EP0351407A1 - Casque de securite - Google Patents

Casque de securite

Info

Publication number
EP0351407A1
EP0351407A1 EP88902365A EP88902365A EP0351407A1 EP 0351407 A1 EP0351407 A1 EP 0351407A1 EP 88902365 A EP88902365 A EP 88902365A EP 88902365 A EP88902365 A EP 88902365A EP 0351407 A1 EP0351407 A1 EP 0351407A1
Authority
EP
European Patent Office
Prior art keywords
wearer
shell
visor
safety helmet
head
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.)
Withdrawn
Application number
EP88902365A
Other languages
German (de)
English (en)
Other versions
EP0351407A4 (en
Inventor
Ricky James Gath
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of EP0351407A1 publication Critical patent/EP0351407A1/fr
Publication of EP0351407A4 publication Critical patent/EP0351407A4/en
Withdrawn legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A42—HEADWEAR
    • A42B—HATS; HEAD COVERINGS
    • A42B3/00—Helmets; Helmet covers ; Other protective head coverings
    • A42B3/32—Collapsible helmets; Helmets made of separable parts ; Helmets with movable parts, e.g. adjustable
    • A42B3/326—Helmets with movable or separable chin or jaw guard
    • 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
    • A42B3/16—Ear protection 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
    • A42B3/18—Face protection devices
    • A42B3/22—Visors
    • A42B3/221—Attaching visors to helmet shells, e.g. on motorcycle helmets
    • A42B3/222—Attaching visors to helmet shells, e.g. on motorcycle helmets in an articulated manner, e.g. hinge 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
    • A42B3/18—Face protection devices
    • A42B3/22—Visors
    • A42B3/26—Visors with cleaning means, e.g. wipers ; Movable or interchangeable vision films or sheets
    • 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
    • A42B3/30—Mounting radio sets or communication systems

