EP0374246B1 - Sicherheitsfeuerzeug - Google Patents

Sicherheitsfeuerzeug Download PDF

Info

Publication number
EP0374246B1
EP0374246B1 EP89908222A EP89908222A EP0374246B1 EP 0374246 B1 EP0374246 B1 EP 0374246B1 EP 89908222 A EP89908222 A EP 89908222A EP 89908222 A EP89908222 A EP 89908222A EP 0374246 B1 EP0374246 B1 EP 0374246B1
Authority
EP
European Patent Office
Prior art keywords
lighter
catch
pushbutton
notch
pusher
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
Application number
EP89908222A
Other languages
English (en)
French (fr)
Other versions
EP0374246A1 (de
Inventor
Henri Ansquer
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hameur et Cie
Original Assignee
Hameur et Cie
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from FR8808912A external-priority patent/FR2633702B1/fr
Priority claimed from FR8809387A external-priority patent/FR2634004A1/fr
Application filed by Hameur et Cie filed Critical Hameur et Cie
Priority to AT89908222T priority Critical patent/ATE86029T1/de
Publication of EP0374246A1 publication Critical patent/EP0374246A1/de
Application granted granted Critical
Publication of EP0374246B1 publication Critical patent/EP0374246B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • F23Q2/16—Lighters with gaseous fuel, e.g. the gas being stored in liquid phase
    • F23Q2/164—Arrangements for preventing undesired ignition
    • 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

