EP3001919A1 - Helmet for motorcycling - Google Patents
Helmet for motorcycling Download PDFInfo
- Publication number
- EP3001919A1 EP3001919A1 EP15187457.5A EP15187457A EP3001919A1 EP 3001919 A1 EP3001919 A1 EP 3001919A1 EP 15187457 A EP15187457 A EP 15187457A EP 3001919 A1 EP3001919 A1 EP 3001919A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- visor
- chin guard
- closed position
- guide plate
- 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.)
- Granted
Links
- 230000007246 mechanism Effects 0.000 claims abstract description 38
- 230000008878 coupling Effects 0.000 claims description 12
- 238000010168 coupling process Methods 0.000 claims description 12
- 238000005859 coupling reaction Methods 0.000 claims description 12
- 230000009471 action Effects 0.000 description 7
- 230000000717 retained effect Effects 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 230000000670 limiting effect Effects 0.000 description 3
- 210000003811 finger Anatomy 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 210000003625 skull Anatomy 0.000 description 2
- 210000003813 thumb Anatomy 0.000 description 2
- 230000002860 competitive effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 210000004237 neck muscle Anatomy 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000002829 reductive effect Effects 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 230000001131 transforming effect Effects 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
Images
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
- A42B3/18—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
- A42B3/223—Attaching visors to helmet shells, e.g. on motorcycle helmets in an articulated manner, e.g. hinge devices with means for locking the visor in a fully open, intermediate or closed position
Definitions
- the present invention relates to a helmet for motorcycling, and more in particular to a helmet for motorcycling of modular type that can be homologated and can be used both in full face configuration and in jet configuration.
- a particular type of helmet for motorcycling consists of modular helmets having the characteristic of being able to be used as full face helmets or as jet helmets and that are homologated for both configurations.
- modular helmets are equipped with a chin guard that is not produced in once piece with the shell, but is a separate piece that can rotate with respect to the shell, moving upward and releasing the mandibular region of the user, in this way transforming the helmet from full face to jet, and vice versa.
- Modular helmets being reversibly transformable from full face to jet and vice versa, offer a good compromise between safety and comfort, but are considerably heavier and bulkier than jet and full face helmets and, above all when riding with the chin guard open, noisy and uncomfortable, due to the significant sail effect exerted by the chin guard in open position.
- the chin guard is located in correspondence of the frontal or upper region of the user's skull, offering noteworthy aerodynamic resistance during movement. Consequently, a pressure is generated on the helmet and accordingly on the user, who is obliged to tense the neck muscles to oppose the effect of this pressure, without forgetting the decidedly annoying noise generated by air turbulence around the open chin guard.
- helmets have been proposed in which, once opened, the chin guard is brought in correspondence of the rear part of the shell.
- the arc of rotation of the chin guard during switching from the closed position to the open position, and vice versa must be relatively wide. Accordingly, the chin guard, in the open position, projects even substantially from the rear part of the shell. Therefore, the problems of noise generated by air turbulence are always present, while the problems of air pressure on the chin guard, and consequently on the helmet, remain, albeit to a lesser extent with respect to the preceding case.
- the patent application EP-TO-1806986 by Shark SA proposes a helmet for motorcycling which attempts to find a solution to these problems through an opening mechanism of the chin guard that includes:
- the main aim of the present invention is to provide a helmet for motorcycling of modular type that solves the drawbacks and problems described above.
- an object of the present invention is to provide a helmet for motorcycling of modular type, which reduces the negative aerodynamic effects when travelling with the chin guard open.
- Another aim of the present invention is to provide a helmet of modular type for motorcycling in which turbulence and noise are reduced.
- Another aim of the present invention is to provide a helmet of modular type for motorcycling, in which interference between visor and chin guard are prevented during the opening and closing movement of this latter.
- Another object of the present invention is to provide a helmet of modular type for motorcycling that is provided with relatively simple kinematic mechanisms for opening and closing the chin guard and the visor.
- Another object of the present invention is to provide a helmet of modular type for motorcycling in which switching from full face to jet configuration can be easily and rapidly implemented by the user.
- One more object of the present invention is to provide a helmet of modular type for motorcycling that is safe and in which locking of the chin guard in positions that would to obstruct or reduce the user's visibility is prevented.
- Yet another object of the present invention is to provide a helmet of modular type for motorcycling which is highly reliable and easy to produce at competitive costs.
- a helmet for motorcycling comprising a shell, at least one visor mounted on said shell and movable in rotation with respect to said shell from a closed position to an open position and vice versa, and a chin guard connected to said shell and movable with respect to it from a closed position to an open position in correspondence of the rear part of said shell, characterized in that it comprises means for opening and closing of said visor and said chin guard comprising:- automatic opening means for the automatic switching of said visor from said closed position to said open position;
- a helmet of modular type for motorcycling thus conceived has a plurality of features and properties that enable the drawbacks and problems described above to be overcome.
- the guide means of the chin guard which confer a circular trajectory on it during a first phase of the opening movement and a trajectory in rotation and translation with respect to the shell during a second phase of the opening movement make it possible to obtain a helmet in jet configuration in which the chin guard is closely adjacent to the rear part of the shell eliminating, or at least greatly limiting, the negative aerodynamic effects in terms of air pressure and noise generated by turbulence.
- the locking/unlocking mechanism of the visor and of the chin guard is relatively simple and easy to use by the user.
- the fact that the second kinematic mechanism for unlocking and opening of the visor allows automatic switching from the closed position to the open position of the visor when the chin guard is closed ensures absolute safety, as all interference between visor and chin guard during said operation is avoided.
- said first kinematic mechanism for unlocking and opening of said visor and of said chin guard comprises at least one button positioned on said chin guard and operatively connected to said visor for unlocking of said visor from said closed position. Following actuation of this button, the visor is brought automatically to the open position due to the presence of the automatic opening means of said visor and use by the user is greatly simplified with respect to helmets of known type in which the whole opening operation is normally performed manually.
- buttons are understood to mean any device, for example a key, a lever, a knob, or similar devices, that can be actuated manually by the user and that is able to transfer the actuation command to the kinematic mechanisms and operating devices connected to it.
- the automatic opening means of the visor preferably comprise elastic means, for example spring means, which are operatively coupled to the visor and to the shell and determine the movement of the visor from the closed position to the open position of the visor when the visor is not retained in closed position by the visor locking means. Switching of the visor from the open position to the closed position is instead performed manually by the user, who acts manually on the visor and, overcoming the resistance of the elastic means, brings the visor into the closed position where it is retained by the locking means.
- elastic means for example spring means
- the elastic force exerted by the elastic means can advantageously be chosen as a function of the required opening speed of the visor, or of the force required to overcome the resistance of the elastic means to return the visor to the closed position.
- damping means can be provided to slow the visor during the final phase of opening and reduce the impact force that is generated when movement of the visor stops.
- said first kinematic mechanism for unlocking and opening of said visor and said chin guard comprises a first button positioned on the chin guard and operatively connected to the visor for unlocking of said visor from its closed position.
- the first kinematic mechanism for unlocking comprises a first button and a second button.
- said first button is operatively connected to the visor for unlocking of said visor from said closed position
- the second button also positioned on said chin guard, is operatively connected to said first button and is actuatable only upon actuation of said first button.
- actuation of the first button allows unlocking and consequently automatic opening of the visor as described previously, while the second button allows unlocking and subsequent opening of the chin guard; the second button cannot be actuated unless the first button is actuated first, thus preventing situations of potential interference between visor and chin guard during the opening of this latter.
- said locking means of said visor in said closed position comprise first visor locking means for maintaining said visor in said closed position when the chin guard is in closed position and second visor locking means for maintaining said visor in closed position when the chin guard is in open position.
- said second locking means of said visor comprise first engagement means positioned on the guide means of said visor engageable with and disengageable from second engagement means positioned on the guide means of said chin guard.
- said first locking means of said visor comprise third engagement means that are positioned on said chin guard and are operatively connected to said first kinematic mechanism for unlocking and opening: said third engagement means are engageable with and disengageable from fourth engagement means positioned on said visor.
