EP0643563B1 - An article of headwear - Google Patents

An article of headwear Download PDF

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Publication number
EP0643563B1
EP0643563B1 EP94909191A EP94909191A EP0643563B1 EP 0643563 B1 EP0643563 B1 EP 0643563B1 EP 94909191 A EP94909191 A EP 94909191A EP 94909191 A EP94909191 A EP 94909191A EP 0643563 B1 EP0643563 B1 EP 0643563B1
Authority
EP
European Patent Office
Prior art keywords
article
wearer
block
headwear
path means
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.)
Expired - Lifetime
Application number
EP94909191A
Other languages
German (de)
French (fr)
Other versions
EP0643563A1 (en
Inventor
Mark Steele
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.)
Hoodco 446 Ltd
Original Assignee
Hoodco 446 Ltd
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 Hoodco 446 Ltd filed Critical Hoodco 446 Ltd
Publication of EP0643563A1 publication Critical patent/EP0643563A1/en
Application granted granted Critical
Publication of EP0643563B1 publication Critical patent/EP0643563B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • A42B3/0406—Accessories for helmets
    • A42B3/042—Optical devices
    • A42B3/0426—Rear view devices or the like

Definitions

  • the invention relates to an article of headwear.
  • Articles of headwear are known in the form of motorcycle helmets allowing the wearer to see backwards.
  • these helmets incorporate individual convex lenses and flat mirrors to direct light through air.
  • the lenses and mirrors being arranged often approximately radically to a wearer's head may cause damage on impact to the helmet by presenting a low surface area of applied load to the head.
  • FR 2631789 discloses a helmet with an open, hollow channel through the helmet over the wearer's head.
  • the helmet has two mirrors on the upper side of the channel and one mirror on the lower side of the channel. The mirrors direct light from behind a wearer to the wearer's eyes.
  • EP 0007432 discloses a helmet including a series of convex lenses and an optical fibre in the helmet to enable a wearer to see behind themselves. Three of the lenses are arranged radially to the wearer's head. The slim optical fibre is on slim radial mountings. The channel through the helmet is hollow and open to air.
  • a further helmet is known from US-A-3 059 519, in which a display is provided, along with non-straight path means allowing a user to see the display.
  • an article of headwear not obscuring the majority of the normal field of vision for the wearer, characterised in that the article includes path means through the article, the path means defining a non-straight light path to the wearer's eyes, the path means through the article being at least 75% continuous and comprising at least one transparent block.
  • the path means is at least 90% continuous, most preferably entirely continuous.
  • the path means comprises a single transparent block.
  • the article of headwear does not include potentially dangerous radially arranged optical elements.
  • the inner surface of the body may be shaped to follow the approximate contour of at least part of a wearer's head. In this way any applied impact will be spread by the body over a larger surface area of the wearer's head.
  • the continuous body is the entire path means.
  • the or each block or the body may be made from any suitable material.
  • the material has substantial toughness and the material may be polycarbonate.
  • the article of headwear may be a protective helmet such as a motor cycle helmet.
  • the path means may be provided inside or outside a shell of the helmet but preferably lies inside the shell.
  • the article of headwear may enable viewing at any desired angle via the non-straight path defined by the path means.
  • the path means may enable seeing vertically or to either side and indeed the article of headwear may include a plurality of path means if desired.
  • the article of headwear may enable seeing behind the wearer. This may be particularly useful for drivers especially motor cyclists. At present, motor cyclists commonly either look over their shoulder or in handlebar mounted mirrors. Looking over your shoulder means that you are not looking ahead for a significant period of time, while a handlebar mounted mirror often gives a very poor image because of vibration.
