EP1092924B1 - Pyrophoric lighter - Google Patents
Pyrophoric lighter Download PDFInfo
- Publication number
- EP1092924B1 EP1092924B1 EP00402795A EP00402795A EP1092924B1 EP 1092924 B1 EP1092924 B1 EP 1092924B1 EP 00402795 A EP00402795 A EP 00402795A EP 00402795 A EP00402795 A EP 00402795A EP 1092924 B1 EP1092924 B1 EP 1092924B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- wheel
- lighter
- teeth
- thumb wheel
- cover
- 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.)
- Expired - Lifetime
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23Q—IGNITION; EXTINGUISHING-DEVICES
- F23Q2/00—Lighters containing fuel, e.g. for cigarettes
- F23Q2/34—Component parts or accessories
- F23Q2/46—Friction wheels; Arrangement of friction wheels
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23Q—IGNITION; EXTINGUISHING-DEVICES
- F23Q2/00—Lighters containing fuel, e.g. for cigarettes
- F23Q2/16—Lighters with gaseous fuel, e.g. the gas being stored in liquid phase
- F23Q2/164—Arrangements for preventing undesired ignition
Definitions
- the subject of the present invention is a gas lighter, with rocket and wheel ignition, fitted with a safety device intended in particular but not exclusively, to prevent the use of such a lighter by persons normally incapable of appreciating the potential danger of a flame, such as children.
- a conventional disposable lighter comprises a body containing a tank of pressurized liquefied gas, a control lever acting on a gas passage valve and the flat end of which constitutes the pusher on which a finger of the user, a thumb wheel will be pressed, a lighter stone in contact with the thumbwheel and a regulator transforming the liquefied gas into gas which can escape through the burner.
- the wheel is usually surrounded on either side by coaches, toothed, grooved or grooved to avoid slippage, of larger diameter than that of the wheel which reduce the effort necessary for the rotation of the latter and avoid a direct contact of the hand with the wheel always loaded with dust.
- the ignition of the lighter requires two conditions, namely the simultaneous presence, in the same area, above the burner, of sparks and of expanded gas.
- Numerous "child-resistant” safeties have already been proposed and, for some, applied, which aim to inhibit the release of gas.
- a second type of security aims to prevent the rotation of the wheel until a prior operation has not been carried out, the movement of the pusher remaining free. It can be either a movement of the coaches and the wheel in the forward direction, or a vertical support on the trainer-wheel assembly which allows the latter to be clutched.
- WO96 / 41103 and WO95 / 04247 is provided an elastically deformable guard, covering part of the wheel, surrounded by coaches.
- This deformable element is linked to the body of the lighter. Sufficient pressure (which children generally cannot apply) must be applied to the guard to deform it before the wheel can be turned and sparks can be produced.
- a finger or a brake is provided to prevent the wheel from turning when the push-button is pressed, which would allow ignition using two hands.
- the coaches are shaped so that the wheel can be driven only under the action of an inch of relatively large size which is not the case for the thumbs of children who cannot do turn the wheel to produce sparks, the gas outlet remaining possible at any time.
- the wheel and its trainers are movable along oblique grooves, between an upper position for blocking at least one trainer by a toothed surface, and a lower release position.
- the wheel is biased towards the locking position by the lighter, which itself is pressed against the wheel by a spring.
- the wheel can only be rotated when the user exerts on the wheel and its coaches sufficient downward force to move them towards the release position.
- the dial is not locked in the release position when the user presses the button.
- the idea which is the basis of the invention consists in blocking the thumb wheel to prevent the formation of sparks whether the push-button is pressed or not to ensure better resistance to illicit uses.
- the invention relates to a gas lighter equipped with a safety device, comprising a body containing a tank of pressurized liquefied gas, a lever forming, at its rear part, a pusher on which a user finger can come to press. , acting on a gas passage valve connected to a burner, a wheel, a lighter stone in contact with the wheel under the action of a spring placed under the stone, the wheel being surrounded on either side by coaches and forming a whole with it driver, the assembly being pivotally mounted about an axis resting in a yoke projecting from the upper part of the lighter body and partially surrounded by a cover further comprising means for blocking the rotation of the thumb wheel cooperating with the less a driver, characterized in that the locking means comprise a wheel cover having at its front part a plate mounted to slide against the lower surface of the cover, the plate having at its rear part a flange which can come into contact with the teeth of '' at least one coach.
- the protective wheel cover is rigid and fixed by its rear part to the lever, between the wheel and the pusher.
- the axis is slidably mounted in rectilinear grooves of the yoke between an upper blocking position and a free lower position.
- the flange is in contact with teeth of a driver when the axis is in the high position.
- the flange is not in contact with the teeth when the axis is in the low position and the user does not press on the pusher.
- the flange is in contact with the teeth when the axis is in the low position and the user presses the plunger.
- the axis is fixed in translation relative to the yoke, the flange coming into contact with the teeth of a coach when the user presses on the pusher.
- the wheel cover rises to the level of the coaches when the user presses the button.
- the lighter body 1 comprising a liquefied gas tank (not shown) is provided, at its upper part, as known per se, with an ignition assembly 23 rotatably mounted on the body 1 of the lighter, including a wheel 2 secured in rotation of coaches 3 (only one of which appears in the figure), the assembly being journalled in the body of the lighter by means of an axis 4 resting in a yoke 4a.
- This assembly is partially covered by a cover 5 which extends from the front of the lighter, on the right of the figure, to the rear part of the wheel-drive assembly which it only partially covers.
- the periphery of the wheel 2 is always in contact with a cylindrical stone 7 which is pressed upwards by a spring 71 in a cylindrical housing 6 formed in the body 1 of the lighter.
- the rotation of the dial in the sinistrorsum direction causes the projection of sparks above the burner 8.
- the burner 8 can be raised upwards to open an exhaust valve (not shown) for the gas contained in the tank included in the body 1 of the figure under the action of a lever 9 whose rear end constitutes a pusher 10 on the surface of which can come to rest a finger, usually the thumb, of a user.
- the lever 9 is pivotally mounted on the body 1 of the lighter by means of half-axes 11, in the extension of one another, journalled in the yoke 4a, on either side of the stone 7.
- the half-axes 11 are located below the axis 4 of the thumb wheel 2.
- the pusher is permanently returned upwards (position it occupies in FIG. 1) by a spring 12 whose lower end rests on the bottom of a lighter cavity.
- a spring can be arranged (not shown) allowing, as known per se, to delay the release of the gas when the lever 9 begins its upward movement.
- Other valve configurations can, of course, be used without departing from the scope of the invention.
- Figures 1 to 3 show a first embodiment using a wheel cover during the various operating steps.
- the shape of the wheel cover is of the type shown in FIG. 19.
- Figure 19 shows the rigid wheel cover in perspective. It comprises in its front part a flat or cup-shaped surface 142 pierced with a hole 149 for the passage of gas, extending towards the rear by a flange 143, projecting relative to the surface 142. From the rear part from the surface 142 extends the actual wheel cover 14 which is extended downwards by a tab 141 which can be secured to the pusher by a lug 144. The wheel cover 14 is extended forward by the plate 142 which takes pressing against the lower surface of the cover 5 on which it can slide between two positions corresponding to the extinction and lighting positions of the lighter, the front edge 147 of the plate 142 always remaining below the lower surface of the cover 5.
- the second branch 141 of the wheel cover is included in a transverse slot of the lever 9, in which its lower end is fixed.
- the axis 4 of the igniter assembly 23 is slidably mounted in two oblong slots 200 provided in the yoke 4a projecting above the body 1 of the lighter, at the upper part thereof.
- the spring 71 placed below the stone 7 and which normally aims to press the stone on the wheel moves the axis 4 thereof against the top 202 of the oblong slot 200. It is the position which is shown in Figure 1 in which the lighter is in the extinguished or quiescent state.
- the edge 143 of the plate 142 is applied between two teeth 30 of the coaches 3 which prevents any rotation of the dial and, consequently, the production of sparks. And if you press the button, the wheel remains blocked.
- the lighter is in the "ready" position for ignition, which will be obtained by rotation of the igniter assembly 23 and immediate pressing on the pusher 10. This position is obtained by pressing down on the is shown on the igniter assembly 23 which bears against the edge 203 of the lights 200, only one of which appears in the figures.
- the cover 14 remains in its initial position. It follows that the teeth 30 of the driver 3 escape the front edge 143 of the plate 142 and that the wheel 2 can be rotated.
- the embodiment which has just been described uses a wheel cover 14. Such a part is not necessary in the embodiment shown in FIGS. 5 to 7.
- the axis 4 of the wheel is slidably mounted in two grooves 200, one on each side of the yoke, between a high position 202 and a low position 203.
- the spring 71 of the stone pushes, by the intermediate thereof, the axis 4 against the upper end 202 of the groove 200.
- the groove 200 is preferably slightly inclined relative to the vertical. The rotation of the dial must be prohibited in this position.
- FIG 7 which is a view from above of a lighter according to the invention, there is shown a cover 5 provided with two legs 51 symmetrical with respect to the axis of the lighter. But a single leg may be sufficient.
