EP0628148B1 - Child-proof gas lighter - Google Patents
Child-proof gas lighter Download PDFInfo
- Publication number
- EP0628148B1 EP0628148B1 EP93905413A EP93905413A EP0628148B1 EP 0628148 B1 EP0628148 B1 EP 0628148B1 EP 93905413 A EP93905413 A EP 93905413A EP 93905413 A EP93905413 A EP 93905413A EP 0628148 B1 EP0628148 B1 EP 0628148B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- pusher
- control lever
- lighter
- lever
- active
- 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
- 238000006386 neutralization reaction Methods 0.000 claims description 33
- 230000003472 neutralizing effect Effects 0.000 claims description 7
- 230000000694 effects Effects 0.000 claims description 6
- 230000014759 maintenance of location Effects 0.000 claims 1
- 230000000903 blocking effect Effects 0.000 abstract description 3
- 230000000295 complement effect Effects 0.000 description 5
- 238000012423 maintenance Methods 0.000 description 5
- 230000007935 neutral effect Effects 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000002301 combined effect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000000881 depressing effect Effects 0.000 description 1
- 230000000994 depressogenic effect Effects 0.000 description 1
- 239000013013 elastic material Substances 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 230000009897 systematic effect Effects 0.000 description 1
- 210000003813 thumb Anatomy 0.000 description 1
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D9/00—Central heating systems employing combinations of heat transfer fluids covered by two or more of groups F24D1/00 - F24D7/00
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- 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
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D10/00—District heating systems
Definitions
- the present application relates to a child-resistant gas lighter, that is to say a lighter in which, with the ignition mechanism, are associated means for neutralizing this mechanism, movable between an active neutralization position. , in which they prevent actuation of the ignition mechanism, and an erased position in which they allow this actuation, these mobile means being movable, manually, by the user, from their active neutralization position to their erased position.
- lighters of the aforementioned type are known in which the means for controlling the opening of the valve consist of a tilting lever articulated on an axis fixed orthogonal to the axis of the valve burner, one end of which is in the form of a fork or crown, is engaged under a flange of the valve burner and the other end or actuation end of which is intended to be actuated by the user, by being pushed towards the body of the lighter, against the force of a return spring, and the means for producing sparks are themselves independent or associated with the lever for controlling the opening of the valve , and in which the means for neutralizing the ignition mechanism are normally kept in the neutralization position and are, in addition, arranged to be automatically brought back to the neutralization position, at the end of actuation of the ignition mechanism.
- WO-A-90/12254 discloses a lighter of the aforementioned type in which the means for neutralizing the ignition mechanism are constituted by a pusher disposed under the actuating end of the rocking lever, movable parallel to the longitudinal axis of this rocking lever, between an active position in which it projects relative to the actuating end lever and an erased position in which it is pushed towards the other end of the rocking lever, this pusher being provided with guide means relative to the body of the lighter.
- the pusher has the shape of a horseshoe, each lateral branch of elastic material carrying a boss normally located under a skirt bordering the actuating end of the rocking lever so as to prevent this rocking in the direction of opening of the valve, complementary converging ramps being arranged on the internal faces of the side walls of the body of the lighter and on the ends of the branches of the pusher to cause a reduction in the spacing of their bosses when the pusher is moved to the erased position, so as to completely free the trajectory of the skirt of the actuating end of the rocking lever, while the pusher and the external rear face of the skirt of the actuating end of the rocking lever have complementary ramps of the same slope, capable of cooperating, when this end of the rocking lever is pushed in. ur cause the pusher to move in the opposite direction to its active neutralization position.
- US-A-4 832 596 discloses a lighter in which the means for controlling the opening of the valve consist of a rocking lever articulated on a fixed axis orthogonal to the axis of the valve burner, one end of which , in the form of a fork or crown, is engaged under a flange of the valve burner and the other end, or actuation end, is intended to be actuated by the user by being pushed in.
- the ignition mechanism is associated with means for neutralizing this mechanism constituted by a movable member between an active neutralization position, in which it prevents actuation of the lever for controlling the opening of the valve by having a part located under the rear actuating end of this lever, and an erased position, in which it allows this actuation, this member, which is manually movable, by the user, from its active neutralization position to its erased position, and which is normally maintained in the neutralization position, being further arranged to be automatically returned to the neutralization position, at the end of actuation of the ignition mechanism.
- the movable member is constituted by a member slidably mounted laterally at the upper edge of its body, and which has a bent rear end normally located under the rear end of actuation of the control lever, this rear bent end being able to be pushed back beyond the rear actuating end of the control lever, in the neutral position of this sliding member.
- the sliding member is normally kept in the active position by a return spring and can be moved to the neutral position by pressure exerted on its anterior end.
- this sliding member is exposed to the risk of being damaged or altered.
- the present invention aims to provide a gas lighter, childproof, a price much lower than that known above but which has a functional safety at least equivalent.
- the neutralizing member of the rocking lever is constituted by a pusher. , slidably mounted against the underside of the posterior end of actuation of the control lever, the movements of which it follows, and movable between a retracted active position in which, projecting from the rear end of the control lever , a part, integral with the body of the lighter, is located just below it, making it impossible to operate the control lever in the direction of opening of the valve, and an advanced and erased position, in which the aforementioned part of the body of the lighter is no longer on the path described by the pusher when operating the control lever, in the direction of opening of the valve, making this operation possible, mo yen being provided to ensure the momentary maintenance of the pusher in the erased position before actuation of the control lever and other means being provided to ensure its return to the active neutralization position, immediately after this actuation.
- the pusher is placed between two lateral longitudinal ribs bordering the underside of the rear end of the control lever and delimiting, under the rear end of this lever, a groove of the same width than it and ensuring its guidance, this pusher being interposed between the bottom of this groove and the upper end of the return spring of the control lever in the valve closed position, this spring ensuring its maintenance against the bottom of the groove cited above.
- the lever return spring is helical and its upper end is engaged on a pin secured to the underside of the pusher while its lower end is engaged on a pin secured to a transverse wall of the body of the lighter.
- the means for temporarily maintaining the pusher in the advanced and retracted position consist of a set of edges and notches provided, respectively, one at the anterior end of the bottom of the guide groove of the pusher and , the other, at the anterior end of the upper face of the pusher and located, one with respect to the other, so as to allow their mutual engagement when the pusher is moved from its active position moved back to its erased position advanced, the force of the return spring of the control lever ensuring the maintenance of this engagement, in the absence of any other force communicated to the control lever.
- the means for automatically returning the pusher to the active neutralization position, immediately after actuation of the control lever in the direction of opening of the valve consist, on the one hand, of a rigid skirt bordering the rear end of the lower face of the pusher and intended to bear against the lower end of the return spring of the control lever engaged on its fixed guide pin, before the angular end of travel of the control lever in the direction opening of the valve, which has the effect, due to the stopping of the angular travel of the pusher, to disengage one from the other the edge and the notch which are provided with the bottom of the guide groove of the pusher and the upper face of the latter and, on the other hand, by two ramps suitably oriented to act as cams, provided, respectively, in the bottom of the guide groove of the pusher and on the upper face of the latter, behind the aforementioned ridge and notch, and intended to come into contact with one another, immediately after the disengagement of the ridge and the notch to participate, as a result of the pressure generated by the action
- the front face of the rear, lower and rigid skirt of the pusher is profiled so as to match the curved profile of the return spring of the control lever, when the pusher occupies its advanced and retracted position.
- this spring also has a function of recalling the pusher in the withdrawn and active position, as soon as the control lever is released.
- the rear face of the pusher has a step, oriented downwards and intended to constitute the part of the pusher intended to come into contact with the complementary abutment face of the body of the lighter when the pusher is in the active position moved back to oppose any operation of the valve burner opening control lever.
- the part of the body of the lighter located just below the rear end of the pusher is constituted by the upper edge of the rear wall of the body of the lighter.
- this part of the body of the lighter is constituted by a shoulder provided, for this purpose, in the vicinity of the upper end of the internal face of the wall part of the body of the lighter located below the pusher.
- this step may, in the case of excessive pressure exerted on the control lever, be chamfered and no longer ensure its safety role. On the contrary, its possible chamfering risks causing the untimely displacement of the pusher forwards, until in its advanced and erased position, as a result of the reaction of this chamfer against the stop belonging to the body of the lighter.
- one of the sliding contact faces of the pusher and the rear end of the control lever has at least one projection and the other at least one recess , arranged so that each projection is engaged in the corresponding recess, in the active retracted position of the pusher.
- the upper sliding contact face of the pusher has a longitudinal opening and the lower face of the rear end of the control lever, the face against which the pusher slides, carries a guide pin constantly engaged in this light.
- the projection improving the holding of the pusher in the active retracted position is carried by the upper sliding contact face of the pusher and it is constituted by the two ends of a transverse rib interrupted by the longitudinal light of the pusher while the hollow is provided in the lower face of the rear end of the control lever and it is constituted by a transverse groove capable of accommodating the rib of the pusher when the latter is in the active remote neutralization position.
