EP3629800B1 - Helmaufnahme - Google Patents
Helmaufnahme Download PDFInfo
- Publication number
- EP3629800B1 EP3629800B1 EP17840435.6A EP17840435A EP3629800B1 EP 3629800 B1 EP3629800 B1 EP 3629800B1 EP 17840435 A EP17840435 A EP 17840435A EP 3629800 B1 EP3629800 B1 EP 3629800B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- cradle
- resilient pad
- cradle according
- headband
- arm
- 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
Links
- 239000000463 material Substances 0.000 claims description 12
- 230000008878 coupling Effects 0.000 claims description 9
- 238000010168 coupling process Methods 0.000 claims description 9
- 238000005859 coupling reaction Methods 0.000 claims description 9
- 238000009423 ventilation Methods 0.000 claims description 7
- 230000007246 mechanism Effects 0.000 claims description 5
- 230000002745 absorbent Effects 0.000 claims description 3
- 239000002250 absorbent Substances 0.000 claims description 3
- 239000004599 antimicrobial Substances 0.000 claims description 3
- 238000010276 construction Methods 0.000 claims description 3
- 229920002457 flexible plastic Polymers 0.000 claims description 3
- 238000001746 injection moulding Methods 0.000 claims description 3
- 230000015572 biosynthetic process Effects 0.000 claims description 2
- 210000003625 skull Anatomy 0.000 description 4
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 229920001903 high density polyethylene Polymers 0.000 description 2
- 239000004700 high-density polyethylene Substances 0.000 description 2
- 229920001684 low density polyethylene Polymers 0.000 description 2
- 239000004702 low-density polyethylene Substances 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 229920002725 thermoplastic elastomer Polymers 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
- RUPBZQFQVRMKDG-UHFFFAOYSA-M Didecyldimethylammonium chloride Chemical compound [Cl-].CCCCCCCCCC[N+](C)(C)CCCCCCCCCC RUPBZQFQVRMKDG-UHFFFAOYSA-M 0.000 description 1
- 229920000079 Memory foam Polymers 0.000 description 1
- 239000004677 Nylon Substances 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- 239000004433 Thermoplastic polyurethane Substances 0.000 description 1
- XEFQLINVKFYRCS-UHFFFAOYSA-N Triclosan Chemical compound OC1=CC(Cl)=CC=C1OC1=CC=C(Cl)C=C1Cl XEFQLINVKFYRCS-UHFFFAOYSA-N 0.000 description 1
- 230000003466 anti-cipated effect Effects 0.000 description 1
- 229940027983 antiseptic and disinfectant quaternary ammonium compound Drugs 0.000 description 1
- 229960004670 didecyldimethylammonium chloride Drugs 0.000 description 1
- WSFMFXQNYPNYGG-UHFFFAOYSA-M dimethyl-octadecyl-(3-trimethoxysilylpropyl)azanium;chloride Chemical compound [Cl-].CCCCCCCCCCCCCCCCCC[N+](C)(C)CCC[Si](OC)(OC)OC WSFMFXQNYPNYGG-UHFFFAOYSA-M 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 239000000017 hydrogel Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000008210 memory foam Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000002105 nanoparticle Substances 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 150000001282 organosilanes Chemical class 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920001610 polycaprolactone Polymers 0.000 description 1
- 239000004632 polycaprolactone Substances 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 229920000570 polyether Polymers 0.000 description 1
- -1 polyethylene Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 150000003856 quaternary ammonium compounds Chemical class 0.000 description 1
- 239000012858 resilient material Substances 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 210000004243 sweat Anatomy 0.000 description 1
- 230000035900 sweating Effects 0.000 description 1
- 229920002803 thermoplastic polyurethane Polymers 0.000 description 1
- 229960003500 triclosan Drugs 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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
- A42B3/10—Linings
- A42B3/14—Suspension devices
Definitions
- the invention relates to support cradles for safety helmets and hats, which serve to hold a rigid safety helmet in a spaced-apart relationship to a user's head and assist in absorbing shocks to the helmet.
