Patent ID: 7152974
Filing Date: 2006-12-26
Classification: G02C

Abstract:
1. A spectacle set, comprising a primary spectacle frame and a detachable shelter frame adapted for detachably mounting in front of said primary spectacle frame, wherein: said primary spectacle comprises two lenses, a primary bridge extended from two inner sides of said lenses respectively, and two side extensions provided at two outer sides of said lenses for coupling a pair of temples respectively; and said detachable shelter frame comprises: two shelter lenses; a shelter bridge extended between two inner sides of said shelter lenses; and a mounting arrangement, which comprises: two supporting arms rearwardly extended from two end portions of said shelter bridge to spacedly and rigidly ride on said primary bridge at said two inner sides of said lenses respectively, wherein said two supporting arms not only align said shelter lenses with said lenses respectively but also substantially support a weight of said detachable shelter frame at said primary bridge when said detachable shelter frame is mounted in front of said primary spectacle; and a retention member rearwardly extending to apply an urging force against said primary bridge to engage with a rear side of said primary bridge when said detachable shelter frame is mounted in front of said primary spectacle so as to substantially retain said detachable shelter frame in position.