EP1933656B1 - Casque - Google Patents

Casque Download PDF

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Publication number
EP1933656B1
EP1933656B1 EP06809017A EP06809017A EP1933656B1 EP 1933656 B1 EP1933656 B1 EP 1933656B1 EP 06809017 A EP06809017 A EP 06809017A EP 06809017 A EP06809017 A EP 06809017A EP 1933656 B1 EP1933656 B1 EP 1933656B1
Authority
EP
European Patent Office
Prior art keywords
helmet
shell
wearer
chin
strap
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
Application number
EP06809017A
Other languages
German (de)
English (en)
Other versions
EP1933656A1 (fr
Inventor
Christopher James Leatt
Grant Leigh Nelson
Mark Eric Hopkins
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Three Eleven Distribution Pty Ltd
Original Assignee
Three Eleven Distribution Pty Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Three Eleven Distribution Pty Ltd filed Critical Three Eleven Distribution Pty Ltd
Publication of EP1933656A1 publication Critical patent/EP1933656A1/fr
Application granted granted Critical
Publication of EP1933656B1 publication Critical patent/EP1933656B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • A42B3/0406—Accessories for helmets
    • A42B3/0473—Neck restraints
    • 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
    • A42B3/08—Chin straps or similar retention devices
    • A—HUMAN NECESSITIES
    • A42—HEADWEAR
    • A42B—HATS; HEAD COVERINGS
    • A42B3/00—Helmets; Helmet covers ; Other protective head coverings
    • A42B3/32—Collapsible helmets; Helmets made of separable parts ; Helmets with movable parts, e.g. adjustable
    • A42B3/326—Helmets with movable or separable chin or jaw guard