- the axis 4 is brought up towards the top of the groove 200 under the action of the spring 71. That is to say that the support on the pusher 10 must be carried out between the rotation of the wheel 2 by the coaches 3 and the return to the top of the axis 4.
- FIG. 10 is a section along line XX of FIG. 8 on which the notch 51 and the internal toothing 32 of the crown 31 which appears in cooperation with the notch 51 appear better when the axis 4 is in the high position which corresponds to the Figure 8 rest position.
- Figures 11 and 12 are vertical sections through the plane of symmetry of the lighter and Figure 13 a vertical section along the line XIII-XIII of Figure 11. They show another embodiment with coaches with double crown 30,31 and an axis 4 of the ignition assembly 23 slidably mounted in a rectilinear groove 200 which is preferably inclined relative to the vertical.
- the locking of the wheel is obtained by carrying a lug or the like against the teeth of the internal crown 31.
- the lug or notch 52 is molded in the body of the lighter, inside the yoke 4a and protruding towards the inside of the lighter.
- one or two legs can be provided.
- the cover 5 is itself permanently snapped on, although it is removable, using lugs 53.
- FIG. 14 shows another mode of blocking the thumb wheel using a yoke 4a having a groove rectilinear 200.
- a rectilinear groove 200 has been shown so as not to unnecessarily overload the drawing.
- This groove, formed in the yoke 4a remains, of course fixed relative to the body 1 of the lighter when the ignition assembly 23 slides down.
- This groove has, at its upper part a notch 201.
- the axis 41 is no longer circular, as previously, but has, on at least one of its sides a cavity 42 whose shape corresponds to that of the notch 201.
- the notch 201 is provided at the upper part 202 of the rectilinear groove 200.
- the axis 41 has a cross section so that there are four cavities 42.
- the spring of stone pushes up the ignition assembly 23 which, as shown in FIG. 18 prevents the rotation of the thumb wheel 2, the rotation of the assembly 23 being blocked by bearing of the notch 201 in one of the cavities 42 .
- this support causes the spring 71 of the stone 7 to be compressed and the axis 41 to descend below the notch 201 so that the axis 41 can rotate and drive the thumb wheel.
- the release comes from a variation in level of the axis 4 of the wheel relative to the body of the lighter.
- the movements of the pusher and the exhaust of the gas remain free.
- FIGS. 16 to 18 makes it possible to obtain this result and no longer uses a movable ignition assembly but again a wheel cover 14.
- the wheel cover 14 is extended towards the front by a flat plate 142 or in the form of a cup such as that which is represented in FIG. 19, bearing against the lower surface of the cover 5 on which it can slide between two positions corresponding to the extinction and ignition positions of the lighter, the front edge 147 of the plate 142 always remaining below the lower surface of the cover 5.
- the second branch 141 of the wheel cover is included in a transverse slot of the lever 9, in which its lower end is fixed.
- a projection 143 is provided in the rear part of the plate 142. In the off or rest position, the projection 143 is outside the periphery of the teeth 30 of the coaches 3. The coaches and consequently the wheel 2 which is integral of these in rotation can rotate. It will be noted that, in this position, the area 30a of the teeth 30 is accessible.
- Figure 18 is a view from above of a lighter in the embodiment of Figures 16 and 17. It can be seen that the wheel cover 14 surrounds the wheel 2 and that the plate 142 has a shape similar to that of the body of the lighter , the rear edge 143 of the plate penetrating between two teeth 30 of the coaches 3.
- the wheel cover is fixed by one of its ends on the rear side of the pusher and is extended forward by a flat surface which can slide against the underside of the cover. Pressing the button thus causes the wheel cover to move backwards, which rises at the level of the coaches. This movement also causes the rear edge 143 of the face 142 to be clutched together with at least one of the coaches, which blocks the wheel when the pusher is pressed. In the extinction or rest position, the projection 143 is outside the periphery of the teeth 30 of the coaches 3. The coaches and consequently the wheel 2 which is integral with these in rotation can rotate. It will be noted that, in this position, the area 30a of the teeth 30 is accessible.
- the wheel cover 14 whose periphery extends over approximately 270 ° is fixed by one of its ends around the wheel 2 on the 'before the lever 9 so that, when the lighter is in the rest or extinction position, the teeth 30a of the coaches are accessible and that, when a pressure is applied to the pusher, they are no longer accessible, the cover wheel 14 coming at the same level (or at a higher level) than their peripheries in the rear region of the coaches.
- This difference in relative position of the wheel cover 14 and the coaches 3 comes from the fact that, when the push button is pressed, the pivot centers of the push lever and the wheel cover are not the same.
- Figure 22 shows in perspective a wheel cover ring 14 according to the invention.
- the front part 15 of the wheel cover 14 extends over a width substantially equal to the overall width of the two coaches and has a slot 17 allowing the passage of sparks.
- This front part is continued by a narrower part 18 whose width is substantially equal to that of the thumbwheel and ends with an end 16.
- the edge of the part 15 can be fixed by any means in the front part of the lever 9 and , through example, by clipping or overmolding in bosses 19.
- the rigid wheel cover is fixed by its front end, it can be fixed by its two front and rear ends respectively on the front and the rear of the lever relative with the thumbwheel, the thumbwheel cover moves like the push lever.
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Lighters Containing Fuel (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)
Abstract
Description
La présente invention a pour objet un briquet à gaz, à allumage par pierre et molette, muni d'un dispositif de sécurité destiné en particulier mais non exclusivement, à prévenir l'usage d'un tel briquet par des personnes normalement incapables d'apprécier le danger potentiel d'une flamme, tels que des enfants.The subject of the present invention is a gas lighter, with rocket and wheel ignition, fitted with a safety device intended in particular but not exclusively, to prevent the use of such a lighter by persons normally incapable of appreciating the potential danger of a flame, such as children.
Un briquet jetable conventionnel comprend un corps contenant un réservoir de gaz liquéfié sous pression, un levier de commande agissant sur une valve de passage du gaz et dont une extrémité plane constitue le poussoir sur lequel viendra presser un doigt de l'utilisateur, une molette, une pierre à briquet en contact avec la molette et un détendeur transformant le gaz liquéfié en gaz qui peut s'échapper par le brûleur. La molette est habituellement entourée de part et d'autre par des entraîneurs, dentés, cannelés ou rainurés pour éviter les glissements, de diamètre plus important que celui de la molette qui diminuent l'effort nécessaire à la rotation de celle-ci et évitent un contact direct de la main avec la molette toujours chargée de poussières.A conventional disposable lighter comprises a body containing a tank of pressurized liquefied gas, a control lever acting on a gas passage valve and the flat end of which constitutes the pusher on which a finger of the user, a thumb wheel will be pressed, a lighter stone in contact with the thumbwheel and a regulator transforming the liquefied gas into gas which can escape through the burner. The wheel is usually surrounded on either side by coaches, toothed, grooved or grooved to avoid slippage, of larger diameter than that of the wheel which reduce the effort necessary for the rotation of the latter and avoid a direct contact of the hand with the wheel always loaded with dust.
L'allumage du briquet nécessite deux conditions à savoir la présence simultanée, dans une même zone, au-dessus du brûleur, d'étincelles et de gaz détendu. De nombreuses sécurités "child-resistant" ont déjà été proposées et, pour certaines, appliquées, qui visent à inhiber, la libération du gaz.The ignition of the lighter requires two conditions, namely the simultaneous presence, in the same area, above the burner, of sparks and of expanded gas. Numerous "child-resistant" safeties have already been proposed and, for some, applied, which aim to inhibit the release of gas.
La majorité des dispositifs proposés font appel à un blocage amovible du poussoir qui empêche celui-ci de descendre, donc de libérer le gaz tant qu'une opération préalable n'a pas été effectuée. Il s'agit souvent de la libération d'un cran de sûreté. Avant cette opération, le poussoir ne peut pas ouvrir la valve et le gaz ne sort pas, la formation d'étincelles ne constituant pas un danger important.The majority of the devices proposed use a removable blocking of the pusher which prevents it from going down, therefore releasing the gas until a prior operation has been carried out. It is often the release of a safety catch. Before this operation, the pusher cannot open the valve and the gas does not come out not, the formation of sparks not constituting a significant danger.
Un second type de sécurité vise à empêcher la rotation de la molette tant qu'une opération préalable n'a pas été réalisée, le mouvement du poussoir restant libre. Il peut s'agir, soit d'un mouvement des entraîneurs et de la molette en direction avant, soit d'un appui vertical sur l'ensemble entraîneurs-molette qui permet un embrayage de celle-ci.A second type of security aims to prevent the rotation of the wheel until a prior operation has not been carried out, the movement of the pusher remaining free. It can be either a movement of the coaches and the wheel in the forward direction, or a vertical support on the trainer-wheel assembly which allows the latter to be clutched.
