EP0004503B1 - Casing for electric pocket torches - Google Patents

Casing for electric pocket torches Download PDF

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Publication number
EP0004503B1
EP0004503B1 EP79400169A EP79400169A EP0004503B1 EP 0004503 B1 EP0004503 B1 EP 0004503B1 EP 79400169 A EP79400169 A EP 79400169A EP 79400169 A EP79400169 A EP 79400169A EP 0004503 B1 EP0004503 B1 EP 0004503B1
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EP
European Patent Office
Prior art keywords
battery
push button
case
cradle
orifices
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
Application number
EP79400169A
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German (de)
French (fr)
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EP0004503A2 (en
EP0004503A3 (en
Inventor
Bernard Dizière
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Individual
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Individual
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Publication date
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Publication of EP0004503A2 publication Critical patent/EP0004503A2/en
Publication of EP0004503A3 publication Critical patent/EP0004503A3/en
Application granted granted Critical
Publication of EP0004503B1 publication Critical patent/EP0004503B1/en
Expired legal-status Critical Current

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21L—LIGHTING DEVICES OR SYSTEMS THEREOF, BEING PORTABLE OR SPECIALLY ADAPTED FOR TRANSPORTATION
    • F21L2/00—Systems of electric lighting devices

Definitions

  • the present invention relates to the housings of electric pocket lamps powered by batteries.
  • US-A-1,404,077 provides a removable battery in the housing of an electric lamp.
  • the electric circuit battery-light bulb is closed or opened by actuating a push button outside the housing which allows the battery to be moved axially in order to put the battery pad in contact or out of contact with the base of the bulb.
  • this patent US-A-1,404,077 describes an electric pocket lamp housing comprising at its upper part a glass C 3 and a parabolic reflector C 2 carrying in its center a lamp C, the lower part of this housing comprising a cradle 11, 12 battery support, movable in vertical translation under the action of a push button 13, so as to bring the battery terminals into contact with the central contact pad C and the base C 'of the lamp by means of a metallic element 10, 11, 12.
  • a metallic element 10, 11, 12 is designed for cylindrical cells which have a terminal at each end.
  • the element 11, 12 for supporting the battery must also be used for the transmission of current from the rear pole of the battery to the base of the lamp, which requires a relatively complex element in four parts 10, 11, 1 1 a and 12.
  • Flashlights are also known such as those described in the patent application FR-A-2009032, which comprise a single piece intended for fixing the lighting head as well as for housing the bulb, said part being made of an electrically insulating material.
  • This patent application describes flashlights only intended for cylindrical cells and moreover comprising two metal plugs 7 and 9 and a switch device provided with a blade in contact with the pole of the cell opposite the stud of said cylindrical cell and coming into contact with one of the cards.
  • the flashlights according to the cited French patent have a complex assembly and are therefore expensive to manufacture.
  • the housing according to the invention makes it possible to avoid all the drawbacks exposed above by limiting to one the number of metal parts entering into its production, which part, possibly, can be easily replaced in the event of deterioration.
  • the present invention relates to an electric pocket lamp housing composed of an upper body and a lower plastic body assembled by clipping, the upper body comprising the glass and the parabolic reflector, itself bearing in its center a bushing holder ring, in which the lower body comprises a mobile battery support cradle in vertical translation under the action of a push button so as to bring the battery terminals into contact with the bushing and the base the lamp, characterized in that, the battery being rectangular, the battery support cradle is made of plastic, housing comprising a single metallic contact element, consisting of a blade connected to the socket, the cradle being composed of two sides inclined sides connecting a lower cross member, located under the middle part of the base of the pile, to an upper retaining plate covering a few millimeters the upper transverse edge of the stack we do not overwrite the terminals thereof, said support cradle being slidably mounted in the spacing of the side walls of the housing.
  • the housing consists of a lower body 1 and an upper body 2 which are assembled by clipping along a horizontal joint.
  • the upper body has in the upper part a hemispherical bulge in which is embedded a parabolic reflector 3 held in position by the positioning of the glass 4 in the recess formed by the edges of the hemispherical bulge, achieving by the elasticity of the material a crimping of the assembly.
  • the reflector 3 carries in its center a bore in which a forceful ring 5 made of plastic molded on a metal bush 6 is fitted by force, comprising, obtained by pushing back, threads in which the bulb 7 is screwed.
  • the socket 6 comprises a flexible metal blade 8 intended to make contact with a pole of the battery.
  • the lower body 1, of rectangular section comprises, in the upper part of one of its small faces, a groove 9 opening into the contiguous plane of the upper and lower bodies, in which the axis 10 moves in translation.
  • push button 11 controlling the alternating vertical movement of a cradle 12 supporting laterally and above and below the battery 13, so as to bring the terminals of the latter into contact or not with the metal blade 8 of the socket 6 and with the base of the bulb 7.
  • the lateral sides of the cradle are inclined to locate the lower cross member under the middle part of the stack, the upper retainer being limited to a few millimeters of overlap of the transverse edge of the stack so as not to interfere with one of the terminals thereof.
  • Immobilization of the pusher 11 in the "on” or “off” position is achieved by cutting the groove 9, which cut is made up of two intersecting circular orifices 9a and 9b, opening onto the joined plane of the upper and lower bodies by a parallel edge groove 9c.
  • the diameter of the orifices 9a and 9b on the one hand and the width of the groove 9c and of the constriction 9d created by the intersection of said orifices on the other hand correspond respectively, apart from the functional clearances, to the stepped diameters 10a and 1 Ob of axis 10 of the push button.
  • the height of these diameters to allow the translation of said push button is obtained by pressing along arrow F, causing a translation of the axis of the pusher in this direction, the comparison of the diameter 10b with the thickness of the housing being made possible by the elasticity of the wings of the push button whose curved ends are in permanent support on the external face of the case.
  • the vertical guide in translation of the push button is obtained by means of two ribs 14 laterally framing said push button.
  • the shouldered ring may comprise, executed in the material which constitutes it, the threads in which the bulb is screwed, the flexible metal blade 8 then being alone incorporated into the ring so that its end can come in contact with the socket after screwing it.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Battery Mounting, Suspending (AREA)
  • Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)

