US20160249702A1 - Protective helmet - Google Patents
Protective helmet Download PDFInfo
- Publication number
- US20160249702A1 US20160249702A1 US15/028,477 US201415028477A US2016249702A1 US 20160249702 A1 US20160249702 A1 US 20160249702A1 US 201415028477 A US201415028477 A US 201415028477A US 2016249702 A1 US2016249702 A1 US 2016249702A1
- Authority
- US
- United States
- Prior art keywords
- wall
- impact absorption
- absorption device
- helmet
- helmet shell
- 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.)
- Abandoned
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Classifications
-
- 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
- A42B3/14—Suspension devices
- A42B3/147—Anchoring means
-
- 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
- A42B3/08—Chin straps or similar retention devices
-
- 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
- A42B3/125—Cushioning devices with a padded structure, e.g. foam
-
- 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
- A42B3/14—Suspension devices
-
- 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
- A42B3/281—Air ducting systems
- A42B3/283—Air inlets or outlets, with or without closure shutters
Definitions
- the invention relates to a protective helmet comprising a helmet shell, a support cage and a securing device for securing the support cage on the helmet shell.
- Such a protective helmet is, for example, known from the DE 10 2010 097 012 A1. It is particularly intended to protect forest workers, however, it is also usefully deployable for applications in industry, on construction sites, and for sports, particularly climbing.
- the disclosure of the cited publication is, to the full extent also the disclosure of the present document.
- the requirements on a high-quality protective helmet are diverse. Apart from design and wearing comfort, of course the safety provided by the helmet has priority in the requirements specification.
- the protective helmet is to protect the wearer from impacts of all kinds, for example from falling items or branches from falling trees, in the process the helmet has to accomplish various things.
- the helmet shell has to be extremely robust to prevent breakage or puncture by rather small items such as stones.
- the helmet shell also has to have a certain plasticity to absorb the kinetic energy of heavy items impinging on the helmet on this basis. The absorption of the kinetic energy is less about protecting the head covered by the helmet but rather about rendering an injury of the wearer's cervical spine less probable.
- the invention is based on the object to further develop a protective helmet so that, together with a high stability of the helmet shell and the protection against head injuries ensured thereby, an enhanced protection of the wearer against impacts with high kinetic energy and thus an enhanced protection of the cervical spine are provided.
- the invention is based on the generic protective helmet in that an impact absorption device is disposed between the support cage and the helmet shell.
- an impact absorption device is disposed below the helmet shell a part of the function to be intrinsically fulfilled by the helmet shell, namely to provide for attenuation in case of heavy impacts, is assumed by the impact absorption device disposed below the helmet shell.
- the helmet shell can, insofar, be substantially optimised without particular consideration of impact absorption, it only has to be sufficiently deformable to be capable of transferring kinetic energy to the impact absorption device disposed below the helmet shell. The former will then take over the major part of the absorption of kinetic energy.
- the impact absorption device is, at least partly, positively arranged on the helmet shell and/or the support cage.
- the positive abutment of the impact absorption device on the helmet shell and the support cage ensures that the kinetic energy transmitted to the helmet shell in case of an impact will immediately act on the impact absorption device, and that not a substantial part of the kinetic energy is transferred from the helmet shell to the support cage and thus the head of the wearer first.
- the impact absorption device being, at least partly, non-positively arranged on the helmet shell and/or the support cage.
- the impact absorption device exhibits a substantially plastic deformation behaviour in case of an impact on the helmet shell, if the blows to the helmet are so heavy that actually a deformation of the impact absorption device occurs it is advisable to replace the helmet. Since the impact absorption device is plastically deformed it can be seen that the helmet suffered a heavy impact. Owing to the plastic deformation behaviour it is therefore avoided that a potentially damaged helmet is accidentally used again.
- the protective helmet according to the invention is, in a particularly advantageous manner, further developed in that the impact absorption device comprises a plurality of cavities which are separated from each other by walls. Owing to the plurality of cavities the impact absorption device is altogether light-weight so that the wearing comfort of the helmet is not affected. Furthermore the cavities provide for the space required for enabling a substantial deformation of the impact absorption device which may, eventually, lead to a substantial absorption of kinetic energy.
- the cavities are, at least partly, formed as tubes. Particularly if the ends of these tubes are, on the one hand, facing the head of the wearer, and, on the other hand, facing away from the head of the wearer, a useful ventilation effect may be favoured thereby.