- Safety helmets such as those used in the construction industry where they are often known as “hard hats” or “bump caps” and other such safety helmets used in some sports, typically comprise a relatively thin, impact-resistant shell that is held away from a user's head by a cradle, to prevent impact forces being transferred directly from the shell to the surface of a user's skull in the event of an accident.
- FIG. 1 illustrates, in plan view, a typical cradle, generally indicated by 1, used in such applications.
- the cradle 1 comprises a number of support straps 2 made of a flexible woven material, usually polymeric in nature, that are stitched together with a pattern of stitching 3 such that the straps form a number of arms emanating from a central crown area 4. At the end of each of these arms is affixed an attachment coupling 5, again joined to the arms by means of stitching 3.
- These are typically formed of slightly flexible, strong polymeric material such as nylon.
- Figure 2 illustrates, in perspective view, the underside of the shell of a safety helmet known in the art, generally indicated by 6.
- a number of attachment points 7 are disposed - in this instance, six. These are used to connect the helmet shell 6 to each of the attachment couplings 5, thereby forming the cradle.
- Figure 3 shows, in cross-sectional view along the line A-A in Figure 2 , how the cradle 1 separates the shell 6 from a user's head.
- US 3909846 A teaches a hard hat with a unitary, moulded cradle comprising arms extending from a crown portion and attachment feet connected to the shell. The arms are connected to the feet via ligatures providing elasticity at low temperatures.
- the invention provides a cradle for use with headgear, as defined in claim 1.
- the cradle includes a central crown region; a plurality of elongate support arms extending generally radially from said crown area; and an attachment coupling at the distal end of each arm, to allow connection to cooperating couplings around the periphery of the headgear.
- Said cradle is of single part flexible plastics construction. It is anticipated that at least three such support arms will be required. More may be used, and typically the inventors would envisage the provision of six support arms.
- the cradle further comprises a plurality of integrally-formed headband elements, each headband element connected to an arm of the cradle.
- each end of said headband elements is provided with connectors to allow formation of a headband.
- connectors at the occipital region of said headband form an adjustment mechanism, or alternatively a separate adjustment mechanism is provided, linking headband elements in the occipital regions of said headband.
- the resilient pad is disposed on at least a portion of the surface of the crown region, and more preferably a plurality of resilient pads is disposed on at least a portion of the surface of the crown region.
- At least one resilient pad extends down at least a portion of a support arm, and more preferably that a resilient pad extends down at least a portion of each support arm.
- the cradle further comprises a resilient pad located on a support arm. More preferably, each support arm is provided with a resilient pad.
- At least one pad is profiled in the direction perpendicular to the surface of the cradle.
- said pads are non-absorbent.
- Said pads are integral to said cradle.
- said pads are formed of a softer material than said cradle.
- Said cradle is formed by multi-material injection moulding.
- said pad(s) is, or are, impregnated or surface-coated with an antimicrobial agent.
- At least one of said arms is provided with one or more ventilation holes. More preferably, at least one of said holes is elliptical in shape, and when elliptical, it is further preferred that the major axis of said hole is neither parallel nor perpendicular to the elongate axis of said arm.
- FIG 4 illustrates, in plan view, a helmet cradle of the invention, generally indicated by 8.
- the cradle 8 itself is made from flexible plastics material such as polyethylene, e.g. HDPE (high density polyethylene) or LDPE (low density polyethylene).
- the cradle has a central crown region 9 from which elongate support arms 10 radiate. In this embodiment, six such arms 10 are shown, which would be a typical arrangement.
- an attachment coupling 5 At the end of each arm 10 is moulded an attachment coupling 5 to allow coupling to attachments points 7 on a shell of a safety helmet, such as that illustrated in Figure 2 .
- resilient pads 11 are disposed on the crown region 9 of the cradle 8.
- Such pads may be made of a resilient material such as a closed cell polymeric foam, a so-called “memory foam", or an encapsulated hydrogel or some such other material.
- Particularly preferred materials for the pads include plastics described as "soft touch” polymers.
