EP3756496B1 - Zur absorption von multidirektionalen stössen fähiger sicherheitshelm - Google Patents

Zur absorption von multidirektionalen stössen fähiger sicherheitshelm Download PDF

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Publication number
EP3756496B1
EP3756496B1 EP20189808.7A EP20189808A EP3756496B1 EP 3756496 B1 EP3756496 B1 EP 3756496B1 EP 20189808 A EP20189808 A EP 20189808A EP 3756496 B1 EP3756496 B1 EP 3756496B1
Authority
EP
European Patent Office
Prior art keywords
slide
flexible frame
shell
safety helmet
side rib
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.)
Active
Application number
EP20189808.7A
Other languages
English (en)
French (fr)
Other versions
EP3756496A1 (de
Inventor
Gavin Michael Vos
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.)
Vog Image Police Inc
Original Assignee
Vog Image Police Inc
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Filing date
Publication date
Application filed by Vog Image Police Inc filed Critical Vog Image Police Inc
Publication of EP3756496A1 publication Critical patent/EP3756496A1/de
Application granted granted Critical
Publication of EP3756496B1 publication Critical patent/EP3756496B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • AHUMAN NECESSITIES
    • A42HEADWEAR
    • A42BHATS; HEAD COVERINGS
    • A42B3/00Helmets; Helmet covers ; Other protective head coverings
    • A42B3/04Parts, details or accessories of helmets
    • A42B3/06Impact-absorbing shells, e.g. of crash helmets
    • A42B3/062Impact-absorbing shells, e.g. of crash helmets with reinforcing means
    • A42B3/063Impact-absorbing shells, e.g. of crash helmets with reinforcing means using layered structures
    • A42B3/064Impact-absorbing shells, e.g. of crash helmets with reinforcing means using layered structures with relative movement between layers
    • AHUMAN NECESSITIES
    • A42HEADWEAR
    • A42BHATS; HEAD COVERINGS
    • A42B1/00Hats; Caps; Hoods
    • A42B1/002External devices or supports adapted to retain the shape of hats, caps or hoods
    • AHUMAN NECESSITIES
    • A42HEADWEAR
    • A42BHATS; HEAD COVERINGS
    • A42B1/00Hats; Caps; Hoods
    • A42B1/04Soft caps; Hoods
    • A42B1/08Soft caps; Hoods with protection against blows
    • AHUMAN NECESSITIES
    • A42HEADWEAR
    • A42BHATS; HEAD COVERINGS
    • A42B3/00Helmets; Helmet covers ; Other protective head coverings
    • A42B3/32Collapsible helmets; Helmets made of separable parts ; Helmets with movable parts, e.g. adjustable
    • AHUMAN NECESSITIES
    • A42HEADWEAR
    • A42BHATS; HEAD COVERINGS
    • A42B3/00Helmets; Helmet covers ; Other protective head coverings
    • A42B3/04Parts, details or accessories of helmets
    • A42B3/06Impact-absorbing shells, e.g. of crash helmets
    • A42B3/066Impact-absorbing shells, e.g. of crash helmets specially adapted for cycling helmets, e.g. for soft shelled helmets
    • AHUMAN NECESSITIES
    • A42HEADWEAR
    • A42BHATS; HEAD COVERINGS
    • A42B3/00Helmets; Helmet covers ; Other protective head coverings
    • A42B3/04Parts, details or accessories of helmets
    • A42B3/10Linings
    • A42B3/14Suspension devices
    • A42B3/145Size adjustment devices