Definitions

  • the present invention relates to a safety lighter, with operational safety, which can only be lit after an arming operation.
  • the gas lighters currently manufactured generally include a reserve of liquefied gas, a regulator, a burner and an ignition assembly with stone and knurl.
  • the burner is movable in translation and its movement allows or not the passage of the expanded gas. It is known to control the movements of the burner using a tilting pusher, on which the user's thumb comes, after having turned the ignition wheel (which is in contact with the stone in the case traditional ignition). The tilting movement of the pusher lifts the burner head, which allows the expanded gas to rise towards the sparks.
  • piezoelectric ignition it is the pressure exerted on the pusher, which in this case is sliding, which generates the sparks and allows the passage of gas.
  • the object of the present invention is to overcome this drawback by making the lighting of a lighter more difficult, so that it can only result from a determined and voluntary operation, and in particular that a child cannot not cause it.
  • it aims to increase the operational safety of lighters and also relates to a lighter filler.
  • a spring is generally provided below the pusher, spring which returns the burner to its rest position corresponding to the gas passage stopping, the passage channel thereof being closed by a seal.
  • the spring must be strong enough to properly apply the seal against its seat through the tappet and the burner. However, for safety reasons, it appeared that the spring should be more powerful than necessary to ensure the seal, in order to avoid any accidental ignition by an unwanted bearing on the pusher, for example at inside a pocket.
  • a second object of the present invention is to overcome this drawback and to allow the use of a powerful pusher spring, without damaging the seal of the burner.
  • DE-U-88 02582 discloses a lighter, the pusher of which can be blocked for security purposes.
  • the blocking is obtained by mounting under the pusher, a disc having a central notch and the periphery of which comprises a maneuvering notch.
  • the pusher is provided with a central rod perpendicular to its lower surface which, in a determined position of the notch can pass through the central notch allowing the lowering of the pusher and the release of the gas. In the other positions, the rod abuts against the disc, which prohibits its lowering.
  • the safety lighter comprising a body of which a cavity forms the tank of liquefied gas, a burner movable under the action of a pusher whose front end is in mechanical connection with the burner head and whose l rear end has a bearing surface and a lateral surface which can be inserted into the body, the pusher being armed by a spring, and means for blocking the movement of the pusher controlled by a notch movable between a first safety position and a second operating position
  • said means consist of a movable safety catch in a notch in the body of the lighter, the notch being arranged, in the operating position, facing a light formed in the side wall of the pusher , the notch being integral with elastic return means in the safety position, means blocking the elastic return means in the operating position and et ant released by a cam by the movement of the pusher.
  • the notch moves, preferably in a plane perpendicular to the longitudinal median plane of the lighter.
  • the notch is secured to automatic return means in the safety position.
  • These means may consist, for example, of a spring which is banded when the user brings the notch into the operating position. But, in order to allow it to light the lighter with one hand, the front end of the spring can be hung on a hook, a cam secured to the pusher allowing disengage the spring from the hook, the spring being kept taut when the push button is pressed.
  • the liquefied gas lighter is characterized in that the front part of the pusher comprises a flexible zone and a rigid zone, a stroke limitation stop protruding downward from the zone rigid.
  • the contact between the front part of the tappet and the burner head is always effected by means of the flexible zone which in a way plays a damping role in the transmission of the force released by the tappet spring.
  • the pressure on the seal is made independent of the force of the pusher spring, the part or rigid zone of the front part of the pusher being stopped by the stop. It is therefore possible to mount a powerful spring on the lighter that meets safety conditions, without damaging the seal.
  • the spring can have, for example, a force of 15 to 20 newtons, the pressure on the seal being reduced to 2 or 3 newtons.
  • FIG. 1 We distinguish in Figure 1, the known components used in the manufacture of a lighter and, in particular, the upper end of the body 1 of the lighter, the burner 3 and the knob 4 for adjusting the height of the flame, partially included in the protective cover 2.
  • the pusher 7 is articulated on the body 1 and cooperates with the head of the burner 3. It is armed by a spring 8, working in compression, disposed between the body 1 and the internal surface of the pusher.
  • the rear side wall 9 of the pusher comprises a slot or notch 10.
  • this slot penetrates (in FIGS. 1, 2 and 2a which represent the lighter in the operating position), a tab or notch 11 secured to 'a crown 12 extending downward by a hub 13 rotating in a cavity 14 of the body 1 of the lighter which, moreover, serves as a housing at one end of the spring 8.
  • the notch 11 can rotate freely by an angle of about 60 ° in a lateral opening 25 of the side wall of the lighter body, while blocking the movement of the latter, except in the position corresponding to the light 10.
  • Figures 2, 2a, and 3, 3a show a part of the lighter in top view and in rear view, in this first embodiment.
  • the notch 11 can move me between two parts forming stops of the body 1, respectively referenced 21 and 22 limiting the travel of the notch 11.
  • the notch 11 has ridges 27 allowing it to be maneuvered to bring it into the required position.
  • the automatic return means in the safety position are constituted by a spiral spring 18 having a central crown 15.
  • the spring 18 is locked in rotation counterclockwise by a stud 16 or any other way.
  • the tab or notch 11 is secured to the spring 18 and guided as previously in the slot or cutout 25 cleared between the body 1 and the pusher 7. It is possible to provide on the pusher a slight ramp which facilitates the engagement of the notch 11 under the pusher when the notch returns to the locking position, completing the action of the pusher spring 8 and of the spring 18.
  • the front part 17 of the spring 18 has a notch 20, while in the vicinity of the edge 21 of the body is formed a hook 19.
  • the notch 20 snaps onto the hook 19.
  • the lighter can then operate, the tab 11 being in a suitable position, that is to say facing the light 10.
  • the body 1 of the lighter has, from left to right, a passage for mounting the burner 3 and mounting the adjustment stop 4 of the height of the flame, a yoke 5 receiving, in addition to the ignition wheel (not shown), an axis 6 for tilting the pusher 7.
  • the pusher 7 is armed by the spring 8 working in compression, the spring 8 being trapped on the one hand, in a cavity 7a formed in the pusher 7, and around a guide pin 26 formed in the body 1.
  • a pressure on the upper part of the pusher 7 causes the pusher to pivot about its axis 6 and the lifting of the front part 27 of the pusher.
  • This part 27 drives the head of the burner 3, and consequently, the whole burner towards the top of FIG. 6, which releases the seal 28 integral with the lower part 29 of the burner in its seat 30 and the passage of gas.
  • the front part 27 of the pusher 7 is made up of two zones, respectively 31 and 32 which will be described hereinafter as flexible zone 31 and rigid zone 32.
  • this composite structure results, in the example shown, from the cut in part 27 (or from the formation by molding) of a recess 33.
  • the rigidity of the zone 31 no longer depends only on the mechanical strength of the line 37 separating the two zones 31 and 32.
  • a stop 38 for limiting the travel of the front part 27 of the pusher 7.
  • this stop bears on the body 1 of the lighter. In the example shown, it rests on an extension 39 of the adjustment wheel 4.
  • the flexible part 31 has a heel 41 whose function will appear in the following.
  • the operation of the lighter provided with a pusher according to the invention is as follows: After action on the ignition wheel, pressure is exerted on the pusher 7, which causes the pivoting of the whole of the pusher and the raising of the front part 27.
  • the part 31 of the pusher comes into contact with the lower crown 40 of the burner head 3 and raises the latter, which has the effect of disengaging the burner seal from its seat 30, and allowing the passage of the igniting gas. It has been observed that, despite the elasticity of the flexible zone 31, the latter can lift the burner head without difficulty. But, in the opposite case, that is to say in the event of crushing of the part 31, the rigid zone would immediately take over to apply the necessary force.
  • the pressure on the pusher is released.
  • the pusher pivots in the sinistrorsum direction around the axis 6, and the part 27 descends to its rest position including the closing of the passage of gas by the burner gasket 28.
  • the burner is driven by the heel 41 of the part 31 which projects from below the lower surface of the rigid part 32. This drive continues until the burner seal is applied with sufficient pressure against his seat.
  • the stop 38 then comes into contact with the part 39 and the movement of the rigid part 32 is blocked. Only the pressure on the heel 41 acts on the burner, that is to say the pressure resulting from the elasticity of the line 37, which, as indicated above, is of limited value.
  • the lower surface of the flexible zone 31 is at a level lower than that of the lower surface of the rigid zone 32. If the flexibility of the zone 31 is sufficient, the stop can be omitted 38 stroke stop of the rigid zone 32. In all cases, it is the deformation of the flexible zone which transmits the desired pressure on the seal.
  • the flexible zone may be a circular central area projecting below the peripheral area. It is necessary to leave a little play between the parts in order to move them without friction. As a result, pressing the pusher can allow the gas to escape.

