CN1795362B

CN1795362B - Head protector

Info

Publication number: CN1795362B
Application number: CN200480014596.5A
Authority: CN
Inventors: 阿里斯蒂斯·马克里斯; 阿塔纳西奥斯·格里拉斯; 布拉蒂斯拉夫·米特里克; 杰弗里·费歇尔; 杰伊·索贝尔; 朱莉娅·怀特; 贾斯汀·迈里斯; 马克西姆·沃德班库尔; 雷蒙德·詹姆斯; 里查德·拉贝; 罗德·法雷尔; 沙伊克·卡拉姆; 克林特·赫奇; 彼德·博尔托特; 西蒙·普夫兰特; 吉勒斯·勒布莱尔; 丹尼尔·佩奇
Original assignee: Allen Vanguard Corp
Current assignee: Allen Vanguard Corp
Priority date: 2003-03-28
Filing date: 2004-03-29
Publication date: 2012-09-05
Anticipated expiration: 2024-03-29
Also published as: CN1795362A; ZA200508730B

Abstract

A head protection system comprises a helmet shell, a visor mounting for pivotally mounting a visor to the shell to enable the visor to be moved between raised and lowered positions, and a retainer for releasably retaining the visor to the helmet. The system includes a visor adapted for mounting on the shell which comprises a substrate of transparent thermoplastic material and a backing substrate comprising a plurality of layers of high performance, ballistic resistant material. The system may further include a second visor which can be releasably connected to the shell using the same visor mounting and which may have a different construction and primary function.

Description

Head protector

Technical field

The present invention relates to a kind of head protector and the protection armor, particularly but be not limited to protect people to avoid the head protector and the armor that explosive and other munitions impact.

Background technology

As everyone knows, head protector is that hazardous activity is participated in protection such as bomb is disposed and the part of the protection system of clearance personal security.Head protector comprises that the closing face template promptly has one fully by the helmet in the open front district of helmet shell encirclement.Special thing is installed on the helmet shell of open front district top and by acrylic compounds (acrylic) material and processes, its can tolerate sharp fragment the high energy impulse force and can be broken.Thereby the helmet is covered with the protection level that the multilayer bullet resistant material has improved the helmet.Vent hose is connected to the back of the helmet, and it is that helmet provides ventilating air that its end holds electric fan.Flexible pipe and fan combination also become the counterbalance of balance helmet front face shield weight, thereby the center of gravity that makes the helmet is near its center.Face shield usefulness is positioned at the top of helmet opening and the securing member of at is fixed firmly on the helmet.

Summary of the invention

According to an aspect of the present invention, a kind of head protecting system is provided, has comprised: helmet shell; With face shield be installed to pivotally make on the helmet shell face shield can raise and lowered position between move be positioned at the erecting device on the helmet shell; Releasably face shield is remained on the holding device on the erecting device; Face shield; Be arranged to be installed on the said erecting device; And have a kind of like this structure: when adopting testing standard MIL-STD-662F and use the 0.22mm projectile that defines among the MIL-P-46593A to test, the V-50 that at least a portion of said face shield has 600 meters of per seconds impact grade (rating) or more than.

Test above-mentioned is the method for testing standard MIL-STD-662F of Ministry of National Defence.Projectile used in the test defines in MIL-P-46593A (ORD) to some extent.Military specification: bore .22 .30 .50 and 22mm fragment simulation projectile.The .22 caliber projectile is only used in above-mentioned test, also is known as (CN) Chisel Nose (FSP) fragment simulation projectile of 17 granularities (grain).

Useful is, this device provides a kind of protection system that is used to prevent the explosive munitions, and when not needing face shield, can raise face shield so that add forced ventilation and more convenient.This device can also take off face shield, and also can change the face shield with other functions into.

In one embodiment, face shield can be included in a plurality of high performance ballistic material layers in its structure, stings the wearer in order to prevent sharp high energy fragment.

The part of watching of face shield can comprise the acrylic materials layer with high energy absorbability, and in one embodiment, the thickness of acrylate resin layer is between the 0.5-5/8 inch.Face shield also comprises the basalis of Merlon, and in one embodiment, its thickness is between the 3/8-1/4 inch.The V-50 grade of acrylate resin layer can be 600 meters to 800 meters of per seconds, and the V-50 grade of Merlon and bullet resistant material backing layer surpasses 600 meters of per seconds, can be 700 meters of per seconds or more.

According to a further aspect in the invention, a kind of head protecting system is provided, has comprised: helmet shell, with face shield be installed to pivotally on the helmet shell and make face shield can raise and lowered position between move be positioned at the erecting device on the shell; Releasably face shield is remained on the holding device on the erecting device; Face shield, it is installed on the said erecting device, and comprises transparent material layer and a plurality of bullet resistant material layer.

According to a further aspect in the invention, a kind of helmet is provided, has comprised: shell; Be used for erecting device that shielding part is installed to shell pivotally, shielding part is moved between the primary importance and the second place with respect to shell; With the locking system that shielding part is locked on one of primary importance and the second place at least; This locking system comprises and prevents lock that shielding part moves with respect to shell and through pushing the pressing piece that the hand that can unclamp lock is prone to contact, can make shielding part from corresponding first or the second place move.

According to a further aspect in the invention, a kind of protection helmet is provided, has comprised the plastic transparent material layer; A plurality of layer of high performance material, said layer of high performance material is bonded together the formation laminate; With being used for laminate is fixed to the fixture on the plastic transparent material layer.

According to a further aspect in the invention, a kind of faceplate is provided, has comprised the plastic transparent material layer; A plurality of layer of high performance material, said layer of high performance material are bonded together to form laminate; With being used for laminate is fixed to the fixture on the part on surface of plastic transparent material layer.

According to a further aspect in the invention, it provides a kind of method of making protection helmet, comprises step: the plastic transparent material layer is provided; Formation contains the laminate of a plurality of layer of high performance material; And laminate is fixed on the plastic transparent material layer.

According to a further aspect in the invention, a kind of helmet is provided, has comprised: shell; Strap guide; Its each side that is installed in the helmet is positioned at the position that back-up belt passes under wearer's the chin; In use, belt passes strap guide and between strap guide, thereby the belt part between the strap guide forms chin band (chin strap); Be connected to the supporter of the back of shell, said supporter and shell can relatively move with the wearer the head or neck portion combine, in use, said belt reaches supporter from each strap guide; And the tension part that stretches out from position between supporter and the strap guide, and it is arranged to when tension part is tightened up, and can make from supporter to stretch out and the length of passing the said belt of strap guide shortens.

According to a further aspect in the invention; Provide a kind of helmet to keep system; Comprise: first and second strap guide, its every side that is installed in the helmet are positioned at the position that back-up belt passes under wearer's the chin, in use; Belt passes strap guide and between strap guide, thereby the part of the said belt between the strap guide forms the chin band; Be connected to the helmet in use movably and be used for head or the supporter that combines of neck portion with the wearer at the back, said belt stretches to supporter from strap guide; From the tension part that supporter stretches out, it is arranged to when tension part is tightened up, and can make from supporter to stretch out and the length of passing the said belt of strap guide shortens.

According to a further aspect in the invention, a kind of helmet is provided, has comprised: shell; Be used to help wearer's power driven system; Be used for the power-supply controller of control system power supply, wherein power-supply controller releasably is installed on the shell.

According to a further aspect in the invention, a kind of helmet is provided, has comprised: shell; Face shield has de-watering apparatus on its surface in the face of the inside of said shell; To helmet the electric device of ventilating air is provided, this electric device is installed on the said helmet.

According to a further aspect in the invention, a kind of control module of controlling helmet power driven system is provided, said control module has control module releasably is fixed to the fixture on the helmet.

According to a further aspect in the invention, a kind of helmet is provided, has comprised: shell; Shielding part; Be connected on the shell shielding part and the coupling arrangement that the shielding part opposite shell is moved with being used for; And be connected on the said coupling arrangement and can make shielding part be independent of the vibration absorbing device that coupling arrangement moves with respect to shell.

According to a further aspect in the invention, a kind of helmet is provided, has comprised: shell; The shielding part that is connected on the shell and between the primary importance and the second place, moves with respect to said shell; With shielding part is locked in the said primary importance and the second place one of at least on locking system; And it has the rotating cam that is installed on the shell; Be formed on the hole in the said shielding part; The side in said hole has opening and is used for cam is brought in the said hole, when cam is positioned at the position that said hole prevents that cam from moving through said opening, can allow the cam rotation.

According to a further aspect in the invention, a kind of protection system is provided, has comprised: crash helmet; Be installed at least one electric device on the helmet; From controller away from the said electric device of Position Control of the helmet; Send the control signal slave controller device of electric device to, wherein said controller comprises controller is fixed to the fixture on a part of wearer's body that therefore in use, the wearer can see second controller.

According to a further aspect in the invention, a kind of protection system is provided, has comprised: the helmet; Be installed at least one electric device on the helmet; From controller away from the said electric device of Position Control of the helmet; Send the control signal slave controller device of electric device to, wherein said controller comprises the visual indication in response to the helmet and controller state one of at least.

According to a further aspect in the invention, a kind of protection system is provided, has comprised: the helmet; Be installed at least one electric device on the helmet; From keep watch on the monitor of said electric device away from the position of the helmet; And the device that signal is sent to monitor from electric device.

According to a further aspect in the invention, a kind of protection system is provided, has comprised: the helmet; Be installed at least one electric device on the helmet; From away from said electric device of the Position Control of the helmet and the device of keeping watch on the said electric device one of at least; With the device that sends one of at least the another one of said controller and said electric device in signal slave controller and the said electric device to; And be installed in the retainer that is used for the retentive control device on wearer's clothing.

According to a further aspect in the invention, a kind of protection system is provided, has comprised: the helmet; Be installed at least one electric device on the helmet; Be installed on the helmet and be arranged to drive the power supply of said electric device.

According to a further aspect in the invention, a kind of crash helmet that has the sidepiece that covers user's ear and be positioned at the microphone on the said sidepiece is provided.

According to a further aspect in the invention; A kind of head protector is provided; Comprise: the helmet shell that a head cavity is wherein arranged; Lining is lived the lining of head cavity, wherein comprises that one of at least at least one includes the maintenance circle of filling member with the size of regulating said head cavity slidably in lining and the shell.