- the lighter according to the invention is of the type in which the means for controlling the opening of the valve burner 2 are constituted by a rocking lever 3 articulated on a fixed axis 4 orthogonal to the axis 2 'of the valve burner 2, by means of two pins 5 which it carries laterally, in its middle part, and which are engaged in hubs 6 formed in a yoke whose wings 7 are integral with the body 8 of the lighter.
- a crown-shaped end 3a of the rocking lever 3 is engaged under a flange 2a of the valve burner 2 so as to be able to control, by lifting the valve burner 2, the opening of the valve, when the other end or rear end d actuation 3b of the lever 3 is pushed towards the body 8 of the lighter, as illustrated by the arrow 9.
- the means of producing sparks have not been shown. These means may simply be of the pyrophoric and rotary stone type, the wheel and its coaches can be mounted on an axis 12, parallel to the axis 4 of the rocking lever 3 and carried above it by the wings 7 of the same yoke, so that at the end of actuation of the wheel, the user's thumb falls on the actuating end 3b of the lever 3, causing, immediately after the production of sparks, the opening of the valve burner 2 and the ignition of the flame.
- the means for neutralizing the ignition mechanism are arranged to oppose the actuation of the rocking lever 3 in the direction of the arrow 9.
- These means of neutralization consist of a pusher 13 mounted to slide, according to the direction of the arrows 14 and 15 parallel to the longitudinal axis of the lever 3, against the underside of the rear end 3b of the latter.
- the pusher 13 is mounted between two lateral longitudinal ribs 3c bordering the underside of the rear end 3b of the control lever 3 and delimiting, under this rear end, a 3d groove of the same width as the pusher 13 and ensuring its guidance during its movements in the direction of arrows 14 and 15.
- the lower end of the return spring 11 of the control lever 3 in the normal rest position is engaged on a vertical pin 16 secured to a transverse partition 8a of the body 8 of the lighter while the upper end of this spring 11 is engaged on a vertical pin 17 carried by the underside of the pusher 13.
- the elasticity and flexibility of the spring 11 is not opposed to the movement of the pusher 13 in the direction of the arrows 14 and 15 but, on the other hand, it ensures its application against the 3d groove which serves as a guide.
- the pusher 13 In the normal rest position, as illustrated in FIG. 1, the pusher 13 is in the retracted position, position in which a shoulder 13a, turned towards the bottom, formed in its rear face, bears against the upper edge 8b of the rear part of the wall of the body 8.
- the pusher 13 which is interposed, practically without play, between the aforementioned edge 8b of the wall of the body 8 and the underside of the rear end 3b of the lever 3 is opposed to any displacement of this rear end 3b in the direction of the arrow 9, that is to say in the direction corresponding to the opening of the valve burner 2 and, consequently, of the ignition of the lighter.
- the bottom of the 3d groove arranged in the lower face of the rear end 3b of the lever 3 has, near its front end, an edge 18 normally located in front from the front end of the pusher 13 and on the other hand, the upper face of the latter has, in the vicinity of its front end, a notch 19 intended to be engaged on the aforementioned edge 18 when the pusher 13 is moved into position advanced, that is to say in the direction of arrow 14.
- This advanced and erased position of the pusher 13 is shown in Figure 4.
- FIGS. 6 to 8 differs from the example illustrated in FIGS. 1 to 5 only in that the lower shoulder 13a of the pusher 13 is intended to bear, in the neutralization position of the control lever 3, not on the upper edge 8b of the rear wall of the body 8 of the lighter, but on an inner shoulder 8c arranged, for this purpose, against the internal face of this rear wall part of the body 8 of the lighter.
- Figures 9 to 11 are figures similar to Figures respectively 1, 4 and 5 showing a shape improved execution of the lighter illustrated in FIGS. 1 to 5.
- FIGS. 9 to 11 the same references designate the same parts or parts of parts as in FIGS. 1 to 5.
- the abutment face belonging to the body 8 of the lighter is constituted by a part 8b situated under the rear end 3b of the control lever 3, on the upper edge of the body 8 of the lighter.
- the corresponding bearing face of the pusher 13 intended to prevent the operation of the control lever 3 in the direction of the arrow 9, when the pusher 13 is in the active reverse position for neutralization, as illustrated in FIGS. 1 and 9, is made up by a step 13a arranged on the rear face of the rigid rear skirt 13b of the pusher 13.
- the upper sliding contact face of the pusher 13, that is to say the face in which the groove 19 is temporarily stopped. in the advanced and inactive position carries a transverse rib 23.
- the underside of the rear end 3b of the control lever 3, the face against which the plunger 13 slides has a transverse groove 24 capable of accommodating the rib 23 when the pusher is in the retracted active neutralization position, as illustrated in FIG. 9.
- the groove 24 on the lower face of the rear end 3b of the control lever 3 and the rib 23 on the upper sliding contact face of the pusher 13 are arranged so as to be engaged one inside the other when the pusher 13 is in the retracted active neutralization position, that is to say in the position illustrated in FIG. 9.
- the underside of the rear end 3b of the control lever 3 carries a guide pin 25 intended to be constantly engaged in a longitudinal slot 26 formed in the upper sliding contact face of the pusher 13.
- the engagement of the stud 25 in the slot 26 has the effect of improving the guiding of the pusher 13 during its two movements in the direction of the arrow 14 or in that of the arrow 15.
- the rib 23 is interrupted by light 26 without interfering with its function.
- the front face 13'b of the rigid rear and lower skirt 13b of the pusher 13 is shaped so as to be able to match the curved profile of the return spring 11 of the control lever 3 when the pusher 13 is moved to the advanced position and erased, as illustrated in FIG. 10. Indeed, if, in this position of the pusher 13, the front face 13'b of its rear skirt 13b matches the spring 11, the lever tilting control 3 in its open position of the valve burner 2, as illustrated in FIG. 11, causes a deformation of the spring 11 which, by this fact, participates in the return of the pusher 13 in the backward active neutralization position, as soon as the lever is released 3 by the user.
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Lighters Containing Fuel (AREA)
Abstract
Description
La présente demande concerne un briquet à gaz à l'épreuve des enfants, c'est-à-dire un briquet dans lequel, au mécanisme d'allumage, sont associés des moyens de neutralisation de ce mécanisme, mobiles entre une position active de neutralisation, dans laquelle ils empêchent l'actionnement du mécanisme d'allumage, et une position effacée dans laquelle ils permettent cet actionnement, ces moyens mobiles étant déplaçables, manuellement, par l'utilisateur, de leur position active de neutralisation à leur position effacée.The present application relates to a child-resistant gas lighter, that is to say a lighter in which, with the ignition mechanism, are associated means for neutralizing this mechanism, movable between an active neutralization position. , in which they prevent actuation of the ignition mechanism, and an erased position in which they allow this actuation, these mobile means being movable, manually, by the user, from their active neutralization position to their erased position.
Par le WO-A-90/00239 et par le EP-A-0 357 347, on connaît des briquets du type précité dans lesquels les moyens de commande de l'ouverture de la soupape sont constitués par un levier basculant articulé sur un axe fixe orthogonal à l'axe du brûleur soupape, dont une extrémité en forme de fourche ou couronne, est engagée sous une collerette du brûleur soupape et dont l'autre extrémité ou extrémité d'actionnement est destinée à être actionnée, par l'utilisateur, en étant poussée en direction du corps du briquet, à l'encontre de la force d'un ressort de rappel, et les moyens de production d'étincelles sont eux-mêmes indépendants ou associés au levier de commande de l'ouverture de la soupape, et dans lesquels les moyens de neutralisation du mécanisme d'allumage sont normalement maintenus en position de neutralisation et sont, en outre, agencés pour être automatiquement ramenés en position de neutralisation, en fin d'actionnement du mécanisme d'allumage.From WO-A-90/00239 and from EP-A-0 357 347, lighters of the aforementioned type are known in which the means for controlling the opening of the valve consist of a tilting lever articulated on an axis fixed orthogonal to the axis of the valve burner, one end of which is in the form of a fork or crown, is engaged under a flange of the valve burner and the other end or actuation end of which is intended to be actuated by the user, by being pushed towards the body of the lighter, against the force of a return spring, and the means for producing sparks are themselves independent or associated with the lever for controlling the opening of the valve , and in which the means for neutralizing the ignition mechanism are normally kept in the neutralization position and are, in addition, arranged to be automatically brought back to the neutralization position, at the end of actuation of the ignition mechanism.
Par le WO-A-90/12254, on connaît un briquet du type précité dans lequel les moyens de neutralisation du mécanisme d'allumage sont constitués par un poussoir disposé sous l'extrémité d'actionnement du levier basculant, mobile parallèlement à l'axe longitudinal de ce levier basculant, entre une position active dans laquelle il est en saillie par rapport à l'extrémité d'actionnement du levier et une position effacée dans laquelle il est repoussé en direction de l'autre extrémité du levier basculant, ce poussoir étant pourvu de moyens de guidage par rapport au corps du briquet.WO-A-90/12254 discloses a lighter of the aforementioned type in which the means for neutralizing the ignition mechanism are constituted by a pusher disposed under the actuating end of the rocking lever, movable parallel to the longitudinal axis of this rocking lever, between an active position in which it projects relative to the actuating end lever and an erased position in which it is pushed towards the other end of the rocking lever, this pusher being provided with guide means relative to the body of the lighter.
