EP1168938B1 - Casque avec une visiere spherique - Google Patents

Casque avec une visiere spherique Download PDF

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Publication number
EP1168938B1
EP1168938B1 EP99964757A EP99964757A EP1168938B1 EP 1168938 B1 EP1168938 B1 EP 1168938B1 EP 99964757 A EP99964757 A EP 99964757A EP 99964757 A EP99964757 A EP 99964757A EP 1168938 B1 EP1168938 B1 EP 1168938B1
Authority
EP
European Patent Office
Prior art keywords
helmet
vizor
shell
ring support
spherical
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
EP99964757A
Other languages
German (de)
English (en)
Other versions
EP1168938A1 (fr
Inventor
Ivan Akrapovic
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.)
PAB - Plastika Akrapovi& Cacuta Buzet
Original Assignee
PAB - Plastika Akrapovi& Cacuta Buzet
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
Priority claimed from HR990373A external-priority patent/HRP990373B1/xx
Application filed by PAB - Plastika Akrapovi& Cacuta Buzet filed Critical PAB - Plastika Akrapovi& Cacuta Buzet
Publication of EP1168938A1 publication Critical patent/EP1168938A1/fr
Application granted granted Critical
Publication of EP1168938B1 publication Critical patent/EP1168938B1/fr
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
    • A42B3/10—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
    • A42B3/10—Linings
    • A42B3/105—Linings with additional protection for the neck
    • 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
    • A42B3/225—Visors with full face protection, e.g. for industrial safety applications