  • a display for a pilot for example, in the form of a head up display (HUD) which is deflected to appear in the line of sight.
  • HUD head up display
  • Such a display is normally very close to the pilots eyes so that he must constantly change his focus from long distance to look out for other aeroplanes etc. to short distance to see the display. The constant extreme changes of focus can cause eye strain.
  • an article of headwear characterised in that the article includes a display and path means through the article defining a non-straight path to the wearer's eye, the path means enabling seeing the display which is spaced from the wearer's eyes, the path means being at least 75% continuous and comprising at least one transparent block.
  • the display is not immediately in front of the wearer's eyes the focal length is increased and eye strain consequently reduced.
  • the display may be provided outside the normal field of view of the wearer. In one preferred embodiment the display is provided towards the back of the wearer's head and in a further embodiment the display may be provided rearwards of the back of the wearer's head. In this way the focal distance is further increased to a more comfortable and normal length.
  • the article may be arranged in that the display is all or nearly all that the wearer can see, preferably though, the article does not obscure the majority of the normal field of vision for the wearer.
  • the path means is preferably at least 90% continuous and may be entirely continuous.
  • the path means may comprise at least one transparent block, which may be made from polycarbonate.
  • the inner surface of the path means may be sloped to follow the approximate contour of at least part of a wearer's head.
  • the path means may be inside a protective shell of the article.
  • Fig. 1 shows a helmet 10 for example, for a motor cyclist.
  • the helmet 10 is of the full face type including a visor 12.
  • the helmet includes inner padding 14 around the wearer's head and an outer hard protective shell 16.
  • At the top of the helmet a continuous solid block 18 of transparent optical material such as polycarbonate is provided between the inner padding 14 and the outer shell 16.
  • the outer shell 16 is stepped at the top rear of the helmet 10 to leave a slot 20 at the near face of the block 18.
  • the block 18 has a smooth lower surface 22 which substantially follows the contour of the top of the wearer's head H.
  • the lower surface 22 of the block 18 extends downwardly at the front into the upper field of view of the wearer.
  • the upper surface 24 of the block 18 consists of four planar surfaces 24a, b, c, d at shallow angles to one another.
  • the forwardmost surface 24d tapers the block 18 to meet the lower surface 22.
  • the rearmost surface 26 of the block 18 is convex.
  • the wearer's normal field of forward view is substantially unobscured.
  • the wearer looks up however, they will see an image of the view backwards through the slot 20.
  • the light passing through the slot 20 is internally reflected from one or more of the upper surfaces 24a, b, c of the block 18 and is finally internally reflected by the forward upper surface 24d through the forward lower surface 22 to the eyes of the wearer.
  • the image received by the wearer is clear because the reflecting surfaces are fixed in relation to the wearer's head/eyes.
  • the helmet will act in the usual way because there is still internal padding and an outer shell in direct connection through the large area of the shallow block 18 which covers most of the top of the wearer's head H and has a smooth contoured underside.
  • Fig. 2 shows a helmet which is similar to that of Fig. 1 and only the differences will be described.
  • the same reference numerals will be used for equivalent features.
  • the helmet 10 of Fig. 2 is a half-face helmet and includes the same block 18 as the helmet of Fig. 1. However, the slot 20 is blocked by a display 28.
  • the helmet may be used by pilots for example where the display may give flight information. Because the display is at a significant distance from the pilots eyes, eye strain is reduced.
  • the display may be, for example, an LCD display, back-lit, or any other suitable display.
  • the helmet 10 could be made without the shell 16 or substantial padding 14 as essentially a mounting for the optical block 18 to keep it in place on the wearer's head.

