EP1446196A1 - Device for releasing the fastener of an accessory such as an oxygen mask on a helmet - Google Patents

Device for releasing the fastener of an accessory such as an oxygen mask on a helmet

Info

Publication number
EP1446196A1
EP1446196A1 EP02803824A EP02803824A EP1446196A1 EP 1446196 A1 EP1446196 A1 EP 1446196A1 EP 02803824 A EP02803824 A EP 02803824A EP 02803824 A EP02803824 A EP 02803824A EP 1446196 A1 EP1446196 A1 EP 1446196A1
Authority
EP
European Patent Office
Prior art keywords
housing
helmet
unlocking
accessory
base
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
Application number
EP02803824A
Other languages
German (de)
French (fr)
Other versions
EP1446196B1 (en
Inventor
Bernard Maden
Hervé PICAUD
Laurent Dupuy
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.)
Gallet SA
Original Assignee
Gallet SA
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 Gallet SA filed Critical Gallet SA
Publication of EP1446196A1 publication Critical patent/EP1446196A1/en
Application granted granted Critical
Publication of EP1446196B1 publication Critical patent/EP1446196B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
    • A62B18/00—Breathing masks or helmets, e.g. affording protection against chemical agents or for use at high altitudes or incorporating a pump or compressor for reducing the inhalation effort
    • A62B18/08—Component parts for gas-masks or gas-helmets, e.g. windows, straps, speech transmitters, signal-devices
    • A62B18/084—Means for fastening gas-masks to heads or helmets
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T24/00—Buckles, buttons, clasps, etc.
    • Y10T24/45—Separable-fastener or required component thereof [e.g., projection and cavity to complete interlock]
    • Y10T24/45225—Separable-fastener or required component thereof [e.g., projection and cavity to complete interlock] including member having distinct formations and mating member selectively interlocking therewith
    • Y10T24/45466—Separable-fastener or required component thereof [e.g., projection and cavity to complete interlock] including member having distinct formations and mating member selectively interlocking therewith having electric or fluid powered, actuation or release, of interlock

