TW201701787A - Protective headgear, systems, and methods - Google Patents

Abstract

A protective headgear device includes a helmet shell and a shield coupled to the helmet shell. The helmet shell defines an interior cavity for receiving a head and a first viewing port. The shield is coupled to the helmet shell by a plurality of arms such that the shield is moveable from a first position in which a second viewing port defined by the shield is at least partially aligned with the first viewing port to a second position that is different from the first position. At least a first arm and a second arm of the plurality of arms are detachable from the shield.

Description

Protective helmet, system and method Revealing the field

The disclosed devices and systems are related to guards. More particularly, the disclosed devices and systems are directed to guarding the head and neck of a user.

background

Different manufacturing processes pose a specific hazard to those who perform these procedures. For example, fusion of metal, thermoplastic or other materials produces a bright light emission that can damage the human eye. Moreover, the welding also produces a spark, which is harmful if the person's skin or eyes come into contact with the spark, and also produces toxic fumes that are harmful if ingested.

In an embodiment of the present disclosure, a protective helmet device is disclosed. The protective helmet device includes a helmet shell and a shield coupled to the helmet shell. The headgear casing defines an internal cavity for receiving a head and a first viewing port. The shield defines a second view and is coupled to the hood by a plurality of arms, the shield being movable in a first position and a different from the first position Between two positions, in the first position, the second viewing system is at least partially aligned with the first view Sight. At least one of the plurality of arms and a second arm are detachable from the shield.

In accordance with another embodiment of the present disclosure, a protective helmet apparatus includes a headgear having a casing. The casing defines an internal cavity for receiving a person's head, a first viewing port, an opening, and a plurality of conduits. The opening is disposed in a rear portion of the casing and is in fluid communication with each of a plurality of conduits extending from the opening toward a front portion of the casing. A first optical component is disposed within the first viewing port. A hose system includes a first end and a second end. The first end of the hose includes a first nozzle for connecting the first end of the hose to an opening defined by the helmet, and the second end of the hose includes a second nozzle for The second end of the hose is connected to an air supply. At least one of the first nozzle and the second nozzle is configured as a disconnect.

A system is also disclosed that includes a helmet with a cover. The casing defines an internal cavity for receiving a person's head, a first viewing port, an opening disposed at a rear portion of the casing, and a plurality of conduits. Each of the plurality of conduits is in fluid communication with an opening defined by the casing. A first transparent guard is disposed in the first viewing port. A shield defines a second viewing ridge, and the shield is coupled to the hood of the hood by a plurality of arms, such that the shield is movable in a first position and different from the first Between the second positions of the position, in the first position, the second viewing pupil is at least partially aligned with the first viewing pupil. A hose system includes a first end and a second end. The first end of the hose includes a first nozzle for connecting the first end of the hose to an opening defined by the casing, and the soft The second end of the tube includes a second nozzle for connecting the second end of the hose to an air supply. The shield includes a magnet for engaging a first object of the sleeve to maintain the shield in the first position, and engaging a second object of the housing to maintain the shield In the second position.

