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WO2009147273A1 - Life-saving device - Google Patents

Life-saving device Download PDF

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Publication number
WO2009147273A1
WO2009147273A1 PCT/ES2009/070199 ES2009070199W WO2009147273A1 WO 2009147273 A1 WO2009147273 A1 WO 2009147273A1 ES 2009070199 W ES2009070199 W ES 2009070199W WO 2009147273 A1 WO2009147273 A1 WO 2009147273A1
Authority
WO
WIPO (PCT)
Prior art keywords
tank
balloon
mouth
neck
inflatable balloon
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.)
Ceased
Application number
PCT/ES2009/070199
Other languages
Spanish (es)
French (fr)
Inventor
Emiliox Garcia Vara
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of WO2009147273A1 publication Critical patent/WO2009147273A1/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63C—LAUNCHING, HAULING-OUT, OR DRY-DOCKING OF VESSELS; LIFE-SAVING IN WATER; EQUIPMENT FOR DWELLING OR WORKING UNDER WATER; MEANS FOR SALVAGING OR SEARCHING FOR UNDERWATER OBJECTS
    • B63C9/00—Life-saving in water
    • B63C9/08—Life-buoys, e.g. rings; Life-belts, jackets, suits, or the like
    • B63C9/081—Life-buoys, e.g. rings; Life-belts, jackets, suits, or the like having compartments comprising elements which are filled with gas by deployment, e.g. sponge-like elements