Definitions

  • the invention refers to the helmet that may be used as multipurpose helmet, with which the whole head and neck is protected against undesired mechanical, thermal, light, resounding and chemical effects from the direct surrounding.
  • the invention refers in particular to a helmet with a spherical vizor consisting of a shell, a spherical vizor, six-legged cross with the head basket, a belt for helmet tying, a jacket for neck protection and connecting elements.
  • the invention belongs to the spheres of technique, marked with the following marks:
  • Protective properties of a helmet depend on design solution of the helmet as the whole and its particular important parts. The efforts of the developer are oriented in the direction of finding simple solutions with reasonable manufacture price and high protective properties.
  • the invention of a helmet with spherical vizor of simple design and with high protective properties solves the technical problem of man's head and neck protection against mechanical, thermal, light, resounding and chemical effects from the direct environment at performing fire and other activities under similar risky conditions.
  • the patent HR P931162 of the same inventor describes the protection helmet with double curved vizor in the form of a part of thin shell of outside jacket of closed torus.
  • the vizor is in sliding connection with space channels between the vizor's guides and inner shell jacket, so that it can be pulled under the shell and pulled out under the same. With the mobile pulling in - pulling out vizor, the protective effects of the helmet are considerably increased.
  • the vizor may move between two guides fastened to the inner shell jacket and two sliding surfaces on the inner shell jacket.
  • the front arms of the six-arm cross are connected to vizor guides and the middle and rear arms of the six-arm cross to the inner shell jacket.
  • the front ends of the latchets for binding the helmet on the head are connected to the vizor guides and the rear end of this latchets as well as the neck protection piece are connected to the inner shell jacket.
  • connection between the vizor and the shell made as the sliding connection, is achieved by means of two vizor guides. Connections of arms of the six-arm cross, latchets for binding and neck protection piece are made also on vizor guides on the inner shell jacket.
  • a helmet of the type mentioned in the preamble of the main claim can for example be taken from DE-U 296 08 345.
  • the increase of protective effects of the helmet by the vizor that may be used, according to circumstances, is imposing as the necessity in circumstances in which there is the possibility of injuring face and eyes.
  • the vizor that may be pulled under the shell and pulled out under the shell represents the best solution because of the protection of the vizor itself and the helmet compactness.
  • the spherical vizor form with reinforced outside and inner edge enables the use of this helmet in combination with masks for respiratory organs protection.
  • the helmet with spherical vizor shown on figures 1, 2, 3 and 4 consists of the shell 1, ring support 2, spherical vizor 3, six-arm cross with the basket for head, latchets for binding the helmet, neck protection piece 4 and connection elements.
  • the shell 1 has basically the form of semisphere with uniform wall thickness with reference to the vertical longitudinal plane of the symmetry A-A of the helmet.
  • the shell 1 On the outside surface the shell 1 has the longitudinal central elevated and rounded off frame 5, extending from the front to the rear side of the shell 1.
  • the frame 5 is in the top part the narrowest and to the back and front part it is gradually widening. In the top part, the frame 5 is the highest and on its front side there is the surface 6 for putting marks.
  • the edge of the opening of the shell 1 in profile shown on Fig. 1 is formed in such a way, that the shell 1 does not cover field of sight, but covers the ears and the back of head.
  • the front part 8 of the edge that is on the front side shortly bended outwards, covers the upper forehead part up to temples and then it is descending on both sides over are roundnesses up to the auricles.
  • Middle parts 9 of the edge covering the ears are circulary rounded and over mild arc roundnesses connected with a bit elevated back part 10 of the shell 1 edge which is also shortly bended outwards.
  • the ring support 2 has basically the form of a section of oval shell with uniform thickness of the wall which upper edge 12 is flat and the lower edge 13 follows the edge profile of the shell 1 opening.
  • the piece 4 is flexible surface in the form of a segment of circular ring with circullary rounded off tops. Along the edge of the internal circular arch of the piece 4 there are more pressed in evenly arranged male parts 17 of flexible clamps joining into female parts 16 of flexible clamps on the ring support 2.
  • the ring support 2 is arranged in the lower part of the shell 1, so that with the rear half it lies on the inner jacket of the shell 1. It is connected with the shell 1 by means of two screws 25 and two cylindric tangs 15 that are drawn into the circular openings 11 on the shell 1.
  • the transparent spherical vizor 3 has basically the form of the segment of thin sphere shell with uniform wall thickness, which is bordered with the upper flat edge 26 and lower corrugated edge 27. Along the upper edge 26 on the external vizor 3 coating there is the reinforcement in form of three-edge frame 28 that on the front side goes over to the stepped limiter 29.
  • the vizor 3 In fully pulled out position, the vizor 3 is with the limiter 29 leant against the convexity 30 that is in the inner jacket of the shell 1 in the vicinity of its front part 8 of the edge.
  • the vizor 3 is fixed in stable lower position, from which it can be moved only to the upper position in which it is fully pulled under the shell 1. In fully pulled out position, the vizor 3 covers the whole face of a man. The space below the fully pulled out vizor 3 enables the use of modern masks for protection of respiratory organs and eyes against harmful gases.
  • the lower corrugated edge 27 of the vizor 3 goes over to the short guard 31 protruding forward and bended down.
  • the guard 31 is formed in such a way that in fully pulled in position with the surface 32 it touches the front part 8 and the middle part 9 of the oppening edge of the shell 1.
  • lower corrugated edge 27 with the guard 31 represents the reinforcement increasing mechanical resistance of the vizor 3, which in end positions does not reduce the field of sight of the user of the helmet.
  • the vizor 3 In fully pulled in position, the vizor 3 is fixed in a way, that with the frame 28 it is hooked up to two convexities 33 on the flanks of the inner jacket of the shell 1.
  • the assembly of rotated joints of the axis O is performed in the way, that the ends of the vizor 3 on which there are circular opening 34 are slipped over the tangs 15 of the ring support 2.
  • the ring support 2 and the vizor 3 thereby flexibly distort in order to enable their bond.
  • Connected ring support 2 and the vizor 3 are properly oriented put into the shell 1 in the way, that the tangs 15 are put inside in the circular openings 11 on the shell 1, whereby the flexibility of these parts is also used.
  • By screwing the screws 35 into the threads 15 all connected parts of the left and right joint are tightening till achievement of satisfactory frictional bond in joints between the vizor 3, shell 1 and ring support 2.
  • All parts of the helmet except connecting elements are made from polymere materials by compressive injection technology. Simple forms of shell 1, ring support 2 and vizor 3, as well as the simple assembly procedure reduce the helmet production costs with increased protective properties. By the spherical vizor the protection properties against mechanical, thermal and light effects are increased, with simultaneous application of the means for protection of respiratory organs against harmful gases.
  • the described constructional solution of the helmet enables the helmet manufacture for most sophisticated conditions of application, as they are in fire-fighting, civil engineering, mining, forestry and other industry branches.
  • the helmet with spherical vizor may also be applied in other professional and non-professional activities.

Landscapes

  • Helmets And Other Head Coverings (AREA)

Claims (5)

