Patent ID: 6036312
Filing Date: 2000-03-14
Classification: A61F,G02C

Abstract:
A protective eyeglass assembly comprising:a unitary, decentered lens piece integrally molded from a transparent plastic material, said lens piece including; (a) left and right lens panels each including a medial edge and a lateral edge, and each further having a lens body with a front surface and a rear surface, the front and rear surfaces defining a lens thickness therebetween, the front surface conforming substantially to a portion of the surface of a sphere having a first center, the rear surface conforming substantially to a portion of the surface of a sphere having a second center being offset from one another to taper the lens thickness, (b) a central bridge portion connecting said left and right panels and (c) a left side shield and a right side shield extending rearwardly from respective left and right side extremities of said left and right lens panels, said left and right side shields being constructed and arranged to provide protection against peripheral injury to a wearer's eyes;a support member constructed and arranged to support the lens piece on the wearer and including a left and a right temple bar extending rearwardly from side edges of said left and right side shields and supported by said left and right side shields; andwherein the unitary, decentered lens piece is readily removable from the support member such that the lens piece may be easily interchanged with other unitary lens pieces by the wearer.