EP3583862A1 - Fahrradhelmpassformsystem - Google Patents

Fahrradhelmpassformsystem Download PDF

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Publication number
EP3583862A1
EP3583862A1 EP19176637.7A EP19176637A EP3583862A1 EP 3583862 A1 EP3583862 A1 EP 3583862A1 EP 19176637 A EP19176637 A EP 19176637A EP 3583862 A1 EP3583862 A1 EP 3583862A1
Authority
EP
European Patent Office
Prior art keywords
helmet
head
coupling points
forehead strap
stem
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
Application number
EP19176637.7A
Other languages
English (en)
French (fr)
Inventor
Michael J. Musal
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.)
Bell Sports Inc
Original Assignee
Bell Sports Inc
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 Bell Sports Inc filed Critical Bell Sports Inc
Publication of EP3583862A1 publication Critical patent/EP3583862A1/de
Pending legal-status Critical Current

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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
    • A42B3/06—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
    • A42B3/08—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
    • A42B3/14—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
    • 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
    • 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
    • A42B3/324—Adjustable helmets

Definitions

  • aspects of this document generally relate to a helmet, more particularly to a bicycle helmet having a continuous gap that allows airflow over the user's head and thus reduces heat build-up and retention.
  • a physical impact to the head of a person may cause serious injury or death.
  • protective gear such as a helmet
  • activities that are associated with an increased level of risk for a head injury. Examples of such activities include, but are not limited to, skiing, snowboarding, bicycling, rollerblading, rock climbing, skate boarding, and motorcycling.
  • a helmet is designed to maintain its structural integrity and stay secured to the head of a user during an impact.
  • a bicycle helmet is designed to protect the user's head, including by absorbing and dissipating energy during an impact with a surface such as the ground.
  • Bicycle helmet interiors include energy management materials such as an arrangement of padding and/or foam, wherein the energy management materials cover and contact a significant extent of the user's head. In this manner, the energy management materials directly or intimately contact the user's head.
  • this arrangement can result in undesirable heat build-up and/or heat retention when the helmet is worn during the sporting activity. The heat build-up and/or heat retention is exacerbated in a variety of conditions, such as when the cyclist is participating in a race or training session in a warm environment.
  • Some bicycle helmets seek to reduce heat retention by providing openings and channels in the helmet shell and the energy management materials.
  • the openings and channels are configured to promote air movement over portions of the user's head.
  • one conventional helmet includes a front inlet formed in the helmet shell and configured to provide for flow of inlet air onto and over the user's forehead. Channels are provided over and around a crown area of the head, and a rear port communicating with the channels discharges air flow supplied by the front inlet through the channels while the user moves in a forward direction relative to the ground.
  • the energy management material of this conventional helmet directly contacts the user's head.
  • An aspect of the disclosure relates to a helmet for protecting the head of a user that may comprise at least one liner comprising an outer shell and an energy management layer, the energy management layer comprising an inner surface and a lower edge surrounding the inner surface at a helmet opening configured to receive a head of a helmet wearer, at least two coupling points located on the inner surface proximal to the lower edge, at least one flexible forehead strap following the lower edge of the energy management layer and inwardly offset from the inner surface, at least two prongs comprising a stem and a head, the head having a larger cross-section than a cross-section of the stem, wherein the stem is attached to and projects away from the flexible forehead strap towards the inner surface and the head couples with the inner surface at one of the at least two coupling points, a continuous gap between the inner surface and the flexible forehead strap extending around an entirety of the lower edge, and an adjustable connector coupled to each end of the at least one flexible forehead strap and capable of adjusting a perimeter of the flexible forehead strap, wherein the adjustable connector comprises a knob
  • the at least two coupling points may each comprise a hole wherein a length of the stem is greater than a depth of the hole and the stem is slidably coupled within the hole.
  • a first of the at least two coupling points may be located in a right front portion of the inner surface and a second of the at least two coupling points being located in a left front portion of the inner surface.
  • the at least two coupling points may comprise two pairs of coupling points, a first pair of coupling points located in a right front portion of the inner liner and a second pair of coupling points located in a left front portion of the inner liner; and wherein the at least two prongs comprises two pairs of prongs located on the flexible forehead strap and positioned to couple with the two pairs of coupling points.
  • the continuous gap may have a width measuring within a range of .158cm (1/16 inches) to .635cm (1/4 inches).
