EP2822410B1 - Helmet - Google Patents
Helmet Download PDFInfo
- Publication number
- EP2822410B1 EP2822410B1 EP13757052.9A EP13757052A EP2822410B1 EP 2822410 B1 EP2822410 B1 EP 2822410B1 EP 13757052 A EP13757052 A EP 13757052A EP 2822410 B1 EP2822410 B1 EP 2822410B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- helmet
- layer
- beads
- hard
- liner
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Not-in-force
Links
- 239000011324 bead Substances 0.000 claims description 45
- 239000000463 material Substances 0.000 claims description 23
- 210000004712 air sac Anatomy 0.000 claims description 22
- 239000004744 fabric Substances 0.000 claims description 3
- 230000000694 effects Effects 0.000 description 10
- 239000008188 pellet Substances 0.000 description 3
- 241000238367 Mya arenaria Species 0.000 description 2
- 238000005056 compaction Methods 0.000 description 2
- 239000006260 foam Substances 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 206010010254 Concussion Diseases 0.000 description 1
- 206010012289 Dementia Diseases 0.000 description 1
- 239000004593 Epoxy Substances 0.000 description 1
- 206010019196 Head injury Diseases 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 239000011358 absorbing material Substances 0.000 description 1
- 210000004556 brain Anatomy 0.000 description 1
- DQXBYHZEEUGOBF-UHFFFAOYSA-N but-3-enoic acid;ethene Chemical compound C=C.OC(=O)CC=C DQXBYHZEEUGOBF-UHFFFAOYSA-N 0.000 description 1
- 230000009514 concussion Effects 0.000 description 1
- 239000005038 ethylene vinyl acetate Substances 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000013618 particulate matter Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 229920001200 poly(ethylene-vinyl acetate) Polymers 0.000 description 1
- -1 polypropylene Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 238000009877 rendering Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 239000004416 thermosoftening plastic Substances 0.000 description 1
Images
Classifications
-
- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B71/00—Games or sports accessories not covered in groups A63B1/00 - A63B69/00
- A63B71/08—Body-protectors for players or sportsmen, i.e. body-protecting accessories affording protection of body parts against blows or collisions
- A63B71/10—Body-protectors for players or sportsmen, i.e. body-protecting accessories affording protection of body parts against blows or collisions for the head
-
- A—HUMAN NECESSITIES
- A42—HEADWEAR
- A42B—HATS; HEAD COVERINGS
- A42B3/00—Helmets; Helmet covers ; Other protective head coverings
- A42B3/04—Parts, details or accessories of helmets
- A42B3/06—Impact-absorbing shells, e.g. of crash helmets
- A42B3/062—Impact-absorbing shells, e.g. of crash helmets with reinforcing means
- A42B3/063—Impact-absorbing shells, e.g. of crash helmets with reinforcing means using layered structures
-
- A—HUMAN NECESSITIES
- A42—HEADWEAR
- A42B—HATS; HEAD COVERINGS
- A42B3/00—Helmets; Helmet covers ; Other protective head coverings
- A42B3/04—Parts, details or accessories of helmets
- A42B3/10—Linings
- A42B3/12—Cushioning devices
- A42B3/121—Cushioning devices with at least one layer or pad containing a fluid
- A42B3/122—Cushioning devices with at least one layer or pad containing a fluid inflatable
-
- A—HUMAN NECESSITIES
- A42—HEADWEAR
- A42B—HATS; HEAD COVERINGS
- A42B3/00—Helmets; Helmet covers ; Other protective head coverings
- A42B3/32—Collapsible helmets; Helmets made of separable parts ; Helmets with movable parts, e.g. adjustable
- A42B3/322—Collapsible helmets
-
- A—HUMAN NECESSITIES
- A42—HEADWEAR
- A42B—HATS; HEAD COVERINGS
- A42B3/00—Helmets; Helmet covers ; Other protective head coverings
- A42B3/04—Parts, details or accessories of helmets
- A42B3/06—Impact-absorbing shells, e.g. of crash helmets
-
- A—HUMAN NECESSITIES
- A42—HEADWEAR
- A42B—HATS; HEAD COVERINGS
- A42B3/00—Helmets; Helmet covers ; Other protective head coverings
- A42B3/04—Parts, details or accessories of helmets
- A42B3/28—Ventilating arrangements
Definitions
- the present invention relates to helmets and more particularly, relates to helmets to protect the head of the user when undertaking an activity posing a danger to the user's head.