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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)

Claims (10)

  1. Sicherheits-Feuerzeug mit einem Körper (1), der einen den Behälter für Flüssiggas bildenden Hohlraum aufweist, und mit einem Brenner (3), der unter der Einwirkung eines Schiebers (7) beweglich ist, dessen vorderes Ende mit dem Kopf des Brenners (3) in mechanischer Verbindung steht und dessen hinteres Ende eine Stützfläche sowie eine seitliche Fläche (9) aufweist, die in den Körper (1) hineingleiten kann, wobei der Schieber (7) mit einer Feder (8) und Hilfsmitteln zum Blockieren der Bewegung des Schiebers versehen ist, die durch einen Raster betätigbar sind, der zwischen einer ersten Position - als Sicherheitspositionund einer zweiten Position - als Betriebspositionverschiebbar ist,
    dadurch gekennzeichnet,
    daß die Hilfsmittel einen innerhalb einer Ausnehmung (25) im Körper (1) des Feuerzeugs beweglich angeordneten Sicherheitsraster (11) umfassen, der sich in der Betriebsposition gegenüber einer Öffnung (10) in der seitlichen Wand (9) des Schiebers (7) befindet und fest mit Hilfsmitteln (18) für eine elastische Rückführung in die Sicherheitsposition verbunden ist, und daß andere Hilfsmittel (19, 20) die Hilfsmittel (18) in der Betriebsposition blockieren sowie durch einen Nocken (23) über die Bewegung des Schiebers (7) freigegeben werden.
  2. Feuerzeug nach Anspruch 1, dadurch gekennzeichnet, daß der Raster (11) im Inneren der Ausnehmung (25) zwischen zwei senkrechten Kanten (21, 22) geführt wird, die als Anschläge dienen und jeweils der Betriebsund der Sicherheitsstellung entsprechen.
  3. Feuerzeug nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß der Raster (11) fest mit einem Kranz (12) verbunden ist, der die Feder (8) des Schiebers (7) umgibt.
  4. Feuerzeug nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, daß der Raster (11) fest mit einem elastischen Bauteil (18) verbunden ist, das sich um die Feder (8) des Schiebers (7) herumerstreckt, wobei das vordere Ende (17) dieses Bauteils (18) durch die Bewegung des Rasters (11) bis zur Betriebsstellung sich mit Hilfe einer Ausnehmung (20) auf einem Haken (19) einhakt, der im Körper (1) des Feuerzeugs vorgesehen ist.
  5. Feuerzeug nach Anspruch 4, dadurch gekennzeichnet, daß der Schieber (7) eine mit dem Nocken (23) zusammenwirkende geneigte Fläche (24) aufweist, die oberhalb des Rasters (11) angeordnet ist, um die Ausnehmung (20) des Hakens (19) sowie das elastische Bauteil (18) freizugeben.
  6. Feuerzeug nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, daß der Körper in Bezug auf seine mittlere Ebene symmetrisch ausgebildet ist, wobei die Kanten der Ausnehmung (10) parallel zu besagter Ebene verlaufen und zu beiden Seiten dieser Ebene liegen.
  7. Feuerzeug nach einem der Ansprüche 1 bis 6, dadurch gekennzeichnet, daß der vordere Teil des Schiebers (7) eine biegsame Zone (31) und eine starre Zone (32) umfaßt, wobei die biegsame Zone (31) über einen Ansatz (41) verfügt, dessen untere Fläche sich in einer Ebene befindet, die unterhalb der Ebene der unteren Fläche der Zone (32) liegt.
  8. Feuerzeug nach Anspruch 7, dadurch gekennzeichnet, daß ein Anschlag (38) zur Begrenzung des Verfahrweges in Bezug auf einen Teil der unteren Fläche der starren Zone (32) vorgesehen ist.
  9. Feuerzeug nach Anspruch 7 oder 8, dadurch gekennzeichnet, daß die beiden Zonen (31, 32) jeweils aus dem gleichen Material bestehen und daß die flexible Zone (31) von der starren Zone (32) durch eine Ausnehmung (33) abgetrennt ist, wobei die Verbindung zwischen den Zonen (31, 32) entsprechend einer Linie (37) erfolgt.
  10. Feuerzeug nach einem der Ansprüche 7 bis 9, dadurch gekennzeichnet, daß das Feuerzeug über ein Rändelrad (4) zur Regulierung des Gasaustritts verfügt und daß der Anschlag (38) in Ruhestellung an einer Verlängerung (39) des Rändelrades (4) anliegt.
EP89908222A 1988-07-01 1989-06-29 Sicherheitsfeuerzeug Expired - Lifetime EP0374246B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT89908222T ATE86029T1 (de) 1988-07-01 1989-06-29 Sicherheitsfeuerzeug.