  • a helmet for protecting the head of a user may comprise at least one liner comprising an outer shell and an energy management layer, the energy management layer comprising an inner surface and a lower edge surrounding the inner surface at a helmet opening configured to receive a head of a helmet wearer, at least two coupling points located on the inner surface adjacent the lower edge, at least one flexible forehead strap following the lower edge of the energy management layer, inwardly offset from the inner surface, and coupled to the inner surface at the coupling points, a coupling point gap separating the inner surface from the flexible forehead strap at each coupling point, the coupling point gap having a width measuring at least 1/16 inch, and an adjustable connector coupled to the at least one flexible forehead strap and capable of adjusting a perimeter of the flexible forehead strap.
  • the at least two coupling points may each comprise a hole wherein the stem is slidably coupled with the hole and a portion of the stem is configured to remain outside of the hole.
  • a first of the at least two coupling points may be located in a right front portion of the inner surface and a second of the at least two coupling points being located in a left front portion of the inner surface.
  • the flexible forehead strap may comprise at least two prongs comprising a stem and a head, the head having a larger cross-section than a cross-section of the stem, wherein the stem is attached to and projects away from the flexible forehead strap towards the inner surface and the head couples with the inner surface at one of the at least two coupling points.
  • Each coupling point may be configured to receive a pair of prongs and the at least two prongs comprise at least two pairs of prongs, located on the flexible forehead strap and positioned to couple with the first and second coupling points.
  • the coupling point gap may have a width measuring 1/4 inch or less.
  • the adjustable connector may comprise a knob that decreases the perimeter when adjusted in a first direction and increases the perimeter when adjusted in a second direction different from the first direction.
  • a helmet for protecting the head of a user may comprise at least one helmet liner comprising an outer shell and an energy management layer, the energy management layer comprising an inner surface and a lower edge surrounding the inner surface at a helmet opening configured to receive a head of a helmet wearer, at least two coupling points located on the inner surface proximal to the lower edge, at least one flexible forehead strap following the lower edge of the energy management layer, inwardly offset from the inner surface, and coupled to the inner surface at the coupling points, and a continuous gap between the inner surface and the flexible forehead strap at each of the at least two coupling points.
  • the at least two coupling points may each comprise a hole wherein a length of the stem is greater than a depth of the hole and a portion of the length of the stem is configured to remain outside of the hole.
  • a coupling point gap separating the inner surface from the flexible forehead strap at each coupling point, the coupling point gap having a width measuring at least 1/16 inch.
  • a first of the at least two coupling points may be located in a right front portion of the inner surface proximal to the lower edge and a second of the at least two coupling points being located in a left front portion of the inner surface proximal to the lower edge, wherein the at least two coupling points are proximal to a helmet wearer's head temples when in use.
  • At least two prongs comprising a stem and a head, the head having a larger cross-section than a cross-section of the stem, wherein the stem is attached to and projects away from the flexible forehead strap towards the inner surface and the head couples with the inner surface at one of the at least two coupling points.
  • Each coupling point may be capable of receiving a pair of prongs and the at least two prongs comprises at least two pairs of prongs, located on the flexible forehead strap and positioned to couple with the first and second coupling points.
  • the continuous gap having a width measuring within a range of .158cm (1/16 inches) to .635cm (1/4 inches).
  • An adjustable connector coupled to the at least one flexible forehead strap and capable of adjusting a perimeter of the flexible forehead strap.
  • noun, term, or phrase is intended to be further characterized, specified, or narrowed in some way, such noun, term, or phrase will expressly include additional adjectives, descriptive terms, or other modifiers in accordance with the normal precepts of English grammar. Absent the use of such adjectives, descriptive terms, or modifiers, it is the intent that such nouns, terms, or phrases be given their plain, and ordinary English meaning to those skilled in the applicable arts as set forth above.
  • a user 2 is shown riding a bicycle 4 and wearing a bicycle helmet 10 configured according to an embodiment of the present disclosure.
  • a bicycle helmet 10 configured according to an embodiment of the present disclosure.
  • FIG. 2 illustrates a helmet 8 having a liner comprising an outer shell 22 and an energy management layer 24, a flexible forehead strap 14, an adjustable connector 18, and a chinstrap 20.
  • a gap 9 at the front of the helmet between the flexible forehead strap 14 and the energy management layer 24, at the points where the flexible forehead strap 14 is coupled to the energy management layer 24, it is securely and closely coupled without a gap between the flexible forehead strap 14 and the energy management layer 24. This non-gapped connection restricts some of the air flow through the helmet and the fit system.
  • FIGs. 3-5 illustrate an embodiment of a bicycle helmet 10 including a liner 12, a flexible forehead strap 14, a continuous gap 16, an adjustable connector 18, and a chinstrap 20.
