PROTECTIVE HELMET Russian patent published in 2019 - IPC A44B11/25 

FIELD: means of individual protection.

SUBSTANCE: proposed invention relates to protective helmet, which contains housing (1) of helmet for at least partial covering of user's head and system (2) of belt fixation of protective helmet, which is connected to housing (1) of helmet to hold housing (1) helmet on user's head. System (2) of the belt helmet fastening contains chin strap (7) connected to helmet housing (1), the first fastening part (9), which is connected to helmet housing (1), and the second fastening part (11), which is connected with chin strap (7) and is made with possibility of bringing into fixed position with first part (9) of clasp with formation of clasp (8). Clasp (8) is made with possibility of its automatic unlocking from its first fixed position at application between parts (9, 11) of clasp of unlocking stretching force of specified value with separation of parts (9, 11) of clasp from each other. In the second locked position of clasp (8), first clasp part (9) and second clasp part (11) are always in fixed connection to each other regardless of tensile force acting between clasp parts (9, 11).

EFFECT: protective helmet is proposed.

11 cl, 12 dwg