Definitions

  • the present invention relates to accessory attachment systems on a helmet and more particularly a safety device intended to equip these systems to allow the automatic removal or unhooking of an accessory in certain particular situations.
  • helmets Numerous types of helmets are known in the prior art intended to equip professionals such as firefighters, soldiers or pilots and others used during leisure activities such as mountaineering, speleology or motorcycles, for example. These helmets, specific to their use, sometimes use accessories that hang on the helmet, such as oxygen masks, gas masks, communication devices or others. However, in certain emergency situations, these accessories attached to the helmet can be a nuisance and even form a significant problem for the user.
  • US Pat. No. 4,869,245 is thus known, which is a device comprising an explosive charge, the explosion of which destroys part of the means for attaching the mask and thus causes its release.
  • the unlocking element is not an explosive charge, but is formed by a pellet made of a material which disintegrates very quickly in a humid environment, which then causes the release of the mask.
  • the latter solution is already an improvement, but is not entirely satisfactory, since it is unreliable and difficult to implement.
  • the present invention therefore aims to solve the aforementioned problems using simple, reliable and easy to implement means, which allows among other things to periodically carry out a non-destructive test and control procedure.
  • an accessory attachment device such as an oxygen mask on a helmet, of the type comprising main assembly means disposed on the helmet to cooperate with complementary assembly means integral with the accessory, and a safety device which causes the detachment of the accessory when it is in contact with a liquid
  • said safety device comprises at least one unlocking release element, said means, acting on these by means of electromechanical unlocking means.
  • these means consist of an attachment device, characterized in that the electromechanical unlocking means consist of an electric motor, controlled by the triggering element, and acting on mechanical unlocking members to ensure the release of 'locking members secured to the helmet cooperating with hooking elements in connection with the accessory.
  • Figures 1 to 10 illustrate the preferred embodiment of the attachment device and associated helmet and alternative embodiments of the device.
  • FIG. 1 illustrates in perspective a pilot's helmet and his oxygen mask hung by a fastening device of the invention.
  • FIG. 2 illustrates in perspective the helmet and its mask when they have been removed using the safety device.
  • Figure 3 illustrates the main assembly means in exploded perspective.
  • FIG. 4 illustrates in longitudinal section the main and complementary attachment means of the device
  • Figure 5 is a bottom view of the housing.
  • Figures 6 and 7 schematically show in an end view the operation of the safety device, respectively in assembly position ( Figure 6) and during the ejection of the jaws, and in the final position once unhooked, ( Figure 7).
  • Figures 8, 9 and 10 show in perspective the hooking means, respectively in the locked position (Figure 8) during unlocking ( Figure 9) and unlocked ( Figure 10).
  • Figure 11 is a block diagram of the electronic system.
  • Figure 12 is a perspective view of the electronic circuit with its protective envelope, which protrude the two electrodes constituting the water presence sensor.
  • Figure 13 is a perspective view from below of the removable trigger and release housing.
  • the attachment device (1) for an accessory (2) on a helmet (3) is of the type comprising main assembly means (MP) arranged on the helmet (3) intended to cooperate with complementary assembly means (MC) integral with the accessory (2).
  • MP main assembly means
  • MC complementary assembly means
  • the attachment device (1) of the invention finds its application especially for the attachment of oxygen masks (2) on the helmets (3) of airplane pilots.
  • it could also be used for other accessories which may cause discomfort for the pilot when he ejects from the cockpit of his plane and is found in the sea, for example, or be used in other applications related to different types of headphones.
  • the attachment device (1) has a safety device (DS) which causes the attachment of the accessory (2) to be removed when it is in contact with a liquid.
  • This safety device (DS) is of the electromechanical type and comprises at least one element of release release (4) which, when in contact with a liquid such as water, causes disassembly of the main assembly means (MP) and complementary assembly means (MC).
  • Said unlocking release element is according to the invention produced by an immersion sensor (4) connected to an electronic circuit (12) supplying an electric motor (13) if necessary, the operation of which will be explained below. from the description.
  • the security device (DS) comprises unlocking means, activated by the unlocking release element (4), that is to say by the electrical circuit, when the latter is in contact with the water.
  • the unlocking element (4) as well as the unlocking means are advantageously arranged in the attachment device (1), which comprises a base (5) intended to be fixed to the helmet (3), and more precisely on its side wall (3a), as illustrated in figure (2), while this base (5) is detachably connected to a removable housing (6) intended to be released from its connection with the base (5) when the device is in contact with water.
  • the attachment device (1) comprises locking members (7a, 7b) integral with the helmet which cooperate with attachment elements (8a, 8b) in connection with the accessory or mask (2), to attach the main assembly means (MP) with the complementary assembly means (MC), this cooperation can only take place when said locking members (7a, 7b) are positioned in a position of assembly (A), position in which they are maintained by the safety device (DS) as long as it is not triggered by contact with water.
  • the locking members (7a, 7b) and the safety device (DS) which keeps them in the assembly position (A) are arranged on the main assembly means (MP ), that is to say on the helmet (3), while the hooking elements (8a, 8b) are carried by a hooking loop (9) secured to a fixing strap (10) of the mask (2).
  • These hooking elements (8a, 8b) are constituted by two movable locking teeth in a manner known per se, against elastic return means.