23‧‧‧Bolts/screws

31‧‧‧ top side pad

32‧‧‧Back side pad

33-1‧‧‧ right side pad

33-2‧‧‧left pad

50‧‧‧Neck curtain/liner

100‧‧‧ protective helmet

102‧‧‧Helmet cover

102A‧‧‧ interior wall

104‧‧‧ internal cavity

105‧‧‧Neck opening

106‧‧‧External protective shield

108‧‧‧Upper support arm

108-1,108-2‧‧‧Linear upper support arm

110‧‧‧ angular lower support arm

110-1,110-2‧‧‧ angular support arm

112‧‧‧First fixture

114‧‧‧second foot

116‧‧‧First foot

118‧‧‧ elbow

120, 120-1, 120-2‧‧‧ second fixture

120A-2‧‧‧Long pin structure

121, 122-1, 122-2, 122-3, 122-4, 122‧‧ ridge

124‧‧‧Hose connection unit

126‧‧ Air flow duct

128,128A, 170‧‧‧ openings

130‧‧‧First viewing

132,140‧‧‧ Optical components

134‧‧‧shims/shoulders

136‧‧‧Frame

138‧‧‧Second viewing

142‧‧‧ shoulder

144‧‧‧Card parts

146‧‧‧ pivot mounting device

148‧‧‧ pivoting projection

150‧‧‧Threaded fasteners

152‧‧‧Opening

154,166,168‧‧‧ recess

156‧‧‧ inside of frame 136

158‧‧‧ upper edge of frame 136

162,164‧‧‧ magnet

172‧‧‧Reduced diameter part

174‧‧‧ peripheral ribs

176‧‧‧Complementary recess

200‧‧‧Hose

202‧‧‧Nozzles

300‧‧‧Air delivery system

A-A‧‧‧ line

1 is a side elevational isometric view of an example of a protective helmet including a protective drooping curtain according to some embodiments; FIG. 2 is a front side view of the protective head member illustrated in FIG. 1 according to some embodiments; 3 is a bottom isometric view of the protective helmet of FIG. 1 according to some embodiments without a protective neck drape; FIG. 4 is a left side plan view of a protective helmet without a protective neck drape according to some embodiments. Figure 5 is a right side plan view of a protective helmet without a protective neck curtain according to some embodiments; Figure 6 is a cross-sectional view of the protective helmet taken along line BB of Figure 5, according to Figure 5 of some embodiments. 1 is a front plan view of the protective helmet of FIG. 1 showing a shield without a protective neck drape and having a shield in a retracted position; FIG. 8 is a diagram according to some embodiments. 7 is a cross-sectional view taken along line AA of FIG. 8; FIG. 9 is a diagram of FIG. 1 showing a shield without a protective neck drape and having a retracted position according to some embodiments. Protective helmet 10 is a top plan view of a shield for a protective helmet according to some embodiments; FIG. 11 is a shield along the line of FIG. 10 according to FIG. 10 according to some embodiments. A cross-sectional view of the AA; FIG. 12 is a rear side plan view of the shield for the protective helmet according to FIG. 10 of the partial embodiment; FIG. 13A is a second embodiment according to some embodiments. a side view of the shield helmet of the shield in position, in which the viewing pupil of the shield is not aligned with the viewing pocket of the casing; FIG. 13B is a view of FIG. 13A according to some embodiments The protective helmet is taken along the line AA of FIG. 13A; FIG. 13C shows the detail B shown in FIG. 13B according to some embodiments; FIG. 13D illustrates the shield that has been detached from one arm according to some embodiments; 14A and 14B are perspective views of the helmet having the head of the wearer in place and the left side of the headgear cover removed to show the pad and the removable comfort pad; Figures 15A and 15B are not presented, respectively Figure 14A and 14B are perspective views of the user's head; Figures 16A and 16B are used for Figure 17A is a side view of the helmet of the present disclosure, which identifies planes A-A and B-B for the sections shown in Figures 17B and 17C, respectively; Figure 17B shows a section taken through AA as identified in Figure 17A; Figure 17C shows a section taken through BB as identified in Figure 17A; Figure 18 is a protective helmet according to one of the embodiments, An isometric view of a hose and an air supply unit protection system.

A detailed description

The description of the exemplary embodiments is intended to be interpreted in conjunction with the drawings, which are regarded as a part of the full written description.

The disclosed protective helmet advantageously provides a controlled (eg, heated, cooled, and/or filtered) flow of air to the user while protecting the user from airborne contaminants and ultraviolet/infrared light or other potentially harmful light. . Moreover, the disclosed protective helmet includes a multi-point pivoting shield that reduces the outward extension of a protective visor so that the visor can be pivoted from a retracted position to a deployed position in the confined region, and The protective helmet also includes a quick release mechanism that can easily replace a protective filter device supported by the shield. These and other advantages will be apparent upon reading the following description of various embodiments.

Referring now to the drawings, and in particular to FIG. 1, an example of a protective helmet 100 is illustrated. As shown in Figure 1, the helmet 100 includes a headgear casing 102 (Fig. 3) for defining an internal cavity 104 that is sized and assembled to receive a person's head therein. In some embodiments. The helmet shell 102 includes two or more sections, and the two or more sections are used Adhesives, screws, integral riveting mechanisms, and/or other methods for coupling the two or more portions together are assembled or joined together. For example, the headgear casing 102 can include two individual molded portions that are joined together to form a complete casing. In the depicted example depicted in the drawings, the two individual molded portions are joined together by a plurality of bolts/screws 23 (e.g., Figures 5, 6 and 8). However, it will be understood by those skilled in the art that the helmet shell 102 can also be formed as a unitary structure. A protective drape 50 can be attached to the helmet shell using Velcro®, rivets, zippers, fixed buttons, welds, or other attachment features as will be appreciated by those skilled in the art. The next part of 102.