According to a further aspect in the invention, a kind of head protector is provided, has comprised: helmet shell, shielding part, the coupling arrangement that shielding part is joined to slidably on the helmet shell and shielding part is thrown off from helmet shell slidably.

According to a further aspect in the invention; A kind of head protector is provided; Comprise: the helmet and the helmet remained on the retainer on wearer's head; Wherein retainer comprises and from the helmet, stretching out in order to supporting the device of the every side-connector of the helmet, and said connector is arranged to be prone to unclamp and is connected to convertibly under chin cup and the jaw in the belt.

According to a further aspect in the invention, a kind of head protector is provided, has comprised: the helmet and be connected to a plurality of face shields on the helmet convertibly, and face shield is connected to the coupling arrangement on the helmet.

According to a further aspect in the invention, a kind of helmet with retainer is provided, has comprised the collare supporter, said collare supporter is connected on the helmet with first and second belts that an angle crosses out by the common position from said collare.

According to a further aspect in the invention; A kind of helmet with retainer is provided; Comprise collare supporter and the adjustable straps that is used for retainer is tightened in wearer's head, wherein said adjustable straps connects into from the collare supporter stretches out to the side downwards and alternatively.

According to a further aspect in the invention, a kind of chin cup that is used to keep system is provided, has comprised chin pad and near first belt on said top and near second belt of said bottom with upper and lower.

According to a further aspect in the invention, a kind of helmet is provided, has comprised: shell; Shielding part; With shielding part is connected on the shell and the coupling arrangement that the shielding part opposite shell is moved; And be connected on the said coupling arrangement and be arranged to allow shielding part to be independent of the vibration absorbing device that coupling arrangement moves with respect to shell.

According to a further aspect in the invention, a kind of helmet is provided, has comprised: shell; Be connected to the shielding part between the primary importance and the second place, to move on the shell with respect to shell; With the locking system that shielding part is locked on one of primary importance and the second place at least; It has the rotating cam that is installed on the shell; Be formed on the hole in the shielding part; The side in said hole has opening and is used for cam is brought in the said hole, and when cam was arranged in the position of forbidding that four said cams move from said hole through opening in said hole, said hole allowed said cam rotation.

According to a further aspect in the invention, a kind of helmet is provided, has comprised: shell; Be connected to the shielding part between the primary importance and the second place, to move on the shell with respect to shell; With the locking system that shielding part is locked on one of primary importance and the second place at least; This locking system comprises and prevents lock that shielding part moves with respect to shell and through pushing the pressing piece that the hand that can unclamp said lock is prone to contact, thus can make shielding part from corresponding first or the second place move.

According to a further aspect in the invention, a kind of faceplate is provided, has comprised the plastic transparent material layer; A plurality of layer of high performance material, said layer of high performance material is bonded together the formation laminate; With being used for laminate is fixed to the fixture on the part on said surface of plastic transparent material layer.

According to a further aspect in the invention, a kind of method of making protection helmet is provided, has comprised step: the plastic transparent material layer is provided; Formation contains the laminate of a plurality of layer of high performance material; Laminate is fixed on the plastic transparent material layer.

According to a further aspect in the invention, a kind of helmet is provided, has comprised: shell; Strap guide; Its back-up belt that whenever is positioned at that is installed in the helmet passes under wearer's chin; During use, belt passes strap guide and between each strap guide, thereby the part of the said belt between the said strap guide forms the chin band; Be connected to the supporter of the back of said shell, said supporter and said shell can relatively move and combine with wearer's head or neck portion, and during use, said belt stretches to supporter from strap guide; From the tension part that stretch out position between supporter and the strap guide, it is arranged to when tension part is tightened up, and can make from supporter to stretch out and the length of passing the said belt of strap guide shortens.

According to a further aspect in the invention; Provide a kind of helmet to keep system; Comprise: the every side that is installed in the helmet is positioned at first and second strap guide that back-up belt passes under wearer's the chin; During use, said belt passes strap guide and between strap guide, thereby the part of the said belt between the strap guide forms the chin band; Be connected to the helmet in use movably and be used for head or the supporter that combines of neck portion with the wearer at the back, said belt reaches said supporter from each strap guide; And the tension part that stretches out from supporter, it is arranged to when tension part is tightened up, and can make from supporter to stretch out and the length of passing the said belt of strap guide shortens.

According to a further aspect in the invention, a kind of helmet is provided, has comprised: shell; The face shield that on its surface, has the moisture device in the face of the inside of said shell; To helmet the electric device of ventilating air is provided, this electric device is installed on the helmet.

Description of drawings

Below with reference to accompanying drawing embodiments of the invention are described, wherein:

The perspective view of the helmet according to an embodiment of the invention that shown in Figure 1 is;

Shown in Fig. 2 A be according to an embodiment of the invention, the perspective view of first face shield that uses of the helmet in Fig. 1;

Shown in Fig. 2 B is the front view of face shield among Fig. 2 A;

Shown in Fig. 2 C is the profile that face shield is cut open along the A-A line among Fig. 2 A;

Shown in Fig. 3 A be according to an embodiment of the invention, the perspective view of second face shield that uses of the helmet in Fig. 1;

Shown in Fig. 3 B is the front view of the face shield among Fig. 3 A;

Shown in Fig. 3 C is the profile that the face shield among the 3A is cut open along the A-A line;

Shown in Fig. 4 A is the perspective view of the helmet among Fig. 1, and wherein the face shield of Fig. 2 A-2C is installed on the helmet with first face shield orientation;

Fig. 4 B is the side view of structure shown in Fig. 4 A;

Shown in Figure 5 is the perspective view of the helmet among Fig. 1, and wherein the face shield of Fig. 2 A-2C is installed on the helmet with second face shield orientation;

Shown in Figure 6 is the perspective view of the helmet among Fig. 1, and wherein the face shield of Fig. 2 A-2C is installed on the helmet, and is completely locked on the position of loweing;

Shown in Figure 7 is according to an embodiment of the invention, be used for the exploded view of the face shield erecting device of Fig. 1 helmet;

Shown in Figure 8 is protection helmet structure chart according to an embodiment of the invention;

Shown in Figure 9 the is fragmentary cross-sectional view of face shield according to an embodiment of the invention;

Figure 10 is the schematic rear view of face shield shown in Figure 9;

Figure 11 is the cut-away section side view that passes through face shield according to an embodiment of the invention;

Shown in Figure 12 is the perspective view of the face shield among Figure 11;

Shown in Figure 13 A-13C is head protecting system according to an embodiment of the invention, shown in Figure 13 A is the perspective view that has the helmet of EOD face shield wherein, and shown in Figure 13 B is the perspective view of identification face shield, and shown in Figure 13 C is the perspective view of CBRN face shield;

Shown in Figure 14 A is the side view of the helmet and face shield installation system according to an embodiment of the invention;

Shown in Figure 14 B be with Figure 14 A in alar part or the side view of sidepiece of the face shield that is connected of the helmet;

Shown in Figure 14 C is the profile through the installation system of Figure 14 A;

Shown in Figure 14 D is the side view of face shield installation system shown in Figure 14 C;

Shown in Figure 14 E is the exploded view of the mounting bracket among Figure 14 D and the 14E;

Shown in Figure 15 A-15F is the various views that have the crash helmet of EOD face shield according to an embodiment of the invention;

Shown in Figure 16 is the various perspective views that comprise the helmet of search visor according to another embodiment of the present invention;

Shown in Figure 17 A-17D is the various views that have the helmet of CBN face shield according to another embodiment of the present invention;

Shown in Figure 18 A-18D is the various views that pass through the helmet according to an embodiment of the invention;

Shown in Figure 19 is the profile that passes through the face shield installation system according to an embodiment of the invention;

Shown in Figure 20 is the side view that Figure 19 has the helmet of installation system;

Shown in Figure 21 A is the side view of the helmet according to an embodiment of the invention;

Shown in Figure 21 B is the enlarged drawing of locking mechanism among Figure 21 A embodiment;

The profile that passes through Figure 21 B locking mechanism shown in Figure 21 C;

Shown in Figure 22 A-22D is the various views of locking system according to another embodiment of the present invention;

Shown in Figure 23 A-23E is that the helmet keeps the various views of system according to an embodiment of the invention;

Shown in Figure 24 A and the 24B is that the helmet keeps system according to another embodiment of the present invention;

Shown in Figure 24 C is the perspective view of chin cup according to an embodiment of the invention;

Shown in Figure 25 A-25E is the perspective view of lining according to an embodiment of the invention;

Shown in Figure 26-30 is the various views that have the helmet of control module according to another embodiment of the present invention;

Shown in Figure 31 the is sketch map of control module and remote controller according to an embodiment of the invention;

Shown in Figure 32 the is sketch map of remote control circuitry according to an embodiment of the invention;

Shown in Figure 33 A and the 33B is remote controller according to an embodiment of the invention;

Shown in Figure 34 is the erecting device that is used for remote controller according to another embodiment of the present invention;

Shown in Figure 35 A is the control interface that is contained in the controller on the helmet according to an embodiment of the invention;

Shown in Figure 35 B is the user interface of remote controller according to an embodiment of the invention;

Shown in Figure 35 C is remote controller according to another embodiment of the present invention; And

Shown in Figure 35 D is the electronic module that is used for crash helmet according to another embodiment of the present invention.

The specific embodiment

Shown in Fig. 1-7 is reconfigurable, the multi-functional head protecting system according to first embodiment of the invention, comprising: the helmet is used for the first explosion-proof face shield, with the second shared face shield of respirator that is contained on the face; One of these two kinds of face shields releasably are installed to the erecting device on the helmet.

Referring to Fig. 1; The helmet 2 comprises helmet shell 4; Be arranged on the face shield erecting device 5 on the shell both sides (side only is shown), the helmet that the helmet is fixed to wearer's head keeps system 7, and is used to control the controller 9 of the various devices relevant with the helmet at the shell back side.The specific embodiment of maintenance system and controller will make a more detailed description in the back.

Helmet shell is that face is opening, is processed can bear blast impulse power by anti-HI high impact material.For example, shell can be processed by the composite of the tack coat that contains bullet resistant material or fiber such as Kevlar (Kevlar), Dyneema or other high-performance, high-tensile material.

Fig. 2 A is to shown in the 2C being face shield 6, and it releasably is installed on the helmet, and main purpose provides explosive-proof protector.This face shield is specially adapted to bomb processing, clearance and similar hazardous activity.Fig. 3 A is to shown in the 3C being face shield 106, and it also releasably is installed on the helmet, and it can provide protection, can hold the respirator that is installed on the face again.This face shield is specially adapted at the possibility quilt or the activity of carrying out in by the environment that pollutes like chemicals, biologic product or nuclear fuel material.

