Lightweight ventilated face shield frame

A - Human Necessities – 41 – D

Patent

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Details

A41D 13/00 (2006.01)

Patent

CA 2524570

A lightweight face shield which protects the face of the wearer from debris and/or hazardous materials, such as biological materials, and is particularly well suited for medical and dental applications. The face shield utilizes a two-piece tiered structure with a preferably canted retention frame joined through an inclined structure member to a shield frame member below which is retained a transparent shield, and above which a minishield. The shield frame member is retained forward of the retention frame member so as to retain the peripheral portions of the shield separated from the face of the user, providing improved ventilation and reduced fogging of the transparent shield. A trampoline style support arm is described that provides solid retention, compliant comfort, and reduced material requirements. Optional locking hinge assemblies for the support arms and a nose bridge are also described.

L'invention concerne un écran facial léger destiné à protéger le visage de l'utilisateur contre des débris et/ou des matières dangereuses, par exemple des matières biologiques, et particulièrement adapté à des applications médicales et dentaires. L'écran facial comprend une structure étagée en deux parties avec un cadre de retenue, de préférence incliné, connecté par un élément structurel incliné à un élément de support de l'écran en dessous duquel est retenu un écran transparent, et au-dessus duquel est placé un mini-écran. Ledit élément de support de l'écran est retenu à l'avant de l'élément de retenue de manière à retenir les parties périphériques de l'écran séparées du visage de l'utilisateur, ce qui permet d'obtenir un écran transparent mieux ventilé, avec une formation de buée réduite. L'invention concerne également un bras de support de type tremplin garantissant une retenue solide, un confort adapté, et des besoins en matériaux réduits. L'invention concerne en outre des ensembles d'articulation de verrouillage pour les bras de support, ainsi qu'un pont.

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