- a helmet was already exposed to a heavy impact without taking it apart by only looking at the impact absorption device through the support cage. Namely, in case of a deformation of the impact absorption device, substantial optical differences will become visible in the area of a deformation due to the translucence of the tubes.
- the tubes are, at least partly, constituted of one or more extruded copolymers.
- Such copolymers may be formed with extremely thin walls while still providing for sufficient stability, in this way the requirements of a low weight and a high stability as well as the good absorption properties can be combined.
- the tubes at least partly, comprise an inner wall and an outer wall which contact each other, wherein the inner wall is thicker than the outer wall.
- the outer wall can be optimised for the purpose of being connected to the outer walls of adjacent tubes.
- the inner wall assumes the chief work in absorbing the kinetic energy.
- the tubes at least partly, have an inner wall and an outer wall which contact each other with the outer walls of adjacent tubes being connectable to each other by action of heat.
- the impact absorption device is made of Koroyd.
- Koroyd is a material made of extruded tubes consisting of copolymers. The tubes are arranged in parallel and are thermally welded together so that each tube has six neighbours surrounding it. In this way a honeycomb-like structure emerges. The tube array may be readily thermally deformed, laminated, cut, or processed in another way to assume the required form as an impact absorption device between the support cage and the helmet shell.
- Koroyd is a trademark of the Koroyd SARL.
- the helmet shell comprises an additional securing device by which at least one other component apart from the support cage can be secured on the helmet shell, the additional securing device being, in addition, provided as a positioning aid for the impact absorption device.
- the additional securing device may, for example, be two lugs in which a chin strap for the protective helmet can be mounted. These lugs can be optimally positioned for the exemplary mounting of the chin strap while, at the same time, determining the position of the impact absorption device during the assembly of the helmet. In this way, no errors occur during the assembly of the helmet, which in turn increases overall safety.
- the securing device for securing the support cage on the helmet shell is designed so that the support cage assumes an end position with respect to the securing device in the used state of the protective helmet, and that the support cage applies a force to the impact absorption device in the end position which prevents a shift of the impact absorption device between the helmet shell and the support cage.
- the impact absorption device is ideally held in its position by the force between support cage, impact absorption device, and helmet shell, as well as by the additional securing device.
- the impact absorption device has grooves forming ventilation channels together with the helmet shell on its side facing the helmet shell.
- Thermal balance under a protective helmet is an important issue.
- overheating in the head area of the wearer causes considerable problems.
- accidents were caused by overheating which thus would not have happened without a protective helmet.
- wearing a protective helmet becomes an unreasonableity in specific situations.
- This problem is solved by the ventilation channels in the impact absorption device.
- Conventional helmets are often lined with foam material to thereby absorb impacts. These foam materials are excellent heat insulators so that in certain situations overheating is to be expected.
- the impact absorption device with its tubes leading from the head area of the wearer to the direction of the helmet shell enable ventilation in the direction of the helmet shell, wherein discharged warm air and particularly water vapour can then be conveyed on through ventilation channels to the outside of the impact absorption device. In this way the climate inside the helmet is always balanced, and no dangerous situations arise which might be caused by overheating.
- a further advantage is that the ventilation channels communicate with openings of the helmet shell, in this way air and water vapour led in the ventilation channels escape to the outside through the openings in the helmet shell without hindrance.
- FIG. 1 shows a plan view of a protective helmet according to the invention with a partly cut helmet shell
- FIG. 2 shows a plan view according to FIG. 1 including an enlarged detail
- FIG. 3 shows a front view of a helmet according to the invention with a partly cut helmet shell placed on the head of a wearer;
- FIG. 4 shows a side view of a protective helmet according to the invention with a partly cut helmet shell placed on the head of a wearer;
- FIG. 5 shows a side view of a protective helmet according to the invention with a partly cut helmet shell and interior fittings placed on the head of a wearer;
- FIG. 8 shows a side view of a protective helmet cut in the longitudinal direction
- FIG. 7 shows a detail from FIG. 8 .
- FIG. 1 shows a plan view of a protective helmet 10 according to the invention with a partly cut helmet shell 12 .
- the protective helmet 10 comprises a helmet shell 12 as well as a support cage 14 .
- the helmet shell 12 is at least substantially symmetric with respect to a sectional plane 30 . In the present illustration the right part of the symmetric helmet shell 12 is omitted so that a view of the interior fittings of the helmet is exposed.