  • the liner 12 comprises an outer shell 22 and an energy management layer 24.
  • the outer shell 22 may comprise a plastic material, such as polycarbonate; however, in other embodiments, the outer shell 22 may also or alternatively comprise KEVLAR, ABS plastic, carbon fiber, fiberglass, and the like.
  • the energy management layer 24 comprises expanded polystyrene ("EPS"). In other embodiments, the energy management layer 24 may also, or alternatively, comprise expanded polypropylene (“EPP”) or other energy management or energy absorbing materials.
  • EPS expanded polystyrene
  • EPP expanded polypropylene
  • the chinstrap 20 includes connectable segments which may be attached to one or both of the outer shell 22 and the energy management layer 24 for securing the helmet 10 to the user's head 6, as generally known in the art.
  • the energy management layer 24 includes an inner surface 40 which has a front portion 26 that overlies the user's forehead with a right front portion 28 on the right and a left front portion 30 on the left, a top portion 32 that overlies the crown region of the user's head 6, and a rear portion 34 that overlies at least a portion of the occipital region of the user's head.
  • FIGs. 1-4A are commonly recognized in the cycling field as "road” helmets and are designed for general use during recreational and certain types of competitive cycling. It should be appreciated that the principles and teachings discussed herein are equally applicable to other types of bicycle helmets, such as a “sprinter” helmet, an “aero” helmet, and any other helmets that include an adjustable fit system inside the helmet.
  • a sprinter helmet is designed to be more aerodynamic than a typical road helmet, and as such has a more smoothly contoured outer shell 22 and fewer ventilation openings 36.
  • an aero helmet is designed to be even more aerodynamic, having a substantially streamlined shape that resembles a "tear-drop" configuration.
  • Aero helmets are also configured to have as few ventilation openings 36 as possible, and in many cases have no ventilation openings 36 whatsoever. As those skilled in the art will appreciate, the benefits and advantages associated with the concepts and teachings discussed herein may become more apparent to the user as the number of ventilation openings 36 in the helmet 10 decrease.
  • the helmet 10 includes at least one flexible forehead strap 14 that extends around a lower edge 38 of the energy management layer 24 and adjustably contacts the user's head 6 to support the helmet 10 while defining a continuous gap 16 between the user's head 6 and an inner surface 40 of the energy management layer 24.
  • flexible forehead straps 14 also extend over the user's head 6 from the user's forehead region over the crown region and to the occipital region.
  • the continuous gap 16 may also extend across the outer surface of the user's head 6 from the user's forehead region over the crown region and to the occipital region (see FIG. 7 for example).
  • the flexible forehead strap 14 includes at least two or more prongs 42 extending from an outer surface of the flexible forehead strap 14 for coupling into corresponding coupling points 48 on the inner surface 40 of the energy management layer 24.
  • the two or more prongs 42 are elongated when compared with prongs from previous helmets (for example that shown in FIG. 2 ), thus extending the connecting junction between the flexible forehead strap 14 and the energy management layer 24 and creating a continuous gap 16 between the flexible forehead strap 14 and the inner surface 40 of the energy management layer 24.
  • Each prong 42 extends outward, away from the flexible forehead strap 14 and may include a stem 44 and a head 46.
  • the stem 44 includes a length "L" long enough to span the continuous gap 16 and allow the head 46 to couple with a corresponding coupling point 48 on the inner surface 40 of the energy management layer 24.
  • the coupling points 48 may be receivers comprising a flexible entrance 49 that allows the head 46, when force is applied, to pass through the flexible entrance 49 to the receivers and restrict its flexible entrance 49 size to smaller than the largest dimension of the head 46 after the head 46 has passed through the flexible entrance 49 into the receiver.
  • the coupling points 48 may be in-molded into the energy management material when the energy management material is formed, or added thereafter using methods known in the art.
  • the head 46 of the prong 42 may be formed in a variety of shapes. As shown in FIG.
  • the prong 42 may have a mushroom-shaped head 46 which is capable of snapping into the coupling point 48.
  • the head 46 may be T-shaped or any other shape, and may couple with the coupling point 48 in a variety of ways, such as through the use of adhesives, clips, clamps, snaps, hook and loop, or other types of fasteners.
  • the inside of the connection points 48 are deeper than the largest dimension of the head 46 so that when the head 46 is received in the connection point 48, the head 46 can still move within the connection point 48 to allow for an adaptable continuous gap 16 that further helps to adapt the fit system more comfortably to a wearer's head shape and dimensions by allowing for additional movement between the fit system and the inner surface 40 of the energy management layer 24.
  • Each of the flexible forehead straps 14 may have a pair of rails 50 intermittently joined by transverse ribs 52.
  • the rails 50 and the ribs 52 cooperate to define a plurality of ventilation apertures 54 in the flexible forehead straps 14 in the form of generally elongated slots 56.