- helmets when participating in an activity has grown enormously over the years. Originally used only in relatively violent sports such as football, their use in other activities has increased as medical science has established the dangers for head injuries in many activities. Helmets are now worn in a wide range of sporting activities such as playing hockey, skiing, skating, and the like. They are also widely used in other recreational activities such as bicycling, inline skating, skateboarding, etc.
- helmets have also evolved substantially and many helmets are designed for a specific activity.
- Original designs normally consisted simply of a hard outer shell with some inner cushioning material. This is still the basic design which is utilized for many different types of helmets.
- the prime purpose of the helmet is to protect the head of the wearer should it come in contact with a hard surface.
- differing materials have been utilized in order to provide the maximum impact resistance. This is generally accomplished by using different density foams and the like.
- US 4,343,047 A discloses a helmet comprising a hard outer shell and an inner liner having a plurality of beads encased therein.
- the inner liner is in the form of a mesh tube made of a textile material, and the loose beads are made of an energy absorbing material stuffed into the tube, the stuffed tube being flexible to allow coiling of the same for placement within and subsequent attachment to outer shell.
- GB 1 378 494 A discloses a helmet comprising a hard outer shell and an inner liner having a plurality of spheroids of uniform size encased therein.
- the inner liner comprises a contact surface made of fabric material.
- US 7,010,814 B2 discloses a baseball cap comprising a soft outer shell and an inner liner having a plurality pellets encased therein.
- the inner liner comprises a contact surface made of fabric material.
- US 4,412,358 A discloses a helmet comprising a hard outer shell and an inner liner assembly having a plurality of spaced energy-absorbing spheres of uniform size encased therein in the form of resin-sphere layers.
- Each resin-sphere layer comprises said plurality of spaced energy-absorbing spheres such as resilient hollow epoxy balls or spheres captured in a vacuum-formed thermoplastic sheet such as a sheet of ethylene-vinyl acetate.
- the inner lining assembly further comprises layers of foam pads making it a relatively rigid liner.
- One problem with this arrangement is that the bicycle riders generally are not using any helmets for protection. As it is highly inconvenient to continually carry a helmet, most people opt to not utilize any head protection. Since rental helmets are not considered desirable for health reasons, it would be desirable to provide a helmet structure which is compact and portable.
- Helmets according to the present invention can be designed in many different ways. Some of the helmets will have a hard outer shell in a conventional manner while others will have a soft outer shell to enhance portability such that they can be easily carried around by the user.
- the present invention provides a helmet comprising a plurality of layers, at least one of the layers comprising a plurality of beads, the beads being encased within a liner, a second layer selected from the group consisting of a hard layer and a soft layer and an air bladder containing a gas therein.
- This helmet is collapsible rendering it ideal for uses where the helmet is desirably portable.
- a soft outer shell along with the use of beads.
- this design is relatively collapsible and suitable for portability.
- a hard outer shell with an interior comprising beads and an air bladder.
- a hard outer shell with encased beads forming the cushioning layer there is provided a hard outer shell with encased beads forming the cushioning layer.
- a helmet which has a hard shell with a layer of encased beads within. However, over the hard shell, there is a further layer of beads with a soft outer shell.
- a hard outer shell with an interior honeycomb design there is provided a hard outer shell with an interior honeycomb design.
- a preferred variation of the above will include a soft outer shell and a honeycomb design.
- a hard shell having an interior honeycomb design.
- a honeycomb design exteriorly of the hard shell there is provided a honeycomb design and a soft outer shell.
- a hard shell having an interior formed of encased beads and an air bladder. Exteriorly of the hard shell, there are provided both an air bladder and encased beads and a soft outer shell.
- the helmet uses a hard outer shell
- the hard outer shell may be formed of any suitable material and may have any suitable design. The nature of the hard shell and the design will partially be dictated by the activity for which it is designed.
- the use of beads the present invention will entail the use of a plurality of pieces of particulate matter which are encased in a holder or liner.
- the beads may be formed of many different materials and may be of a plastic material such as a polypropylene. However, other materials which can be engineered to have particular properties could also be utilized in the practice of the present invention.
