Protective system for face and respiratory protection
Assignee3M Innovative Properties Company
InventorsSusan G. Danisch, Michael R. Berrigan, Patrick H. Carey, Jr.
Life of this patent
Estimating the term…
Abstract
The present invention provides a portable protective system for protecting a wearer, and for protecting the environment about the wearer. The protective system includes a face shield coupled with a head cradle for supporting the face shield on the wearer's head. The face shield and a wearer's face substantially define a breathing zone charged by a battery-powered blower carried on the head cradle. An bag-like inlet filter element encompasses the blower to provided filtered air to the breathing zone, and an outlet filter element is operably associated with the face shield.
Claims5
A protective device, comprising:
- a head cradle and a face shield attached to said head cradle wherein the head cradle has a free end and a length extending generally between the free end and the face shield, at least a portion of the length being curved wherein the curve of the head cradle is adapted to conform to a user's top and back head regions, and the free end is adapted to engage the user in a region generally beneath the user's occipital protuberance.
Dependencies are inferred from the claim text.