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The invention relates to a protective helmet, in particular a military protective helmet, with a fixed helmet shell, an inner lining fixed to the helmet shell and intended to be placed on the head of the helmet wearer, and with buttons. Mushroom-shaped fixing system, rotationally symmetrical, arranged on a base plate, installed on both sides of the outer face of the helmet cap, and serving as a fixing means for auxiliary equipment.
Protective helmets of this type are necessary in the military field, but also in the civil field, for example as helmets for firefighters or the police.
For special uses, such helmets are used with auxiliary equipment, such as respiratory protection masks, night vision devices, hearing protection, protective glasses against dust, among others. The appropriate attachment of these auxiliary equipment to the head of the helmet wearer is generally relatively complicated.
For a respiratory protection mask, the attachment is known, on the internal face of the helmet cap, of clasps which serve for the reception of elastic bands of the respiratory protection mask, in a similar manner to the clasps known for chinstrap.
Ear protectors are however regularly fixed on the head of the helmet wearer by a separate bracket, the helmet wearer only placing and fixing the helmet afterwards. The fitting of the ear protection therefore requires removing the headphones and then putting them back on.
Night vision devices are common-
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passed over the head by a fabric cap which is provided with a counterweight in the neck region, to compensate for the torque caused by the relatively heavy night vision device and not have to take it up completely by the musculature of the neck. The helmet must be removed to remove the fabric cap.
Dust protection glasses or laser protection glasses are passed over the external face of the helmet by a rubber strap. On the one hand, this type of attachment is not protected against sliding or displacement, and on the other hand it prevents a safe and firm fitting of the glasses device in the eye region of the helmet wearer.
The known fixing possibilities are therefore not optimal, and their handling has disadvantages.
The definition of the problem arising from known solutions, and which the invention must solve below, therefore consists in improving the attachment of auxiliary equipment to the head of the wearer of a helmet.
Based on this definition of the problem, a protective helmet of the type indicated at the beginning is, according to the invention, characterized in that each fixing button has a threaded bolt protruding from the base plate, for screwing the fixing button to through a bore in the helmet cap.
The problem existing in the known technique is therefore resolved according to the invention in a surprisingly simple manner, in that on the external face of the protective helmet, universal fixing buttons, on which all the auxiliary equipment can be fixed, are provided. two sides. We thus obtain for the first time the possibility of attaching auxiliary equipment to the external face of the helmet cap,
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on fixing means present at this location. The fixing buttons are then preferably configured with rotation symmetry, so that the corresponding fixing means can extend without problem in different directions starting from the fixing buttons.
This is advantageous for fixing very different auxiliary equipment which, depending on the circumstances, must be placed on the fixing buttons in different hooking directions. In particular for a military protective helmet, screwing with a single threaded bolt has the advantage that a single passage through the helmet cap is necessary.
To also allow the attachment of glasses in particular, it is advantageous for the protective helmet cap to have an eye cutout in the frontal region which is formed by a step-shaped transition with the edges of the helmet cap directed upwards, and that the fixing buttons are then placed near the border of the eye cutout, in the region of the edges facing upwards. This makes it possible to fix glasses, cocular protection devices, etc., to be positioned in the cutout for the eyes, with an essentially horizontal position of the fixing straps.
The fixing buttons themselves can each rest by a base plate on the external face of the helmet cap.
To reduce the risk of injuring third parties by the fastening buttons protruding from the outer face of the helmet cap, it is advantageous to round the upper side of the mushroom-shaped fastening buttons. When the base plates are also rounded, a practically continuous transition is obtained between the upper face of the helmet cap and the base plate, which reduces the risk of scratches.
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protrusions, nets or the like hang on the fixing buttons. Optionally, the fastening buttons can be covered by rounded protective caps when not in use, whereby the latter risk is practically completely eliminated. The protective caps can be made of a plastic which can be fixed by trigger on the fixing button.