Definitions

  • THIS INVENTION relates to a safety helmet and particularly, although not exclusively, to a safety helmet which has particular utility in water sports.
  • a surfer pushing through a wave 01 falling into the water could have his or her head gear removed by the force of the water against the peak visor or at least be subjected to an uncomfortable pulling force .agains the neck of the wearer if such head gear included a chin strap.
  • the release of water from the ear is not performed efficiently since the drainage hole must be disposed lower than the level of trapped water within the ear canal before drainage of this trapped water would occur. Thus, it would be necessary to tilt the head of the wearer from one side to the other regularly to alter the disposition of the drain relative to the ear canal to achieve adequate drainage .
  • a safety helmet comprising a substantially rigid shell for fitting upon a wearer's head and having an open front to expose the face of the wearer;
  • a substantially lune-shaped visor pivotally mounted to said shell and moveable between a closed position and an open position, wherein in said closed position said visor substantially closes said open front and is generally contiguous with said shell to substantially cover the face of said wearer, and in said open position said visor is disposed within said shell and conforms to the contour of said shell to expose the face of said wearer without interfering with the fitting of said shell upon said wearer's head;
  • wiper means disposed at the interface between said shell and said visor such that during movement of said visor between said open position and said closed position said wiper means wipes across the face of said visor.
  • the helmet includes an inner frame mounted within said shell to define a lime shaped cavity across said helmet to accommodate said visor when in the open position and permit movement of said visor along said cavity to the closed position.
  • the helmet includes head retention means comprising a resilient hood adjustably mounted within said shell to retain said wearer's head.
  • the hood comprises discrete segments including a top cover for covering the parietal portion of the wearer's cranium, a back support for covering the occiputal portion of the wearer's cranium, pair of side covers for covering the ears and the temporal portion of the wearer's cranium, a front band for covering the frontal portion of the wearer's cranium, and a bottom strap for engaging the mandible of the wearer, whereby said segments are detachably and adjustably connected relative to each other so as to retain the wearer's head.
  • Figure 2 is a similar view to Figure 1 with, the visor in the closed position;
  • Figure 3 is a front view of Figure 2;
  • Figure 4 is a perspective view of the helmet showing in exploded arrangement the provision of communication means and a chin guard;
  • Figures 5, 6 and 7 show respectively the perspective views of the shell, inner frame and head retention means in an exploded arrangement relative to each other;
  • Figure 8 is a side elevation of the shell of the helmet with the visor in the closed position
  • Figure 9 is a front sectional view taken along section A-A of Figure 8 showing the position of the inner frame within the shell;
  • Figure 10 is a front view of Figure 8.
  • Figure 11 is a sectional side elevation taken along sec ⁇ tion B-B of Figure 10 showing the position of the inner frame within the shell;
  • Figure 12 is a front view of the helmet comprising the shell, inner frame and head retention means, with the visor in the open position;
  • Figure 13 is a sectional side elevation taken along sec ⁇ tion C-C of Figure 12;
  • Figure 14 is a fragmentary sectional side elevation taken along section C-C of Figure 12 with the top cover, back support and bottom strap of the head retention means removed;
  • Figure 15 is a fragmentary sectional view taken along sec ⁇ tion D-D of Figure 13.
  • the embodiment is directed towards a helmet which is particularly suited to use in water sports and as shown in the drawings, generally comprises an outer shell 1, a vi ⁇ sor 2, an inner frame 3 and a head retention means 31.
  • the shell 1 is preferably moulded from poly-carbonate plastic to provide sufficient rigidity to protect the head of a wearer from an impact with an object.
  • the shell is provided with an open front to expose the face of a wearer and a rear arch over the neck area of the wearer to allow for rearward movement of the head of the wearer relative to the shoulders.
  • the shell is otherwise shaped to cover the cranium and ears of the wearer.
  • the outer surface of the shell 1 is contoured to the shape of the head of the wearer to provide aerodynamic efficiency and has a lune shaped ridge 'formation 33 extending from one side of the helmet to the other.
  • a series of apertures 26 are disposed at regularly spaced intervals along the front face of the ridge to provide an entry for fluid flow along the surface of the helmet into the confines of the shell for ventilation purposes.
  • a plurality of upper apertures 24 are provided along the upper surface of the shell away from the ridge 33 to direct fluid flow into the shell for ventilation.
  • a plurality of lateral apertures 27 are provided at each side of the shell for the same effect and also to facilitate hearing of the wearer.
  • the shell is also provided with a plurality of latitudinally extending reinforcing ribs 25 along the upper surface adjacent to the upper apertures 24 for strengthening purposes.
  • the visor 2 is preferably formed of tinted poly-carbonate plastic for resisting ultraviolet radiation and is generally lune shaped.
  • the visor is pivotally mounted to the shell by means of a pin 28 extending through an aperture 20 and is movable between an open position shown at Figure 1 of the drawings and a closed position as shown at Figure 2.
  • the visor is shaped to be generally contiguous with the shape of the shell so as to substantially cover the face of the wearer.
  • the surface of the visor is curved to conform with the curvature of the shell so that the visor may be retracted or moved into the closed position within the confines of the shell without interfering with the fitting of the shell upon the wearer's head.
  • the inner frame 3 is preferably formed of highly compressed polystyrene material, but may also be formed of a polycarbonate plastic.