Definitions

  • the present invention relates to safety helmets, and more particularly to a safety helmet that absorbs impact from multiple directions.
  • incoming impact can be divided into three types, namely radial impact, tangential impact, and diagonal impact. Radial impact can cause linear acceleration of a user's head that may lead to skull fracture and/or traumatic brain injury. Tangential impact can cause angular acceleration of a user's head that may bring about shear-based injury to brain and/or cervical vertebra.
  • US 2017/347736 discloses a safety helmet, wherein a flexible frame attached to the inner surface of the shell functions as a slide-facilitating member.
  • the relevant manufactures usually test their helmet products for impact absorption before shipment. Nevertheless, since these tests are usually designed for radial impact, the existing safety helmets may be good at absorbing radial impact, but are likely to fail to protect their user from impact acting in different directions (especially diagonal impact).
  • the primary objective of the present invention is to provide a safety helmet that absorbs multi-direction and thereby provides improved protection to its user's head.
  • the disclosed safety helmet comprises a shell, a flexible frame, and a slide-facilitating member.
  • the flexible frame is attached to the inner surface of the shell, and the slide-facilitating member is attached to the inner surface of the flexible frame.
  • the flexible frame supports the shell, while retaining the slide-facilitating member, so that the slide-facilitating member can fittingly and comfortably embrace a user's head.
  • the slide-facilitating member facilitates slide of the shell.
  • the foregoing slide-facilitating member has a slide-facilitating medium.
  • the slide-facilitating medium may be realized in various aspects. For example, it may be a plurality of freely rolling beads.
  • the slide-facilitating medium may be two aligned substrates that abut against each other with a low-friction surface so as to have relative displacement therebetween.
  • the slide-facilitating medium may be two aligned magnets facing each other with magnetic poles having the same polarity, so that the two magnets can easily have relative displacement due to magnetic repulsion.
  • the slide-facilitating medium may be two aligned substrates and a plurality of flexible threads arranged therebetween. These flexible threads allow the two substrates to perform relative displacement.
  • the slide-facilitating medium may be a plate made of a viscoelastic material.
  • the plate has a plurality of recesses and a plurality of tongues, which are arranged next to each other alternately, so that the plate can use its own elasticity to allow such slide.
  • the slide-facilitating medium has a substrate and a plurality of flexible bars connected to the substrates. The flexible bars have deforming property that allows such slide.
  • a safety helmet 10 of the present invention comprises a shell 20, a flexible frame 30, and a slide-facilitating member 40.
  • the shell 20 has a casing 21 and a buffer layer 22.
  • the buffer layer 22 is adhered to the inner surface of the casing 21 using an adhesive.
  • the casing 21 is made of a rigid material, such as hard plastic, and serves to provide first-line protection.
  • the buffer layer 22 is made of a shock-absorbing material, such as foam, for damping shock and buffering.
  • the flexible frame 30 is made of an elastic material, such as elastic plastic. As shown in FIG. 2 , the flexible frame 30 has two symmetrical top ribs 32 and a side rib 34.
  • the two top ribs 32 each have one end integratedly connected to the front end of the side rib 34, and the rear end of the side rib 34 is provided with an adjuster 36, which can be used to adjust the circumference of the side rib 34 so that the side rib 34 can fittingly wrap different sizes of users' heads.
  • the top ribs 32 and the side rib 34 are each detachably attached to the inner surface of the buffer layer 22 of the shell 20 inner surface through a fastener (not shown) such as a Velcro tape.
  • a fastener not shown
  • the top ribs 32 and the side rib 34 may each have its outer surface provided with a plurality of tenons 38, so that in addition to the adhesion of the fasteners to the inner surface of the buffer layer 22 of the shell 20, these tenons 38 can engage with mortises 23 correspondingly arranged on the buffer layer 22 to enhance the combination between the flexible frame 30 and the shell 20 while allowing easy detachment of the flexible frame 30 for convenient adjustment.
  • the slide-facilitating member 40 has a covering 41, which is made of a low-friction material, such as flannel.
