Protective headgear equipment with respirator and optical...

A - Human Necessities – 62 – B

Patent

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Details

A62B 7/14 (2006.01) A62B 18/08 (2006.01)

Patent

CA 2675939

A head protective equipment comprises: - a breathing mask (2) connectable to a breathing-gas source and adapted to be applied, in a use position, around an user's nose and mouth, for supplying said user with breathing gas; - a shield (6) adapted to be applied around the user's eyes; and - first and second lock elements (28, 30, 38, 40), respectively located on said mask and on said shield, and adapted to cooperate with each other in order to secure said shield to said mask when said mask is in said use position around said user's nose and mouth, said first and second elements being adapted to create a snap- together connection, - said shield and said mask being adapted to be locked together by a two-step movement, the first step consisting in approaching the shield to the mask until said shield reaches said mask, and the second step being a substantially linear movement until locking.

L'invention concerne un équipement de protection de la tête comprenant : - un masque de respiration (2) pouvant être relié à une source de gaz respiratoire, conçu pour être appliqué, en position d'utilisation, autour du nez et de la bouche de l'utilisateur, de sorte à fournir à l'utilisateur le gaz respiratoire ; - un écran de protection (6) conçu pour être appliqué autour des yeux de l'utilisateur ; et - des premier et deuxième éléments de verrouillage (28, 30, 38, 40), disposés respectivement sur le masque et sur l'écran et conçus pour coopérer ensemble de sorte à fixer l'écran sur le masque en position d'utilisation autour du nez et de la bouche de l'utilisateur, ces premier et deuxième éléments étant conçus pour créer un raccord-pression. L'écran et le masque sont conçus pour être verrouillés ensemble par un mouvement en deux étapes, la première étape consistant à rapprocher l'écran du masque jusqu'à ce qu'il atteigne ce dernier, la deuxième étape consistant à effectuer un mouvement sensiblement linéaire jusqu'au verrouillage.

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