Protective headgear equipment with respirator and optical...

Details Protective headgear equipment with respirator and optical... Protective headgear equipment with respirator and optical...

2003-06-10

2009-06-23

Yu, Justine R (Department: 3771)

Surgery

Respiratory method or device

Including body or head supported means covering user's scalp

C128S200270, C128S201170, C128S201240

Reexamination Certificate

active

07549420

ABSTRACT:
The invention concerns a protective headgear comprising a respirator (2) capable of being connected to a breathing mixture source, an eye protecting shield (5) and first (32) and second (56) lock elements, respectively located on the respirator (2) and on the shield (6) and adapted to co-operate with each other to secure the shield (6) to the respirator (2), when the respirator is in its use position on the user's face, the first (32) and second (56) lock elements being adapted to be mutually engaged and interlocked by a movement bringing the shield (6) closer to the respirator (2), from above.

REFERENCES:
patent: 3968793 (1976-07-01), Geissler
patent: 3971368 (1976-07-01), Forbes et al.
patent: 4774939 (1988-10-01), Disney
patent: 5630412 (1997-05-01), Dubruille et al.
patent: 5954052 (1999-09-01), McDonald et al.
patent: 6039045 (2000-03-01), Bertheau et al.
patent: 6085748 (2000-07-01), Sword et al.
patent: 6401716 (2002-06-01), Sword et al.
patent: 0 2 88391 (1988-01-01), None

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