Can with the existing helmet of the shared helmet shell of different face shields than dedicated fixed visors with simple function, improved the multifunctionality of the helmet greatly.Useful is, the face shield installation system makes that the wearer can during operation can be very easily and very promptly take off face shield and replace to another kind, and need not to take off the helmet.To describe head protecting system in detail below.

Shown in Fig. 4 A and Fig. 4 B is first face shield 6 that is installed on the shell 4.Installation system 5 comprises the outwardly directed projection of every side (boss) 8 from the helmet.Face shield has crooked front portion 11 and relative sidepiece 12,13, and each sidepiece all has circular port 10, wherein inserts corresponding projection, thus be used for pivotally with face shield be installed to make on the helmet face shield can raise and lowered position between move.

In the sidepiece 12 of face shield, also form have to first groove 14 of after-opening 16 with have second groove 18 under shed 20, face shield can be locked in raise or lowered position on.

Face shield locking system 24 is installed on the helmet, and comprises and can pressure-lock part 22 and be connected on the locking piece 22 and from the outwardly directed button 26 of its low side.Locking piece 22 is biased (by suitable device), and to the position that stretches out, wherein it passes first and second grooves 16, thus one of in 18 face shield is locked on the position of raising or loweing through the edge that makes locking surface or abutment surface alignment slot.Press push button 26 makes contrary its bias forces of locking piece 22 and moves to the inner surface of the sidepiece 12 that exceeds face shield inwards, can open face shield, and makes it raise or reduce.When face shield raising and lowered position between the time, release button easily because its crossover part 15 through face shield remains on forces down on the position, locking piece will return the position that face shield is locked in alignment slot automatically.Should be noted in the discussion above that radius distance between the bottom 34 of pivot axis 32 and face shield sidepiece 12 less than the distance between the top edge 36 of pivot axis 32 and button 26, thereby when raising face shield, button can not produce with lower limb 34 interferes.This knob is stretched out exceed locking piece 22 and more container touched.

Shown in Fig. 4 B, block piece 38 is positioned at the front of locking piece 22 and stretches out from helmet shell 4.Block piece 38 provides abutment surface 40, is used for when face shield 6 is positioned at lowered position, engaging with the front 42 of second groove 18, thereby prevents that face shield 6 from further moving down around pivot axis 32.Valuably, block piece also provides and has prevented that face shield from shifting to the robust means of wearer (promptly to helmet back) backward for the anterior high impact forces of opposing blast mask.When the face shield front portion suffers high impact forces; Block piece can also be separated locking piece from the position that engages with the front 42 of second groove 18; Thereby reduced the impaired danger of locking piece, made locking piece after HI high impact, still can unclamp face shield and can raise face shield.Block piece part at least is flexible, and to absorb mechanical shock and to reduce the impulsive force that is transferred to the helmet from face shield, it is dangerous with concussion therefore to reduce extent of injury.

The helmet comprises that further the face shield that is prone to unclamp keeps system, and this system can also promptly take off face shield easily from the helmet, and the face shield of the other identical or different type of replaceable one-tenth.The face shield retainer comprises lock cap 44, and lock cap 44 has the lower end that is installed in pivotally under the button 26 46 and with having cover plate is fixed to the upper end 48 of the securing member 50 on the projection 8 through being formed at wherein hole 52.Form groove 53 in the cover plate to hold button 26.

For face shield is taken off from the helmet, shown in Fig. 4 A, securing member 50 to be opened from bumps, cover plate is swung forward, thereby the sidepiece 12 of face shield is outwards moved on the projection 8.Afterwards, face shield moves apart the helmet simply from the helmet between the helmet and the cover plate.Opposite process can be connected to face shield on the helmet again or another face shield is connected on the helmet.

Shown in Fig. 4 A is how face shield 6 is connected to when lowered position on the helmet or how removes from the helmet.The face shield that is positioned at the locking elevated position in the groove 14 of shown in Figure 5 is locking piece is placed on face shield back.Thereby move apart the helmet through the sidepiece 12,13 of expansion face shield and with moving past projection on the face shield, also can be connected to face shield on the helmet on the elevated position or remove from the helmet.Can adopt opposite process, face shield is installed on the helmet.Face shield shown in Figure 6 prevents on the helmet that face shield from slipping over projection thereby use the cover plate 44 of swinging and being fixed to backward on the projection 8 to be installed to fully, securely.When this position; When covering on its lowered position face to face; Cover plate has also covered block piece and the face shield part near block piece; Thereby this part that can launch and lift face shield surpasses end of block piece, otherwise face shield moves such consequence to wearer's face can cause receiving high impact forces in the face shield front time.Cover plate can also cover the parts of locking system.

Show in detail face shield among Fig. 7 and keep system.Referring to Fig. 7, the maintenance system comprises installing plate or support 54, locking piece and button 22,26, block piece 38, cover plate 44 and the securing member 50 that is installed on the helmet shell and has projection 8.Installing plate 54 comprises the porose housing 56 that is used to place and keep locking piece and button 22,26.When assembling retainer system, locking piece and button are inserted into the housing 56 from the back side 58 of mounting bracket 54.The elastic biasing member 60 that can comprise spring navigates in the housing, and locking piece and button are outwards squinted to the front 62 of installing plate.But locking piece still remains in the housing under the effect of protuberance, lug or convexity 64 that the wall with housing 56 combines, thereby prevents to move (also can protuberance be set at the other end 27 of locking piece) outside it further.

Block piece 38 comprises and stretching out from the front 62 of mounting bracket 54 and with its formation holistic protruding 66 be installed in the elastic component 68 of protruding 66 front.

Cover plate 44 is installed on the installing plate at its low side through the screw 70 that passes the through hole 72 in the cover plate and reach in the screwed hole 74 in the installing plate pivotally.The other technologies that the cover plate pivot is connected on the installing plate are conspicuous to those skilled in the art.

Securing member 50 comprises the screw that has spiral shell head 76, passes the screw rod 78 in the hole 80 that is formed on cover plate 44 tops, and securing member is kept flange 82 on the cover board.

In this embodiment, mounting bracket is used to place microphone 84 and audio jack 86.Porose protruding 88 stretch out from the main body of mounting bracket 54; Be used for placing and keeping microphone 84, microphone 84 is by between microphone and protruding 88, also elasticity (like the rubber) ring 90 that microphone and any mechanical shock that passes over through installing plate are kept apart being remained in the hole.Microphone and audio jack all are selectable, in other embodiment, can all or part of omission perhaps be installed in other parts.

Shown in Fig. 2 A-2C is the instance of EOD face shield according to an embodiment of the invention, and this face shield releasably is connected on the crash helmet.Face shield 6 comprises the basalis 108 with transparent material such as Merlon, and it forms face shield crooked front portion 11 and sidepiece 12,13.Face shield further comprises and is positioned at back and the backing layer 130 adjacent with basalis 108, back edge 132 places of backing layer 130 between the front portion 11 of face shield is extended and ended at before and after the face shield, thus can not reach sidepiece 112,114.(but in other embodiments, backing layer also can extend to other any positions, can extend the position of the sidepiece or the alar part of enveil).Can be bonded to the backing layer on the basalis, comprise bonding together a plurality of bullet resistant material layers that form complex, normally opaque thus.Backing layer constitutes the opening 134 that allows light to pass through in the front of face shield.Face shield also comprises the skin 136 adjacent with basalis 108 outer surfaces, and its size and shape of peripheral 138 cover open area 134 at least.In this embodiment, outer field periphery overlaps on the marginal belt 131 around opening.Can comprise transparent material such as acrylic resin (or Merlon) through the skin that any suitable device such as machanical fastener (like rivet 133,135) are fixed on basalis and/or the backing layer.Yet because acrylic resin resin () disperses high energy impact to be difficult for fragmentation sooner and more than Merlon, so preferably use acrylic resin acrylic resin resin.

Hole

10,9 is formed in each

sidepiece

12,14 of face shield, is installed in pivotally on the projection of stretching out from the helmet shell opposite side, like Fig. 1, shown in 4A and the 4B can make face shield.First groove 14 that has to after-opening 16 is formed on in the sidepiece 12 with second groove 18 that has under shed 20, on the other side 13, forms the groove corresponding in fact mutually with first groove.Yet in this embodiment, the other side 13 does not have and second groove, 18 corresponding lower channel.As stated, referring to Fig. 4 A and 4B, first and second grooves match with locking mechanism on the helmet with face shield is locked in respectively raise with lowered position on.

In this embodiment, wiper 148 is installed along the top edge 150 of face shield, thereby is used on the face shield lowered position, combining at least helmet shell and its formation sealing, thereby prevents that moisture such as rainwater from flowing between the helmet and face shield.Wiper contains flexible material and comprises the marginal portion 152 and low flexible mounting portion 154 of enclosed helmet, and its inner surface is provided with rib 156 to improve its rigidity.

On the top edge 150 of face shield one or more searchlights 158 can be installed; 160, in this embodiment, searchlight is contained in the cavity 162,164 that is integrally formed with wiper easily; Though in other embodiments, searchlight also can be contained in the cavity that separates with wiper.In this embodiment, two searchlights are provided, have been located equidistantly the either side of center line 166, and be positioned at basically and corresponding position, the position of wearer's eyes.Searchlight can comprise the light emitting diode that can produce high-brightness light effectively.The light beam of light source can be assembled at preset distance place, face shield the place ahead and meet and produce needed beam shape and size, and the direction of light beam and convergent angle can be regulated.

Fig. 3 A is to shown in the 3C being another embodiment of face shield; It can be connected to same coupling mechanism on the same helmet to the face shield shown in the 2C like Fig. 2 A; But its purpose is different, and Fig. 6 A makes to the face shield shown in the 6C and is suitable for holding the breathing equipment that is contained on the face or the shape and the size of respirator (like oxygen mask).Fig. 3 A is identical to the face shield shown in the 2C with Fig. 2 A to the many aspects of the face shield shown in the 3C, and same parts are represented with identical Reference numeral.