Description

La présente invention concerne les boîtiers de lampes électriques de poche alimentées par piles.The present invention relates to the housings of electric pocket lamps powered by batteries.

Il est de plus en plus connu de substituer aux boîtiers métalliques de lampes de poche des boîtiers réalisés en matière plastique afin de remédier aux inconvénients que ceux-là présentaient. En effet, d'une part un mauvais fonctionnement était généralement dû à de mauvais contacts ou une mauvaise isolation de certains éléments; d'autre part, les boîtiers métalliques étaient souvent détériorés par l'oxydation rapide engendrée par la décomposition des piles de- chargées qu'ils contenaient au bout d'un certain temps de non utilisation. Si l'emploi des matériaux plastiques a pu remédier au second inconvénient cité, les réalisations actuellement connues utilisent toujours le même type de contacts, consistant à mettre chacune des bornes de la pile en liaison permanente avec une lame métallique flexible dont l'une aboutit à l'extrémité du culot de l'ampoule et l'autre vient en appui sur la partie cylindrique de la douille par déformation élastique sous l'action d'un bouton poussoir mobile en translation, fermant ainsi le circuit électrique. Ces lames de contact sont soit incorporées dans le moule avant l'injection de la matière plastique, soit introduites après démoulage du boîtier dans des logements prévus à cet effet. L'un et l'autre de ces modes de fabrication ont l'inconvénient d'être onéreux et d'être souvent détériorés dans les zones d'implantation des lames de contact en raison de la variation d'élasticité des matériaux plastiques sous l'influence des basses températures ou du vieillissement.It is increasingly known to substitute metal housings for flashlights with housings made of plastic material in order to remedy the drawbacks which these presented. On the one hand, a malfunction was generally due to poor contacts or poor insulation of certain elements; on the other hand, the metal cases were often damaged by the rapid oxidation caused by the decomposition of the discharged batteries which they contained after a certain period of non-use. If the use of plastic materials was able to remedy the second drawback cited, the currently known embodiments always use the same type of contacts, consisting in putting each of the battery terminals in permanent connection with a flexible metal blade, one of which results in the end of the base of the bulb and the other comes to bear on the cylindrical part of the socket by elastic deformation under the action of a push button movable in translation, thus closing the electrical circuit. These contact blades are either incorporated into the mold before injection of the plastic material, or introduced after demolding the housing in housings provided for this purpose. Both of these manufacturing methods have the disadvantage of being expensive and of being often deteriorated in the areas of implantation of the contact blades due to the variation in elasticity of the plastic materials under the influence of low temperatures or aging.