- the support cage 14 is positioned on the head of the wearer, an intermediate layer, particularly a foam material layer, being capable of enhancing the wearing comfort.
- the support cage 14 is connected to the helmet shell 12 via securing devices 16 .
- connection between the securing devices 18 and the helmet shell 12 is not directly discernible since the side of the helmet shell 12 on which a securing device 18 is visible is cut itself.
- the interior fittings of the helmet 10 including, in particular, the support cage 14 and the impact absorption device 18 are also, at least substantially, symmetric with respect to the sectional plane 30 so that it is clear, thereby, that the support cage 14 is connected to the helmet shell 12 on both sides of the protective helmet 10 .
- the impact absorption device 18 has grooves 32 , 34 , 36 , 38 , 40 on its surface. They serve as ventilation grooves, and they form ventilation channels together with the helmet shell 12 due to the fact that the impact absorption device 18 abuts to the inside of the helmet shell 12 . The relevance of these ventilation channels will become obvious in connection with FIG. 2 .
- FIG. 2 shows a plan view according to FIG. 1 including an enlarged detail 48 .
- the entire impact absorption device 18 has the structure shown in the detail 48 .
- the impact absorption device 18 has a plurality of cavities 20 separated from each other by wails.
- the cavities 20 are formed as tubes 24 fixedly connected to each other.
- the tubes 24 connect the area of the impact absorption device 18 on the side of the head with the area of the impact absorption device 18 on the side of the helmet shell. Insofar they permit air and particularly water vapour to flow from the inside to the outside through the tubes 24 . In this place the ventilation channels formed by the grooves 32 , 34 , 36 , 38 , 40 and the helmet shell 12 come into play.
- the major part of the gasses escaping to the outside through the tubes 24 is gathered by the ventilation channels and transported to the edge of the impact absorption device 18 or the openings 42 , 44 , 36 of the helmet shell 12 where the gasses can then escape into the atmosphere.
- the edge of the impact absorption device 18 is provided with a textile ribbon, mainly for optical reasons. A very coarse textile material is provided so that the gasses can escape without hindrances at the edge.
- the impact absorption device In addition to cooling the head in consequence of the discharge of air and water vapour the impact absorption device also offers the possibility to let heat radiation pass, and that in a substantially greater extent than, for example, a device made of rigid foam.
- FIG. 3 shows a front view of a helmet according to the invention with a partly cut helmet shell placed on the head of a wearer.
- the edge 54 of the impact absorption device 18 abutting to the support cage 14 is visible which is surrounded by a coarse-meshed textile ribbon (not shown).
- the groove 32 runs up to the edge 54 to discharge the transported warm gasses there.
- the groove 34 ends in front of the edge 54 since if communicates with grooves laterally leading to the edge (comp. numerals 38 and 40 in FIG. 2 ).
- the groove 34 extends up to the edge 54 even though it has several options to discharge the gasses transported by it then.
- FIG. 4 shows a side view of a protective helmet according to the invention with a partly cut helmet shell placed on the head of a wearer.
- the edge 54 as well as the grooves 36 , 38 , 40 ending in the edge are clearly visible.
- FIG. 5 shows a side view of a protective helmet according to the invention with a partly cut helmet shell and interior fittings placed on the head of a wearer, in this illustration in which, in contrast to FIG. 4 , not only the helmet shell 12 but also the impact absorption device 18 is shown cut along its plane of symmetry a foam pad 58 can be seen via which the support cage 14 rests on the head of the wearer. The foam pad 56 adheres to the bottom of the support cage 14 . The support cage 14 holds the impact absorption device 18 in its position between the support cage 14 and the helmet shell 12 .
- FIG. 6 shows a side view of a protective helmet 10 cut in the longitudinal direction.
- FIG. 7 shows a detail from FIG. 6 .
- the inner side of the helmet shell 12 cut in the plane of symmetry is regarded.
- a securing device 16 for securing a chin strap is to be seen. It is, symmetric with regard to the sectional plane, also provided on the other side of the helmet shell.
- the impact absorption device 18 is placed in the empty helmet shell 12 .
- the securing devices 26 help positioning the impact absorption device 18 relative to the helmet shell 12 and eventually also relative to the subsequently inserted support cage 14 .