Landscapes

  • Helmets And Other Head Coverings (AREA)
  • Control And Other Processes For Unpacking Of Materials (AREA)
  • Battery Mounting, Suspending (AREA)
  • Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
  • Magnetic Heads (AREA)
  • Pressure Welding/Diffusion-Bonding (AREA)
  • Finger-Pressure Massage (AREA)

Abstract

An article of headwear (10) includes a solid transparent fully carbonate block (18). The block lies on top of the wearer's head and defines a non-straight light path to the wearer's eyes. The block does not obscure the majority of the normal field of vision for the wearer but can be seen when the wearer looks upwards. The upper surfaces (24) of the block allow internal reflection of light through the block and the rear end of the block is open and faces backwards so that by looking upwardly into the block a wearer can obtain a view of what is behind him. The article of headwear may be a motorcycle helmet for example. In another embodiment of the invention a display screen is located at the rear of the block so that it can be seen through the block when the wearer looks upwardly into the block.

Description

The invention relates to an article of headwear.
Articles of headwear are known in the form of motorcycle helmets allowing the wearer to see backwards. However, these helmets incorporate individual convex lenses and flat mirrors to direct light through air. The lenses and mirrors being arranged often approximately radically to a wearer's head may cause damage on impact to the helmet by presenting a low surface area of applied load to the head.
FR 2631789 discloses a helmet with an open, hollow channel through the helmet over the wearer's head. The helmet has two mirrors on the upper side of the channel and one mirror on the lower side of the channel. The mirrors direct light from behind a wearer to the wearer's eyes.
EP 0007432 discloses a helmet including a series of convex lenses and an optical fibre in the helmet to enable a wearer to see behind themselves. Three of the lenses are arranged radially to the wearer's head. The slim optical fibre is on slim radial mountings. The channel through the helmet is hollow and open to air.
A further helmet is known from US-A-3 059 519, in which a display is provided, along with non-straight path means allowing a user to see the display.
According to one aspect of the invention there is provided an article of headwear, the article not obscuring the majority of the normal field of vision for the wearer, characterised in that the article includes path means through the article, the path means defining a non-straight light path to the wearer's eyes, the path means through the article being at least 75% continuous and comprising at least one transparent block.
Preferably the path means is at least 90% continuous, most preferably entirely continuous.
Preferably the path means comprises a single transparent block.
In this way, the article of headwear does not include potentially dangerous radially arranged optical elements.
The inner surface of the body may be shaped to follow the approximate contour of at least part of a wearer's head. In this way any applied impact will be spread by the body over a larger surface area of the wearer's head.
Preferably the continuous body is the entire path means. The or each block or the body may be made from any suitable material. Preferably the material has substantial toughness and the material may be polycarbonate.
The article of headwear may be a protective helmet such as a motor cycle helmet. In that case the path means may be provided inside or outside a shell of the helmet but preferably lies inside the shell. The article of headwear may enable viewing at any desired angle via the non-straight path defined by the path means. Where the article of headwear is for an aviator or pilot for example the path means may enable seeing vertically or to either side and indeed the article of headwear may include a plurality of path means if desired. The article of headwear may enable seeing behind the wearer. This may be particularly useful for drivers especially motor cyclists. At present, motor cyclists commonly either look over their shoulder or in handlebar mounted mirrors. Looking over your shoulder means that you are not looking ahead for a significant period of time, while a handlebar mounted mirror often gives a very poor image because of vibration.
It is known to provide a display for a pilot, for example, in the form of a head up display (HUD) which is deflected to appear in the line of sight. Such a display is normally very close to the pilots eyes so that he must constantly change his focus from long distance to look out for other aeroplanes etc. to short distance to see the display. The constant extreme changes of focus can cause eye strain.
According to another aspect of the invention there is provided an article of headwear characterised in that the article includes a display and path means through the article defining a non-straight path to the wearer's eye, the path means enabling seeing the display which is spaced from the wearer's eyes, the path means being at least 75% continuous and comprising at least one transparent block.
Because the display is not immediately in front of the wearer's eyes the focal length is increased and eye strain consequently reduced. The display may be provided outside the normal field of view of the wearer. In one preferred embodiment the display is provided towards the back of the wearer's head and in a further embodiment the display may be provided rearwards of the back of the wearer's head. In this way the focal distance is further increased to a more comfortable and normal length.
The article may be arranged in that the display is all or nearly all that the wearer can see, preferably though, the article does not obscure the majority of the normal field of vision for the wearer.
The path means is preferably at least 90% continuous and may be entirely continuous. The path means may comprise at least one transparent block, which may be made from polycarbonate. The inner surface of the path means may be sloped to follow the approximate contour of at least part of a wearer's head. The path means may be inside a protective shell of the article.
Two embodiments of the invention will now be described by way of example and with reference to the accompanying drawings, in which:
  • Fig. 1 is a side elevation in cross section of a helmet in a first embodiment of the invention; and,
  • Fig. 2 is a side elevation in cross section of a helmet in a second embodiment of the invention.
    • Fig. 1 shows a helmet 10 for example, for a motor cyclist. The helmet 10 is of the full face type including a visor 12. The helmet includes inner padding 14 around the wearer's head and an outer hard protective shell 16. At the top of the helmet a continuous solid block 18 of transparent optical material such as polycarbonate is provided between the inner padding 14 and the outer shell 16. The outer shell 16 is stepped at the top rear of the helmet 10 to leave a slot 20 at the near face of the block 18.
    The block 18 has a smooth lower surface 22 which substantially follows the contour of the top of the wearer's head H. The lower surface 22 of the block 18 extends downwardly at the front into the upper field of view of the wearer. The upper surface 24 of the block 18 consists of four planar surfaces 24a, b, c, d at shallow angles to one another. The forwardmost surface 24d tapers the block 18 to meet the lower surface 22. The rearmost surface 26 of the block 18 is convex.
    In use the wearer's normal field of forward view is substantially unobscured. When the wearer looks up, however, they will see an image of the view backwards through the slot 20. The light passing through the slot 20 is internally reflected from one or more of the upper surfaces 24a, b, c of the block 18 and is finally internally reflected by the forward upper surface 24d through the forward lower surface 22 to the eyes of the wearer.
    The image received by the wearer is clear because the reflecting surfaces are fixed in relation to the wearer's head/eyes. In the case of an impact, the helmet will act in the usual way because there is still internal padding and an outer shell in direct connection through the large area of the shallow block 18 which covers most of the top of the wearer's head H and has a smooth contoured underside.
    Fig. 2 shows a helmet which is similar to that of Fig. 1 and only the differences will be described. The same reference numerals will be used for equivalent features.
    The helmet 10 of Fig. 2 is a half-face helmet and includes the same block 18 as the helmet of Fig. 1. However, the slot 20 is blocked by a display 28. The helmet may be used by pilots for example where the display may give flight information. Because the display is at a significant distance from the pilots eyes, eye strain is reduced. The display may be, for example, an LCD display, back-lit, or any other suitable display.
    The helmet 10 could be made without the shell 16 or substantial padding 14 as essentially a mounting for the optical block 18 to keep it in place on the wearer's head.