- the visor in the full face helmet configuration is maintained closed by the third engagement means positioned on the chin guard that engage the fourth engagement means positioned on the visor; acting on the first kinematic mechanism for unlocking and opening of the visor and of the chin guard, the third engagement means disengage from fourth engagement means thereby allowing the visor to be brought automatically in the open position.
- the guide means of said chin guard comprise a first guide plate of the chin guard rigidly coupled to said shell, a second guide plate rigidly coupled to said chin guard and coupling means between said first guide plate and said second guide plate that guide said second guide plate along a circular trajectory during a first phase of the movement of said chin guard from said closed position to said open position and along a trajectory in rotation and translation during a second phase of movement of said chin guard from said closed position to said open position.
- the coupling means between the first guide plate and the second guide plate form the interface between chin guard and shell, guiding the movement of the chin guard during switching from the closed position to the open position, and vice versa.
- said coupling means between said first guide plate and said second guide plate comprise a third guide plate pivoted on the first guide plate; the second guide plate is advantageously slidingly coupled to said third guide plate, follows its movement of rotation with respect to the shell and is free to slide linearly with respect to it.
- the third guide plate is free to rotate with respect to the shell and the second guide plate, rigidly coupled to the chin guard, follows it in rotation during a first phase of the opening movement of the chin guard; in a second phase of the opening movement of the chin guard, the second guide plate, together with the chin guard rigidly coupled to it, translates linearly with respect to the third guide plate, thus producing the trajectory in rotation and translation of the chin guard described previously.
- said guide means of said visor comprise a visor rotation lever pivoted on a first rotation pin and free to rotate with respect to said shell;
- the automatic opening means for the automatic switching of said visor from said closed position to said open position advantageously comprise elastic means, for example spring means, which are operatively associated with said rotation lever.
- said first guide plate is interposed between said visor rotation lever and said third guide plate; in this case the second locking means of said visor can advantageously comprise first engagement means positioned on said visor rotation lever and engageable with/disengageable from second engagement means positioned on said first guide plate.
- the engagement means on the visor rotation lever and on one of the guide plates of the chin guard opening of the visor takes place automatically following the movement of the chin guard from the open position to the closed position.
- a helmet of modular type for motorcycling according to the present invention, indicated in the various figures with the reference numeral 1, comprises, in its most general embodiment, a shell 10 adapted to surround and protect the upper, rear and lateral parts of the skull of a user.
- the helmet 1 also comprises at least one visor 11 mounted on the shell 10 in correspondence of its front part and movable from a closed position to an open position, and vice versa, through a rotation of the visor 11 about a fixed centre of rotation 61 rigidly coupled to the shell 10.
- the helmet 1 according to the present invention is of modular type and therefore comprises a chin guard 12 connected to said shell 10 and movable with respect to it from a closed position (helmet in full face configuration) to an open position (helmet in jet configuration).
- a first specific characteristic of the helmet 1 according to the present invention is given by the fact that, in the open position, the chin guard 12 is positioned in correspondence of the rear part 101 of said shell 10, thus avoiding the problems of aerodynamic resistance, turbulence and noise of modular helmets of known type.
- front refers to the conditions of normal use of the helmet when worn by the user.
- the modular helmet 1 according to the present invention is mainly characterized for the particular structure, positioning and operation of the means for opening and closing of said visor 11 and said chin guard 12.
- the means for opening and closing of the visor 11 and of the chin guard 12 in fact comprise automatic opening means 2 for the automatic switching of the visor 11 from the closed position to the open position.
- Said automatic opening means 2 can, for example, consist of elastic means, for example spring means, operatively coupled to the visor 11 and which determine its automatic switching from the closed position to the open position.
- the term "automatic” is understood to mean that switching of the visor 11 from the closed position to the open position is not performed manually by the user but takes place autonomously once the visor 11 is unlocked, as better described below.
- the means for opening and closing of the visor also comprise locking means 3 of said visor 11 in said closed position.
- Kinematic mechanisms for unlocking and opening act on said locking means 3, releasing the visor 11 and allowing it to open automatically due to the action of the automatic opening means 2.
- the means for opening and closing of the visor 11 and of the chin guard 12 in fact also comprise a first kinematic mechanism 4 for unlocking and opening of said visor 11 and of said chin guard 12 which allows release of the visor and of the chin guard for the switching from their closed position to their open position.
- the chin guard 12 is then guided in its movement by guide means 5 of said chin guard 12 which confer a circular trajectory with respect to the said shell 10 during a first phase of the movement of said chin guard 12 from the closed position to the open position and a trajectory in rotation and translation with respect to the shell 10 during a second phase of the movement of said chin guard 12 from said closed position to said open position.
- the visor 11 is guided in its movement, which takes place substantially along a circular trajectory, by suitable guide means 6.
- the means for opening and closing of the visor 11 and of the chin guard 12 also comprise a second kinematic mechanism 7 for unlocking and opening of said visor 11 that determines the automatic switching from said closed position to said open position of said visor 11 when said chin guard 12 is brought from its open position to its closed position.
- the modular helmet 1 in full face configuration and in conditions of use, has the visor 11 and the chin guard 12 closed. In these conditions the visor 11 is retained in the closed position by the locking means 3, which prevent it from opening.
- said first kinematic mechanism 4 for unlocking and opening of said visor 11 and of said chin guard 12 preferably comprises at least one button 41 positioned on the chin guard 12 and operatively connected to said visor 11 to unlock this latter from said closed position.
- pressing the button 41 in the direction of the arrow 410 releases the visor 11, which is free to pivot in the direction of the arrow 110 about the pivot pin 61, for example through the action of a spring (not shown in the figure) connected to it, thus moving to its open position.
- a spring not shown in the figure
- the subsequent step consists in unlocking and in the start of the movement of the chin guard 12, acting on the first kinematic mechanism 4 for unlocking and opening.
- said first kinematic mechanism 4 for unlocking and opening of said visor 11 and of said chin guard 12 preferably comprises, as well as a first button 41 positioned on the chin guard 12 and operatively connected to the visor 11 for unlocking this latter, also a second button 42, also positioned on the chin guard 12, which is operatively connected to said first button 41 and actuatable only upon actuation of said first button 41.
- buttons 41 and 42 are easily actuatable using only one hand, for example acting on the button 42 with the thumb and on the button 41 with the index finger (or in any case with one of the other fingers opposite the thumb).
- the trajectory of said chin guard is circular (arrows 120 and 121) about the fixed centre of rotation 500.
- This first phase of movement ends when the chin guard 12 is located at least in substantial correspondence of the top of the shell 10 or, preferably, has moved beyond the top of the shell 10.
- a second phase of the opening movement of the chin guard 12 starts, during which said chin guard 12 is guided along a trajectory in rotation and translation with respect to said shell 10.
- the chin guard 12 continues to rotate about the fixed centre of rotation 500 in the direction of the arrow 122, but simultaneously translates with respect to it along the axis 124 in the direction of the arrow 123.
- the chin guard 12 moves towards the rear part 101 of the shell 10 which ends in the position of Fig. 6 , where the chin guard 12 is completely open and rotates backwards in a position closely adjacent to the rear part 101 of the shell 10.
- the modular helmet 1 according to the present invention is brought into jet configuration and into the conditions of use, with the visor 11 closed and the chin guard 12 open. In these conditions the visor 11 is retained in the closed position by the locking means 3 which prevent it from opening.
- said locking means 3 of the visor 11 in the closed position preferably comprise first locking means 31 of said visor 11 for maintaining said visor 11 in said closed position when the chin guard 12 is in closed position and second locking means 32 of said visor 11 for maintaining the visor 11 in the closed position when said chin guard 12 is in open position.
- said first locking means 31 of the visor 11 preferably comprise third engagement means 313 (for example a detent) positioned on said chin guard 12 and operatively connected to said first kinematic mechanism 4 for unlocking and opening, for example to the button 41.
- Said third engagement means 313 are engageable with and disengageable from fourth engagement means 314 (for example a seat for said detent) which are positioned on said visor 11.