Face shield 100 comprises crooked front portion 111 and sidepiece 12,13, and wherein sidepiece 12,13 is porose 10,9, is used to hold each projection of stretching out from the either side of the helmet, thereby face shield can be installed on the helmet pivotally.In a sidepiece 12, also form to pit and downward groove 14 and 18, to match with the locking mechanism of the same installation helmet to the same mode of the groove of face shield shown in the 2C 14,18 with Fig. 2 A.Also can be formed in face shield the other side 13 to pit 14, perhaps also can all dispense.

Face shield comprises basalis 108, and it forms the front portion and the sidepiece of the bending of face shield, and comprises transparent material such as Merlon.Can be positioned at the back of basalis and adjacent by the reinforcement backing layer 130 that multi-layered bonded bullet resistant material such as Kevlar or Dyneema together processes with basalis, and extend to face shield the front portion, end to be arranged in and keep and the hole of the sidepiece that locking mechanism matches and the back edge 132 of groove front with face shield.Backing layer has been set the opening 134 that allows light to pass through in the front of face shield.

Face shield also comprises the skin of being processed by transparent material 136, and its size covers open area 134 basically, and is used to strengthen the transparent viewing areas of face shield.To the embodiment shown in the 2C, skin can be processed to keep out anterior high energy impact by the crylic acid resin material for Fig. 2 A.Wiper 148 can comprise one or more searchlights 158,160 along the top edge setting of face shield.For convenience's sake, wiper can be identical to the wiper shown in the 2C with Fig. 2 A.

The main distinction of Fig. 3 A to the face shield shown in the 3C and Fig. 2 A to the face shield shown in the 2C is; At Fig. 2 A in 2C; Can see (from the front), the front portion of face shield is outward-dipping from top to bottom, and the angle [alpha] that between the top edge of face shield and basalis 208, forms is different.The lower part of the face shield front under opening lower limb 160 is longer and flexibility is smaller to the counterpart shown in the 2C than Fig. 2 A.The low positive of this face shield front extends the inner space that is designed to the raising face shield, thereby can hold the respirator (the serial scope of preferred dissimilar respirators) that is contained on the face, thereby makes the helmet can be used in the occasion that is necessary maybe need use respirator.

As stated, head protecting system allows to have for accomplishing the various difformities that difference in functionality designs and the face shield of other characteristics and the same helmet and uses jointly, thereby needn't use the different helmets.This protection system can also be at an easy rate taken off face shield and is replaced with other face shield from the helmet, therefore needn't take off the helmet and just can change at an easy rate rapidly very much during operation.Can make the staff quickly respond to very much the variation of the type of main threat like this, and come farthest to protect self through headgear system being adjusted to suitable configuration.

Comprise transparent plastic material such as layer of polycarbonate above and by the described face mask structure of backing layer that high performance material is processed, have special advantage than known protection structure, it also can be used for protection helmet except face shield.The embodiment and the special advantage thereof of this structure will be described below.

Protection helmet

Protection helmet structure according to an embodiment of the invention that shown in Figure 8 is, it can be used for the for example structure of the face shield of the helmet.Referring to Fig. 8, protection helmet 101 comprises second substrate 105 that first substrate 103 with transparent plastic material layer and a plurality of layer of high performance material 107 are laminated together.Each layer of high performance material can comprise the material of the high-tensile with cross-section its thickness t; This kind examples of material is including, but not limited to high-performance fiber; Though be weaving or nonwoven; Like Spectra

; Dyneema , Kevlar

or the like.Each layer 107 can comprise the compound of high performance material and thermoplasticity or thermosetting resin.Second substrate or laminate 105 can through when multilayer is in contact with one another, exert pressure with heat in the method that every layer thermoplastic resin is bonded on the adjacent layer form.

Second substrate 105 can utilize any suitable manner as being fixed in first substrate 103 through bonding or with one or more mechanical organs or instrument such as bolt, rivet, screw or other mechanical devices.

In one embodiment, second substrate can be fixed in first substrate through polyurethane.The inventor finds that polyurethane can provide especially strong and uniform caking property between laminate and transparent plastic substrate 103.The bonding process can so be accomplished: between first and second substrates, place a slice or one deck polyurethane, enough heats are added on the urethane film, for example, enough make the urethane film fusing.Useful is that the fusing point of polyurethane is relatively low, and is general below the fusing point of first and second substrates.In the bonding process, also can exert pressure between first and second substrates so that in the bonding process urethane film and its close contact.

First substrate can comprise Merlon or acrylic resin or other materials similar.In other embodiments, can with any suitable, can be also can not be that the binding agent of sheet bonds together first and second substrates.

The combination of transparent plastic material and laminate provides following protection structure, and it is thinner than the structure that is only formed by clarity plastic layer (like Merlon or acrylic resin), but similar protection level is provided.

Shown in Fig. 9-12 is the various views of face shield of the helmet of structure that adopt the embodiment of above-mentioned protection helmet.

Referring to Fig. 9-12, face shield 201 comprises substrate 203 that is formed by transparent plastic material such as Merlon and second substrate 205 with a plurality of high-performance composite materials layers.Shown in Figure 10-12, normally opaque second substrate 205 is fixed on the part of first substrate 203, defines in the present embodiment to be used to the window 209 that allows light to pass through.

Face shield also comprises another substrate 211 that is positioned on first substrate, 203 front surfaces.This additional substrate 211 comprises transparent material, for example can comprise Merlon or acrylic resin.This additional substrate can be fixed in first and/or second substrate with any suitable device such as rivet 213,215 or other mechanical organs or with binding agent.First with additional substrate 203, between 211 pad 217 can be provided, to prevent their direct contacts.

In specific embodiments, first substrate 203 contains Merlon, and additional substrate 211 contains acrylic materials.Additional substrate 211 extends on the qualifying part of first substrate 203, particularly extends on the zone of watching window 209 relatively, is used to strengthen the protection level of face shield transparent region.Especially, the acrylic resin harder than Merlon provides the hard striking face of the fragment that prevents to explode, and fragment is underspeeded rapidly and is broken into littler part.Being used in combination of layer of polycarbonate and high performance material laminate can be reduced the amount of the heavy acrylic resin of ratio Merlon used in the face shield widely, and needn't on the whole outer surface of face shield or striking face, all use acrylic resin.A transparent region at face shield uses acrylic resin in the present embodiment, thereby makes face shield lighter.Simultaneously, layer of polycarbonate (or other clarity plastic layers) and high performance material laminate be used in combination the thickness that can reduce face shield, thereby can reduce the leaning forward property of face shield.Help like this to move after the center of gravity of the helmet with balance better.

Although in the embodiment shown in Fig. 9-12, second substrate 205 is placed on the back of first substrate, and in other embodiments, order also can be opposite, is about to the front that second substrate is placed on first substrate.

Useful is; Adopt the combine face shield of this structure of first substrate as herein described and second substrate to compare with the face shield of original structure; The weight of face shield significantly reduces, thereby the helmet is lighter, and the weight saving of helmet front; Balance improves, and the helmet moment that leans forward around the center of the helmet is reduced.

Described in this specification or the protection helmet structure of definition can be used for protecting the structure of the protection helmet of health any part.

The further embodiment of multi-functional head protector

As stated; In an embodiment of the present invention, head protector can comprise and being suitable for and the common helmet that uses of many interchangeable face shields that wherein each face shield has different functions; Thereby improved the multifunctionality of system, thereby and owing to only reduced cost with a helmet.In another embodiment, face shield can comprise the above-mentioned munitions that prevent to explode face shield, have big relatively transparent region so that search and second face shield of identification, be suitable for installing respirator and be used for preventing that the 3rd face shield of chemistry, biology or nuclear pollution is any.These face shields are shown in Figure 13 A, 13B, 13C.

Shown in Figure 13 A is the EOD face shield that is installed on the helmet, and shown in Figure 13 B is search and the identification face shield that is installed on the helmet, and shown in Figure 13 C is the CBRN face shield that is installed on the helmet.The EOD face shield with above said face shield the same.Search visor 509 has relatively large transparent region (as being processed by Merlon) thereby bigger viewing areas is provided for the user.In one embodiment; At least one face shield comprises light source 511; Light source 511 can be installed on the top edge of face shield or the position of the top edge of next-door neighbour's face shield on (perhaps being installed on any suitable position on the face shield), promptly can search thereby make the wearer in the dark or under the bad situation of light, need not hand flashlight.The instance of light source is described in the back.

CBRN face shield 515 comprises transparent screen 517 and is positioned at the shaping protection part 519 that is used to place respirator (like breathing mask) under the screen.Transparent screen 517 can comprise any suitable material, and like Merlon and/or acrylic resin (acrylic), in one embodiment, bottom 519 comprises the laminate of being processed by bullet resistant material.Useful is, this can make bottom protection part form any required form, comprises angled shape, and this is bigger for difficulty with the simple layer of Merlon or acrylic resin.

In the present embodiment, face shield comprises the substrate 521 towards facepiece interior of being processed by Merlon, holds in the face shield that it is connected to connector and transparent screen 517 on the helmet.Face shield comprises by what the ballistic fiber lamination formed and is fixed to first suprabasil second substrate that it forms framework and comprise respirator cavity 519 around transparent screen.On the transparent screen that forms by first substrate, place one deck acrylic resin or polycarbonate transparent material again, thereby further supplementary protection is provided.In one embodiment, the size of respirator cavity and shape should be suitable for holding the respirator of number of different types.Every kind of all available same coupling mechanism of face shield is connected on the helmet.Coupling mechanism makes and can take off interchangeable face shield with hand, and especially can helmet outside is prone to touch and easy-operating mechanism takes off with being positioned at, thereby makes the helmet when having on, just can take off and displace face shield.In one embodiment, this mechanism can be so that only just can take off face shield with a simple action of sliding, and when face shield rotates to the use location with respect to the helmet, just can face shield be fixed on the helmet automatically.Coupling mechanism is described to 14E below with reference to Figure 14 A.

Face shield connects

Figure 14 A is to shown in the 14E being another embodiment that releasably face shield is connected to the face shield coupling mechanism on the helmet.Coupling mechanism comprises with any suitable method and is connected to the installing plate 551 on the side of helmet shell 553 that installing plate 551 has the projection 555 that is used for installing pivotally around axis 557 face shield from wherein stretching out.At least a portion around projection 555 is provided with elastic component 559, thereby is used to absorb the degree of moving radially of the impact between the face shield and the helmet between realization face shield and the projection.Installing plate further comprises arbitrary first and second convexities (or lug) 563,565 that are positioned at projection 555 from wherein stretching out.Coupling mechanism further comprises and installing plate 551 external plates 567 separately, thereby between them, forms gap 569, is used to hold the part of face shield.Alternately or additionally, convexity or lug also can stretch out from external plates 567.