- the securing devices 26 are not only useful for securing the chin strap and for supporting the positioning of the impact absorption device 18 but also prevent the impact absorption device 18 from shifting or slipping out of place while the helmet is used. Furthermore, the impact absorption device 18 is also firmly held between the support cage 14 and the helmet shell 12 . This is ensured by the support cage 14 having a defined end position when connected to the helmet shell 12 via the securing device 16 . In this end position a non-positive connection is established between the support cage 14 , the impact absorption device 18 , and the helmet shell 12 which guarantees a secure position of the components relative to each other.
Landscapes
- Helmets And Other Head Coverings (AREA)
Abstract
Description
- 1.Field of the Invention
- The invention relates to a protective helmet comprising a helmet shell, a support cage and a securing device for securing the support cage on the helmet shell.
- 2. Discussion of the Related Art
- Such a protective helmet is, for example, known from the DE 10 2010 097 012 A1. It is particularly intended to protect forest workers, however, it is also usefully deployable for applications in industry, on construction sites, and for sports, particularly climbing. The disclosure of the cited publication is, to the full extent also the disclosure of the present document.
- The requirements on a high-quality protective helmet are diverse. Apart from design and wearing comfort, of course the safety provided by the helmet has priority in the requirements specification. The protective helmet is to protect the wearer from impacts of all kinds, for example from falling items or branches from falling trees, in the process the helmet has to accomplish various things. First of all the helmet shell has to be extremely robust to prevent breakage or puncture by rather small items such as stones. On the other hand, the helmet shell also has to have a certain plasticity to absorb the kinetic energy of heavy items impinging on the helmet on this basis. The absorption of the kinetic energy is less about protecting the head covered by the helmet but rather about rendering an injury of the wearer's cervical spine less probable.
- The invention is based on the object to further develop a protective helmet so that, together with a high stability of the helmet shell and the protection against head injuries ensured thereby, an enhanced protection of the wearer against impacts with high kinetic energy and thus an enhanced protection of the cervical spine are provided.
- The invention is based on the generic protective helmet in that an impact absorption device is disposed between the support cage and the helmet shell. As a result of the impact absorption device being disposed below the helmet shell a part of the function to be intrinsically fulfilled by the helmet shell, namely to provide for attenuation in case of heavy impacts, is assumed by the impact absorption device disposed below the helmet shell. The helmet shell can, insofar, be substantially optimised without particular consideration of impact absorption, it only has to be sufficiently deformable to be capable of transferring kinetic energy to the impact absorption device disposed below the helmet shell. The former will then take over the major part of the absorption of kinetic energy.
- Usefully it is contemplated that the impact absorption device is, at least partly, positively arranged on the helmet shell and/or the support cage. The positive abutment of the impact absorption device on the helmet shell and the support cage ensures that the kinetic energy transmitted to the helmet shell in case of an impact will immediately act on the impact absorption device, and that not a substantial part of the kinetic energy is transferred from the helmet shell to the support cage and thus the head of the wearer first.
- Comparable advantages are provided by the impact absorption device being, at least partly, non-positively arranged on the helmet shell and/or the support cage.
- It is particularly advantageous that the impact absorption device exhibits a substantially plastic deformation behaviour in case of an impact on the helmet shell, if the blows to the helmet are so heavy that actually a deformation of the impact absorption device occurs it is advisable to replace the helmet. Since the impact absorption device is plastically deformed it can be seen that the helmet suffered a heavy impact. Owing to the plastic deformation behaviour it is therefore avoided that a potentially damaged helmet is accidentally used again.
- The protective helmet according to the invention is, in a particularly advantageous manner, further developed in that the impact absorption device comprises a plurality of cavities which are separated from each other by walls. Owing to the plurality of cavities the impact absorption device is altogether light-weight so that the wearing comfort of the helmet is not affected. Furthermore the cavities provide for the space required for enabling a substantial deformation of the impact absorption device which may, eventually, lead to a substantial absorption of kinetic energy.
- It is particularly advantageous that the cavities are, at least partly, formed as tubes. Particularly if the ends of these tubes are, on the one hand, facing the head of the wearer, and, on the other hand, facing away from the head of the wearer, a useful ventilation effect may be favoured thereby. In addition, if can be seen if a helmet was already exposed to a heavy impact without taking it apart by only looking at the impact absorption device through the support cage. Namely, in case of a deformation of the impact absorption device, substantial optical differences will become visible in the area of a deformation due to the translucence of the tubes.
- Here, it may be contemplated that the tubes are, at least partly, constituted of one or more extruded copolymers. Such copolymers may be formed with extremely thin walls while still providing for sufficient stability, in this way the requirements of a low weight and a high stability as well as the good absorption properties can be combined.