- the third engagement means 313 for example a detent
- fourth engagement means 314 for example a seat for said detent
- said second locking means 32 of said visor 11 preferably comprise first engagement means (described more in detail below) positioned on the guide means of said visor 11 and which are engageable with and disengageable from second engagement means (described in more detail below) positioned on the guide means 5 of said chin guard 12. In this way, the visor 11 can be opened automatically when closing of the chin guard 12 starts.
- a second kinematic mechanism 7 for unlocking and opening of said visor 11 determines the automatic switching from the closed position to the open position of said visor 11 when said chin guard 12 is brought from its open position to its closed position, preventing these situations of potential risk.
- the chin guard 12 when as a result of manual action by the user, the chin guard 12 starts to move, it starts to rotate in the direction of the arrow 125 and to translate in the direction of the arrow 126, in the opposite way to the second phase of the opening movement (see Fig. 5 ).
- This initial movement triggers the kinematic mechanism 7 for unlocking and opening of the visor 11 (an example of which will be described in detail below) which releases the visor 11 allowing it to automatically open in the direction of the arrow 110 as a result of the automatic opening means 2.
- the trajectory of the chin guard 12 from the open position to the closed position is therefore free from obstructions and said chin guard 12 can therefore reach its closed position (corresponding to that of Fig. 2 ) without there being interference between it and the visor 11.
- said guide means 5 of the chin guard 12 preferably comprise a first guide plate 51 of the chin guard 12 which is rigidly coupled to said shell 10.
- a plate 8 for coupling to the shell 10 that houses and allows fixing of the various components of the mechanism. Therefore, in this case said first guide plate 51 is coupled to said shell 10 through a fixing hole 81 provided in said plate 8 for coupling to the shell.
- the guide means 5 of the chin guard 12 also comprise a second guide plate 52 which is rigidly coupled to said chin guard 12 and coupling means 50 between said first guide plate 51 and said second guide plate 52.
- Said coupling means 50 guide said second guide plate 52 (and consequently the chin guard 12 rigidly coupled to it) along a circular trajectory about a fixed centre of rotation 500 present on said first plate 51, during a first phase of the movement of said chin guard 12 from said closed position to said open position, and along a trajectory in rotation and translation with respect to said fixed rotation centre 500 during a second phase of the movement of said chin guard 12 from said closed position to said open position.
- said coupling means 50 between said first guide plate 51 and said second guide plate 52 comprise a third guide plate 53 that is pivoted on the first guide plate 51 in correspondence of the fixed centre of rotation 500, for example by means of a hole 531 provided in it.
- the first guide plate 51 also has a circular guiding edge 501 and a groove 502 provided in its body.
- the second guide plate 52 is slidingly coupled to said third guide plate 53.
- said third guide plate 53 has sliding seats 532 and 533 adapted to house corresponding lateral ribs 522 (visible only on one side) of the second guide plate 52 that are free to slide in said sliding seat.
- the second plate 52 follows said third guide plate 53 during its movement of rotation with respect to said shell 10 (about the fixed centre of rotation 500) and is free to slide linearly with respect to it.
- the second guide plate 52 also has a groove 521 for operatively coupling with the fixed centre of rotation 500, for example through a bushing 520, and is therefore free to rotate and translate with respect to said fixed centre of rotation 500. Moreover, the second guide plate 52 has a lateral boss for coupling to the first guide plate 51, in particular to its circular guiding edge 501 and to its groove 502.
- the first guide plate 51 is always rigidly coupled to the shell 10, while the second guide plate 52 is always rigidly coupled to the chin guard 12.
- the second 52 and the third 53 guide plate rotate together about the fixed centre of rotation 500 (more in particular about the bushing 520); in fact, in this situation the second plate 52 cannot translate with respect to the third plate 53 as it is retained by the lateral boss 525 that slides along the circular guiding edge 501 of the first plate 51.
- the lateral boss of the second guide plate 52 Upon reaching the position of Fig. 12 , the lateral boss of the second guide plate 52 is in correspondence of the start of the groove 502. In this situation, the second guide plate 52 is free to slide with respect to the third plate 53 and starts to translate along the axis 124 ( Fig. 13 ), with sliding of the lateral boss of the second guide plate 52 in the groove 502 of the first plate 51, and of the bushing 520 in the groove 521 of the second plate 52. Consequently, also the chin guard 12, which is rigidly coupled to the second plate 52, translates with respect to the shell 10, moving towards its rear part 101.
- the guide means 6 of said visor 11 comprise a visor rotation lever 60 which is pivoted and free to rotate with respect to said shell 10 on a first pivot pin 61 for example through a hole 601 provided in the body of said lever 60.
- the centre of rotation of the visor rotation lever 60 is conveniently offset with respect to the centre of rotation 500 of the chin guard 12.
- Said lever 60 therefore preferably has an opening 602 to allow it to move with respect to the centre of rotation 500 of the chin guard 12.
- the visor rotation lever 60 also has a pin 603 that can be used as guide pin of the lever 60 and/or as fixing point of elastic means, for example spring means (not shown in the figure), for the automatic opening of said visor 11.
- the fixing point of the automatic opening means 2 for the automatic switching of said visor 11 from said closed position to said open position can however be varied as a function of requirements and of the type of spring used.
- the first guide plate 51 is interposed between said visor rotation lever 60 and said third guide plate 53.
- the second locking means 32 of the visor 11 comprise first engagement means 321 that are positioned on said visor rotation lever 60 and engageable with/disengageable from second engagement means 322 positioned on said first guide plate 51.
- the first engagement means consist of an opening 321 provided in the body of the lever 60
- the second engagement means consist of an elastic detent 322 provided in the body of the first guide plate 51 and adapted to engage in said opening 321.
- the elastic detent 322 is pressed towards the lever 60 by the surface 534 of the third guide plate 53.
- the lever 60 rotates to the right and the detent 322 slides on the surface of the lever 60 until it is in correspondence of the opening 321.
- the detent 322 is forced to enter the opening 321 as a result of the pressure exerted by the surface 534 of the third guide plate 53, maintaining the visor 11 locked in closed position.
- Unlocking of the visor 11 through the second unlocking kinematic mechanism 7 occurs automatically when starting to open the chin guard 12.
- this opening causes a rotation of the third guide plate 53 to the right; consequently, the elastic detent 322 is not pressed towards the lever 60 by the surface 534 of the third guide plate 53 and is free to move away from it, disengaging from the opening 321.
- the lever 60 is no longer retained and can rotate freely to the left, for example as a result of spring means, determining the automatic opening of the visor 11.
- opening of the visor 11 is totally automatic, given that its movement does not require the constant manual action by the user but is triggered automatically by the closing movement of the chin guard.
- the modular helmet according to the present invention due to the particular trajectory followed by the chin guard during its opening/closing, prevents the problems of resistance to air and of noise typical of helmets of known type.
- the full face configuration it is like a normal full face helmet, while in jet configuration the chin guard is closely adjacent to the rear part of the shell, all with a mechanism that is relatively easy to produce and undoubtedly simple to use.
- the means for the automatic unlocking and opening of the visor can in fact be used immediately and simply by the user.
- the automatic opening of the visor when passing from jet configuration to full face configuration prevents any interference between visor and chin guard during the closing of this latter, thus eliminating all risk of obstructing or limiting the user's visibility as a result of the chin guard stopping in intermediate position.
- the materials used, the dimensions and contingent shapes can be any according to requirements and to the state of the art.
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- Helmets And Other Head Coverings (AREA)
Abstract
Description
- The present invention relates to a helmet for motorcycling, and more in particular to a helmet for motorcycling of modular type that can be homologated and can be used both in full face configuration and in jet configuration.
- As it is known, a particular type of helmet for motorcycling consists of modular helmets having the characteristic of being able to be used as full face helmets or as jet helmets and that are homologated for both configurations. For this purpose, modular helmets are equipped with a chin guard that is not produced in once piece with the shell, but is a separate piece that can rotate with respect to the shell, moving upward and releasing the mandibular region of the user, in this way transforming the helmet from full face to jet, and vice versa.