- the shape of the beads can be varied. Thus, circular beads or beads having an irregular configuration with a plurality of flat surfaces can be utilized in certain situations.
- the overall thickness of the layer of the beads can vary and would depend on the desired protection.
- valve arrangement is one which would permit the user to blow into the same or alternatively, to utilize an inflation device.
- valve arrangement is preferably one wherein air is prevented from entering the valve to the air bladder following deflation. This will permit the helmet to be collapsible and to stay in a collapsed state.
- the present invention utilizes different elements of the helmet to reduce the forces of impact to the human head and brain. These different mechanisms can be designed to absorb, dissipate and divert forces directed to the head.
- the liner used to encase the beads can be formed of many different materials.
- the liner may be made either of an expandable or relatively rigid material.
- the expandable material may be, for example, a knit type material.
- the use of different materials can control the compaction of the beads.
- the beads are forced to move and thus supply a controlled compaction.
- a denser bead structure In the case of a more rigid material, one may use a denser bead structure and thereby provide a harder cushion.
- the horizontal and vertical walls forming the liner can be made from a variety of material which, as aforementioned, in the case of a softer material will deform more easily and expand to absorb shock.
- the air bladder may be utilized with walls of varying degrees of elasticity from soft too rigid to contain air at different pressures.
- the inflation valve or portion thereof would open to admit air and close automatically to hold the air or other gas within the bladder.
- the outlet valve can open when activated manually but would close automatically when the manual pressure is released.
- the outlet valve may also function as a pressure safety valve to release air when pressure reaches a given point. It will open automatically and then close once the excess air pressure has been released. Naturally, a separate pressure safety valve may be provided.
- layers will include all layers wherein a first material will lie adjacent to a second material.
- the orientation of the layers can be any desired and will include both horizontal, vertical and diagonal layers.
- FIG. 1 a first embodiment of the helmet according to the present invention.
- the helmet is generally designated by reference numeral 10 and has a rigid outer shell 12.
- an air bladder 14 mounted interiorly of rigid outer shell 12 is an air bladder 14 with a valve 20 for inflation/deflation.
- a soft liner 18 Surrounding air bladder 14 is a soft liner 18 containing a plurality of beads or pellets 16.
- Figure 2 shows a helmet 24 (comparison) having a soft outer shell 26.
- An inner liner 28 contains beads or pellets 30.
- a helmet 34 has a hard outer shell 36. Mounted interiorly of hard outer shell 36 is an air bladder 38 which is equipped with an inflation/deflation valve 40. An inner liner 42 extends about air bladder 38 and contains a plurality of beads 44.
- Figure 4 illustrates a helmet 48 (comparison) having a hard outer shell 50. Interiorly of hard outer shell 50 is an inner liner 52 containing beads 54.
- helmet 56 includes a hard shell 58.
- Figure 6 shows a helmet 73 (comparison) having a hard shell 74 with an inner soft liner 76 containing beads 78. On the exterior of hard shell 74, there is provided an outer soft liner 80 containing beads 82. An outer soft shell 84 is utilized.
- FIG. 7 illustrates a helmet (comparison) generally designated by reference numeral 86.
- Helmet 86 has an inner honeycomb structure 88 and a hard outer shell 90.
- Honeycomb structure 88 consists of a plurality of separated cells which will crush as required. If so desired, the cells of honeycomb structure 88 may include interiorly thereof a further substance which may be of a shock absorbing nature.
- Figure 8 shows a helmet 94 (comparison) having a honeycomb structure 96 and a soft outer shell 98.
- a helmet 104 (comparison) is illustrated in Figure 9 and which helmet is comprised of a hard shell 106 having an interior honeycomb structure 108. Exteriorly of hard shell 106, there is provided an exterior honeycomb structure 110 and a soft shell 112.
- FIG 10 there is illustrated a helmet generally designated by reference numeral 116 having an interior air bladder 118 (valve not shown) surrounded by a liner containing beads 120.
- a hard shell 121 surrounds this structure. Exteriorly of hard shell 121, there is provided an exterior air bladder 122 and a liner 124 to encase beads 126. This arrangement is covered by a soft outer shell 128.