Pour éviter la présence de lames de contact, le brevet US-A-1.404.077 prévoit une pile amovible dans le boîtier d'une lampe électrique. On ferme ou ouvre le circuit électrique pile-ampoule électrique en actionnant un poussoir extérieur au boîtier qui permet de déplacer axialement la pile afin de mettre le plot de la pile en contact ou hors contact avec le culot de l'ampoule. Un tel système étant conçu uniquement pour les piles cylindriques, et n'étant aucunement prévu pour être réalisé en matière plastique, ne résout pas les problèmes exposés ci-dessus. Plus particulièrement, ce brevet US-A-1.404.077 décrit un boîtier de lampe électrique de poche comportant à sa partie supérieure un verre C3 et un réflecteur parabolique C2 portant en son centre une lampe C, la partie inférieure de ce boîtier comportant un berceau 11, 12 support de pile, mobile en translation verticale sous l'action d'un bouton poussoir 13, de façon à mettre les bornes de la pile en contact avec le plot central de contact C et le culot C' de la lampe par l'intermédiaire d'un élément métallique 10, 11, 12. Cependant un tel boîtier est conçu pour des piles cylindriques qui possèdent une borne à chaque extrémité. Ceci implique notamment que l'élément 11, 12 de support de la pile doit également servir à la transmission du courant du pôle arrière de la pile au culot de la lampe, ce qui nécessite un élément relativement complexe en quatre parties 10, 11, 1 1 a et 12.To avoid the presence of contact blades, US-A-1,404,077 provides a removable battery in the housing of an electric lamp. The electric circuit battery-light bulb is closed or opened by actuating a push button outside the housing which allows the battery to be moved axially in order to put the battery pad in contact or out of contact with the base of the bulb. Such a system being designed only for cylindrical cells, and not being in any way intended to be made of plastic, does not solve the problems set out above. More particularly, this patent US-A-1,404,077 describes an electric pocket lamp housing comprising at its upper part a glass C 3 and a parabolic reflector C 2 carrying in its center a lamp C, the lower part of this housing comprising a cradle 11, 12 battery support, movable in vertical translation under the action of a push button 13, so as to bring the battery terminals into contact with the central contact pad C and the base C 'of the lamp by means of a metallic element 10, 11, 12. However, such a case is designed for cylindrical cells which have a terminal at each end. This implies in particular that the element 11, 12 for supporting the battery must also be used for the transmission of current from the rear pole of the battery to the base of the lamp, which requires a relatively complex element in four parts 10, 11, 1 1 a and 12.

On connaît aussi des lampes de poche telles que celles décrites dans la demande de brevet d'invention FR-A-2009032, qui comportent une pièce d'un seul tenant destinée à la fixation de la tête éclairante ainsi qu'au logement de l'ampoule, ladite pièce étant faite en un matériau électriquement isolant. Cette demande de brevet décrit des lampes de poche uniquement prévues pour des piles cylindriques et de plus comportant deux fiches métalliques 7 et 9 et un dispositif interrupteur muni d'une lame en contact avec le pôle de la pile opposé au plot de ladite pile cylindrique et venant en contact avec l'une des fiches.Flashlights are also known such as those described in the patent application FR-A-2009032, which comprise a single piece intended for fixing the lighting head as well as for housing the bulb, said part being made of an electrically insulating material. This patent application describes flashlights only intended for cylindrical cells and moreover comprising two metal plugs 7 and 9 and a switch device provided with a blade in contact with the pole of the cell opposite the stud of said cylindrical cell and coming into contact with one of the cards.

Les lampes de poche selon le brevet français cité ont un montage complexe et sont donc onéreuses à fabriquer.The flashlights according to the cited French patent have a complex assembly and are therefore expensive to manufacture.

Le boîtier suivant l'invention permet d'éviter tous les inconvénients exposés ci-dessus en limitant à une le nombre de pièces métalliques entrant dans sa réalisation, laquelle pièce, éventuellement, peut être facilement remplacée en cas de détérioration.The housing according to the invention makes it possible to avoid all the drawbacks exposed above by limiting to one the number of metal parts entering into its production, which part, possibly, can be easily replaced in the event of deterioration.

