F - Mech Eng,Light,Heat,Weapons – 41 – H
Patent
F - Mech Eng,Light,Heat,Weapons
41
H
2/73.1, 137/1.5
F41H 1/00 (2006.01) A42B 3/22 (2006.01) A42B 3/28 (2006.01) A61F 9/06 (2006.01) A62B 18/00 (2006.01)
Patent
CA 1234252
-15- ABSTRACT OF THE DISCLOSURE The ergonomic helmet means according to the invention comprises a pump equipped with a control system simultaneously ensuring the supply of air to the helmet and the manipulation of the vizor. This control system has an operative position ensuring the lowering of the vizor, its maintenance in the lowered position and normal ventilation, as well as an inoperative position ensuring the raising of the vizor, its maintenance in the raised position and reduced ventilation forming a screen around the operator's face. Application to the protection of personnel working in a dust atmosphere.
470903
Commissariat A. L'energie Atomique
Goudreau Gage Dubuc
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