US20190373976A1 - Safety helmet capable of absorbing multi-direction impact - Google Patents
Safety helmet capable of absorbing multi-direction impact Download PDFInfo
- Publication number
- US20190373976A1 US20190373976A1 US16/023,832 US201816023832A US2019373976A1 US 20190373976 A1 US20190373976 A1 US 20190373976A1 US 201816023832 A US201816023832 A US 201816023832A US 2019373976 A1 US2019373976 A1 US 2019373976A1
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- United States
- Prior art keywords
- slide
- safety helmet
- facilitating
- shell
- flexible frame
- 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.)
- Pending
Links
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- 238000005096 rolling process Methods 0.000 claims description 5
- 210000002105 tongue Anatomy 0.000 claims description 5
- 239000011324 bead Substances 0.000 claims description 4
- 239000012530 fluid Substances 0.000 claims description 3
- 239000003190 viscoelastic substance Substances 0.000 claims description 3
- 230000002708 enhancing effect Effects 0.000 abstract 1
- 238000006073 displacement reaction Methods 0.000 description 6
- 230000001133 acceleration Effects 0.000 description 4
- 230000006378 damage Effects 0.000 description 4
- 208000030886 Traumatic Brain injury Diseases 0.000 description 3
- 208000027418 Wounds and injury Diseases 0.000 description 3
- 208000014674 injury Diseases 0.000 description 3
- 239000004033 plastic Substances 0.000 description 3
- 229920003023 plastic Polymers 0.000 description 3
- 230000009529 traumatic brain injury Effects 0.000 description 3
- 208000000202 Diffuse Axonal Injury Diseases 0.000 description 2
- 229930040373 Paraformaldehyde Natural products 0.000 description 2
- 239000004642 Polyimide Substances 0.000 description 2
- 208000002667 Subdural Hematoma Diseases 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 230000009521 diffuse axonal injury Effects 0.000 description 2
- 239000002783 friction material Substances 0.000 description 2
- 229920001721 polyimide Polymers 0.000 description 2
- 229920006324 polyoxymethylene Polymers 0.000 description 2
- 208000007333 Brain Concussion Diseases 0.000 description 1
- -1 Polyoxymethylene Polymers 0.000 description 1
- 208000028979 Skull fracture Diseases 0.000 description 1
- 229920010741 Ultra High Molecular Weight Polyethylene (UHMWPE) Polymers 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000004760 aramid Substances 0.000 description 1
- 229920003235 aromatic polyamide Polymers 0.000 description 1
- 210000004556 brain Anatomy 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000000084 colloidal system Substances 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
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Images
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
- A42B3/06—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
- A42B3/064—Impact-absorbing shells, e.g. of crash helmets with reinforcing means using layered structures with relative movement between layers
-
- A—HUMAN NECESSITIES
- A42—HEADWEAR
- A42B—HATS; HEAD COVERINGS
- A42B1/00—Hats; Caps; Hoods
- A42B1/002—External devices or supports adapted to retain the shape of hats, caps or hoods
-
- A—HUMAN NECESSITIES
- A42—HEADWEAR
- A42B—HATS; HEAD COVERINGS
- A42B1/00—Hats; Caps; Hoods
- A42B1/04—Soft caps; Hoods
- A42B1/08—Soft caps; Hoods with protection against blows
-
- 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
-
- 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
- A42B3/066—Impact-absorbing shells, e.g. of crash helmets specially adapted for cycling helmets, e.g. for soft shelled 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
- A42B3/10—Linings
- A42B3/14—Suspension devices
- A42B3/145—Size 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.
- 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.
- the slide-facilitating medium may be a fluid such as gas or liquid. Alternatively, 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.
- 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.
- FIG. 1 is a perspective view of a safety helmet of the present invention.
- FIG. 2 is an exploded view of the disclosed safety helmet.
- FIG. 3 is a cross-sectional applied view of the disclosed safety helmet.