Coupling mechanism further comprises the open-ended groove 571 that is formed in the face shield sidepiece 573; When the sidepiece 573 of face shield was inserted in the gap 569 between installing plate 551 and the external plates 567, this groove ended at 575 places, bearing edge of the elastic part 559 of support projection 555.

Coupling mechanism comprises that further being used in the sidepiece 573 that is formed on face shield hold first and second protruding 563,565 second and three-flute 577,579, when face shield with respect to the helmet during around axis 557 rotations, they make face shield remain on the helmet jointly.

Shown in Figure 14 A, for face shield is installed on the helmet, should make face shield facing to the helmet and be positioned on the helmet, thereby open ended slot 571 can be aimed at first and second protruding 563,565 and projection 555.Then; The direction (Figure 14 A) of face shield along arrow A is lowered in the gap 569 between installing plate 551 and the external plates 567, thus make protruding 563,565 and projection when running through open ended slot 571 and engaging with the elastic part of projection 555 up to bearing edge 575 only.Again face shield (Figure 14 A) shown in arrow B is rotated to operable position forward.Face shield forward direction rotation can make first and second convexities pass second and three-flute 577,575, thereby face shield is remained on the helmet.

Can provide locking system (like Figure 20 A to shown in the 20D, hereinafter in the middle of describe) that face shield can be locked on the open position and lowered position on helmet top.When face shield when its lowered position rotates to its elevated position; Locking mechanism can be configured to automatically face shield is locked on the elevated position; The elevated position of this locking can be valuably for being positioned at the positive front of the position that groove is positioned, thereby can lift and take off face shield.In this case, in order to take off face shield from the helmet, face shield must rotate from the elevated position of its locking backward.

In other embodiments; The face shield holding device can comprise any suitable mechanism; Wherein in one embodiment, can remove convexity, holding device can only be provided with the projection with special shape surface; It can only can not pass groove along other directions along a direction, thereby can face shield rotatably be remained on the helmet.

In other embodiments, holding device can comprise having only one or two above projections, and these projections can or be arranged on the installing plate or are arranged on the inboard of external plates.

Same coupling mechanism can be arranged on the both sides of the face shield and the helmet, and locking mechanism can only be arranged on the side and maybe can be arranged on the both sides.

Shown in Figure 15 A is to adopt the perspective view of EOD face shield at the head protector of the EOD of the diverse location helmet; Shown in Figure 15 B is the front view of the EOD helmet shown in Figure 15 A; Shown in Figure 15 C is its side view; Shown in Figure 15 D is its top view; Shown in Figure 15 E is its dorsal view; Shown in Figure 15 F is the view of seeing from below from the helmet shown in Figure 15 A.

Shown in Figure 16 is to adopt the perspective view of search visor at the head protector of the search helmet of diverse location.In this embodiment, identical to shown in the 15F of helmet part and Figure 13 A just searched the function that has changed the helmet with face shield through the EOD face shield has been changed into.

Shown in Figure 17 A is to adopt the perspective view of CBRN face shield at the head protector of the CBRN of the diverse location helmet; Shown in Figure 17 B is the front view of the helmet shown in Figure 17 A; Shown in Figure 17 C is its side view; Shown in Figure 17 D is its dorsal view.In this embodiment, identical with shown in Figure 15 A of the helmet of head protector part is just through having changed EOD or search visor into function that the CBRN face shield that can deposit breathing mask has changed the helmet.

Shown in Figure 18 A is through the fragmentary cross-sectional view of the helmet to its rear portion; Shown in Figure 18 B is through the fragmentary cross-sectional view of the helmet to its rear portion; Shown in Figure 18 C is through the anterior perspective section view of the helmet; Shown in Figure 18 D is the cross sectional side view through the helmet.

Absorb the installation of impacting

Shown in Figure 19 to 20 is the helmet that has the face shield installation system according to another embodiment of the present invention.Shown in Figure 19 is that shown in Figure 20 is the side view of the helmet through the profile of a helmet part.

Referring to Figure 19 and 20, the helmet 1 comprises shell 3 and shielding part 5, and in this embodiment, shielding part comprises and is arranged on the positive face shield of the helmet (in other embodiments, shielding part is included in any other parts that other positions around the wearer's head provide supplementary protection).The helmet further comprises coupling 7, is used for face shield 5 is connected to shell 3, and face shield is moved with respect to the helmet.Shock absorbing member 9 is connected on the coupling 7, and is arranged to make face shield 5 to be independent of coupling 7 and moves with respect to shell 3.

In this specific embodiments, coupling 7 comprises face shield is connected to pin or bolt on the shell pivotally, and shock absorbing member 9 comprises that part at least surrounds the lining of the elastomeric material of coupling 7.Mounting blocks 11 is between shell 3 outsides and face shield 5 and have a cavity 13 that holds resilient bushing 9.Shown in figure 19, cavity can extend to opposite side from a side of mounting blocks, and perhaps part runs through mounting blocks.In this embodiment, pin 7 can also be as being fixed to the fixture on the shell with mounting blocks 11, and pass the hole 15 that is formed in the shell.Pin has the enlargement steps down 17 on the inboard that is positioned at shell, in case the shotpin nail is deviate from from hole 15.Thereby the other end 19 of pin comprises the threaded portion 21 that is used to hold nut 23 mounting blocks and face shield assembly is fixed to shell.

In this embodiment, as shown in Figure 20, shock absorbing member 9 be arranged to make face shield 5 as arrow among Figure 20 25, shown in 27 along moving towards helmet or towards the aspect at helmet rear portion.In this embodiment, as shown in Figure 19, when shock absorbing member 9 is surrounded pin fully, can make face shield along moving with respect to pivot axis 29 all horizontal directions.But in other embodiments, the installation of absorbing vibration also can be restricted to a direction or narrow direction with relatively moving between face shield and the shell.

Useful is that the installation system of absorbing vibration provides some trip gears that face shield or other shielding parts are thrown off from helmet shell, is delivered to vibrations or transient force on the shell thereby reduced from face shield or shielding part.When the shock wave that exploded in the front of the helmet, such structure help reducing shell and corresponding helmet user head to after-acceleration, and can reduce the danger of head injury or cerebral concussion.

In other embodiments, can be without mounting blocks 11, and face shield can be through being arranged between coupling and the shell or the connection between coupling and the face shield and device for impact absorbing are connected on the shell.

In another embodiment, the device of absorbing vibration such as elastic component can be placed between pin or bolt 7 and the face shield 5, thereby for example shock-absorbing system is supported by face shield, rather than or additionally are bearing on mounting blocks and/or the shell.

Usually, the device of absorbing vibration can make face shield move with respect to shell, and limits the speed that relatively moves or change, and it can comprise any suitable element or device.

In another embodiment, face shield or other shielding parts are slidably mounted on the helmet shell, and the element of absorbing vibration or system can be arranged on and be slidingly installed between part and the shell and/or be arranged on face shield and be slidingly installed between the part.

The embodiment of this installation system can be used for any head protecting system described in this specification.

Locking mechanism

Describe below with reference to the further embodiment of Figure 21 A to 21C and 22A to 22D mask locking system.

Shown in Figure 21 A is the helmet according to another embodiment of the present invention.The helmet 31 comprises shell 33 and is connected on the shell pivotally and the face shield 35 that can raise and lower through hinge or pivot 37.Locking mechanism 39 be provided with so that face shield can be locked in lowered position and elevated position one of at least on.Show an embodiment of locking system among Figure 21 B and the 21C in more detail.But locking system 39 comprises rotation and is installed to the rotating cam 41 on the shell 31 and can rotates the manual contact button 43 of cam by hand.In this embodiment, cam mounting blocks 45 is provided, has been used for cam 41 is installed to helmet shell, the cam mounting blocks comprises any suitable device of rotatably supporting and keeping cam.Face shield 35 has first and second holes 49,51 that are formed at wherein, and each hole has in the side that is formed at the hole, so that cam 41 is housed inside the opening 53,55 in the hole.The shape in hole 49,51 and size allow cam 41 in the hole, to rotate and cam can not move through opening from the hole, thereby with respect to helmet shell face shield is locked on the fixed position.

In this specific embodiments, cam comprises elongate articles, and its width is enough little, can make cam pass opening and enter into the hole.In other embodiments, cam can be any other suitable shape, and can comprise the projection of discrete (discrete), and this projection is with respect to camshaft line 57 radial direction spaced apart (that is location, eccentric form ground).

Useful is, with needs repeatedly other locking mechanisms of spin locking nut compare, provide this cam lock system can realize promptly locking or open face shield (sub-fraction that only needs it to turn-take between locking and opening).Useful is, thus with use tightening system, its mounting blocks to need enough deeply to hold unnecessary screw lock-screw so that face shield fully clearly locking mechanism compare, camming can make the width of mounting blocks or profile " W " significantly reduce.

Figure 22 A is to shown in the 22D being another embodiment that face shield is locked onto the locking mechanism on the helmet shell.Shown in Figure 22 A is the top view of locking system, and shown in Figure 22 B is the plane of locking system, and shown in Figure 22 C is the profile through locking system, and shown in Figure 22 D is the perspective view of locking system.Figure 22 A can be used in disclosed and other any helmet of this specification to the locking system shown in the 22D, can replace above-mentioned with reference to figure 21A to the described locking mechanism of 21C.Specifically referring to Figure 22 C, thereby locking system 71 comprises and prevents lock 73 that face shield moves with respect to the shell of the helmet and through it being pushed the palp pressing piece 75 of hand that releasable lock makes face shield unclamp from latched position.In one embodiment, locking system comprises mounting blocks 77, and this mounting blocks is convenient to lay said lock set, and has an installed surface 79 that is used to be installed on the helmet shell (not shown).Mounting blocks comprises the groove 81 of laying lock 73.Offset member 83 is used for lock 73 is released groove 79, and it comprises the skew spring that is arranged in groove 81.Locking system further comprises installed part 85, and it is fixedly installed on the mounting blocks 77, wherein is formed with the hole 86 that is used to hold pressing piece (like button) 75.When button unclamps, installed part 85 with displaceable member or lock 73 at least part remain in the groove 79, and call-on button 75 moves with lock 73 each other.In use, face shield 35 and has at least one hole between installed part 85 and mounting blocks 77, the hole 227,229 of face shield embodiment shown in Figure 11 and 12 for example, and it is corresponding with the blocked position of face shield.The side in hole has opening 231,233 (Figure 11 and 12), and this opening be enough greatly holding the diameter of push button shaft 87, but less than the diameter or the width of locking piece 73.