- It is further advantageous that the tubes, at least partly, comprise an inner wall and an outer wall which contact each other, wherein the inner wall is thicker than the outer wall. In case of this design of the tubes, the outer wall can be optimised for the purpose of being connected to the outer walls of adjacent tubes. The inner wall assumes the chief work in absorbing the kinetic energy.
- In this connection it is particularly useful that the tubes, at least partly, have an inner wall and an outer wall which contact each other with the outer walls of adjacent tubes being connectable to each other by action of heat.
- Usefully it is contemplated that the impact absorption device is made of Koroyd. Koroyd is a material made of extruded tubes consisting of copolymers. The tubes are arranged in parallel and are thermally welded together so that each tube has six neighbours surrounding it. In this way a honeycomb-like structure emerges. The tube array may be readily thermally deformed, laminated, cut, or processed in another way to assume the required form as an impact absorption device between the support cage and the helmet shell. Koroyd is a trademark of the Koroyd SARL.
- The invention is, in a particularly advantageous manner, further developed in that the helmet shell comprises an additional securing device by which at least one other component apart from the support cage can be secured on the helmet shell, the additional securing device being, in addition, provided as a positioning aid for the impact absorption device. The additional securing device may, for example, be two lugs in which a chin strap for the protective helmet can be mounted. These lugs can be optimally positioned for the exemplary mounting of the chin strap while, at the same time, determining the position of the impact absorption device during the assembly of the helmet. In this way, no errors occur during the assembly of the helmet, which in turn increases overall safety.
- It is further advantageous that the securing device for securing the support cage on the helmet shell is designed so that the support cage assumes an end position with respect to the securing device in the used state of the protective helmet, and that the support cage applies a force to the impact absorption device in the end position which prevents a shift of the impact absorption device between the helmet shell and the support cage. The impact absorption device is ideally held in its position by the force between support cage, impact absorption device, and helmet shell, as well as by the additional securing device.
- It is also particularly advantageous that the impact absorption device has grooves forming ventilation channels together with the helmet shell on its side facing the helmet shell. Thermal balance under a protective helmet is an important issue. In particular, overheating in the head area of the wearer causes considerable problems. There are findings that accidents were caused by overheating which thus would not have happened without a protective helmet. In consequence, wearing a protective helmet becomes an absurdity in specific situations. This problem is solved by the ventilation channels in the impact absorption device. Conventional helmets are often lined with foam material to thereby absorb impacts. These foam materials are excellent heat insulators so that in certain situations overheating is to be expected. The impact absorption device with its tubes leading from the head area of the wearer to the direction of the helmet shell enable ventilation in the direction of the helmet shell, wherein discharged warm air and particularly water vapour can then be conveyed on through ventilation channels to the outside of the impact absorption device. In this way the climate inside the helmet is always balanced, and no dangerous situations arise which might be caused by overheating.
- A further advantage is that the ventilation channels communicate with openings of the helmet shell, in this way air and water vapour led in the ventilation channels escape to the outside through the openings in the helmet shell without hindrance.
- The invention will now be explained by way of example with the aid of preferred embodiments with reference to the accompanying drawings in which:
-
FIG. 1 shows a plan view of a protective helmet according to the invention with a partly cut helmet shell; -
FIG. 2 shows a plan view according toFIG. 1 including an enlarged detail; -
FIG. 3 shows a front view of a helmet according to the invention with a partly cut helmet shell placed on the head of a wearer; -
FIG. 4 shows a side view of a protective helmet according to the invention with a partly cut helmet shell placed on the head of a wearer; -
FIG. 5 shows a side view of a protective helmet according to the invention with a partly cut helmet shell and interior fittings placed on the head of a wearer; -
FIG. 8 shows a side view of a protective helmet cut in the longitudinal direction; and -
FIG. 7 shows a detail fromFIG. 8 . - In the following description of the drawings identical numerals designate identical or comparable components.