The helmet shell can be made of a material that will provide suitable impact resistance and durability to provide protection to the person wearing the helmet 100. Durable polymers such as polycarbonates, polycarbonate alloys, or other similar polymers are some examples. Other non-polymeric materials may be used as long as they provide the desired impact resistance and durability and the material properties provide manufacturability.

As shown in Figures 1 and 2, the helmet 100 includes an outer shield shield 106. The shield shield 106 includes a frame 136 for defining a second viewing pocket 138 and is disposed on the front of the helmet shell 102, as described below in connection with FIG. The helmet shell 102 defines a first viewing pocket 130.

The shield shield 106 is pivotally coupled to the helmet shell 102 by a plurality of arms at a plurality of locations on the left and right sides of the headgear casing. For example, in the depicted example, the shield shield 106 is comprised of four support arms, including two linear upper support arms 108-1, 108-2 (collectively referred to as "upper support arms 108") and two Angled support arms 110-1, 110-2 (collectively referred to as "lower support arms" The 110" or "angled lower support arm 110") is pivotally coupled to the headgear casing.

The pivotal coupling between the protective shield 106 and the hood casing 102 allows the protective shield to be movable between a first position and a second position different from the first position, in the first position The second viewing 埠 138 is at least partially aligned with the first viewing 埠 130.

In some embodiments, the upper support arm 108 is positioned above the helmet casing 102 relative to the angled lower support arm 110. Each of the upper support arms 108 is detached via a fixture 112 such as a pair of screws, pins, or other fastening means that enables the upper support arm 108 to be pivotally coupled to the hood casing 102 and the guard shield 106. It is coupled to the helmet shell 102 and the shield shield 106.

Each of the angular lower support arms 110 includes a pair of diverging feet 114, 116 that are coupled to each other at an elbow 118, as best seen in FIG. The first leg 116 is pivotally coupled to the hood casing 102 by a first fixing device 112, and the second leg 114 uses a second fixing device 120 (120-1 or 120-2, depending on Which of the two lower support arms 110-1 and 110-2, but collectively referred to herein as 120), is pivotally coupled to the shield shield 106.

In some embodiments, the second fixture 120 is identical to the first fixture 112, and in some embodiments, the second fixture 120 is different than the first fixture 112. In some embodiments, the second fixture 120 is configured to connect the lower support arm 110 to the shield shield 106 in a releasable manner. Figure 13C shows a second fixation that is reconfigurably connected by a group The detailed structure of the corresponding docking portion of device 120-2 and guard shield 106.

In Figure 13C, a detailed view of the fixture 120-2 is shown by way of example and may be applied to the fixture 120-1 on the opposite side of the helmet 100. The fixture 120-2 includes an elongated pin structure 120A-2 extending inwardly from the arm 110-2. In some embodiments, the pin 120A-2 has a cylindrical shape and is slidably received within one of the complementary recesses 176 defined by the frame 136 of the shield 106. The arrangement of the pin 120A-2 and the recess 176 enables the lower support arm 110-2 to quickly move from the shield 106 in a manner that disengages the pin 120A from the recess 176 by pulling the support arm 110-2 away from the shield 106. Get rid of. As shown in Figure 13D, the lower support arms 110-1, 110-2 have been disengaged from the shield 106, which is capable of pivoting the shield 106 about the fixture 112 of the support arm 108. In some embodiments, the lower support arm 110 is formed from a resilient or spring-like material such that the lower support arm 110 can be pulled away from the shield 106 and moved away, but returned to the applied tension once it is removed. Original location.

While the second fixture 120 is shown and described as connecting the lower support arm 110 to the shield shield 106 in a releasable manner, it will be apparent to those skilled in the art that the upper bracket arm 108 can also be used with the second fixture 120. It is connected to the shield shield 106 in a releasable manner.

