EP1836912A2 - Casque de protection avec visiére - Google Patents

Casque de protection avec visiére Download PDF

Info

Publication number
EP1836912A2
EP1836912A2 EP07005981A EP07005981A EP1836912A2 EP 1836912 A2 EP1836912 A2 EP 1836912A2 EP 07005981 A EP07005981 A EP 07005981A EP 07005981 A EP07005981 A EP 07005981A EP 1836912 A2 EP1836912 A2 EP 1836912A2
Authority
EP
European Patent Office
Prior art keywords
visor
crash helmet
holder
helmet provided
spring
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Withdrawn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
EP07005981A
Other languages
German (de)
English (en)
Other versions
EP1836912A3 (fr
Inventor
Pier Luigi Nava
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 EP1836912A2 publication Critical patent/EP1836912A2/fr
Publication of EP1836912A3 publication Critical patent/EP1836912A3/fr
Withdrawn legal-status Critical Current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
    • A42B3/18—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

Definitions

  • the present invention has as an object a crash helmet provided with a visor housed flush into the dome body.
  • the protrusions of the visor profile from the crash helmet body particularly but not exclusively those of the upper edge, generate a discontinuity of the visor/crash helmet dome profile, thus modifying the aerodynamic flows and preventing a proper operation and efficiency of the various air extractors, anyway they are located.
  • protrusions assist rain water infiltrations, particularly in case of poor impermeability of the visor/crash helmet assembly, in the following situations:
  • the impact deadening material thickness can be further enhanced.
  • headsets can be best applied for communication, as well as other useful devices for a surer use of the crash helmet.
  • the rising and closing of the visor are performed with easy movements which are instinctive and usual, and once closed the visor remains into its seat surely and steadily.
  • Such aims are achieved by a crash helmet provided with a visor housed flush into the dome body, according to claim 1, to which we refer for concision.
  • Fig. 1 shows a partial sectional side view of a crash helmet visor 1 according to the present invention, which is mounted into two visor-holding sections 2SX and 2DX, and which in its closed position is flush to the dome 3 and follows its shape, thus forming a continuous ideal line.
  • a lateral profile 4 of the visor-holder 2 also visible in section A-A' of fig. 2, comprises a spoiler 5 which, properly shaped, deviates the air flow flowing onto lateral surfaces, thus forming a detachment area 6.
  • the detachment area 6 acts as an insulator, thus allowing to reduce rustling noise perceived by the ears and caused by the air flowing onto the surface.
  • the crash helmet thus becomes more silent and the driver is able to better perceive the traffic noise, enhancing driving security and comfort.
  • the visor 1 which in its closed position is flush and fitted into its peripheral seat, in order to rise has to:
  • the upper bevelled profile 7 of the visor 1 has a particular pattern which matches with a corresponding bevel of the upper edge 8 of the crash helmet.
  • the rising of the visor 1 simultaneously drives a carriage shown in fig. 1, which, due to its spring coupling, that is a spring 10 and an articulated connecting rod 14, moves forwards and outwards the visor 1 and visor-holder 2 assembly, thus clearing completely the visor 1 from left and right lateral seats.
  • the carriage has an articulated connecting rod 14, to which is linked a spring 10 that, according to a preferred embodiment of the invention, ends with wheels 16.
  • numbers 18, 19 and 20 designate visor sliding and locating wheels, thus indicating as a whole said supporting/sliding means.
  • the sliding wheels 19 locate into proper seats and keep the raised visor fixed.
  • FIG. 1 In fig. 1 is also visible an elastic clip 22 adapted to lock and release the visor 1, a "salami slice shaped" anchorage 23 to lock the visor 1, and a hook 24 (both at left and right) to fit in the visor 1.
  • the lowering of the visor 1 causes the reverse repetition of the above-said movements, and brings back the visor to its ordinary seat in closed position, flush to the dome body of the crash helmet.
  • the edge 8 is made of an anti-friction material.
  • the edge 8 is concurrently the seat of some portions of the visor 1, the water-tight seal 9 and the lateral profile 4 of the visor-holder 2, thus allowing an easier and more accurate manufacture thereof, particularly in cases of composite domes.
  • the edge 8 (also shown in fig. 4bis) can also represent and gather into a single piece the upper grid 11 for air suction, the seat of the coupling 12 of the quill 13 for the removable and washable interior, as well as the seat of the air and water-tight seal.
  • visor edge made of an elastomeric material of the invention, first remarking that usually visors have a tab "a" protruding outwards (visible in fig. 10tris) which is applied or is part of the lower edge of the visor 1.
  • a further embodiment envisages that the edge material is comprised of a properly thick spongy technopolymer 33, which is sufficiently pliable to the pressure applied by a finger, in order to provide a finger support surface, and sufficiently compliant to resume its originary shape and function.
  • Fig. 10quinques shows a further embodiment relating to the rising of visor 1, in which it is also visible an elastomeric or technopolymer edge 34 including the nose mask.
  • the lower edge 29 of the crash helmet visor is made of an elastomeric material and is designed to be easily pliable to pressure applied by a finger.
  • Said finger can thus deform the profile at any point, also fixed according to a selection (normally the front), by applying a gentle pressure, and penetrate sufficiently to reach the hold needed to rise the visor.
  • the elastomeric edge 29, as described, allows the following outcomes:
  • the system shown in figg. 7-9 differs from the system of the figure in the shape of the coupling between the visor-holder 2 and the retaining/sliding carriage, and in the shape of the carriage.
  • the carriage is substantially comprised of a sole spring wire 10, which with its particular pattern performs more functions at the same time, that is:
  • Fig. 7bis shows a detail, in sectional view, of the visor sliding elements in a further embodiment of the invention.
  • the spring 10 in which the central stem couples to a portion 28bis made of an anti-friction technopolymer.
  • Fig. 7tris shows a further modification of the elastic coupling for allowing movements between the visor-holder 2 and the crash helmet, in which said elastic coupling is comprised of a properly shaped spring 10tris, which couples the visor-holder 2 to the retaining/sliding system of visor 1.
  • Such a component performs the function of retaining runners or wheels in their seat, the function of multidirectional elastic connection and, thanks to its cam shape 40, drives the portion 2tris outwards and represents a fixed point for connection during rotation phases.
  • the invention is not limited only to crash helmets for motor sports: it can be of interest and advantage for any kind of crash helmet, also when a high level of impact deadening is not required by rules, as for example for sky, climbing, horse-riding, skating, flying helmets, and others.