Il a déjà été proposé de bloquer, en position d'extinction, la rotation de la molette en prévoyant deux positions de celles-ci, une position de repos et une position de travail ou d'allumage. On peut citer par exemple EP-A-672 867 et FR-A-2736 420, documents dans lesquels l'axe de rotation commun à la molette et à ses entraîneurs est mobile sous l'action d'une pression dans une rainure rectiligne formant came de sorte que, si la molette n'est pas enfoncée, la molette attaque la pierre dans une position qui n'est pas tangente ce qui implique un blocage de la molette par la pierre.It has already been proposed to block, in the extinguishing position, the rotation of the dial by providing two positions thereof, a rest position and a working or ignition position. One can cite for example EP-A-672 867 and FR-A-2736 420, documents in which the axis of rotation common to the thumb wheel and its coaches is movable under the action of a pressure in a rectilinear groove forming cam so that, if the wheel is not pressed, the wheel attacks the stone in a position which is not tangent which implies a blocking of the wheel by the stone.
Dans WO96/41103 et WO95/04247 est prévue une garde élastiquement déformable, couvrant une partie de la molette, entourée par des entraîneurs. Cet élément déformable est lié au corps du briquet. Une pression suffisante (que ne peuvent généralement pas appliquer les enfants) doit être exercée sur la garde pour la déformer avant de pouvoir faire tourner la molette et produire des étincelles. Un doigt ou un frein est prévu pour éviter que la molette puisse tourner lorsque le poussoir est enfoncé ce qui permettrait un allumage en employant deux mains.In WO96 / 41103 and WO95 / 04247 is provided an elastically deformable guard, covering part of the wheel, surrounded by coaches. This deformable element is linked to the body of the lighter. Sufficient pressure (which children generally cannot apply) must be applied to the guard to deform it before the wheel can be turned and sparks can be produced. A finger or a brake is provided to prevent the wheel from turning when the push-button is pressed, which would allow ignition using two hands.
Dans FR-A-2731775, les entraîneurs sont conformés pour que la molette ne puisse être entraînée que sous l'action d'un pouce de dimension relativement grande ce qui n'est pas le cas des pouces d'enfants qui ne peuvent pas faire tourner la molette pour produire des étincelles, la sortie de gaz restant possible à tout moment.In FR-A-2731775, the coaches are shaped so that the wheel can be driven only under the action of an inch of relatively large size which is not the case for the thumbs of children who cannot do turn the wheel to produce sparks, the gas outlet remaining possible at any time.
Dans US 5 676 537, la molette et ses entraîneurs sont mobiles le long de rainures obliques, entre une position supérieure de blocage d'au moins un entraîneur par une surface dentée, et une position inférieure de libération. La molette est sollicitée vers la position de blocage par la pierre à briquet, elle-même sollicitée contre la molette par un ressort. La molette ne peut être tournée que quand l'utilisateur exerce sur la molette et ses entraîneurs un effort vers le bas suffisant pour déplacer ceux-ci vers la position de libération.In US Pat. No. 5,676,537, the wheel and its trainers are movable along oblique grooves, between an upper position for blocking at least one trainer by a toothed surface, and a lower release position. The wheel is biased towards the locking position by the lighter, which itself is pressed against the wheel by a spring. The wheel can only be rotated when the user exerts on the wheel and its coaches sufficient downward force to move them towards the release position.
Toutefois la molette n'est pas bloquée en position de libération quand l'utilisateur appuie sur le poussoir.However, the dial is not locked in the release position when the user presses the button.
Aucun de ces systèmes ne répond parfaitement aux desiderata des utilisateurs autorisés qui souhaitent une solution au problème de la sécurité enfant, par blocage de la molette dans le plus grand nombre de configurations possibles du briquet.None of these systems responds perfectly to the wishes of authorized users who want a solution to the problem of child safety, by blocking the wheel in as many configurations of the lighter as possible.
L'idée qui est à la base de l'invention consiste à bloquer la molette pour interdire la formation d'étincelles que le poussoir soit pressé ou non pour assurer une meilleure résistance à des utilisations illicites.The idea which is the basis of the invention consists in blocking the thumb wheel to prevent the formation of sparks whether the push-button is pressed or not to ensure better resistance to illicit uses.
L'invention concerne un briquet à gaz équipé d'un dispositif de sécurité, comprenant un corps contenant un réservoir de gaz liquéfié sous pression, un levier formant, à sa partie arrière, un poussoir sur lequel peut venir appuyer le doigt d'un utilisateur, agissant sur une soupape de passage du gaz reliée à un brûleur, une molette, une pierre à briquet en contact avec la molette sous l'action d'un ressort disposé sous la pierre, la molette étant entourée de part et d'autre par des entraîneurs et formant avec celle-ci un ensemble entraîneur, l'ensemble étant monté pivotant autour d'un axe prenant appui dans une chape en saillie sur la partie supérieure du corps de briquet et partiellement entouré par un capot comprenant en outre des moyens de blocage de la rotation de la molette coopérant avec au moins un entraîneur, caractérisé en ce que les moyens de blocage comportent un cache-molette présentant à sa partie avant une plaque montée coulissante contre la surface inférieure du capot, la plaque présentant à sa partie arrière un rebord pouvant entrer en contact avec les dents d'au moins un entraîneur.The invention relates to a gas lighter equipped with a safety device, comprising a body containing a tank of pressurized liquefied gas, a lever forming, at its rear part, a pusher on which a user finger can come to press. , acting on a gas passage valve connected to a burner, a wheel, a lighter stone in contact with the wheel under the action of a spring placed under the stone, the wheel being surrounded on either side by coaches and forming a whole with it driver, the assembly being pivotally mounted about an axis resting in a yoke projecting from the upper part of the lighter body and partially surrounded by a cover further comprising means for blocking the rotation of the thumb wheel cooperating with the less a driver, characterized in that the locking means comprise a wheel cover having at its front part a plate mounted to slide against the lower surface of the cover, the plate having at its rear part a flange which can come into contact with the teeth of '' at least one coach.
Par exemple, le cache-molette de protection est rigide et fixé par sa partie arrière sur le levier, entre la molette et le poussoir.For example, the protective wheel cover is rigid and fixed by its rear part to the lever, between the wheel and the pusher.
Avantageusement, l'axe est monté coulissant dans des rainures rectilignes de la chape entre une position haute de blocage et une position basse libre.Advantageously, the axis is slidably mounted in rectilinear grooves of the yoke between an upper blocking position and a free lower position.
De préférence, le rebord est en contact avec des dents d'un entraîneur lorsque l'axe est en position haute.Preferably, the flange is in contact with teeth of a driver when the axis is in the high position.
Par exemple, le rebord n'est pas en contact avec les dents quand l'axe est en position basse et que l'utilisateur n'appuie pas sur le poussoir.For example, the flange is not in contact with the teeth when the axis is in the low position and the user does not press on the pusher.
Avantageusement, le rebord est en contact avec les dents quand l'axe est en position basse et que l'utilisateur appuie sur le poussoir.Advantageously, the flange is in contact with the teeth when the axis is in the low position and the user presses the plunger.
De préférence, l'axe est fixe en translation relativement à la chape, le rebord entrant en contact avec les dents d'un entraîneur quand l'utilisateur appuie sur le poussoir.Preferably, the axis is fixed in translation relative to the yoke, the flange coming into contact with the teeth of a coach when the user presses on the pusher.
Par exemple, le cache-molette s'élève au niveau des entraîneurs quand l'utilisateur appuie sur le poussoir.For example, the wheel cover rises to the level of the coaches when the user presses the button.
D'autres caractéristiques et avantages de l'invention apparaîtront au cours de la description qui va suivre de modes particuliers de réalisation, donnés uniquement à titre d'exemple non limitatif, en regard des dessins qui représentent :
- les figures 1, 2, 3 et 4 des vues d'un briquet selon le premier mode de réalisation.
- les figures 5,6 et 7 des vues d'un second mode de réalisation respectivement en coupe verticale de la partie supérieure d'un briquet en position d'extinction (fig.5), en position d'allumage (fig.6) et en vue par-dessus (fig.7), dans lequel le blocage de la molette est obtenu par une pièce en saillie intérieure du capot;
- les figures 8 à 10, dans les mêmes conditions, un autre mode de réalisation dans lequel les entraîneurs comprennent une couronne extérieure et une couronne dentée intérieure
- les figures 11, 12 et 13 dans les mêmes conditions un autre mode de réalisation dans lequel les moyens de blocage sont solidaires du corps du briquet et plus précisément de la chape de montage de l'ensemble d'allumage ;
- la figure 14, encore un mode de réalisation dans lequel le blocage de la molette s'effectue sur l'axe de celle-ci;
- la figure 15, une vue en coupe selon la ligne XV-XV de la figure 14;
- la figure 16, une vue en coupe verticale d'un autre mode de réalisation, dans lequel l'ensemble d'allumage n'est pas mobile par rapport au corps du briquet le briquet étant en position d'extinction;
- la figure 17, dans les mêmes conditions que sur la figure 16, le briquet en position d'allumage;
- la figure 18, une vue par-dessus d'un briquet selon l'invention dans le second mode de réalisation;
- la figure 19, une vue du cache molette dans le mode de réalisation des figures 1 à 4;
- les figures 20 et 21 un autre mode de réalisation dans lequel le cache molette est fixé à l'avant du levier de poussoir.
- La figure 22 une vue d'un cache molette.
