EP1293138A1 - Vorrichtung zum Freigeben und Verschwenken des Visiers eines Schutzhelmes für Motorradfahrer - Google Patents

Vorrichtung zum Freigeben und Verschwenken des Visiers eines Schutzhelmes für Motorradfahrer Download PDF

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Publication number
EP1293138A1
EP1293138A1 EP01830587A EP01830587A EP1293138A1 EP 1293138 A1 EP1293138 A1 EP 1293138A1 EP 01830587 A EP01830587 A EP 01830587A EP 01830587 A EP01830587 A EP 01830587A EP 1293138 A1 EP1293138 A1 EP 1293138A1
Authority
EP
European Patent Office
Prior art keywords
visor
extraction
rotation
designed
helmet
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Withdrawn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
EP01830587A
Other languages
English (en)
French (fr)
Inventor
Luca Gafforio
Alberto Salvetti
Gabriele Tomasoni
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.)
Opticos SRL
Original Assignee
Opticos SRL
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 Opticos SRL filed Critical Opticos SRL
Priority to EP01830587A priority Critical patent/EP1293138A1/de
Priority to US10/243,941 priority patent/US20030051289A1/en
Priority to JP2002270138A priority patent/JP2003183926A/ja
Publication of EP1293138A1 publication Critical patent/EP1293138A1/de
Withdrawn legal-status Critical Current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 subject of the present invention is a device for extraction and rotation of a visor for crash-helmets, and in particular, an extraction device designed to enable extraction of the visor from a first closed position, where it is perfectly set in and flush with the outer surface of the cap, to a second position where the visor is in a forward position outside the recess provided in the cap and ready to be rotated upwards, and vice versa.
  • a solution forming part of the prior art is that of anchoring the transparent visor for motor-cycle helmets at the two sides of the cap of the helmet by means of pins integral with the cap and projecting from the latter.
  • the visor in its closed position, fits into a hole made on the front of the helmet.
  • the visor is mounted in cantilever fashion on the cap both when it is in the closed position on the hole provided in the helmet and when it is raised, namely, in the open position. This causes a discontinuity in the outer surface of the helmet, which results in a decrease in the aerodynamic performance of the helmet and in an appearance that is somewhat unattractive.
  • a purpose of the present invention is to provide a helmet with a visor which appears, when it is in the closed position, perfectly set in and flush with the outer surface of the cap of the helmet and which is provided with a device for extraction and rotation of the visor that is constitutively simple and easy to assemble.
  • Another purpose of the present invention is to provide a device for extraction and rotation of the visor which is highly reliable and at the same time easy and inexpensive to produce.
  • a device for extraction and rotation of a visor for helmets comprising a cap, a hole made in the cap, in which a visor may be positioned perfectly set in, and means for expelling the visor, characterized in that said expulsion means comprise an extractor ensemble designed to enable the application of a force of thrust on the visor directed towards the outside of the helmet, as well as at least two inclined guiding elements, set at the side ends of the hole and designed to engage slidably at least two slide means connected to the visor for enabling translation of said slide means from a first position, in which the visor is set in inside the hole, to a second position, in which the visor is extracted from the hole and is ready to be rotated, and vice versa.
  • said expulsion means comprise an extractor ensemble designed to enable the application of a force of thrust on the visor directed towards the outside of the helmet, as well as at least two inclined guiding elements, set at the side ends of the hole and designed to engage slidably at least two slide means connected to the visor for
  • the inclined guides form a tapering which converges towards the rear part of the helmet.
  • the two slide means are connected each to one side end of the visor by means of rotating blocks designed to enable rotation of the visor.
  • the two guiding elements comprise elastic means which are set between the guiding elements and the slide means and are designed to withhold the slide means in the first position, in which the visor is perfectly set in inside the hole, and to favour the thrust of the slide means in the transition towards the second position, in which the visor is extracted from the hole and ready to be rotated.
  • the extractor ensemble comprises a lever which is hinged to an internal portion of the chin-piece of the helmet, and/or of a support anchored to the chin-piece, and is designed to rotate about the hinging point in order to exert a pressure against at least one internal portion of the visor sufficient for extraction of said visor.
  • the lever is connected to elastic means set between the lever and at least one internal portion of the chin-piece and/or of the support anchored to the chin-piece of the helmet.
  • the extractor ensemble comprises a release device designed to enable the elastic means to exert its force on the lever.
  • FIGS 1a, 1b, 1c illustrate a helmet 1 for motor-cyclists of the type with visor 2 that can be perfectly set into a hole 3 made in the cap 4 of the helmet, the said helmet being equipped with the device for extraction and rotation of the visor according to the present invention.
  • Figure 1a illustrates the helmet 1 with the visor 2 perfectly set in and flush with the outer surface of the cap 4;
  • Figure 1 b illustrates the helmet 1 with the visor 2 completely extracted from the recess provided and ready to be rotated upwards;
  • Figure 1c illustrates the helmet 1 with the visor 2 rotated upwards.