Definitions

  • the present invention belongs to the field of life-saving devices. Specifically, the invention relates to a device capable of being incorporated into elements of habitual use in aquatic leisure activities, so that it is not an obstacle to said activities, and that in case of emergency the lifeguard can be released and inflated.
  • lifeguards are known, these being traditionally swollen plastic bodies with air and subject to the waist or arms of the bathers.
  • the use of these lifeguards is associated with children or those who do not know how to swim. At the moment that the child or the person learns to function in the water, he or she tends to abandon the lifeguard because it is not perceived as necessary.
  • Spanish patent ES 2192479 A1 describes a lifeguard watch.
  • a compressed air reservoir, an inflatable float and a filament connecting the float to the watch case could be housed inside the watch, all this confined by a cover in which the clock machinery is located.
  • the swimmer who wears said watch drowns or has difficulties in the water, he could press two buttons on the watch in order to release the inflatable float, so that the compressed air swells the float so that the filament then joins the float to the box and, therefore, to the swimmer.
  • the description, however, of the patent does not detail how the inflation of the float is carried out, how once the float is inflated it does not deflate and how the filament joins the float to the box.
  • Patent ES 2194559 A1 describes a flotation rescue device.
  • Said device is constituted from a small bag, fanny pack or similar, which is fixed to the user's waist with the collaboration of a belt, said bag housing inside a small gas bottle connected through a valve mechanism and from a fitting, to a ball that remains normally deflated in the corresponding compartment.
  • the compartment opens when the bag lid is pulled, which in addition to releasing the ball in its tilting in the opening direction, pulls on the lever of the valve mechanism and causes automatic inflation of the balloon. In this way, the balloon being inflated acts as a lifeline.
  • the present device requires numerous elements and connections between them, in addition to the volume that the device as a whole requires.
  • the invention relates to a life-saving device comprising a body with a tank configured to house a compressed gas.
  • the tank will have a mouth so that the compressed gas it contains can escape.
  • the life-saving device additionally comprises an inflatable balloon and a cover configured to close the mouth of the tank, so that the compressed gas does not escape from inside the tank.
  • the inflatable balloon comprises a neck at one end open, said neck being thicker than the rest of the inflatable balloon.
  • the mouth of the tank comprises a housing configured to accommodate the neck of the inflatable balloon tightly, that is, the housing of the mouth of the tank and the neck of the inflatable balloon may be complementary, so that the neck can be fixed tight form in the housing.
  • the lifeguard device may comprise at least one opening button of the lid, such that said, at least one, button is configured to open the lid when pressed.
  • the lid suffers, while closed, the pressure exerted by the pressurized gas. Once the lid is opened, the pressurized gas can expand and exit through the mouth of the tank, so that, when the inflatable balloon is fixed in the mouth, the balloon will swell.
  • the neck of a greater thickness tightly fixed in the housing in the mouth of the tank and retained by the retention means, the swollen balloon is in solidarity with the life-saving device, without the balloon being able to be released or detached from its fixation .
  • the retention means may be a threaded ring in the mouth of the tank.
  • the ring will act by pressing the neck of the inflatable balloon, the inflatable balloon being able to pass through the hole of the ring when the lid is opened.
  • the gas under pressure acts on the lid of the tank, as mentioned above.
  • This pressure should be enough to be able to swell the balloon quickly and effectively. Since it is probable that the life-saving device is used sporadically, in order to ensure that there is a correct pressure to swell the balloon, a pressure gauge and a device to show the measured pressure can be installed in the tank lid, so which can be evaluated if there is sufficient pressure in the tank to swell the balloon.
  • the tank cover may include at least one alarm means, configured to alert the position of the person who has had to make use of the lifeguard device.
  • Some of the possible alarm means are, for example, light or acoustic signals, or a GPS signal for the location of the person. Said devices will become operational once the lid has been opened.
  • Figure 1.- Shows a perspective view of a preferred embodiment of the lifeguard device.
  • Figure 2. Shows a sectional view of the life-saving device in which the deposit can be observed.
  • Figure 3. Shows a sectional view of the inflatable balloon of the invention.
  • Figure 4. Shows a sectional view of the neck of the tank in which the inflatable balloon, the retention means and the lid have been placed.
  • Figure 5. Shows a sectional view of the lifeguard device once the lid has been opened and the balloon has swollen.
  • Figure 6. Shows a longitudinal section of a variant of realization of the lifeguard device, in a situation in which the device has not been activated.
  • Figure 7.- Shows a longitudinal section of the variant represented in Figure 6, in a situation where the operating lever has been displaced.
  • Figure 8.- Shows a schematic longitudinal section, such as those of Figures 6 and 7, in which the device has been activated, and the balloon is inflated.
  • FIGs 9-12 They show the activation sequence with one hand of the variant of the device represented in Figures 6 to 8.
  • Figure 1 shows the life device mounted and closed. It shows that, externally, the device consists of a body (1) with a tank (2) and a cover (5). To activate the cover (5), it has two opening buttons (9) that must be pressed simultaneously to open the cover (5) and that an inflatable balloon (4) contained inside the lifeguard device swells to act as a lifesaver
  • the reservoir (2) of compressed gas of the device of the invention can be observed, which, in its lower part, has a valve (13) for loading the gas.
  • the tank (2) will be designed so that it can withstand the pressure of the gas, as well as having sufficient capacity to swell the balloon (4), without it bursting by an overpressure.
  • Said housing (7) is a channel or groove in the perimeter of the mouth (3) of the tank (2) with one more opening narrow than the amplitude of the channel.
  • the inflatable balloon (4) is shown in Figure 3, in which it can be seen how the neck area (6), located at its open end, and its proximities are thicker than the rest of the inflatable balloon (4).
  • the neck (6) has a thickness slightly greater than the amplitude of the channel where said neck (6) is placed, so that when the neck (6) is placed in the channel, an adjustment will occur between the balloon (4 ) inflatable and the channel.
  • the inflatable balloon (4) may have a greater thickness to achieve a reinforcement in that area where it will suffer greater friction, due to the threaded ring (8) that will act as a retaining means (8) of the inflatable balloon (4) as will be discussed later.
  • the fixation of the inflatable balloon (4) to the channel will be reinforced with the presence of a ring (8) threaded in the mouth (3) of the tank (2) that will retain the neck (6) of the inflatable balloon (4) in the channel by Pressure. Additionally, this fact will cause the inflatable balloon (4) to act as a seal of the tank (2), as can be seen in Figure 4.
  • the balloon (4) at the moment the lid (5) is opened will pass through the hole of the threaded ring (8), retained as mentioned.
  • This same figure shows how the lid (5) of the tank (2) has a pressure gauge (10), whose measurement is shown on an indicator (1 1) of the lid (5), visible from the outside. This indicator may be configured to reflect the pressure value, or to be shown if the pressure is on a fork that guarantees the proper functioning of the life-saving device.
  • buttons (9) for opening the lid (5) which close the lid (5) and which require the operation of both so that the lid (5) is opened.
  • the two buttons (9) have at their opposite end to the end where they are pressed from rubber studs (12) designed to retain the buttons (9) locked in the position shown in the figure, preventing the lid (5) from being open.
  • the rubber studs (12) may be made in another embodiment by means of springs or any other material that has an elastic behavior. Said rubber studs (12) must be compressed to release the lid (5) and allow the balloon (4) to leave the tank (2) to carry out its lifeguard function.
  • the cover (5) will be fixed to the tank (2) by a hinge, for example, so that once opened it will remain attached to the life-saving device.
  • the mouth (3) of the tank (2) has a sealing sheet configured to be penetrated by a needle (19) when said tank ( 2) it is displaced by a user, releasing the gas under pressure and swelling the balloon (4), as can be seen in the longitudinal sections corresponding to Figures 6 to 8.
  • the device comprises a non-return valve (20), located in the needle (19), configured to prevent the released pressure gas from returning to the tank (2), when the user stops acting on the tank (2) once that the contained pressure gas has been released and the balloon (4) is swollen.
  • the balloon (4) is attached to the body (1) by means of an adjustment chamber (18) as an annular adjustment piece located between said balloon (4) and the tank (2), comprising an elastic stop (17) located between said adjustment chamber (18) and said reservoir (2), configured to place the reservoir (2) in its initial position prior to its movement by the user.
  • the body (1) consists of a lower body (V) and an upper body (V), so that the balloon (4) is housed in the upper body (V) and the reservoir (2 ) is housed in the lower body (V), wherein said lower body (V) comprises an actuation lever (14) configured to release a pressure pivot (15) actuated by a thrust strap (16) when said actuation lever
  • the push strap (16) is configured to move the tank (2), producing the penetration of the needle (19) in the sealing sheet, when said actuation lever (14) is again brought closer to the lower body (V), as depicted in Figures 8, 1, 1 and 12.
  • FIG 6 a longitudinal section of the device has been represented in the situation prior to its activation, which can also be seen in Figure 9.
  • the upper body (V) is configured to separate from the lower body (V), thus allowing replace the tank (2) and the balloon (4) when they have been used.
  • the lid (5) is attached to the body (1) by a retention hinge (21), which prevents said lid (5) from separating from the body (1) when the lid (5) is open.
  • the cover (5) can include alarm means, so that when the tank (2) is opened and the inflatable balloon (4) swells, they become operational.
  • the alarm means may be devices that emit an acoustic or luminous signal, in order to more easily locate the swimmer by said signals. It is also contemplated as a possibility to include a GPS transmitter so that the signal can be picked up by receiving teams of the beach lifeguards. At the moment the signal is emitted, it will be picked up by the receivers and that lifeguard who is closest to the injured person can go to his rescue.
  • the compressed gas will look for its exit from the tank (2), in which the inflatable balloon (4) is located. Therefore, the compressed gas will swell the balloon (4), the balloon (4) being attached to the life-saving device through its neck (6) fixed to the mouth (3) of the tank (2) and retained by the ring ( 8) threaded.
  • the balloon (4) will be a saturated red or yellow color in order to stand out against the background and be more visible to both other bathers and the rescue team that comes to their rescue.
  • the lifeguard device described may fit different parts of the body of the bathers.
  • a possible alternative is the fixing of body (1) to a tape placed to the neck as a collar.
  • a second embodiment could be to attach the body (1) to a tape for attachment to the forearm, arm or wrist.
  • the body (1) could also be placed at the waist.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Ocean & Marine Engineering (AREA)
  • Emergency Lowering Means (AREA)

Abstract

The invention relates to a life-saving device comprising a body (1) with a reservoir (2) designed to house a compressed gas, said reservoir (2) including a mouth (3) for the outflow of the compressed gas, an inflatable balloon (4) and a lid (5) designed to close the mouth (3) of the reservoir (2). In addition, the inflatable balloon (4) includes a neck (6) at the open end thereof and the mouth (3) of the reservoir (2) includes a seat (7) in which the neck (6) of the inflatable balloon (4) can be tightly housed.