-
FIG. 1 shows a plan view of aprotective helmet 10 according to the invention with a partly cuthelmet shell 12. Theprotective helmet 10 comprises ahelmet shell 12 as well as asupport cage 14. Thehelmet shell 12 is at least substantially symmetric with respect to asectional plane 30. In the present illustration the right part of thesymmetric helmet shell 12 is omitted so that a view of the interior fittings of the helmet is exposed. When theprotective helmet 10 is used, thesupport cage 14 is positioned on the head of the wearer, an intermediate layer, particularly a foam material layer, being capable of enhancing the wearing comfort. Thesupport cage 14 is connected to thehelmet shell 12 via securingdevices 16. In the present illustration the connection between the securingdevices 18 and thehelmet shell 12 is not directly discernible since the side of thehelmet shell 12 on which a securingdevice 18 is visible is cut itself. However, the interior fittings of thehelmet 10 including, in particular, thesupport cage 14 and theimpact absorption device 18 are also, at least substantially, symmetric with respect to thesectional plane 30 so that it is clear, thereby, that thesupport cage 14 is connected to thehelmet shell 12 on both sides of theprotective helmet 10. Theimpact absorption device 18 hasgrooves helmet shell 12 due to the fact that theimpact absorption device 18 abuts to the inside of thehelmet shell 12. The relevance of these ventilation channels will become obvious in connection withFIG. 2 . -
FIG. 2 shows a plan view according toFIG. 1 including anenlarged detail 48. The entireimpact absorption device 18 has the structure shown in thedetail 48. Namely, theimpact absorption device 18 has a plurality of cavities 20 separated from each other by wails. In the described embodiment the cavities 20 are formed as tubes 24 fixedly connected to each other. The tubes 24 connect the area of theimpact absorption device 18 on the side of the head with the area of theimpact absorption device 18 on the side of the helmet shell. Insofar they permit air and particularly water vapour to flow from the inside to the outside through the tubes 24. In this place the ventilation channels formed by thegrooves helmet shell 12 come into play. The major part of the gasses escaping to the outside through the tubes 24 is gathered by the ventilation channels and transported to the edge of theimpact absorption device 18 or theopenings helmet shell 12 where the gasses can then escape into the atmosphere. The edge of theimpact absorption device 18 is provided with a textile ribbon, mainly for optical reasons. A very coarse textile material is provided so that the gasses can escape without hindrances at the edge. In addition to cooling the head in consequence of the discharge of air and water vapour the impact absorption device also offers the possibility to let heat radiation pass, and that in a substantially greater extent than, for example, a device made of rigid foam. -
FIG. 3 shows a front view of a helmet according to the invention with a partly cut helmet shell placed on the head of a wearer. Here, theedge 54 of theimpact absorption device 18 abutting to thesupport cage 14 is visible which is surrounded by a coarse-meshed textile ribbon (not shown). It can also be seen that thegroove 32 runs up to theedge 54 to discharge the transported warm gasses there. Thegroove 34 ends in front of theedge 54 since if communicates with grooves laterally leading to the edge (comp.numerals FIG. 2 ). However, it is also possible that thegroove 34 extends up to theedge 54 even though it has several options to discharge the gasses transported by it then. -
FIG. 4 shows a side view of a protective helmet according to the invention with a partly cut helmet shell placed on the head of a wearer. In this illustration theedge 54 as well as thegrooves -
FIG. 5 shows a side view of a protective helmet according to the invention with a partly cut helmet shell and interior fittings placed on the head of a wearer, in this illustration in which, in contrast toFIG. 4 , not only thehelmet shell 12 but also theimpact absorption device 18 is shown cut along its plane of symmetry a foam pad 58 can be seen via which thesupport cage 14 rests on the head of the wearer. Thefoam pad 56 adheres to the bottom of thesupport cage 14. Thesupport cage 14 holds theimpact absorption device 18 in its position between thesupport cage 14 and thehelmet shell 12. -
FIG. 6 shows a side view of aprotective helmet 10 cut in the longitudinal direction.FIG. 7 shows a detail fromFIG. 6 . In bothFIGS. 6 and 7 , the inner side of thehelmet shell 12 cut in the plane of symmetry is regarded. A securingdevice 16 for securing a chin strap is to be seen. It is, symmetric with regard to the sectional plane, also provided on the other side of the helmet shell. During the assembly of the helmet first theimpact absorption device 18 is placed in theempty helmet shell 12. During this process the securingdevices 26 help positioning theimpact absorption device 18 relative to thehelmet shell 12 and eventually also relative to the subsequently insertedsupport cage 14. The securingdevices 26 are not only useful for securing the chin strap and for supporting the positioning of theimpact absorption device 18 but also prevent theimpact absorption device 18 from shifting or slipping out of place while the helmet is used. Furthermore, theimpact absorption device 18 is also firmly held between thesupport cage 14 and thehelmet shell 12. This is ensured by thesupport cage 14 having a defined end position when connected to thehelmet shell 12 via the securingdevice 16. In this end position a non-positive connection is established between thesupport cage 14, theimpact absorption device 18, and thehelmet shell 12 which guarantees a secure position of the components relative to each other. - The features of the invention disclosed in the above description, in the drawings may be important for the realisation of the invention both individually and in any combination.