Landscapes

  • Helmets And Other Head Coverings (AREA)
EP07005981A 2006-03-22 2007-03-22 Casque de protection avec visiére Withdrawn EP1836912A3 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ITMI20060519 ITMI20060519A1 (it) 2006-03-22 2006-03-22 Casco di prote4zione dotato di visiera incassata a filo nella sagoma della calotta

Publications (2)

Publication Number Publication Date
EP1836912A2 true EP1836912A2 (fr) 2007-09-26
EP1836912A3 EP1836912A3 (fr) 2009-03-11

Family

ID=38137768

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07005981A Withdrawn EP1836912A3 (fr) 2006-03-22 2007-03-22 Casque de protection avec visiére

Country Status (2)

Country Link
EP (1) EP1836912A3 (fr)
IT (1) ITMI20060519A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11213089B2 (en) 2019-06-04 2022-01-04 Msa Technology, Llc Protective helmet with face protection shield and linkage mechanism

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2541874A1 (fr) * 1983-03-01 1984-09-07 Gallet Fils Ets Jean Mecanisme de liaison entre l'ecran et la calotte d'un casque de protection
US6047409A (en) * 1998-05-02 2000-04-11 Simpson; Elwood J. B. Adjustable safety lock for helmet face shield
EP1057419B1 (fr) * 1999-05-27 2003-07-30 OPTICOS S.r.l. Dispositif pour actionner la visière d'un casque pour motocyclistes et similaires
US6442766B1 (en) * 2000-12-05 2002-09-03 Michio Arai Shield supporting structure in helmet
EP1293138A1 (fr) * 2001-09-14 2003-03-19 OPTICOS S.r.l. Dispositif pour dégager et relever la visière d'un casque de protection pour motocyclistes

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11213089B2 (en) 2019-06-04 2022-01-04 Msa Technology, Llc Protective helmet with face protection shield and linkage mechanism

Also Published As

Publication number Publication date
ITMI20060519A1 (it) 2007-09-23
EP1836912A3 (fr) 2009-03-11

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