- Figures 1, 2, 3 and 4 views of a lighter according to the first embodiment.
- FIGS. 5, 6 and 7 of the views of a second embodiment respectively in vertical section of the upper part of a lighter in the extinguished position (fig. 5), in the ignition position (fig. 6) and in top view (fig. 7), in which the locking of the wheel is obtained by an internal projecting part of the cover;
- Figures 8 to 10, under the same conditions, another embodiment in which the coaches comprise an outer ring and an inner ring gear
- Figures 11, 12 and 13 under the same conditions another embodiment in which the locking means are integral with the body of the lighter and more precisely with the mounting yoke of the ignition assembly;
- Figure 14, another embodiment in which the locking of the wheel is carried out on the axis thereof;
- Figure 15, a sectional view along line XV-XV of Figure 14;
- Figure 16, a vertical sectional view of another embodiment, wherein the ignition assembly is not movable relative to the body of the lighter the lighter being in the extinguished position;
- Figure 17, under the same conditions as in Figure 16, the lighter in the ignition position;
- FIG. 18, a view from above of a lighter according to the invention in the second embodiment;
- Figure 19, a view of the wheel cover in the embodiment of Figures 1 to 4;
- Figures 20 and 21 another embodiment in which the wheel cover is fixed to the front of the push lever.
- Figure 22 a view of a wheel cover.
On notera que les revendications couvrent les modes de réalisation de l'invention des figures 1 à 4 + 19, et 16 à 18. Les autres modes de réalisation, correspondant aux autres figures, ne sont pas couverts par les revendications et ne sont pas mentionnés que parce qu'ils sont utiles à la compréhension de l'invention.Note that the claims cover the embodiments of the invention of Figures 1 to 4 + 19, and 16 to 18. The other embodiments, corresponding to the other figures, are not covered by the claims and are not mentioned only because they are useful for understanding the invention.
Sur l'ensemble des figures, les mêmes références désignent les mêmes éléments. Le corps de briquet 1 comprenant un réservoir de gaz liquéfié (non représenté) est muni, à sa partie supérieure, comme connu en soi, d'un ensemble d'allumage 23 monté rotatif sur le corps 1 du briquet, incluant une molette 2 solidaire en rotation d'entraîneurs 3 (dont un seul apparaît sur la figure), l'ensemble étant tourillonné dans le corps du briquet au moyen d'un axe 4 reposant dans une chape 4a. Cet ensemble est partiellement recouvert par un capot 5 qui s'étend de l'avant du briquet, sur la droite de la figure, jusqu'à la partie arrière de l'ensemble molette-entraîneurs qu'il ne recouvre qu'en partie. La périphérie de la molette 2 est toujours en contact avec une pierre cylindrique 7 qui est pressée vers le haut par un ressort 71 dans un logement cylindrique 6 formé dans le corps 1 du briquet. La rotation de la molette dans le sens sinistrorsum provoque la projection d'étincelles au-dessus du brûleur 8.Throughout the figures, the same references designate the same elements. The lighter body 1 comprising a liquefied gas tank (not shown) is provided, at its upper part, as known per se, with an ignition assembly 23 rotatably mounted on the body 1 of the lighter, including a wheel 2 secured in rotation of coaches 3 (only one of which appears in the figure), the assembly being journalled in the body of the lighter by means of an axis 4 resting in a yoke 4a. This assembly is partially covered by a cover 5 which extends from the front of the lighter, on the right of the figure, to the rear part of the wheel-drive assembly which it only partially covers. The periphery of the wheel 2 is always in contact with a cylindrical stone 7 which is pressed upwards by a spring 71 in a cylindrical housing 6 formed in the body 1 of the lighter. The rotation of the dial in the sinistrorsum direction causes the projection of sparks above the burner 8.
Le brûleur 8 peut être élevé vers le haut pour ouvrir une soupape d'échappement (non représentée) du gaz contenu dans le réservoir inclus dans le corps 1 de la figure sous l'action d'un levier 9 dont l'extrémité arrière constitue un poussoir 10 sur la surface duquel peut venir s'appuyer un doigt, généralement le pouce, d'un utilisateur. Le levier 9 est monté pivotant sur le corps 1 du briquet par l'intermédiaire de demi-axes 11, dans le prolongement l'un de l'autre, tourillonés dans la chape 4a, de part et d'autre de la pierre 7. Les demi-axes 11 sont situés au-dessous de l'axe 4 de la molette 2. Le poussoir est rappelé en permanence vers le haut (position qu'il occupe sur la figure 1) par un ressort 12 dont l'extrémité inférieure repose sur le fond d'une cavité du briquet. Autour du brûleur, peut être disposé un ressort (non représenté) permettant, comme en soi connu, de retarder la libération du gaz lorsque le levier 9 amorce son mouvement vers le haut. D'autres configurations de soupapes peuvent, bien entendu, être utilisées sans sortir du cadre de l'invention.The burner 8 can be raised upwards to open an exhaust valve (not shown) for the gas contained in the tank included in the body 1 of the figure under the action of a lever 9 whose rear end constitutes a pusher 10 on the surface of which can come to rest a finger, usually the thumb, of a user. The lever 9 is pivotally mounted on the body 1 of the lighter by means of half-axes 11, in the extension of one another, journalled in the yoke 4a, on either side of the stone 7. The half-axes 11 are located below the axis 4 of the thumb wheel 2. The pusher is permanently returned upwards (position it occupies in FIG. 1) by a spring 12 whose lower end rests on the bottom of a lighter cavity. Around the burner, a spring can be arranged (not shown) allowing, as known per se, to delay the release of the gas when the lever 9 begins its upward movement. Other valve configurations can, of course, be used without departing from the scope of the invention.
Les figures 1 à 3 représentent un premier de réalisation faisant appel à un cache molette au cours des différentes étapes de fonctionnement. La forme du cache molette est dans ce mode de réalisation du type de celui qui est représenté sur la figure 19.Figures 1 to 3 show a first embodiment using a wheel cover during the various operating steps. In this embodiment, the shape of the wheel cover is of the type shown in FIG. 19.
La figure 19 représente le cache molette rigide en perspective. Il comprend dans sa partie avant une surface plane ou en coupelle 142 percée d'un trou 149 de passage du gaz, se prolongeant vers l'arrière par un rebord 143, en saillie par rapport à la surface 142. À partir de la partie arrière de la surface 142 s'étend le cache molette proprement dit 14 qui se prolonge vers le bas par une patte 141 qui peut être solidarisée du poussoir par un ergot 144. Le cache molette 14 se prolonge vers l'avant par la plaque 142 qui prend appui contre la surface inférieure du capot 5 sur laquelle elle peut glisser entre deux positions correspondant aux positions d'extinction et d'allumage du briquet, le bord avant 147 de la plaque 142 restant toujours au-dessous de la surface inférieure du capot 5. La seconde branche 141 du cache molette est incluse dans une fente transversale du levier 9, dans laquelle son extrémité inférieure est fixée.Figure 19 shows the rigid wheel cover in perspective. It comprises in its front part a flat or cup-shaped surface 142 pierced with a hole 149 for the passage of gas, extending towards the rear by a flange 143, projecting relative to the surface 142. From the rear part from the surface 142 extends the actual wheel cover 14 which is extended downwards by a tab 141 which can be secured to the pusher by a lug 144. The wheel cover 14 is extended forward by the plate 142 which takes pressing against the lower surface of the cover 5 on which it can slide between two positions corresponding to the extinction and lighting positions of the lighter, the front edge 147 of the plate 142 always remaining below the lower surface of the cover 5. The second branch 141 of the wheel cover is included in a transverse slot of the lever 9, in which its lower end is fixed.
L'axe 4 de l'ensemble allumeur 23 est monté coulissant dans deux lumières oblongues 200 prévues dans la chape 4a en saillie au-dessus du corps 1 du briquet, à la partie supérieure de celui-ci. Au repos, le ressort 71 disposé au-dessous de la pierre 7 et qui a normalement pour but d'appuyer la pierre sur la molette déplace l'axe 4 de celle-ci contre le haut 202 de la lumière oblongue 200. C'est la position qui est représentée sur la figure 1 sur laquelle le briquet est à l'état d'extinction ou de repos. Comme cela apparaît dans la lunette de la figure 1, le bord 143 de la plaque 142 est appliqué entre deux dents 30 des entraîneurs 3 ce qui évite toute rotation de la molette et, par suite la production d'étincelles. Et si l'on appuie sur le poussoir, la molette reste bloquée.The axis 4 of the igniter assembly 23 is slidably mounted in two oblong slots 200 provided in the yoke 4a projecting above the body 1 of the lighter, at the upper part thereof. At rest, the spring 71 placed below the stone 7 and which normally aims to press the stone on the wheel moves the axis 4 thereof against the top 202 of the oblong slot 200. It is the position which is shown in Figure 1 in which the lighter is in the extinguished or quiescent state. As it appears in the telescope of FIG. 1, the edge 143 of the plate 142 is applied between two teeth 30 of the coaches 3 which prevents any rotation of the dial and, consequently, the production of sparks. And if you press the button, the wheel remains blocked.