Description

DISPOSITIVO SALVAVIDAS SALVAVIDAS DEVICE

D E S C R I P C I Ó ND E S C R I P C I Ó N

CAMPO DE LA INVENCIÓNFIELD OF THE INVENTION

La presente invención pertenece al campo de los dispositivos salvavidas. Concretamente, Ia invención se refiere a un dispositivo capaz de ser incorporado en elementos de uso habitual en actividades de ocio acuáticas, de modo que no sea un obstáculo para dichas actividades, y que en caso de emergencia el salvavidas pueda ser liberado e inflado.The present invention belongs to the field of life-saving devices. Specifically, the invention relates to a device capable of being incorporated into elements of habitual use in aquatic leisure activities, so that it is not an obstacle to said activities, and that in case of emergency the lifeguard can be released and inflated.

ANTECEDENTES DE LA INVENCIÓNBACKGROUND OF THE INVENTION

En el ámbito de actividades de ocio o recreacionales en playas, pantanos o piscinas son conocidos los salvavidas, siendo estos tradicionalmente cuerpos de plástico hinchados con aire y sujetos a Ia cintura o brazos de los bañistas. El uso de dichos salvavidas se asocia a niños o a aquellas personas que no saben nadar. En el momento que el niño o Ia persona aprende a desenvolverse en el agua tiende a abandonar el salvavidas debido a que éste no es percibido como necesario.In the field of leisure or recreational activities on beaches, swamps or swimming pools, lifeguards are known, these being traditionally swollen plastic bodies with air and subject to the waist or arms of the bathers. The use of these lifeguards is associated with children or those who do not know how to swim. At the moment that the child or the person learns to function in the water, he or she tends to abandon the lifeguard because it is not perceived as necessary.

Muchos de los bañistas rechazan el uso de salvavidas por motivos tales como que ya saben nadar y no se exponen a bañarse en malas condiciones del mar, que las personas a su cuidado permanecen siempre y en todo momento vigiladas, u otras que hacen referencia a criterios puramente estéticos o de apariencia. Sin embargo, cada año se contabilizan cientos de ahogados en playas, piscinas y pantanos.Many of the bathers reject the use of lifeguards for reasons such as that they already know how to swim and are not exposed to bathing in bad conditions of the sea, that the people in their care remain always and at all times monitored, or others that refer to criteria purely aesthetic or appearance. However, hundreds of drowned in beaches, pools and swamps are counted every year.

Con el fin de proporcionar una alternativa, Ia patente española ES 2192479 A1 describe un reloj salvavidas. Según dicha patente, en el interior del reloj se podría alojar un depósito para aire comprimido, un flotador hinchable y un filamento de unión del flotador a Ia caja reloj, todo ello confinado por una tapa en Ia que se sitúa Ia maquinaria del reloj. En el caso de que el bañista que portara dicho reloj se ahogara o tuviera dificultades en el agua, éste podría apretar dos botones en el reloj con el fin de liberar el flotador hinchable, que el aire comprimido hinchara el flotador para posteriormente el filamento uniera el flotador a Ia caja y, por Io tanto, al bañista. La descripción, sin embargo, de Ia patente no detalla cómo se lleva a cabo el inflado del flotador, cómo una vez inflado el flotador este no se desinfla y cómo el filamento une el flotador a Ia caja.In order to provide an alternative, Spanish patent ES 2192479 A1 describes a lifeguard watch. According to said patent, a compressed air reservoir, an inflatable float and a filament connecting the float to the watch case could be housed inside the watch, all this confined by a cover in which the clock machinery is located. In the event that the swimmer who wears said watch drowns or has difficulties in the water, he could press two buttons on the watch in order to release the inflatable float, so that the compressed air swells the float so that the filament then joins the float to the box and, therefore, to the swimmer. The description, however, of the patent does not detail how the inflation of the float is carried out, how once the float is inflated it does not deflate and how the filament joins the float to the box.

La patente ES 2194559 A1 describe un dispositivo de salvamento por flotación. Dicho dispositivo está constituido a partir de un pequeño bolso, tipo riñonera o similar, que se fija a Ia cintura del usuario con Ia colaboración de un cinturón, alojando dicho bolso en su interior a una pequeña botella de gas unida a través de un mecanismo valvular y de un racor, a un balón que se mantiene normalmente desinflado en el correspondiente compartimento. El compartimento se abre al traccionar Ia tapa del bolso, Ia cual además de liberar al balón en su basculación en sentido de apertura, tracciona sobre Ia palanca del mecanismo valvular y provoca el inflado automático del balón. De este modo, el balón al ser inflado actúa como salvavidas. Sin embargo, el presente dispositivo requiere de numerosos elementos y conexiones entre todos ellos, además del volumen que el dispositivo en su conjunto requiere.Patent ES 2194559 A1 describes a flotation rescue device. Said device is constituted from a small bag, fanny pack or similar, which is fixed to the user's waist with the collaboration of a belt, said bag housing inside a small gas bottle connected through a valve mechanism and from a fitting, to a ball that remains normally deflated in the corresponding compartment. The compartment opens when the bag lid is pulled, which in addition to releasing the ball in its tilting in the opening direction, pulls on the lever of the valve mechanism and causes automatic inflation of the balloon. In this way, the balloon being inflated acts as a lifeline. However, the present device requires numerous elements and connections between them, in addition to the volume that the device as a whole requires.