Selon ce document antérieur connu, le poussoir présente la forme d'un fer à cheval dont chaque branche latérale, en matière élastique, porte un bossage normalement situé sous une jupe bordant l'extrémité d'actionnement du levier basculant de manière à empêcher ce basculement dans le sens de l'ouverture de la soupape, des rampes convergentes complémentaires étant aménagées sur les faces internes des parois latérales du corps du briquet et sur les extrémités des branches du poussoir pour provoquer une réduction de l'écartement de leurs bossages lorsque le poussoir est déplacé en position effacée, de manière à libérer totalement la trajectoire de la jupe de l'extrémité d'actionnement du levier basculant, tandis que le poussoir et la face postérieure externe de la jupe de l'extrémité d'actionnement du levier basculant présentent des rampes complémentaires de même pente, aptes à coopérer, lors de l'enfoncement de cette extrémité du levier basculant, pour provoquer le déplacement, en sens inverse, du poussoir jusque dans sa position active de neutralisation.According to this known prior document, the pusher has the shape of a horseshoe, each lateral branch of elastic material carrying a boss normally located under a skirt bordering the actuating end of the rocking lever so as to prevent this rocking in the direction of opening of the valve, complementary converging ramps being arranged on the internal faces of the side walls of the body of the lighter and on the ends of the branches of the pusher to cause a reduction in the spacing of their bosses when the pusher is moved to the erased position, so as to completely free the trajectory of the skirt of the actuating end of the rocking lever, while the pusher and the external rear face of the skirt of the actuating end of the rocking lever have complementary ramps of the same slope, capable of cooperating, when this end of the rocking lever is pushed in. ur cause the pusher to move in the opposite direction to its active neutralization position.
On conçoit aisément que la complexité de la forme de ce poussoir et de celle complémentaire de la partie supérieure du corps de ce briquet renchérit considérablement son coût.It is easy to see that the complexity of the shape of this pusher and of that complementary to the upper part of the body of this lighter considerably increases its cost.
Par le US-A-4 832 596, on connaît un briquet dans lequel les moyens de commande de l'ouverture de la soupape sont constitués par un levier basculant articulé sur un axe fixe orthogonal à l'axe du brûleur soupape, dont une extrémité, en forme de fourche ou de couronne, est engagée sous une collerette du brûleur soupape et dont l'autre extrémité, ou extrémité d'actionnement, est destinée à être actionnée par l'utilisateur en étant poussée en direction du corps du briquet, à l'encontre de la force d'un ressort de rappel, les moyens de production d'étincelles étant eux-mêmes indépendants ou associés au levier de commande de l'ouverture de la soupape, et dans lequel, au mécanisme d'allumage, sont associés des moyens de neutralisation de ce mécanisme constitués par un organe mobile entre une position active de neutralisation, dans laquelle il empêche l'actionnement du levier de commande de l'ouverture de la soupape en présentant une partie située sous l'extrémité postérieure d'actionnement de ce levier, et une position effacée, dans laquelle il permet cet actionnement, cet organe, qui est déplaçable manuellement, par l'utilisateur, de sa position active de neutralisation à sa position effacée, et qui est normalement maintenu en position de neutralisation, étant, en outre, agencé pour être automatiquement ramené en position de neutralisation, en fin d'actionnement du mécanisme d'allumage.US-A-4 832 596 discloses a lighter in which the means for controlling the opening of the valve consist of a rocking lever articulated on a fixed axis orthogonal to the axis of the valve burner, one end of which , in the form of a fork or crown, is engaged under a flange of the valve burner and the other end, or actuation end, is intended to be actuated by the user by being pushed in. direction of the body of the lighter, against the force of a return spring, the means for producing sparks being themselves independent or associated with the lever for controlling the opening of the valve, and in which, the ignition mechanism is associated with means for neutralizing this mechanism constituted by a movable member between an active neutralization position, in which it prevents actuation of the lever for controlling the opening of the valve by having a part located under the rear actuating end of this lever, and an erased position, in which it allows this actuation, this member, which is manually movable, by the user, from its active neutralization position to its erased position, and which is normally maintained in the neutralization position, being further arranged to be automatically returned to the neutralization position, at the end of actuation of the ignition mechanism.
Dans ce briquet, l'organe mobile est constitué par un organe monté coulissant latéralement au bord supérieur de son corps, et qui présente une extrémité postérieure coudée normalement située sous l'extrémité postérieure d'actionnement du levier de commande, cette extrémité postérieure coudée étant apte à être repoussée au-delà de l'extrémité postérieure d'actionnement du levier de commande, en position neutre de cet organe coulissant.In this lighter, the movable member is constituted by a member slidably mounted laterally at the upper edge of its body, and which has a bent rear end normally located under the rear end of actuation of the control lever, this rear bent end being able to be pushed back beyond the rear actuating end of the control lever, in the neutral position of this sliding member.
Dans ce briquet, l'organe coulissant est normalement maintenu en position active par un ressort de rappel et peut être déplacé en position neutre par une pression exercée sur son extrémité antérieure.In this lighter, the sliding member is normally kept in the active position by a return spring and can be moved to the neutral position by pressure exerted on its anterior end.
En conséquence, lors de l'allumage du briquet, il est nécessaire de maintenir l'organe coulissant en position neutre en même temps que le levier de commande est actionné, ce qui n'est pas facile à réaliser d'une seule main.Consequently, when the lighter is lit, it is necessary to keep the sliding member in neutral position at the same time as the control lever is actuated, which is not easy to carry out with one hand.
Par ailleurs, étant monté latéralement à la tête du briquet, cet organe coulissant est exposé au risque d'être détérioré ou altéré.Furthermore, being mounted laterally at the head of the lighter, this sliding member is exposed to the risk of being damaged or altered.
Enfin, son retour en position active est tributaire de la présence de son ressort de rappel et, ce dernier étant également très exposé, il y a des risques qu'il ne se perde et que, par conséquent, sa fonction ne soit plus remplie, ce qui entraîne la perte pour le briquet de son caractère "à l'épreuve des enfants".Finally, its return to the active position is dependent on the presence of its return spring and, the latter also being very exposed, there is a risk that it will get lost and that, consequently, its function will no longer be fulfilled, which causes the lighter to lose its child-resistant character.
La présente invention vise à fournir un briquet à gaz, à l'épreuve des enfants, d'un prix bien inférieur à celui connu précité mais qui présente une sécurité de fonctionnement au moins équivalente.The present invention aims to provide a gas lighter, childproof, a price much lower than that known above but which has a functional safety at least equivalent.
A cet effet, dans le briquet qu'elle concerne et qui est du type précité dans lequel les moyens de commande de l'ouverture de la soupape sont constitués par un levier basculant, l'organe de neutralisation du levier basculant est constitué par un poussoir, monté coulissant contre la face inférieure de l'extrémité postérieure d'actionnement du levier de commande, dont il suit les mouvements, et mobile entre une position active reculée dans laquelle, étant en saillie par rapport à l'extrémité postérieure du levier de commande, une partie, solidaire du corps du briquet, est située juste au-dessous de lui, rendant impossible toute manoeuvre du levier de commande dans le sens de l'ouverture de la soupape, et une position avancée et effacée, dans laquelle la partie précitée du corps du briquet n'est plus sur la trajectoire décrite par le poussoir lors de la manoeuvre du levier de commande, dans le sens de l'ouverture de la soupape, rendant cette manoeuvre possible, des moyens étant prévus pour assurer le maintien momentané du poussoir en position effacée avant l'actionnement du levier de commande et d'autres moyens étant prévus pour assurer son retour en position active de neutralisation, aussitôt après cet actionnement.To this end, in the lighter that it concerns and which is of the aforementioned type in which the means for controlling the opening of the valve are constituted by a rocking lever, the neutralizing member of the rocking lever is constituted by a pusher. , slidably mounted against the underside of the posterior end of actuation of the control lever, the movements of which it follows, and movable between a retracted active position in which, projecting from the rear end of the control lever , a part, integral with the body of the lighter, is located just below it, making it impossible to operate the control lever in the direction of opening of the valve, and an advanced and erased position, in which the aforementioned part of the body of the lighter is no longer on the path described by the pusher when operating the control lever, in the direction of opening of the valve, making this operation possible, mo yen being provided to ensure the momentary maintenance of the pusher in the erased position before actuation of the control lever and other means being provided to ensure its return to the active neutralization position, immediately after this actuation.