Sur la figure 2, le briquet est dans la position "prêt" à l'allumage ce qui sera obtenu par rotation de l'ensemble allumeur 23 et appui immédiat sur le poussoir 10. Cette position est obtenue par un appui vers le bas de la figure sur l'ensemble allumeur 23 qui prend appui contre le bord 203 des lumières 200 dont une seule apparaît sur les figures. Le cache 14 reste dans sa position initiale. Il en résulte que les dents 30 de l'entraîneur 3 échappent au bord avant 143 de la plaque 142 et que la molette 2 peut être entraînée en rotation.In FIG. 2, the lighter is in the "ready" position for ignition, which will be obtained by rotation of the igniter assembly 23 and immediate pressing on the pusher 10. This position is obtained by pressing down on the is shown on the igniter assembly 23 which bears against the edge 203 of the lights 200, only one of which appears in the figures. The cover 14 remains in its initial position. It follows that the teeth 30 of the driver 3 escape the front edge 143 of the plate 142 and that the wheel 2 can be rotated.
Sur la figure 3, après descente de l'axe 4 de l'ensemble allumeur 23, le poussoir 10 a été pressé et la flamme peut être générée; c'est la position d'allumage. Mais dès que le poussoir 10 est enfoncé, le cache 14 est entraîné vers l'arrière du briquet et le bord arrière 143 de la plaque 142 se crabote à nouveau entre deux dents 30 d'au moins un entraîneur de sorte que la molette ne peut plus être tournée. Le relâchement du poussoir provoque le mouvement du cache 14 vers l'avant du briquet et le relâchement de l'encliquetage bord 143-dents 30. Mais, sous l'influence du ressort 71, l'axe 4 remonte dans la rainure rectiligne 200 de sorte que le bord 143 se trouve à nouveau entre deux dents 30 comme cela apparaît sur la figure 1.In FIG. 3, after descent of the axis 4 of the igniter assembly 23, the pusher 10 has been pressed and the flame can be generated; this is the ignition position. But as soon as the pusher 10 is pressed, the cover 14 is driven towards the rear of the lighter and the rear edge 143 of the plate 142 is again clutched between two teeth 30 of at least one driver so that the wheel cannot no longer be turned. The release of the pusher causes the movement of the cover 14 towards the front of the lighter and the release of the snap edge 143-teeth 30. But, under the influence of the spring 71, the axis 4 rises in the rectilinear groove 200 so that the edge 143 is again between two teeth 30 as it appears in Figure 1 .
C'est-à-dire qu'il n'est plus possible de faire tourner la molette dès que l'on a appuyé sur le poussoir 10. Le seul cas dans lequel il est possible de procéder à un allumage est celui de la figure 2 qui nécessite au préalable un appui sur l'ensemble allumeur 23, puis un appui sur le poussoir 10 immédiatement après la rotation de la molette.That is to say that it is no longer possible to turn the dial as soon as the push button 10 has been pressed. The only case in which it is possible to carry out an ignition is that of the figure 2 which requires prior pressing on the igniter assembly 23, then pressing the pusher 10 immediately after the rotation of the wheel.
Par déformation du pouce de l'utilisateur, celui-ci, comme représenté sur la figure 4, peut agir sur les entraîneurs 3 même lorsque le cache molette 14 est légèrement au-dessus de ceux-ci si, bien entendu, le pouce est celui d'un adulte qui est suffisamment large, ce mode d'utilisation étant ainsi pratiquement interdit aux enfants. C'est ce qui est représenté sur la figure 4 qui est une coupe transversale selon la ligne IV-IV de la figure 3, sur laquelle on voit que le pouce P s'écrase sur le cache molette 14 ce qui lui permet d'entrer en contact avec les entraîneurs 3.By deformation of the user's thumb, the latter, as shown in FIG. 4, can act on the coaches 3 even when the wheel cover 14 is slightly above them if, of course, the thumb is the one an adult who is wide enough, this mode of use is thus practically prohibited for children. This is what is shown in Figure 4 which is a cross section along the line IV-IV of Figure 3, on which we see that the thumb P is crushed on the wheel cover 14 which allows it to enter in contact with coaches 3.
Le mode de réalisation qui vient d'être décrit fait appel à un cache molette 14. Une telle pièce n'est pas nécessaire dans le mode de réalisation représenté sur les figures 5 à 7. Comme précédemment, l'axe 4 de la molette est monté coulissant dans deux rainures 200, une de chaque côté de la chape, entre une position haute 202 et une position basse 203. Au repos, en position d'inactivité ou d'extinction, le ressort 71 de la pierre pousse, par l'intermédiaire de celle-ci, l'axe 4 contre l'extrémité supérieure 202 de la rainure 200. Dans l'exemple représenté, la rainure 200 est de préférence légèrement inclinée par rapport à la verticale. La rotation de la molette doit être interdite dans cette position. Ce résultat est obtenu en munissant le capot 5 d'au moins une patte 51 de verrouillage, en saillie vers l'intérieur du briquet, qui, comme cela apparaît dans la lunette à échelle agrandie, pénètre entre deux dents 30 d'au moins un entraîneur 3. Sur les figures 5 et 6, la patte 51 est représentée en bout. Pour déverrouiller cet encliquetage, il suffit de d'appuyer sur les entraîneurs pour faire coulisser l'axe 4 vers le bas et qu'il atteigne la position inférieure 203 représentée sur la figure 6. Comme cela apparaît dans la lunette annexée, ce mouvement dégage le ou les entraîneurs de la (ou des) patte 51 et permet la génération d'étincelles.The embodiment which has just been described uses a wheel cover 14. Such a part is not necessary in the embodiment shown in FIGS. 5 to 7. As before, the axis 4 of the wheel is slidably mounted in two grooves 200, one on each side of the yoke, between a high position 202 and a low position 203. At rest, in the inactive or extinguished position, the spring 71 of the stone pushes, by the intermediate thereof, the axis 4 against the upper end 202 of the groove 200. In the example shown, the groove 200 is preferably slightly inclined relative to the vertical. The rotation of the dial must be prohibited in this position. This result is obtained by providing the cover 5 with at least one locking tab 51, projecting towards the inside of the lighter, which, as appears in the telescope on an enlarged scale, enters between two teeth 30 of at least one driver 3. In FIGS. 5 and 6, the tab 51 is shown at the end. To unlock this snap, simply press the coaches to slide the axis 4 down and it reaches the lower position 203 shown in Figure 6. As shown in the attached bezel, this movement releases the trainer (s) of the lug (s) 51 and allows the generation of sparks.
Sur la figure 7 qui est une vue par-dessus d'un briquet selon l'invention, on a représenté un capot 5 muni de deux pattes 51 symétriques par rapport à l'axe du briquet. Mais une seule patte peut être suffisante. Dès que cesse l'appui sur l'ensemble 23, l'axe 4 est ramené vers le haut de la rainure 200 sous l'action du ressort 71. C'est-à-dire que l'appui sur le poussoir 10 doit être effectué entre la rotation de la molette 2 par les entraîneurs 3 et le rappel vers le haut de l'axe 4.In Figure 7 which is a view from above of a lighter according to the invention, there is shown a cover 5 provided with two legs 51 symmetrical with respect to the axis of the lighter. But a single leg may be sufficient. As soon as the support on the assembly 23 ceases, the axis 4 is brought up towards the top of the groove 200 under the action of the spring 71. That is to say that the support on the pusher 10 must be carried out between the rotation of the wheel 2 by the coaches 3 and the return to the top of the axis 4.
La même idée de blocage des entraîneurs est mise en oeuvre dans le mode de réalisation représenté sur les figures 8 à 10. Sur ces figures qui sont des coupes verticales d'un briquet selon l'invention, on retrouve une (ou deux) patte de blocage 51 solidaire du capot 5. Par contre, la structure des entraîneurs a été modifiée. Ils sont constitués d'une double couronne crantée, respectivement extérieure munie de crans ou dents 30, identique à la précédente et d'une couronne intérieure 31 munie de dents ou crans 32, de diamètre inférieur à celui de la couronne 30. Le fonctionnement de ce mode de réalisation est le même que précédemment c'est-à-dire que lorsque l'axe 4 est appliqué, par le ressort 71, contre le fond 203 de la rainure 200, la (ou les pattes) 51 vient en contact avec le fond ou la paroi intérieure des dents 32 ce qui empêche la rotation des entraîneurs 3. Par contre, une pression suffisante exercée sur les entraîneurs fait descendre l'ensemble d'allumage 23 et libère les dents 32 de la patte 51 ce qui autorise la rotation de la molette. Les entraîneurs et la molette peuvent alors générer des étincelles comme cela apparaît sur la figure 9 et dans la lunette annexée.The same idea of blocking the coaches is implemented in the embodiment shown in Figures 8 to 10. In these figures which are vertical sections of a lighter according to the invention, there is one (or two) leg blocking 51 secured to the cover 5. On the other hand, the structure of the coaches has been modified. They consist of a double notched crown, respectively outer provided with notches or teeth 30, identical to the previous one and an inner crown 31 provided with teeth or notches 32, of diameter smaller than that of the crown 30. The operation of this embodiment is the same as above, that is to say that when the axis 4 is applied, by the spring 71, against the bottom 203 of the groove 200, the (or the legs) 51 comes into contact with the bottom or the inner wall of the teeth 32 which prevents the rotation of the coaches 3. On the other hand, sufficient pressure exerted on the coaches lowers the ignition assembly 23 and releases the teeth 32 from the lug 51 which allows the rotation of the wheel. The coaches and the wheel can then generate sparks as shown in Figure 9 and in the attached scope.