  • the ventilation apertures 54 can further improve the ventilating characteristics of the flexible forehead straps 14 by minimizing the total surface area of the flexible forehead straps 14 that is in intimate contact with the user's head 6.
  • the flexible forehead straps 14 may be configured with a single rail 50 that precludes the apertures 54.
  • Some embodiments of the flexible forehead straps 14 are formed of a substantially rigid but flexible material, such as rubber, plastic, carbon fiber, and the like.
  • the flexible forehead straps 14 may also include an additional material, such as a coating or additional comfort padding, to facilitate engagement with the user's head 6.
  • the flexible forehead strap 14 extends laterally from the user's forehead, around the sides of the user's head 6, passing approximately over the user's temples 64 ( FIGs. 1 and 7 ), and into the adjustable connector 18 ( FIGs. 3 and 6A ).
  • the adjustable connector 18 is configured for direct engagement with the user's head 6 and includes an actuator 58 (such as a dial, knob, or other adjustor that reels in or pays out the ends 60 of the flexible forehead strap 14) to adjust the perimeter of the flexible forehead strap 14.
  • the flexible forehead strap 14 is adjustable to account for the size of the user's head 6. It should be understood that use and incorporation of the adjustable connector 18 with the flexible forehead strap 14 is not required.
  • the flexible forehead strap 14 may be of a substantially fixed size and configuration, wherein such variations in the size or shape of a user's head may be accommodated by the flexibility of the materials of the forehead strap 14. Some embodiments may also or alternatively include fit adjusting components or structure distinct from the flexible forehead strap 14.
  • the ends 60 of the flexible forehead strap 14 terminate near the rear portion 34 of the energy management layer 24, and a separate strap, band, or similar structure may be provided that extends generally around the rear occipital region of the user's head 6.
  • the strap, band, or similar structure may be formed of a resilient material, such as elastic, and may therefore be inherently adjustable, or the strap, band or similar structure may be operably connected to an adjustable connector similar to the adjustable connector 18 discussed above.
  • the continuous gap 16 extends around the entirety of the lower edge 38 of the energy management layer 24, defined on either side by the inner surface 40 of the energy management layer 24 and the flexible forehead strap 14.
  • the continuous gap 16 is maintained at least for the front half of the helmet.
  • the continuous gap measures between 1/16 inches and 1/4 inches.
  • the prongs 42 are elongated ( FIG. 3 ) as compared to conventional prongs (see FIG. 2 ), allowing some movement of the helmet 10 in relation to the adjustable connector 18 and the user's head 6.
  • the gap 16 is a flexible gap that can extend to its maximum size, or can collapse to a smaller size if necessary, allowing the helmet 10 to "float" in relation to the flexible forehead strap 14 and allow the helmet's adjustable connector 18 to better adapt to particular head shapes and sizes.
  • the flexible forehead strap 14 intimately contacts the user's head 6, while the inner surface 40 of the helmet 10 is spaced away from the user's head 6 to form the continuous gap 16.
  • the continuous gap 16 includes a coupling point gap 62 which is located at each coupling point 48. Specifically, the continuous gap 16 is not blocked at each coupling point 48 by the coupling of the flexible forehead strap 14 to the inner surface 40, but rather remains open, as shown. This allows the airflow to enter the gap 16 at any location along the lower edge 38 of the energy management layer 24 without restraint.
  • the energy management layer 24 includes at least one coupling point 48 on each side of the front of the helmet, and in particular embodiments two coupling points 48 on each side, located proximal to a lower edge 38 of the energy management layer 24.
  • the coupling points 48 are located approximately one-quarter to one-third of the helmet periphery from the front center 26 of the energy management layer 24, with at least one coupling point 48 located on each side of the helmet 10.
  • the coupling points 48 may be located anywhere along the lower edge 38 of the energy management layer 24, and additional coupling points 48 may also be located anywhere on the inner surface 40. In some embodiments, including the embodiment illustrated in FIG.
  • the coupling points 48 are integrally formed with the energy management layer 24, and are substantially flush with the inner surface 40 of the helmet 10.
  • the elongated prongs 42 maintain the continuous gap 16 by keeping the flexible forehead strap 14 further inward than the inner surface 40.
  • Other embodiments may include coupling points 48 in the form of raised projections that extend generally inwardly, and standoffs, posts, spacers, and the like that are joined to the energy management layer 24.
  • the flexible forehead straps 14 are secured to the coupling points 48 with the prongs 42.
  • the flexible forehead strap 14 can be secured to the coupling points 42 by clips, clamps, snaps, hook and loop, and other types of fasteners.
  • the continuous gap 16 allows air to enter between the energy management layer 24 and the user's head 6. With the inner surface 40 of the energy management layer 24 spaced apart from the user's head 6, ventilating air can flow through the continuous gap 16 and between the user's head 6 and the inner surface 40.
  • This continuous gap 16 is provided in helmets having several ventilation openings 36 and also is provided in helmets having few or no ventilation openings 36, such as the sprinter and aero helmets discussed above. Heat build-up and retention inside of the helmet may thus be reduced.