- FIG. 4 similar to FIG. 3 , shows the shell receiving impact.
- FIGS. 5 a -5 g illustrate different aspects of the slide-facilitating medium of the disclosed safety helmet.
- 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 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.
Abstract
Description
- The present invention relates to safety helmets, and more particularly to a safety helmet that absorbs impact from multiple directions.
- Most existing safety helmets are formed by a rigid casing and a buffer layer filled under the rigidity casing. When impact acts on such a known safety helmet, the rigidity casing first bears a part of the impact energy, and the buffer layer later absorbs a part of the energy. The remaining energy has to be borne by the user's head and cervical vertebra. For safety helmets, 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. However, according to statistics, there have been seldom cases about pure radial or tangential impact. The most common type of injury is damage caused by diagonal impact, which is a combination of the two foregoing types of impact. When being subject to diagonal impact, a human head can have linear acceleration and slew acceleration at the same time, making it more vulnerable to grievous injury, such as cerebral concussion, traumatic brain injury (TBI), subdural hematoma (SDH) and diffuse axonal injury (DAI).
- For ensuring protective capability of safety helmets, 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.
- To achieve the foregoing objective, 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. Therein, 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. Thereby, when the shell receives incoming impact, especially diagonal impact, the slide-facilitating member allows the shell to slide with respect to the user's head. In this way, the impact force otherwise acting on the user's head can be absorbed and converted into other forms of energy, thereby providing better protection to the user's head.
- Preferably, the foregoing slide-facilitating member has a slide-facilitating medium. The slide-facilitating medium may be realized in various aspects. For example, the slide-facilitating medium may be a fluid such as gas or liquid. Alternatively, it may be a plurality of freely rolling beads. Alternatively, 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. Alternatively, 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. Alternatively, 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. Alternatively, 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. Alternatively, 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.
- More information about the configuration, features, fabrication and uses of the safety helmet of the present invention will be provided in the following description in detail. However, people skilled in the art shall appreciate that the detailed description and embodiments as well as aspects are for illustration only, and by no means intended to limit the scope of the present invention.
-
FIG. 1 is a perspective view of a safety helmet of the present invention. -
FIG. 2 is an exploded view of the disclosed safety helmet. -
FIG. 3 is a cross-sectional applied view of the disclosed safety helmet. -
FIG. 4 , similar toFIG. 3 , shows the shell receiving impact. -
FIGS. 5a-5g illustrate different aspects of the slide-facilitating medium of the disclosed safety helmet. - This is to be first emphasized herein that like elements or features will be identified by identical numbers throughout all figures.
- Referring to
FIGS. 1 and 2 , asafety helmet 10 of the present invention comprises ashell 20, aflexible frame 30, and a slide-facilitatingmember 40. - The
shell 20 has acasing 21 and abuffer layer 22. Thebuffer layer 22 is adhered to the inner surface of thecasing 21 using an adhesive. Thecasing 21 is made of a rigid material, such as hard plastic, and serves to provide first-line protection. Thebuffer 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 inFIG. 2 , theflexible frame 30 has twosymmetrical top ribs 32 and aside rib 34. The twotop ribs 32 each have one end integratedly connected to the front end of theside rib 34, and the rear end of theside rib 34 is provided with anadjuster 36, which can be used to adjust the circumference of theside rib 34 so that theside rib 34 can fittingly wrap different sizes of users' heads. Furthermore, thetop ribs 32 and theside rib 34 are each detachably attached to the inner surface of thebuffer layer 22 of theshell 20 inner surface through a fastener (not shown) such as a Velcro tape. Moreover, as shown inFIG. 