- Modular helmets, being reversibly transformable from full face to jet and vice versa, offer a good compromise between safety and comfort, but are considerably heavier and bulkier than jet and full face helmets and, above all when riding with the chin guard open, noisy and uncomfortable, due to the significant sail effect exerted by the chin guard in open position. In fact, in the majority of cases, once open, the chin guard is located in correspondence of the frontal or upper region of the user's skull, offering noteworthy aerodynamic resistance during movement. Consequently, a pressure is generated on the helmet and accordingly on the user, who is obliged to tense the neck muscles to oppose the effect of this pressure, without forgetting the decidedly annoying noise generated by air turbulence around the open chin guard.
- To solve this problem, helmets have been proposed in which, once opened, the chin guard is brought in correspondence of the rear part of the shell. In this case, to avoid interference between chin guard and visor during the opening movement, the arc of rotation of the chin guard during switching from the closed position to the open position, and vice versa, must be relatively wide. Accordingly, the chin guard, in the open position, projects even substantially from the rear part of the shell. Therefore, the problems of noise generated by air turbulence are always present, while the problems of air pressure on the chin guard, and consequently on the helmet, remain, albeit to a lesser extent with respect to the preceding case. The patent application
EP-TO-1806986 by Shark SA proposes a helmet for motorcycling which attempts to find a solution to these problems through an opening mechanism of the chin guard that includes: - a first phase of movement of the chin guard away from the shell, by sliding the chin guard forward with respect to the shell (i.e. in longitudinal direction) while simultaneously widening the side flaps of the chin guard towards the outside (i.e. in transverse direction);
- a second phase of rotation of the chin guard with respect to the shell along a substantially circular trajectory;
- a third phase of moving the chin guard towards the shell, in which the chin guard slides longitudinally with respect to the shell and its side flaps are made to return in transverse direction with respect to the shell.
- In this way the chin guard in the open position adheres sufficiently to the shell to reduce the problems described previously.
- However, this solution is somewhat complex from the point of view of construction and the movement is awkward for the user to perform. Moreover, problems of safety also exist as, during switching from jet configuration to full face configuration, if the user attempts to close the chin guard without first opening the visor, the chin guard interferes with the visor, essentially stopping in correspondence of the user's eyes and creating a situation of significant risk for the user as it obstructs the line of vision.
- It is therefore evident that the modular helmets for motorcycling of known type have a series of problems that make their use not always ideal.
- Based on these considerations, the main aim of the present invention is to provide a helmet for motorcycling of modular type that solves the drawbacks and problems described above.
- Within this aim, an object of the present invention is to provide a helmet for motorcycling of modular type, which reduces the negative aerodynamic effects when travelling with the chin guard open.
- Another aim of the present invention is to provide a helmet of modular type for motorcycling in which turbulence and noise are reduced.
- Another aim of the present invention is to provide a helmet of modular type for motorcycling, in which interference between visor and chin guard are prevented during the opening and closing movement of this latter.
- Another object of the present invention is to provide a helmet of modular type for motorcycling that is provided with relatively simple kinematic mechanisms for opening and closing the chin guard and the visor.
- Another object of the present invention is to provide a helmet of modular type for motorcycling in which switching from full face to jet configuration can be easily and rapidly implemented by the user.
- One more object of the present invention is to provide a helmet of modular type for motorcycling that is safe and in which locking of the chin guard in positions that would to obstruct or reduce the user's visibility is prevented.
- Yet another object of the present invention is to provide a helmet of modular type for motorcycling which is highly reliable and easy to produce at competitive costs.
- This aim, and these and other objects that will be more apparent below, are achieved through a helmet for motorcycling comprising a shell, at least one visor mounted on said shell and movable in rotation with respect to said shell from a closed position to an open position and vice versa, and a chin guard connected to said shell and movable with respect to it from a closed position to an open position in correspondence of the rear part of said shell, characterized in that it comprises means for opening and closing of said visor and said chin guard comprising:- automatic opening means for the automatic switching of said visor from said closed position to said open position;
- locking means of said visor in said closed position;
- a first kinematic mechanism for unlocking and opening of said visor and said chin guard;
- guide means of said chin guard which confer a circular trajectory to said chin guard relative to said shell during a first phase of the movement of the said chin guard from said closed position to said open position and a trajectory in rotation and translation with respect to said shell during a second phase of movement of said chin guard from said closed position to said open position, and guide means of said visor;
- a second kinematic mechanism for unlocking and opening of said visor that determines the automatic switching from said closed position to said open position of said visor when said chin guard is brought from its open position to its closed position.
- In fact, it has been seen that a helmet of modular type for motorcycling thus conceived has a plurality of features and properties that enable the drawbacks and problems described above to be overcome.
- In particular, it has been seen that the guide means of the chin guard which confer a circular trajectory on it during a first phase of the opening movement and a trajectory in rotation and translation with respect to the shell during a second phase of the opening movement make it possible to obtain a helmet in jet configuration in which the chin guard is closely adjacent to the rear part of the shell eliminating, or at least greatly limiting, the negative aerodynamic effects in terms of air pressure and noise generated by turbulence.
- Moreover, as better explained below, the locking/unlocking mechanism of the visor and of the chin guard is relatively simple and easy to use by the user. At the same time, the fact that the second kinematic mechanism for unlocking and opening of the visor allows automatic switching from the closed position to the open position of the visor when the chin guard is closed ensures absolute safety, as all interference between visor and chin guard during said operation is avoided.
- In a greatly preferred embodiment of the helmet for motorcycling of modular type, according to the present invention, said first kinematic mechanism for unlocking and opening of said visor and of said chin guard comprises at least one button positioned on said chin guard and operatively connected to said visor for unlocking of said visor from said closed position. Following actuation of this button, the visor is brought automatically to the open position due to the presence of the automatic opening means of said visor and use by the user is greatly simplified with respect to helmets of known type in which the whole opening operation is normally performed manually.
- For the objects of the present invention, the term "button " is understood to mean any device, for example a key, a lever, a knob, or similar devices, that can be actuated manually by the user and that is able to transfer the actuation command to the kinematic mechanisms and operating devices connected to it.
- The automatic opening means of the visor preferably comprise elastic means, for example spring means, which are operatively coupled to the visor and to the shell and determine the movement of the visor from the closed position to the open position of the visor when the visor is not retained in closed position by the visor locking means. Switching of the visor from the open position to the closed position is instead performed manually by the user, who acts manually on the visor and, overcoming the resistance of the elastic means, brings the visor into the closed position where it is retained by the locking means.
- The elastic force exerted by the elastic means can advantageously be chosen as a function of the required opening speed of the visor, or of the force required to overcome the resistance of the elastic means to return the visor to the closed position. In any case, damping means can be provided to slow the visor during the final phase of opening and reduce the impact force that is generated when movement of the visor stops.
- Preferably, said first kinematic mechanism for unlocking and opening of said visor and said chin guard comprises a first button positioned on the chin guard and operatively connected to the visor for unlocking of said visor from its closed position.
- More preferably, the first kinematic mechanism for unlocking comprises a first button and a second button. As in the previous case, said first button is operatively connected to the visor for unlocking of said visor from said closed position, while the second button, also positioned on said chin guard, is operatively connected to said first button and is actuatable only upon actuation of said first button.
- In practice, according to this embodiment, actuation of the first button allows unlocking and consequently automatic opening of the visor as described previously, while the second button allows unlocking and subsequent opening of the chin guard; the second button cannot be actuated unless the first button is actuated first, thus preventing situations of potential interference between visor and chin guard during the opening of this latter. These functions can be obtained, instead of with two buttons, with a single button that has a double actuation position: a first position that allows unlocking of the visor and a second position, which can be reached only after the first, that allows unlocking of the chin guard.
- In order to maintain the visor in closed position in the different configurations (jet or full face), in a particular embodiment of the helmet for motorcycling of modular type according to the present invention said locking means of said visor in said closed position comprise first visor locking means for maintaining said visor in said closed position when the chin guard is in closed position and second visor locking means for maintaining said visor in closed position when the chin guard is in open position. Some examples of embodiment of said first and second locking mechanisms of the visor will be described in more detail later in the present description.
