EP2413016A1 - Torch with a contact spring - Google Patents

Torch with a contact spring Download PDF

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Publication number
EP2413016A1
EP2413016A1 EP20100175175 EP10175175A EP2413016A1 EP 2413016 A1 EP2413016 A1 EP 2413016A1 EP 20100175175 EP20100175175 EP 20100175175 EP 10175175 A EP10175175 A EP 10175175A EP 2413016 A1 EP2413016 A1 EP 2413016A1
Authority
EP
European Patent Office
Prior art keywords
contact
spring
end cap
battery
battery housing
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.)
Granted
Application number
EP20100175175
Other languages
German (de)
French (fr)
Other versions
EP2413016B1 (en
Inventor
Rainer Opolka
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.)
Zweibrueder Optoelectronics GmbH
Original Assignee
Zweibrueder Optoelectronics GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Zweibrueder Optoelectronics GmbH filed Critical Zweibrueder Optoelectronics GmbH
Priority to PL10175175T priority Critical patent/PL2413016T3/en
Priority to US13/695,244 priority patent/US20130120978A1/en
Priority to AU2011276814A priority patent/AU2011276814A1/en
Priority to CN201180028421XA priority patent/CN103052837A/en
Priority to PCT/DE2011/001023 priority patent/WO2012003818A2/en
Priority to JP2013517005A priority patent/JP5743354B2/en
Publication of EP2413016A1 publication Critical patent/EP2413016A1/en
Application granted granted Critical
Publication of EP2413016B1 publication Critical patent/EP2413016B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21L—LIGHTING DEVICES OR SYSTEMS THEREOF, BEING PORTABLE OR SPECIALLY ADAPTED FOR TRANSPORTATION
    • F21L4/00—Electric lighting devices with self-contained electric batteries or cells
    • F21L4/005—Electric lighting devices with self-contained electric batteries or cells the device being a pocket lamp
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21L—LIGHTING DEVICES OR SYSTEMS THEREOF, BEING PORTABLE OR SPECIALLY ADAPTED FOR TRANSPORTATION
    • F21L4/00—Electric lighting devices with self-contained electric batteries or cells
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V15/00—Protecting lighting devices from damage
    • F21V15/01—Housings, e.g. material or assembling of housing parts
    • F21V15/015—Devices for covering joints between adjacent lighting devices; End coverings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V23/00—Arrangement of electric circuit elements in or on lighting devices
    • F21V23/04—Arrangement of electric circuit elements in or on lighting devices the elements being switches
    • F21V23/0414—Arrangement of electric circuit elements in or on lighting devices the elements being switches specially adapted to be used with portable lighting devices
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
    • F21Y2115/00—Light-generating elements of semiconductor light sources
    • F21Y2115/10—Light-emitting diodes [LED]