  • the base (5) advantageously carries the locking members
  • Said cooperation can be stopped either by means of a manual unlocking device (11) with push buttons of conventional type which can be carried by the complementary assembly means (MC) and which makes it possible to retract the locking teeth (8a, 8b ), for example, either by triggering the safety device (DS) which moves the locking members (7a, 7b) to make them leave the assembly position A in which the cooperation with the teeth (8a, 8b) is possible, as illustrated in figures (4 and 6).
  • a manual unlocking device (11) with push buttons of conventional type which can be carried by the complementary assembly means (MC) and which makes it possible to retract the locking teeth (8a, 8b ), for example, either by triggering the safety device (DS) which moves the locking members (7a, 7b) to make them leave the assembly position A in which the cooperation with the teeth (8a, 8b) is possible, as illustrated in figures (4 and 6).
  • the safety device (DS) consists of an elastic biasing device (14a, 14b, 14c, 14d) intended to bias the locking members (7a , 7b) to cause them to leave their assembly position (A) and abutment means which hold the locking members in their assembly position (A) against the action of the elastic biasing device.
  • Said stop means constituted by the removable housing (6) are controlled by the unlocking means which allows, when the immersion sensor (4) is in contact with a liquid, to release said stop means and thus leave the locking members (7a, 7b) leave their assembly position under the action of the elastic biasing device (14a, 14b, 14c, 14d).
  • the elastic biasing device is advantageously constituted by four springs (14a, 14b, 14c, 14d) which are intended to be positioned in housings (15) of the locking members by bearing on the bottom (16) of the base (5). They are compressed when the locking members (7a, 7b) are in the assembly position (A).
  • the stop means the release of which is controlled by the unlocking element (4), but implemented by the unlocking means, are formed by the removable trigger box (6) fixed and retained on the base (5) so as to prevent movement of the locking members (7a, 7b) when they are in the assembly position (A).
  • the unlocking means arranged in the removable housing (6) are constituted by two actuating rods (17a, 17b), moved by a carriage (18) movable in translation and an electric motor (13) actuating a central threaded rod ( 20).
  • Each of the rods is pivotally mounted at their central part, in the removable housing (6) around a pivot axis, respectively (21a, 21b), to present on one side of the axis, an external arm, and on the other side extending towards the general axis of the housing an internal arm.
  • the end of each of the internal arms is connected to a central axis (22) linked to the carriage movable in translation, the said carriage being mounted on the central threaded rod (20).
  • the removable housing (6) is retained on the base (5), thanks to the cooperation of several lateral locking hooks (23a , 23'a- 23b- 23'b, 24a-24'a-24b, 24'b).
  • the threaded rod (20) is rotated on its axis, and therefore drives the carriage (18) in longitudinal displacement forwards along FI, which causes the pivoting of the rods according to R.
  • the stop means (MB) or housing (6) When passing from the locked position to the unlocked position, the stop means (MB) or housing (6) are ejected from the base (5), under the impulse of the elastic biasing device (14a, 14b, 14c, 14d) at the same time as the locking members (7a, 7b), as shown in Figures 2, 3, 7.
  • the ejection of the stop means (MB) and the locking members (7a, 7b ) is carried out towards the outside of the base (5) without any discomfort, thanks to the particular construction of the stop means, which make it possible to play the role of ejectable stop, on the one hand, and on the other of the fact that the springs (14a, 14b, 14C, 14d) are integral with their corresponding locking member (7a, 7b).
  • the base in the area occupied by the attachment elements of the mask does not include a side wall.
  • This construction makes it possible to produce a base (5) the general shape of which thus leaves any leisure for the locking members (7a, 7b) to eject upwards (HA), while leaving free path for the element carrying the members mask lock.
  • the base (5) is advantageously fixed to the helmet by a pivot (28), allowing the base (5) to pivotally take the best angular position.
  • the housing has the form of a protective cover intended to maintain a certain aesthetic appearance for the helmet, said cover being obviously not waterproof to allow contact of water with the unlocking element.
  • the unlocking release element consists of an immersion sensor (4), connected to an electronic circuit.
  • Figure 11 is a block diagram of the electronic system.
  • the electronic system includes the immersion sensor (4) whose role is to measure the conductivity of the water when it is submerged, said sensor being connected to a transistor.
  • the electronic circuit (12) comprises: an integrator (31), a power switch control (32), an electronic switch (33), a microcontroller (34), an optocoupler (35), and a comparator ( 36).
  • the immersion sensor 4 consists of two electrodes (40, 41) connected to a transistor.
  • the device comprises a supply (30) of electric current, such as a flat battery known per se.
  • FIG 12 is a perspective view of the electronic circuit (12) with its protective envelope, which protrude the two electrodes (40, 41) constituting the sensor (4) for the presence of water.
  • the two electrodes (40, 41) are advantageously made of enamelled copper wire, which may have a diameter of 0.7 millimeters. Note, as appears in Figure 13, that the two electrodes (40, 41) protrude from the removable trigger and release housing (6). Add that the said housing (6) is advantageously sealed and includes the electronic circuit (12), the battery (30) and the motor (13) and with its transmission elements (18, 20).

Landscapes

  • Health & Medical Sciences (AREA)
  • Pulmonology (AREA)
  • General Health & Medical Sciences (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Helmets And Other Head Coverings (AREA)
  • Respiratory Apparatuses And Protective Means (AREA)

Abstract

Device for coupling an oxygen mask (2) to a helmet (3) comprises principle attachment means fixed to the helmet to connect to complementary attachment means (MC) on the mask and a safety detachment device that causes detachment of the mask when liquid is detected. The safety device is an electro-mechanical device.

