Safety glasses with flexible frame and dual interchangeable...

G - Physics – 02 – C

Patent

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Details

G02C 1/00 (2006.01) G02C 11/08 (2006.01)

Patent

CA 2535302

Safety eyewear (10) having interchangeable lens(es) (28, 30) is provided. To provide for interchange of the lenses (28, 30) in the frame (12), upper and lower frame members (32, 34) are molded from a harder, more rigid plastic while lateral temple portions (20, 22), and a central nose bridge portion (18) are molded from a softer, more elastic material. The entire frame structure (12) is preferably molded as a unitary piece to form a unitary frame having rigid upper and lower frame portions (32, 34) joined by flexible intermediate portions (18, 20, 22). In this regard, the upper and lower frame portions (32, 34) can be flexed or stretched relative to each other to temporarily separate the frame portions (32, 34) and open up the lens openings (24, 26).

Cette invention concerne des lunettes de protection (10) munies d'un ou plusieurs verres interchangeables (28, 30). Pour permettre d'échanger les verres (28, 30) dans la monture (12), les éléments de monture supérieurs et inférieurs (32, 34) sont moulés à partir d'un plastique dur et rigide tandis que les parties branches latérales (20, 22) et une partie pont de nez central (18) sont moulées à partir d'un matériau plus mou et plus élastique. La structure de la monture (12) complète est de préférence moulée en une pièce unitaire afin qu'on obtienne une monture unitaire comportant des parties de monture supérieures et inférieures rigides (32, 34) reliées par des parties intermédiaires souples (18, 20, 22). Les parties de monture supérieures et inférieures (32, 34) peuvent ainsi être fléchies ou étirées l'une par rapport à l'autre afin de séparer temporairement les parties de monture (32, 34) et d'ouvrir les ouvertures des verres (24, 26).

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