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
FR8808912A FR2633702B1 (fr) 1988-07-01 1988-07-01 Briquet de securite
FR8808912 1988-07-07
FR8809387A FR2634004A1 (fr) 1988-07-11 1988-07-11 Poussoir de briquet
FR8809387 1988-07-11

Publications (2)

Publication Number Publication Date
EP0374246A1 EP0374246A1 (de) 1990-06-27
EP0374246B1 true EP0374246B1 (de) 1993-02-24

Family

ID=26226769

Family Applications (1)

Application Number Title Priority Date Filing Date
EP89908222A Expired - Lifetime EP0374246B1 (de) 1988-07-01 1989-06-29 Sicherheitsfeuerzeug

Country Status (4)

Country Link
US (2) US5224854A (de)
EP (1) EP0374246B1 (de)
JP (1) JPH03501647A (de)
WO (1) WO1990000239A1 (de)

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IT1169956B (it) * 1983-11-11 1987-06-03 Buzzi Enrico Accendigas per uso domestico a doppia utilizzazione
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US4830603A (en) * 1988-03-04 1989-05-16 Salvatore Cirami Child-resistant disposable lighter
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US4832596A (en) * 1988-04-15 1989-05-23 Morris Sr Glenn H Child resistant cigarette lighter
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US4799877A (en) * 1988-06-13 1989-01-24 Bisbee Jerry L Child-proof adaptor for disposable butane cigarette lighter
US4822276A (en) * 1988-06-13 1989-04-18 Bisbee Jerry L Child-proof cigarette lighter
US4921420A (en) * 1988-07-05 1990-05-01 Johnston James A Child resistant disposable lighter
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US4869663A (en) * 1988-09-22 1989-09-26 Fremund Zdenek A Child proof cigarette lighter

Also Published As

Publication number Publication date
JPH03501647A (ja) 1991-04-11
US5378143A (en) 1995-01-03
EP0374246A1 (de) 1990-06-27
WO1990000239A1 (fr) 1990-01-11
US5224854A (en) 1993-07-06

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