La présente invention a pour objet un boîtier de lampe électrique de poche composé d'un corps supérieur et d'un corps inférieur en matière plastique s'assemblant par clipsage, le corps supérieur comportant le verre et le réflecteur parabolique, lui-même portant en son centre une bague porte-douille, dans lequel le corps inférieur comporte un berceau support de pile mobile en translation verticale sous l'action d'un bouton poussoir de façon à mettre les bornes de la pile en contact avec la douille et le culot de la lampe, caractérisé en ce que, la pile étant rectangulaire, le berceau support de pile est réalisé en matière plastique, boîtier comportant un seul élément métallique de contact, constitué d'une lame reliée à la douille, le berceau étant composé de deux flancs latéraux inclinés reliant une traverse inférieure, se plaçant sous la partie milieu de la base de la pile, à un plat de retenue supérieur recouvrant de quelques millimètres le bord supérieur transversal de la pile de façon à ne pas écraser les bornes de celle-ci, ledit berceau support étant monté coulissant dans l'écartement des parois latérales du boîtier.The present invention relates to an electric pocket lamp housing composed of an upper body and a lower plastic body assembled by clipping, the upper body comprising the glass and the parabolic reflector, itself bearing in its center a bushing holder ring, in which the lower body comprises a mobile battery support cradle in vertical translation under the action of a push button so as to bring the battery terminals into contact with the bushing and the base the lamp, characterized in that, the battery being rectangular, the battery support cradle is made of plastic, housing comprising a single metallic contact element, consisting of a blade connected to the socket, the cradle being composed of two sides inclined sides connecting a lower cross member, located under the middle part of the base of the pile, to an upper retaining plate covering a few millimeters the upper transverse edge of the stack we do not overwrite the terminals thereof, said support cradle being slidably mounted in the spacing of the side walls of the housing.

Les dessins annexés illustrent, à titre d'exemple, un mode de réalisation préférentiel du boîtier conforme à la présente invention.The accompanying drawings illustrate, by way of example, a preferred embodiment of the housing according to the present invention.

Ceux-ci représentent:

  • Fig. 1, une vue en élévation coupe suivant AA du boîtier;
  • Fig. 2, une coupe transversale suivant BB;
  • Fig. 3, une vue en bout côté poussoir;
  • Fig. 4, une vue en bout côté poussoir, ce dernier étant supposé enlevé.
These represent:
  • Fig. 1, a sectional elevation view along AA of the housing;
  • Fig. 2, a cross section along BB;
  • Fig. 3, an end view on the push side;
  • Fig. 4, an end view on the pusher side, the latter being assumed to be removed.

Tel qu'il est représenté, le boîtier est constitué d'un corps inférieur 1 et d'un corps supérieur 2 s'assemblant par clipsage selon un joint horizontal. Le corps supérieur comporte en partie haute un renflement hémisphérique dans lequel s'encastre un réflecteur parabolique 3 maintenu en position par la mise en place du verre 4 dans l'embrèvement que forment les bords du renflement hémisphérique, réalisant par l'élasticité du matériau un sertissage de l'assemblage. Le réflecteur 3 porte en son centre un alésage dans lequel s'ajuste à force une bague épaulée 5 réalisée en matière plastique moulée sur une douille métallique 6 comportant, obtenus par repoussage, des filets dans lesquels se visse l'ampoule 7. La base de la douille 6 comporte une lame métallique flexible 8 destinée à réaliser le contact avec un pôle de la pile.As shown, the housing consists of a lower body 1 and an upper body 2 which are assembled by clipping along a horizontal joint. The upper body has in the upper part a hemispherical bulge in which is embedded a parabolic reflector 3 held in position by the positioning of the glass 4 in the recess formed by the edges of the hemispherical bulge, achieving by the elasticity of the material a crimping of the assembly. The reflector 3 carries in its center a bore in which a forceful ring 5 made of plastic molded on a metal bush 6 is fitted by force, comprising, obtained by pushing back, threads in which the bulb 7 is screwed. the socket 6 comprises a flexible metal blade 8 intended to make contact with a pole of the battery.