Description

DISPOSITIF DE LIBERATION DE LA LIAISON D'UN ACCESSOIRE TEL QU'UN MASQUE A OXYGENE SUR UN CASQUEDEVICE FOR RELEASING THE CONNECTION OF AN ACCESSORY SUCH AS AN OXYGEN MASK ON A HELMET
La présente invention concerne les systèmes d'accrochage d'accessoire sur un casque et plus particulièrement un dispositif de sécurité destiné à équiper ces systèmes pour permettre l'enlèvement ou le décrochage automatique d'un accessoire dans certaines situations particulières.The present invention relates to accessory attachment systems on a helmet and more particularly a safety device intended to equip these systems to allow the automatic removal or unhooking of an accessory in certain particular situations.
On connaît de nombreux types de casques dans l'art antérieur destinés à équiper des professionnels comme les pompiers, les militaires ou les pilotes et d'autres utilisés lors de loisirs comme l'alpinisme, la spéléologie ou la moto, par exemple. Ces casques, spécifiques à leur utilisation, utilisent parfois des accessoires qui viennent s'accrocher sur le casque, tels que les masques à oxygène, les masques à gaz, les dispositifs de communication ou autres. Toutefois, dans certaines situations d'urgence, ces accessoires accrochés au casque peuvent être une gêne et même former un problème important pour l'usager.Numerous types of helmets are known in the prior art intended to equip professionals such as firefighters, soldiers or pilots and others used during leisure activities such as mountaineering, speleology or motorcycles, for example. These helmets, specific to their use, sometimes use accessories that hang on the helmet, such as oxygen masks, gas masks, communication devices or others. However, in certain emergency situations, these accessories attached to the helmet can be a nuisance and even form a significant problem for the user.
C'est, par exemple, le cas lorsqu'un pilote d'avion s'éjecte de son appareil et qu'il choit en milieu aquatique, la présence de son masque à oxygène peut nuire gravement au pilote qui doit manipuler manuellement le système d'accrochage dudit masque pour s'en libérer, opération manuelle qui peut s'avérer délicate et qu'il n'est pas forcément en état d'effectuer.This is, for example, the case when an airplane pilot ejects from his device and he falls in the aquatic environment, the presence of his oxygen mask can seriously harm the pilot who must manually manipulate the system. 'hanging said mask to free it, manual operation which can prove to be delicate and which it is not necessarily in a condition to perform.
Ainsi, pour remédier à ce cas particulier et permettre la libération du masque à oxygène ou à gaz lors de ce type d'incident, il a été imaginé des dispositifs qui permettait la libération automatique du masque à oxygène dès que le casque est en contact avec de l'eau.Thus, to remedy this particular case and allow the release of the oxygen or gas mask during this type of incident, it has been imagined devices that allowed the automatic release of the oxygen mask as soon as the helmet was in contact with water.
On connaît ainsi le dispositif divulgué par le brevet américain US 4 869 245, qui est un dispositif comprenant une charge explosive dont l'explosion détruit une partie des moyens d'accrochage du masque et provoque ainsi sa libération. On comprend très bien que ce dispositif ne soit pas satisfaisant. En effet, l'explosion peut blesser l'utilisateur. Aussi, la demanderesse a déjà proposé un autre dispositif, selon lequel, l'élément de déverrouillage n'est une charge explosive, mais est formé par une pastille réalisée dans un matériau qui se délite très rapidement en milieu humide, ce qui provoque alors la libération du masque. Cette dernière solution est déjà un perfectionnement, mais n'est pas totalement satisfaisante, car peu fiable et difficile à mettre en œuvre.The device disclosed in US Pat. No. 4,869,245 is thus known, which is a device comprising an explosive charge, the explosion of which destroys part of the means for attaching the mask and thus causes its release. We understand very well that this device is not satisfactory. The explosion can injure the user. Also, the Applicant has already proposed another device, according to which, the unlocking element is not an explosive charge, but is formed by a pellet made of a material which disintegrates very quickly in a humid environment, which then causes the release of the mask. The latter solution is already an improvement, but is not entirely satisfactory, since it is unreliable and difficult to implement.
La présente invention a donc pour objectif de résoudre les problèmes précités à l'aide de moyens simples, fiables et faciles à mettre en œuvre, qui permet entre autre de procéder périodiquement à une procédure de test et de contrôle non destructif.The present invention therefore aims to solve the aforementioned problems using simple, reliable and easy to implement means, which allows among other things to periodically carry out a non-destructive test and control procedure.
A cet effet, elle concerne un dispositif d'accrochage d'accessoire tel qu'un masque à oxygène sur un casque, du type comportant des moyens d'assemblage principaux disposés sur le casque pour coopérer avec des moyens d'assemblage complémentaires solidaires de l'accessoire, et un dispositif de sécurité qui provoque le décrochage de l'accessoire lorsqu'il se trouve au contact d'un liquide, caractérisé en ce que ledit dispositif de sécurité comporte au moins un élément de déclenchement du déverrouillage, desdits moyens, agissant sur ceux-ci par l'intermédiaire de moyens de déverrouillage électromécaniques. Avantageusement, ces moyens sont constitués par un dispositif d'accrochage, caractérisé en ce que les moyens de déverrouillage électromécaniques sont constitués par un moteur électrique, commandé par l'élément de déclenchement, et agissant sur des organes mécaniques de déverrouillage pour assurer la libération d'organes de verrouillage solidaires du casque coopérant avec des éléments d'accrochage en liaison avec l'accessoire.To this end, it relates to an accessory attachment device such as an oxygen mask on a helmet, of the type comprising main assembly means disposed on the helmet to cooperate with complementary assembly means integral with the accessory, and a safety device which causes the detachment of the accessory when it is in contact with a liquid, characterized in that said safety device comprises at least one unlocking release element, said means, acting on these by means of electromechanical unlocking means. Advantageously, these means consist of an attachment device, characterized in that the electromechanical unlocking means consist of an electric motor, controlled by the triggering element, and acting on mechanical unlocking members to ensure the release of 'locking members secured to the helmet cooperating with hooking elements in connection with the accessory.
D'autres caractéristiques et avantages de l'invention se dégageront de la description qui va suivre en regard des dessins annexés, qui ne sont donnés qu'à titre d'exemples non limitatifsOther characteristics and advantages of the invention will emerge from the description which follows with reference to the appended drawings, which are given only by way of nonlimiting examples.
Les figures 1 à 10 illustrent le mode de réalisation préféré du dispositif d'accrochage et du casque associé et des variantes d'exécution du dispositif.Figures 1 to 10 illustrate the preferred embodiment of the attachment device and associated helmet and alternative embodiments of the device.
La figure 1 illustre en perspective un casque de pilote et son masque à oxygène accroché par un dispositif d'accrochage de l'invention.FIG. 1 illustrates in perspective a pilot's helmet and his oxygen mask hung by a fastening device of the invention.
La figure 2 illustre en perspective le casque et son masque lorsqu'ils ont été décrochés grâce au dispositif de sécurité.FIG. 2 illustrates in perspective the helmet and its mask when they have been removed using the safety device.