  • the movement of extraction and rotation of the visor 2 is rendered possible by special means for its expulsion which comprise an extractor ensemble designed to enable the application of a force of thrust (indicated in Figure 1 b by the arrow F) on the visor 2 directed towards the outside of the helmet 1, and at least two inclined guiding elements which are set at the side ends of the hole 3 and are designed to engage at least two slide means 6 connected to the visor 2.
  • special means for its expulsion comprise an extractor ensemble designed to enable the application of a force of thrust (indicated in Figure 1 b by the arrow F) on the visor 2 directed towards the outside of the helmet 1, and at least two inclined guiding elements which are set at the side ends of the hole 3 and are designed to engage at least two slide means 6 connected to the visor 2.
  • the inclined guiding elements engage the slide means 6 to translate them from a first position, in which the visor 2 is set in inside the hole 3 (Fig. 1a), and hence perfectly flush with the outer surface of the cap 4, to a second position (Fig. 1b), in which the visor is extracted from the hole 3 provided in the cap and is ready to be rotated, and vice versa.
  • the guiding elements are inclined so as to form a tapering converging towards the rear part of the helmet 1.
  • the distal portion, with respect to the surface of the cap, of the inclination of the guiding element faces the front part of the helmet, the proximal portion of the inclination faces the rear part of the helmet.
  • the orientation of the inclination of the guiding elements enables the ends of the visor, usually U-shaped in plan view, to be deformed towards the outside of the helmet, under the action of the force of expulsion F, in order to prevent, during rotation of the visor, any interference with the outer surface of the cap.
  • the guiding elements are represented by two pairs of inclined guides 5 made in two bases 7 positioned on the cap 4 at the side ends of the hole 3 for accommodating the visor 2.
  • the two guides 5, forming a single pair present the same inclination and are therefore set parallel inside a base 7.
  • each plane body 8 In a central position, inside each plane body 8, there is provided a circular seat 11 for a rotating block (not illustrated) which is pivoted in an aperture 12 and to which one end of the visor 2 is connected.
  • the two guiding elements further comprise elastic means, which are set between the bases 7 and the slide means 6 and are designed to withhold the slide means 6 in the first position, i.e., in the position in which the visor 2 is perfectly set in inside the hole 3, and to favour the thrust of the slide means in the transition towards the second position, i.e., the position in which the visor 2 is extracted from the hole 3 and is ready to be rotated.
  • the elastic means are represented, again as may be seen in Figure 2, by a flat spring 13 provided with a plane end 14 constrained in 15 to the slide means 6 and with an end having an undulated profile 16 designed to co-operate with a roller element 17.
  • the undulated profile 16 of the end of the flat spring 13 advantageously has a concave portion 18 and a subsequent convex end portion 19 set towards the inside of the helmet.
  • the concave portion 18 has a curved profile of dimensions such as to enable perfect insertion of the roller element 17.
  • the roller element 17 is constrained, in such a way that it can turn, to the base 7 of the cap 4, in which there are provided the guides 5, and in particular it is positioned in appropriate seats made in a position corresponding to the inclined guide 5 facing the rear part of the helmet 1.
  • the roller element 17 is housed in the concave portion 18 and acts as a retaining element between the slide means 6 and the guiding element; next, under-the action of the force of extraction F applied to the visor 2, the slide means 6 starts to slide on the guiding element, and the end of the flat spring 13 slides on the roller 17, which rotates on itself and acts as a retaining element until the roller 17 passes the centre of the convex portion 19. In this condition, the undulated profile is compressed and pushes against the roller element 17, facilitating sliding of the slide means 6 on the guiding element, and consequently expulsion of the visor 2.
  • the elastic means are still constituted by a flat spring 13, which is set between the base 7 and the slide 6 and has the same purposes as in the embodiment already described.
  • the flat spring 13 is again provided with a plane end and an end with undulated profile, but in this embodiment the plane end is constrained to the base 7, and the end with undulated profile co-operates with a special follower element or projection having a cam profile, which replaces the roller element 17 and is made on the bottom surface of the slide element 6.
  • the spring again works in bending and performs the same functions.
  • the encumbrance is minimal on account of the absence of the roller 17 and of the fact that the lateral undercuts or areas of removed material, which hitherto were present on the outer surface of the cap 4 for accommodating, in the visor-closed position, the free end 16 of the spring 13, are no longer required.
  • the expulsion of the visor 2 from the special recess or hole 3 made in the cap 4 requires the inclined guiding elements to be set and constrained in a position corresponding to the side ends of the visor 2 and requires a force of expulsion F applied to the visor 2.
  • this force is generated by an extractor ensemble.
  • the extractor ensemble comprises a bridge-type lever 20 provided with an L-shaped profile, which has at its bottom ends 21 hinges 22 designed to constrain, in such a way that it can turn, the lever 20 to a support, hereinafter referred to as muzzle 37, of the helmet 1.
  • the muzzle 37 is anchored to the chin-piece of the helmet at its front end.
  • the rotation of the lever 20 about the hinges 22 brings the projecting top end 23 to come into contact with an internal portion of the visor so as to exert on the latter a pressure sufficient for its extraction.