Definitions

  • THIS INVENTION relates to helmets.
  • Helmets for protecting a wearer's head against injuries are typically either of a "full face” or an "open face” configuration, including a tough, resilient shell, typically of a composite material or had plastic, a thick layer of polystyrene foam and a fabric lining, often with thin, soft padding for comfort.
  • Helmets known as "full face” helmets are commonly worn on the head as a precaution against head injuries in activities such as motor sport and typically include a shell that extends generally around the wearer's head, except for the face, and a so-called “chin bar” that extends across the lower part of the wearer's face.
  • the chin bar is typically integrally formed with the shell and is spaced from the wearer's mouth and nose, to allow him to breathe easily.
  • the impact is transferred via the shell and polystyrene foam to the skull of the wearer and causes injury to the skull and/or the upper cervical spine. Decelerating brain injury can occur as a result of deceleration of the helmet.
  • the outer shape of the shells are typically rounded, with the result that the helmet tends to perform a rolling action upon impact with most surfaces, which rolling action is transferred to the neck of the user or is resisted by the neck of the user, causing further loading and probable injury to the upper cervical spine.
  • US 6,446, 270 discloses a helmet with a deformable layer extending around a first shell.
  • Helmets are typically held in position on the wearer's head as a result of the complementally shaped concave inside of the helmet and a chin strap that extends around the jaw of the wearer.
  • the helmet tends to rotate forward and often, rotates off the rear of the wearer's head, exposing the rear of the wearer's head or the entire head, to injury.
  • the neck In the event of an accident in which the neck of the injured person may have been injured, the neck is often stabilised by fitting a neck brace.
  • a neck brace In the event of an accident in which the neck of the injured person may have been injured, the neck is often stabilised by fitting a neck brace.
  • it may be difficult or impossible to fit a neck brace without moving the head or neck, which in turn increases the risk of neck injury. It is likewise also very risky to attempt to remove the helmet from the patient's head, since this may also result in movement which could cause or exacerbate injury.
  • US 2004 / 0128744 discloses a protective collar for use with a full-face crash helmet.
  • the object of the present invention is to provide a helmet that can ameliorate the risk of injury in the event of impact.
  • trap is to be understood to include any flexible element, capable to transferring tensile loads and includes, but is not limited to a length of high strength fabric.
  • the outer profile of the helmet may define a plurality of generally planar surfaces.
  • the helmet may include a rear strap that is attachable to the chin strap and that is configured to extend around the head of the wearer, generally below the posterior occipital protuberance of the wearer.
  • the chin strap and the rear strap are configured such that tension applied to the chin strap places the rear strap under tension, e.g. the rear strap could be attachable to the chin strap.
  • the helmet may include an inflatable neck brace, configured to extend around the neck of the wearer, at least in part and the neck brace may be attached to the helmet, or may be an accessory that is fitted around the neck of the wearer when required, e.g. in the event of an accident.
  • a helmet in accordance with the present invention is generally indicated by reference numeral 10.
  • the helmet 10 includes a first or inner shell 12 of resilient material such as fibreglass, carbon fibre or a suitable plastics material, similar to the outer shell of a conventional helmet and shaped to extend generally around the head 14 of a wearer.
  • the helmet 10 includes a support structure in the form of a layer of polystyrene foam 16 and padding 18, also similar to that found in a conventional helmet, to support the shell 12 on the head 14.
  • a chin strap 20 that is attached to the shell 12 by rivets 22, that can be joined by releasable clips (not shown) and that can extend around the jaw of the wearer.
  • the helmet On the outside of the shell 12, the helmet has an impact absorbing component in the form of a layer 24, covered by a tough outer shell or skin 26.
  • an impact absorbing component in the form of a layer 24, covered by a tough outer shell or skin 26.
  • the material in the absorbing layer should deform readily under impact while absorbing as much energy from the impact as possible, but should not return to its original shape immediately, as the reactive forces this could create could increase the risk of injury to the upper cervical spine of the wearer.
  • the material in the impact absorbing layer 24 should return to its shape slowly, as is typically the case with materials with so-called "memory".
  • Some examples of materials suitable to be used in the impact absorbing layer 24 are expanded elastomers, such as expanded polyurethanes.
  • the material for the outer shell or skin 26 should preferably be flexible enough not to limit the deformation of the impact absorbing layer 24 too much during impact, but should be durable enough to resist wear during normal use of the helmet 10.
  • One example of a suitable material for the skin 26, would be a polyethylene.