La figure 10 est une coupe selon la ligne X-X de la figure 8 sur laquelle apparaît mieux le cran 51 et la denture intérieure 32 de la couronne 31 qui coopère avec le cran 51 lorsque l'axe 4 est en position haute ce qui correspond à la position de repos de la figure 8.FIG. 10 is a section along line XX of FIG. 8 on which the notch 51 and the internal toothing 32 of the crown 31 which appears in cooperation with the notch 51 appear better when the axis 4 is in the high position which corresponds to the Figure 8 rest position.
Les figures 11 et 12 sont des coupes verticales par le plan de symétrie du briquet et la figure 13 une coupe verticale selon la ligne XIII-XIII de la figure 11. Elles représentent une autre mode de réalisation avec des entraîneurs à double couronne 30,31 et un axe 4 de l'ensemble d'allumage 23 monté coulissant dans une rainure rectiligne 200 qui est de préférence inclinée par rapport à la verticale. Comme précédemment, le blocage de la molette est obtenu par portée d'une patte ou analogue contre les dents de la couronne interne 31. Mais la patte ou cran 52 est moulée dans le corps du briquet, à l'intérieur de la chape 4a et en saillie vers l'intérieur du briquet. Comme précédemment, on peut prévoir une ou deux pattes. C'est le mouvement relatif de l'ensemble d'allumage 23 par rapport à la patte qui reste fixe qui produit ou non le blocage d'au moins un entraîneur par la patte 52. Sur la figure 11, la patte 52 bloque les dents de la couronne 31 alors que, lorsque l'ensemble 23 a été abaissé comme représenté sur la figure 12, il n'y a plus de contact et l'ensemble 23 peut tourner.Figures 11 and 12 are vertical sections through the plane of symmetry of the lighter and Figure 13 a vertical section along the line XIII-XIII of Figure 11. They show another embodiment with coaches with double crown 30,31 and an axis 4 of the ignition assembly 23 slidably mounted in a rectilinear groove 200 which is preferably inclined relative to the vertical. As before, the locking of the wheel is obtained by carrying a lug or the like against the teeth of the internal crown 31. But the lug or notch 52 is molded in the body of the lighter, inside the yoke 4a and protruding towards the inside of the lighter. As before, one or two legs can be provided. It is the relative movement of the ignition assembly 23 relative to the tab which remains fixed which produces or not the blocking of at least one driver by the tab 52. In FIG. 11, the tab 52 blocks the teeth of the crown 31 while, when the assembly 23 has been lowered as shown in FIG. 12, there is no longer any contact and the assembly 23 can rotate.
Comme cela apparaît mieux sur la figure 13, le capot 5 est lui-même encliqueté de manière permanente, bien qu'il soit démontable, à l'aide de pattes 53.As is better seen in FIG. 13, the cover 5 is itself permanently snapped on, although it is removable, using lugs 53.
La figure 14 représente une autre mode de blocage de la molette faisant appel à une chape 4a présentant une rainure rectiligne 200. Sur la figure, seule une rainure rectiligne 200 a été représentée pour ne pas surcharger inutilement le dessin. Cette rainure, formée dans la chape 4a reste, bien entendu fixe par rapport au corps 1 du briquet lorsque l'ensemble d'allumage 23 coulisse vers le bas. Cette rainure présente, à sa partie supérieure un cran 201. Par ailleurs, l'axe 41 n'est plus circulaire, comme précédemment mais présente, sur au moins l'un de ses cotés une cavité 42 dont la forme correspond à celle du cran 201. Le cran 201 est prévu à la partie supérieure 202 de la rainure rectiligne 200. Dans l'exemple représenté, l'axe 41 présente une section en croix de sorte qu'il existe quatre cavités 42. En position de repos, le ressort de la pierre pousse vers le haut l'ensemble d'allumages 23 ce qui, comme représenté sur la figure 18 empêche la rotation de la molette 2, la rotation de l'ensemble 23 étant bloquée par portée du cran 201 dans une des cavités 42.FIG. 14 shows another mode of blocking the thumb wheel using a yoke 4a having a groove rectilinear 200. In the figure, only a rectilinear groove 200 has been shown so as not to unnecessarily overload the drawing. This groove, formed in the yoke 4a remains, of course fixed relative to the body 1 of the lighter when the ignition assembly 23 slides down. This groove has, at its upper part a notch 201. Furthermore, the axis 41 is no longer circular, as previously, but has, on at least one of its sides a cavity 42 whose shape corresponds to that of the notch 201. The notch 201 is provided at the upper part 202 of the rectilinear groove 200. In the example shown, the axis 41 has a cross section so that there are four cavities 42. In the rest position, the spring of stone pushes up the ignition assembly 23 which, as shown in FIG. 18 prevents the rotation of the thumb wheel 2, the rotation of the assembly 23 being blocked by bearing of the notch 201 in one of the cavities 42 .
Si l'on appuie sur l'ensemble d'allumage 23, cet appui provoque la compression du ressort 71 de la pierre 7 et la descente de l'axe 41 au-dessous du cran 201 de sorte que l'axe 41 peut tourner et entraîner la molette.If the ignition assembly 23 is pressed, this support causes the spring 71 of the stone 7 to be compressed and the axis 41 to descend below the notch 201 so that the axis 41 can rotate and drive the thumb wheel.
Pour éviter qu'un enfant ne puisse appuyer suffisamment pour amener l'axe dans la région inférieure 203, il est possible de prévoir, dans le capot, comme représenté sur la figure 15 au-dessus des pattes 53, des crevés 54 orientés vers l'intérieur du briquet. Dans ce cas, pour que la descente nécessaire se produise, il faut écarter les ailes 55 des crevés ce qui exige un effort supplémentaire indépendant de celui résultant de la compression du ressort 71 de la pierre, l'axe pouvant retourner en position haute sous la seule action de détente du ressort 71.To prevent a child from being able to press enough to bring the axis into the lower region 203, it is possible to provide, in the cover, as shown in FIG. 15 above the legs 53, punctures 54 oriented towards the inside the lighter. In this case, for the necessary descent to occur, it is necessary to separate the wings 55 from the punctures which requires an additional effort independent of that resulting from the compression of the spring 71 of the stone, the axis being able to return to the high position under the single spring release action 71.
Dans tous les modes de réalisation qui viennent d'être décrits, en position de repos ou d'extinction, la rotation de la molette est bloquée, le déblocage étant obtenu par un appui sur l'ensemble d'allumage 23 ce qui exige une pression déterminée, que seuls peuvent exercer les adultes, suivie de la rotation de la molette et d'un appui sur le poussoir 10.In all the embodiments which have just been described, in the rest or extinction position, the rotation of the thumbwheel is blocked, the unlocking being obtained by pressing on the ignition assembly 23 which requires a determined pressure, which only adults can exert, followed by the rotation of the dial and pressing on the pusher 10.
Dans ces modes de réalisation, le déblocage provient d'une variation de niveau de l'axe 4 de la molette par rapport au corps du briquet. Les mouvements du poussoir et l'échappement du gaz restent libres.In these embodiments, the release comes from a variation in level of the axis 4 of the wheel relative to the body of the lighter. The movements of the pusher and the exhaust of the gas remain free.
Afin d'assurer la sécurité « enfants », il peut être simplement nécessaire d'empêcher la rotation de la molette après appui sur le poussoir 10 ce qui libère le gaz. Le mode de réalisation des figures 16 à 18 permet d'obtenir ce résultat et ne fait plus appel à un ensemble d'allumage déplaçable mais à nouveau à un cache molette 14.In order to ensure "child" safety, it may simply be necessary to prevent the rotation of the thumbwheel after pressing the pusher 10 which releases the gas. The embodiment of FIGS. 16 to 18 makes it possible to obtain this result and no longer uses a movable ignition assembly but again a wheel cover 14.
Sur la figure 16, on voit que le cache molette 14 se prolonge vers l'avant par une plaque 142 plane ou en forme de coupelle telle que celle qui est représentée sur la figure 19, prenant appui contre la surface inférieure du capot 5 sur laquelle elle peut glisser entre deux positions correspondant aux positions d'extinction et d'allumage du briquet, le bord avant 147 de la plaque 142 restant toujours au-dessous de la surface inférieure du capot 5. La seconde branche 141 du cache molette est incluse dans une fente transversale du levier 9, dans laquelle son extrémité inférieure est fixée. Une saillie 143 est prévue dans la partie arrière de la plaque 142. En position d'extinction ou de repos, la saillie 143 est en dehors de la périphérie des dents 30 des entraîneurs 3. Les entraîneurs et par suite la molette 2 qui est solidaire de ceux-ci en rotation peuvent tourner. On remarquera que, dans cette position, la zone 30a des dents 30 est accessible.In FIG. 16, it can be seen that the wheel cover 14 is extended towards the front by a flat plate 142 or in the form of a cup such as that which is represented in FIG. 19, bearing against the lower surface of the cover 5 on which it can slide between two positions corresponding to the extinction and ignition positions of the lighter, the front edge 147 of the plate 142 always remaining below the lower surface of the cover 5. The second branch 141 of the wheel cover is included in a transverse slot of the lever 9, in which its lower end is fixed. A projection 143 is provided in the rear part of the plate 142. In the off or rest position, the projection 143 is outside the periphery of the teeth 30 of the coaches 3. The coaches and consequently the wheel 2 which is integral of these in rotation can rotate. It will be noted that, in this position, the area 30a of the teeth 30 is accessible.