Definitions

  • the present invention relates to a flashlight with a cylindrical battery housing at one end of a current-conducting contact surface is formed, an end cap and a contact spring with contact points, which connects a pole of a battery housing mounted in the battery housing with the contact surface of the battery case.
  • Such a flashlight is for example in the DE 20 2007 009 202.4 described.
  • This has an end cap, in which a compression spring is arranged, which has a single spring wire with partially different winding diameter, wherein at least partially a plurality of windings is arranged radially adjacent to each other.
  • a compression spring having two coaxially mounted portions, which are each formed as coil springs. The partially radially adjacent end pieces of the contact springs form the contact points, wherein a contact point with the pole of a battery and the other contact point are connected to a contact surface of the battery case.
  • the contact points are arranged at opposite ends of the contact spring.
  • a flashlight which has a contact spring in its end cap, which has contact points at two opposite ends, which can be connected on the one hand to the pole of a battery and on the other hand to the contact surfaces of the battery case.
  • the contact spring is designed as a helical spring or as a leaf spring, wherein other contact springs are conceivable.
  • the end cap has an external thread and the battery housing has a corresponding internal thread and that the contact spring end has at least one radial portion which engages in a recess of the end cap such that the portion in the assembled state with the contact surface of the Battery housing is connected.
  • the portion of the recess must protrude by a certain amount, so that the protruding portion can be pressed onto the contact surfaces of the battery case.
  • the contact surface may be arranged annularly or partially annularly on the end face of the battery housing.
  • the contact surface may be formed as a ring or semi-annular base within the battery case.
  • the recess is disposed between the threads of the end cap and a termination piece. At this point, the recess can be particularly easily introduced through a hole in the end cap.
  • the end cap has an internal thread and the battery housing has a corresponding external thread and that the contact spring has at least in a partial region such a large radius that this portion is connected in the installed state with the contact surface of the battery case
  • the contact spring is preferably a helical spring, which is preferably frusto-conical.
  • the frustoconical helical spring preferably has a partial region on the end with such a large radius that this partial region is connected in the installed state to the contact surface of the battery housing.
  • the tip end of the contact spring is connected to the battery and the extended end to the end cap or the contact surface, so that a circular line contact is formed.
  • This embodiment is particularly well designed as a switch, since the contact closure due to a line contact between the contact spring and battery case can be made by turning the end cap. It is further provided that the end cap can be screwed onto the battery case so far that the contact is just not closed so that a contact can be closed by utilizing the thread play, so this embodiment can also be designed as a push button.
  • the contact spring has a radial portion which is connected in one or two pieces with a clip, wherein the contact is made by rotating the end cap. Furthermore, according to a further embodiment, there is a gap between the partial area and the contact area in the installed state, so that the contact is closed by a pivoting movement of the clip.
  • the clip is arranged longitudinally axially on the battery housing.
  • This flashlight can be adjusted by turning the end cap so that the flashlight is closed by a slight pressing or pivoting of the clip a contact and the contact is interrupted by opposing pulling again. This even makes it possible to adjust the flashlight so that the contact is broken when the flashlight hangs on the clip in a pocket, such as a breast pocket, and the circuit is closed as soon as the flashlight is removed from the pocket.
  • FIG. 1 A and B is an exploded view of a flashlight 1 with a lamp head 2, a battery case 3, 4 batteries, an end cap 5 and designed as a helical spring contact spring 6 is shown.
  • the circuit is usually closed via the battery housing 3, to which this at least partially consists of a conductive material.
  • a conductive material preferably aluminum, which is used to cure the surface with Anodization can be treated.
  • the treated surface must be ground down for an electrical contact surface, for which purpose preferably the end face 7 of the battery housing is used, so that it can be used as a contact surface 8.
  • the contact spring 6 is provided, which has a radial portion 9 end, which can be inserted into a recess 10 so that it protrudes to a certain extent from the recess 10.
  • Fig. 2a to c is ever a detail view of an end cap 5 with a recess 10 and a contact spring 6 is shown, wherein Fig. 2c the end cap 5 with built-in contact spring 6 shows.
  • the end cap 5, together with the protruding radial section 9 must be screwed into the battery housing until the radial section 9 comes into contact with the contact surface 8.
  • an end cap with an external thread 11 and a battery housing 3 with a corresponding internal thread is suitable.
  • Fig. 3 shows an alternative embodiment in which a contact spring 6 is used, the end has an extended radius (arrow 30). As a result, a circular line contact is created, which can be connected to an annular contact surface 8 on the battery case.
  • an end cap 5 with an internal thread and a battery housing 3 with an external thread are preferably used.
  • Fig. 4a and b show the end cap 5 with a contact spring 6 in a detailed view, wherein the contact spring 6 end has an extended radius (arrow 30).
  • the radial portion 9 is connected to a clip 51, wherein between the portion 9 and the contact surface 8 in the installed state, a gap 52, so that the contact by a pivoting movement of the clip 51st closed ( Fig. 5a, b) ,
  • the clip 51 is arranged longitudinally axially on the battery housing 3.
  • This flashlight can be adjusted by turning the end cap 5, that the flashlight is closed by a slight pressing or pivoting of the clip 51 in the direction of arrow 53, a contact (see. Fig. 5b ) and the contact is interrupted again by opposing pulling.
  • Fig. 6a, b and c show further embodiments of a flashlight, where there the contact spring 6 is formed as a leaf spring 61.
  • the leaf spring 61 is integrally connected to a clip 51.
  • an electrical contact 62 is provided to a battery 4.
  • Another electrical contact 63 is arranged on the radial section 9, which merges into the clip 51 in one piece. The contact 63 can be closed by turning the end cap 5 or by a slight pressure, the end cap has to be screwed correspondingly far.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Battery Mounting, Suspending (AREA)
  • Connection Of Batteries Or Terminals (AREA)

Abstract

The torch has a cylindrical battery housing (3) whose end is formed with a current-conducting contact area (8). A contact spring (6) e.g. helical spring and leaf spring, is formed with contact points. A battery is mounted in the battery housing. The contact points join a pole of the battery mounted in the housing to contact surfaces of the housing. The contact points are arranged on opposite ends of the contact springs. An end cap (5) is formed with an external thread (11). A radial section (9) is assembled with the contact area of the battery housing.

