Temple bar with ball and socket hinge and method of making same

Details Temple bar with ball and socket hinge and method of making same Temple bar with ball and socket hinge and method of making same

G - Physics

02

C

G02C 5/14 (2006.01) G02C 5/22 (2006.01)

Patent

CA 2561382

A novel hinge assembly for eyeglasses (10) is provided wherein a first structural member (73) for the hinge structure is formed in a first molding step and a second structural member (71) of the hinge structure is formed directly over a portion of the first structural member (73) in a second molding step. The present invention utilizes in-mold-assembly techniques to reduce the assembly steps required to form such a hinge assembly while further resulting in a hinge assembly that has increased adjustability and utility. Specifically, the overmolded components form a ball and socket type joint allowing a large degree of lateral rotation in one direction and a limited amount of freedom in a second direction. This hinge allows the temple portion (18) of the eyeglasses (10) to be folded against the brow bar (12) and the inclination angle between the temples (18) and the brow bar (12) to be adjusted.

L'invention concerne un nouvel ensemble charnières pour lunettes (10), dans lequel un premier élément structurel (73) pour la structure charnière est formé dans une première étape de moulage et un second élément structurel (71) de la structure charnière est formé directement sur une partie du premier élément structurel (73) dans une seconde étape de moulage. L'invention utilise des techniques d'assemblage dans le moule pour réduire les étapes d'assemblage nécessaires pour former ledit ensemble charnière, ce qui permet de créer un ensemble charnière qui présente un ajustage et une utilité améliorés. De manière plus spécifique, les composants surmoulés forment un joint de type emboîtement, et une bille, ce qui augmente le degré de rotation latérale dans un sens et permet une liberté limitée dans un second sens. La charnière permet de plier la partie branche (18) des lunettes (10) contre la barre d'arcade (12) et l'angle d'inclinaison entre les branches (18) et la barre d'arcade (12) peut être ajusté.

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