3 , thetop ribs 32 and theside rib 34 may each have its outer surface provided with a plurality oftenons 38, so that in addition to the adhesion of the fasteners to the inner surface of thebuffer layer 22 of theshell 20, thesetenons 38 can engage withmortises 23 correspondingly arranged on thebuffer layer 22 to enhance the combination between theflexible frame 30 and theshell 20 while allowing easy detachment of theflexible 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 theflexible frame 30 through fasteners (not shown) such as velcro tapes, so that the slide-facilitatingmember 40 can be retained by theflexible frame 30 to have the reverse side of the covering 41 contact a user'shead 12 directly. In this way, the covering 41 can be easily detached for convenient cleaning when staining. The slide-facilitatingmember 40 further has a slide-facilitatingmedium 42 wrapped by the covering 41. In the present embodiment, the slide-facilitatingmedium 42 has two alignedsubstrates 43 and a plurality offlexible threads 44. The twosubstrates 43 are fixed to the covering 41 by means of an adhesive. Theflexible threads 44 are arranged between the twosubstrates 43 regularly or irregularly. With the presence of theseflexible threads 44, the twosubstrates 43 can perform relative displacement easily. It is to be also noted that, the slide-facilitatingmember 40 shown inFIG. 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. - With the foregoing configuration, when the
shell 20 is subject to incoming impact, thecasing 21 of theshell 20 bears part of the energy, and thebuffer layer 22 of theshell 20 absorbs a part of energy. Then when the remaining energy is transmitted to the slide-facilitatingmember 40, as shown inFIGS. 3 and 4 , the slide-facilitatingmember 40 has the slide-facilitatingmedium 42 allow theshell 20 to slide with respect to thehead 12, so that the impact force reaching the slide-facilitatingmember 40 is converted into potential energy generated by the relative displacement. The slide-facilitatingmember 40 can even slide with respect to thehead 12 due to the low friction of the covering 41, so that the impact force reaching the slide-facilitatingmember 40 can be further converted into thermal energy generated by mutual friction. This makes the user'shead 12 and cervical vertebra only have to bear the last remaining energy. In other words, when the disclosedsafety helmet 10 is subject to incoming impact, it uses the deformation of theshell 20 itself, the relative slide between theshell 20 and thehead 12, and the friction between the covering 41 and thehead 12 to multiply absorb and convert the impact force otherwise directly acting on thehead 12 into other forms of energy, so as to reliably protect thehead 12 from impact coming in multiple directions, especially diagonal impact. - It is further to be noted that the slide-facilitating
medium 42 may be embodied in various forms. For example, as shown inFIGS. 5a-5b , the slide-facilitatingmedium 42 is a fluid such as air or colloid, which uses its deforming property to allow theshell 20 to slide. Alternatively, as shown inFIG. 5c , the slide-facilitatingmedium 42 is composed of a plurality of rolling beads 46. These rolling beads 46 use their arbitrary rolling to slide theshell 20. Alternatively, as shown inFIG. 5d , the slide-facilitatingmedium 42 is composed of two alignedsubstrates 48 each having a low-friction surface 50. The low-friction surfaces 50 of the twosubstrates 48 abut against each other so that the twosubstrates 48 can move with respect to each other easily and in turn allow theshell 20 to side, Further, the twosubstrate 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. Alternatively, as shown inFIG. 5e , the slide-facilitatingmedium 42 is in the form of two alignedmagnets 52, which face each other with themagnetic poles 54 having the same polarity (not limited to the N pole or the S pole), so that the twomagnets 52 can perform relative displacement easily in virtue of magnetic repulsion, thereby facilitating slide of theshell 20. Alternatively, as shown inFIG. 5f , the slide-facilitatingmedium 42 is a plate made of a viscoelastic material and having a plurality ofrecesses 56 and a plurality oftongues 58, these recesses andtongues medium 42 performs elastic deformation under an external force, slide of theshell 20 is achieved. At last, alternatively, as shown inFIG. 5g , the slide-facilitatingmedium 42 has asubstrate 60 and a plurality offlexible bars 62 connected to thesubstrate 60, so that the elasticity of theflexible bars 62 allows theshell 20 to slide.