  • the extractor ensemble is further provided with elastic means, and in particular with a pre-compressed helical spring (not visible in the figure) set between the lever 20 and a portion of the chin-piece of the helmet.
  • a special housing 24 is provided for the helical spring, on the rear portion of the top end 23 of the lever 20, i.e., on the portion facing the inside of the helmet 1, and an opposed housing (not illustrated) is made on the outer surface of the chin-piece, namely on the surface of the chin-piece which is turned towards the outside of the helmet 1 and faces the muzzle 37.
  • the lever 20 is then completed by two contrast elements 25, projecting from the lever 20, for a release device of the helical spring.
  • the pre-loaded helical spring if left free to act, would bring the top end 23 of the lever 20 into contact with the visor 2, and in particular with one of its internal portions for exerting the force sufficient for generating extraction of the visor 2 from the recess provided; for this reason, the helical spring is forced in a loaded condition by a release device, and consequently the top end 23 of the lever 20 is away from the visor and is inclined towards the inside of the helmet.
  • the release device is nothing but a slider 26 able to translate vertically between a first position, in which it withholds the contrast elements 25 projecting from the lever 20 to prevent expansion of the helical spring, and a second position, in which, leaving free the contrast elements 25, it enables expansion of the helical spring, and consequently rotation of the lever 20.
  • the expansion of the helical spring and the consequent rotation of the lever 20 enable the top end 23 of the lever 20 to enter into contact with the visor 2 and to exert on the latter the force necessary for its extraction.
  • the slider 26 is provided with two sliding pins 27 which project internally from a window 28 made on the slider 26.
  • the pins 27, which engage guides 29 made on a lever-type button 30, are responsible for the vertical translation of the slider 26 with respect to the contrast elements 25.
  • the slider 26 is further engaged underneath by a further pin 31, with an elastic means, such as a second helical spring (not illustrated), which works by expanding to keep the slider 26 translated upwards and engaged with the projecting contrast elements 25 of the lever 20.
  • an elastic means such as a second helical spring (not illustrated)
  • the slider 26 is also provided with a safety catch 32 projecting from its top end and designed to withhold the visor 2, up to the moment in which the pins 27 have completed their travel inside the guides 29, in order to prevent premature and/or undesired expulsion of the visor 2 from the special recess provided in the cap 4.
  • the release device is operated by a lever-type button 30: the pressure exerted on the portion 33 of the button 30 enables sliding of the pins 27 inside the guides 29 made on the sides of the lever-type button 30, and consequently translation downwards of the slider 26 so as to free the contrast elements 25 that withhold the helical spring in a condition of loading.
  • the helical spring which is now free to expand, causes the top end 23 of the lever 20 to rotate and brings it into contact with an internal portion of the visor 2 so that the said end 23 can exert the force of extraction necessary for extracting the visor 2 from the recess provided in the cap 4.
  • the lever-type button 30 is provided with a substantially wedge-shaped head 34, as may be seen in Figure 4, designed to be inserted into the window or slot 28 made on the slider 26, and an elongated body 35, which is provided at its bottom end with a hinge 36, the axis of rotation of which, once the device is mounted, is coaxial with the axis of rotation of the hinges 22.
  • the slide guides 29 made on the outer sides of the wedge-shaped head 34 are inclined and define a reversible travel for the pins 27.
  • the position of start of travel, located towards the top part of the wedge-shaped head, corresponds to the position of the slider 26 that withholds the contrast elements 25 projecting from the lever 20, and the position of end of travel, located in the bottom part of the wedge-shaped head 30, corresponds to the position of the slider 26 that leaves the contrast elements 25 free.
  • the inclination and length of the travel of the guides 29 are such as to enable a delay in the expulsion of the visor, the said delay resulting in the engagement of the catch 32 with the visor 2.
  • the extractor device is mounted on the muzzle 37 anchored to the chin-piece of the helmet; however, it would in any case be possible to install it directly on the chin-piece of the helmet 1 without departing from the scope of protection of the present invention.
  • the extractor device is mounted on the internal portion of the muzzle 37 (illustrated in Figure 5), which for this purpose is provided with hinging seats 38, which are designed to enable coaxial rotation of the lever 20 and of the lever-type button 30 about the hinges 22 and 36, as well as with guides 39 for vertical translation of the slider 26, and with a central cross member 40, which determines the end of travel of the lever 20 during its rotary movement towards the visor 2.
  • hinging seats 38 which are designed to enable coaxial rotation of the lever 20 and of the lever-type button 30 about the hinges 22 and 36, as well as with guides 39 for vertical translation of the slider 26, and with a central cross member 40, which determines the end of travel of the lever 20 during its rotary movement towards the visor 2.
  • a seat 41 set opposite to the pin 31, for the spring provided for vertical translation of the slider 26.
  • the helmet 1 could be represented by a cavity made in the muzzle of the helmet, designed to enable insertion inside it and underneath the visor of at least one finger so that the motorcyclist can exert on the visor the necessary force of extraction manually.