  • the covering 41 has one side adhered to the inner surface of the flexible frame 30 through fasteners (not shown) such as velcro tapes, so that the slide-facilitating member 40 can be retained by the flexible frame 30 to have the reverse side of the covering 41 contact a user's head 12 directly. In this way, the covering 41 can be easily detached for convenient cleaning when staining.
  • the slide-facilitating member 40 further has a slide-facilitating medium 42 wrapped by the covering 41.
  • the slide-facilitating medium 42 has two aligned substrates 43 and a plurality of flexible threads 44. The two substrates 43 are fixed to the covering 41 by means of an adhesive.
  • the flexible threads 44 are arranged between the two substrates 43 regularly or irregularly. With the presence of these flexible threads 44, the two substrates 43 can perform relative displacement easily. It is to be also noted that, the slide-facilitating member 40 shown in FIG. 2 contains two units, one corresponding to head top and the other embracing the head peripherally. However, in practice, the two units may be integrated into a unity, or alternatively be divided into three or more units, depending on practical needs.
  • the slide-facilitating member 40 when the shell 20 is subject to incoming impact, the casing 21 of the shell 20 bears part of the energy, and the buffer layer 22 of the shell 20 absorbs a part of energy. Then when the remaining energy is transmitted to the slide-facilitating member 40, as shown in FIGs. 3 and 4 , the slide-facilitating member 40 has the slide-facilitating medium 42 allow the shell 20 to slide with respect to the head 12, so that the impact force reaching the slide-facilitating member 40 is converted into potential energy generated by the relative displacement. The slide-facilitating member 40 can even slide with respect to the head 12 due to the low friction of the covering 41, so that the impact force reaching the slide-facilitating member 40 can be further converted into thermal energy generated by mutual friction.
  • the disclosed safety helmet 10 when the disclosed safety helmet 10 is subject to incoming impact, it uses the deformation of the shell 20 itself, the relative slide between the shell 20 and the head 12, and the friction between the covering 41 and the head 12 to multiply absorb and convert the impact force otherwise directly acting on the head 12 into other forms of energy, so as to reliably protect the head 12 from impact coming in multiple directions, especially diagonal impact.
  • the slide-facilitating medium 42 may be embodied in various forms.
  • the slide-facilitating medium 42 is a fluid such as air or colloid, which uses its deforming property to allow the shell 20 to slide.
  • the slide-facilitating medium 42 is composed of a plurality of rolling beads 46. These rolling beads 46 use their arbitrary rolling to slide the shell 20.
  • the slide-facilitating medium 42 is composed of two aligned substrates 48 each having a low-friction surface 50.
  • the low-friction surfaces 50 of the two substrates 48 abut against each other so that the two substrates 48 can move with respect to each other easily and in turn allow the shell 20 to side
  • the two substrate 48 may be made of a low-friction material such as Polyoxymethylene (POM), Aramid, plastic with chemical lubricants, Polyimide (PI), ultra-high molecular weight polyethylene (UHMWPE), or the like.
  • a low-friction material such as Polyoxymethylene (POM), Aramid, plastic with chemical lubricants, Polyimide (PI), ultra-high molecular weight polyethylene (UHMWPE), or the like.
  • POM Polyoxymethylene
  • Aramid plastic with chemical lubricants
  • PI Polyimide
  • UHMWPE ultra-high molecular weight polyethylene
  • the slide-facilitating medium 42 is in the form of two aligned magnets 52, which face each other with the magnetic poles 54 having the same polarity (not limited to the N pole or the S pole), so that the two magnets 52 can perform relative displacement easily in virtue of magnetic repulsion, thereby facilitating slide of the shell 20.
  • the slide-facilitating medium 42 is a plate made of a viscoelastic material and having a plurality of recesses 56 and a plurality of tongues 58, these recesses and tongues 56, 58 are arranged next to each other alternately, so that when the slide-facilitating medium 42 performs elastic deformation under an external force, slide of the shell 20 is achieved.
  • the slide-facilitating medium 42 has a substrate 60 and a plurality of flexible bars 62 connected to the substrate 60, so that the elasticity of the flexible bars 62 allows the shell 20 to slide.