As best seen in Figures 4 through 5, the helmet shell 102 includes one or more ridges 122-1, 122-2, 122-3, 122-4 (collectively referred to as "ridges 122"), and 121, Extending from one of the hose attachment units 124 disposed at the rear or rear portion of the hood casing 102 to one side of the hood casing 102, the ridges 121, 122 are terminated in a different location. For example, the ridges 121 are positioned from in some embodiments The lower rear center hose connection unit 124 of the headgear casing 102 extends to a position along the upper portion of the headgear casing 102 at an approximate center with respect to the left and right sides of the hood casing 102.

As best seen in FIG. 4, when the visor casing 102 is viewed from the front in FIG. 1, the ridge 122-1 is from the hose coupling unit 124 along the left side of the hood casing 102 (ie, from a wearable helmet 100). The person's point of view, the right side of the casing 102) extends upward (i.e., away from the one-neck opening 105 shown in Figure 3), and the ridge 122-2 terminates adjacent to the support arms 108-1 and 110-1. The ridge 122-2 extends along the lower left edge of the hood casing 102 adjacent the neck opening 105 (Fig. 3) and terminates near the front of the hood casing 102, causing the ridge 122-1 to be Positioned between the ridge 121 and the ridge 122-2.

Referring now to Figure 5, when the helmet 100 is viewed from the front as shown in Figure 1, along the right side of the hood casing 102 (i.e., from the perspective of a person wearing the helmet 100, the left side of the casing 102), the ridge 122-3 The ridge 122-1 extends symmetrically. Viewed from the front of the helmet 100, the ridges 122-4 extend symmetrically with respect to the ridges 122-2, except that the ridges 122-4 extend along the lower right portion of the hood shell 102. While five ridges 121, 122 are shown, it will be appreciated by those of ordinary skill in the art that fewer or more ridges 121, 122 may be provided and the location and configuration of the ridges 121, 122 may vary.

As described in more detail below, the ridges 122 and 121 each define a respective air flow conduit 126 for air delivery, as best shown in FIG. 6, which is a cross-sectional view taken along line B-B of FIG. As shown in Figures 6 and 13D, along the length of the ridges 121 and 122, the hood shell 102 can have portions extending along the length of the ridges 121 and 122 to form an air flow formed by the ridges 121 and 122. The inner wall 102A of the conduit 126.

One or more openings 128 are provided in the inner wall 102A that are positioned at different locations along the length of the ridges 121 and 122 to provide an outlet for air delivered through the air flow conduit 126. Each air flow conduit 126 thus provides an air passage from a hose connection unit 124 to one or more openings 128. These openings 128 enable air to be dispensed from the conduit into the internal cavity 104 defined by the hood casing 102.

To provide impact protection, comfort, and proper fit for the person wearing the helmet 100, a pad 50 can be provided to fit within the internal cavity 104 of the headgear casing 102. Pad 50 is preferably made of a suitable foam or other resilient material that absorbs kinetic energy from impact. Some examples are cushioning materials used in motorcycle helmets, racing helmets, American football helmets, bicycle helmets, and the like. The liner 50 can be made in multiple pieces or made as a single piece unit. In some embodiments, a removable comfort pad attached to the interior surface of the pad 50 can be provided to further enhance comfort and fit for the person wearing the helmet 100. These configurations are illustrated in Figures 14A through 17C.

14A, 14B, 15A and 15B are perspective views of the helmet 100 with the left side of the wearer of the headgear casing 102 removed to reveal the cushion 50 and associated removable comfort pad: top side pad 31, The back side pad 32, the left side pad 33-2, and the right side pad 33-1. In Figures 14A and 14B, the wearer's head is shown to show the relationship of the comfort pad to the wearer's head. The pad 50 is provided with a plurality of openings 128A positioned in the appropriate locations to align with the length of the ridges 121 and 122 when mounted inside the hood casing 102 to provide an outlet for air delivered via the conduit 126. . Comfort mats 31, 32, 33-1 and 33-2 can be based on Suitable for use with the same material or different materials as the liner 50. The comfort pad 31, 32, 33-1 and 33-2 are constructed to be removable from the pad 50 and can be cleaned or replaced. Comfort mats are available in different sizes and varying compressibility, while providing a choice of mats for customized fit and comfort. The comfort pad and pad 50 can be constructed using any of a variety of different known methods for providing a temporary fit to make the comfort pad removable. Velcro® and rivet buttons are some examples.