DESCRIPCIÓN DE LA INVENCIÓNDESCRIPTION OF THE INVENTION

La invención se refiere a un dispositivo salvavidas que comprende un cuerpo con un depósito configurado para alojar un gas comprimido. El depósito tendrá una boca para que el gas comprimido que contiene pueda salir. El dispositivo salvavidas comprende adicionalmente un globo hinchable y una tapa configurada para cerrar Ia boca del depósito, de modo que el gas comprimido no se escape del interior del depósito. De acuerdo con una realización preferente de Ia invención, se contempla que el globo hinchable comprenda un cuello por un extremo abierto, siendo dicho cuello de un grosor superior al del resto del globo hinchable. Complementariamente a esto, Ia boca del depósito comprende un alojamiento configurado para alojar ajustadamente el cuello del globo hinchable, es decir, el alojamiento de Ia boca del depósito y el cuello del globo hinchable podrán ser complementarios, de modo que el cuello pueda quedar fijado de forma ajustada en el alojamiento. Con el fin de dar una mayor fijación al globo hinchable, existirán medios de retención del cuello del globo hinchable en Ia boca del depósito. La zona en contacto del globo hinchable con los medios de retención, próxima al cuello, estará también reforzada, con el fin de soportar el posible rozamiento en el momento del inflado del globo. Por Io tanto, el globo hinchable quedará fijado al dispositivo salvavidas porque el cuello encaja en el alojamiento de Ia boca del depósito y porque adicionalmente los medios de retención imposibilitan Ia liberación del globo hinchable. Adicionalmente, el dispositivo salvavidas podrá comprender al menos un botón de apertura de Ia tapa, de tal manera que dicho, al menos un, botón está configurado para abrir Ia tapa al ser presionado.The invention relates to a life-saving device comprising a body with a tank configured to house a compressed gas. The tank will have a mouth so that the compressed gas it contains can escape. The life-saving device additionally comprises an inflatable balloon and a cover configured to close the mouth of the tank, so that the compressed gas does not escape from inside the tank. In accordance with a preferred embodiment of the invention, it is contemplated that the inflatable balloon comprises a neck at one end open, said neck being thicker than the rest of the inflatable balloon. In addition to this, the mouth of the tank comprises a housing configured to accommodate the neck of the inflatable balloon tightly, that is, the housing of the mouth of the tank and the neck of the inflatable balloon may be complementary, so that the neck can be fixed tight form in the housing. In order to give a greater fixation to the inflatable balloon, there will be retention means for the neck of the inflatable balloon in the mouth of the tank. The area in contact of the inflatable balloon with the retention means, close to the neck, will also be reinforced, in order to withstand the possible friction at the time of inflation of the balloon. Therefore, the inflatable balloon will be fixed to the life-saving device because the neck fits into the housing of the tank mouth and because additionally the retention means make it impossible to release the inflatable balloon. Additionally, the lifeguard device may comprise at least one opening button of the lid, such that said, at least one, button is configured to open the lid when pressed.

La tapa sufre, mientras está cerrada, Ia presión ejercida por el gas a presión. Una vez que Ia tapa se abre, el gas a presión podrá expandirse y salir por Ia boca del depósito, de tal modo que, al estar el globo hinchable fijado en Ia boca, el globo se hinchará. Al tener el globo hinchable el cuello de un grosor mayor, fijado ajustadamente en el alojamiento en Ia boca del depósito y retenido por los medios de retención, el globo hinchado queda solidarizado al dispositivo salvavidas, sin que el globo pueda liberarse o desprenderse de su fijación.The lid suffers, while closed, the pressure exerted by the pressurized gas. Once the lid is opened, the pressurized gas can expand and exit through the mouth of the tank, so that, when the inflatable balloon is fixed in the mouth, the balloon will swell. By having the inflatable balloon the neck of a greater thickness, tightly fixed in the housing in the mouth of the tank and retained by the retention means, the swollen balloon is in solidarity with the life-saving device, without the balloon being able to be released or detached from its fixation .

Los medios de retención podrán ser un anillo roscado en Ia boca del depósito. El anillo actuará presionando el cuello del globo hinchable, pudiendo por el orificio del anillo pasar el globo hinchable cuando Ia tapa se abra. Sobre Ia tapa del depósito, como se ha comentado anteriormente, actúa el gas a presión. Esta presión debería ser Ia suficiente como para poder hinchar el globo de manera rápida y efectiva. Dado que es probable que el dispositivo salvavidas se utilice esporádicamente, con el fin de asegurar que existe una presión correcta para hinchar el globo, se podrá instalar en Ia tapa del depósito un medidor de presión y un dispositivo para mostrar Ia presión medida, de modo que puede evaluarse si en el depósito hay Ia suficiente presión para hinchar el globo.The retention means may be a threaded ring in the mouth of the tank. The ring will act by pressing the neck of the inflatable balloon, the inflatable balloon being able to pass through the hole of the ring when the lid is opened. On the lid of the tank, as mentioned above, the gas under pressure acts. This pressure should be enough to be able to swell the balloon quickly and effectively. Since it is probable that the life-saving device is used sporadically, in order to ensure that there is a correct pressure to swell the balloon, a pressure gauge and a device to show the measured pressure can be installed in the tank lid, so which can be evaluated if there is sufficient pressure in the tank to swell the balloon.

La tapa del depósito podrá incluir al menos un medio de alarma, configurado para alertar de Ia posición de Ia persona que ha tenido que hacer uso del dispositivo salvavidas. Algunos de los posibles medios de alarma son, por ejemplo, señales lumínicas o acústicas, o una señal GPS para Ia localización de Ia persona. Dichos dispositivos entrarán en funcionamiento una vez que Ia tapa se haya abierto.The tank cover may include at least one alarm means, configured to alert the position of the person who has had to make use of the lifeguard device. Some of the possible alarm means are, for example, light or acoustic signals, or a GPS signal for the location of the person. Said devices will become operational once the lid has been opened.

DESCRIPCIÓN DE LOS DIBUJOSDESCRIPTION OF THE DRAWINGS

Para complementar Ia descripción que se está realizando y con objeto de ayudar a una mejor comprensión de las características de Ia invención, se acompaña como parte integrante de dicha descripción, un juego de dibujos en donde con carácter ilustrativo y no limitativo, se ha representado Io siguiente:To complement the description that is being made and in order to help a better understanding of the characteristics of the invention, a set of drawings is attached as an integral part of said description, in which, for illustrative and non-limiting purposes, Io has been represented. next:

Figura 1.- Muestra una vista en perspectiva de una realización preferente del dispositivo salvavidas.Figure 1.- Shows a perspective view of a preferred embodiment of the lifeguard device.

Figura 2.- Muestra una vista seccionada del dispositivo salvavidas en Ia que se puede observar el depósito. Figura 3.- Muestra una vista seccionada del globo hinchable de Ia invención.Figure 2.- Shows a sectional view of the life-saving device in which the deposit can be observed. Figure 3.- Shows a sectional view of the inflatable balloon of the invention.

Figura 4.- Muestra una vista seccionada del cuello del depósito en el que se ha colocado el globo hinchable, los medios de retención y Ia tapa.Figure 4.- Shows a sectional view of the neck of the tank in which the inflatable balloon, the retention means and the lid have been placed.

Figura 5.- Muestra una vista seccionada del dispositivo salvavidas una vez que Ia tapa se ha abierto y el globo se ha hinchado.Figure 5.- Shows a sectional view of the lifeguard device once the lid has been opened and the balloon has swollen.