Landscapes

  • Helmets And Other Head Coverings (AREA)

Claims (6)

  1. Schutzhelm, welcher umfasst:
    eine Schale (20);
    einen flexiblen Rahmen (30), der an einer Innenfläche der Schale (20) befestigt ist; und
    ein Gleitunterstützungselement (40), das an einer Innenfläche des flexiblen Rahmens (30) angebracht ist und dazu dient, der Schale (20) zu ermöglichen, mit Bezug auf den Kopf eines Benutzers, der sie trägt, zu gleiten, wenn die Schale (20) einen eintreffenden Stoß erhält, worin das Gleitunterstützungselement (40) eine Abdeckung (41) und ein Gleitunterstützungsmedium (42) aufweist, worin die Abdeckung (41) an der Innenfläche des flexiblen Rahmens (30) befestigt ist und das Gleitunterstützungsmedium (42) von der Abdeckung (41) umhüllt ist, worin das Gleitunterstützungsmedium ausgewählt ist aus der Gruppe umfassend, mehrere Rollkugeln (46); zwei ausgerichtete Substrate (48), die jeweils eine reibungsarme Oberfläche (50) aufweisen, worin die reibungsarmen Oberflächen (50) der beiden Substrate (48) aneinander anliegen; zwei ausgerichtete Magnete (52), die einander mit Magnetpolen (54) gleicher Polarität gegenüberstehen; zwei ausgerichtete Substrate (43) und mehrere flexible Fäden (44), die zwischen den beiden Substraten (43) angeordnet sind; oder eine Platte aus einem viskoelastischen Material, die mehrere Ausnehmungen (56) und mehrere Zungen (58) aufweist, worin die Ausnehmungen (56) und die Zungen (58) abwechselnd nebeneinander angeordnet sind.
  2. Schutzhelm nach Anspruch 1, wobei die Schale (20) ein Gehäuse (21) und eine Pufferschicht (22) aufweist, worin die Pufferschicht (22) mit einer Außenfläche an der Innenfläche des Gehäuses (21) befestigt ist und der flexible Rahmen (30) an einer Innenfläche der Pufferschicht (22) befestigt ist und auch abnehmbar ist.
  3. Schutzhelm nach Anspruch 2, worin der flexible Rahmen (30) an der Innenfläche der Pufferschicht (22) durch ein Befestigungselement befestigt ist.
  4. Schutzhelm nach Anspruch 3, worin der flexible Rahmen (30) zwei symmetrische obere Rippen (32) und eine seitliche Rippe (34) aufweist, worin die beiden oberen Rippen (32) jeweils ein vorderes Ende aufweisen, das mit einem vorderen Ende der seitlichen Rippe (34) einstückig verbunden ist, und die seitliche Rippe (34) ein hinteres Ende aufweist, das mit einer Einstellvorrichtung (36) versehen ist, die zum Einstellen eines von der seitlichen Rippe (34) definierten Umfangs verwendet wird.
  5. Schutzhelm nach Anspruch 2, worin die Innenfläche der Pufferschicht (22) mehrere Zapfenlöcher (23) und eine Außenfläche des flexiblen Rahmens (30) mehrere Zapfen (38) aufweist, so dass die Zapfen (38) des flexiblen Rahmens (30) entsprechend mit den Zapfenlöchern (23) der Pufferschicht (22) in Eingriff stehen.
  6. Schutzhelm nach Anspruch 5, worin der flexible Rahmen (30) zwei symmetrische obere Rippen (32) und eine Seitenrippe (34) aufweist, worin die beiden oberen Rippen (32) jeweils ein vorderes Ende aufweisen, das mit einem vorderen Ende der Seitenrippe (34) einstückig verbunden ist, und die Seitenrippe (34) ein hinteres Ende aufweist, das mit einer Einstellvorrichtung (36) versehen ist, die zum Einstellen eines durch die Seitenrippe (34) definierten Umfangs verwendet wird.
EP20189808.7A 2018-06-12 2018-06-19 Zur absorption von multidirektionalen stössen fähiger sicherheitshelm Active EP3756496B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
TW107120239A TWI680727B (zh) 2018-06-12 2018-06-12 可吸收多向衝擊之安全帽
EP18178470.3A EP3581052B1 (de) 2018-06-12 2018-06-19 Zur absorption von multidirektionalen stössen fähiger sicherheitshelm

Related Parent Applications (3)

Application Number Title Priority Date Filing Date
EP18178470.3A Division EP3581052B1 (de) 2018-06-12 2018-06-19 Zur absorption von multidirektionalen stössen fähiger sicherheitshelm
EP18178470.3A Previously-Filed-Application EP3581052B1 (de) 2018-06-12 2018-06-19 Zur absorption von multidirektionalen stössen fähiger sicherheitshelm
EP18178470.3A Division-Into EP3581052B1 (de) 2018-06-12 2018-06-19 Zur absorption von multidirektionalen stössen fähiger sicherheitshelm

Publications (2)

Publication Number Publication Date
EP3756496A1 EP3756496A1 (de) 2020-12-30
EP3756496B1 true EP3756496B1 (de) 2022-04-20

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Family Applications (2)

Application Number Title Priority Date Filing Date
EP20189808.7A Active EP3756496B1 (de) 2018-06-12 2018-06-19 Zur absorption von multidirektionalen stössen fähiger sicherheitshelm
EP18178470.3A Active EP3581052B1 (de) 2018-06-12 2018-06-19 Zur absorption von multidirektionalen stössen fähiger sicherheitshelm

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP18178470.3A Active EP3581052B1 (de) 2018-06-12 2018-06-19 Zur absorption von multidirektionalen stössen fähiger sicherheitshelm

Country Status (4)

Country Link
US (3) US20190373976A1 (de)
EP (2) EP3756496B1 (de)
CN (1) CN110584255B (de)
TW (1) TWI680727B (de)

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Also Published As

Publication number Publication date
US20200196696A1 (en) 2020-06-25
CN110584255B (zh) 2023-06-02
TWI680727B (zh) 2020-01-01
EP3581052A1 (de) 2019-12-18
US20200196697A1 (en) 2020-06-25
TW202000058A (zh) 2020-01-01
EP3756496A1 (de) 2020-12-30
US20190373976A1 (en) 2019-12-12
EP3581052B1 (de) 2021-03-24
CN110584255A (zh) 2019-12-20

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