-
- 10 protective helmet
- 12 helmet shell
- 14 support cage
- 16 securing device
- 18 impact absorption device
- 20 cavities
- 22 walls
- 24 tubes
- 26 securing device
- 30 sectional plane
- 32 groove
- 34 groove
- 36 groove
- 38 groove
- 40 groove
- 42 opening
- 44 opening
- 46 opening
- 48 detail
- 50 cavity
- 52 wall
- 54 edge
- 56 foam pad
Claims (15)
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102013016919 | 2013-10-11 | ||
DE102013016919.4 | 2013-10-11 | ||
DE201410007350 DE102014007350A1 (en) | 2013-10-11 | 2014-05-19 | helmet |
DE102014007350.5 | 2014-05-19 | ||
PCT/EP2014/071569 WO2015052251A1 (en) | 2013-10-11 | 2014-10-08 | Protective helmet |
Publications (1)
Publication Number | Publication Date |
---|---|
US20160249702A1 true US20160249702A1 (en) | 2016-09-01 |
Family
ID=52738108
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US15/028,477 Abandoned US20160249702A1 (en) | 2013-10-11 | 2014-08-10 | Protective helmet |
Country Status (9)
Country | Link |
---|---|
US (1) | US20160249702A1 (en) |
EP (1) | EP3054801B1 (en) |
AU (1) | AU2014333867B2 (en) |
CA (1) | CA2926979C (en) |
DE (1) | DE102014007350A1 (en) |
ES (1) | ES2673420T3 (en) |
NZ (1) | NZ719527A (en) |
PL (1) | PL3054801T3 (en) |
WO (1) | WO2015052251A1 (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
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WO2020056416A1 (en) * | 2018-09-14 | 2020-03-19 | Beckman Steven Benjamin | Baseball helmet and related methods |
US20200367596A1 (en) * | 2013-08-13 | 2020-11-26 | Smith Optics, Inc. | Helmet with shock absorbing inserts |
US10980307B2 (en) | 2017-08-14 | 2021-04-20 | Thomas M. Stade | Helmet system |
US11027186B2 (en) * | 2015-03-17 | 2021-06-08 | Major League Baseball Properties, Inc. | Protective headgear for sports participants, especially baseball fielders |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
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WO2017033093A1 (en) | 2015-08-27 | 2017-03-02 | Pfizer Inc. | Bicyclic-fused heteroaryl or aryl compounds as irak4 modulators |
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US20200367596A1 (en) * | 2013-08-13 | 2020-11-26 | Smith Optics, Inc. | Helmet with shock absorbing inserts |
US11844390B2 (en) * | 2013-08-13 | 2023-12-19 | Smith Sport Optics, Inc. | Helmet with shock absorbing inserts |
US11864615B2 (en) | 2013-08-13 | 2024-01-09 | Smith Sport Optics, Inc. | Helmet with shock absorbing inserts |
US11027186B2 (en) * | 2015-03-17 | 2021-06-08 | Major League Baseball Properties, Inc. | Protective headgear for sports participants, especially baseball fielders |
US10980307B2 (en) | 2017-08-14 | 2021-04-20 | Thomas M. Stade | Helmet system |
WO2020056416A1 (en) * | 2018-09-14 | 2020-03-19 | Beckman Steven Benjamin | Baseball helmet and related methods |
Also Published As
Publication number | Publication date |
---|---|
EP3054801B1 (en) | 2018-03-14 |
PL3054801T3 (en) | 2018-08-31 |
EP3054801A1 (en) | 2016-08-17 |
CA2926979A1 (en) | 2015-04-16 |
NZ719527A (en) | 2020-08-28 |
AU2014333867A1 (en) | 2016-05-19 |
ES2673420T3 (en) | 2018-06-21 |
AU2014333867B2 (en) | 2019-02-21 |
DE102014007350A1 (en) | 2015-04-16 |
WO2015052251A1 (en) | 2015-04-16 |
CA2926979C (en) | 2021-09-14 |
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