Description

Die vorliegende Erfindung betrifft eine Taschenlampe mit einem zylinderförmigen Batteriegehäuse an dessen einem Ende eine stromleitende Kontaktfläche ausgebildet ist, einer Endkappe sowie einer Kontaktfeder mit Kontaktpunkten, die einen Pol einer im Batteriegehäuse gelagerten Batterie mit der Kontaktfläche des Batteriegehäuses verbindet.The present invention relates to a flashlight with a cylindrical battery housing at one end of a current-conducting contact surface is formed, an end cap and a contact spring with contact points, which connects a pole of a battery housing mounted in the battery housing with the contact surface of the battery case.

Eine derartige Taschenlampe ist beispielsweise in der DE 20 2007 009 202.4 beschrieben. Diese besitzt eine Endkappe, in der eine Druckfeder angeordnet ist, die aus einem einzigen Federdraht mit bereichsweise unterschiedlichem Wicklungsdurchmesser besitzt, wobei zumindest teilweise eine Mehrzahl von Wicklungen radial nebeneinander angeordnet ist. Mit anderen Worten, es wird eine Druckfeder beschrieben, die zwei koaxial gelagerte Teilbereiche aufweist, die jeweils als Schraubenfedern ausgebildet sind. Die teilweise radial nebeneinander liegenden Endstücke der Kontaktfedern bilden die Kontaktpunkte, wobei ein Kontaktpunkt mit dem Pol einer Batterie und der andere Kontaktpunkt mit einer Kontaktfläche des Batteriegehäuses verbunden sind.Such a flashlight is for example in the DE 20 2007 009 202.4 described. This has an end cap, in which a compression spring is arranged, which has a single spring wire with partially different winding diameter, wherein at least partially a plurality of windings is arranged radially adjacent to each other. In other words, it is described a compression spring having two coaxially mounted portions, which are each formed as coil springs. The partially radially adjacent end pieces of the contact springs form the contact points, wherein a contact point with the pole of a battery and the other contact point are connected to a contact surface of the battery case.

Bereits in dieser Druckschrift wird erwähnt, dass sich eine Vielzahl von Kontaktstellen in einem Stromkreis einer Taschenlampe ungünstig auf die Bedienbarkeit auswirken, da an Kontaktstellen die elektrischen Kontakte durch Oxidation, Verschmutzung und Verschleißerscheinungen keinen optimalen elektrischen Kontakt bilden, so dass nach Lösungen gesucht wird, die Anzahl der Kontaktstellen zu verringern. Die in der DE 20 2007 009 272.4 beschriebenen Taschenlampen besitzen Endkappen mit einer Druckfeder, die für einen elektrischen Kontakt lediglich zwei Kontaktstellen aufweisen, nämlich zwischen Batteriepol und Feder und zwischen Feder und Batteriegehäuse. Diese Anzahl von Kontaktstellen ist in einer mehrstückigen und auseinander baubaren Ausführungsform nicht zu reduzieren. Allerdings hat die vorgeschlagene Ausführungsform den Nachteil, dass die notwendige Druckfeder vergleichsweise kompliziert herzustellen ist, was einerseits relativ hohe Kosten verursacht, andererseits ein genaues Arbeiten bei der Herstellung der Druckfeder erfordert.Already in this document mentions that affect a variety of contact points in a circuit of a flashlight unfavorable to the operability, since at contact points, the electrical contacts by oxidation, pollution and wear do not form an optimal electrical contact, so that is looking for solutions that Reduce number of contact points. The in the DE 20 2007 009 272.4 Flashlights described have end caps with a compression spring, which have only two contact points for electrical contact, namely between battery and spring and between spring and battery case. This number of contact points can not be reduced in a multi-piece and disassemblable embodiment. However, the proposed embodiment has the disadvantage that the necessary compression spring is relatively complicated to produce, which on the one hand causes relatively high costs, on the other hand, requires an accurate work in the production of the compression spring.

Es ist daher Aufgabe der vorliegenden Erfindung eine Taschenlampe mit einer Endkappe zu schaffen, die bei einer möglichst geringen Anzahl von erforderlichen Kontaktstellen einfach herzustellen ist, womit einerseits Produktionskosten reduziert werden und andererseits ein stabilerer elektrischer Kontakt geschaffen wird.It is therefore an object of the present invention to provide a flashlight with an end cap, which is easy to manufacture with the lowest possible number of contact points, which on the one hand production costs are reduced and on the other hand a more stable electrical contact is created.