Suivant une forme d'exécution simple de l'invention, le poussoir est placé entre deux nervures longitudinales latérales bordant la face inférieure de l'extrémité postérieure du levier de commande et délimitant, sous l'extrémité postérieure de ce levier, une gorge de même largeur que lui et assurant son guidage, ce poussoir étant interposé entre le fond de cette gorge et l'extrémité supérieure du ressort de rappel du levier de commande en position de fermeture de la soupape, ce ressort assurant son maintien contre le fond de la gorge précitée.According to a simple embodiment of the invention, the pusher is placed between two lateral longitudinal ribs bordering the underside of the rear end of the control lever and delimiting, under the rear end of this lever, a groove of the same width than it and ensuring its guidance, this pusher being interposed between the bottom of this groove and the upper end of the return spring of the control lever in the valve closed position, this spring ensuring its maintenance against the bottom of the groove cited above.
Suivant une forme d'exécution préférée de l'invention, pour améliorer la tenue du poussoir dans sa gorge de guidage, le ressort de rappel du levier est hélicoïdal et son extrémité supérieure est engagée sur un pion solidaire de la face inférieure du poussoir tandis que son extrémité inférieure est engagée sur un pion solidaire d'une paroi transversale du corps du briquet.According to a preferred embodiment of the invention, to improve the holding of the pusher in its guide groove, the lever return spring is helical and its upper end is engaged on a pin secured to the underside of the pusher while its lower end is engaged on a pin secured to a transverse wall of the body of the lighter.
De préférence, les moyens pour assurer momentanément le maintien du poussoir en position avancée et effacée sont constitués par un jeu d'arête et encoche prévues, respectivement, l'une, à l'extrémité antérieure du fond de la gorge de guidage du poussoir et, l'autre, à l'extrémité antérieure de la face supérieure du poussoir et situées, l'une par rapport à l'autre, de façon à permettre leur engagement réciproque lorsque le poussoir est déplacé de sa position active reculée à sa position effacée avancée, la force du ressort de rappel du levier de commande assurant le maintien de cet engagement, en l'absence de tout autre effort communiqué au levier de commande.Preferably, the means for temporarily maintaining the pusher in the advanced and retracted position consist of a set of edges and notches provided, respectively, one at the anterior end of the bottom of the guide groove of the pusher and , the other, at the anterior end of the upper face of the pusher and located, one with respect to the other, so as to allow their mutual engagement when the pusher is moved from its active position moved back to its erased position advanced, the force of the return spring of the control lever ensuring the maintenance of this engagement, in the absence of any other force communicated to the control lever.
Dans ce cas, avantageusement, les moyens pour assurer automatiquement le retour du poussoir en position active de neutralisation, aussitôt après l'actionnement du levier de commande dans le sens de l'ouverture de la soupape, sont constitués, d'une part, par une jupe rigide bordant l'extrémité postérieure de la face inférieure du poussoir et destinée à prendre appui contre l'extrémité inférieure du ressort de rappel du levier de commande engagée sur son pion fixe de guidage, avant la fin de course angulaire du levier de commande dans le sens de l'ouverture de la soupape, ce qui a pour effet, en raison de l'arrêt de la course angulaire du poussoir, de désengager l'une de l'autre l'arête et l'encoche dont sont pourvus le fond de la gorge de guidage du poussoir et la face supérieure de ce dernier et, d'autre part, par deux rampes convenablement orientée pour faire office de cames, prévues, respectivement, dans le fond de la gorge de guidage du poussoir et sur la face supérieure de ce dernier, en arrière de l'arête et de l'encoche précitées, et destinées à entrer en contact l'une avec l'autre, aussitôt après le désengagement de l'arête et de l'encoche pour participer, par suite de la pression engendrée par l'action du ressort de rappel du levier de commande, au mouvement de recul du poussoir jusque dans sa position active de neutralisation.In this case, advantageously, the means for automatically returning the pusher to the active neutralization position, immediately after actuation of the control lever in the direction of opening of the valve, consist, on the one hand, of a rigid skirt bordering the rear end of the lower face of the pusher and intended to bear against the lower end of the return spring of the control lever engaged on its fixed guide pin, before the angular end of travel of the control lever in the direction opening of the valve, which has the effect, due to the stopping of the angular travel of the pusher, to disengage one from the other the edge and the notch which are provided with the bottom of the guide groove of the pusher and the upper face of the latter and, on the other hand, by two ramps suitably oriented to act as cams, provided, respectively, in the bottom of the guide groove of the pusher and on the upper face of the latter, behind the aforementioned ridge and notch, and intended to come into contact with one another, immediately after the disengagement of the ridge and the notch to participate, as a result of the pressure generated by the action of the ra spring ppel of the control lever, at the backward movement of the pusher until in its active neutralization position.
Il faut noter que la raideur du ressort de rappel du levier de commande, dont les extrémités sont engagées sur des pions dont l'un est fixe et l'autre solidaire du poussoir, participe aux forces de rappel du poussoir en position reculée active de neutralisation.It should be noted that the stiffness of the return spring of the control lever, the ends of which are engaged on pins, one of which is fixed and the other secured to the pusher, contributes to the return forces of the pusher in the retracted active active neutralization position. .
De préférence, la face antérieure de la jupe postérieure, inférieure et rigide du poussoir est profilée de manière à épouser le profil incurvé du ressort de rappel du levier de commande, lorsque le poussoir occupe sa position avancée et effacée.Preferably, the front face of the rear, lower and rigid skirt of the pusher is profiled so as to match the curved profile of the return spring of the control lever, when the pusher occupies its advanced and retracted position.
Ainsi, grâce à sa déformation supplémentaire due au poussoir, en position basculée du levier de commande, ce ressort a aussi une fonction de rappel du poussoir en position reculée et active, dès la libération du levier de commande.Thus, thanks to its additional deformation due to the pusher, in the tilted position of the control lever, this spring also has a function of recalling the pusher in the withdrawn and active position, as soon as the control lever is released.
Avantageusement, la face postérieure du poussoir présente un gradin, orienté vers le bas et destiné à constituer la partie du poussoir destinée à entrer en contact avec la face de butée complémentaire du corps du briquet lorsque la poussoir est en position active reculée pour s'opposer à toute manoeuvre du levier de commande de l'ouverture du brûleur soupape.Advantageously, the rear face of the pusher has a step, oriented downwards and intended to constitute the part of the pusher intended to come into contact with the complementary abutment face of the body of the lighter when the pusher is in the active position moved back to oppose any operation of the valve burner opening control lever.
Suivant une première forme d'exécution de l'invention, la partie du corps du briquet située juste en-dessous de l'extrémité postérieure du poussoir est constituée par le bord supérieur de la paroi postérieure du corps du briquet.According to a first embodiment of the invention, the part of the body of the lighter located just below the rear end of the pusher is constituted by the upper edge of the rear wall of the body of the lighter.
Dans une variante, cette partie du corps du briquet est constituée par un épaulement prévu, à cet effet, au voisinage de l'extrémité supérieure de la face interne de la partie de paroi du corps du briquet située en-dessous du poussoir.In a variant, this part of the body of the lighter is constituted by a shoulder provided, for this purpose, in the vicinity of the upper end of the internal face of the wall part of the body of the lighter located below the pusher.
Quelle que soit la partie du corps du briquet contre laquelle le gradin du poussoir prend appui, ce gradin risque, dans le cas de pressions excessives exercées sur le levier de commande, d'être chanfreiné et de ne plus assurer son rôle de sécurité. Au contraire, son chanfreinage éventuel risque de provoquer le déplacement intempestif du poussoir vers l'avant, jusque dans sa position avancée et effacée, par suite de la réaction de ce chanfrein contre la butée appartenant au corps du briquet.Whatever part of the body of the lighter against which the step of the pusher is supported, this step may, in the case of excessive pressure exerted on the control lever, be chamfered and no longer ensure its safety role. On the contrary, its possible chamfering risks causing the untimely displacement of the pusher forwards, until in its advanced and erased position, as a result of the reaction of this chamfer against the stop belonging to the body of the lighter.
Pour éliminer ce risque, suivant une forme d'exécution perfectionnée de l'invention, l'une des faces en contact coulissant du poussoir et de l'extrémité postérieure du levier de commande présente au moins une saillie et l'autre au moins un creux, disposés de manière que chaque saillie soit engagée dans le creux correspondant, en position active reculée du poussoir.To eliminate this risk, according to an improved embodiment of the invention, one of the sliding contact faces of the pusher and the rear end of the control lever has at least one projection and the other at least one recess , arranged so that each projection is engaged in the corresponding recess, in the active retracted position of the pusher.
Ainsi, même une pression exagérée sur l'extrémité postérieure d'actionnement du levier ne pourra pas provoquer l'avance du poussoir en position effacée. Au contraire, une telle pression ne pourra qu'accroître l'interpénétration des saillies et creux qui s'oppose à tout déplacement du poussoir par rapport au levier.Thus, even an exaggerated pressure on the posterior end of actuation of the lever will not be able cause the pusher to advance to the erased position. On the contrary, such a pressure will only increase the interpenetration of the projections and recesses which opposes any movement of the pusher relative to the lever.