La figure 3 illustre les moyens d'assemblage principaux en perspective éclatée.Figure 3 illustrates the main assembly means in exploded perspective.
La figure 4 illustre en coupe longitudinale les moyens d'accrochage principaux et complémentaires du dispositifFigure 4 illustrates in longitudinal section the main and complementary attachment means of the device
La figure 5 est une vue de dessous du boîtier.Figure 5 is a bottom view of the housing.
Les figures 6 et 7 représentent schématiquement par une vue en bout le fonctionnement du dispositif de sécurité, respectivement en position d'assemblage (figure 6) et pendant l'éjection des mâchoires, et en position finale une fois décrochée, (figure 7).Figures 6 and 7 schematically show in an end view the operation of the safety device, respectively in assembly position (Figure 6) and during the ejection of the jaws, and in the final position once unhooked, (Figure 7).
Les figures 8, 9 et 10 représentent en perspective les moyens d'accrochage, respectivement dans la position verrouillée (figure 8) en cours de déverrouillage (figure 9) et déverrouillée (figure 10).Figures 8, 9 and 10 show in perspective the hooking means, respectively in the locked position (Figure 8) during unlocking (Figure 9) and unlocked (Figure 10).
La figure 11 est un schéma synoptique du système électronique.Figure 11 is a block diagram of the electronic system.
La figure 12 est une vue en perspective du circuit électronique avec son enveloppe de protection, dont font saillie les deux électrodes constituant le capteur de présence d'eau.Figure 12 is a perspective view of the electronic circuit with its protective envelope, which protrude the two electrodes constituting the water presence sensor.
La figure 13 est une vue en perspective de dessous du boîtier amovible de déclenchement et de libération.Figure 13 is a perspective view from below of the removable trigger and release housing.
Selon l'invention, le dispositif d'accrochage (1) d'accessoire (2) sur un casque (3) est du type comportant des moyens d'assemblage principaux (MP) disposés sur le casque (3) destinés à coopérer avec des moyens d'assemblage complémentaires (MC) solidaires de l'accessoire (2).According to the invention, the attachment device (1) for an accessory (2) on a helmet (3) is of the type comprising main assembly means (MP) arranged on the helmet (3) intended to cooperate with complementary assembly means (MC) integral with the accessory (2).
Ainsi, comme le montrent les figures 1 et 2, le dispositif d'accrochage (1) de l'invention trouve spécialement son application pour l'accrochage des masques à oxygène (2) sur les casques (3) de pilotes d'avion. Toutefois, il pourrait également être utilisé pour d'autres accessoires susceptibles de former une gêne pour le pilote lorsqu'il s'éjecte du cockpit de son avion et qu'il se retrouve dans la mer, par exemple, ou être utilisé dans d'autres applications liées à des types de casque différents.Thus, as shown in FIGS. 1 and 2, the attachment device (1) of the invention finds its application especially for the attachment of oxygen masks (2) on the helmets (3) of airplane pilots. However, it could also be used for other accessories which may cause discomfort for the pilot when he ejects from the cockpit of his plane and is found in the sea, for example, or be used in other applications related to different types of headphones.
Selon l'invention, le dispositif d'accrochage (1) présente un dispositif de sécurité (DS) qui provoque le décrochage de l'accessoire (2) lorsqu'il se trouve au contact d'un liquide. Ce dispositif de sécurité (DS) est du type électromécanique et comprend au moins un élément de déclenchement du déverrouillage (4) qui, lorsqu'il est en contact avec un liquide tel que de l'eau, provoque le désassemblage des moyens d'assemblage principaux (MP) et des moyens d'assemblage complémentaires (MC). Ledit élément de déclenchement du déverrouillage, est selon l'invention réalisé par un capteur d'immersion (4) relié à un circuit électronique (12) alimentant en cas de nécessité un moteur électrique (13), dont on expliquera le fonctionnement dans la suite de la description.According to the invention, the attachment device (1) has a safety device (DS) which causes the attachment of the accessory (2) to be removed when it is in contact with a liquid. This safety device (DS) is of the electromechanical type and comprises at least one element of release release (4) which, when in contact with a liquid such as water, causes disassembly of the main assembly means (MP) and complementary assembly means (MC). Said unlocking release element is according to the invention produced by an immersion sensor (4) connected to an electronic circuit (12) supplying an electric motor (13) if necessary, the operation of which will be explained below. from the description.
Par ailleurs, le dispositif de sécurité (DS) comprend des moyens de déverrouillage, activés par l'élément de déclenchement du déverrouillage (4), c'est-à-dire par le circuit électrique, quand ce dernier est en contact avec l'eau.Furthermore, the security device (DS) comprises unlocking means, activated by the unlocking release element (4), that is to say by the electrical circuit, when the latter is in contact with the water.
Notons que l'élément de déverrouillage (4) ainsi que les moyens de déverrouillage sont avantageusement disposés dans le dispositif d'accrochage (1), qui comprend une embase (5) destinée à être fixée au casque (3), et plus précisément sur sa paroi latérale (3a), tel qu'illustré figure (2), tandis qu'à cette embase (5) est relié de façon déclenchable un boîtier amovible (6) destiné à être libéré de sa liaison avec l'embase (5) quand le dispositif est en contact avec l'eau.Note that the unlocking element (4) as well as the unlocking means are advantageously arranged in the attachment device (1), which comprises a base (5) intended to be fixed to the helmet (3), and more precisely on its side wall (3a), as illustrated in figure (2), while this base (5) is detachably connected to a removable housing (6) intended to be released from its connection with the base (5) when the device is in contact with water.
Pour ce faire, le dispositif d'accrochage (1) comporte des organes de verrouillage (7a, 7b) solidaires du casque qui coopèrent avec des éléments d'accrochage (8a, 8b) en liaison avec l'accessoire ou masque (2), pour réaliser l'accrochage des moyens d'assemblage principaux (MP) avec les moyens d'assemblage complémentaires (MC), cette coopération ne pouvant s'effectuer que lorsque lesdits organes de verrouillage (7a, 7b) sont positionnés dans une position d'assemblage (A), position dans laquelle ils sont maintenus par le dispositif de sécurité (DS) tant que celui- ci n'est pas déclenché par le contact de l'eau. Selon le mode de réalisation préféré de l'invention, les organes de verrouillage (7a, 7b) et le dispositif de sécurité (DS) qui les maintient en position d'assemblage (A) sont disposés sur les moyens d'assemblage principaux (MP), c'est-à-dire sur le casque (3), tandis que les éléments d'accrochage (8a, 8b) sont portés par une boucle d'accrochage (9) solidaire d'une sangle de fixation (10) du masque (2). Ces éléments d'accrochage (8a, 8b) sont constitués par deux dents de verrouillage mobiles de façon connue en soit, à l' encontre de moyens de rappel élastique. Il va de soi que la configuration du dispositif d'accrochage pourrait être différente et que le dispositif de sécurité avec ses organes de verrouillage et son élément de déverrouillage pourrait être disposé, non plus sur les moyens d'assemblage principaux (MP) du casque (3), mais directement sur les moyens d'assemblage complémentaires (MC) portés par l'accessoire (2), sans pour autant sortir du champ de protection de l'invention.To do this, the attachment device (1) comprises locking members (7a, 7b) integral with the helmet which cooperate with attachment elements (8a, 8b) in connection with the accessory or mask (2), to attach the main assembly means (MP) with the complementary assembly means (MC), this cooperation can only take place when said locking members (7a, 7b) are positioned in a position of assembly (A), position in which they are maintained by the safety device (DS) as long as it is not triggered by contact with water. According to the preferred embodiment of the invention, the locking members (7a, 7b) and the safety device (DS) which keeps them in the assembly position (A) are arranged on the main assembly means (MP ), that is to say on the helmet (3), while the hooking elements (8a, 8b) are carried by a hooking loop (9) secured to a fixing strap (10) of the mask (2). These hooking elements (8a, 8b) are constituted by two movable locking teeth in a manner known per se, against elastic return means. It goes without saying that the configuration of the attachment device could be different and that the safety device with its locking members and its unlocking element could be arranged, no longer on the main assembly means (MP) of the helmet ( 3), but directly on the complementary assembly means (MC) carried by the accessory (2), without however departing from the scope of protection of the invention.