- Such soft touch polymers include thermoplastic elastomers (TPE) and thermoplastic polyurethanes such as polycaprolactone, polyesters and polyethers. It is particularly preferred that the material of the pads is softer than that of the arms. This provides a further degree of cushioning of a user's skull, and also serves to slightly separate the surface of the cradle 8 from the user's head when no force is being applied.
- these pads could be made separately, and fixed to the cradle by means of adhesive, ultrasonic welding, or other suitable means. In accordance with the invention they are co-moulded with the cradle, as will be described below.
- optional resilient pads 12 of similar properties to those in the crown region 9 are disposed on the surface of the support arms 10 to provide further cushioning. These may be formed, and attached, in the same way as described for the pads 11 on the crown region 9.
- optional apertures forming ventilation holes 13 are provided in the crown region 9 of the cradle. These assist airflow to a user's skull and make the cradle-helmet assembly more comfortable, and reduce the likelihood of sweating on the part of the user.
- optional apertures forming ventilation holes 14 are provided on at least some of the arms 10 of the cradle. Again, these provide ventilation to a user's head.
- some of these holes 14A are elliptical (or at least elongate, with rounded edges) in shape, and more preferably aligned such the elongate axis of the hole is neither parallel nor perpendicular to the elongate axis of the arm 10 on which it is situated. The inventors have found that this adds an additional degree of impact-absorbing stretch to the arms 10, whilst maintaining their strength. When put under tension, the elliptical holes allow a degree of deformation of the arm 10, thereby making the portion of the arm 10 where they are located more elastic. This is illustrated in Figures 5A and 5B that respectively show the configuration of a portion of an arm 10 with elliptical holes 14B before and after the arm is put under tension.
- the pads 11, 12 are non-absorbent, so they do not absorb any sweat produced by a user. More preferably still, the pads 11, 12 and/or the arms are impregnated and/or coated with an antimicrobial agent such as triclosan (sold under the registered trademark Microban ® ), organosilanes, quaternary ammonium compounds (such as 3-(Trimethoxysilyl) -propyldimethyloctadecyl ammonium chloride (Si-QAC), alkyldimethylbenzylammonium chloride and didecyldimethylammonium chloride), silver (especially in the form of nanoparticles) and its salts.
- an antimicrobial agent such as triclosan (sold under the registered trademark Microban ® ), organosilanes, quaternary ammonium compounds (such as 3-(Trimethoxysilyl) -propyldimethyloctadecyl ammonium chloride (Si-
- Figures 6 and 7 illustrate, in cross-sectional view, how pads 11, 12 may be disposed on the surface of an arm 10 or crown region 9 of a cradle, wherein the arrangement of Fig. 7 is not claimed.
- the pad 11, 12 is co-moulded with the arm 10.
- a portion of the softer, resilient pad material protrudes on each face of the arm 10.
- a similar configuration could be achieved by moulding a separate arm 10 and pad 11, 12, and fixing the two together by passing a portion of the pad 11, 12 through a hole in the arm 10. It can be seen that in these arrangements, the pads are profiled in the direction perpendicular to the surface of the arm 10, i.e. the height of the pad surface above the plane of surface of the arm is not constant. In this way the pads may be shaped so as to provide a more comfortable fit to the surface of a user's head.
- Figure 7 illustrates, in cross-sectional view, an arangement not claimed, wherein a pad 11, 12 may alternatively be fixed to the surface of an arm 10 by means of a layer of adhesive 15.
- Figure 8 illustrates an alternative embodiment of a cradle of the invention, generally indicated by 8. Like elements described in other embodiments are identified with like numbers, and will not be described further.
- this embodiment is also provided with a plurality of headband elements that may be connected together (with or without additional parts) to form a headband to encircle a user's head, in use.
- two side headband elements 16 are provided and a single forehead-engaging headband element 17.
- These headband elements are integrally formed by injection moulding with the rest of the cradle, and are connected thereto with connecting limbs 20.
- each of the side headband elements 16 is provided with a first connector 19, in this case a shaped hole, configured to engage with a cooperating connector 19, in this case a cooperating raised bayonet arrangement, on an adjacent end of the forehead-engaging element 17.