Comme cela apparaît sur la figure 17, si lorsque après avoir ou non fait tourner la molette 2, on appuie sur le poussoir 10, le levier 9 pivote autour de l'axe 11. En descendant, le poussoir 10 entraîne la branche 141 vers le bas, mais ce mouvement produit une translation du cache molette 14 et de la plaque 142 vers la gauche de la figure de sorte que les dents de la zone 30a soient maintenant inaccessibles en raison d'une différence de courbure entre les entraîneurs et le cache molette et de la différence de centre de rotation. La molette ne peut donc plus être entraînée par les entraîneurs. Au cours de ce mouvement, la plaque 142 est également entraînée vers la gauche de la figure de sorte que son bord arrière 143 pénètre entre deux dents 30 d'au moins un des entraîneurs 3 et bloque tout mouvement de rotation de ceux-ci.As it appears on figure 17, if when after having turned the wheel 2 or not, one presses the pusher 10, the lever 9 pivots about the axis 11. On descending, the pusher 10 drives the branch 141 downwards, but this movement produces a translation of the wheel cover 14 and of the plate 142 to the left of the figure of so that the teeth of zone 30a are now inaccessible due to a difference in curvature between the coaches and the wheel cover and the difference in center of rotation. The wheel can therefore no longer be driven by the coaches. During this movement, the plate 142 is also driven to the left of the figure so that its rear edge 143 penetrates between two teeth 30 of at least one of the coaches 3 and blocks any rotational movement of these.
La figure 18 est une vue par-dessus d'un briquet dans le mode de réalisation des figures 16 et 17. On voit que le cache molette 14 entoure la molette 2 et que la plaque 142 présente une forme homothétique à celle du corps du briquet, le bord arrière 143 de la plaque pénétrant entre deux dents 30 des entraîneurs 3.Figure 18 is a view from above of a lighter in the embodiment of Figures 16 and 17. It can be seen that the wheel cover 14 surrounds the wheel 2 and that the plate 142 has a shape similar to that of the body of the lighter , the rear edge 143 of the plate penetrating between two teeth 30 of the coaches 3.
Dans le mode de réalisation représenté sur les figures 16 à 18, le cache molette est fixé par l'une de ses extrémités du côté arrière du poussoir et se prolonge vers l'avant par une surface plane pouvant coulisser contre la face inférieure du capot. L'appui sur le poussoir provoque ainsi le déplacement vers l'arrière du cache molette qui s'élève au niveau des entraîneurs. Ce déplacement provoque également le crabotage du bord arrière 143 de la face 142 avec au moins l'un des entraîneurs ce qui bloque la molette lorsque le poussoir est enfoncé. En position d'extinction ou de repos, la saillie 143 est en dehors de la périphérie des dents 30 des entraîneurs 3. Les entraîneurs et par suite la molette 2 qui est solidaire de ceux-ci en rotation peuvent tourner. On remarquera que, dans cette position, la zone 30a des dents 30 est accessible.In the embodiment shown in Figures 16 to 18, the wheel cover is fixed by one of its ends on the rear side of the pusher and is extended forward by a flat surface which can slide against the underside of the cover. Pressing the button thus causes the wheel cover to move backwards, which rises at the level of the coaches. This movement also causes the rear edge 143 of the face 142 to be clutched together with at least one of the coaches, which blocks the wheel when the pusher is pressed. In the extinction or rest position, the projection 143 is outside the periphery of the teeth 30 of the coaches 3. The coaches and consequently the wheel 2 which is integral with these in rotation can rotate. It will be noted that, in this position, the area 30a of the teeth 30 is accessible.
Conformément à un autre mode de réalisation de l'invention, représenté sur les figures 20 et 21, le cache molette 14 dont la périphérie s'étend sur environ 270° est fixé par l'une de ses extrémités autour de la molette 2 sur l'avant du levier 9 de sorte que, lorsque le briquet est en position de repos ou d'extinction, les dents 30a des entraîneurs soient accessibles et que, lorsqu'un appui est exercé sur le poussoir, elles ne soient plus accessibles, le cache molette 14 venant au même niveau (ou à un niveau supérieur) que leurs périphéries dans la région arrière des entraîneurs. Cette différence de position relative du cache molette 14 et des entraîneurs 3 provient de ce que, lors de l'appui sur le poussoir, les centres de pivotement du levier de poussoir et du cache molette ne sont pas les mêmes.According to another embodiment of the invention, shown in Figures 20 and 21, the wheel cover 14 whose periphery extends over approximately 270 ° is fixed by one of its ends around the wheel 2 on the 'before the lever 9 so that, when the lighter is in the rest or extinction position, the teeth 30a of the coaches are accessible and that, when a pressure is applied to the pusher, they are no longer accessible, the cover wheel 14 coming at the same level (or at a higher level) than their peripheries in the rear region of the coaches. This difference in relative position of the wheel cover 14 and the coaches 3 comes from the fact that, when the push button is pressed, the pivot centers of the push lever and the wheel cover are not the same.
Comme cela apparaît sur la figure 21, si lorsque après avoir ou non fait tourner la molette 2, on appuie sur le poussoir 10, le levier 9 pivote autour de l'axe 11. En descendant, le poussoir 10 entraîne la branche 141 vers le bas, mais ce mouvement produit une translation du cache molette 14 vers la gauche de la figure de sorte que les dents de la zone 30a deviennent inaccessibles en raison d'une différence de courbure entre les entraîneurs et le cache molette et de la différence de centres de rotation. La molette ne peut donc plus être entraînée par les entraîneurs.As can be seen in FIG. 21, if when, after having turned the dial 2 or not, the pusher 10 is pressed, the lever 9 pivots about the axis 11. On descending, the pusher 10 drives the branch 141 towards the bottom, but this movement produces a translation of the wheel cover 14 to the left of the figure so that the teeth of the area 30a become inaccessible due to a difference in curvature between the coaches and the wheel cover and the difference in centers of rotation. The wheel can therefore no longer be driven by the coaches.
La figure 22 représente en perspective une bague cache-molette 14 selon l'invention. Comme cela apparaît sur la figure, la partie avant 15 du cache molette 14 s'étend sur une largeur sensiblement égale à la largeur hors tout des deux entraîneurs et présente une fente 17 permettant le passage des étincelles. Cette partie avant se continue par une partie 18 moins large dont la largeur est sensiblement égale à celle de la molette et se termine par une extrémité 16. Le bord de la partie 15 peut être fixé par tout moyen dans la partie avant du levier 9 et, par exemple, par enclipsage ou surmoulage dans des bossages 19.Figure 22 shows in perspective a wheel cover ring 14 according to the invention. As shown in the figure, the front part 15 of the wheel cover 14 extends over a width substantially equal to the overall width of the two coaches and has a slot 17 allowing the passage of sparks. This front part is continued by a narrower part 18 whose width is substantially equal to that of the thumbwheel and ends with an end 16. The edge of the part 15 can be fixed by any means in the front part of the lever 9 and , through example, by clipping or overmolding in bosses 19.
Le mouvement du poussoir, autour de son axe 11 se traduit, par rapport à la molette et aux entraîneurs par un mouvement combiné de rotation, d'élévation et de translation les dents 30a étant en saillie par rapport au cache 14. C'est ce mouvement combiné qui soulève le cache 14 au-dessus de la molette et l'amène au niveau ou au-dessus des dents 30 des entraîneurs 3 ce qui interdit une pression sur les entraîneurs et par suite l'entraînement de la molette et la production d'étincelles, sauf aux adultes, comme mentionné en regard de la figure 4.The movement of the pusher, around its axis 11 is expressed, relative to the wheel and the coaches, by a combined movement of rotation, elevation and translation, the teeth 30a projecting from the cover 14. This is what combined movement which lifts the cover 14 above the wheel and brings it to or above the teeth 30 of the coaches 3 which prevents pressure on the coaches and consequently the drive of the wheel and the production of '' sparks, except for adults, as shown next to Figure 4.
Bien que, dans le mode de réalisation qui vient d'être décrit, le cache molette rigide soit fixé par son extrémité avant, il peut être fixé par ses deux extrémités avant et arrière respectivement sur l'avant et l'arrière du levier par rapport à la molette, le cache molette se déplaçant comme le levier de poussoir.Although, in the embodiment which has just been described, the rigid wheel cover is fixed by its front end, it can be fixed by its two front and rear ends respectively on the front and the rear of the lever relative with the thumbwheel, the thumbwheel cover moves like the push lever.