Figura 6.- Muestra una sección longitudinal de una variante de realización del dispositivo salvavidas, en una situación en Ia que el dispositivo no ha sido activado.Figure 6.- Shows a longitudinal section of a variant of realization of the lifeguard device, in a situation in which the device has not been activated.

Figura 7.- Muestra una sección longitudinal de Ia variante representada en Ia figura 6, en una situación en Ia palanca de accionamiento ha sido desplazada.Figure 7.- Shows a longitudinal section of the variant represented in Figure 6, in a situation where the operating lever has been displaced.

Figura 8.- Muestra una sección longitudinal esquemática, como las de las figura 6 y 7, en Ia que el dispositivo ha sido activado, y el globo se encuentra inflado.Figure 8.- Shows a schematic longitudinal section, such as those of Figures 6 and 7, in which the device has been activated, and the balloon is inflated.

Las figuras 9-12. Muestran Ia secuencia de activación con una mano de Ia variante del dispositivo representada en las figuras 6 a 8.Figures 9-12. They show the activation sequence with one hand of the variant of the device represented in Figures 6 to 8.

REALIZACIÓN PREFERENTE DE LA INVENCIÓNPREFERRED EMBODIMENT OF THE INVENTION

A continuación, con referencia a las figuras, se describe un modo de realización preferente del dispositivo salvavidas que constituye el objeto de esta invención.Next, with reference to the figures, a preferred embodiment of the life-saving device which is the object of this invention is described.

La figura 1 muestra el dispositivo salvavidas montado y cerrado. En ella se observa que, exteriormente, el dispositivo consta de un cuerpo (1 ) con un depósito (2) y una tapa (5). Para el accionamiento de Ia tapa (5), ésta presenta dos botones (9) de apertura que deberán ser pulsados simultáneamente para abrir Ia tapa (5) y que un globo (4) hinchable contenido en el interior del dispositivo salvavidas se hinche para actuar como salvavidas. En Ia figura 2 se puede observar el depósito (2) de gas comprimido del dispositivo de Ia invención, el cual, en su parte inferior tiene una válvula (13) para proceder a Ia carga del gas. El depósito (2) será diseñado de modo que pueda soportar Ia presión del gas, así como que tenga Ia capacidad suficiente para hinchar el globo (4), sin que éste reviente por una sobrepresión. En Ia boca (3) del depósito (2) se observa el alojamiento (7) en el que se fija el globo (4) hinchable. Dicho alojamiento (7) es un canal o ranura en el perímetro de Ia boca (3) del depósito (2) con una abertura más estrecha que Ia amplitud del canal.Figure 1 shows the life device mounted and closed. It shows that, externally, the device consists of a body (1) with a tank (2) and a cover (5). To activate the cover (5), it has two opening buttons (9) that must be pressed simultaneously to open the cover (5) and that an inflatable balloon (4) contained inside the lifeguard device swells to act as a lifesaver In Figure 2, the reservoir (2) of compressed gas of the device of the invention can be observed, which, in its lower part, has a valve (13) for loading the gas. The tank (2) will be designed so that it can withstand the pressure of the gas, as well as having sufficient capacity to swell the balloon (4), without it bursting by an overpressure. In the mouth (3) of the tank (2) the housing (7) in which the inflatable balloon (4) is fixed is observed. Said housing (7) is a channel or groove in the perimeter of the mouth (3) of the tank (2) with one more opening narrow than the amplitude of the channel.

El globo (4) hinchable se muestra en Ia figura 3, en Ia que se puede ver cómo Ia zona del cuello (6), situado en su extremo abierto, y sus proximidades tienen un grosor superior al resto del globo (4) hinchable. Concretamente, el cuello (6) tiene un grosor ligeramente superior a Ia amplitud del canal donde se coloca dicho cuello (6), de tal modo que al colocarse el cuello (6) en el canal, se producirá un ajuste entre el globo (4) hinchable y el canal. Adicionalmente, fuera del canal el globo (4) hinchable podrá tener un mayor grosor para lograr un refuerzo en aquella zona en Ia que va a sufrir un mayor rozamiento, debido al anillo (8) roscado que actuará como medio de retención (8) del globo (4) hinchable como se comentará posteriormente.The inflatable balloon (4) is shown in Figure 3, in which it can be seen how the neck area (6), located at its open end, and its proximities are thicker than the rest of the inflatable balloon (4). Specifically, the neck (6) has a thickness slightly greater than the amplitude of the channel where said neck (6) is placed, so that when the neck (6) is placed in the channel, an adjustment will occur between the balloon (4 ) inflatable and the channel. Additionally, outside the channel, the inflatable balloon (4) may have a greater thickness to achieve a reinforcement in that area where it will suffer greater friction, due to the threaded ring (8) that will act as a retaining means (8) of the inflatable balloon (4) as will be discussed later.

La fijación del globo (4) hinchable al canal se reforzará con Ia presencia de un anillo (8) roscado en Ia boca (3) del depósito (2) que retendrá el cuello (6) del globo (4) hinchable en el canal por presión. Adicionalmente, este hecho causará que el propio globo (4) hinchable actúe como junta de estanqueidad del depósito (2), como se puede observar en Ia figura 4. El globo (4) en el momento que se abra Ia tapa (5) pasará a través del orificio del anillo (8) roscado, retenido tal y como se ha mencionado. En esta misma figura se observa como Ia tapa (5) del depósito (2) cuenta con un medidor de presión (10), cuya medida es mostrada en un indicador (1 1 ) de Ia tapa (5), visible desde el exterior. Este indicador podrá estar configurado de modo que refleje el valor de presión, o bien que se muestre si Ia presión está en una horquilla que garantice el buen funcionamiento del dispositivo salvavidas.The fixation of the inflatable balloon (4) to the channel will be reinforced with the presence of a ring (8) threaded in the mouth (3) of the tank (2) that will retain the neck (6) of the inflatable balloon (4) in the channel by Pressure. Additionally, this fact will cause the inflatable balloon (4) to act as a seal of the tank (2), as can be seen in Figure 4. The balloon (4) at the moment the lid (5) is opened will pass through the hole of the threaded ring (8), retained as mentioned. This same figure shows how the lid (5) of the tank (2) has a pressure gauge (10), whose measurement is shown on an indicator (1 1) of the lid (5), visible from the outside. This indicator may be configured to reflect the pressure value, or to be shown if the pressure is on a fork that guarantees the proper functioning of the life-saving device.