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  • Helmets And Other Head Coverings (AREA)
  • Pivots And Pivotal Connections (AREA)
EP01830587A 2001-09-14 2001-09-14 Vorrichtung zum Freigeben und Verschwenken des Visiers eines Schutzhelmes für Motorradfahrer Withdrawn EP1293138A1 (de)

Priority Applications (3)

Application Number Priority Date Filing Date Title
EP01830587A EP1293138A1 (de) 2001-09-14 2001-09-14 Vorrichtung zum Freigeben und Verschwenken des Visiers eines Schutzhelmes für Motorradfahrer
US10/243,941 US20030051289A1 (en) 2001-09-14 2002-09-16 Extraction and rotation device for the visor of a crash helmet for motorcycles
JP2002270138A JP2003183926A (ja) 2001-09-14 2002-09-17 自動二輪車用安全ヘルメットのフェースシールドの引出し回転装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP01830587A EP1293138A1 (de) 2001-09-14 2001-09-14 Vorrichtung zum Freigeben und Verschwenken des Visiers eines Schutzhelmes für Motorradfahrer

Publications (1)

Publication Number Publication Date
EP1293138A1 true EP1293138A1 (de) 2003-03-19

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EP01830587A Withdrawn EP1293138A1 (de) 2001-09-14 2001-09-14 Vorrichtung zum Freigeben und Verschwenken des Visiers eines Schutzhelmes für Motorradfahrer