L'embase (5) porte avantageusement les organes de verrouillageThe base (5) advantageously carries the locking members
(7a, 7b) qui sont formés par deux mâchoires dentées positionnées dans l'embase (5) pour permettre le passage de la boucle d'accrochage (9) et de ses dents de verrouillage (8a, 8b) entre leurs dentures respectives afin d'obtenir la coopération entre lesdites dents et la denture des mâchoires, comme le montre plus particulièrement la figure (4).(7a, 7b) which are formed by two toothed jaws positioned in the base (5) to allow the passage of the hooking loop (9) and its locking teeth (8a, 8b) between their respective teeth in order to 'obtain cooperation between said teeth and the teeth of the jaws, as shown more particularly in Figure (4).
Ladite coopération peut être arrêtée soit grâce à un dispositif de déverrouillage manuel (11) à boutons poussoirs de type classique qui peut être porté par les moyens d'assemblage complémentaires (MC) et qui permet d'escamoter les dents de verrouillage (8a, 8b), par exemple, soit par le déclenchement du dispositif de sécurité (DS) qui déplace les organes de verrouillage (7a, 7b) pour leur faire quitter la position d'assemblage A dans laquelle la coopération avec les dents (8a, 8b) est possible, tel qu'illustré figures (4 et 6). Selon le mode de réalisation préféré des moyens d'assemblage principaux (MP), le dispositif de sécurité (DS) est constitué d'un dispositif de sollicitation élastique (14a, 14b, 14c, 14d) destiné à solliciter les organes de verrouillage (7a, 7b) pour les faire quitter leur position d'assemblage (A) et de moyens de butée qui maintiennent les organes de verrouillage dans leur position d'assemblage (A) contre l'action du dispositif de sollicitation élastique. Lesdits moyens de butée constitués par le boîtier amovible (6), sont commandés par les moyens de déverrouillage qui permet, lorsque le capteur d'immersion (4) est au contact d'un liquide, de libérer lesdits moyens de butée et de laisser ainsi les organes de verrouillage (7a, 7b) quitter leur position d'assemblage sous l'action du dispositif de sollicitation élastique (14a, 14b, 14c, 14d).Said cooperation can be stopped either by means of a manual unlocking device (11) with push buttons of conventional type which can be carried by the complementary assembly means (MC) and which makes it possible to retract the locking teeth (8a, 8b ), for example, either by triggering the safety device (DS) which moves the locking members (7a, 7b) to make them leave the assembly position A in which the cooperation with the teeth (8a, 8b) is possible, as illustrated in figures (4 and 6). According to the preferred embodiment of the main assembly means (MP), the safety device (DS) consists of an elastic biasing device (14a, 14b, 14c, 14d) intended to bias the locking members (7a , 7b) to cause them to leave their assembly position (A) and abutment means which hold the locking members in their assembly position (A) against the action of the elastic biasing device. Said stop means constituted by the removable housing (6), are controlled by the unlocking means which allows, when the immersion sensor (4) is in contact with a liquid, to release said stop means and thus leave the locking members (7a, 7b) leave their assembly position under the action of the elastic biasing device (14a, 14b, 14c, 14d).
Le dispositif de sollicitation élastique est avantageusement constitué par quatre ressorts (14a, 14b, 14c, 14d) qui sont destinés à venir se positionner dans des logements (15) des organes de verrouillage en prenant appui sur le fond (16) de l'embase (5). Ils sont comprimés lorsque les organes de verrouillage (7a, 7b) sont en position d'assemblage (A).The elastic biasing device is advantageously constituted by four springs (14a, 14b, 14c, 14d) which are intended to be positioned in housings (15) of the locking members by bearing on the bottom (16) of the base (5). They are compressed when the locking members (7a, 7b) are in the assembly position (A).
Les moyens de butée dont la libération est commandée par l'élément de déverrouillage (4), mais mis en œuvre par les moyens de déverrouillage, sont formés par le boîtier de déclenchement amovible (6) fixé et retenu sur l'embase (5) de manière à empêcher le mouvement des organes de verrouillage (7a, 7b) lorsqu'ils sont en position d'assemblage (A).The stop means, the release of which is controlled by the unlocking element (4), but implemented by the unlocking means, are formed by the removable trigger box (6) fixed and retained on the base (5) so as to prevent movement of the locking members (7a, 7b) when they are in the assembly position (A).
Les moyens de déverrouillage disposés dans le boîtier amovible (6), sont constitués par deux biellettes d'actionnement (17a, 17b), mues par un chariot (18) mobile en translation et un moteur électrique (13) actionnant une tige filetée centrale (20). Chacune des biellettes est montée pivotante au niveau de leur partie centrale, dans le boîtier amovible (6) autour d'un axe de pivotement, respectivement (21a, 21b), pour présenter d'un coté de l'axe, un bras externe, et de l'autre coté s'étendant vers l'axe général du boîtier un bras interne. Par ailleurs, l'extrémité de chacun des bras interne est reliée à un axe central (22) lié au chariot mobile en translation, le dit chariot étant monté sur la tige filetée centrale (20).The unlocking means arranged in the removable housing (6), are constituted by two actuating rods (17a, 17b), moved by a carriage (18) movable in translation and an electric motor (13) actuating a central threaded rod ( 20). Each of the rods is pivotally mounted at their central part, in the removable housing (6) around a pivot axis, respectively (21a, 21b), to present on one side of the axis, an external arm, and on the other side extending towards the general axis of the housing an internal arm. Furthermore, the end of each of the internal arms is connected to a central axis (22) linked to the carriage movable in translation, the said carriage being mounted on the central threaded rod (20).
On a compris que la rotation de ladite tige filetée centrale, animée par le moteur (13), provoque le déplacement longitudinal du chariot (18) qui entraîne en pivotement les deux biellettes (17a, 17b).It has been understood that the rotation of said central threaded rod, driven by the motor (13), causes the longitudinal displacement of the carriage (18) which pivots the two links (17a, 17b).