- a cooperating connector 19 in this case a cooperating raised bayonet arrangement
- Each of the side headband elements 16 is also optionally provided with holes 12 to provide additional ventilation.
- each side headband element 16 is also provided with a second connector 21 configured to connect to a cooperating connector 21 extending from an edge of a forward-facing arm 10.
- This provides additional stability to the headband, once assembled, and especially to the forehead-engaging headband element 17.
- the forehead-engaging headband element 17 may be provided with suitable fixings (not illustrated) to allow a disposable sweat-absorbing pad to be affixed thereto.
- each of the side headband elements 16 there is also provided further connecting elements 23 that may be used to connect each side headband element 6 together at the occipital (rear) region of a user's head, either directly, or via an intermediate joining piece.
- a portion of the pads 11 provided in the crown region 9 of the cradle extend down at least a portion of an adjacent arm 10.
- Figure 9 illustrates a yet further embodiment of a cradle of the invention, generally indicated by 8. Again, like elements described in other embodiments are identified with like numbers, and will not be described further.
- this embodiment has extensions 24 at rear end 22 of each side headband element 16, that together form the occipital portion of the headband when connected. The ends of these extensions 24 are provided with cooperating ratchet elements 25 to allow the overall diameter of the headband, once assembled, to be adjusted.
- FIG 10 illustrates a further embodiment of a cradle of the invention, generally indicated by 8.
- the cradle 8 is the same as that described in Figure 8 , other than that a separate adjustment mechanism 25 is provided, in this illustration in the form of cooperating ratchet elements.
- Each of the elements is arranged on one end of an elongate portion 27.
- the other end of the portion 27 is provided with a connector 26, to allow connection to respective connectors 23 at the rearward end of the side headband elements 16.
- Other adjustment mechanisms will be apparent to one skilled in the art.
Landscapes
- Helmets And Other Head Coverings (AREA)
Claims (12)
- Eine Aufnahme (8) zur Verwendung mit einer Kopfbedeckung (6), wobei die Aufnahme (8) aus einer einteiligen flexiblen Kunststoffkonstruktion besteht und Folgendes umfasst:einen zentralen Kronenbereich (9);eine Vielzahl von Stützarmen (10), die generell radial von dem Kronenbereich (9) verlängert werden; undeine entsprechende Befestigungsverbindung (5) an einem distalen Ende jedes Stützarms (10), um den Anschluss an zusammenwirkende Verbindungen (7) um den Umfang der Kopfbedeckung (6) zu ermöglichen;dadurch gekennzeichnet, dass die Aufnahme (8) aus einem Multimaterial-Spritzguss besteht, bei dem mindestens ein eingebautes elastisches Polster (11, 12) definiert wird, wobei das mindestens eine elastische Polster (11, 12) an mindestens einem Abschnitt einer Fläche des Kronenbereichs (9) oder an einem entsprechenden Stützarm (10) angeordnet ist.
- Eine Aufnahme nach Anspruch 1, die ferner eine Vielzahl von einstückig hergestellten Kopfband-Elementen (16, 17) umfasst, wobei jedes Kopfband-Element (16, 17) mit einem Arm (10) der Aufnahme verbunden ist, wobei die Enden der Kopfband-Elemente (16, 17) mit Verbindern (19, 23, 25) bereitgestellt werden, um ein Kopfband bilden zu können.
- Eine Aufnahme nach Anspruch 2, wobei die jeweiligen Verbinder (23, 25) im Hinterkopfbereich an dem Kopfband einen Einstellmechanismus bilden.
- Eine Aufnahme nach einem der vorstehenden Ansprüche, wobei mindestens ein elastisches Polster (11) an mindestens einem Abschnitt der Fläche des Kronenbereichs (9) angeordnet ist.
- Eine Aufnahme nach einem der Ansprüche 1 bis 3, wobei eine Vielzahl von elastischen Polstern (11) an mindestens einem Abschnitt der Fläche des Kronenbereichs (9) angeordnet ist.
- Eine Aufnahme nach Anspruch 4 oder Anspruch 5, wobei das oder jedes jeweilige elastische Polster (11) mindestens einen Abschnitt eines entsprechenden Stützarms (10) nach unten verlängert.
