Protective eyewear with adjustable strap

G - Physics – 02 – C

Patent

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Details

G02C 3/00 (2006.01) A61F 9/02 (2006.01) A61F 9/04 (2006.01) A61F 11/14 (2006.01) G02C 5/14 (2006.01) G02C 11/08 (2006.01)

Patent

CA 2252672

Safety eyewear (10) is presented which is provided with particulate sealing (22) around a frame containing lens/lenses and having temples (14, 16) that provide adjustment of the eyewear to a pantoscopic angle. The eyewear (10) is provided with an adjustable strap assembly for better fit to the wearer's head. The eyewear lens/frame includes a plurality of projections that define various pantoscopic angles. The temple and piece includes a set of recesses that engage the projections formed on the lens/frame which temple and piece is rotated relative to the lens/frame to set the pantoscopic angle. The adjustable strap assembly further adjust the fit of the eyewear and can be unbuckled for snaplocked attachment of the eyewear (10) directly to other safety equipment such as noise suppression ear muffs, communication head phones, breathing masks and the like. A plurality of ventilation channels is disposed on the frame to provide indirect ventilation.

L'invention concerne des lunettes (10) de sécurité, qui présentent un joint particulaire (22) autour d'une monture comportant un/des verre(s) et dotée de branches (14, 16) permettant le réglage des lunettes selon un angle pantoscopique. Ces lunettes (10) sont pourvues d'un ensemble lanière réglable, pour une meilleure adaptation à la tête du porteur. L'ensemble verre/monture des lunettes comporte plusieurs saillies définissant plusieurs angles pantoscopiques. L'embout de branche comporte une série d'évidements qui viennent en prise avec les saillies formées sur l'ensemble verre/monture. On tourne cet embout de branche par rapport à l'ensemble verre/monture afin d'établir l'angle pantoscopique. L'ensemble lanière réglable, qui sert à ajuster l'adaptation des lunettes, peut également être décroché pour permettre une fixation à déclic des lunettes (10) directement à un autre équipement de sécurité, tel qu'un casque antibruit, des écouteurs d'appareil de communication, un masque respiratoire ou tout équipement analogue. On place sur la monture plusieurs passages de ventilation pour assurer une ventilation indirecte.

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