Dans la position d'assemblage (A), telle qu'illustrée aux figures 1, 6, 8, le boîtier amovible (6) est retenu sur l'embase (5), grâce à la coopération de plusieurs crochets latéraux de verrouillage (23a, 23'a- 23b- 23'b,24a-24'a-24b, 24'b). Lors de l'alimentation en courant électrique du moteur (13) la tige filetée (20), est animée d'un mouvement de rotation sur son axe, et entraîne donc le chariot (18) en déplacement longitudinal vers l'avant selon FI, ce qui provoque le pivotement des biellettes selon R. Etant donné que les extrémités (25a, 25b) de chacun des bras externes des biellettes (17a, 17b) est engagé dans les profils d'appui en creux (26a, 26b) réalisés dans les parois latérales (27a, 27b) de l'embase (5), le pivotement des biellettes provoque le déplacement en translation vers l'avant selon F2 du boîtier par rapport à l'embase, tel que cela est illustré à la figure 9. Ce déplacement fait donc en sorte que la coopération des crochets latéraux de verrouillage cesse, et il y a libération du boîtier, tel que cela est illustré à la figure 2, 7 et 10.In the assembly position (A), as illustrated in FIGS. 1, 6, 8, the removable housing (6) is retained on the base (5), thanks to the cooperation of several lateral locking hooks (23a , 23'a- 23b- 23'b, 24a-24'a-24b, 24'b). When the electric current is supplied to the motor (13), the threaded rod (20) is rotated on its axis, and therefore drives the carriage (18) in longitudinal displacement forwards along FI, which causes the pivoting of the rods according to R. Given that the ends (25a, 25b) of each of the external arms of the rods (17a, 17b) is engaged in the hollow support profiles (26a, 26b) produced in the side walls (27a, 27b) of the base (5), the pivoting of the connecting rods causes the displacement in forward translation along F2 of the housing relative to the base, as illustrated in FIG. 9. This displacement therefore causes the cooperation of the lateral locking hooks to cease, and the housing is released, as illustrated in FIGS. 2, 7 and 10.
Lors du passage de la position verrouillée à la position déverrouillée, les moyens de butée (MB) ou boîtier (6) sont éjectés de l'embase (5), sous l'impulsion du dispositif de sollicitation élastique (14a, 14b, 14c, 14d) en même temps que les organes de verrouillage (7a, 7b), comme le montrent les figures 2, 3, 7. L'éjection des moyens de butée (MB) et des organes de verrouillage (7a, 7b) s'effectue vers l'extérieur de l'embase (5) sans aucune gêne, grâce à la construction particulière des moyens de butée, qui permettent de jouer le rôle de butée éjectable, d'une part, et d'autre part du fait que les ressorts (14a, 14b, 14C, 14d) sont solidaires de leur organe de verrouillage correspondant (7a, 7b). On notera aussi que l'embase, dans la zone occupée par les éléments d'accrochage du masque ne comprend pas de paroi latérale. Cette construction permet de réaliser une embase (5) dont la forme générale laisse ainsi tout loisir aux organes de verrouillage (7a, 7b) de s'éjecter vers le haut (HA), tout en laissant libre trajectoire à l'élément portant les organes de verrouillage du masque.When passing from the locked position to the unlocked position, the stop means (MB) or housing (6) are ejected from the base (5), under the impulse of the elastic biasing device (14a, 14b, 14c, 14d) at the same time as the locking members (7a, 7b), as shown in Figures 2, 3, 7. The ejection of the stop means (MB) and the locking members (7a, 7b ) is carried out towards the outside of the base (5) without any discomfort, thanks to the particular construction of the stop means, which make it possible to play the role of ejectable stop, on the one hand, and on the other of the fact that the springs (14a, 14b, 14C, 14d) are integral with their corresponding locking member (7a, 7b). It will also be noted that the base, in the area occupied by the attachment elements of the mask does not include a side wall. This construction makes it possible to produce a base (5) the general shape of which thus leaves any leisure for the locking members (7a, 7b) to eject upwards (HA), while leaving free path for the element carrying the members mask lock.
On peut noter que l'embase (5) est fixée avantageusement au casque par un pivot (28), permettant à l'embase (5) de prendre par pivotement la position angulaire la meilleure.It can be noted that the base (5) is advantageously fixed to the helmet by a pivot (28), allowing the base (5) to pivotally take the best angular position.
Par ailleurs, on notera que le boîtier présente la forme d'un capot de protection destiné à conserver un esthétisme certain au casque, ledit capot étant évidemment non étanche pour permettre le contact de l'eau avec l'élément de déverrouillage.Furthermore, it will be noted that the housing has the form of a protective cover intended to maintain a certain aesthetic appearance for the helmet, said cover being obviously not waterproof to allow contact of water with the unlocking element.
Selon l'invention l'élément de déclenchement du déverrouillage est constitué par un capteur d'immersion (4), relié à un circuit électroniqueAccording to the invention, the unlocking release element consists of an immersion sensor (4), connected to an electronic circuit.
(12) destiné à alimenter le moteur (13) actionnant les moyens de déverrouillage. La figure 11 est un schéma synoptique du système électronique.(12) intended to supply the motor (13) actuating the unlocking means. Figure 11 is a block diagram of the electronic system.
Le système électronique comprend le capteur d'immersion (4) dont le rôle est de mesurer la conductivité de l'eau quand il est immergé, ledit capteur étant relié à un transistor. Le circuit électronique (12) comprend : un intégrateur (31), une commande d'interrupteur de l'alimentation (32), un interrupteur électronique (33), un microcontrôleur (34), un optocoupleur (35), et un comparateur (36).The electronic system includes the immersion sensor (4) whose role is to measure the conductivity of the water when it is submerged, said sensor being connected to a transistor. The electronic circuit (12) comprises: an integrator (31), a power switch control (32), an electronic switch (33), a microcontroller (34), an optocoupler (35), and a comparator ( 36).
Le capteur d'immersion 4 est constitué par deux électrodes (40, 41) reliées à un transistor.The immersion sensor 4 consists of two electrodes (40, 41) connected to a transistor.
Notons aussi que le dispositif comprend une alimentation (30) en courant électrique, telle qu'une pile plate connue en soi.Note also that the device comprises a supply (30) of electric current, such as a flat battery known per se.
La figure 12 est une vue en perspective du circuit électronique (12) avec son enveloppe de protection, dont font saillie les deux électrodes (40, 41) constituant le capteur (4) de présence d'eau. Les deux électrodes (40, 41) sont avantageusement réalisées en fil de cuivre émaillé, pouvant avoir un diamètre de 0, 7 millimètres. Notons, comme cela apparaît sur la figure 13, que les deux électrodes (40, 41) font saillie hors du boîtier amovible de déclenchement et de libération (6). Ajoutons que le dit boîtier (6) est avantageusement étanche et comprend le circuit électronique (12), la pile (30) et le moteur (13) et avec ses éléments de transmission (18, 20).Figure 12 is a perspective view of the electronic circuit (12) with its protective envelope, which protrude the two electrodes (40, 41) constituting the sensor (4) for the presence of water. The two electrodes (40, 41) are advantageously made of enamelled copper wire, which may have a diameter of 0.7 millimeters. Note, as appears in Figure 13, that the two electrodes (40, 41) protrude from the removable trigger and release housing (6). Add that the said housing (6) is advantageously sealed and includes the electronic circuit (12), the battery (30) and the motor (13) and with its transmission elements (18, 20).
Il va de soi que l'on pourrait prévoir d'autres systèmes de capteur d'eau comme par exemple par système sonore, ultra sons ou émission électromagnétique.It goes without saying that provision could be made for other water sensor systems such as, for example, a sound system, ultrasound or electromagnetic emission.
Bien entendu, l'invention n'est pas limitée aux modes de réalisation décrits et représentés à titre d'exemples, mais elle comprend aussi tous les équivalents techniques ainsi que leurs combinaisons. Of course, the invention is not limited to the embodiments described and shown by way of examples, but it also includes all the technical equivalents and their combinations.