  • the inner frame 3 is itself lune shaped to correspond with the inner contour of the shell.
  • the frame is of an open lattice type structure having a front longitudinal portion 35, a rear longitudinal portion 37 and a plurality of latitudinally extending ribs 39 which inter-connect the front and rear longitudinal portions.
  • the ribs 39 extend sufficiently to provide support for the parietal portion of the wearer's cranium and prescribe an outer surface for the frame which is marginally spaced from the inner surface of the shell 1 to define a lune shaped cavity 41 across the helmet.
  • the cavity 41 accommodates the visor 2 when disposed in the open position and allows movement of the visor, latitudinally along the cavity to the closed position.
  • the frame 3 is pinned to the outer shell 1 by means of the pins 28 accommodated within apertures 20 of the frame and shell disposed at opposite ends of the frame, fixed pins 12 accommodated within apertures 13 and 14 of the frame and shell respectively, disposed generally rearwardly of the pins 28, and a rear pin 23 disposed centrally at the top of the frame and shell, rearwardly of the cavity 41.
  • the frame is provided with a pair of guides at oppositely spaced apart locations along the front longitudinal portion 35.
  • the guides project inwardly from the inner surface of the frame to each define an eye for locating the head retention means 31 within the helmet in a manner to be described later.
  • a wiper means is disposed at the interface between the shell 1 and the visor 2 and comprises two halves 4 and 5.
  • One half 5 is fixedly mounted to the shell proximate the periphery of the open front and has inwardly projecting blades to engage the external face of the visor.
  • the other half 4 is fixedly mounted to the outer surface of the inner frame directly opposite to the one half 5 so as to define a space therebetween.
  • the other half 4 is also provided with a plurality of blades which engage the internal face of the visor.
  • the head retention means 31 essentially comprises a flexible hood which is adjustably mounted within the shell and inner frame of the helmet to retain the wearer's he? ' d therein.
  • the hood comprises discrete segments which include a top cover 15, a back support 16, a pair of side covers 8, a front band 17 and a bottom strap 18.
  • the top cover 15, rear support 16 and front band 17 are preferably formed of resilient neoprene material to provide comfort, insulation and support for the head of the user.
  • the side covers 8 are principally made of substantially non- extendible, flexible plastic which are integrally attached to the top cover 15 to provide both resilient and semi rigid covering at the sides of the wearer.
  • the bottom strap 18 is formed of any suitable flexible but substantially non-extendible material which has adequate strength to retain the head of the wearer within the retention means.
  • the top cover 15 has a sufficient arcuate extent to cover the parietal " portion of the wearer ! s cranium and extend down either side of the helmet to cover the temporal portion of the wearer's cranium in combination with the side covers 8.
  • the top cover 15 is provided with a plurality of holes 43 arranged in a matrix across the top longitudinal extent of the cover for ventilation purposes.
  • the top cover 15 is also provided with detachable and adjustable fastening means for fastening the cover to the shell or inner frame.
  • this fastening means takes the form of a velcro strip, one part 10 of which is disposed upon the leading peripheral edge of the cover and the other part 11 of which is disposed opposite thereto along the leading peripheral edge of the inner frame.
  • the top cover 15 is also provided with holes 49 on either side to encircle the ears of the wearer, and rearwardly and forwardly extending lateral flaps 44a and 44b respectively, disposed beneath the holes 49 and which are adhered or welded to the inner surface of the side covers 8.
  • the top cover is further fastened to the inner frame by the pins 12 at either side which are respectively affixed to the rearwardly extending lateral flaps 44b.
  • the back support 16 is provided to cover the occiputal portion of the wearer's cranium and is also provided with detachable and adjustable fastening means for fastening the same to the shell.
  • the back support is disposed adjacent to the rear of the top cover 15 and is shaped so as to combine with the top cover to form openings therebetween for ventilation purposes of the occiputal portion of the head.
  • the fastening means are also in the form of velcro strips one part 45 of which is disposed in a triangular arrangement on the back support and the other part 47 of which is mounted in opposite locations on the inner surface of the shell 1.
  • the side covers 8 are disposed to cover the ears and the temporal portion of the wearer's cranium to not only protect these parts of the head of the wearer from physical impact but also to prevent access of the wind to the ears of the wearer. Furthermore, means are provided for preventing the retention of water in the proximity of the ears.
  • the side covers are each formed essentially of two parts, one part comprising a flexible and substantially non-extendible frame 46, and the other part comprising a resilient skin 51 of neoprene material.
  • the frame 46 is formed with a central hole 50 through which the ear of the wearer may project, and has a front upward projection 53 to cover the temple region of the wearer, a front downward projection 54 and a rear downward projection 55.
  • Each frame 46 is adhered or welded to the outer surface of the respective sides of the top cover 43 so that the holes 50 of the frames align with the holes 49 of the top cover, and the remainder of the frames are co ⁇ extensive with the sides of the top cover.
  • the skin 51 is adhered or welded around the periphery of each hole 50 of the frames to form a pouch 19 in each side cover which accommodates the ears of the wearer.
  • a drain 7 is disposed in the region of each pouch 19 which communicates with the base of the outer ear canal of the wearer.
  • the drain 7 is formed by adhering or welding the skin 51 of material about the entire periphery of the hole 50 except for a small opening provided at the base thereof towards the anterior of the pouch.
  • the opening is accentuated by the provision of a small recess 56 formed in the frame 46, which communicates with the hole 50 and by the formation of a pucker in the skin over this recess.