In operating process, press the button 75, locking piece 73 moves in the groove 81, and the opening that push button shaft 87 is passed the hole of face shield unclamps face shield from latched position, thereby can raise or lower face shield as required.When face shield be positioned at can blocked position with respect to shell on the time, release button is moved in the masking aperture locking piece 73 under the effect of skew spring force, thereby face shield is locked on this position.Useful is; When the locking piece that is in retracted position no longer with masking aperture on time; Face shield can engage with the shoulder 89 of locking piece 73; Thereby make button keep down state always, up to face shield be positioned at second latched position or return wherein masking aperture again with locking piece to punctual original latched position.This structure can be pushed button once more just can make face shield move into latched position, perhaps when face shield when a latched position moves on to another position, push button unceasingly.

Useful is, can open with a hand, move or lock face shield again according to the latch-up structure of the embodiment of the invention, and reduce the width or the profile of its used any mounting blocks.

In the embodiment shown in the 22D, mounting blocks 77 also comprises face shield is pivotally attached to the installed part on the helmet shell at Figure 22 A.Useful is that the pivot installed part comprises the device of the absorbing vibration between mounting blocks 77 and face shield 35, is used for reducing as being transferred to installed part and and then being transferred on the helmet shell or rightabout vibrations from face shield with reference to Figure 19 to 20 being described.

In one embodiment, installation component can comprise alternatively and is used for light source support such as flashlight or flash lamp (not shown) or other devices clip 91 like camera.Can provide one to be used to install microphone with the similar installed part of the installed part shown in Fig. 7.

The helmet keeps system

Figure 23 A is to shown in the 23E being that the helmet keeps the system implementation example.To 23E, the helmet keeps system 301 to comprise first and

second strap guide

303 and 305 on the every side position that is installed in the helmet referring to Figure 23 A, is positioned at the position of the belt that support passes under wearer's chin.The maintenance system comprises passes strap guide 303,305 and at strap guide 303, belt 307 between 305, has formed the belt 309 that entangles chin in strap guide 303, belt part between 305.The maintenance system further comprises the supporter 311 that is connected to helmet back in use and acts on mutually with the part of wearer's head or neck.In this embodiment, supporter comprises supporter 311 is connected to the flexible piece 313,315 on the helmet movably.Belt 307 stretches to supporter 311 backward; And the maintenance system comprises two tension parts 317 (only showing one of them among Figure 12-14); Tension part stretches out from supporter 311; In pulling during tension part 317, it is arranged so that the contraction in length of the belt 307 that passes through strap guide 303,305 that stretches out from supporter 311.The collar 319 or miscellaneous part or characteristic are set so that catch tension part on one or two tension part.

In the present embodiment, tension part is the part of belt 307, and the maintenance system comprises the additional strap guide 321 that is connected on the supporter 311.Each strap guide 321 comprises cylindrical guide 323 and stretches out and form along its length the rod member 325 in hole from cylindrical guide.Belt is walked around column and is passed through the hole; Thereby changed the direction of belt; Through along the belt part of stretching out the additional strap guides opposite side, can make the Belt Length shortening of from additional guide member 321, stretching out and passing through first and second guides 303,305 towards the positive direction tension of maintenance system.In use; This action can be strained the belt that entangles the helmet wearer chin; Can make simultaneously the back of supporter again near head or neck; Therefore compare with other maintenance systems that needs are regulated chin and collare supporter respectively, this system has significantly reduced the number of steps that helmet fix in position is required.

To 23E, rod member 325 so is installed on the column referring to Figure 23 A, and when tightening belt, the interval between rod member and the column is drawn close, and compresses the belt between rod member and the column.When unclamping belt, the friction between belt and the guide can prevent that belt from passing through guide and sliding back, thereby can keep the tension force of the part of additional skin strap guide and first and second strap guide 303, the belt between 305.Through the surface texture that is provided with as making the column surface that higher friction is arranged with knurled surface in one embodiment.

Can provide tripping-gear to open strap guide 321.In this embodiment, can discharge belt through the pulling rod member to increase the gap between rod member and the guide and to unclamp belt.A draw ring 326 that stretches out from rod member 325 can be set, so that spur rod member and discharge belt.The shape of draw ring 326 and characteristic can be different from tension part 317, thereby different senses of touch and vision are arranged between them, and person easy to use can distinguish them at an easy rate.

Can provide a connector releasably to be connected on another part of belt, and this connector is positioned at from supporter and stretch out the Belt Length scope through strap guide 303,305 with a part with belt.In the embodiment shown in Figure 23 A, belt connector 327 is arranged on the part of first and second strap guide 303, the belt between 305, and navigates to a side, and like this, in use, connector just navigates to one side of face rather than under chin.The more convenient contact in this location is also more comfortable.Useful is, this embodiment provide two independently tripping-gear take off the helmet.Connector 327 comprises quick release connector, so that in emergency or take off the helmet for ease.In the embodiment shown in Figure 23 A,, chin pad 330 is provided for more comfortable.In this embodiment, the size of chin pad is stretched out on the jaw and is positioned at after the connector 327, directly contacts with face to prevent connector, like this can be more comfortable.

Shown in Figure 23 B is another embodiment of maintenance system, and it comprises two independent chin pad 329,331, and each all is to be slidably mounted on the belt 307, and its position can be adjusted to be fit to different users like this.

Shown in Figure 23 C is another embodiment of maintenance system, and it also comprises two adjustable chin pad 329,331, and at this connector between the two 327, thereby in use, connector is positioned under the chin.Shown in Figure 23 D and the 23E is the part that the more detailed helmet keeps system, and especially, shown in Figure 23 D is the rearview of supporter and associated belt guidance set, and shown in Figure 23 E is the top view of embodiment shown in Figure 15 D.

Figure 23 D and 23E have provided each additional strap guides in more detail, and it also can be as the additional strap guides of Figure 23 A in the 23C embodiment.Each strap guide all comprises roller or the annular knurl bracelet with the ring 324 that is rectangle basically, and is slidably received within the column 323 on two arms of ring through the hole.One side of ring is fixed on the supporter 311, and opposite side 325 provides rod member, and column provides the clamping force that is used to clamp belt 307 when tightening belt 307 simultaneously, thereby column 323 is pushed to rod member.When unclamping clamping force, shown in figure 16, rod member is put from supporter 311 simply, makes the column rod member 325 that slips away, and expands the gap between them, thereby unclamps belt 307.

In this embodiment, on each flexible piece 313,315, clip 343,345 is set all, takes off so that helmet maintenance system is installed on the helmet or from the helmet.In this embodiment, each clip all has T shape hole, be installed in the helmet on corresponding T-nut match.

Useful is that the belt that entangles chin can be enclosed within chin or the jaw, leaves the front of chin, so that can lay breathing equipment such as breathing mask in the helmet.

The further embodiment of maintenance system

Shown in Figure 24 and the 24B is another embodiment that the helmet keeps system, and it is the same to the maintenance system shown in the 23E with Figure 23 A in some aspects, but some tangible differences are also arranged.This maintenance system comprises the connector 351,353 that is used for releasably connecting belt 357 under chin cup 355 or the jaw that is positioned at its either side.Useful is, can be as requested or the user need belt under chin cup (chincup) or the jaw be used for the maintenance system.In addition, because chin cup can't be shared with respirator or breathing mask, when using respirator, can bring the replacement chin cup with the jaw hypodermis.Connector in this specific embodiment is miniature seat belt type bracelet, and male connector can be on maintenance system or chin cup or belt, and recessed connector is positioned at wherein on another, and is perhaps opposite.

Maintenance system shown in Figure 24 A and the 24B is to another important difference of the described maintenance of 23E system with the above-mentioned Figure 23 of combination A: collare supporter 361, and shown in Figure 24 C.In the present embodiment, the belt 363,365 that collare supporter 361 is connected to helmet back (not being perpendicular) at a certain angle stretches out from the collare supporter, is directed to and 367 meets in the public domain.Adjustable straps 360,371 is stretched out with an angle (not being level) downwards from collare supporter 361, also is directed and 367 meets in the public domain.The inventor finds that wherein supporter and adjustable straps are directed to the such structure in public domain of collare supporter, can prevent to twist into a branch of or be buckled together straining adjustable straps collare supporter when the helmet being fixed on wearer's head.In addition, adjustable straps has downward angle to make can be forward and strain adjustable straps backward, and do not need side draw adjustable straps as before, and the needed power of last action simultaneously is littler, also more natural.

In the present embodiment, adjustable straps 371,369 reaches the bottom of retainer 373 from collare supporter 361, upwards reaches on connector or the fixture 375 again, thereby retainer is fixed on the side or positive part of the helmet.In this embodiment, the bottom comprises the slip ring 377 that is connected on chin cup or the belt connector 351.

In this embodiment, retainer also comprises sidepiece supporter or liner 381,383, in use, places against the side of user's head or face, with more comfortable and provide extra being used for that retainer is installed to the surf zone on the human body.What this side pads 381,383 can also make adjustable straps extends upward part 370 away from the wearer, thereby more comfortable.This sidepiece supporter comprises the loudspeaker that is used for voice communication alternatively.

Shown in Figure 24 C is chin cup according to another embodiment of the present invention, and it can be used for keeping system with reference to the figure 24A and the described helmet of 24B, and the helmet that maybe can be used for any other keeps system.Chin cup 340 comprises chin pad 342, and this chin pad has and is positioned at or near the hole 344,346 of end 348,350, so that chin pad 342 is connected on the connector 351,353.Chin cup further comprise from connector 351,353 pass hole 344,346 and around and against the positive belt up and down 352,354 of liner 342.Last belt 352 upwards stretches out from hole 344,346 and is positioned to against the position on the top 356 of chin pad 342, and following belt 354 stretches out downwards generally from each hole and is positioned to against the position of the lower part 358 of chin pad.One or two belt remains on one or more appropriate locations along its length, can not slide to the middle part 360 of chin pad to guarantee belt.In this embodiment, first and second belts 352,354 are made up of same band, and in other embodiments, and belt also can be made up of belt independently up and down.In this specific embodiments, belt is so to form up and down: thus middle part that will continuous belt prevents against the bottom of chin pad and through the hole, through corresponding hole 366,368 in each connector 351,353 in knotting on each end 362,364 of belt, return through corresponding hole 344,346, again through sewing up or other any suitable manner end 362,364 is bound up belt 352 in the formation again.