Dieser Aufgabe wird durch die Taschenlampe nach Anspruch 1 gelöst, wonach erfindungsgemäß die Kontaktpunkte an gegenüberliegenden Enden der Kontaktfeder angeordnet sind. Mit anderen Worten, es wird eine Taschenlampe vorgeschlagen, die in ihrer Endkappe eine Kontaktfeder besitzt, wobei diese an zwei gegenüberliegenden Enden Kontaktpunkte aufweist, die einerseits mit dem Pol einer Batterie und andererseits mit den Kontaktflächen des Batteriegehäuses verbunden werden können. Vorzugsweise ist hierbei die Kontaktfeder als Schraubenfeder oder als Blattfeder ausgebildet, wobei auch andere Kontaktfedern vorstellbar sind.This object is achieved by the flashlight according to claim 1, which according to the invention, the contact points are arranged at opposite ends of the contact spring. In other words, it is proposed a flashlight, which has a contact spring in its end cap, which has contact points at two opposite ends, which can be connected on the one hand to the pole of a battery and on the other hand to the contact surfaces of the battery case. Preferably, in this case, the contact spring is designed as a helical spring or as a leaf spring, wherein other contact springs are conceivable.

Prinzipiell sind drei verschiedene Ausgestaltungen der vorliegenden Erfindung vorgesehen, die im Folgenden sowie in den Unteransprüchen erläutert werden.In principle, three different embodiments of the present invention are provided, which are explained below and in the dependent claims.

Nach einer ersten bevorzugten Ausgestaltung ist vorgesehen, dass die Endkappe ein Außengewinde und das Batteriegehäuse ein korrespondierendes Innengewinde besitzt und dass die Kontaktfeder endseitig mindestens ein radiales Teilstück besitzt, das in eine Ausnehmung der Endkappe derart eingreift, dass das Teilstück im zusammengebauten Zustand mit der Kontaktfläche des Batteriegehäuses verbunden ist. Hierzu muss das Teilstück aus der Ausnehmung um ein bestimmtes Maß herausragen, so dass das herausragende Teilstück auf die Kontaktflächen des Batteriegehäuses gedrückt werden kann. Prinzipiell kann die Kontaktfläche ring- oder teilringförmig an der Stirnseite des Batteriegehäuses angeordnet sein. Alternativ hierzu kann die Kontaktfläche auch als ring- oder teilringförmiger Sockel innerhalb des Batteriegehäuses ausgebildet sein. Vorzugsweise ist die Ausnehmung zwischen dem Gewinde der Endkappe und einem Abschlussstück angeordnet. An dieser Stelle kann die Ausnehmung besonders einfach durch eine Bohrung in die Endkappe eingebracht werden.According to a first preferred embodiment, it is provided that the end cap has an external thread and the battery housing has a corresponding internal thread and that the contact spring end has at least one radial portion which engages in a recess of the end cap such that the portion in the assembled state with the contact surface of the Battery housing is connected. For this purpose, the portion of the recess must protrude by a certain amount, so that the protruding portion can be pressed onto the contact surfaces of the battery case. In principle, the contact surface may be arranged annularly or partially annularly on the end face of the battery housing. Alternatively, the contact surface may be formed as a ring or semi-annular base within the battery case. Preferably, the recess is disposed between the threads of the end cap and a termination piece. At this point, the recess can be particularly easily introduced through a hole in the end cap.