Se observa también en Ia figura los dos botones (9) de apertura de Ia tapa (5), que cierran Ia tapa (5) y que requieren de Ia actuación de ambos para que Ia tapa (5) sea abierta. Los dos botones (9) cuentan en su extremo opuesto al extremo por donde son presionados de unos tacos de goma (12) diseñados para retener los botones (9) enclavados en Ia posición mostrada en Ia figura, impidiendo que Ia tapa (5) se abra. Los tacos de goma (12) podrán ser realizados en otra realización mediante muelles o cualquier otro material que tenga un comportamiento elástico. Dichos tacos de goma (12) deberán ser comprimidos para liberar Ia tapa (5) y permitir que el globo (4) salga del depósito (2) para llevar a cabo su función de salvavidas. La tapa (5) estará fijada al depósito (2) mediante una bisagra, por ejemplo, por Io que una vez abierta permanecerá unida al dispositivo salvavidas.It is also observed in the figure the two buttons (9) for opening the lid (5), which close the lid (5) and which require the operation of both so that the lid (5) is opened. The two buttons (9) have at their opposite end to the end where they are pressed from rubber studs (12) designed to retain the buttons (9) locked in the position shown in the figure, preventing the lid (5) from being open The rubber studs (12) they may be made in another embodiment by means of springs or any other material that has an elastic behavior. Said rubber studs (12) must be compressed to release the lid (5) and allow the balloon (4) to leave the tank (2) to carry out its lifeguard function. The cover (5) will be fixed to the tank (2) by a hinge, for example, so that once opened it will remain attached to the life-saving device.

De acuerdo con una variante de realización del dispositivo de Ia invención, representada en las figuras 6 a 12, Ia boca (3) del depósito (2) tiene una lámina de sellado configurada para ser penetrada por una aguja (19) cuando dicho depósito (2) es desplazado por parte de un usuario, liberando el gas a presión e hinchando el globo (4), tal y como puede apreciarse en las secciones longitudinales correspondientes a las figuras 6 a 8.According to a variant embodiment of the device of the invention, represented in Figures 6 to 12, the mouth (3) of the tank (2) has a sealing sheet configured to be penetrated by a needle (19) when said tank ( 2) it is displaced by a user, releasing the gas under pressure and swelling the balloon (4), as can be seen in the longitudinal sections corresponding to Figures 6 to 8.

Asimismo, el dispositivo comprende una válvula antirretorno (20), situada en Ia aguja (19), configurada para impedir que el gas a presión liberado retorne al depósito (2), cuando el usuario deja de actuar sobre el depósito (2) una vez que el gas a presión contenido ha sido liberado y el globo (4) se encuentra hinchado.Likewise, the device comprises a non-return valve (20), located in the needle (19), configured to prevent the released pressure gas from returning to the tank (2), when the user stops acting on the tank (2) once that the contained pressure gas has been released and the balloon (4) is swollen.

Por su parte, el globo (4) se encuentra sujeto al cuerpo (1 ) mediante una cámara de ajuste (18) a modo de pieza anular de ajuste situada entre dicho globo (4) y el depósito (2), comprendiendo un tope elástico (17) situado entre dicha cámara de ajuste (18) y dicho depósito (2), configurado para situar el depósito (2) en su posición inicial previa a su desplazamiento por parte del usuario. De acuerdo con esta variante de realización el cuerpo (1 ) consiste en un cuerpo inferior (V) y un cuerpo superior (V), de forma que el globo (4) se aloja en el cuerpo superior (V) y el depósito (2) se aloja en el cuerpo inferior (V), donde dicho cuerpo inferior (V) comprende una palanca de accionamiento (14) configurada para liberar un pivote de presión (15) actuado por un fleje de empuje (16) cuando dicha palanca de accionamientoFor its part, the balloon (4) is attached to the body (1) by means of an adjustment chamber (18) as an annular adjustment piece located between said balloon (4) and the tank (2), comprising an elastic stop (17) located between said adjustment chamber (18) and said reservoir (2), configured to place the reservoir (2) in its initial position prior to its movement by the user. According to this variant embodiment, the body (1) consists of a lower body (V) and an upper body (V), so that the balloon (4) is housed in the upper body (V) and the reservoir (2 ) is housed in the lower body (V), wherein said lower body (V) comprises an actuation lever (14) configured to release a pressure pivot (15) actuated by a thrust strap (16) when said actuation lever

(14) es separada o levantada del cuerpo inferior (V) por un usuario, tal y como se ha representado en las figuras 7 y 10.(14) is separated or lifted from the lower body (V) by a user, such and as depicted in figures 7 and 10.

A su vez, el fleje de empuje (16) está configurado para desplazar el depósito (2), produciendo Ia penetración de Ia aguja (19) en Ia lámina de sellado, cuando dicha palanca de accionamiento (14) es acercada nuevamente al cuerpo inferior (V), tal y como se ha representado en las figuras 8, 1 1 y 12.In turn, the push strap (16) is configured to move the tank (2), producing the penetration of the needle (19) in the sealing sheet, when said actuation lever (14) is again brought closer to the lower body (V), as depicted in Figures 8, 1, 1 and 12.

En Ia figura 6, se ha representado una sección longitudinal del dispositivo en Ia situación previa a su activación, Ia cual puede apreciarse asimismo en Ia figura 9. El cuerpo superior (V) está configurado para separase del cuerpo inferior (V), permitiendo así reemplazar el depósito (2) y el globo (4) cuando han sido usados.In Figure 6, a longitudinal section of the device has been represented in the situation prior to its activation, which can also be seen in Figure 9. The upper body (V) is configured to separate from the lower body (V), thus allowing replace the tank (2) and the balloon (4) when they have been used.

Asimismo, al igual que en Ia realización preferente del dispositivo Ia tapa (5) está sujeta al cuerpo (1 ) mediante una bisagra de retención (21 ), que impide que dicha tapa (5) se separe del cuerpo (1 ) cuando Ia tapa (5) está abierta.Likewise, as in the preferred embodiment of the device, the lid (5) is attached to the body (1) by a retention hinge (21), which prevents said lid (5) from separating from the body (1) when the lid (5) is open.