Landscapes
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Physical Education & Sports Medicine (AREA)
- Helmets And Other Head Coverings (AREA)
Description
- The present invention relates to helmets and more particularly, relates to helmets to protect the head of the user when undertaking an activity posing a danger to the user's head.
- The use of helmets when participating in an activity has grown enormously over the years. Originally used only in relatively violent sports such as football, their use in other activities has increased as medical science has established the dangers for head injuries in many activities. Helmets are now worn in a wide range of sporting activities such as playing hockey, skiing, skating, and the like. They are also widely used in other recreational activities such as bicycling, inline skating, skateboarding, etc.
- The design of helmets has also evolved substantially and many helmets are designed for a specific activity. Original designs normally consisted simply of a hard outer shell with some inner cushioning material. This is still the basic design which is utilized for many different types of helmets.
- The prime purpose of the helmet is to protect the head of the wearer should it come in contact with a hard surface. As the design of helmets has progressed, differing materials have been utilized in order to provide the maximum impact resistance. This is generally accomplished by using different density foams and the like.
-
US 4,343,047 A discloses a helmet comprising a hard outer shell and an inner liner having a plurality of beads encased therein. The inner liner is in the form of a mesh tube made of a textile material, and the loose beads are made of an energy absorbing material stuffed into the tube, the stuffed tube being flexible to allow coiling of the same for placement within and subsequent attachment to outer shell. -
GB 1 378 494 A -
US 7,010,814 B2 discloses a baseball cap comprising a soft outer shell and an inner liner having a plurality pellets encased therein. The inner liner comprises a contact surface made of fabric material. -
US 4,412,358 A discloses a helmet comprising a hard outer shell and an inner liner assembly having a plurality of spaced energy-absorbing spheres of uniform size encased therein in the form of resin-sphere layers. Each resin-sphere layer comprises said plurality of spaced energy-absorbing spheres such as resilient hollow epoxy balls or spheres captured in a vacuum-formed thermoplastic sheet such as a sheet of ethylene-vinyl acetate. The inner lining assembly further comprises layers of foam pads making it a relatively rigid liner. - It is an object of the present invention to provide improvements in helmet designs which can be adapted for many different purposes and/or activities. Some activities require special design considerations. Thus, for example, the popularity of renting bicycles from one station and dropping them off at another station has increased in many urban areas. One problem with this arrangement is that the bicycle riders generally are not using any helmets for protection. As it is highly inconvenient to continually carry a helmet, most people opt to not utilize any head protection. Since rental helmets are not considered desirable for health reasons, it would be desirable to provide a helmet structure which is compact and portable.
- Helmets according to the present invention can be designed in many different ways. Some of the helmets will have a hard outer shell in a conventional manner while others will have a soft outer shell to enhance portability such that they can be easily carried around by the user.
- Other helmets need to be designed to reduce the impact or in other words, provide for controlled deceleration of the head. Recent evidence has raised the possibility that concussions can lead to other medical problems later in life and particularly some forms of dementia. These frequently occur in high impact sports such as football and hockey.
- The present invention, provides a helmet comprising a plurality of layers, at least one of the layers comprising a plurality of beads, the beads being encased within a liner, a second layer selected from the group consisting of a hard layer and a soft layer and an air bladder containing a gas therein.
- This helmet is collapsible rendering it ideal for uses where the helmet is desirably portable.
- Preferably, there is provided a soft outer shell along with the use of beads. Again, this design is relatively collapsible and suitable for portability.
- Preferably, there is provided a hard outer shell with an interior comprising beads and an air bladder.
- In a further preferred embodiment of the invention, there is provided a hard outer shell with encased beads forming the cushioning layer.
- In a still further preferred embodiment of the present invention, there is provided a helmet which has a hard shell with a layer of encased beads within. However, over the hard shell, there is a further layer of beads with a soft outer shell.
- In a still further preferred embodiment, there is provided a hard outer shell with an interior honeycomb design.
- A preferred variation of the above will include a soft outer shell and a honeycomb design.
- In a still further preferred embodiment, there is provided a hard shell having an interior honeycomb design. However, exteriorly of the hard shell there is provided a honeycomb design and a soft outer shell.
- In a further preferred embodiment, there is provided a hard shell having an interior formed of encased beads and an air bladder. Exteriorly of the hard shell, there are provided both an air bladder and encased beads and a soft outer shell.