To avoid additional holes in the helmet shell, it is particularly advantageous to have the fixing buttons on the sides of the helmet shell, at the places where the inner lining is connected to the shell. The fastening buttons then have a function on the external face of the helmet shell, for the attachment of auxiliary equipment, and a function on the internal face of the helmet shell, which consists in fixing the inner lining on the shell. helmet. For this purpose, it is appropriate to configure the fixing buttons with a bulletproof core. They can then be fixed to the helmet shell by a threaded bolt instead of the usual bulletproof screws, preferably in a rotating socket inserted in the helmet shell.
As the fixing buttons are in this case arranged above the cutout for the eyes, they are particularly suitable for fixing a bulletproof visor. This can be fixed in a timely manner on the mushroom-shaped fixing buttons, without additional fixing means, by fork-shaped ends which detent detentively on the connecting piece of each fixing button, and by a hooking spring having a circular opening surrounding a cap of the fixing button, for making a hinge with
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rotation. This also makes it possible to tilt the visor upwards in case it is not necessary for the wearer of the helmet, or for example when it is dirty.
The invention will be explained below with the aid of exemplary embodiments shown in the drawings.
In these drawings: FIG. 1 represents a side view of a helmet cap comprising a fixing button, for a protective helmet according to the invention, FIG. 2 represents a front view of the helmet of FIG. 1, FIG. 3 shows an oblique view from the front of the helmet of Figures 1 and 3, Figure 4 shows a side view of a fastening button, Figure 5 shows a view of a helmet wearer, with a helmet according to the invention and protective glasses attached thereto, FIG. 6 represents a side view of a helmet wearer, with a helmet according to the invention and a gas mask attached thereto, FIG. 7 represents an oblique view from the front of a helmet wearer with a helmet according to the invention and a night vision device attached thereto,
8 shows a side view of the helmet holder in the arrangement of Figure 7, Figure 9 shows a side view of another embodiment of the position of the fixing buttons on the cap of a helmet, with a visor fixed to the fixing buttons, and FIG. 10 represents a view of the arrangement of FIG. 9, obliquely from the front, with a section through the helmet cap in the region of a cap.
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The helmet according to the invention has a helmet cap 1 which is constituted in its upper region by an approximately spherical cap, which has a lower edge 2 which extends substantially down the region of the nape towards the lateral region ( region of the ears) and from there becomes a substantially horizontal border 4 in the front region of the protective helmet, by an edge 3 extending obliquely upwards. The oblique edges 3 and the substantially horizontal border 4 form an eye cutout 5, to guarantee a good viewing angle for as complete protection as possible of the head in the region of the ears and in the region of the nape of the helmet.
View from the front (FIG. 2), behind the edges 3 extending obliquely upwards, on both sides of the helmet shell 1, fixing buttons 6 are fixed to the external face of the helmet shell 1, and this symmetrically with respect to the median axis A in the longitudinal direction of the helmet, drawn in FIG. 2.
Figure 1 clearly shows that the fastening buttons 6 are positioned substantially at the height of the median axis B in the transverse direction of the helmet, shown in Figure 1. The fastening buttons are located near the bottom edge 2 which is in general rule formed by a raised protective profile.
Figure 4 clearly shows that the fixing button 6 passes through a corresponding bore in the helmet cap 1 by a threaded bolt 7, and that it can be screwed by a nut from the internal face of the helmet cap. The fastening button 6 rests on the outer face of the helmet cap 1 by its base plate 8. The base plate 8 is configured as a tray
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convex which rests by its circularly shaped edge on the external face of the helmet cap 1. A connecting piece 9 resembling a bolt projects from the base plate, towards a head 10 of larger diameter. The head 10 has a rounded upper side. The connecting piece 9 in the form of a bolt and the head 10 give the fixing button 6 its mushroom shape.
Figure 5 shows the protective helmet on the head of a helmet holder 11. We recognize a 10 'bulletproof screw, which is used for fixing the interior trim, as well as a system of straps connected to the interior trim or directly to the helmet cap 1, and consisting of a chin strap 12 and a neck strap 13 which together ensure secure retention of the protective helmet on the head of the helmet wearer 11. In the exemplary embodiment shown, the helmet wearer 11 wears protective glasses 14 which may among other things be laser protective glasses, or protective glasses against dust. The protective glasses 14 have lateral straps 15 which are conveniently configured adjustable in length.