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US (1) US20030051289A1 (de)
EP (1) EP1293138A1 (de)
JP (1) JP2003183926A (de)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1836912A2 (de) * 2006-03-22 2007-09-26 Pier Luigi Nava Schutzhelm mit Visier
EP1856999A2 (de) * 2006-05-15 2007-11-21 Shoei Co., Ltd. Mechanismus zur Montage einer Helmvisier und damit versehener Helm
US8087099B2 (en) 2007-02-06 2012-01-03 Shoei Co., Ltd. Helmet and helmet size adjusting method
US8800065B2 (en) 2007-08-07 2014-08-12 Shoei Co., Ltd. Helmet and method of removing the same
US9402434B2 (en) 2013-06-03 2016-08-02 Shoei Co., Ltd. Helmet shield attaching mechanism
IT201700122769A1 (it) * 2017-10-27 2019-04-27 Gian Luca Chianese Casco di protezione

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7814579B2 (en) * 2004-09-27 2010-10-19 Kbc America, Inc. Modular helmet
US7895678B2 (en) * 2007-08-06 2011-03-01 Bell Sports, Inc. Helmet with improved shield mount and precision shield control
KR101150796B1 (ko) * 2009-07-29 2012-06-13 주식회사 홍진에이치제이씨 헬멧
WO2016183652A1 (pt) * 2015-05-19 2016-11-24 Paranhos Torres Maurício Aperfeiçoamentos introduzidos em célula de proteção craniana
DE102020211600A1 (de) * 2020-09-16 2022-03-17 Alpina Sports Gmbh Vorrichtung, insbesondere Visiermechanismus, zum Verlagern eines Visiers an einem Helm und Kopfschutzsystem
EP4023092A1 (de) * 2020-12-30 2022-07-06 Dainese S.p.A. Helm

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0287145A1 (de) * 1987-04-17 1988-10-19 T.A.C. Tongerese Automaten Centrale personenvennootschap met beperkte aansprakelijkheid Schutzhelm mit integriertem, schwenkbarem Augenschirm
EP1057419A1 (de) * 1999-05-27 2000-12-06 OPTICOS S.r.l. Vorrichtung zum Betätigen des Visiers von Helmen für Motorradfahrer und dergleichen

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1109155B (it) * 1978-01-11 1985-12-16 Nava Pier Luigi Casco con visiera ribaltabile,particolarmente per motociclisti e simili
IT1092660B (it) * 1978-02-13 1985-07-12 Nava Pier Luigi Dispositivo per azionare visiere di caschi o simili
US4748696A (en) * 1986-05-16 1988-06-07 Foehl Artur Safety helmet

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0287145A1 (de) * 1987-04-17 1988-10-19 T.A.C. Tongerese Automaten Centrale personenvennootschap met beperkte aansprakelijkheid Schutzhelm mit integriertem, schwenkbarem Augenschirm
EP1057419A1 (de) * 1999-05-27 2000-12-06 OPTICOS S.r.l. Vorrichtung zum Betätigen des Visiers von Helmen für Motorradfahrer und dergleichen

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1836912A2 (de) * 2006-03-22 2007-09-26 Pier Luigi Nava Schutzhelm mit Visier
EP1836912A3 (de) * 2006-03-22 2009-03-11 Pier Luigi Nava Schutzhelm mit Visier
EP1856999A2 (de) * 2006-05-15 2007-11-21 Shoei Co., Ltd. Mechanismus zur Montage einer Helmvisier und damit versehener Helm
EP1856999A3 (de) * 2006-05-15 2008-12-24 Shoei Co., Ltd. Mechanismus zur Montage einer Helmvisier und damit versehener Helm
US8069499B2 (en) 2006-05-15 2011-12-06 Shoei Co., Ltd. Helmet shield attaching mechanism, and helmet attached with the same
US8087099B2 (en) 2007-02-06 2012-01-03 Shoei Co., Ltd. Helmet and helmet size adjusting method
US8800065B2 (en) 2007-08-07 2014-08-12 Shoei Co., Ltd. Helmet and method of removing the same
US9402434B2 (en) 2013-06-03 2016-08-02 Shoei Co., Ltd. Helmet shield attaching mechanism
IT201700122769A1 (it) * 2017-10-27 2019-04-27 Gian Luca Chianese Casco di protezione

Also Published As

Publication number Publication date
US20030051289A1 (en) 2003-03-20
JP2003183926A (ja) 2003-07-03

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