- In the instance wherein the helmet uses a hard outer shell, such structures are well known in the art and many different designs are available. It suffices to say that the hard outer shell may be formed of any suitable material and may have any suitable design. The nature of the hard shell and the design will partially be dictated by the activity for which it is designed. The use of beads the present invention will entail the use of a plurality of pieces of particulate matter which are encased in a holder or liner. The beads may be formed of many different materials and may be of a plastic material such as a polypropylene. However, other materials which can be engineered to have particular properties could also be utilized in the practice of the present invention.
- The shape of the beads can be varied. Thus, circular beads or beads having an irregular configuration with a plurality of flat surfaces can be utilized in certain situations.
- The overall thickness of the layer of the beads can vary and would depend on the desired protection.
- Any conventional air bladder might be utilized. Preferably, the valve arrangement is one which would permit the user to blow into the same or alternatively, to utilize an inflation device. Also, the valve arrangement is preferably one wherein air is prevented from entering the valve to the air bladder following deflation. This will permit the helmet to be collapsible and to stay in a collapsed state. One may use separate dedicated valves or alternatively a honeycomb layer comprising a closed cell configuration, the closed cell frequently having a second material therein. Honeycomb structures are known per se and many different materials could be utilized.
- The present invention utilizes different elements of the helmet to reduce the forces of impact to the human head and brain. These different mechanisms can be designed to
absorb, dissipate and divert forces directed to the head. - The liner used to encase the beads, as aforementioned, can be formed of many different materials. In broader terms, the liner may be made either of an expandable or relatively rigid material. The expandable material may be, for example, a knit type material. The use of different materials can control the compaction of the beads. Thus, in the case of an expandable material, the beads are forced to move and thus supply a controlled compaction. In the case of a more rigid material, one may use a denser bead structure and thereby provide a harder cushion. The horizontal and vertical walls forming the liner can be made from a variety of material which, as aforementioned, in the case of a softer material will deform more easily and expand to absorb shock.
- The air bladder may be utilized with walls of varying degrees of elasticity from soft too rigid to contain air at different pressures.
- As previously mentioned, one may have a combination inlet/outlet valve or alternatively, separate valves. In either case, the inflation valve or portion thereof would open to admit air and close automatically to hold the air or other gas within the bladder.
- The outlet valve can open when activated manually but would close automatically when the manual pressure is released. The outlet valve may also function as a pressure safety valve to release air when pressure reaches a given point. It will open automatically and then close once the excess air pressure has been released. Naturally, a separate pressure safety valve may be provided.
- As utilized herein, the word "layers" will include all layers wherein a first material will lie adjacent to a second material. The orientation of the layers can be any desired and will include both horizontal, vertical and diagonal layers.
- Having thus generally described the invention, reference will be made to the accompanying drawings illustrating embodiments thereof, in which:
-
Figure 1A is a perspective view of a helmet structure according to one embodiment of the present invention; -
Figure 1B is a partial cutaway view thereof; -
Figure 1 C is an enlargement of a portion of the cutaway view ofFigure 1B ; -
Figure 1 D is a cross-sectional view thereof; -
Figure 2A is a perspective view of a helmet for comparison; -
Figure 2B is a partial cutaway view thereof; -
Figure 2C is a partial sectional view thereof; -
Figure 2D is a longitudinal cross-sectional view thereof; -
Figure 3A is a perspective view of a further embodiment of a helmet according to the present invention; -
Figure 3B is a partial cutaway view thereof; -
Figure 3C is a further partial cutaway view; -
Figure 3D is a longitudinal cross-sectional view thereof; -
Figure 4A is a perspective view of a helmet for comparison; -
Figure 4B is a partial cutaway view thereof; -