16A and 16B show that the liner 50 is removed from the headgear casing 102. Figure 16A is a view of the liner 50 passing through its bottom opening for receiving the neck of a person. Figure 16B is a view of the liner 50 through its front opening. The top side pad 31, the back side pad 32, the left side pad 33-2, and the right side pad 33-1 are visible.

Figures 17C and 17C show a cross-sectional view of the helmet 100 with the pad 50 in place. Figure 17B shows a section taken through A-A as identified in Figure 17A. Figure 17C shows a section taken through B-B as identified in Figure 17A.

17B and 17C show an alternative embodiment in which the air flow conduits 126 formed by the side ridges 122-1, 122-2, 122-3, and 122-4 do not have an interior wall 102A. In this embodiment, when viewed from the inside of the helmet casing 102, the inner sides of the side ridges 122-1, 122-2, 122-3, and 122-4 are open channels without liner 50, for reasons It does not have an inner wall 102A. When the liner 50 is in place on the inside of the hood casing 102, the liner 50 fits snugly against the interior surface of the hood casing 102, and the liner 50 and the side lands together define an air flow conduit 126. As shown in Figure 17C, opening 128A provides an air outlet from conduit 126.

As best seen in Figures 6 through 9, the helmet shell 102 defines a first viewing pocket 130 at the front of the helmet shell 102. Since the first view 埠 130 setting dimension is substantially the same as the head of a typical human body, the first view 埠 130 is depicted as providing a large field of view. In some embodiments, for example, the length of the first viewing pupil 130 is approximately eight inches. Those of ordinary skill in the art will appreciate that the length of the first viewing pupil 130 can vary. An optical assembly 132, such as a transparent protective panel sheet, is disposed within the viewing cassette 130. As best seen in Figure 8, which is a cross-sectional view taken along line A-A of Figure 7, optical assembly 132 is positioned against a shoulder 134 of the helmet shell 102. The optical assembly 132 can be secured to the shoulder 134 by any suitable means, including adhesive or by employing a mechanical structure (e.g., a screw, a dovetail, or a friction fit, listing only a few possibilities).

Referring again to FIG. 8, a spacer 134 is disposed around the optical assembly 132 and is configured to provide a seal between the helmet cover 102 and the shield shield 106 when the shield 106 is disposed in a protective position. The shield 106 is placed in front of the optical assembly 132 (ie, in the left side of the helmet shell 102 in FIG. 8). The gasket 134 advantageously prevents dust and other contaminants from being received between the shield shield 106 and the optical assembly 132 when the shield 106 is deployed in a protective position.

Referring now to Figures 10 and 11, the shield shield 106 includes a frame 136 that defines a second viewing pocket 138. In some embodiments, the second viewing 埠 138 is smaller than the first viewing 埠 130 defined by the hood casing 102, but those skilled in the art will appreciate that the first viewing 埠 130 and the second The relative size of the viewing pupil 138 can vary. A frame 136 of the shield 106 is configured to support an optical assembly 140 within the second viewing port 138. In some embodiments, optical component 140 is of the same type as optical component 132. However, in some embodiments, the optical assembly 140 is a filter plate, such as a fusion filter plate, for the wearer's eyes of the protective helmet 100 to be protected from ultraviolet and/or infrared light. In some embodiments, the optical assembly 140 are used in an automatic darkening filter plate, PHANTOM® such as but accessible from Illinois Fort bear Sheth charge and Manufacturing Company (Sellstrom Manufacturing Co.) LITE XL or STRIKER ^TM automatic darkening filter plates . It will be understood by those skilled in the art that optical component 140 can take other forms.

As best seen in Figures 11 and 12 of the cross-sectional view of the shield shield 106 taken along line AA of Figure 10, the optical assembly 140 is supported against the frame 136 at least partially surrounding the second view 埠138. One of the shoulders 142 provided at the front. The frame 136 also includes one or more clips 144 disposed at a distance from the shoulder 142 such that the optical assembly 140 can be received between the shoulder 142 and the clip 144. In some embodiments, one or more of the clips 144 are positioned above the second viewing port 138, but it will be understood by those skilled in the art that one or more of the card members 144 can be located in the second viewing port. Above, below and/or to the side of 138. At the lower end of the second viewing port 138, the shield 106 includes a pivotal mounting device 146. In some embodiments, the pivotal mounting device 146 includes a pivoting projection 148 that utilizes a screw, bolt or other threaded fastener received within an opening 152 defined by the frame 136. 150 is attached to the frame 136.

