HELMET WITH PNEUMATIC ADJUSTMENT

I have found out that all manufacturers of different helmets have same problem with optimal adjustment of the helmet on the head. The helmets are adjusted by means of different clamps buckles and bands which are not easy and they also have many disadvantages such as: loose adjustment does not guarantee safety and adjustment whitch is too tight obstrusts the circulation of the blood and thus lessents the psycho-physical capability of the user, while the optimal adjustment does not make the user feel comfortable at the beginnung and he has to get used to it. That is also the reason why most users do not adjust the helmet optimally.
I have come to a solution by using internal protective pads which are made of soft and elastic materials, but their function is only to eliminate strokes. The pads filled with air would perform two functions: protection against strokes and multi-level adjustment of the helmet due to volume increase.	HOW IT WORKS -
I have equipped the inner part of the helmet with air pads whitch protect the head and enable adjustments at the chin, temple and vertex (crown of the head). The air is filled into pads by a mechanical pump or a pump driven by an electric motor. The venting valve enables optimal adjustments with a wery simple movement of the hand. By pressing the button-valve is used to set optimal adjustment.
The helmet is fixed on the head despite the head fact that there are no clamps or bucklets to be used for adjustment. The is only one size of the helmet which can be adjustment to any size of the head. It is very simple to use and it can be quickly adjusted, which are qualities not known at other helmets. The production costs are also lower because there is only one size, one type of pads and other parts. Pneumatic mechanism is very simple, used and well known for their practical usability.