Avantageusement, la face supérieure de contact glissant du poussoir présente une lumière longitudinale et la face inférieure de l'extrémité postérieure du levier de commande, face contre laquelle glisse le poussoir, porte un téton de guidage constamment engagé dans cette lumière.Advantageously, the upper sliding contact face of the pusher has a longitudinal opening and the lower face of the rear end of the control lever, the face against which the pusher slides, carries a guide pin constantly engaged in this light.
Dans ce cas, la saillie améliorant la tenue du poussoir en position reculée active est portée par la face supérieure de contact glissant du poussoir et elle est constituée par les deux extrémités d'une nervure transversale interrompue par la lumière longitudinale du poussoir tandis que le creux est prévu dans la face inférieure de l'extrémité postérieure du levier de commande et il est constitué par une gorge transversale apte à loger la nervure du poussoir lorsque ce dernier est en position reculée active de neutralisation.In this case, the projection improving the holding of the pusher in the active retracted position is carried by the upper sliding contact face of the pusher and it is constituted by the two ends of a transverse rib interrupted by the longitudinal light of the pusher while the hollow is provided in the lower face of the rear end of the control lever and it is constituted by a transverse groove capable of accommodating the rib of the pusher when the latter is in the active remote neutralization position.
De toute façon, l'invention sera bien comprise, à l'aide de la description qui suit, en référence au dessin schématique annexé représentant, à titre d'exemples non limitatifs, deux formes d'exécution de ce briquet dont seule l'extrémité supérieure du corps portant la tête du briquet est représentée sur le dessin :
- Figures 1 et 2 sont des vues en coupe suivant, respectivement, I-I de figure 2 et II-II de figure 1, d'une première forme d'exécution de ce briquet, avec son levier de commande en position normale de repos et le poussoir en position de neutralisation du levier de commande ;
- Figure 3 est une vue en perspective montrant le poussoir de ce briquet ;
- Figure 4 est une vue similaire à figure 1 montrant le poussoir en position avancée d'effacement et par conséquent de libération du levier de commande, ce dernier étant toujours en position normale de repos ;
- Figure 5 est une vue similaire, respectivement, aux figures 1 et 4 montrant le levier de commande en fin de course d'actionnement, c'est-à-dire en position d'ouverture de la soupape ;
- Figures 6 à 8 sont des vues similaires aux figures, respectivement, 1, 4 et 5 montrant une seconde forme d'exécution de ce briquet ;
- Figures 9 à 11 sont des vues similaires aux figures, respectivement 1, 4 et 5, illustrant une forme d'exécution perfectionnée de ce briquet.
- Figures 1 and 2 are sectional views along, respectively, II of Figure 2 and II-II of Figure 1, of a first embodiment of this lighter, with its control lever in normal rest position and the pusher in the neutralization position of the control lever;
- Figure 3 is a perspective view showing the pusher of this lighter;
- Figure 4 is a view similar to Figure 1 showing the pusher in the advanced erase position and by consequently release of the control lever, the latter always being in the normal rest position;
- Figure 5 is a view similar, respectively, to Figures 1 and 4 showing the control lever at the end of the actuating stroke, that is to say in the valve open position;
- Figures 6 to 8 are views similar to the figures, respectively, 1, 4 and 5 showing a second embodiment of this lighter;
- Figures 9 to 11 are views similar to the figures, respectively 1, 4 and 5, illustrating an improved embodiment of this lighter.
Comme le montre le dessin, le briquet selon l'invention est du type dans lequel les moyens de commande de l'ouverture du brûleur soupape 2 sont constitués par un levier basculant 3 articulé sur un axe fixe 4 orthogonal à l'axe 2' du brûleur soupape 2, par l'intermédiaire de deux tourillons 5 qu'il porte latéralement, dans sa partie médiane, et qui sont engagés dans des moyeux 6 ménagés dans une chape dont les ailes 7 sont solidaires du corps 8 du briquet. Une extrémité en forme de couronne 3a du levier basculant 3 est engagée sous une collerette 2a du brûleur soupape 2 de manière à pouvoir commander, par soulèvement du brûleur soupape 2, l'ouverture de la soupape, lorsque l'autre extrémité ou extrémité postérieure d'actionnement 3b du levier 3 est poussée en direction du corps 8 du briquet, comme illustré par la flèche 9. Un ressort hélicoïdal 11, comprimé entre une paroi transversale 8a du corps 8 du briquet et la face inférieure de l'extrémité d'actionnement 3b du levier basculant 3, tend constamment à éloigner cette extrémité du corps 8 et, par conséquent, à ramener le brûleur soupape 2 en position de fermeture de la soupape.As shown in the drawing, the lighter according to the invention is of the type in which the means for controlling the opening of the
Sur le dessin, on n'a pas représenté les moyens de production d'étincelles. Ces moyens peuvent être tout simplement du type à pierre pyrophorique et molette, la molette et ses entraîneurs pouvant être montés sur un axe 12, parallèle à l'axe 4 du levier basculant 3 et porté, au-dessus de lui, par les ailes 7 de la même chape, de telle sorte qu'en fin d'actionnement de la molette, le pouce de l'utilisateur tombe sur l'extrémité d'actionnement 3b du levier 3, provoquant, aussitôt après la production d'étincelles, l'ouverture du brûleur soupape 2 et l'allumage de la flamme.In the drawing, the means of producing sparks have not been shown. These means may simply be of the pyrophoric and rotary stone type, the wheel and its coaches can be mounted on an
Dans ce briquet, les moyens de neutralisation du mécanisme d'allumage sont agencés pour s'opposer à l'actionnement du levier basculant 3 dans le sens de la flèche 9. Ces moyens de neutralisation sont constitués par un poussoir 13 monté coulissant, suivant le sens des flèches 14 et 15 parallèles à l'axe longitudinal du levier 3, contre la face inférieure de l'extrémité postérieure 3b de ce dernier. A cet effet, le poussoir 13 est monté entre deux nervures longitudinales latérales 3c bordant la face inférieure de l'extrémité postérieure 3b du levier de commande 3 et délimitant, sous cette extrémité postérieure, une gorge 3d de même largeur que le poussoir 13 et assurant son guidage lors de ses déplacements dans le sens des flèches 14 et 15.In this lighter, the means for neutralizing the ignition mechanism are arranged to oppose the actuation of the rocking
Comme le montre le dessin, l'extrémité inférieure du ressort 11 de rappel du levier de commande 3 en position normale de repos est engagée sur un pion vertical 16 solidaire d'une cloison transversale 8a du corps 8 du briquet tandis que l'extrémité supérieure de ce ressort 11 est engagée sur un pion vertical 17 porté par la face inférieure du poussoir 13. Comme on le conçoit aisément, l'élasticité et la souplesse du ressort 11 ne s'oppose pas au déplacement du poussoir 13 dans le sens des flèches 14 et 15 mais, par contre, il assure son application contre la gorge 3d qui lui sert de guidage.As shown in the drawing, the lower end of the
En position normale de repos, comme illustré sur la figure 1, le poussoir 13 est en position reculée, position dans laquelle un épaulement 13a, tourné vers le bas, ménagé dans sa face postérieure, est en appui contre le bord supérieur 8b de la partie postérieure de la paroi du corps 8. Dans cette position, le poussoir 13 qui est interposé, pratiquement sans jeu, entre le bord 8b précité de la paroi du corps 8 et la face inférieure de l'extrémité postérieure 3b du levier 3 s'oppose à tout déplacement de cette extrémité postérieure 3b dans le sens de la flèche 9, c'est-à-dire dans le sens correspondant à l'ouverture du brûleur soupape 2 et, par conséquent, à l'allumage du briquet.In the normal rest position, as illustrated in FIG. 1, the
Par ailleurs, comme le montre le dessin, d'une part, le fond de la gorge 3d aménagée dans la face inférieure de l'extrémité postérieure 3b du levier 3 présente, au voisinage de son extrémité antérieure, une arête 18 normalement située en avant de l'extrémité antérieure du poussoir 13 et d'autre part, la face supérieure de ce dernier présente, au voisinage de son extrémité antérieure, une encoche 19 destinée à être engagée sur l'arête 18 précitée lorsque le poussoir 13 est déplacé en position avancée, c'est-à-dire dans le sens de la flèche 14. Cette position avancée et effacée du poussoir 13 est montrée sur la figure 4. Comme le montre l'examen de cette figure, le maintien normal du poussoir 13 en position avancée est assuré par le ressort 11 dont la force, qui agit contre la face inférieure du poussoir 13, tend à maintenir l'encoche 19 de ce dernier engagée sur l'arête 18 du fond de la gorge 3d de la face inférieure de l'extrémité postérieure 3b du levier 3.Furthermore, as shown in the drawing, on the one hand, the bottom of the 3d groove arranged in the lower face of the
Dans cette position, comme le montre nettement la figure 4, l'épaulement 13a du poussoir 13 se trouve totalement effacé par rapport au bord supérieur 8b de la paroi postérieure du corps 8 du briquet. Dans cette position, le poussoir 13 ne s'oppose donc plus au pivotement du levier 3 par enfoncement, dans le sens de la flèche 9, de son extrémité postérieure d'actionnement 3b.In this position, as clearly shown in Figure 4, the
Par ailleurs, le maintien du poussoir 13 dans sa position avancée et effacée telle qu'illustrée sur la figure 4 est assuré tant qu'aucune force autre que celle exercée par le ressort 11 n'agit sur l'extrémité postérieure 3b du levier 3.Furthermore, the maintenance of the
Par contre, lorsqu'une force est exercée, dans le sens de la flèche 9, sur l'extrémité postérieure 3b du levier de commande 3, celui-ci pivote autour de son axe 4 dans le sens correspondant au soulèvement du brûleur soupape 2 et, par conséquent, à l'ouverture de la soupape.On the other hand, when a force is exerted, in the direction of arrow 9, on the
Au cours de ce pivotement du levier 3, une jupe inférieure 13b qui borde le bord postérieur de la face inférieure du poussoir 13 entre en contact avec l'extrémité inférieure du ressort 11 engagé sur le pion fixe 16. Comme le montre la figure 5, dans cette position, le poussoir 13 ne peut plus .accompagner l'extrémité postérieure 3b du levier de commande 3 dans sa course angulaire et, par conséquent, se trouve immobilisé tandis que le levier 3b poursuit sa course. Il en résulte que l'extrémité postérieure 3b du levier 3 effectue une translation en avant par rapport au poussoir 13, provoquant, de ce fait, le désengagement de l'arête 18 du fond de la gorge 3d par rapport à l'encoche 19 du poussoir 13.During this pivoting of the
Cette position de désengagement est parfaitement visible sur la figure 5.This disengagement position is perfectly visible in FIG. 5.