As described in greater detail below, the fastener 150 can be rotated to advance the fastener 150 into and out of the aperture 152 to increase or decrease the protrusion 148. Friction to facilitate mounting and removal of the optical assembly 140 in the shield 106.

The frame 136 also defines a recess 154 that extends from the inner side 156 of the frame 136. The recess 154 is positioned above the second viewing 埠 138 and below the upper edge 158 of the frame 136. The recess 154 is sized and configured to receive a magnet 160 therein. The magnet 160 can be secured within the recess 154 using a variety of different components, including adhesives, or mechanically secured within the recess 154, as will be appreciated by those of ordinary skill in the art. In some embodiments, the magnet 160 is a permanent magnet. The magnets 160 are configured to engage other magnets that are disposed within the helmet shell 102 or attached to the helmet shell 102.

For example, the magnets 160 are configured to engage the magnets 162, 164 supported by the hood casing 102, as best seen in FIG. As shown in FIG. 8, the magnet 162 is positioned in a recess 166 disposed along the ridge 121, and the magnet 164 is disposed in the recess 168 above the first viewing pocket 130 defined by the hood casing 102. . When the shield 106 is placed in a retracted or unshielded position as shown in Figures 7 through 9, the magnet 160 engages the magnet 162 to maintain the shield 106 in the retracted position. When the shield 106 is in a protective position as shown in Figures 1 through 6, the magnet 160 engages the magnet 164 to maintain the shield 106 in the guard position and to improve the seal between the shield 106 and the gasket 134.

Referring to Figure 18, the helmet 100 is configured to cooperate with a hose 200 and air delivery system 300 for providing conditioned air to the internal cavity 104 via a hose connection unit 124 for defining an opening 170, and a conduit 126. . For example and with reference to FIG. 3, the opening 170 defined by the hose connection unit 124 provides an inlet for air from the hose 200 that distributes the conditioned air produced by the air delivery system 300. In some embodiments, the hose The connecting unit 124 includes a reduced diameter portion 172 having a peripheral rib 174 that is configured to engage a corresponding recess defined by the nozzle 202. The nozzle 202 couples one end 204 of the hose 200 to the hose connecting unit. 124.

The disclosed protective helmet is advantageously provided to provide a flow of air to the user while protecting the user from airborne contaminants and ultraviolet/infrared light or other potentially harmful light. Moreover, the disclosed protective helmet includes a multi-point pivoting shield that reduces the outward extension of a protective visor so that the visor can be pivoted from a retracted position to a deployed position in the confined area and protected The helmet also includes a quick release mechanism that can easily replace an optical component supported by the shield, such as a protective filter.

Although the devices and systems have been described in terms of exemplary embodiments, they are not limited thereto. Rather, the scope of the invention is to be construed as being limited by the scope and scope of the device and system.

50‧‧‧protective neck curtain

100‧‧‧ protective helmet

102‧‧‧Helmet cover

106‧‧‧External protective shield

108-2‧‧‧Linear upper support arm

110-2‧‧‧Angle support arm

112‧‧‧First fixture

114‧‧‧second foot

116‧‧‧First foot

118‧‧‧ elbow

120‧‧‧Second fixture

136‧‧‧Frame

138‧‧‧Second viewing

140‧‧‧Optical components

Claims (22)

