HELMET FOR PROTECTION MEANS Russian patent published in 2007 - IPC A42B3/04 A42B3/08 A61F9/06 

FIELD: protection means for protecting of user from influence upon user's face and head of corrosive medium, light or ionic radiation and also from mechanical effects.

SUBSTANCE: helmet for protection means has lower and upper belts made from resilient flexible material, with branches of belts being connected by means of respective belt length adjustment devices. Protrusions are provided at belt joining sites. Central opening is formed in each of said protrusions for attachment of helmet to protection means. Each protrusion is provided with face and shoulders on its lateral sides and adapted for receiving of connection device for connecting protection means with helmet. Lower belt adjustment device consists of hollow casing wherein lower belt branches are movably positioned. Toothed bushing positioned on shaft located within casing is meshed with teeth provided on lower belt branches. Toothed bushing rotating handle is connected with toothed bushing and is cooperating with blocking device positioned within casing and adapted for blocking of handle and toothed bushing in operating position of helmet. Upper belt adjustment device consists of a plurality of apertures provided in first branch of this belt and arranged along branch on its longitudinal axis. First branch is positioned within guides of second branch. Guides are positioned on opposite sides relative to longitudinal axis of first branch, and retaining protrusion provided on second branch of upper belt is adapted for usage with said plurality of apertures of first branch of upper belt.

EFFECT: increased safety and reliable attachment of protection means on user's head.

6 cl, 11 dwg