De acuerdo con ambas realizaciones, Ia tapa (5) puede incluir medios de alarma, de tal modo que al abrirse el depósito (2) e hincharse el globo (4) hinchable éstos entren en funcionamiento. Los medios de alarma podrán ser dispositivos que emitan una señal acústica o luminosa, con el fin de situar más fácilmente al bañista por dichas señales. También se contempla como posibilidad incluir un emisor GPS de modo que Ia señal pueda ser captada por equipos receptores de los socorristas de Ia playa. En el momento que Ia señal se emita, ésta será captada por los receptores y aquel socorrista que esté más próximo al accidentado podrá ir a su rescate.According to both embodiments, the cover (5) can include alarm means, so that when the tank (2) is opened and the inflatable balloon (4) swells, they become operational. The alarm means may be devices that emit an acoustic or luminous signal, in order to more easily locate the swimmer by said signals. It is also contemplated as a possibility to include a GPS transmitter so that the signal can be picked up by receiving teams of the beach lifeguards. At the moment the signal is emitted, it will be picked up by the receivers and that lifeguard who is closest to the injured person can go to his rescue.

Una vez que Ia tapa (5) se haya abierto, el gas comprimido buscará su salida del depósito (2), en Ia que se encuentra el globo (4) hinchable. Por Io tanto, el gas comprimido hinchará el globo (4), quedando el globo (4) unido al dispositivo salvavidas a través de su cuello (6) fijado a Ia boca (3) del depósito (2) y retenido por el anillo (8) roscado. El globo (4) será de un color saturado rojo o amarillo con el fin de destacar sobre el fondo y ser más visible tanto para el resto de bañistas como para el equipo de rescate que acuda a su salvamento.Once the lid (5) has been opened, the compressed gas will look for its exit from the tank (2), in which the inflatable balloon (4) is located. Therefore, the compressed gas will swell the balloon (4), the balloon (4) being attached to the life-saving device through its neck (6) fixed to the mouth (3) of the tank (2) and retained by the ring ( 8) threaded. The balloon (4) will be a saturated red or yellow color in order to stand out against the background and be more visible to both other bathers and the rescue team that comes to their rescue.

El dispositivo salvavidas descrito podrá ajustarse a distintas partes del cuerpo de los bañistas. Una posible alternativa es Ia fijación de cuerpo (1 ) a una cinta colocada al cuello a modo de collar. Una segunda realización podría ser unir el cuerpo (1 ) a una cinta para su fijación al antebrazo, brazo o muñeca. Alternativamente, podría también colocarse el cuerpo (1 ) en Ia cintura.The lifeguard device described may fit different parts of the body of the bathers. A possible alternative is the fixing of body (1) to a tape placed to the neck as a collar. A second embodiment could be to attach the body (1) to a tape for attachment to the forearm, arm or wrist. Alternatively, the body (1) could also be placed at the waist.

A Ia vista de esta descripción y juego de figuras, el experto en Ia materia podrá entender que Ia invención ha sido descrita según una realización preferente de Ia misma, pero que múltiples variaciones pueden ser introducidas en dicha realización preferente, sin salir del objeto de Ia invención tal y como ha sido reivindicada. In view of this description and set of figures, the person skilled in the art may understand that the invention has been described according to a preferred embodiment thereof, but that multiple variations can be introduced in said preferred embodiment, without leaving the object of the invention as claimed.