On conçoit aisément qu'un relâchement du levier de commande 3 a pour effet son retour en position de départ, tel qu'illustré sur la figure 1, sous l'effet du ressort 11. En outre, ce dernier, qui a une tendance naturelle à reprendre sa forme tubulaire rectiligne, participe au retour du poussoir 13, libéré, en position reculée de neutralisation telle qu'illustrée sur la figure 1.It is easily understood that a release of the
Cependant, pour rendre ce retour du poussoir 13 plus systématique, dès la libération du levier de commande 3, il est prévu, d'une part, à l'extrémité avant du fond de la gorge 3d, une rampe 21 orientée de bas en haut et vers l'arrière et, à l'extrémité antérieure du poussoir 13, une rampe 22 complémentaire de telle sorte qu'après le désengagement de l'arête 18 et de l'encoche 19, les deux rampes 21 et 22, qui sont pressées l'une contre l'autre par le ressort 11, engendrent une force de refoulement du poussoir 13 dans le sens de la flèche 15, ce qui assure son retour en position de neutralisation.However, to make this return of the
Il a été indiqué précédemment que la position avancée et effacée du poussoir 13 était assurée, momentanément, par l'effet combiné de l'engagement de l'arête 18 dans l'encoche 19 et la pression, exercée sous le poussoir 13, par le ressort 11. Il faut noter que ce maintien momentané sur poussoir 13 dans cette position a pour but de permettre à l'utilisateur de relâcher le poussoir 13 et d'actionner le levier de commande 3 qui peut, à ce moment, pivoter dans le sens correspondant à l'allumage du briquet.It has been indicated previously that the advanced and retracted position of the
L'exemple illustré par les figures 6 à 8, sur lesquelles les mêmes éléments et parties d'éléments sont désignés par les mêmes références, ne diffère de l'exemple illustré par les figures 1 à 5 que par le fait que l'épaulement inférieur 13a du poussoir 13 est destiné à prendre appui, en position de neutralisation du levier de commande 3, non pas sur le bord supérieur 8b de la paroi arrière du corps 8 du briquet, mais sur un épaulement intérieur 8c aménagé, à cet effet, contre la face interne de cette partie de paroi postérieure du corps 8 du briquet.The example illustrated in FIGS. 6 to 8, in which the same elements and parts of elements are designated by the same references, differs from the example illustrated in FIGS. 1 to 5 only in that the
Naturellement, en dehors de cette différence minime, le mode de fonctionnement du briquet des figures 6 à 8 est rigoureusement identique à celui de la forme d'exécution illustrée par les figures 1 à 5.Naturally, apart from this minimal difference, the operating mode of the lighter of FIGS. 6 to 8 is strictly identical to that of the embodiment illustrated in FIGS. 1 to 5.
Les figures 9 à 11 sont des figures similaires aux figures respectivement 1, 4 et 5 représentant une forme d'exécution perfectionnée du briquet illustré par les figures 1 à 5.Figures 9 to 11 are figures similar to Figures respectively 1, 4 and 5 showing a shape improved execution of the lighter illustrated in FIGS. 1 to 5.
Sur les figures 9 à 11, les mêmes références désignent les mêmes pièces ou parties de pièces que sur les figures 1 à 5.In FIGS. 9 to 11, the same references designate the same parts or parts of parts as in FIGS. 1 to 5.
Par conséquent, comme dans l'exemple illustré par les figures 1 à 5, la face de butée appartenant au corps 8 du briquet est constituée par une partie 8b située sous l'extrémité postérieure 3b du levier de commande 3, sur le bord supérieur du corps 8 du briquet. La face d'appui correspondante du poussoir 13 destinée à empêcher la manoeuvre du levier de commande 3 dans le sens de la flèche 9, lorsque le poussoir 13 est en position reculée active de neutralisation, comme illustré sur les figures 1 et 9, est constituée par un redan 13a aménagé sur la face postérieure de la jupe postérieure rigide 13b du poussoir 13.Consequently, as in the example illustrated by FIGS. 1 to 5, the abutment face belonging to the
On conçoit aisément, en examinant les figures 1 et 9, qu'une pression excessive exercée dans le sens de la flèche 9 sur l'extrémité postérieure 3b du levier de commande 3 peut arriver, par refoulement de matière, à déformer le redan 13a et/ou le bord supérieur 8b du corps du briquet 8 et à les déformer de telle sorte que leurs arêtes respectives deviennent des chanfreins.It is easy to see, by examining FIGS. 1 and 9, that an excessive pressure exerted in the direction of arrow 9 on the
Dans ce cas, naturellement, une force normale exercée sur l'extrémité postérieure 3b du levier de commande 3 provoquera le déplacement du poussoir 13 dans le sens de la flèche 14 et, par conséquent, annihilera le rôle de ce poussoir 13 qui sera automatiquement amené en position effacée et inactive par la simple manoeuvre normale du levier de commande 3.In this case, naturally, a normal force exerted on the
La forme d'exécution illustrée par les figures 9 à 11 vise à éviter un tel risque.The embodiment illustrated in Figures 9 to 11 aims to avoid such a risk.