    Claims (10)

    1. An article of headwear, the article (10) not obscuring the majority of the normal field of vision for the wearer, the article (10) including path means (18) through the article, the path means defining a non-straight light path to the wearer's eyes, characterised in that the path means (18) through the article is at least 75% continuous and comprises at least one transparent block (18).
    2. An article of headwear including a display (28) and path means through the article (10) defining a non-straight path to the wearer's eye, characterised in that the path means enables seeing the display (28) which is spaced from the wearer's eyes, the path means being at least 75% continuous and comprising at least one transparent block (18).
    3. An article of headwear as claimed in claim 2, wherein the display (28) is provided outside the normal field of view of the wearer.
    4. An article of headwear as claimed in claim 3, wherein the display (28) is provided towards the back of the wearer's head.
    5. An article of headwear as claimed in claim 2, 3 or 4, wherein the article (10) does not obscure the majority of the normal field of vision for the wearer.
    6. An article of headwear as claimed in any preceding claim, wherein the or each block (18) is made from polycarbonate.
    7. An article of headwear as claimed in any preceding claim, wherein the inner surface of the or each block (18) is shaped to follow the approximate contour of part of a wearer's head.
    8. An article of headwear as claimed in any preceding claim, wherein the path means comprises a body comprising a single transparent block (18).
    9. An article of headwear as claimed in claim 8, wherein the body is the entire path means.
    10. An article of headwear as claimed in any preceding claim, wherein the path means is provided inside a protective shell of the article.
    EP94909191A 1993-04-01 1994-03-11 An article of headwear Expired - Lifetime EP0643563B1 (en)

    Applications Claiming Priority (3)

    Application Number Priority Date Filing Date Title
    GB9306798 1993-04-01
    GB939306798A GB9306798D0 (en) 1993-04-01 1993-04-01 An article of head wear
    PCT/GB1994/000485 WO1994022336A1 (en) 1993-04-01 1994-03-11 An article of headwear

    Publications (2)

    Publication Number Publication Date
    EP0643563A1 EP0643563A1 (en) 1995-03-22
    EP0643563B1 true EP0643563B1 (en) 1998-11-18

    Family

    ID=10733140

    Family Applications (1)

    Application Number Title Priority Date Filing Date
    EP94909191A Expired - Lifetime EP0643563B1 (en) 1993-04-01 1994-03-11 An article of headwear

    Country Status (7)

    Country Link
    EP (1) EP0643563B1 (en)
    AT (1) ATE173382T1 (en)
    AU (1) AU6212494A (en)
    DE (1) DE69414670D1 (en)
    ES (1) ES2124877T3 (en)
    GB (1) GB9306798D0 (en)
    WO (1) WO1994022336A1 (en)

    Families Citing this family (3)

    * Cited by examiner, † Cited by third party
    Publication number Priority date Publication date Assignee Title
    GB9519377D0 (en) * 1995-09-22 1995-11-22 Withers & Rogers A helmet
    GB201312424D0 (en) * 2013-07-11 2013-08-28 Steele Mark Article of headgear
    TWI740123B (en) * 2019-04-02 2021-09-21 酷設工坊股份有限公司 A helmet with an optical machine remover

    Family Cites Families (6)

    * Cited by examiner, † Cited by third party
    Publication number Priority date Publication date Assignee Title
    US3059519A (en) * 1956-09-05 1962-10-23 Austin N Stanton Headgear mounted cathode ray tube and binocular viewing device
    FR2430206A1 (en) * 1978-07-06 1980-02-01 Cuvillier Roger PROTECTIVE HELMET WITH INCORPORATED MIRROR
    FR2457648A1 (en) * 1979-05-30 1980-12-26 Clave Serge Safety helmet with optical device for viewing upwards - consisting of prism in case fixed to helmet by articulated arms
    DE2943472A1 (en) * 1979-10-27 1981-05-07 Brian John 6054 Rodgau Littler Crash helmet eye protection plate - has non-splinter layer, anti-reflection layer and heated metallised glare reducing layer
    DE8221117U1 (en) * 1982-07-24 1983-09-29 Kalusche, Hans, 6451 Neuberg Protective helmet with a separate or integrated attachment to improve orientation about the traffic situation behind
    FR2631789A1 (en) * 1988-05-26 1989-12-01 Mesure Arthur Helmet or similar headgear with incorporated rear-view mirror

    Also Published As

    Publication number Publication date
    EP0643563A1 (en) 1995-03-22
    ATE173382T1 (en) 1998-12-15
    GB9306798D0 (en) 1993-05-26
    AU6212494A (en) 1994-10-24
    WO1994022336A1 (en) 1994-10-13
    ES2124877T3 (en) 1999-02-16
    DE69414670D1 (en) 1998-12-24

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