Le corps inférieur 1, de section rectangulaire, comporte, en partie haute de l'une de ses petites faces, une rainure 9 débouchant dans le plan jointif des corps supérieur et inférieur, dans laquelle se déplace en translation l'axe 10 d'un bouton poussoir 11 commandant le déplacement vertical alterné d'un berceau 12 soutenant latéralement et par dessus et en dessous la pile 13, de façon à mettre ou non en contact les bornes de celle-ci avec la lame métallique 8 de la douille 6 et avec le culot de l'ampoule 7. Les flancs latéraux du berceau sont inclinés pour situer la traverse inférieure sous la partie milieu de la pile, al retenue supérieure se limitant à quelques millimètres de recouvrement du bord transversal de la pile de façon à ne pas interférer avec l'une des bornes de celle-ci. L'immobilisation du poussoir 11 en position "allumée" ou "éteinte" est réalisée par la découpe de la rainure 9, laquelle découpe est composée de deux orifices circulaires sécants 9a et 9b, débouchant sur le plan jointif des corps supérieur et inférieur par une rainure à bords parallèles 9c. Le diamètre des orifices 9a et 9b d'une part et la largeur de la rainure 9c et de l'étranglement 9d créé par l'intersection desdits orifices d'autre part correspondent respectivement, aux jeux fonctionnels près, aux diamètres étagés 10a et 1 Ob de l'axe 10 du bouton poussoir. L'altemance de ces diamètres pour permettre la translation dudit bouton poussoir est obtenue par pression selon la flèche F, provoquant une translation de l'axe du poussoir dans cette direction, la mise en regard du diamètre 10b avec l'épaisseur du boîtier étant rendue possible par l'élasticité des ailes du bouton poussoir dont les extrémités recourbées sont en appui permanent sur la face externe du boîtier. Le guidage vertical en translation du bouton poussoir est obtenu au moyen de deux nervures 14 encadrant latéralement ledit bouton poussoir.The lower body 1, of rectangular section, comprises, in the upper part of one of its small faces, a groove 9 opening into the contiguous plane of the upper and lower bodies, in which the axis 10 moves in translation. push button 11 controlling the alternating vertical movement of a cradle 12 supporting laterally and above and below the battery 13, so as to bring the terminals of the latter into contact or not with the metal blade 8 of the socket 6 and with the base of the bulb 7. The lateral sides of the cradle are inclined to locate the lower cross member under the middle part of the stack, the upper retainer being limited to a few millimeters of overlap of the transverse edge of the stack so as not to interfere with one of the terminals thereof. Immobilization of the pusher 11 in the "on" or "off" position is achieved by cutting the groove 9, which cut is made up of two intersecting circular orifices 9a and 9b, opening onto the joined plane of the upper and lower bodies by a parallel edge groove 9c. The diameter of the orifices 9a and 9b on the one hand and the width of the groove 9c and of the constriction 9d created by the intersection of said orifices on the other hand correspond respectively, apart from the functional clearances, to the stepped diameters 10a and 1 Ob of axis 10 of the push button. The height of these diameters to allow the translation of said push button is obtained by pressing along arrow F, causing a translation of the axis of the pusher in this direction, the comparison of the diameter 10b with the thickness of the housing being made possible by the elasticity of the wings of the push button whose curved ends are in permanent support on the external face of the case. The vertical guide in translation of the push button is obtained by means of two ribs 14 laterally framing said push button.

l'invention ne se limite aucunement au mode de réalisation spécialement décrit, mais elle embrasse au contraire toutes les variantes possibles à condition que celles-ci ne soient pas en contradiction avec l'objet de chacune des revendications annexées à la présente description.the invention is in no way limited to the embodiment specially described, but on the contrary embraces all possible variants provided that these are not in contradiction with the subject of each of the claims appended to this description.

C'est ainsi que la bague épaulée peut comporter, exécutés dans le matériau qui la constitue, les filets dans lesquels se visse l'ampoule, la lame métallique flexible 8 étant alors seule incorporée à la bague de façon telle que son extrémité puisse venir en contact avec la douille après vissage de celle-ci.Thus, the shouldered ring may comprise, executed in the material which constitutes it, the threads in which the bulb is screwed, the flexible metal blade 8 then being alone incorporated into the ring so that its end can come in contact with the socket after screwing it.