A cet effet, la face supérieure de contact glissant du poussoir 13, c'est-à-dire la face dans laquelle est déjà ménagée la gorge 19 d'arrêt temporaire en position avancée et inactive, porte une nervure transversale 23. Par ailleurs, la face inférieure de l'extrémité postérieure 3b du levier de commande 3, face contre laquelle glisse le poussoir 13, présente une gorge transversale 24 apte à loger la nervure 23 lorsque le poussoir est en position reculée active de neutralisation, comme illustré sur la figure 9. Naturellement, la gorge 24 de la face inférieure de l'extrémité postérieure 3b du levier de commande 3 et la nervure 23 de la face supérieure de contact glissant du poussoir 13 sont disposées de manière à être engagées l'une dans l'autre lorsque le poussoir 13 est en position reculée active de neutralisation, c'est-à-dire dans la position illustrée sur la figure 9.For this purpose, the upper sliding contact face of the
On conçoit aisément que l'interpénétration de la nervure 23 et de la gorge 24 s'oppose à tout déplacement du poussoir 13 dans le sens de la flèche 14, même si une forte pression est exercée sur l'extrémité postérieure 3b du levier de commande 3, dans le sens de la flèche 9. En effet, une telle pression a pour effet d'accroître l'interpénétration de la nervure 23 dans la gorge 24 et, par conséquent, d'augmenter le blocage du poussoir 13 en position reculée active de neutralisation.It is easily understood that the interpenetration of the
Par contre, on conçoit qu'en raison de l'absence, due au moulage, d'angles vifs dans la zone de la gorge 24 et de la nervure 23, ainsi qu'en raison du montage flottant sur ressort du poussoir, cette interpénétration ne peut pas empêcher le déplacement du poussoir 13 dans le sens de la flèche 14, lorsqu'une pression est exercée sur son extrémité postérieure pour l'amener en position avancée et effacée.On the other hand, it is understood that due to the absence, due to molding, of sharp angles in the region of the
Comme le montrent les figures 9 à 11, la face inférieure de l'extrémité postérieure 3b du levier de commande 3 porte un téton de guidage 25 destiné à être constamment engagé dans une lumière longitudinale 26 ménagée dans la face supérieure de contact glissant du poussoir 13. L'engagement du téton 25 dans la lumière 26 a pour effet d'améliorer le guidage du poussoir 13 lors de ses deux déplacements dans le sens de la flèche 14 ou dans celui de la flèche 15. Dans ce cas, la nervure 23 est interrompue par la lumière 26 sans interférence sur sa fonction.As shown in Figures 9 to 11, the underside of the
Enfin, suivant une autre caractéristique intéressante de l'invention, la face antérieure 13'b de la jupe postérieure et inférieure rigide 13b du poussoir 13 est conformée de manière à pouvoir épouser le profil incurvé du ressort 11 de rappel du levier de commande 3 lorsque le poussoir 13 est déplacé en position avancée et effacée, comme illustré sur la figure 10. En effet, si, dans cette position du poussoir 13, la face antérieure 13'b de sa jupe postérieure 13b épouse le ressort 11, le basculement du levier de commande 3 dans sa position d'ouverture du brûleur soupape 2, comme illustré sur la figure 11, provoque une déformation du ressort 11 qui, de ce fait, participe au retour du poussoir 13 en position reculée active de neutralisation, dès libération du levier de commande 3 par l'utilisateur.Finally, according to another advantageous characteristic of the invention, the front face 13'b of the rigid rear and
En effet, dans la position enfoncée de l'extrémité postérieure 3b du levier de commande 3, la déformation qui en résulte du ressort 11 crée une force supplémentaire de rappel du poussoir 13 dans le sens de la flèche 15.In fact, in the depressed position of the
Claims (11)
- A gas-filled child-proof lighter of the type in which the means for opening the burner valve (2) consist of a tilting lever (3) articulated to a fixed pin (4) orthogonal to the axis (2') of the burner valve (2), one end (3a) of the tilting lever (3), in the form of a fork or ring, is engaged under a collar (2a) of the burner valve (2) and the other end, or actuation end (3b) of which is intended to be actuated by the user by being pushed in the direction of the body (8) of the lighter, counter to the force of a return spring (11), the means for producing sparks themselves being independent or combined with the lever (3) for opening the valve (2), and in which there are combined with the lighting mechanism means for neutralising this mechanism, which means consist of a member movable between an active neutralisation position, in which it prevents the actuation of the control lever (3) for opening the valve, having a part located under the rear actuation end (3b) of this lever, and a non obstructing position in which it allows this actuation; this member which can be displaced, manually, by the user, from its active neutralisation position to its non obstructing position, being moreover, arranged so as to be returned automatically into the neutralisation position after actuation of the lighting mechanism, whereby the tilting lever (3) consists of a pusher (13) and means being provided for ensuring that the pusher (13) is momentarily kept in the non obstructing position before actuation of the control lever (3) and other means being provided to ensure that it returns to the active neutralisation position immediately after this actuation, characterised in that the pusher (13) is mounted so as to slide against the lower face of the rear end (3b) of the control lever (3), whose movement it follows, and is movable between active neutralisation position in which it is held supported against the rear end (3b) of the control lever (3), by a part (8b) of the body (8) of the lighter situated just above it and preventing any movement of the control lever (3) in the direction to open the valve (2), and an advanced and non obstructing position, in which the said part (8b) of the body (8) of the lighter is no longer in the described path of the pusher (13) in the direction of opening of the valve (2), making this operation possible.
- A gas lighter according to claim 1, characterised in that the pusher 13 is mounted between two lateral longitudinal ribs 3c bordering the lower face of the rear end 3b of the control lever 3 and delimiting, under the rear end of the control lever (3), a groove 3d of the same width as the pusher 13 and ensuring its guidance, the pusher (13) being interposed between the bottom of this groove (3d) and the upper end of the return spring (11) of the control lever (3) in the closing position of the valve (2), this spring (11) being maintained against the bottom of the said groove (3d).
- A Lighter according to claim 1 or 2, characterised in that the return spring (11), of the control lever (30) is helical and its upper end is engaged on a peg (17) carried by the lower face of the pusher (13) whereas its lower end is engaged on a peg (16) securely fastened to a transverse wall (8a) of the body (8) of the lighter.
- A lighter according to any one of the claims 1 to 3, characterised in that the means for momentarily keeping the pusher (13) in the advanced and non obstructing position consist of a ridge (18) and a notch (19) set provided, respectively, one at the front end of the bottom of the groove (3d) for guiding the pusher (13) and the other at the front end of the upper face of the pusher (13) and situated, with respect to one another, in such a fashion as to allow their mutual engagement when the pusher (13) is displaced from its active withdrawn position to its advanced non obstructing position, this engagement being maintained by the force of the control lever return spring (11), in the absence of any other force communicated to the control lever (3).
- A lighter according to claim 4, characterised in that the means for automatically returning the pusher (13) into the active neutralisation position, immediately after actuation of the control lever (3) in the direction (9) for opening the valve (2), consist on the one hand, of a rigid skirt 13b which borders the rear end of the lower face of the pusher (13) and intended to bear against the lower end of the spring (11) for returning the control lever, which lower end is engaged on its fixed peg 16, before the end of the angular travel of the control lever (3) in the direction (9) for opening the valve (2), which has the effect, due to the stopping of the angular travel of the pusher (13), of disengaging the ridge (18) and the notch (19) with which the bottom of the groove (3d) for guiding the pusher (13) and the upper face of the latter are provided with, from one another, and on the other hand, by two ramps (21, 22) oriented suitably so as to act as cams, and provided respectively in the bottom of the groove 3d, for guiding the pusher (13) and on the upper face of the latter, to the rear of the aforementioned ridge (18) and notch (19), and intended to come into contact with each other immediately after the disengagement of the ridge (18) and of the notch (19) so as to participate, following the pressure generated by the action of the spring (11) for returning the control lever (3), in the withdrawal movement of the pusher (13), into its active neutralisation position.
- A Lighter according to any one of claims 1 to 5, characterised in that the part of the body (8) of the lighter situated just below the rear end (13a) of the pusher (13) consists of the upper edge (8b) of the rear wall of the body (8) of the lighter.
- A lighter according to any one of claims 1 to 5, characterised in that the part of the body (8) of the lighter situated just below the rear end (13a) of the pusher (13) consists of a shoulder (8c) provided, for this purpose, in the vicinity of the upper end of the inner face of the part of the wall of the body (8) of the lighter situated below the pusher (13).
- A lighter according to any one of claims 1 to 7, characterised in that the front face of the rigid rear skirt (13b) below the pusher (13) is shaped so as to match the curved shape of the spring (11) for returning the control lever (3) when the pusher (13) occupies its advanced and non obstructing position.
- A lighter according to any one of claims 1 to 8, characterised in that one of the sliding contact faces of the pusher (13) and of the rear end (3b) of the control lever (3) has at least one projection (23) and the other at least one hollow (24), arranged in such a manner that each projection (23) is engaged in the corresponding hollow (24) in the withdrawn active position of the pusher.
- A lighter according to claim 9, characterised in that the upper sliding contact face of the pusher (13) has a longitudinal slot (2b) and the lower face of the rear end (3b) of the control lever (3) against which face the pusher (13) slides, carries a guide stud (25) constantly engaged in this slot (2b).