  • the outer profile of the impact absorbing layer 24 and the skin 26, is shaped to form a number of surfaces 28 that are each generally planar. These surfaces 28 are disposed at locations on the helmet 10 where it is most likely, according to tests, to receive an impact during an accident.
  • the purpose of the planar surfaces 28 is to resist rolling of the helmet 10 during impact and thus to limit loading and possible injury on the wearer's neck or upper cervical spine.
  • the helmet 10 defines a face aperture 30 that corresponds to the position of the wearer's face and that is recessed laterally in the region of the wearer's eyes to improve lateral vision and defines a neck aperture 32 in the underside of the helmet, corresponding to the position of the wearer's neck.
  • a part of the inner shell 12 extends across the position of the wearer's jaw, between these two apertures 30, 32.
  • the helmet 10 further includes a resiliently deformable, elongate, curved chin bar 34 that extends on the outside of the inner shell 12 in a position that corresponds generally with that of the wearer's jaw, so that the helmet generally resembles a full face helmet.
  • the chin bar 34 comprises an impact absorbing layer 24 and outer skin 26, in the same way as the remainder of the helmet 10, but the ends 36 of the-chin- bar are not fixedly attached to the rest of the skin 26 and are displaceable relative to the rest of the skin.
  • the ends 36 extend immediately on the insides of the rest of the skin 26, so that they can slide inside the skin in case of impact on the chin bar 34, while the impact absorbing layer 24.is being deformed under the impact.
  • other impact absorbing structures may be used to connect the chin bar 34 to the rest of the skin 26, e.g. a dampened piston mechanism that is configured to absorb energy during impact and to return the chin bar to its original position slowly after impact.
  • the helmet 10 includes a rear strap 38 that is attached to the chin strap 20 and that extends around the back of the head 14, slightly below the posterior occipital protuberance 40.
  • attachment is meant that the rear strap 38 is structurally connected to the chin strap 20, e.g. the rear strap can be connected to the inner shell 12 by the same rivets 22 as the chin strap.
  • the rear strap 38 is attached to the chin strap itself, so that when the chin strap is placed under tension, it pulls on the rear strap which is also placed under tension, thus improving its grip on the posterior of the head 14.
  • the helmet 10 includes an inflatable neck brace 42 that can form in incomplete ring, when inflated, which can extend around the neck of the wearer, to stabilise the neck.
  • the incomplete ring shape of the neck brace 42 defines a gap 44 that can preferably be positioned at the front, thus allowing access to the wearer's throat.
  • the neck brace 42 can be worn as part of the helmet 10, extending generally around the neck aperture 32 in a deflated condition, to be inflated only when required, or can be kept separately, to be placed in position around the wearer's neck in a deflated condition when required and to be inflated.
  • the neck brace When the neck brace is inflated, it stabilises the wearer's neck by inhibiting movement of the helmet 10 closer to wearer's body on all sides.
  • This aspect of the invention holds the advantages that it is either in position at all times that the helmet 10 is worn, or it allows the neck brace to be placed in position while deflated, in which condition it has small dimensions and is flexible enough not to require movement of the wearer in order for it to be positioned.
  • the helmet 10 is worn in the conventional manner, with the chin bar 34 in its normal position, as shown in the drawings.
  • the chin bar 34 In the event of a frontal impact on the chin bar 34, e.g. in the event of a collision, the chin bar is rapidly displaced rearward under the impact while its ends 36 slide rearward inside the skin 26, but the impact is not directly transferred to the inner shell 12 as in the case of a conventional helmet. Instead, the impact is reduced by the absorption of energy in the impact absorbing layer 24. A reduced impact is thus transferred to the inner shell 12, which in turn is transferred via the polystyrene layer 16 and padding 18 to the heady 14, thus reducing the risk of injury to the skull and cervical spine.
  • the chin bar 34 After the impact, the chin bar 34 returns slowly to its normal position as the impact absorbing layer 24 returns to its original shape, thus allowing the helmet 10 to be removed from the head 14 with ease, allowing the user to breathe freely, etc.
  • the skin 26 and impact absorbing layer 24 are deformed and while doing so, energy from the impact is absorbed in the impact absorbing layer and a reduced impact is transferred to the inner shell 12. After the impact, the impact absorbing layer 24 returns slowly to its original shape.
  • the rear strap 38 grips the head 14 below the posterior occipital protuberance 40 and is prevented from sliding upwards by the protuberance, so that it inhibits further forward rotation of the helmet.
  • This action of the rear strap 38 is enhanced by its attachment to the chin strap 20.
  • the helmet 10 holds a number of advantages, mentioned above, but in particular, the structure of the helmet including the tough outer skin 26 and the impact absorbing layer 24, allows it to function over a wide range of decelerations, i.e. impact speeds, to reduce the risk of decelerating brain injury.