Belt separately is provided; Wherein belt top is positioned to be positioned to the lower part against chin pad against the top of chin pad and the lower part of belt; When chin cup is worn on wearer's chin; Come to light and improved the stability of chin cup greatly, and especially, the cooperation that can provide more firm and can prevent that chin cup from throwing off or reduced the tendency that chin cup is thrown off chin from chin comes to light.In use, normally go up belt be positioned at chin outstanding on, following belt be positioned at chin outstanding under.Useful is, chin pad can be selected the material of relative flexibility for use, and/or has non-slidingsurface and to prevent chin cup from sliding it is remained on the desired location.

Chin cup can comprise any suitable material, and in each embodiment, chin cup or liner can comprise the thermoplastic elastomer with soft durometer, has following arbitrary or all properties: the performance of Hypoallergenic and/or fireproof and/or anti-chemical.Said material can comprise Santopreme ^TMRank is like the Santopreme of medical grade ^TM

Comfortable lining

The embodiment of head protector can be provided with adjustable lining in the head cavity of the helmet, be fit to head size and/or variform personnel with the size that can regulate head cavity.Useful is can only make the helmet shell (and miscellaneous part of head protector) of a size like this, thereby can reduce production costs.This comfortable lining also takes out in the cavity from the head, can wash or clean or use jointly with the other helmet.The embodiment of said lining is shown in Figure 25 A and 25B, and Figure 25 C has provided embodiment further to 25E.

Referring to Figure 25 A, the lining 601 of the helmet is cup-shaped, has sidewall 603, following peripheral 605 and is connected in the upper crown 607 on sidewall 603 upper ends 609.Around sidewall 603, be provided with a plurality of maintenance circles (retainer) 610,612,614,616,618, in this embodiment, keep circle to be arranged on the lateral faces, be positioned at helmet head cavity, therefore be known as the inwall of lining.One or more maintenance circles can be arranged on around the inwall 620 of lining, towards user's head but in other embodiments.

The sidewall of lining can be used any suitable material, preferably uses padded coaming.Sidewall has the plate portion that stretches to the groove type of its underpart from top, and (shown in dotted line) can form through making (stitching) 627.The strip material that keeps circle to be extended by the inwall along lining forms, and keeps the compartment of astragal to link on the lining to form bag 631 betwixt.Useful is, keeps astragal to have on the same mode of the making permanent lining of concave-board 623,625 by providing.

In order to regulate the size of head cavity in the lining, can provide to be inserted on the select location of filler around the lining to keep in the circle 612,614, to obtain the most suitable individual's head cavity size and shape.Filler can be made up of any suitable material, preferably elastomeric material such as suitable foam or other materials.Keep circle 612,614 also can process, comprise the for example elastomeric material of foam by any suitable material.Lining also can be made up of fire proofing material, to satisfy needed safety standard.

For filler is fixed in the helmet, in one embodiment, used is the impact absorption filler that is placed between lining and the helmet shell.Referring to Figure 25 B, strip material 641 is placed on the impact absorption filler 643, and closely cooperates with the bottom of filler.When filler 643 bottoms broadened, band was pulled to the edge, and retainer belt has compressed filler, thereby made and can't easily band be drawn back from edge.Retainer belt comprise with lining be connected to on jockey, in one embodiment, it can adopt slide fastener.In the embodiment shown in Figure 25 B, a side of slide fastener 645 is fixed on the retainer belt 641, and the opposite side of slide fastener 645 is linked on the lining, shown in Figure 25 A.In process of production, can retainer belt 641 be fixed on the appropriate position on the impact absorption filler 643, again said composition be inserted in the helmet shell.

In other embodiments, filler keeps circle to be made up of any other suitable device, and can around whole lining, extend or only on its part, extend.

Bizet 607 also can be provided with one or more maintenance circles and be used to keep filler, thereby the height that can regulate head cavity is fit to different wearers.

To adopting other alternative methods the embodiment that lining is connected on the impact absorption filler is described to 25E below with reference to Figure 25 C.

Shown in Figure 25 C is comfortable according to another embodiment of the present invention lining 601 and impact absorption filler 643.Comfortable lining 601 with above identical shown in said and Figure 25 A and the 25B, same parts are represented with identical Reference numeral.In this embodiment, comfortable lining outside is extended with outer shroud (or ring or flange) 603, and it is positioned on its lining base that has a plurality of isolated securing members 632.Impact absorption filler 643 has a plurality of complementary fasteners 644 that are positioned at around its lower limb 646, matches with the securing member 632 of lining.Lining can be protruding/recessed structure with the securing member that absorbs filler, and recessed part can be connected on the comfortable lining, and protruding part is connected to and absorbs on the filler, and is perhaps opposite.In one embodiment, recessed securing member comprises button (button), and the protrusion securing member comprises corresponding button head (stud).In this embodiment, only need simply the securing member on lining and the filler just can lining to be fixed on the impact absorption filler to pressing together.One or more draw rings are set on comfortable lining or enclose 643, take off lining from filler so that after comfortable lining is connected on the impact absorption filler, be easy to touch.In one embodiment, draw ring or circle can be positioned at the back or the side of the helmet, so that can not hamper wearer's face.

Shown in Figure 25 D is that comfortable lining releasably is fixed to the other a kind of device on the impact absorption filler.In this embodiment, comfortable lining 601 (with top said identical) has outward extending outer shroud (or ring) 603, it be positioned at supporting a plurality of by Velcro ^TMOn the lower limb 605 of the fixed strip 650 that constitutes.Complementary fixed strip 652 is arranged near the peripheral edge 646 of impact absorption filler 643; In this embodiment; Fixed strip can be installed on the one or more supporting members 654 that are fixed on the filler outward flange 646 (in this embodiment through any suitable device; Be forward and backward supporting member), comprise the device that allows supporting member to be removed or to replace.In this embodiment, a plurality of threaded fillers 656 are installed near the impact absorption filler edge, and supporting member is connected on the filler through the nut that will be contained in the screw thread filler 656.

Shown in Figure 25 E is that comfortable lining is fixed to the another kind of structure on the impact absorption filler, some aspects identical with shown in Figure 25 D.With recited above the same, comfortable lining 601 has the outward extending outer shroud (or ring) 630 that is positioned on its base of supporting fixed strip 660 605.Fixed strip and two side fixed strips that reach the lining back before this embodiment comprises.Complementary fixed strip 664 is through one or more supporting members, is supporting member 670 behind a forward support 668 and in this example, is installed on the outward flange 646 of impact absorption filler 643.Supporting member is fixed on the filler with the mode same with embodiment shown in Figure 25 D (promptly through screw and the filler with screw thread), but in this embodiment, screw also passes the hole 672 in the complementary fixed strip 664.Complementary fixed strip can also be fixed on the supporting member with binding agent or other auxiliary fixing device.In this embodiment, fixed strip has formed between lining and filler than the more continuous connection of Figure 25 D illustrated embodiment, and the screw that passes fixed strip has improved the bonding strength between fixed strip and the filler, and has further improved their durability.In the embodiment shown in Figure 25 D, fixed strip can comprise Velcro ^TMOr other any securing members with interactive surfaces.In any one embodiment of above-mentioned lining, outer shroud or encircle 630 can be continuous also can be discontinuous.

Helmet control system

The control system embodiment of the helmet or head protecting system is described below.

The perspective view of the helmet according to another embodiment of the present invention shown in Figure 26 and 27.Referring to Figure 26 and 27, the helmet 401 comprises shell 403 and control module 410.The helmet further comprises the power driven system of the various functions that are provided for helping the wearer, and power driven system can be arranged in control module, or is arranged in other parts of the helmet, perhaps has among the two.Control module 410 is used to control the electric power of the function of power driven system like the system of flowing to.The control system comprises surveillance, is used to keep watch on situation or the function of power driven system and can provides output to show.

Useful is that control module is to be installed to releasedly on the helmet shell to allow control module to be removed.Can replace the control module that breaks down easily like this, but the helmet is returned the scene with service state, and will not send to the maintenance center by the whole helmet, under the sort of situation, the helmet will have a very long time not use.In one embodiment, control module can be installed on the shell with any suitable device slidably, and it comprises maintenance and slide-and-guide system 412.The control system can comprise one or more electric input/output terminals, and it is connected with corresponding electric input/output terminal 414 on being installed in helmet shell.

In one embodiment, control module comprises one or more electric fans or other impeller units 416,418, and for example being used for providing ventilating air through ventilating opening 420,422 to helmet.The helmet can comprise microphone 415 and/or speaker system (shown in Figure 24 A and 24B) and face shield 405.In a preferred embodiment, the inner surface of face shield is handled with moisture or condensation depressant, and said moisture or condensation depressant reduce to the demand of ventilating air or fully without ventilating air, thereby prevents the inner surface generation condensation of face shield.So reduced ventilating air amount (like CFM) required in the helmet, thereby reduced energy consumption, and compared with existed system, power supply (like motor) can be smaller.The ventilating air demand reduces can also make motor more pipe down in use, thereby motor is contained in the position near helmet shell, also can not cause serious noise and interference tones equipment.

The helmet can comprise indicator, is used to the state and the function of indicating control module to monitor, and indicator can comprise audio indicator, visual indicator or tactile indicators, or the indicator of above-mentioned any combination.One or more indicators can be in control module and/or in the miscellaneous part of the helmet.

Other views of the helmet among Figure 26 and 27 are shown in Figure 28 to 30, and the helmet can comprise disclosed one or more further characteristics in this specification.

Basic control module and remote control module

The embodiment of head protector comprises and is installed to the basic control module that is used to control head protector related electric function on the helmet.Head protector alternately or additionally can comprise the remote control module of the control electric function relevant with head protector, and remote control module can be installed in the position away from head protector in use, as be contained on the arm, on the leg or on the trunk.If two kinds of modules are provided, then these two kinds of modules can be used for controlling at least a identical electric work ability, if therefore a control module breaks down, then this specific function can also be controlled by another module.Useful is, remote control module comprises panel visual when using, and this panel comprises keyboard or other input unit, and visual function indicator.Remote control module can comprise and is fixed on arm, the leg control module and the device on the trunk.