- A lighter according to claims 9 and 10, characterised in that the projection improving the retention of the pusher (13) in the active withdrawn position is carried by the upper sliding contact face of the pusher (13) and it consists of the two ends of a transverse rib (23) broken by the longitudinal slot (2b) of the pusher (13) whereas the hollow is provided in the lower face of the rear end of the control lever (3) and it consists of a transverse groove (24) able to house the rib (23) of the pusher (13) when the latter is in the active withdrawn neutralisation position.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9202427A FR2687766A1 (en) | 1992-02-25 | 1992-02-25 | GAS LIGHTER CHILD-PROOF. |
FR9202427 | 1992-02-25 | ||
PCT/FR1993/000172 WO1993017282A1 (en) | 1992-02-25 | 1993-02-19 | Child-proof gas lighter |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0628148A1 EP0628148A1 (en) | 1994-12-14 |
EP0628148B1 true EP0628148B1 (en) | 1996-05-15 |
Family
ID=9427213
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP93905413A Expired - Lifetime EP0628148B1 (en) | 1992-02-25 | 1993-02-19 | Child-proof gas lighter |
Country Status (26)
Country | Link |
---|---|
US (1) | US5334011A (en) |
EP (1) | EP0628148B1 (en) |
JP (1) | JP2885514B2 (en) |
KR (1) | KR100220491B1 (en) |
CN (1) | CN1037468C (en) |
AR (1) | AR248311A1 (en) |
AT (1) | ATE138178T1 (en) |
AU (1) | AU670576B2 (en) |
BG (1) | BG98995A (en) |
BR (1) | BR9305965A (en) |
CA (1) | CA2130799C (en) |
CZ (1) | CZ286779B6 (en) |
DE (1) | DE69302679T2 (en) |
DK (1) | DK0628148T3 (en) |
ES (1) | ES2087723T3 (en) |
FR (1) | FR2687766A1 (en) |
GR (1) | GR3020054T3 (en) |
HU (1) | HUT68272A (en) |
IL (1) | IL104887A (en) |
MX (1) | MX9300989A (en) |
MY (1) | MY109217A (en) |
NO (1) | NO303245B1 (en) |
RO (1) | RO114509B1 (en) |
RU (1) | RU2082063C1 (en) |
WO (1) | WO1993017282A1 (en) |
ZA (1) | ZA93901B (en) |
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US5435719A (en) * | 1988-09-02 | 1995-07-25 | Bic Corporation | Selectively actuatable lighter |
US5456598A (en) | 1988-09-02 | 1995-10-10 | Bic Corporation | Selectively actuatable lighter |
US5431558A (en) * | 1988-09-02 | 1995-07-11 | Bic Corporation | Selectively actuatable lighter |
PT725915E (en) * | 1992-10-23 | 2001-06-29 | Bic Corp | LIGHTER THAT CAN BE ACTIVATED SELECTIVELY |
US5520197A (en) | 1993-07-28 | 1996-05-28 | Bic Corporation | Lighter with guard |
US5558514A (en) * | 1994-05-27 | 1996-09-24 | Hameur Et Cie | Safety latch for a lighter |
US5451159A (en) * | 1994-07-14 | 1995-09-19 | Kim; Jin K. | Gas lighter with safety device to prevent release of gas |
US5645415A (en) * | 1995-06-14 | 1997-07-08 | Hamel; Gilles | Child-proof gas lighters and pens therewith |
FR2736420B1 (en) * | 1995-07-06 | 1997-08-14 | Cricket Sa | GAS LIGHTER HAVING A SAFETY IGNITION SYSTEM |
US5655902A (en) | 1996-03-01 | 1997-08-12 | Bic Corporation | Lighter with spark-wheel slip ring |
US5788476A (en) * | 1996-04-30 | 1998-08-04 | Polycity Industrial Ltd | Childproof piezoelectric lighter with sliding mechanism |
FR2749646B1 (en) * | 1996-06-06 | 1998-07-31 | Cricket Sa | GAS SAFETY LIGHTER FEATURING A PYROPHORIC STONE AND WHEEL IGNITION SYSTEM |
JPH11514738A (en) * | 1996-07-30 | 1999-12-14 | クリケ エス.アー | Gas lighter |
US5846069A (en) * | 1996-08-20 | 1998-12-08 | Polycity Industrial Limited | Safety lighter with wheel hood |
US6332771B1 (en) * | 1997-01-22 | 2001-12-25 | Bic Corporation | Utility lighter |
US5971751A (en) | 1997-06-05 | 1999-10-26 | Chun Ching Yeh | Safety apparatus of a piezoelectric lighter |
US6435859B1 (en) | 1998-03-11 | 2002-08-20 | Calico Brands, Inc. | Flint gas lighter with ignition resistant mechanism |
US6206689B1 (en) | 1998-10-15 | 2001-03-27 | Bic Corporation | Child resistant lighter |
US6382960B1 (en) | 1998-10-15 | 2002-05-07 | B I C Corporation | Child resistant lighter |
US6010328A (en) | 1999-03-26 | 2000-01-04 | Sung; Kil Yong | Double-trigger child-resistant utility lighter |
FR2800849B1 (en) | 1999-11-10 | 2002-04-05 | Pollyconcept S A | LIGHTER COMPRISING A SAFETY MECHANISM |
AU6176600A (en) * | 1999-11-26 | 2001-06-04 | Cricket S.A. | Child resistant lighter |
US6666678B2 (en) | 1999-12-02 | 2003-12-23 | Calico Brands, Inc. | Multi-button piezoelectric child-resistant cigarette lighter |
US6874570B2 (en) * | 2000-08-04 | 2005-04-05 | Showa Denko K.K. | Integrated heat exchanger |
US6491515B1 (en) | 2000-11-03 | 2002-12-10 | Bic Corporation | Multi-mode lighter |
US7744368B2 (en) * | 2000-11-03 | 2010-06-29 | Bic Corporation | Multi-mode lighter |
US6916171B2 (en) | 2000-11-03 | 2005-07-12 | Bic Corporation | Multi-mode lighter |
US6908302B2 (en) * | 2000-11-03 | 2005-06-21 | Bic Corporation | Multi-mode lighter |
US6726469B2 (en) * | 2000-11-03 | 2004-04-27 | Bic Corporation | Multi-mode lighter |
US6488492B2 (en) | 2000-11-03 | 2002-12-03 | Bic Corporation | Multi-mode lighter |
US6971870B2 (en) * | 2000-11-03 | 2005-12-06 | Bic Corporation | Multi-mode lighter |
US7311518B2 (en) * | 2000-11-03 | 2007-12-25 | Bic Corporation | Multi-mode lighter |
WO2003006882A1 (en) * | 2001-07-11 | 2003-01-23 | Potshishvili David Vakhtangovi | Gas piezoceramic lighter provided with a safety device |
US20070287113A1 (en) * | 2006-06-12 | 2007-12-13 | I-Hsuan Lai | Safety device for electronic ignition of lighter |
US8653942B2 (en) | 2008-08-20 | 2014-02-18 | John Gibson Enterprises, Inc. | Portable biometric lighter |
US10502419B2 (en) | 2017-09-12 | 2019-12-10 | John Gibson Enterprises, Inc. | Portable biometric lighter |
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JPH045891Y2 (en) * | 1987-03-09 | 1992-02-19 | ||
US4832596A (en) * | 1988-04-15 | 1989-05-23 | Morris Sr Glenn H | Child resistant cigarette lighter |
JPH053897Y2 (en) * | 1988-06-07 | 1993-01-29 | ||
US5002482B1 (en) * | 1988-09-02 | 2000-02-29 | Bic Corp | Selectively actuatable lighter |
FR2645626B1 (en) * | 1989-04-07 | 1994-06-03 | Swedish Match Consumer Product | GAS LIGHTER |
FR2671608A1 (en) * | 1991-01-10 | 1992-07-17 | Cricket Sa | IMPROVED CHILD-PROOF GAS LIGHTERS. |
JPH05106838A (en) * | 1991-10-17 | 1993-04-27 | Masayuki Iwabori | Safety device for lighter |
JPH05126333A (en) * | 1991-11-01 | 1993-05-21 | Masayuki Iwabori | Safety device in lighter |
-
1992
- 1992-02-25 FR FR9202427A patent/FR2687766A1/en not_active Withdrawn
-
1993
- 1993-02-09 ZA ZA93901A patent/ZA93901B/en unknown
- 1993-02-18 MY MYPI93000271A patent/MY109217A/en unknown
- 1993-02-19 DK DK93905413.6T patent/DK0628148T3/en active
- 1993-02-19 BR BR9305965A patent/BR9305965A/en not_active IP Right Cessation
- 1993-02-19 AU AU36362/93A patent/AU670576B2/en not_active Ceased
- 1993-02-19 HU HU9402316A patent/HUT68272A/en unknown
- 1993-02-19 WO PCT/FR1993/000172 patent/WO1993017282A1/en active IP Right Grant
- 1993-02-19 ES ES93905413T patent/ES2087723T3/en not_active Expired - Lifetime
- 1993-02-19 AT AT93905413T patent/ATE138178T1/en not_active IP Right Cessation
- 1993-02-19 JP JP5514590A patent/JP2885514B2/en not_active Expired - Lifetime
- 1993-02-19 CA CA002130799A patent/CA2130799C/en not_active Expired - Fee Related
- 1993-02-19 RU RU9394041759A patent/RU2082063C1/en active
- 1993-02-19 CZ CZ19941992A patent/CZ286779B6/en not_active IP Right Cessation
- 1993-02-19 EP EP93905413A patent/EP0628148B1/en not_active Expired - Lifetime
- 1993-02-19 DE DE69302679T patent/DE69302679T2/en not_active Expired - Fee Related
- 1993-02-19 RO RO94-01415A patent/RO114509B1/en unknown
- 1993-02-19 KR KR1019940703004A patent/KR100220491B1/en not_active IP Right Cessation
- 1993-02-24 AR AR93324373A patent/AR248311A1/en active
- 1993-02-24 CN CN93102541A patent/CN1037468C/en not_active Expired - Fee Related
- 1993-02-24 MX MX9300989A patent/MX9300989A/en unknown
- 1993-02-25 US US08/023,210 patent/US5334011A/en not_active Expired - Fee Related
- 1993-02-28 IL IL10488793A patent/IL104887A/en not_active IP Right Cessation
-
1994
- 1994-08-24 BG BG98995A patent/BG98995A/en unknown
- 1994-08-24 NO NO943124A patent/NO303245B1/en unknown
-
1996
- 1996-05-27 GR GR960401417T patent/GR3020054T3/en unknown
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