Claims

REVENDICATIONS
1. Dispositif d'accrochage (1) d'accessoire (2) tel qu'un masque à oxygène sur un casque (3), du type comportant des moyens d'assemblage principaux (MP) disposés sur le casque (3) pour coopérer avec des moyens d'assemblage complémentaires (MC) solidaires de l'accessoire (2), et un dispositif de sécurité (DS) qui provoque le décrochage de l'accessoire lorsqu'il se trouve au contact d'un liquide, caractérisé en ce que ledit dispositif de sécurité (DS) comporte au moins un élément (4) de déclenchement du déverrouillage, desdits moyens (MP, MC), agissant sur ceux-ci par l'intermédiaire de moyens de déverrouillage électromécaniques.1. Attachment device (1) of accessory (2) such as an oxygen mask on a helmet (3), of the type comprising main assembly means (MP) arranged on the helmet (3) to cooperate with complementary assembly means (MC) integral with the accessory (2), and a safety device (DS) which causes the accessory to detach when it is in contact with a liquid, characterized in that that said safety device (DS) comprises at least one element (4) for triggering the unlocking, of said means (MP, MC), acting on these by means of electromechanical unlocking means.
2. Dispositif d'accrochage (1) selon la revendication 1, caractérisé en ce que les moyens de déverrouillage électromécaniques sont constitués par un moteur électrique (13), commandé par l'élément de déclenchement (4), et agissant sur des organes mécaniques de déverrouillage (17a, 17b) pour assurer la libération d'organes de verrouillage (7a, 7b) solidaires du casque coopérant avec des éléments d'accrochage (8a, 8b) en liaison avec l'accessoire (2).2. attachment device (1) according to claim 1, characterized in that the electromechanical unlocking means consist of an electric motor (13), controlled by the triggering element (4), and acting on mechanical members unlocking (17a, 17b) to ensure the release of locking members (7a, 7b) integral with the helmet cooperating with hooking elements (8a, 8b) in connection with the accessory (2).
3. Dispositif d'accrochage (1) selon les revendications 1 ou 2, caractérisé en ce que l'élément de déverrouillage (4), ainsi que les moyens de déverrouillage électromécanique (17a, 17b) sont disposés dans ledit dispositif (1) qui comprend une embase (5) fixée au casque (3) à laquelle est relié de façon déclenchable un boîtier amovible (6) destiné à être libéré de sa liaison avec l'embase (5), quand le dispositif est en contact avec l'eau. 3. Hanging device (1) according to claims 1 or 2, characterized in that the unlocking element (4), as well as the electromechanical unlocking means (17a, 17b) are arranged in said device (1) which comprises a base (5) fixed to the helmet (3) to which is detachably connected a removable housing (6) intended to be released from its connection with the base (5), when the device is in contact with water .
4. Dispositif d'accrochage (1) selon les revendications 2 ou 3, caractérisé en ce que les éléments d'accrochage (8a, 8b) en liaison avec l'accessoire (2) sont constitués par deux dents, mobiles à encontre de moyens de rappel élastiques et aptes à coopérer avec deux mâchoires dentées constituant les organes de verrouillage (7a, 7b) positionnées dans l'embase (5) dudit dispositif (1).4. attachment device (1) according to claims 2 or 3, characterized in that the attachment elements (8a, 8b) in connection with the accessory (2) are constituted by two teeth, movable against means elastic return and able to cooperate with two toothed jaws constituting the locking members (7a, 7b) positioned in the base (5) of said device (1).
5. Dispositif d'accrochage (1) selon les revendications 2 à 4, caractérisé en ce que les organes de verrouillage (7a, 7b) sont sollicités élastiquement par des éléments élastiques (14a, 14b, 14c, 14d) contre des moyens de butée constitués par le boîtier amovible (6), de manière à libérer lesdits organes de verrouillage (7a, 7b) lorsque le déclenchement dudit boîtier (6) à lieu, au contact de l'eau.5. attachment device (1) according to claims 2 to 4, characterized in that the locking members (7a, 7b) are resiliently biased by elastic elements (14a, 14b, 14c, 14d) against abutment means constituted by the removable housing (6), so as to release said locking members (7a, 7b) when the triggering of said housing (6) takes place, in contact with water.
6. Dispositif d'accrochage (1) selon les revendications 2 à 5, caractérisé en ce que les organes mécaniques de déverrouillage (17a, 17b) sont disposés dans le boîtier mobile (6) et sont constitués par deux biellettes d'actionnement, mues par un chariot (18) mobile en translation par le moteur (13) actionnant une tige filetée (20).6. attachment device (1) according to claims 2 to 5, characterized in that the mechanical unlocking members (17a, 17b) are arranged in the movable housing (6) and are constituted by two actuating rods, moved by a carriage (18) movable in translation by the motor (13) actuating a threaded rod (20).
7. Dispositif d'accrochage (1) selon la revendication 6, caractérisé en ce que les extrémités (25a, 25b) des biellettes (17a, 17b) du boîtier (6) coopèrent avec des profils d'appui en creux (26a, 26b) réalisés dans les parois latérales (27a, 27b) de l'embase (5) de manière que le pivotement des biellettes autour d'un axe de pivotement (21a, 21b) provoque le déplacement en translation vers l'avant du boîtier (6) par rapport à l'embase (5) et conséquemment le désengagement de crochets (23) réalisés sur l'embase (5) et de crochets complémentaires (24) réalisés sur le boîtier (6) provoquant la libération de ce dernier et conséquemment celle des organes de verrouillage (7a, 7b) en sollicitation élastique permanente contre ledit boîtier (6). 7. attachment device (1) according to claim 6, characterized in that the ends (25a, 25b) of the rods (17a, 17b) of the housing (6) cooperate with hollow support profiles (26a, 26b ) made in the side walls (27a, 27b) of the base (5) so that the pivoting of the rods about a pivot axis (21a, 21b) causes the displacement in forward translation of the housing (6 ) relative to the base (5) and consequently the disengagement of hooks (23) produced on the base (5) and of additional hooks (24) produced on the housing (6) causing the release of the latter and consequently that locking members (7a, 7b) in permanent elastic stress against said housing (6).
8. Dispositif d'accrochage (1) selon l'une des revendications 1 à 7, caractérisé en ce que l'élément de verrouillage (4) est constitué par un capteur d'immersion relié à un circuit électronique (12) et susceptible d'alimenter le moteur électrique (13) commandant les moyens de déverrouillage électromécaniques (17a, 17b).8. Hanging device (1) according to one of claims 1 to 7, characterized in that the locking element (4) is constituted by an immersion sensor connected to an electronic circuit (12) and capable of 'power the electric motor (13) controlling the electromechanical unlocking means (17a, 17b).
9. Dispositif d'accrochage (1) selon la revendication 8, caractérisé en ce que le capteur d'immersion (4) est constitué par deux électrodes et est relié à un transistor.9. An attachment device (1) according to claim 8, characterized in that the immersion sensor (4) consists of two electrodes and is connected to a transistor.
10. Dispositif d'accrochage (1) selon les revendications 8 ou 9, caractérisé en ce que le circuit électronique (12) comprend un intégrateur10. Hanging device (1) according to claims 8 or 9, characterized in that the electronic circuit (12) comprises an integrator
(31), une commande d'interrupteur de l'alimentation (32), un interrupteur électronique (33), un microcontrôleur (34), un optocoupleur (35), et un comparateur (36), une source (30) en courant électrique. (31), a power switch control (32), an electronic switch (33), a microcontroller (34), an optocoupler (35), and a comparator (36), a current source (30) electric.
EP02803824A 2001-11-24 2002-11-21 Device for releasing the fastener of an accessory such as an oxygen mask on a helmet Expired - Lifetime EP1446196B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FR0115286A FR2832638A1 (en) 2001-11-24 2001-11-24 Aircraft pilot's helmet with device for automatic release of the oxygen mask on contact with water, where said emergency release device is an electro-mechanical device
FR0115286 2001-11-24
PCT/FR2002/003987 WO2003045502A1 (en) 2001-11-24 2002-11-21 Device for releasing the fastener of an accessory such as an oxygen mask on a helmet

Publications (2)

Publication Number Publication Date
EP1446196A1 true EP1446196A1 (en) 2004-08-18
EP1446196B1 EP1446196B1 (en) 2006-03-01

Family

ID=8869807

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02803824A Expired - Lifetime EP1446196B1 (en) 2001-11-24 2002-11-21 Device for releasing the fastener of an accessory such as an oxygen mask on a helmet

Country Status (7)

Country Link
US (1) US20050125969A1 (en)
EP (1) EP1446196B1 (en)
AT (1) ATE318646T1 (en)
AU (1) AU2002356257A1 (en)
DE (1) DE60209569D1 (en)
FR (1) FR2832638A1 (en)
WO (1) WO2003045502A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2472835B (en) * 2009-08-20 2014-03-12 Joseph Anthony Griffiths Respirator/breathing mask mounting system and adaptor

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4024440A (en) * 1975-02-13 1977-05-17 Conax Corporation Water activated pressurized gas release device
US4488546A (en) * 1983-06-23 1984-12-18 Bernhardt Apparatebau Gmbh & Co. Release mechanism for retention means for oxygen masks
US4863245A (en) 1984-02-28 1989-09-05 Exxon Research And Engineering Company Superlattice electrooptic devices
US4803980A (en) * 1986-10-20 1989-02-14 Conax Florida Corporation Automatic breathing mask release mechanism
US4869245A (en) * 1986-10-20 1989-09-26 Conax Florida Corporation Automatic release mechanism for a breathing mask
US5156146A (en) * 1990-04-09 1992-10-20 Conax Florida Corporation Water-activated anti-suffocation protection apparatus
US5129389A (en) * 1990-10-26 1992-07-14 Wickes Manufacturing Company Breathing mask supply tube release
GB2313399B (en) * 1996-05-24 1998-08-26 Helmet Integrated Syst Ltd Latching device

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO03045502A1 *

Also Published As

Publication number Publication date
DE60209569D1 (en) 2006-04-27
AU2002356257A1 (en) 2003-06-10
FR2832638A1 (en) 2003-05-30
US20050125969A1 (en) 2005-06-16
ATE318646T1 (en) 2006-03-15
WO2003045502A9 (en) 2004-06-10
EP1446196B1 (en) 2006-03-01
WO2003045502A1 (en) 2003-06-05

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