Landscapes

  • Helmets And Other Head Coverings (AREA)
  • Surgical Instruments (AREA)
  • Devices That Are Associated With Refrigeration Equipment (AREA)

Claims (6)

  1. Casque (10) comprenant :
    une première enveloppe élastique (12), mise en forme pour s'étendre globalement autour de la tête (14) d'un porteur ;
    une structure de support (16, 18) disposée à l'intérieur de la première enveloppe et configurée pour supporter la première enveloppe sur la tête du porteur ;
    au moins une jugulaire (20), pouvant être fixée à la première enveloppe et configurée pour s'étendre autour de la mâchoire du porteur, pour maintenir le casque en position ;
    une couche pouvant être déformée (24) s'étendant autour de la première enveloppe, au moins en partie, ladite couche pouvant être déformée (24) étant en une matière qui absorbe l'énergie en se déformant et qui reprend lentement sa forme d'origine après la déformation ; et
    une enveloppe extérieure dure (26) sur l'extérieur de la couche pouvant être déformée (24) ;
    caractérisé en ce que le casque comprend une mentonnière pouvant être déformée (34) disposée au niveau d'une position correspondant à la mâchoire du porteur, ladite mentonnière (34) s'étendant sur l'extérieur de l'enveloppe (12) et incluant une couche pouvant être déformée (24) et une enveloppe extérieure (26) sur l'extérieur de la couche pouvant être déformée (24), ladite mentonnière (34) ayant deux extrémités opposées (36) qui sont disposées adjacentes à l'enveloppe extérieure (26) au niveau d'emplacements latéraux, et les extrémités de la mentonnière (34) pouvant être déplacées par rapport à l'enveloppe extérieure du reste du casque.
  2. Casque (10) selon la revendication 1, caractérisé en ce que les extrémités (36) de la mentonnière (34) sont disposées immédiatement vers l'intérieur de l'enveloppe extérieure (26) du reste du casque et peuvent coulisser à l'intérieur de ladite enveloppe extérieure lors d'un choc.
  3. Casque (10) selon l'une quelconque des revendications précédentes, caractérisé en ce que le profil extérieur du casque définit une pluralité de surfaces globalement planes (28).
  4. Casque (10) selon dans la revendication 3, caractérisé en ce que les surfaces globalement planes (28) sont disposées au niveau d'emplacements qui sont susceptibles de recevoir un choc lors d'accidents.
  5. Casque (10) selon l'une quelconque des revendications précédentes, qui comprend une courroie arrière (38) qui peut être fixée à la jugulaire (20) et qui est configurée pour s'étendre autour de la tête (14) du porteur, globalement au-dessous de la protubérance occipitale postérieure (40) du porteur, caractérisé en ce que la jugulaire (20) et la courroie arrière (38) sont configurées de sorte qu'une tension appliquée à la jugulaire met la courroie arrière sous tension.
  6. Casque (10) selon l'une quelconque des revendications précédentes, caractérisé en ce que le casque comprend une minerve gonflable (42), configurée pour s'étendre autour du cou du porteur, au moins en partie, ladite minerve (42) étant portée en tant que partie du casque (10) dans un état dégonflé, pour être gonflée lorsque cela est nécessaire.
EP06809017A 2005-10-14 2006-10-13 Casque Not-in-force EP1933656B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ZA200508326 2005-10-14
PCT/IB2006/002866 WO2007042930A1 (fr) 2005-10-14 2006-10-13 Casque

Publications (2)

Publication Number Publication Date
EP1933656A1 EP1933656A1 (fr) 2008-06-25
EP1933656B1 true EP1933656B1 (fr) 2009-11-11

Family

ID=37685988

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06809017A Not-in-force EP1933656B1 (fr) 2005-10-14 2006-10-13 Casque

Country Status (9)

Country Link
US (1) US20110004980A1 (fr)
EP (1) EP1933656B1 (fr)
CN (1) CN101340829B (fr)
AT (1) ATE447866T1 (fr)
BR (1) BRPI0618410A2 (fr)
DE (1) DE602006010418D1 (fr)
ES (1) ES2338462T3 (fr)
HK (1) HK1120708A1 (fr)
WO (1) WO2007042930A1 (fr)