- For example, said second locking means of said visor comprise first engagement means positioned on the guide means of said visor engageable with and disengageable from second engagement means positioned on the guide means of said chin guard. In this way, as better described below, it is possible to produce a coordinated action between the closing movement of the chin guard and the opening movement of the visor, so that this latter takes place automatically when movement of the chin guard from the open position to the closed position starts.
- Moreover, preferably, said first locking means of said visor comprise third engagement means that are positioned on said chin guard and are operatively connected to said first kinematic mechanism for unlocking and opening: said third engagement means are engageable with and disengageable from fourth engagement means positioned on said visor. In practice, according to a possible embodiment, the visor in the full face helmet configuration is maintained closed by the third engagement means positioned on the chin guard that engage the fourth engagement means positioned on the visor; acting on the first kinematic mechanism for unlocking and opening of the visor and of the chin guard, the third engagement means disengage from fourth engagement means thereby allowing the visor to be brought automatically in the open position.
- In a particularly preferred embodiment of the helmet for motorcycling of modular type according to the present invention, the guide means of said chin guard comprise a first guide plate of the chin guard rigidly coupled to said shell, a second guide plate rigidly coupled to said chin guard and coupling means between said first guide plate and said second guide plate that guide said second guide plate along a circular trajectory during a first phase of the movement of said chin guard from said closed position to said open position and along a trajectory in rotation and translation during a second phase of movement of said chin guard from said closed position to said open position. In practice, in this embodiment, the coupling means between the first guide plate and the second guide plate form the interface between chin guard and shell, guiding the movement of the chin guard during switching from the closed position to the open position, and vice versa.
- In this embodiment, preferably, said coupling means between said first guide plate and said second guide plate comprise a third guide plate pivoted on the first guide plate; the second guide plate is advantageously slidingly coupled to said third guide plate, follows its movement of rotation with respect to the shell and is free to slide linearly with respect to it. In practice, as better described below, the third guide plate is free to rotate with respect to the shell and the second guide plate, rigidly coupled to the chin guard, follows it in rotation during a first phase of the opening movement of the chin guard; in a second phase of the opening movement of the chin guard, the second guide plate, together with the chin guard rigidly coupled to it, translates linearly with respect to the third guide plate, thus producing the trajectory in rotation and translation of the chin guard described previously. Preferably, said guide means of said visor comprise a visor rotation lever pivoted on a first rotation pin and free to rotate with respect to said shell; in this embodiment, the automatic opening means for the automatic switching of said visor from said closed position to said open position advantageously comprise elastic means, for example spring means, which are operatively associated with said rotation lever.
- In a particularly preferred embodiment of a helmet for motorcycling of modular type according to the present invention, said first guide plate is interposed between said visor rotation lever and said third guide plate; in this case the second locking means of said visor can advantageously comprise first engagement means positioned on said visor rotation lever and engageable with/disengageable from second engagement means positioned on said first guide plate. In this way, as will be more apparent below, due to suitable positioning of the engagement means on the visor rotation lever and on one of the guide plates of the chin guard, opening of the visor takes place automatically following the movement of the chin guard from the open position to the closed position.
- Further characteristics and advantages of the present invention will be more apparent from the description of preferred, but not exclusive, embodiments of a protective helmet, in particular a helmet for motorcycling, shown by way of example in the accompanying drawings, wherein:
-
Fig. 1 shows a side view of an embodiment of a helmet for motorcycling of modular type, according to the present invention, with visor closed and chin guard closed (helmet in full face configuration); -
Fig. 2 shows a side view of the embodiment of a helmet for motorcycling according toFig. 1 , with visor unlocked and open and with chin guard closed; -
Fig. 3 shows a side view of the embodiment of a helmet for motorcycling according toFig. 1 , with visor open and with chin guard unlocked and at the start of its opening movement with circular trajectory with respect to the shell; -
Fig. 4 shows a side view of the embodiment of a helmet for motorcycling according toFig. 1 , with visor open and with chin guard in an intermediate phase of its opening movement, at the end of its circular trajectory; -
Fig. 5 shows a side view of the embodiment of a helmet for motorcycling according toFig. 1 , with visor open and with chin guard in a final phase of its opening movement, with trajectory in rotation and translation with respect to the shell; -
Fig. 6 shows a side view of the embodiment of a helmet for motorcycling according toFig. 1 , with visor open and with chin guard open in correspondence of the rear part of the shell; -
Fig. 7 shows a side view of the embodiment of a helmet for motorcycling according toFig. 1 , with visor closed and with chin guard open (helmet in jet configuration); -
Fig. 8 shows a side view of the embodiment of a helmet for motorcycling according toFig. 1 , with visor unlocked and open following the start of the movement of the chin guard from its open position towards its closed position; -
Fig. 9 shows an exploded view of an embodiment of the components of the guide means of the chin guard and of the visor in a helmet for motorcycling according to the present invention; -
Fig. 10 shows the operation of the guide means of the chin guard represented inFig. 9 , in correspondence of the operating position shown inFig. 2 ; -
Fig. 11 shows the operation of the guide means of the chin guard ofFig. 9 , in correspondence of the operating position shown inFig. 3 ; -
Fig. 12 shows the operation of the guide means of the chin guard represented inFig. 9 , in correspondence of the operating position shown inFig. 4 ; -
Fig. 13 shows the operation of the guide means of the chin guard represented inFig. 9 , in correspondence of the operating position shown inFig. 5 ; -
Fig. 14 shows the operation of the guide means of the chin guard represented inFig. 9 , in correspondence of the operating position shown inFig. 6 ; -
Fig. 15 shows an exploded view of an embodiment of the components of the second locking means and of the kinematic mechanism for unlocking and opening of said visor. - With reference to accompanying figures, a helmet of modular type for motorcycling according to the present invention, indicated in the various figures with the
reference numeral 1, comprises, in its most general embodiment, ashell 10 adapted to surround and protect the upper, rear and lateral parts of the skull of a user. Thehelmet 1 also comprises at least onevisor 11 mounted on theshell 10 in correspondence of its front part and movable from a closed position to an open position, and vice versa, through a rotation of thevisor 11 about a fixed centre ofrotation 61 rigidly coupled to theshell 10. - The
helmet 1 according to the present invention is of modular type and therefore comprises achin guard 12 connected to saidshell 10 and movable with respect to it from a closed position (helmet in full face configuration) to an open position (helmet in jet configuration). A first specific characteristic of thehelmet 1 according to the present invention is given by the fact that, in the open position, thechin guard 12 is positioned in correspondence of therear part 101 of saidshell 10, thus avoiding the problems of aerodynamic resistance, turbulence and noise of modular helmets of known type. - For the objects of the present invention, the terms "front", "upper", "rear" and "lateral" refer to the conditions of normal use of the helmet when worn by the user.