- Eine Aufnahme nach einem der Ansprüche 4 bis 6, die mindestens ein zusätzliches elastisches Polster (12) aufweist, das an einem Stützarm (10) angeordnet ist.
- Eine Aufnahme nach einem der vorstehenden Ansprüche, wobei mindestens ein elastisches Polster (11, 12) in einer senkrechten Richtung zu einer Fläche der Aufnahme (8) profiliert ausgebildet ist.
- Eine Aufnahme nach einem der vorstehenden Ansprüche, wobei das oder jedes elastische Polster (11, 12) nicht absorbierend ist.
- Eine Aufnahme nach einem der vorstehenden Ansprüche, wobei das oder jedes elastische Polster (11, 12) aus einem weicheren Material als die Stützarme (10) besteht.
- Eine Aufnahme nach einem der vorstehenden Ansprüche, wobei das oder jedes elastische Polster (11, 12) mit einem antimikrobiellen Mittel imprägniert oder oberflächenbeschichtet ist.
- Eine Aufnahme nach einem der vorstehenden Ansprüche, wobei mindestens ein Stützarm (10) mit mindestens einer Lüftungsöffnung (14) bereitgestellt wird, wobei die Lüftungsöffnung (14) eine elliptische Form aufweist, deren Hauptachse weder parallel noch senkrecht zu einer Längsachse des jeweiligen Stützarms (10) angeordnet ist.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GBGB1708433.6A GB201708433D0 (en) | 2017-05-26 | 2017-05-26 | A helmet cradle |
PCT/EP2017/083788 WO2018215083A1 (en) | 2017-05-26 | 2017-12-20 | A helmet cradle |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3629800A1 EP3629800A1 (de) | 2020-04-08 |
EP3629800B1 true EP3629800B1 (de) | 2022-03-09 |
Family
ID=59271023
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP17840435.6A Not-in-force EP3629800B1 (de) | 2017-05-26 | 2017-12-20 | Helmaufnahme |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP3629800B1 (de) |
GB (1) | GB201708433D0 (de) |
WO (1) | WO2018215083A1 (de) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2604630B (en) * | 2021-03-10 | 2023-12-27 | Centurion Safety Products Ltd | Cradle type safety helmet having a liner to facilitate rotation responsive to oblique impact |
WO2024049401A1 (en) * | 2022-08-29 | 2024-03-07 | Msa Technology, Llc | Systems and methods for providing reliable helmet suspension installation |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3696441A (en) * | 1971-03-11 | 1972-10-10 | Gay Toys Inc | Racing helmet |
DK131884C (da) * | 1973-05-12 | 1976-02-16 | Schuberth Werk Kg | Bereelement til inderudstyr i en beskyttelseshjelm |
DE3516581C2 (de) * | 1985-05-08 | 1987-03-12 | Heine Optotechnik Gmbh & Co Kg, 8036 Herrsching | Kopfband mit Polster |
CA2363002C (en) * | 1999-02-25 | 2008-01-29 | Mine Safety Appliances Company | Suspension for protective headgear |
US20060010579A1 (en) * | 2004-01-27 | 2006-01-19 | Wiles William A | Helmet head cushion |
US8348448B2 (en) * | 2011-05-04 | 2013-01-08 | Sunoptic Technologies Llc | Headgear for mounting surgical headlight |
FR2996989B1 (fr) * | 2012-10-23 | 2014-11-28 | Zedel | Casque de securite a coiffe et jugulaire perfectionnees |
-
2017
- 2017-05-26 GB GBGB1708433.6A patent/GB201708433D0/en not_active Ceased
- 2017-12-20 EP EP17840435.6A patent/EP3629800B1/de not_active Not-in-force
- 2017-12-20 WO PCT/EP2017/083788 patent/WO2018215083A1/en active Application Filing
Also Published As
Publication number | Publication date |
---|---|
GB201708433D0 (en) | 2017-07-12 |
EP3629800A1 (de) | 2020-04-08 |
WO2018215083A1 (en) | 2018-11-29 |
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