Figure 4C is a further cutaway view thereof; -
Figure 4D is a longitudinal cross-sectional view thereof; -
Figure 5A is a side elevational view of a further embodiment of a helmet according to the present invention; -
Figure 5B is a partial cutaway view thereof; -
Figure 5C is a longitudinal cross-sectional view thereof; -
Figure 6A is a side elevational view of a helmet for comparison; -
Figure 6B is a partial cutaway view thereof; -
Figure 6C is a longitudinal sectional view thereof; -
Figure 7A is a front elevational view of a helmet for comparison; -
Figure 7B is a cross-sectional view thereof; -
Figure 8A is a front elevational view of a helmet for comparison; -
Figure 8B is a cross-sectional view thereof; -
Figure 9A is a front elevational view of a helmet for comparison; -
Figure 9B is a cross-sectional view thereof; -
Figure 10A is a front elevational view of a further embodiment of a helmet according to the present invention; -
Figure 10B is a partial cutaway view thereof; and -
Figure 10C is an enlarged view of a portion of the cutaway view ofFigure 10B . - Referring to the drawings in greater detail and by reference characters thereto, there is illustrated in
Figure 1 a first embodiment of the helmet according to the present invention. The helmet is generally designated byreference numeral 10 and has a rigidouter shell 12. - Mounted interiorly of rigid
outer shell 12 is anair bladder 14 with a valve 20 for inflation/deflation. Surroundingair bladder 14 is asoft liner 18 containing a plurality of beads orpellets 16. -
Figure 2 shows a helmet 24 (comparison) having a softouter shell 26. Aninner liner 28 contains beads orpellets 30. - Turning to
Figure 3 , ahelmet 34 has a hardouter shell 36. Mounted interiorly of hardouter shell 36 is anair bladder 38 which is equipped with an inflation/deflation valve 40. Aninner liner 42 extends aboutair bladder 38 and contains a plurality ofbeads 44. -
Figure 4 illustrates a helmet 48 (comparison) having a hardouter shell 50. Interiorly of hardouter shell 50 is aninner liner 52 containingbeads 54. - Turning to the embodiment of
Figure 5 ,helmet 56 includes ahard shell 58. On the inner side ofhard shell 58, there is an air bladder 60 with an inflation/deflation valve 62. Extending about air bladder 60 is an innersoft liner 64 containing a plurality of beads 66. On the outer side ofhard shell 58, there is provided anair bladder 68 surrounded by a softouter liner 70 containingbeads 72. Finally, there is provided asoft cover shell 73. -
Figure 6 shows a helmet 73 (comparison) having ahard shell 74 with an innersoft liner 76 containing beads 78. On the exterior ofhard shell 74, there is provided an outer soft liner 80 containingbeads 82. An outersoft shell 84 is utilized. -
Figure 7 illustrates a helmet (comparison) generally designated byreference numeral 86.Helmet 86 has aninner honeycomb structure 88 and a hardouter shell 90. -
Honeycomb structure 88 consists of a plurality of separated cells which will crush as required. If so desired, the cells ofhoneycomb structure 88 may include interiorly thereof a further substance which may be of a shock absorbing nature. -
Figure 8 shows a helmet 94 (comparison) having ahoneycomb structure 96 and a soft outer shell 98. - A helmet 104 (comparison) is illustrated in
Figure 9 and which helmet is comprised of ahard shell 106 having an interior honeycomb structure 108. Exteriorly ofhard shell 106, there is provided an exterior honeycomb structure 110 and asoft shell 112. - In
Figure 10 , there is illustrated a helmet generally designated by reference numeral 116 having an interior air bladder 118 (valve not shown) surrounded by aliner containing beads 120. Ahard shell 121 surrounds this structure. Exteriorly ofhard shell 121, there is provided an exterior air bladder 122 and aliner 124 to encasebeads 126. This arrangement is covered by a softouter shell 128.
Claims (19)
- A helmet (10) comprising:a plurality of layers;at least one of said layers comprising a plurality of beads (16), said beads being encased within a liner (28);a second layer selected from the group consisting of a hard layer (36) and a soft layer (26); andan air bladder (38) containing a gas therein.
- The helmet (10) of Claim 1 wherein said beads (16) have a uniform size.
- The helmet (10) of Claim 1 wherein said beads (16) are assorted sizes.
- The helmet (10) of Claim 1 wherein said beads (16) have a varying configuration.
- The helmet (10) of Claim 1 wherein said liner (28) is a cloth liner.
- The helmet (10) of Claim 1 further including an inlet valve (62).
- The helmet (10) of Claim 6 further including a separate outlet valve (62).
- The helmet (10) of Claim 7 further including a combination inlet/outlet valve (62).
