Adjustable length upper frame member for eyeglasses

Details Adjustable length upper frame member for eyeglasses Adjustable length upper frame member for eyeglasses

2007-07-24

2007-07-24

Dang, Hung Xuan (Department: 2873)

Optics: eye examining, vision testing and correcting

Spectacles and eyeglasses

Temples

C351S119000, C351S124000, C351S128000

Reexamination Certificate

active

11141474

ABSTRACT:
A frame assembly for eyeglasses is provided wherein the overall width of the eyeglass frame is adjustable by utilizing a telescoping brow bar. The upper frame member or brow bar is formed to include either a pair of telescoping or indexed joints allowing the length of the brow bar to be adjusted thereby placing the hinge points and temple bars further apart from one another. The adjustable length of the brow bar provides excellent adjustability of the overall width of the eyeglass frame in simple mechanical construction. Further, in a unique method of forming the adjustable brow bar assembly a central portion may be formed in a first molding step and an adjustable hinge section is then molded directly over the central portion in a second molding step. The present invention utilizes in-mold-assembly techniques to reduce the assembly steps required to form such an adjustable brow bar assembly while further resulting in an eyeglass frame that has increased adjustability and utility.

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