- The
modular helmet 1 according to the present invention is mainly characterized for the particular structure, positioning and operation of the means for opening and closing of saidvisor 11 and saidchin guard 12. - The means for opening and closing of the
visor 11 and of thechin guard 12 in fact comprise automatic opening means 2 for the automatic switching of thevisor 11 from the closed position to the open position. Said automatic opening means 2 can, for example, consist of elastic means, for example spring means, operatively coupled to thevisor 11 and which determine its automatic switching from the closed position to the open position. - For the purposes of the present invention, the term "automatic" is understood to mean that switching of the
visor 11 from the closed position to the open position is not performed manually by the user but takes place autonomously once thevisor 11 is unlocked, as better described below. - In order to maintain the
visor 11 in closed position opposing the effect of the automatic opening means 2, the means for opening and closing of the visor also comprise locking means 3 of saidvisor 11 in said closed position. Kinematic mechanisms for unlocking and opening, described below, act on said locking means 3, releasing thevisor 11 and allowing it to open automatically due to the action of the automatic opening means 2. - The means for opening and closing of the
visor 11 and of thechin guard 12 in fact also comprise a firstkinematic mechanism 4 for unlocking and opening of saidvisor 11 and of saidchin guard 12 which allows release of the visor and of the chin guard for the switching from their closed position to their open position. - The
chin guard 12 is then guided in its movement by guide means 5 of saidchin guard 12 which confer a circular trajectory with respect to the saidshell 10 during a first phase of the movement of saidchin guard 12 from the closed position to the open position and a trajectory in rotation and translation with respect to theshell 10 during a second phase of the movement of saidchin guard 12 from said closed position to said open position. - In the same way, the
visor 11 is guided in its movement, which takes place substantially along a circular trajectory, by suitable guide means 6. - Another particular characteristic of the
modular helmet 1 according to the present invention is given by the fact that the means for opening and closing of thevisor 11 and of thechin guard 12 also comprise a secondkinematic mechanism 7 for unlocking and opening of saidvisor 11 that determines the automatic switching from said closed position to said open position of saidvisor 11 when saidchin guard 12 is brought from its open position to its closed position. - In detail, with reference to the embodiment of
Fig.1 , themodular helmet 1 according to the present invention, in full face configuration and in conditions of use, has thevisor 11 and thechin guard 12 closed. In these conditions thevisor 11 is retained in the closed position by the locking means 3, which prevent it from opening. - From this configuration, acting on the first
kinematic mechanism 4 for unlocking and opening of saidvisor 11 and of saidchin guard 12 it is possible to perform automatic opening of thevisor 11. For this purpose, with reference toFig. 2 , said firstkinematic mechanism 4 for unlocking and opening of thevisor 11 and of thechin guard 12 preferably comprises at least onebutton 41 positioned on thechin guard 12 and operatively connected to saidvisor 11 to unlock this latter from said closed position. In practice, in this embodiment, pressing thebutton 41 in the direction of thearrow 410 releases thevisor 11, which is free to pivot in the direction of thearrow 110 about thepivot pin 61, for example through the action of a spring (not shown in the figure) connected to it, thus moving to its open position. It must be noted that no manual action is required by the user to move thevisor 11, given that the movement takes place solely as a result of the automatic opening means 2. - The subsequent step consists in unlocking and in the start of the movement of the
chin guard 12, acting on the firstkinematic mechanism 4 for unlocking and opening. With reference to the embodiment ofFig.3 , said firstkinematic mechanism 4 for unlocking and opening of saidvisor 11 and of saidchin guard 12 preferably comprises, as well as afirst button 41 positioned on thechin guard 12 and operatively connected to thevisor 11 for unlocking this latter, also asecond button 42, also positioned on thechin guard 12, which is operatively connected to saidfirst button 41 and actuatable only upon actuation of saidfirst button 41. Alternatively, as already mentioned above, it is possible to use only one button with a double actuation position: a first position that allows unlocking of thevisor 11 and a second position, that can only be reached after having reached the first and that allows unlocking of thechin guard 12. - In practice, with reference to
Fig. 3 , by pressing and holding thefirst button 41, this acts on thesecond button 42 in the direction of thearrow 420 to unlock thechin guard 12. The action on thesecond button 42 is not possible without actuating the button 41 (which releases the visor), thereby preventing opening of thechin guard 12 when thevisor 11 is closed. At this point, it is possible to start to open thechin guard 12 by manually rotating it about the centre ofrotation 500 in the direction of thearrow 120. As can be seen clearly from the accompanying figures, in this embodiment thebuttons button 42 with the thumb and on thebutton 41 with the index finger (or in any case with one of the other fingers opposite the thumb). - With reference to
Fig. 4 , during a first phase of switching of thechin guard 12 from the closed position to the open position, the trajectory of said chin guard is circular (arrows 120 and 121) about the fixed centre ofrotation 500. This first phase of movement ends when thechin guard 12 is located at least in substantial correspondence of the top of theshell 10 or, preferably, has moved beyond the top of theshell 10. - At this point a second phase of the opening movement of the
chin guard 12 starts, during which saidchin guard 12 is guided along a trajectory in rotation and translation with respect to saidshell 10. In particular, with reference toFig. 5 , during this second phase, thechin guard 12 continues to rotate about the fixed centre ofrotation 500 in the direction of thearrow 122, but simultaneously translates with respect to it along theaxis 124 in the direction of thearrow 123. - Therefore, the
chin guard 12 moves towards therear part 101 of theshell 10 which ends in the position ofFig. 6 , where thechin guard 12 is completely open and rotates backwards in a position closely adjacent to therear part 101 of theshell 10. - From this situation, with reference to
Fig. 7 , by lowering thevisor 11 in the direction of thearrow 110, themodular helmet 1 according to the present invention is brought into jet configuration and into the conditions of use, with thevisor 11 closed and thechin guard 12 open. In these conditions thevisor 11 is retained in the closed position by the locking means 3 which prevent it from opening. - In the
modular helmet 1 according to the present invention, said locking means 3 of thevisor 11 in the closed position preferably comprise first locking means 31 of saidvisor 11 for maintaining saidvisor 11 in said closed position when thechin guard 12 is in closed position and second locking means 32 of saidvisor 11 for maintaining thevisor 11 in the closed position when saidchin guard 12 is in open position. - With reference again to
Figs. 1 and2 , in which thechin guard 12 is in the closed position, said first locking means 31 of thevisor 11 preferably comprise third engagement means 313 (for example a detent) positioned on saidchin guard 12 and operatively connected to said firstkinematic mechanism 4 for unlocking and opening, for example to thebutton 41. Said third engagement means 313 are engageable with and disengageable from fourth engagement means 314 (for example a seat for said detent) which are positioned on saidvisor 11. Acting on the firstkinematic mechanism 4 for unlocking and opening (for example the button 41) the third engagement means 313 (for example a detent) disengage from fourth engagement means 314 (for example a seat for said detent), releasing the visor which is free to open as a result of the automatic opening means 2 (for example a spring). - With reference to
Fig. 7 and8 , in which thechin guard 12 is in closed position, said second locking means 32 of saidvisor 11 preferably comprise first engagement means (described more in detail below) positioned on the guide means of saidvisor 11 and which are engageable with and disengageable from second engagement means (described in more detail below) positioned on the guide means 5 of saidchin guard 12. In this way, thevisor 11 can be opened automatically when closing of thechin guard 12 starts. - In fact, as mentioned previously, one of the main problems of modular helmets of known type is given by the possible interference between visor and chin guard when switching from the jet configuration to the full face configuration, forgetting to open the visor. In fact, with reference to
Fig. 7 , when attempting to switch from the configuration represented in this figure to the full face helmet configuration closing thechin guard 12, it is evident that said chin guard will stop against the visor 11 (which is lowered) substantially in correspondence of the user's eyes, obstructing or greatly limiting the line of vision. - In the
modular helmet 1 according to the present invention, a secondkinematic mechanism 7 for unlocking and opening of saidvisor 11 determines the automatic switching from the closed position to the open position of saidvisor 11 when saidchin guard 12 is brought from its open position to its closed position, preventing these situations of potential risk. - In practice, with reference to