  • the hole 49 is sufficiently large to accommodate the ear flap of the wearer and the drain 7 is disposed so as to communicate with the outer ear canal of the ear when the ear is disposed within the pouch 19.
  • the side covers are attached to the frame and shell by means of the pin 12 and also by the front band 17 co ⁇ operating with the front upward projection 53 of the side covers.
  • the front upward projection 53 of the side covers is provided with a longitudinally extending slit 56 through which a corresponding guide 6 of the inner frame may protrude. -The manner by which the head band co ⁇ operates with the side cover to fix the same shall be described hereinafter.
  • the front downward projections 54 are each terminated with a slot 67 or fastener 69 to provide a fixing point for the ends of the bottom strap 18.
  • the rear downward projections 55 are each terminated with a slot 68 to provide a fixing point for the ends of a rear strap 29.
  • the rear strap 29 may be provided with suitable means for adjustment and is included to allow support of the neck of the wearer and assist in retentioning of the head within the helmet .
  • the front band 17 is adapted to cover the frontal portion of the wearer's cranium across the forehead and is provided with a pair of opposing straps at opposite ends of the band.
  • the band is provided with detachable and adjustable fastening means at each end of the straps and centrally to fasten the same to the top cover 15.
  • the straps 57 are each of sufficient size to be threaded through the eye formed by the guide 6 of the inner frame when the guide is protruding through the slot 55 of the corresponding side cover and thus function to pin the upwardly extending portions 53 of the side covers to the inner frame 3.
  • the guides 6 ultimately repose in juxtaposition between the side covers 8 and the top cover 15, and are additionally padded from the head of the wearer by the provision of a hem 58 along the leading front edge of the top cover.
  • the fastening means at the end of the straps 57 are also in the form of velcro strips, one part of which is mounted to the outer face of each strap and the other part 59 is mounted to the inner surface of the top cover behind the guide 6 of the inner frame in the manner shown at Figures 13 and 14 of the drawings.
  • the centrally disposed fastening means is also in the form of a velcro strip, one part 61 of which is provided on a strip 9 which extends from the low periphery of the band to beyond the upper periphery of the band and the other part of which is provided by the co-operating parts 10 and 11 of the fastening means of the top cover.
  • the strip 9 is interposed between the fastening means of the top cover to enable attachment of the front band to both the inner frame and the top cover simultaneously, and allow for height adjustment of the band along the forehead of the wearer.
  • the band is also provided with a series of holes 63 disposed intermediate the opposing straps 57 for ventilation purposes across the forehead.
  • the bottom strap 18 is provided with fastening means at either end to attach to the front downward projection 54 of each side cover 8 so as to engage the mandible of the wearer.
  • one side cover 8 is provided with a slot 67 on its front downward projection 54 to receive one end of the strap 18.
  • the other side cover has its front downward projection 54 fitted with one part 71 of a quick release latch, the other part 73 of which is provided at the terminal end of the bottom strap 18.
  • a buckle 69 is provided on the one end of the strap to fix the strap to the slot 67.
  • the other part 73 of the quick release latch has suitable adjustment means incorporated therein to adjust the length of the strap so as to retention the underside of the wearer's mandible when fastened.
  • the bottom strap is provided with a broadened portion 75 intermediate its opposing ends which has a central longitudinally extending slot 77 formed therein.
  • the slot 77 is disposed so as to situate along the junction between the neck and the mandible of the wearer so as to facilitate support of the helmet upon the wearer without detracting from the comfort of the wearer.
  • the helmet can be provided with bi-directional or uni-directional communication means for communicating to a remote location or vice versa.
  • the communication means 79 is shown at Figure 4 and incorporates a microphone mounted at one end of an arm 81, a transmitter (not shown) for transmitting voice messages from the wearer of the helmet to a remote location, an earphone (not shown) and a receiver for receiving messages from a remote location.
  • An aerial (not shown) may be incorporated into the design of the shell 1 to facilitate communications .
  • the helmet may also be provided with a chin guard 23 as shown at Figure 4 of the drawings to provide protection to the chin of a wearer, if required.
  • the helmet initially has the various segments of the head retention means adjusted relative to the shell 1 and the inner frame 3 so as to intimately engage the head of the wearer whilst maintaining comfort.
  • the helmet may be positioned over the head of the wearer for use and the bottom strap 18 fastened by means of the quick release latch.
  • the visor may then be simply moved to the closed position as shown at Figures 2 and 3 of the drawings to present clean inner and outer surfaces by the action of the wiper means.
  • the visor can be . , adjusted to any intermediate position between the open fully open and fully closed positions by virtue of the frictional engagement of the halves of the wiper means upon the visor 2.
  • the surface of the visor may simply be cleaned by moving the visor to the open position as shown at Figure 1 of the drawings so as to allow the wiper means to wipe the water vapour or drops from both the inner or outer surfaces of the visor .
  • ventilation of the ' head is maintained by allowing air to circulate through the various holes and apertures provided in the shell, inner frame and head retention means, without accessing the region of the ears.
  • the helmet In activities or sports where foreign matter such as sand is deposited within the helmet, the helmet can be easily cleaned by detaching the various fastening means of the head retention means so as to expose the inner confines of the shell and frame.

