Ergonomic helmet means

Details Ergonomic helmet means Ergonomic helmet means

1984-12-26

1986-02-25

Feldbaum, Ronald

Apparel

Guard or protector

For wearer's head

2424, 21713, A42B 100

Patent

active

045717419

ABSTRACT:
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.

REFERENCES:
patent: 2122923 (1938-07-01), Yettner
patent: 2402820 (1946-06-01), Kitchen
patent: 2688962 (1954-09-01), Sommers
patent: 3540058 (1970-11-01), LoGuidice
patent: 3649964 (1972-03-01), Schoelz et al.
patent: 3657740 (1972-04-01), Cialone
patent: 3692974 (1972-09-01), Thomason et al.
patent: 4227520 (1980-10-01), Lord
patent: 4293757 (1981-10-01), Niemi

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