  1. Casque à écran sphérique, composé d'une coque (1), d'un écran sphérique (3), d'une croix à six branches munie de la coiffe, d'une sangle pour la fixation du casque, d'un bavolet (4) pour la protection du cou, et d'éléments de liaison, caractérisé en ce qu'il est en outre équipé d'un support annulaire (2) inséré dans la partie inférieure de la coque (1) et qui, avec la moitié arrière du bavolet extérieur, repose sur la chemise intérieure de la coque (1), à laquelle il est relié au moyen de deux vis (25) et de deux tiges cylindriques creuses (15) présentant des filetages dans leurs cavités, formées sur des parties centrales (14) de la chemise extérieure du support annulaire (2), l'axe d'articulation (O) étant perpendiculaire au plan longitudinal de symétrie (A-A) du casque, lesquelles tiges sont passées à travers des ouvertures circulaires (34) formées sur les extrémités de l'écran sphérique (3) et à travers des ouvertures rondes (11) formées sur les flancs latéraux de la coque (1) et sont fixées à la coque (1) par des vis (35), et en ce que l'écran sphérique (3) peut tourner autour des tiges cylindriques (15), de la position sortie au maximum à la position rentrée au maximum, dans un espace libre compris entre le support annulaire (2) et la coque (1) dans la partie avant du casque.
  2. Casque à écran sphérique selon la revendication 1, caractérisé en ce que le support annulaire (2) a essentiellement la forme d'un segment d'une coque hémisphérique ayant une épaisseur de paroi uniforme symétrique par rapport au plan de symétrie longitudinal vertical (A-A), le bord supérieur (12) de ce support étant plan et le bord inférieur (13) suivant le profil du bord ouvert de la coque (1), en ce que, le long du bord supérieur (12) du support annulaire (2), se trouvent des rainures (19) ménagées sur la chemise intérieure du support annulaire (2) et dans lesquelles sont insérées les extrémités arrière et centrale (18) de la croix à six branches munie de la coiffe, des sites d'assemblage pour fixer les parties avant (20) de la croix à six branches à la coiffe par des vis (21) et un site d'assemblage pour fixer l'extrémité arrière (22) et les extrémités avant (23) de la sangle à trois branches pour assembler le casque par des vis (24) à la chemise intérieure du support annulaire (2) et en ce que, le long du bord inférieur (13) du support annulaire (2), se trouvent plusieurs parties femelles (16), emmanchées à force et régulièrement distribuées, d'éléments à pression flexibles destinées à fixer des parties mâles (17) d'éléments à pression flexibles appartenant au bavolet flexible (4) de protection du cou.
  3. Casque à écran sphérique selon l'une quelconque des revendications 1 à 2, caractérisé en ce que le support annulaire (2) est fait d'une matière polymère par une technologie d'injection par compression.
  4. Utilisation d'un casque à écran sphérique selon l'une quelconque des revendications 1 à 3, dans la lutte contre le feu, le génie civil, les mines, la sylviculture et d'autres branches industrielles, aussi bien que dans des activités professionnelles et non professionnelles.
  5. Utilisation d'un casque à écran sphérique selon l'une quelconque des revendications 1 à 3, en combinaison avec des masques servant à protéger les organes respiratoires et les yeux des gaz nocifs.
EP99964757A 1999-04-08 1999-12-29 Casque avec une visiere spherique Expired - Lifetime EP1168938B1 (fr)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
HRP990071 1999-04-08
HR990071 1999-04-08
HR990373 1999-12-01
HR990373A HRP990373B1 (en) 1999-12-01 1999-12-01 A helmet including spherical visor
PCT/HR1999/000034 WO2000060970A1 (fr) 1999-04-08 1999-12-29 Casque à visière sphérique

Publications (2)

Publication Number Publication Date
EP1168938A1 EP1168938A1 (fr) 2002-01-09
EP1168938B1 true EP1168938B1 (fr) 2005-06-01

Family

ID=26317115

Family Applications (1)

Application Number Title Priority Date Filing Date
EP99964757A Expired - Lifetime EP1168938B1 (fr) 1999-04-08 1999-12-29 Casque avec une visiere spherique

Country Status (6)

Country Link
EP (1) EP1168938B1 (fr)
AT (1) ATE296549T1 (fr)
AU (1) AU3067800A (fr)
DE (1) DE69925642D1 (fr)
HK (1) HK1045441A1 (fr)
WO (1) WO2000060970A1 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NO317307B1 (no) 2002-10-31 2004-10-04 Forsvarets Forsknings Hjelm
US7797764B2 (en) * 2005-03-10 2010-09-21 Richard G Norris Military helmet extension and military helmet including the extension
US20110277224A1 (en) * 2009-01-19 2011-11-17 Midori Anzen Co., Ltd. Shield member and protective cap
JP2010163726A (ja) * 2009-01-19 2010-07-29 Midori Anzen Co Ltd 保護帽

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2601149A (en) * 1952-06-17 Sheetsxsheet i
US2204688A (en) * 1938-04-04 1940-06-18 Mcclung Charles William Protective visor for industrial hats
GB530434A (en) * 1939-10-24 1940-12-11 George Michael De Vine Improvements in and relating to protective helmets
US2688747A (en) * 1952-05-26 1954-09-14 B F Mcdonald Company Plastic helmet
DE6602591U (de) * 1965-06-05 1969-06-12 Fibre Metal Products Gmbh Schuetzende kopfbedeckung
DE9400161U1 (de) * 1994-01-07 1994-03-24 Schuberth-Werk GmbH & Co KG, 38106 Braunschweig Beschußfester Helm
FR2732864A1 (fr) * 1995-04-12 1996-10-18 Gallet Sa Structure de coque externe d'un casque de protection
DE29608345U1 (de) * 1996-05-08 1997-02-06 Krauter, Manfred, 01900 Bretnig-Hauswalde Helm, insbesondere für den Arbeits-, Brand- und Katastrophenschutz

Also Published As

Publication number Publication date
EP1168938A1 (fr) 2002-01-09
ATE296549T1 (de) 2005-06-15
WO2000060970A1 (fr) 2000-10-19
AU3067800A (en) 2000-11-14
HK1045441A1 (zh) 2002-11-29
DE69925642D1 (de) 2005-07-07

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