Il va de soi que de nombreuses variantes peuvent être apportées, notamment par substitution de moyens techniques équivalents, sans sortir pour cela du cadre de l'invention.It goes without saying that many variants can be made, in particular by substitution of equivalent technical means, without departing from the scope of the invention.
Claims (8)
- A gas lighter fitted with a safety device, comprising a body (1) containing a liquid gas tank under pressure, a lever (9) forming at the rear part thereof a push rod (10) which can be pushed by a user's finger and acting on a gas passage valve connected to a burner (8), a thumb wheel (2), a flint stone (7) in touch with the thumb wheel (2) under the effect of a spring (71) arranged above the stone (7), the thumb wheel being enclosed on either side by catches (3) and forming a lighting assembly (23) therewith, the assembly being pivotally mounted around a shaft (4) resting on a shell (4a) protruding at the upper part of the lighter body (1) and partially enclosed by a hood (5), further comprising means for locking the rotation of the thumb wheel (2) cooperating with a least one catch (3), characterized in that the blocking means comprises a thumb wheel cover (14) having a plate (142) at the front part thereof, the plate being slidably mounted against the bottom surface of the hood (5), the plate (142) having at the rear part thereof a flange (143) which can contact the teeth (30) of at least one of the catches.
- The lighter according to claim 1, characterized in that die thumb wheel protecting cover (14) is solid and fixed via the rear part thereof (141) on the lever (9) between the thumb wheel (2) and the push rod (10).
- The lighter according to claim 1 or 2, characterized in that the shaft (4) is slidably mounted in straight slots (200) of the shell (4a) between an upper blocking position (202) and a lower released position (203).
- The lighter according to claim 3, characterized in that the flange (143) touches the teeth (30) of a catch (3) when the shaft (4) is in the upper position.
- The lighter according to claim 3 or 4, characterized in that the flange (143) does not touch the teeth (30) when the shaft (4) is in the lower position and the user is not bearing on the push rod (10).
- The lighter according to any of claims 3 to 5, characterized in that the flange (143) touches the teeth (30) in when the shaft (4) is in the lower position and the user is bearing on the push rod (10).
- The lighter according to claim 1 or 2, characterized in that the shaft (4) is fixed with respect to the shell (4a), the flange (143) touching the teeth (30) of a catch (3) when the user is bearing on the push rod (10).
- The lighter according to claim 7, characterized in that the thumb wheel cover (14) reaches up to the catches (3) when the user is bearing on the push rod (10).
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9912676 | 1999-10-12 | ||
FR9912676A FR2799531B1 (en) | 1999-10-12 | 1999-10-12 | PHYROPHORIC IGNITION LIGHTER |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1092924A1 EP1092924A1 (en) | 2001-04-18 |
EP1092924B1 true EP1092924B1 (en) | 2004-12-29 |
Family
ID=9550805
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP00402795A Expired - Lifetime EP1092924B1 (en) | 1999-10-12 | 2000-10-10 | Pyrophoric lighter |
Country Status (7)
Country | Link |
---|---|
US (1) | US6612831B1 (en) |
EP (1) | EP1092924B1 (en) |
AT (1) | ATE286230T1 (en) |
CA (1) | CA2323699C (en) |
DE (1) | DE60017048T2 (en) |
ES (1) | ES2233309T3 (en) |
FR (1) | FR2799531B1 (en) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2359875B (en) | 2000-03-02 | 2002-01-16 | Swedish Match Lighters Bv | Child resistant gas lighters |
GB0104622D0 (en) * | 2001-02-24 | 2001-04-11 | Swedish Match Lighters Bv | Child resistant gas lighters |
TWM258249U (en) * | 2004-06-01 | 2005-03-01 | Wei-Sung Wu | Improved safety lock mechanism of lighter |
TW200702601A (en) * | 2005-07-11 | 2007-01-16 | wei-song Wu | A modified safety device for lighter |
GB2429512A (en) * | 2005-08-25 | 2007-02-28 | Swedish Match Lighters Bv | A Child Resistant Roll-and-Press Lighter |
WO2008028317A1 (en) * | 2006-08-24 | 2008-03-13 | Guojian He | A safety lighter with an arched shape button |
TW200940914A (en) * | 2008-03-28 | 2009-10-01 | wei-song Wu | Lighter with safety mechanism |
US8653942B2 (en) | 2008-08-20 | 2014-02-18 | John Gibson Enterprises, Inc. | Portable biometric lighter |
US8747107B2 (en) * | 2011-01-18 | 2014-06-10 | Tien Sung Electric Company Limited | Gas lighter with safety mechanism |
KR200456724Y1 (en) * | 2011-04-04 | 2011-11-15 | 이기철 | A gas lighter with roller-rotation restraining parts |
US10502419B2 (en) | 2017-09-12 | 2019-12-10 | John Gibson Enterprises, Inc. | Portable biometric lighter |
Family Cites Families (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1702121A (en) * | 1927-03-19 | 1929-02-12 | Raymond S Knapp | Pocket lighter |
US4717335A (en) * | 1986-08-28 | 1988-01-05 | Loveless Guy M | Child resistant lighter |
US4822276A (en) * | 1988-06-13 | 1989-04-18 | Bisbee Jerry L | Child-proof cigarette lighter |
US5085578A (en) * | 1989-10-16 | 1992-02-04 | Hunter Robert M | Child-resistant lighter with gas and spark control |
US5271731A (en) * | 1992-12-16 | 1993-12-21 | Hsin Chung Pan | Automatically lockable safety lighter |
US5236351A (en) * | 1993-01-13 | 1993-08-17 | Tien Andrew S H | Safety interlocks for a cigarette lighter |
US5597299A (en) * | 1993-05-24 | 1997-01-28 | Jon; Jong K. | Ignition safety device of gas lighter |
US5520197A (en) | 1993-07-28 | 1996-05-28 | Bic Corporation | Lighter with guard |
US5769098A (en) | 1993-07-28 | 1998-06-23 | Bic Corporation | Lighter with looped guard |
ES2113237B1 (en) | 1994-03-11 | 1999-01-01 | Flamagas | POCKET LIGHTER. |
US5439375A (en) * | 1994-06-16 | 1995-08-08 | American Tectrade Enterprises, Inc. | Child-resistant lockable lighter |
US5460516A (en) * | 1994-08-24 | 1995-10-24 | Polycity Industrial Ltd. | Safety lighter with locking striker wheel |
FR2731775B1 (en) | 1995-03-16 | 1997-05-23 | Hameur & Cie | LIGHTER KNOB ASSEMBLY |
FR2736420B1 (en) | 1995-07-06 | 1997-08-14 | Cricket Sa | GAS LIGHTER HAVING A SAFETY IGNITION SYSTEM |
US5769625A (en) * | 1996-01-04 | 1998-06-23 | Polycity Industrial Limited | Safety lighter with smooth striker wheel edges |
US5655902A (en) * | 1996-03-01 | 1997-08-12 | Bic Corporation | Lighter with spark-wheel slip ring |
US5584683A (en) * | 1996-03-05 | 1996-12-17 | Polycity Industrial Limited | Safety lighter with striker wheel stopper |
US5676537A (en) * | 1996-04-23 | 1997-10-14 | Era Intermarketing Co., Inc. | Lockable spark generating device for a lighter |
FR2749646B1 (en) * | 1996-06-06 | 1998-07-31 | Cricket Sa | GAS SAFETY LIGHTER FEATURING A PYROPHORIC STONE AND WHEEL IGNITION SYSTEM |
US5743725A (en) * | 1996-12-02 | 1998-04-28 | Cli-Claque Company Limited | Safety lighter |
US5957680A (en) * | 1998-04-17 | 1999-09-28 | Bic Corporation | Lighter having a guard member and cooperating blocking members |
-
1999
- 1999-10-12 FR FR9912676A patent/FR2799531B1/en not_active Expired - Fee Related
-
2000
- 2000-10-10 AT AT00402795T patent/ATE286230T1/en active
- 2000-10-10 DE DE60017048T patent/DE60017048T2/en not_active Expired - Lifetime
- 2000-10-10 EP EP00402795A patent/EP1092924B1/en not_active Expired - Lifetime
- 2000-10-10 ES ES00402795T patent/ES2233309T3/en not_active Expired - Lifetime
- 2000-10-11 CA CA002323699A patent/CA2323699C/en not_active Expired - Lifetime
- 2000-10-12 US US09/686,887 patent/US6612831B1/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
ATE286230T1 (en) | 2005-01-15 |
DE60017048D1 (en) | 2005-02-03 |
FR2799531A1 (en) | 2001-04-13 |
US6612831B1 (en) | 2003-09-02 |
CA2323699C (en) | 2009-12-29 |
CA2323699A1 (en) | 2001-04-12 |
EP1092924A1 (en) | 2001-04-18 |
DE60017048T2 (en) | 2005-09-22 |
FR2799531B1 (en) | 2002-02-08 |
ES2233309T3 (en) | 2005-06-16 |
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