Embodiment shown in Figure 31 comprises the head protector 801 that has basic control module mounted thereto 803 and be connected to the remote control module 805 on the basic module 803 through cable 807.This cable is used for to remote controller power supply being provided from the helmet, data communication signals simultaneously, thus remote controller can be controlled in the helmet not limited number characteristic.Thereby controller can also be inquired the electric component receiving status information of the helmet.Remote controller comprises cavity or housing 809; It holds required electronic circuit and user interface 811; User interface has and is used to receive a plurality of keyboards or the switch 813 of user's input with the control system; And one or more indicators, these indicators comprise indicator lamp and/or to the user display system status information comprise literal with the numeral display.

Shown in Figure 32 is the chief component of remote controller.Remote controller comprises user interface 811 (as stated), microprocessor 815, transceiver 817 and connector 819.Microprocessor 815 is used to control RCU.Specifically, microprocessor be used for monitoring user button, driving condition indicator, communicate by letter with transfer instructions with the basic control module of the helmet and obtain status information.In one embodiment, use simple serial communication protocol and electronics basic module to carry out efficient communication, thereby reduced the number that need be connected to the lead on the helmet.Reduce the lead number and make the durability of system stronger, more not easy fault.

Transceiver receives the serial data of from processor, and uses the signal consistent with required communication standard to drive cable.In one embodiment, can use the RS232 communication standard, this standard provides communication linkage very reliably, and this link does not receive electrical Interference and electrostatic discharge effect, is beneficial to especially under adverse circumstances to operate.Connector transmits signal between transceiver and helmet basic module, and can comprise that simple RS232 serial data connects, and it is used to transmit electric power and remote signal.As stated, use the required number of lead wires that limited connected in series, and use the RS232 electrical standard that the noiseproof feature and the electrostatic protection of height are provided.

Shown in Figure 33 A and the 33B is the embodiment of remote controller.Remote controller 805 comprises that cavity 811 is fixed to the belt 813 on wearer's the arm with being used for remote controller.Belt one end is fixed to a side of cavity, and its other end forms ring-type through the groove 825 that is positioned at controller cavity opposite side.Securing member such as bracket 827 are arranged on the outer surface of one of which side belt, and complementary fasteners is bracket 829 for example, are arranged on the inner surface of the other end of belt, through can fastening belt with folding to himself behind the belt, thereby securing member are linked together.

In another embodiment, remote control module can be contained in the bag with window or opening, makes the user can see and touch display and control panel.The instance of this structure is shown in figure 34.

Referring to Figure 34, pipe box 901 comprises bag (or retainer) 902, wherein is inserted with the remote controller of the relevant one or more functions of control crash helmet.Bag 902 has window or open area 904, makes the user can see or touch the user interface 905 of controller.User interface comprises and is used to indicate the helmet or controller (or other devices) one or more visual detectors of correlation behavior and one or more keyboards or the button that is used to receive user input instruction.Bag 902 comprises the hole 906 that is used to hold communication cable 907.Communication cable can extend around the pipe socket of pipe box 901, and is returned the helmet along the inside of pipe box.In another embodiment, cable 907 can directly directly lead to controller through the inside of pipe box.Opening or window can comprise the front of transparent protective layer with the protection remote controller.

Another instance of basic control module and remote control module such as Figure 35 A are to shown in the 35B.Basic and/or remote control module can comprise following one or more control functions.

1. climate control fan comprises speed and turbine propulsion (receiving time restriction)

2. speaker volume control

3. searchlight is controlled ON/OFF and/or luminance level

4. face shield fog-proof device (can comprise the heater that is associated with face shield)

5. chain of command backboard illuminator (a little less than light time illuminate control function)

Basic control module and remote control module can be controlled any other function.

The basic control module that is installed on the helmet can comprise the power supply that drives the various electric devices that are associated with head protector, and can store enough electric energy, thereby need not complementary portable power supplies.

Shown in Figure 35 D is the embodiment of the electronic module of crash helmet.Module 250 comprises that the back that is contained in the helmet 253 is used to hold the cavity 252 of circuit 254.Cavity is an electromagnetic shielding, disturbs external equipment or external equipment interfered circuit to prevent circuit.Cavity is gas-tight seal, thereby prevents that moisture from getting into.

Module also comprises air vane cavity 255,256; In this embodiment; The air vane cavity is installed in the either side of electric cavity 252, is used to hold and air vane 258,259 is installed, thereby to helmet ventilating air is provided through one or more carrier pipe (not shown).

Air cleaner 262,264 can be set, before air gets into the helmet, air is filtered on the fluid passage of impeller.

Module further comprises the cavity that is used for power supply, and it comprises one or more battery cavitys 267.The lid 271 that electric cavity 252 comprises the lid 269 of seal chamber and can be connected to the back of module easily releasedly is arranged for sealing various modular units, comprises power supply, impeller and electric component.In other embodiments, can omit any or multiple above-mentioned parts in the control module.Circuit can be arranged for control or keep watch on above-mentioned any function.

Light source

The embodiment of head protector comprises the light source that is fixed to the helmet or face shield front.Light source can be based on the preferably LED efficiently of light source.Light source can comprise reflector and light is converged to the lens of required form and width light beam.Light source can comprise two laterally spaced independent light sources.Each light source all produces light beam, and light beam can point to any required angle relative to each other, can assemble as required or disperse.Each light source all comprises light emitting diode, and can comprise further that reflector and/or lens are to produce required light beam.Light source can be by the DC power supply as being installed on the helmet or other local battery case power supplies.

Any change and change to the foregoing description are conspicuous for the person of ordinary skill of the art.

Claims

1. head protecting system comprises:

Helmet shell;

Be positioned at the erecting device on the said helmet shell, said erecting device with face shield be installed to pivotally make on the said helmet shell face shield can raise and lowered position between move;

Releasably face shield is remained on the holding device on the said erecting device; With

Face shield; It is arranged to be installed on the said erecting device; Said face shield comprises first transparent material layer and fixes or be bonded to a plurality of bullet resistant material layers of said first transparent material layer that said a plurality of bullet resistant material layers define and allow the open area of light through said face shield.

2. head protecting system according to claim 1 comprises:

Cover second transparent material layer in said transparent apertures zone, said second transparent material layer is adjacent with first transparent material layer and be positioned at the front of first transparent material layer, and it is regional to extend through said transparent apertures.

3. head protecting system according to claim 2, wherein:

Said second transparent material layer extends on the transparent apertures zone of said relatively face shield.

4. head protecting system according to claim 3, wherein:

Said transparent apertures zone is limited peripheral boundary and the peripheral edge of said second transparent material layer is positioned to the regional peripheral boundary of contiguous said transparent apertures.

5. according to claim 2 or 3 or 4 described head protecting systems, wherein:

Said face shield has the front and back, and said second transparent material layer is positioned to towards the front of said face shield and said first transparent material layer is positioned at the back of said second transparent material layer.

6. according to the described head protecting system of arbitrary claim among the claim 2-4, wherein:

Said second transparent material layer comprises one of acrylic resin and glass.

7. according to the described head protecting system of arbitrary claim among the claim 1-4, wherein:

Said face shield has the front and back, and said first transparent material layer is positioned to the back that front and said a plurality of bullet resistant material layer towards said face shield are positioned at said first transparent material layer.

8. according to the described head protecting system of arbitrary claim among the claim 1-4, wherein: said bullet resistant material comprises

9. according to the described head protecting system of arbitrary claim among the claim 1-4, wherein:

Said face shield comprises forward part and left part and the right portions that is formed by said transparent material layer, and said a plurality of bullet resistant material layer extends on the part at least of said side sections.

10. according to the described head protecting system of arbitrary claim among the claim 1-4, wherein:

Said first transparent material layer comprises the lower part that is formed and be positioned at the below in said transparent apertures zone by said first transparent material layer, and said a plurality of bullet resistant material layer extends on the said lower part.

11. according to the described head protecting system of arbitrary claim among the claim 1-4, wherein:

Said first transparent material layer comprises Merlon or acrylic resin.

12. head protecting system according to claim 11, wherein:

Said first transparent material layer comprises Merlon.

13. according to the described head protecting system of arbitrary claim among the claim 1-4, wherein:

Comprise said first transparent material layer and when the part of the said face shield of a plurality of bullet resistant material layers that extend on said first transparent material layer is adopting testing standard MIL-STD-662F and using the 0.22mm projectile that defines among the MIL-P-46593A to test, have the V-50 or the above impact grade of 600 meter per seconds.

14. according to the described head protecting system of arbitrary claim among the claim 1-4, wherein:

Said a plurality of bullet resistant material layer is normally opaque.

15. according to the described head protecting system of arbitrary claim among the claim 1-4, wherein:

Said a plurality of bullet resistant material layer is bonded together to form laminate.

16., further comprise according to the described head protecting system of arbitrary claim among the claim 1-4:

Releasably face shield is remained on the holding device on the said erecting device.

17. according to the described head protecting system of arbitrary claim among the claim 1-4, wherein:

When the user put on the said helmet and said face shield and is in the position of loweing, the shape of said face shield was suitable for holding the respirator that is contained on the face.

18., further comprise according to the described head protecting system of arbitrary claim among the claim 1-4:

Releasably with said face shield be locked in raise with lowered position in locking device on one of at least; Said locking device comprises being installed in and is used to lock pressure-locking part and being connected to the pressing piece that the hand on the said locking piece can contact of said face shield on the helmet shell.

19. head protecting system according to claim 18 further comprises:

Be positioned at the front of said locking piece and the block piece that stretches out from said helmet shell; Said block piece is used to engage the part of said face shield and is configured to prevent that the backward motion of said face shield with respect to said shell, wherein said block piece are configured to also prevent that the anterior power of said face shield is passed to displaceable member.

20. head protecting system according to claim 19, wherein:

Said block piece part at least is flexible to absorb mechanical shock.

21. head protecting system according to claim 19, wherein:

Said block piece is positioned at the front of said displaceable member.

22. according to the described head protecting system of arbitrary claim among the claim 1-4, wherein:

Said helmet shell is the opening helmet shell of face.

23. according to the described head protecting system of arbitrary claim among the claim 1-4, wherein:

Said helmet shell comprises a plurality of bullet resistant material layers, and said bullet resistant material layer comprises