Landscapes

  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Helmets And Other Head Coverings (AREA)
  • Finger-Pressure Massage (AREA)

Abstract

Un casque de sécurité pour la pratique des sports aquatiques comprend une coquille (1), une structure intérieure (3), une visière escamotable (2) et une partie hémisphèrique tenant la tête. Un organe essuyeur comprenant deux balais (4, 5) est disposé sur la partie frontale de la coquille, entre la coquille (1) et la structure intérieure (3). Les balais (4, 5) sont disposés à l'opposé, à distance et parallèlement l'un par rapport à l'autre pour être en contact respectivement avec les faces intérieure et extérieure de la visière (2), de sorte que, lors du déplacement de la visières (2) entre une position ouverte et une position fermée ou vice versa, les balais (4, 5) essuient la face de la visière pour la nettoyer. La partie hémisphèrique tenant la tête est segmentée et est constituée par un matériau à la fois résilient et essentiellement non extensible, de façon à se placer en contact étroit avec la tête de l'utilisateur, afin d'empêcher la pénétration de l'air et de l'eau dans la région des oreilles, tout en assurant le confort et l'aération de la tête sans limiter la liberté de mouvement.
EP19880902365 1987-03-05 1988-03-08 Safety helmet Withdrawn EP0351407A4 (en)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
AUPI067687 1987-03-05
AU676/87 1987-03-05
AUPI236487 1987-06-09
AU2364/87 1987-06-09
AUPI594687 1987-12-16
AU5946/87 1987-12-16

Publications (2)

Publication Number Publication Date
EP0351407A1 true EP0351407A1 (fr) 1990-01-24
EP0351407A4 EP0351407A4 (en) 1990-12-27

Family

ID=27157344

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19880902365 Withdrawn EP0351407A4 (en) 1987-03-05 1988-03-08 Safety helmet

Country Status (4)

Country Link
EP (1) EP0351407A4 (fr)
JP (1) JP2567077B2 (fr)
AU (1) AU615437B2 (fr)
WO (1) WO1988006415A1 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2219728B (en) * 1988-06-20 1992-07-29 Britax Child Care Prod Safety helmet
CA2000584A1 (fr) * 1988-10-24 1990-04-24 Christopher E. Coombs Casque protecteur a harnais ajustable par la mentonniere
JP6023997B2 (ja) * 2011-12-19 2016-11-09 株式会社リハビテック 頚椎装具
US10602795B2 (en) * 2017-01-26 2020-03-31 Bell Sports, Inc. Helmet comprising a segmented shell

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2601149A (en) * 1952-06-17 Sheetsxsheet i
FR1092268A (fr) * 1952-03-24 1955-04-20 Coiffure, en particulier bonnet ou casque pour motocyclistes
US3274612A (en) * 1965-05-18 1966-09-27 Robert C Merriam Helmet for water sports
GB1132686A (en) * 1966-12-09 1968-11-06 Fibre Metal Products Company Protective head covering
GB1295181A (fr) * 1969-07-24 1972-11-01
US3789427A (en) * 1972-03-20 1974-02-05 J Aileo Headgear structure
FR2532528A1 (fr) * 1982-09-03 1984-03-09 Galet Adrien Casque de protection

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1005188A (en) * 1961-03-14 1965-09-22 Ml Aviation Co Ltd Improvements relating to flying helmets
US3400407A (en) * 1966-06-27 1968-09-10 Leonard P Frieder Helmet with retractable visor
US3721994A (en) * 1971-03-29 1973-03-27 Us Navy Dual visor headgear
CA1101755A (fr) * 1978-02-10 1981-05-26 Canadian Patents And Development Limited Casque protecteur pour mineurs

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2601149A (en) * 1952-06-17 Sheetsxsheet i
FR1092268A (fr) * 1952-03-24 1955-04-20 Coiffure, en particulier bonnet ou casque pour motocyclistes
US3274612A (en) * 1965-05-18 1966-09-27 Robert C Merriam Helmet for water sports
GB1132686A (en) * 1966-12-09 1968-11-06 Fibre Metal Products Company Protective head covering
GB1295181A (fr) * 1969-07-24 1972-11-01
US3789427A (en) * 1972-03-20 1974-02-05 J Aileo Headgear structure
FR2532528A1 (fr) * 1982-09-03 1984-03-09 Galet Adrien Casque de protection

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
NAVY TECHNICAL DISCLOSURE BULLETIN. vol. 4, no. 5, May 1979, ARLINGTON US pages 27 - 31; D. G. ROBERTSON: "SWIMMER COMMUNICATIONS PROTECTIVE HELMET" *
See also references of WO8806415A1 *

Also Published As

Publication number Publication date
AU1481488A (en) 1988-09-26
JPH03503188A (ja) 1991-07-18
AU615437B2 (en) 1991-10-03
EP0351407A4 (en) 1990-12-27
JP2567077B2 (ja) 1996-12-25
WO1988006415A1 (fr) 1988-09-07

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