Fig. 8 , when as a result of manual action by the user, thechin guard 12 starts to move, it starts to rotate in the direction of thearrow 125 and to translate in the direction of thearrow 126, in the opposite way to the second phase of the opening movement (seeFig. 5 ). This initial movement triggers thekinematic mechanism 7 for unlocking and opening of the visor 11 (an example of which will be described in detail below) which releases thevisor 11 allowing it to automatically open in the direction of thearrow 110 as a result of the automatic opening means 2. The trajectory of thechin guard 12 from the open position to the closed position is therefore free from obstructions and saidchin guard 12 can therefore reach its closed position (corresponding to that ofFig. 2 ) without there being interference between it and thevisor 11. - In the aforesaid
Figs. 1-8 , some components of the various kinematic mechanisms and mechanisms are represented in transparent views for a better understanding of their operation. - With reference to
Fig. 9 , there will now be described an example of embodiment of the guide means 5 of saidchin guard 12 in amodular helmet 1 according to the present invention. - In this embodiment, said guide means 5 of the
chin guard 12 preferably comprise afirst guide plate 51 of thechin guard 12 which is rigidly coupled to saidshell 10. Preferably, in this embodiment, it is also possible to provide a plate 8 for coupling to theshell 10 that houses and allows fixing of the various components of the mechanism. Therefore, in this case saidfirst guide plate 51 is coupled to saidshell 10 through a fixing hole 81 provided in said plate 8 for coupling to the shell. - The guide means 5 of the
chin guard 12 also comprise asecond guide plate 52 which is rigidly coupled to saidchin guard 12 and coupling means 50 between saidfirst guide plate 51 and saidsecond guide plate 52. Said coupling means 50 guide said second guide plate 52 (and consequently thechin guard 12 rigidly coupled to it) along a circular trajectory about a fixed centre ofrotation 500 present on saidfirst plate 51, during a first phase of the movement of saidchin guard 12 from said closed position to said open position, and along a trajectory in rotation and translation with respect to said fixedrotation centre 500 during a second phase of the movement of saidchin guard 12 from said closed position to said open position. - More in particular, said coupling means 50 between said
first guide plate 51 and saidsecond guide plate 52 comprise athird guide plate 53 that is pivoted on thefirst guide plate 51 in correspondence of the fixed centre ofrotation 500, for example by means of ahole 531 provided in it. Thefirst guide plate 51 also has acircular guiding edge 501 and agroove 502 provided in its body. - The
second guide plate 52 is slidingly coupled to saidthird guide plate 53. For this purpose, saidthird guide plate 53 has slidingseats second guide plate 52 that are free to slide in said sliding seat. In this way, thesecond plate 52 follows saidthird guide plate 53 during its movement of rotation with respect to said shell 10 (about the fixed centre of rotation 500) and is free to slide linearly with respect to it. - The
second guide plate 52 also has agroove 521 for operatively coupling with the fixed centre ofrotation 500, for example through abushing 520, and is therefore free to rotate and translate with respect to said fixed centre ofrotation 500. Moreover, thesecond guide plate 52 has a lateral boss for coupling to thefirst guide plate 51, in particular to itscircular guiding edge 501 and to itsgroove 502. - Operation of the guide means 5 of the
chin guard 12 will now be described with reference toFigs. 10-14 , which correspond to the operating positions ofFigs. 2-6 . In these figures, the various components of the guide means 5 are represented in a transparent view for greater clarity. - Starting from the situation of
Fig. 10 (chin guard closed), thefirst guide plate 51 is always rigidly coupled to theshell 10, while thesecond guide plate 52 is always rigidly coupled to thechin guard 12. - During a first phase of the opening movement of the chin guard 12 (
Figs. 11 and 12 ), the second 52 and the third 53 guide plate rotate together about the fixed centre of rotation 500 (more in particular about the bushing 520); in fact, in this situation thesecond plate 52 cannot translate with respect to thethird plate 53 as it is retained by the lateral boss 525 that slides along thecircular guiding edge 501 of thefirst plate 51. Thechin guard 12, rigidly coupled to thesecond plate 52, therefore also rotates along a circular trajectory with respect to theshell 10. - Upon reaching the position of
Fig. 12 , the lateral boss of thesecond guide plate 52 is in correspondence of the start of thegroove 502. In this situation, thesecond guide plate 52 is free to slide with respect to thethird plate 53 and starts to translate along the axis 124 (Fig. 13 ), with sliding of the lateral boss of thesecond guide plate 52 in thegroove 502 of thefirst plate 51, and of thebushing 520 in thegroove 521 of thesecond plate 52. Consequently, also thechin guard 12, which is rigidly coupled to thesecond plate 52, translates with respect to theshell 10, moving towards itsrear part 101. - In the position of
Fig. 14 , the lateral boss of thesecond guide plate 52 is inserted to the bottom of thegroove 502 of thefirst plate 51, sliding of thesecond plate 52 in thethird plate 53 is complete, and thechin guard 12 is closely adjacent to therear part 101 of theshell 10. - The closing movement of the
chin guard 12 takes place in the same way, repeating the various steps of the sequence illustrated in reverse order. - With reference to
Fig. 15 , in a preferred embodiment of themodular helmet 1 according to the present invention the guide means 6 of saidvisor 11 comprise avisor rotation lever 60 which is pivoted and free to rotate with respect to saidshell 10 on afirst pivot pin 61 for example through ahole 601 provided in the body of saidlever 60. - The centre of rotation of the
visor rotation lever 60 is conveniently offset with respect to the centre ofrotation 500 of thechin guard 12. Saidlever 60 therefore preferably has anopening 602 to allow it to move with respect to the centre ofrotation 500 of thechin guard 12. - In this embodiment the
visor rotation lever 60 also has apin 603 that can be used as guide pin of thelever 60 and/or as fixing point of elastic means, for example spring means (not shown in the figure), for the automatic opening of saidvisor 11. The fixing point of the automatic opening means 2 for the automatic switching of saidvisor 11 from said closed position to said open position (for example of spring means) can however be varied as a function of requirements and of the type of spring used. - Again with reference to
Fig. 15 , there will now be described a particular embodiment of the second locking means 32 of thevisor 11 which can be used to maintain saidvisor 11 in the closed position when saidchin guard 12 is in open position, and a particular embodiment of the secondkinematic mechanism 7 for unlocking and opening of saidvisor 11 that determines the automatic switching from the closed position to the open position of thevisor 11 when saidchin guard 12 is brought from its open position to its closed position. - In this embodiment, the
first guide plate 51 is interposed between saidvisor rotation lever 60 and saidthird guide plate 53. The second locking means 32 of thevisor 11 comprise first engagement means 321 that are positioned on saidvisor rotation lever 60 and engageable with/disengageable from second engagement means 322 positioned on saidfirst guide plate 51. In practice, in this embodiment the first engagement means consist of an opening 321 provided in the body of thelever 60, while the second engagement means consist of anelastic detent 322 provided in the body of thefirst guide plate 51 and adapted to engage in said opening 321. - When the
chin guard 12 is in open position, theelastic detent 322 is pressed towards thelever 60 by thesurface 534 of thethird guide plate 53. In this situation, when thevisor 11 is closed, thelever 60 rotates to the right and thedetent 322 slides on the surface of thelever 60 until it is in correspondence of the opening 321. At this point, corresponding to avisor 11 closed position, thedetent 322 is forced to enter the opening 321 as a result of the pressure exerted by thesurface 534 of thethird guide plate 53, maintaining thevisor 11 locked in closed position. - Unlocking of the
visor 11 through the second unlockingkinematic mechanism 7 occurs automatically when starting to open thechin guard 12. In fact, this opening causes a rotation of thethird guide plate 53 to the right; consequently, theelastic detent 322 is not pressed towards thelever 60 by thesurface 534 of thethird guide plate 53 and is free to move away from it, disengaging from the opening 321. At this point, thelever 60 is no longer retained and can rotate freely to the left, for example as a result of spring means, determining the automatic opening of thevisor 11. - It is therefore evident that with the
modular helmet 1 according to the present invention opening of thevisor 11 is totally automatic, given that its movement does not require the constant manual action by the user but is triggered automatically by the closing movement of the chin guard. - Based on the description above, it has been seen how the helmet for motorcycling according to the present invention achieves the aims and objects set.
- The modular helmet according to the present invention, due to the particular trajectory followed by the chin guard during its opening/closing, prevents the problems of resistance to air and of noise typical of helmets of known type. In fact, in the full face configuration it is like a normal full face helmet, while in jet configuration the chin guard is closely adjacent to the rear part of the shell, all with a mechanism that is relatively easy to produce and undoubtedly simple to use.
- The means for the automatic unlocking and opening of the visor, whether in full face configuration or in jet configuration, can in fact be used immediately and simply by the user.
- Moreover, the automatic opening of the visor when passing from jet configuration to full face configuration prevents any interference between visor and chin guard during the closing of this latter, thus eliminating all risk of obstructing or limiting the user's visibility as a result of the chin guard stopping in intermediate position.