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  • Helmets And Other Head Coverings (AREA)
EP19176637.7A 2018-06-18 2019-05-24 Fahrradhelmpassformsystem Pending EP3583862A1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201862686610P 2018-06-18 2018-06-18
US16/365,596 US20190380418A1 (en) 2018-06-18 2019-03-26 Bicycle helmet fit system expanded connectors

Publications (1)

Publication Number Publication Date
EP3583862A1 true EP3583862A1 (de) 2019-12-25

Family

ID=66655177

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19176637.7A Pending EP3583862A1 (de) 2018-06-18 2019-05-24 Fahrradhelmpassformsystem

Country Status (3)

Country Link
US (1) US20190380418A1 (de)
EP (1) EP3583862A1 (de)
CN (1) CN110613202B (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11510453B2 (en) * 2012-04-06 2022-11-29 Bell Sports, Inc. Protective bicycle helmet with internal ventilation fit system comprising expanded connectors
US20240032640A1 (en) * 2022-07-29 2024-02-01 Msa Technology, Llc Systems and Methods for Releasably Connecting a Helmet Liner and Headband Assembly

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20100050324A1 (en) * 2008-09-02 2010-03-04 Bell Sports, Inc. Height-Adjustable Fit System
US20130263363A1 (en) * 2012-04-06 2013-10-10 Bell Sports, Inc. Protective bicycle helmet with internal ventilation system
US20160316845A1 (en) * 2010-05-07 2016-11-03 Mips Ab Helmet with sliding facilitator arranged at energy absorbing layer

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4374489B2 (ja) * 2003-08-22 2009-12-02 名和興産株式会社 ヘルメット
KR20110010974A (ko) * 2009-07-27 2011-02-08 서수은 투명 턱끈을 갖는 안전모
ITUB20155310A1 (it) * 2015-10-27 2017-04-27 Kask Spa Fascia poggia fronte per caschi e casco provvisto di tale fascia poggia fronte.
KR101739032B1 (ko) * 2015-12-18 2017-05-23 주식회사 포스코 비상 호흡지원 안전모

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20100050324A1 (en) * 2008-09-02 2010-03-04 Bell Sports, Inc. Height-Adjustable Fit System
US20160316845A1 (en) * 2010-05-07 2016-11-03 Mips Ab Helmet with sliding facilitator arranged at energy absorbing layer
US20130263363A1 (en) * 2012-04-06 2013-10-10 Bell Sports, Inc. Protective bicycle helmet with internal ventilation system

Also Published As

Publication number Publication date
CN110613202B (zh) 2022-08-16
CN110613202A (zh) 2019-12-27
US20190380418A1 (en) 2019-12-19

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