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SI2117481T1 (sl) * 2007-03-01 2012-02-29 Alpinestars Res Srl Opornica za vrat
ITTV20080039A1 (it) * 2008-03-06 2009-09-07 Alpinestars Research Srl Collare di protezione in particolare per guidatori di motoveicoli
KR101329402B1 (ko) * 2008-05-02 2013-11-14 알파인스타스 리서치 에스알엘 목 보호 장치
IT1391276B1 (it) * 2008-08-08 2011-12-01 Dainese Spa Casco perfezionato
SE534868C2 (sv) * 2010-05-07 2012-01-24 Mips Ab Hjälm med glidningsfrämjare anordnad vid ett energiabsorberande lager
ITVI20100180A1 (it) * 2010-06-24 2011-12-25 Soul Race Di Morellato Vivien Metodo di realizzazione di un dispositivo di protezione individuale e relativo dispositivo di protezione individuale cosi' ottenuto
US8898822B2 (en) 2011-01-24 2014-12-02 Kato Kollar, Inc. Athletic collar
US10716352B2 (en) 2011-07-21 2020-07-21 Brainguard Technologies, Inc. Visual and audio indicator of shear impact force on protective gear
US10238162B2 (en) 2011-07-21 2019-03-26 Brainguard Technologies, Inc. Energy and impact transformer layer
US10306941B2 (en) 2011-07-27 2019-06-04 Bauer Hockey, Llc Sports helmet with rotational impact protection
US9415711B2 (en) 2011-10-27 2016-08-16 Simpson Performance Products, Inc. Adjustable head and neck support device
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US8590064B1 (en) * 2012-05-17 2013-11-26 James D. Castillo Helmet suspension system
US20140013492A1 (en) * 2012-07-11 2014-01-16 Apex Biomedical Company Llc Protective helmet for mitigation of linear and rotational acceleration
US10834987B1 (en) 2012-07-11 2020-11-17 Apex Biomedical Company, Llc Protective liner for helmets and other articles
US10477909B2 (en) 2013-12-19 2019-11-19 Bauer Hockey, Llc Helmet for impact protection
CN104489987A (zh) * 2014-10-22 2015-04-08 嘉兴职业技术学院 一种多功能安全帽
AU2016219062B2 (en) * 2015-02-12 2018-03-01 Jonathan Cook Head and neck support and restraint system
CN114468454A (zh) 2015-06-02 2022-05-13 韦弗赛尔有限公司 具有限定的多阶段压溃特性的能量吸收结构
GB201511901D0 (en) * 2015-07-07 2015-08-19 Headkayse Ltd A helmet
US9961952B2 (en) 2015-08-17 2018-05-08 Bauer Hockey, Llc Helmet for impact protection
US10849383B2 (en) * 2016-03-18 2020-12-01 Stephen Sciortino Wearable impact protection and force channeling device
US11466962B2 (en) * 2016-08-31 2022-10-11 Tyr Tactical, Llc Ballistic collar
JP6800027B2 (ja) * 2017-01-20 2020-12-16 株式会社Ｓｈｏｅｉ ネックカバー及びヘルメット
CN110352020B (zh) * 2017-01-25 2022-08-16 贝尔运动股份有限公司 集成肩垫的头盔
DE102017217922A1 (de) * 2017-10-09 2019-04-11 Bayerische Motoren Werke Aktiengesellschaft Helmschalenteil für einen Zweiradhelm
ES2911244A1 (es) * 2020-11-17 2022-05-18 Gomez Enrique Rolandi Casco de proteccion para motos o similares con sistema de "airbag" incorporado
ES2911259A1 (es) * 2020-11-17 2022-05-18 Gomez Enrique Rolandi Sistema de seguridad integrado en cascos para motoristas o similares

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Also Published As

Publication number Publication date
CN101340829A (zh) 2009-01-07
WO2007042930A1 (fr) 2007-04-19
ES2338462T3 (es) 2010-05-07
BRPI0618410A2 (pt) 2011-08-30
EP1933656A1 (fr) 2008-06-25
US20110004980A1 (en) 2011-01-13
HK1120708A1 (en) 2009-04-09
ATE447866T1 (de) 2009-11-15
DE602006010418D1 (en) 2009-12-24
CN101340829B (zh) 2010-12-22

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