- The helmet of Claim 1 wherein said helmet (10) has an outer layer comprising said soft layer (26), an intermediate layer comprising said beads (16), and an inner most layer comprising said air bladder (38).
- The helmet of Claim 1 wherein said second layer comprises said soft outer layer (26) and an inner layer of said beads (16).
- The helmet (10) of Claim 1 wherein said helmet (10) has an outer layer comprising said hard layer (36), an intermediate layer comprising said beads (16), and an inner most layer comprising said air bladder (38).
- The helmet (10) of Claim 1 wherein said helmet (10) has an outer layer formed of said hard layer (36) and an inner layer formed of said beads (16).
- The helmet (10) of Claim 1 wherein said helmet (10) has an outer layer formed of said soft layer (26), a first intermediate layer formed of said beads (16), a second intermediate layer formed of said hard layer (36), and an inner most layer formed of said beads (16).
- The helmet (10) of Claim 1 wherein said helmet (10) has an outer most layer formed of said soft layer (26), a first intermediate layer formed of said air bladder (38), a second intermediate layer formed of said beads (16), and a third layer formed of said hard layer (36).
- The helmet (10) of Claim 1 comprising an inner most layer of a honeycomb structure (88), and an outer layer comprising said hard layer (36), and an intermediate layer comprising said beads (16).
- The helmet (10) of Claim 1 wherein said liner (28) is formed of a material which is expandible.
- The helmet (10) of Claim 1 wherein said liner (28) is a rigid liner.
- The helmet (10) of Claim 1 wherein said air bladder (38) is enclosed within said layer comprising a plurality of beads (16) .
- The helmet (10) of Claim 1 further including a safety valve (62) associated with said air bladder (38), said safety valve (62) designed to release said gas at a desired pressure to lower internal pressure to a desired value.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CA2770713A CA2770713A1 (en) | 2012-03-05 | 2012-03-05 | Helmet |
PCT/CA2013/000173 WO2013131169A1 (en) | 2012-03-05 | 2013-02-27 | Helmet |
Publications (3)
Publication Number | Publication Date |
---|---|
EP2822410A1 EP2822410A1 (en) | 2015-01-14 |
EP2822410A4 EP2822410A4 (en) | 2016-01-13 |
EP2822410B1 true EP2822410B1 (en) | 2017-04-26 |
Family
ID=49111739
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP13757052.9A Not-in-force EP2822410B1 (en) | 2012-03-05 | 2013-02-27 | Helmet |
Country Status (4)
Country | Link |
---|---|
US (1) | US20150121609A1 (en) |
EP (1) | EP2822410B1 (en) |
CA (2) | CA2770713A1 (en) |
WO (1) | WO2013131169A1 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US11089832B2 (en) | 2015-05-01 | 2021-08-17 | Gentex Corporation | Helmet impact attenuation article |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9763488B2 (en) | 2011-09-09 | 2017-09-19 | Riddell, Inc. | Protective sports helmet |
US10159296B2 (en) | 2013-01-18 | 2018-12-25 | Riddell, Inc. | System and method for custom forming a protective helmet for a customer's head |
US9770060B2 (en) | 2013-02-12 | 2017-09-26 | Riddell, Inc. | Pad assemblies for a protective sports helmet |
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-
2012
- 2012-03-05 CA CA2770713A patent/CA2770713A1/en not_active Abandoned
-
2013
- 2013-02-27 WO PCT/CA2013/000173 patent/WO2013131169A1/en active Application Filing
- 2013-02-27 CA CA2866726A patent/CA2866726A1/en not_active Abandoned
- 2013-02-27 EP EP13757052.9A patent/EP2822410B1/en not_active Not-in-force
- 2013-02-27 US US13/261,925 patent/US20150121609A1/en not_active Abandoned
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US11089832B2 (en) | 2015-05-01 | 2021-08-17 | Gentex Corporation | Helmet impact attenuation article |
Also Published As
Publication number | Publication date |
---|---|
US20150121609A1 (en) | 2015-05-07 |
CA2866726A1 (en) | 2013-09-12 |
EP2822410A1 (en) | 2015-01-14 |
CA2770713A1 (en) | 2013-09-05 |
EP2822410A4 (en) | 2016-01-13 |
WO2013131169A1 (en) | 2013-09-12 |
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