Claims (4)

1. Pocket electric torch case composed of an upper body (2) and a lower body (1) of plastics material assembled together by clipping, the upper body (2) comprising the lens (4) and the parabolic reflector (3) itself carrying at its centre a socket holder ring (5, 6), in which the lower body (1) comprises a support cradle (12) for a battery (13) movable in vertical translation under the action of a push button (11) so as to put the terminals of the battery (13) into contact with the socket (6) and the base of the lamp (7), characterized in that, the battery being rectangular, the support cradle (12) for the battery (13) is constructed of plastics material, the case comprising a single metal contact element constituted by a blade (8) connected to the socket (6), the cradle (12) being composed of two inclined lateral sides connecting a lower cross-piece placed under the middle part of the base of the battery (13) to an upper retaining flat covering the transverse upper edge of the battery (13) by a few millimetres so as not to crush the terminals thereof, the said support cradle (12) being slidably mounted in the gap between the lateral walls of the case.
2. Case according to claim 1, characterized in that the support cradle (12) is movable in vertical translation under the action of a push button (11) whose shouldered pin (10) arranged in the upper part of the cradle (12) is lodged in a vertical groove (9) formed in the top part of one of the small transverse faces of the lower body (1) of the case and opening onto the horizontal junction plane of the upper and lower bodies (1,2).
3. Case according to claim 2, characterized in that the cutout of the groove (9) permitting the translation of the cradle (12) under the action of the push button (11) is composed of two circular secant orifices (9a, 9b) corresponding to two positions "lit" or "out" and of a groove (9c) with parallel sides opening onto the junction plane of the upper and lower bodies (1, 2), the diameter of the circular orifices (9a, 9b) on the one hand and the width of the groove (9c) with parallel sides and the constriction (9d) defined by the intersection of the said orifices (9a, 9b) on the other hand respectively corresponding, within operating tolerances, to the stepped diameters (10a, 10b) of the pin (10) of the push button (11).
4. Case according to claim 3, characterized in that the push button (11) is constituted by two wings (14) whose curved ends bear permanently against the external face of the case, the elasticity of the said wings (14) permitting, under finger pressure, a translation of the pin (10) of the horizontal push button (11) so as to put opposite the thickness of the case the smaller of the stepped diameters (10a, 10b) which by vertical translation through the constriction (9d) determined by the intersection of the two circular orifices (9a, 9b) permits access of the larger of the stepped diameters (10a, 10b) to one or the other of the circular orifices (9a, 9b).
EP79400169A 1978-03-29 1979-03-15 Casing for electric pocket torches Expired EP0004503B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR7810686A FR2421335A1 (en) 1978-03-29 1978-03-29 NEW BOX FOR ELECTRIC FLASHLIGHT
FR7810686 1978-03-29

Publications (3)

Publication Number Publication Date
EP0004503A2 EP0004503A2 (en) 1979-10-03
EP0004503A3 EP0004503A3 (en) 1979-10-31
EP0004503B1 true EP0004503B1 (en) 1981-11-25

Family

ID=9206968

Family Applications (1)

Application Number Title Priority Date Filing Date
EP79400169A Expired EP0004503B1 (en) 1978-03-29 1979-03-15 Casing for electric pocket torches

Country Status (4)

Country Link
US (1) US4241384A (en)
EP (1) EP0004503B1 (en)
DE (1) DE2961398D1 (en)
FR (1) FR2421335A1 (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4972301A (en) * 1989-01-18 1990-11-20 Kasboske George C Vehicle lamp with universal mounting capability
US6434338B1 (en) 2000-04-24 2002-08-13 Eastman Kodak Company Camera with dual-function battery/manual operating button unit
DE10311521B4 (en) * 2003-03-17 2010-11-11 Robert Bosch Gmbh Sensor element, in particular oil level sensor element, and fluid sensor so
US20120314403A1 (en) * 2011-06-08 2012-12-13 Xenonics Holdings, Inc. Long range multi-function illumination device and method of use
DK201100777A (en) * 2011-10-07 2013-04-08 Beck Lars Cykellygte
EP3090201B1 (en) 2013-12-12 2017-10-04 The Coleman Company, Inc. Battery life extender for portable lighting

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1404077A (en) * 1921-01-18 1922-01-17 Vince Joseph Flash light
US2599254A (en) * 1948-08-26 1952-06-03 Gits Molding Corp Angular head flashlight casing, including a readily attachable reflector contact means
NL6906921A (en) * 1968-05-21 1969-11-25

Also Published As

Publication number Publication date
FR2421335A1 (en) 1979-10-26
DE2961398D1 (en) 1982-01-28
EP0004503A2 (en) 1979-10-03
EP0004503A3 (en) 1979-10-31
FR2421335B1 (en) 1980-10-31
US4241384A (en) 1980-12-23

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