Claims

R E I V I N D I C A C I O N E S 1.- Dispositivo salvavidas que comprende un cuerpo (1 ) con un depósito (2) configurado para alojar un gas comprimido, dicho depósito (2) con una boca (3) para Ia salida del gas comprimido, un globo (4) hinchable y una tapa (5) configurada para cerrar Ia boca (3) del depósito (2), caracterizado por que el globo (4) hinchable comprende un cuello (6) por un extremo abierto, Ia boca (3) del depósito (2) comprendiendo un alojamiento (7) configurado para alojar ajustadamente el cuello (6) del globo (4) hinchable.1.- Lifeguard device comprising a body (1) with a tank (2) configured to house a compressed gas, said tank (2) with a mouth (3) for the compressed gas outlet, an inflatable balloon (4) and a cover (5) configured to close the mouth (3) of the tank (2), characterized in that the inflatable balloon (4) comprises a neck (6) by an open end, the mouth (3) of the tank (2) comprising a housing (7) configured to tightly accommodate the neck (6) of the inflatable balloon (4). 2.- Dispositivo salvavidas según Ia reivindicación 1 , caracterizado por que el globo (4) hinchable comprende un cuello (6) por un extremo abierto, siendo dicho cuello (6) de un grosor superior al del resto del globo (4) hinchable, Ia boca (3) del depósito (2) comprendiendo un alojamiento (7) configurado para alojar ajustadamente el cuello (6) del globo (4) hinchable y medios de retención (8) del cuello (6) del globo (4) hinchable en Ia boca (3) del depósito (2).2. Lifeguard device according to claim 1, characterized in that the inflatable balloon (4) comprises a neck (6) by an open end, said neck (6) being thicker than the rest of the inflatable balloon (4), The mouth (3) of the tank (2) comprising a housing (7) configured to accommodate tightly the neck (6) of the inflatable balloon (4) and retention means (8) of the neck (6) of the inflatable balloon (4) in The mouth (3) of the tank (2). 3.- Dispositivo salvavidas según Ia reivindicación 2, caracterizado por que comprende al menos un botón (9) de apertura de Ia tapa (5), configurado para abrir Ia tapa (5) al ser presionado.3. Lifeguard device according to claim 2, characterized in that it comprises at least one button (9) for opening the lid (5), configured to open the lid (5) when pressed. 4.- Dispositivo salvavidas según cualquiera de las reivindicaciones 1 -3, caracterizado por que los medios de retención (8) son un anillo (8) roscado en Ia boca (3) del depósito (2).4. Lifeguard device according to any of claims 1 -3, characterized in that the retention means (8) are a ring (8) threaded into the mouth (3) of the tank (2). 5.- Dispositivo salvavidas según Ia reivindicación 1 , caracterizado por que Ia boca (3) del depósito (2) tiene una lámina de sellado configurada para ser penetrada por una aguja (19) cuando dicho depósito (2) es desplazado por parte de un usuario, liberando el gas a presión e hinchando el globo (4).5. Lifeguard device according to claim 1, characterized in that the mouth (3) of the tank (2) has a sealing sheet configured to be penetrated by a needle (19) when said tank (2) is displaced by a user, releasing the gas under pressure and swelling the balloon (4). 6.- Dispositivo salvavidas según Ia reivindicación 5, caracterizado por que comprende una válvula antirretorno (20), situada en Ia aguja (19), configurada para impedir que el gas a presión liberado retorne al depósito6. Lifeguard device according to claim 5, characterized in that it comprises a non-return valve (20), located in the needle (19), configured to prevent the released pressure gas from returning to the tank (2).(2). 7.- Dispositivo salvavidas según Ia reivindicación 6, caracterizado por que el globo (4) se encuentra sujeto al cuerpo (1 ) mediante una cámara de ajuste (18) situada entre dicho globo (4) y el depósito (2), comprendiendo un tope elástico (17) situado entre dicha cámara de ajuste (18) y dicho depósito (2), configurado para situar el depósito (2) en su posición inicial previa a su desplazamiento por parte del usuario.7. Lifeguard device according to claim 6, characterized in that the balloon (4) is attached to the body (1) by means of an adjustment chamber (18) located between said balloon (4) and the tank (2), comprising a elastic stop (17) located between said adjustment chamber (18) and said reservoir (2), configured to place the reservoir (2) in its initial position prior to its movement by the user. 8.- Dispositivo salvavidas según Ia cualquiera de las reivindicaciones 5 a 7, caracterizado por que el cuerpo (1 ) consiste en un cuerpo inferior (V) y un cuerpo superior (1 "), de forma que el globo (4) se aloja en el cuerpo superior (1 ") y el depósito (2) se aloja en el cuerpo inferior (V), donde dicho cuerpo inferior (V) comprende una palanca de accionamiento (14) configurada para liberar un pivote de presión (15) actuado por un fleje de empuje (16) cuando dicha palanca de accionamiento (14) es separada del cuerpo inferior (V) por un usuario, donde dicho fleje de empuje (16) está configurado para desplazar el depósito (2), produciendo Ia penetración de Ia aguja (19) en Ia lámina de sellado, cuando dicha palanca de accionamiento (14) es acercada nuevamente al cuerpo inferior (1 ').8. Lifeguard device according to any one of claims 5 to 7, characterized in that the body (1) consists of a lower body (V) and an upper body (1 "), so that the balloon (4) is housed in the upper body (1 ") and the reservoir (2) is housed in the lower body (V), wherein said lower body (V) comprises a drive lever (14) configured to release an actuated pressure pivot (15) by a push strap (16) when said actuation lever (14) is separated from the lower body (V) by a user, where said push strap (16) is configured to move the tank (2), producing the penetration of The needle (19) in the sealing sheet, when said actuation lever (14) is again brought closer to the lower body (1 '). 9.- Dispositivo salvavidas según Ia reivindicación 8, caracterizado por que el cuerpo superior (1 ") está configurado para separase del cuerpo inferior (V), permitiendo reemplazar el depósito (2) y el globo (4) cuando han sido usados. 9. Lifeguard device according to claim 8, characterized in that the upper body (1 ") is configured to separate from the lower body (V), allowing the tank (2) and the balloon (4) to be replaced when they have been used. 10.- Dispositivo salvavidas según cualquiera de las reivindicaciones anteriores, caracterizado por que Ia tapa (5) está sujeta al cuerpo (1 ) mediante una bisagra de retención (21 ), que impide que dicha tapa (5) se separe del cuerpo (1 ) cuando Ia tapa (5) está abierta.10. Lifeguard device according to any of the preceding claims, characterized in that the cover (5) is attached to the body (1) by a retention hinge (21), which prevents said cover (5) from separating from the body (1) ) when the lid (5) is open. 1 1.- Dispositivo salvavidas según cualquiera de las reivindicaciones anteriores, caracterizado por que Ia tapa (5) comprende un medidor de presión (10) y un indicador (1 1 ) para mostrar dicha medida.1 1. Lifeguard device according to any of the preceding claims, characterized in that the cover (5) comprises a pressure gauge (10) and an indicator (1 1) to show said measurement. 12.- Dispositivo salvavidas según cualquiera de las reivindicaciones anteriores, caracterizado por que Ia tapa (5) comprende medios de alarma, seleccionados entre acústicos, lumínicos y GPS, configurados dichos modios de alarma para entrar en funcionamiento cuando se abre Ia tapa (5). 12.- Lifeguard device according to any of the preceding claims, characterized in that the cover (5) comprises alarm means, selected from acoustic, light and GPS, said alarm modes configured to start operating when the lid is opened (5) .
PCT/ES2009/070199 2008-06-03 2009-06-03 Life-saving device Ceased WO2009147273A1 (en)

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ESU200801182 2008-06-03

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2786599A (en) * 1954-11-01 1957-03-26 Herbert H Higbee Automatic inflating device for life preservers
US3975785A (en) * 1974-05-06 1976-08-24 Carl Stadeker Life preserver baton
US4482333A (en) * 1982-04-30 1984-11-13 Geri Engineering, Inc. Automatic inflation system
EP0375811A1 (en) * 1988-12-21 1990-07-04 Ramsay Engineering (Pty) Limited Inflatable flotation assembly
US5333656A (en) * 1993-05-26 1994-08-02 Mackal Glenn H Auto inflator having dissolvable element under low pressure
US5852986A (en) * 1996-02-05 1998-12-29 Mackal; Glenn H. Automatic inflator with status indicators

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2786599A (en) * 1954-11-01 1957-03-26 Herbert H Higbee Automatic inflating device for life preservers
US3975785A (en) * 1974-05-06 1976-08-24 Carl Stadeker Life preserver baton
US4482333A (en) * 1982-04-30 1984-11-13 Geri Engineering, Inc. Automatic inflation system
EP0375811A1 (en) * 1988-12-21 1990-07-04 Ramsay Engineering (Pty) Limited Inflatable flotation assembly
US5333656A (en) * 1993-05-26 1994-08-02 Mackal Glenn H Auto inflator having dissolvable element under low pressure
US5852986A (en) * 1996-02-05 1998-12-29 Mackal; Glenn H. Automatic inflator with status indicators

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