Claims (14)
Priority Applications (2)
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US16/808,855 US20200196696A1 (en) | 2018-06-12 | 2020-03-04 | Safety helmet capable of absorbing multi-direction impact |
US16/808,886 US20200196697A1 (en) | 2018-06-12 | 2020-03-04 | Safety helmet capable of absorbing multi-direction impact |
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TW107120239 | 2018-06-12 | ||
TW107120239A TWI680727B (en) | 2018-06-12 | 2018-06-12 | Hard hat capable of absorbing multi-directional impact |
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US16/808,886 Continuation US20200196697A1 (en) | 2018-06-12 | 2020-03-04 | Safety helmet capable of absorbing multi-direction impact |
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US16/808,886 Abandoned US20200196697A1 (en) | 2018-06-12 | 2020-03-04 | Safety helmet capable of absorbing multi-direction impact |
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US16/808,886 Abandoned US20200196697A1 (en) | 2018-06-12 | 2020-03-04 | Safety helmet capable of absorbing multi-direction impact |
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EP (2) | EP3581052B1 (en) |
CN (1) | CN110584255B (en) |
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Cited By (5)
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USD897046S1 (en) * | 2018-06-18 | 2020-09-22 | Bell Sports, Inc. | Cycling helmet |
USD906596S1 (en) * | 2018-10-17 | 2020-12-29 | Vog—Image Police Inc. | Helmet |
US11147335B2 (en) * | 2016-12-14 | 2021-10-19 | Mips Ab | Helmet |
US20220087355A1 (en) * | 2019-03-14 | 2022-03-24 | Socovar L.P. | Helmet with padding arrangement |
WO2022189773A1 (en) * | 2021-03-10 | 2022-09-15 | Centurion Safety Products Limited | Cradle type safety helmet having a liner to facilitate rotation responsive to oblique impact |
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WO2020115063A1 (en) * | 2018-12-04 | 2020-06-11 | Mips Ab | Helmet |
US11766083B2 (en) | 2019-03-25 | 2023-09-26 | Tianqi Technology Co (Ningbo) Ltd | Helmet |
GB2608473B (en) * | 2021-11-03 | 2023-08-30 | Etienne & Co Ltd | A modular cap |
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- 2018-06-14 CN CN201810612936.8A patent/CN110584255B/en active Active
- 2018-06-19 EP EP18178470.3A patent/EP3581052B1/en active Active
- 2018-06-19 EP EP20189808.7A patent/EP3756496B1/en active Active
- 2018-06-29 US US16/023,832 patent/US20190373976A1/en active Pending
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2020
- 2020-03-04 US US16/808,855 patent/US20200196696A1/en not_active Abandoned
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US11147335B2 (en) * | 2016-12-14 | 2021-10-19 | Mips Ab | Helmet |
USD897046S1 (en) * | 2018-06-18 | 2020-09-22 | Bell Sports, Inc. | Cycling helmet |
USD906596S1 (en) * | 2018-10-17 | 2020-12-29 | Vog—Image Police Inc. | Helmet |
US20220087355A1 (en) * | 2019-03-14 | 2022-03-24 | Socovar L.P. | Helmet with padding arrangement |
WO2022189773A1 (en) * | 2021-03-10 | 2022-09-15 | Centurion Safety Products Limited | Cradle type safety helmet having a liner to facilitate rotation responsive to oblique impact |
Also Published As
Publication number | Publication date |
---|---|
TW202000058A (en) | 2020-01-01 |
TWI680727B (en) | 2020-01-01 |
EP3581052B1 (en) | 2021-03-24 |
EP3581052A1 (en) | 2019-12-18 |
EP3756496B1 (en) | 2022-04-20 |
EP3756496A1 (en) | 2020-12-30 |
US20200196696A1 (en) | 2020-06-25 |
CN110584255A (en) | 2019-12-20 |
CN110584255B (en) | 2023-06-02 |
US20200196697A1 (en) | 2020-06-25 |
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