- On the basis of the description provided, other characteristics, modifications or improvements are possible and evident to a person skilled in the art. These characteristics, modifications and improvements should therefore be considered part of the present invention.
- In practice, the materials used, the dimensions and contingent shapes can be any according to requirements and to the state of the art.
Claims (10)
- Helmet for motorcycling (1) comprising a shell (10), at least one visor (11) mounted on said shell (10) and movable in rotation with respect to said shell (10) from a closed position to an open position and vice versa, and a chin guard (12) connected to said shell (10) and movable with respect to it from a closed position to an open position in correspondence of the rear part (101) of said shell (10), characterized in that it comprises means for opening and closing of said visor (11) and said chin guard (12) comprising:- automatic opening means (2) for the automatic switching of said visor (11) from said closed position to said open position;- locking means (3) of said visor (11) in said closed position;- a first kinematic mechanism (4) for unlocking and opening of said visor (11) and said chin guard (12);- guide means (5) of the said chin guard (12) which confer a circular trajectory to said chin guard (12) relative to said shell (10) during a first phase of the movement of the said chin guard (12) from said closed position to said open position and a trajectory in rotation and translation with respect to said shell (10) during a second phase of movement of said chin guard (12) from said closed position to said open position, and guide means (6) of said visor (11);- a second kinematic mechanism (7) for unlocking and opening of said visor (11) that determines the automatic switching from said closed position to said open position of said visor (11) when said chin guard (12) is brought from its open position to its closed position.
- Helmet for motorcycling (1), according to claim 1, characterized in that said first kinematic mechanism (4) for unlocking and opening of said visor (11) and said chin guard (12) comprises at least one button (41) positioned on said chin guard (12) and operatively connected to said visor (11) for unlocking of said visor (11) from said closed position.
- Helmet for motorcycling (1), according to claim 1 or 2, characterized in that said first kinematic mechanism (4) for unlocking and opening of said visor (11) and said chin guard (12) comprises a first button (41) positioned on said chin guard (12) and operatively connected to said visor (11) for unlocking of said visor (11) from said closed position and a second button (42), positioned on said chin guard (12), operatively connected to said first button (41) and actuatable only upon actuation of said first button (41).
- Helmet for motorcycling (1), according to one or more of the preceding claims, characterized in that said locking means (3) of said visor (11) in said closed position comprise first locking means (31) of said visor (11) for maintaining said visor (11) in said closed position when said chin guard (12) is in the closed position and second locking means (32) of said visor (11) for maintaining said visor (11) in said closed position when said chin guard (12) is in the open position.
- Helmet for motorcycling (1), according to claim 4, characterized in that said second locking means (32) of said visor (11) comprise first engagement means (321) positioned on the guide means (6) of said visor (11) engageable with and disengageable from second engagement means (322) positioned on the guide means (5) of said chin guard (12).
- Helmet for motorcycling (1), according to claim 4 or 5, characterized in that said first locking means (31) of said visor (11) comprise third engagement means (313) positioned on said chin guard (12) and operatively connected to said first kinematic mechanism (4) for unlocking and opening, said third engagement means (313) being engageable with and disengageable from fourth engagement means (314) positioned on said visor (11).
- Helmet for motorcycling (1), according to one or more of the preceding claims, characterized in that said guide means (5) of the said chin guard (12) comprise a first guide plate (51) of the chin guard (12) rigidly coupled to said shell (10), a second guide plate (52) rigidly coupled to said chin guard (12) and coupling means (50) between said first guide plate (51) and said second guide plate (52) that guide said second guide plate (52) along a circular trajectory during a first phase of the movement of the said chin guard (12) from said closed position to said open position and along a trajectory in rotation and translation during a second phase of movement of said chin guard (12) from said closed position to said open position.
- Helmet for motorcycling (1), according to claim 7, characterized in that said coupling means (50) between said first guide plate (51) and said second guide plate (52) comprise a third guide plate (53) pivoted on the first guide plate (51), said second guide plate (52) being slidingly coupled to said third guide plate (53) and following it during its movement of rotation with respect to said shell (10) and being free to slide linearly with respect to it.
- Helmet for motorcycling (1), according to one or more of the preceding claims, characterized in that said guide means (6) of said visor (11) comprise a visor rotation lever (60) pivoted on a first pivot pin (61) and free to rotate with respect to said shell (10), said automatic opening means (2) for the automatic switching of said visor (11) from said closed position to said open position comprising elastic means operatively associated with said visor rotation lever (60).
- Helmet for motorcycling (1), according to claims 8 and 9, characterized in that said first guide plate (51) is interposed between said visor rotation lever (60) and said third guide plate (53), said second locking means (32) of said visor (11) comprising first engagement means (321) positioned on said visor rotation lever (60) and engageable with / disengageable from second engagement means (322) positioned on said first guide plate (51).
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ITMI20141711 | 2014-09-30 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3001919A1 true EP3001919A1 (en) | 2016-04-06 |
EP3001919B1 EP3001919B1 (en) | 2018-03-14 |
Family
ID=52130614
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP15187457.5A Active EP3001919B1 (en) | 2014-09-30 | 2015-09-29 | Helmet for motorcycling |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP3001919B1 (en) |
ES (1) | ES2673110T3 (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20160015114A1 (en) * | 2014-07-21 | 2016-01-21 | Shark | Protective helmet with moveable chin guard with automatic shield lifting mechanism |
CN111264968A (en) * | 2018-12-05 | 2020-06-12 | 觊都体育用品有限公司 | Chin guard positioning assembly and helmet with same |
US11903438B2 (en) | 2020-12-11 | 2024-02-20 | Jiangyin Dafeima Automobile Technology Co., Ltd. | Helmet with associated rotation of chin guard and face mask |
EP4268657A4 (en) * | 2021-02-09 | 2024-06-12 | HJC Corp. | Chin guard pivoting mechanism |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1101419A1 (en) * | 1999-11-16 | 2001-05-23 | CESARE LANDI S.r.l. | Crash-helmet for motorcyclists |
WO2006128833A1 (en) * | 2005-06-03 | 2006-12-07 | Cbm Distribution | Mobile protective helmet with mobile visor |
EP1806986A1 (en) | 2004-10-27 | 2007-07-18 | Shark SA | Protective helmet with movable chin guard, which is particularly suitable for motorcycling |
-
2015
- 2015-09-29 EP EP15187457.5A patent/EP3001919B1/en active Active
- 2015-09-29 ES ES15187457.5T patent/ES2673110T3/en active Active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1101419A1 (en) * | 1999-11-16 | 2001-05-23 | CESARE LANDI S.r.l. | Crash-helmet for motorcyclists |
EP1806986A1 (en) | 2004-10-27 | 2007-07-18 | Shark SA | Protective helmet with movable chin guard, which is particularly suitable for motorcycling |
WO2006128833A1 (en) * | 2005-06-03 | 2006-12-07 | Cbm Distribution | Mobile protective helmet with mobile visor |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20160015114A1 (en) * | 2014-07-21 | 2016-01-21 | Shark | Protective helmet with moveable chin guard with automatic shield lifting mechanism |
US9854866B2 (en) * | 2014-07-21 | 2018-01-02 | Shark | Protective helmet with moveable chin guard with automatic shield lifting mechanism |
CN111264968A (en) * | 2018-12-05 | 2020-06-12 | 觊都体育用品有限公司 | Chin guard positioning assembly and helmet with same |
CN111264968B (en) * | 2018-12-05 | 2022-11-18 | 觊都体育用品有限公司 | Chin guard positioning assembly and helmet with same |
US11903438B2 (en) | 2020-12-11 | 2024-02-20 | Jiangyin Dafeima Automobile Technology Co., Ltd. | Helmet with associated rotation of chin guard and face mask |
EP4268657A4 (en) * | 2021-02-09 | 2024-06-12 | HJC Corp. | Chin guard pivoting mechanism |
Also Published As
Publication number | Publication date |
---|---|
EP3001919B1 (en) | 2018-03-14 |
ES2673110T3 (en) | 2018-06-19 |
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