At the free end of the side straps 15 are fastening means which hook above the fastening buttons 6 of the helmet cap 1, and thus ensure a secure fixing of the protective glasses 14 on the external face of the helmet cap 1, the side straps being kept short and thus being able to offer maximum stability.
Figure 6 clearly shows the attachment of a gas mask 16 which is also connected by side straps 15 to the fixing button 6 of the helmet cap 1. Figure 6 shows that a plastic part 17 substantially triangular is hooked detentively in the space between the plate
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base 8 and the head 10 of the fixing button 6. At its end, the triangular plastic piece 17 is configured with an internal contour adapted to the connecting piece 9 in the form of a bolt of the fixing button 6, and is thus fixed to the fixing button 6 so that it can be rotated.
Another fixing of the gas mask 16 is effected by the connection with a chin strap 12 and a neck strap 13, as well as by an additional neck strap 18.
Figures 7 and 8 clearly show the attachment of a night vision device 19, which is carried out in principle in the same way as for the gas mask 16 (Figure 6), that is to say by straps side 15 and a triangular plastic part 17 which hangs in an articulated manner in rotation on the fixing button 6.
A lower chin rest 20, which is stretched over the chin of the helmet wearer 11 by the chin strap 12, also serves to more stably fix the heavy night vision device 19.
Figure 8 shows a support accessory 21 fixed on the dorsal face of the helmet cap 1, and which consists of an elastic rubber strap which is extended by a protective envelope placed with gathers to allow elongation. The elastic rubber strap is fixed to the body of the helmet holder 11, for example to a belt, and exerts a traction on the dorsal face of the helmet cap 1 which at least partially compensates for the torque caused by the weight of the device. night vision device 19, and which therefore serves to relieve the musculature of the neck of the helmet wearer 11. According to the invention, the helmet must therefore no longer be removed for fixing the night vision device 19.
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In the embodiment shown in Figures 9 and 10, the fixing buttons 6 are arranged on the sides of the helmet cap 1, at the locations of the bulletproof screws 10 '. A bulletproof visor 22, comprising fork-shaped ends 23 formed on the visor 22, is fixed to the fixing buttons 6. The fork-shaped ends 23 form between them a slot 24 open at its end and comprising a circular cutout used to surround the connecting piece 9 of the fixing button 6, and an insertion opening 25 ′, of circular shape, which is connected thereto by a narrowing, for the passage of the head 10 of the button fixing 6.
A flat spring 27 is placed via rivets 26 on the visor 22, in the region of the fork-shaped ends 23, extends above the fork-shaped ends 23 and present in the region of the head 10 of the fixing button 6 a circular opening 28 through which the spring 27 straddles the head 10 of the fixing button 6 and thus forms a rotary articulation for the visor 22.
The cross-sectional representation of FIG. 10 clearly shows that the fork-shaped ends 23 detentively overlap the fixing button 6 in the region of the connecting piece 9. By sliding the fork-shaped ends 23 over the fixing button 6, so that the head 10 passes through the cutout 25, the head 10 compresses the spring 27, so that the front end of the spring 27 is pushed back from the fork-shaped ends 23 and slides over the head 10 of the fixing button 6 until the head 10 comes to be inserted in relaxation in the opening 28 of circular shape of the spring 27, when the fork-shaped ends 23 also overlap in relaxation the connecting piece 9.
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Figure 10 shows a threaded socket 29 on the inner face of the helmet cap, and in which the threaded bolt 7 of the fixing button 6 is screwed. The threaded sleeve 29 retains on the internal face of the helmet cap 1 the connection ends 30 of the interior lining as well as the ends of the straps 12 and any other means of fixing.
With the threaded sleeve 29, the fixing button 6 thus plays a role of fixing on the external face as well as on the internal face of the helmet cap 1.
Thanks to an appropriate mutual dimensioning of the thickness of the fork-shaped ends 23 and the height of the connecting piece 9, the friction between the visor 22 and the fixing buttons 6 can be adjusted, so that the visor 22 can be tightened by friction in the tilted up position or in any intermediate positions.