Auxiliary lens assembly with spring-loaded attachment to...

Details Auxiliary lens assembly with spring-loaded attachment to... Auxiliary lens assembly with spring-loaded attachment to...

2005-11-29

2005-11-29

Dang, Hung Xuan (Department: 2873)

Optics: eye examining, vision testing and correcting

Spectacles and eyeglasses

With antiglare or shading

C351S057000

Reexamination Certificate

active

06969170

ABSTRACT:
An eyewear assembly comprises a primary lens assembly that includes a primary frame that secures a pair of primary lenses in position relative to one another and a pair of primary extensions, each positioned on an outer periphery of the primary frame. Each of a pair of arms, is connected to one of the primary extensions by a hinge. An auxiliary lens assembly includes an auxiliary frame that secures a pair of auxiliary lenses in position relative to one another and a pair of auxiliary extensions, each positioned on an outer periphery of the auxiliary frame. A lug is carried on each of the primary extensions and moveable on and relative to the extension, each lug adapted to receive a portion of one of the pair of auxiliary extensions, wherein the auxiliary lens assembly is removably secured to the primary lens assembly and the auxiliary lens assembly moves with the lugs.

REFERENCES:
patent: 3238005 (1966-03-01), Petitto
patent: 3252747 (1966-05-01), Robins
patent: 4070103 (1978-01-01), Meeker
patent: 5376977 (1994-12-01), Liu
patent: 5416537 (1995-05-01), Sadler
patent: 5568207 (1996-10-01), Chao
patent: 5737054 (1998-04-01), Chao
patent: 6089708 (2000-07-01), Ku
patent: 6474811 (2002-11-01), Liu
patent: 6601953 (2003-08-01), Xiao
patent: 6820976 (2004-11-01), Ifergan

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