Jan. 15, 2009
Int. Cl. G02C 9/00 (2006.01)
U.S. Cl. 351—47  [351/57; 264/250] 25 Claims
OG exemplary drawing
 
1. Clip-on sunglasses adapted to be mounted to eyeglasses, the clip-on sunglasses comprising:
first and second lenses, each having retainer prongs positioned at an outer portion of each lens, the retainer prongs configured to engage an outer edge of the eyeglasses; and
a bridge structure comprising first and second base portions affixed at inner portions of each of the first and second lenses, each base portion comprising a protrusion, and the bridge structure comprising an elastic spanning member molded over the protrusions thereby being affixed to the first and second base portions.