A protective helmet device comprising: a headgear casing defining an internal cavity for receiving a head and a first viewing device; and a shielding member defining a second view And the shield member is movable between a first position and a second position different from the first position, in the first position, by the plurality of arms coupled to the helmet shell The second viewing system is at least partially aligned with the first viewing axis, wherein at least one of the plurality of arms and a second arm are detachable from the shield. The protective helmet device of claim 1, wherein the headgear casing defines a plurality of conduits, the plurality of conduits being in fluid communication with an opening defined by the helmet casing for receiving a hose a nozzle. The protective helmet device of claim 2, wherein the opening defined by the casing is disposed at a rear portion of the casing, and each of the plurality of conduits is from the opening toward a front portion of the casing extend. The protective helmet device of claim 2, further comprising a liner disposed in the internal cavity, wherein each of the plurality of conduits is coupled to the helmet by at least one opening extending through the liner The internal cavity of the casing is fluidly connected. The protective helmet device of claim 2, wherein each of the plurality of conduits The fluid is in fluid communication with the internal cavity of the headgear by at least one opening defined by an interior surface of the headgear. The protective helmet device of claim 2, wherein the plurality of conduits are defined by a plurality of ridges integrally formed with the helmet casing. The protective helmet device of claim 1, wherein the shield comprises a magnet for engaging a first magnetic object disposed in the helmet casing to maintain the shield in the first position. The protective helmet device of claim 7, wherein the helmet shell comprises a second magnetic object to be engaged by the magnet in the shield to maintain the shield in the second position. The protective helmet device of claim 1, wherein a first optical component is disposed in the first viewing frame, and wherein the first optical component is at least partially surrounded by a spacer, the spacer is formed A second optical component is removably disposed in the second viewing frame defined by the shielding member to provide a seal between the helmet casing and the shielding member. The protective helmet device of claim 9, wherein the second optical component is a filter plate. The protective helmet device of claim 10, wherein the filter plate is an automatic darkening filter plate. The protective helmet device of claim 1, wherein each of the first arm and the second arm is formed of a malleable material such that the first and second arms can be removed from the shield to facilitate The arms are detached from the shield. The protective helmet device of claim 1, wherein the helmet shell cover comprises At least two parts joined together. The protective helmet of claim 1, wherein the first arm is positioned below a third arm of the plurality of arms and the second arm is positioned below a fourth arm of the plurality of arms. A protective helmet device comprising: a helmet comprising a casing defining an internal cavity for receiving a head, a first viewing port, an opening, and a plurality of conduits, the opening system Provided at a rear portion of the casing and in fluid communication with each of the plurality of conduits, wherein the plurality of conduits extend from the opening toward a front portion of the casing; a first optical component Positioned in the first viewing port; and a hose including a first end and a second end, the first end of the hose includes a first nozzle for the first of the hose An end is coupled to the opening defined by the helmet, and a second end of the hose includes a second nozzle for connecting the second end of the hose to an air supply, wherein the first nozzle and the first nozzle At least one of the second nozzles is configured to form a disconnect. The protective device of claim 15 wherein the plurality of conduits are defined by a plurality of ridges integrally formed with the casing. The protection device of claim 15 further comprising a shield defining a second viewing port and coupled to the casing by a plurality of arms, the shielding member being movable to a first The position is between a second position different from the first position, and in the first position, the second viewing line is at least partially aligned with the first viewing point. The guard of claim 17, wherein at least one of the plurality of arms and a second arm are detachable from the shield. The guard of claim 17, wherein the shield comprises a magnet for engaging a first magnetic object disposed in the housing to maintain the shield in the first position. The guard of claim 19, wherein the casing comprises a second magnetic object to be engaged by the magnet in the shield to maintain the shield in the second position. A system comprising: a helmet comprising a casing, the casing defining an internal cavity for receiving a head, a first viewing port, and an opening disposed at a rear of the casing, And a plurality of conduits, each of the plurality of conduits being fluidly connected to an opening defined by the casing; a first transparent guard disposed within the first viewing pocket; a shield Defining a second viewing device, the shielding member is coupled to the cover of the helmet by a plurality of arms, such that the shielding member is movable in a first position and a second different from the first position Between the positions, in the first position, the second viewing port is at least partially aligned with the first viewing port; and a hose including a first end and a second end, the soft The first end of the tube includes a first nozzle for connecting the first end of the hose to the opening defined by the sleeve, and the second end of the hose includes a second nozzle for the soft The second end of the tube is coupled to an air supply member, wherein the shield member includes a magnet for engaging the one of the sleeve The first magnetic object maintains the shield in the first position and engages a second magnetic object of the housing to maintain the shield in the second position. The system of claim 21, wherein the first nozzle system provides for disconnection from one of the helmets.