Nach einer alternativen Ausgestaltung der vorliegenden Erfindung ist vorgesehen, dass die Endkappe ein Innengewinde und das Batteriegehäuse ein korrespondierendes Außengewinde besitzt und dass die Kontaktfeder endseitig zumindest in einem Teilbereich einen so großen Radius aufweist, dass dieser Teilbereich im eingebauten Zustand mit der Kontaktfläche des Batteriegehäuses verbunden ist. Vorzugsweise ist hierzu die Kontaktfeder eine Schraubenfeder, die bevorzugt kegelstumpfförmig ausgebildet ist. Dabei weist die kegelstumpfförmige Schraubenfeder vorzugsweise endseitig einen Teilbereich auf mit einem so großen Radius auf, dass dieser Teilbereich im eingebauten Zustand mit der Kontaktfläche des Batteriegehäuses verbunden ist. Anders ausgedrückt, das spitze Ende der Kontaktfeder ist mit der Batterie und das erweiterte Ende mit der Endkappe bzw. der Kontaktfläche verbunden, so dass ein kreisförmiger Linienkontakt gebildet wird. Diese Ausführungsform ist besonders gut als Schalter auszugestalten, da der Kontaktschluss aufgrund eines Linienkontaktes zwischen Kontaktfeder und Batteriegehäuse durch Drehen der Endkappe hergestellt werden kann. Ferner ist vorgesehen, dass die Endkappe so weit auf das Batteriegehäuse aufgeschraubt werden kann, dass der Kontakt gerade so noch nicht geschlossen ist, so dass ein Kontakt unter Ausnutzung des Gewindespiels geschlossen werden kann, womit diese Ausführungsform auch als Tastschalter ausgebildet sein kann.According to an alternative embodiment of the present invention, it is provided that the end cap has an internal thread and the battery housing has a corresponding external thread and that the contact spring has at least in a partial region such a large radius that this portion is connected in the installed state with the contact surface of the battery case , For this purpose, the contact spring is preferably a helical spring, which is preferably frusto-conical. In this case, the frustoconical helical spring preferably has a partial region on the end with such a large radius that this partial region is connected in the installed state to the contact surface of the battery housing. In other words, the tip end of the contact spring is connected to the battery and the extended end to the end cap or the contact surface, so that a circular line contact is formed. This embodiment is particularly well designed as a switch, since the contact closure due to a line contact between the contact spring and battery case can be made by turning the end cap. It is further provided that the end cap can be screwed onto the battery case so far that the contact is just not closed so that a contact can be closed by utilizing the thread play, so this embodiment can also be designed as a push button.

Nach einer weiteren bevorzugten Ausführungsform der vorliegenden Erfindung ist vorgesehen, dass die Kontaktfeder ein radiales Teilstück aufweist, das ein- oder zweistückig mit einem Clip verbunden ist, wobei der Kontakt durch Drehen der Endkappe hergestellt wird. Ferner ist nach einer weiteren Ausgestaltung vorgesehen, dass zwischen dem Teilbereich und der Kontaktfläche im eingebauten Zustand eine Lücke besteht, so dass der Kontakt durch eine Schwenkbewegung des Clips geschlossen wird. Bei beiden Ausgestaltungen ergeben sich hinsichtlich der Ausbildung als Schalter die oben genannten Vorteile, da auch hier die Endkappe soweit gedreht werden kann, dass der Kontaktschluss entweder über eine Drehbewegung der Endkappe oder durch Drücken unter Ausnutzung des Gewindespiels hergestellt werden kann.According to another preferred embodiment of the present invention it is provided that the contact spring has a radial portion which is connected in one or two pieces with a clip, wherein the contact is made by rotating the end cap. Furthermore, according to a further embodiment, there is a gap between the partial area and the contact area in the installed state, so that the contact is closed by a pivoting movement of the clip. In both embodiments, the above-mentioned advantages arise in terms of training as a switch, since here too, the end cap can be rotated so far that the contact closure can be made either by a rotational movement of the end cap or by pressing the thread play using.

Vorzugsweise ist der Clip längsaxial am Batteriegehäuse angeordnet. Diese Taschenlampe lässt sich durch Drehen der Endkappe derart einstellen, dass die Taschenlampe durch ein leichtes Drücken bzw. Verschwenken des Clips ein Kontakt geschlossen wird und der Kontakt durch entgegengesetztes Ziehen wieder unterbrochen wird. Hiermit ist es sogar möglich, die Taschenlampe so einzustellen, dass der Kontakt unterbrochen ist, wenn die Taschenlampe an dem Clip in einer Tasche hängt, wie beispielsweise einer Brusttasche, und der Stromkreis geschlossen wird, sobald die Taschenlampe der Tasche entnommen wird.Preferably, the clip is arranged longitudinally axially on the battery housing. This flashlight can be adjusted by turning the end cap so that the flashlight is closed by a slight pressing or pivoting of the clip a contact and the contact is interrupted by opposing pulling again. This even makes it possible to adjust the flashlight so that the contact is broken when the flashlight hangs on the clip in a pocket, such as a breast pocket, and the circuit is closed as soon as the flashlight is removed from the pocket.

Konkrete Ausgestaltungen sowie weitere bevorzugte Ausführungsformen der vorliegenden Erfindung werden im Folgenden anhand der Figuren erläutert. Es zeigen:

Fig. 1a, b:
je eine Explosionsdarstellung einer Taschenlampe,
Fig. 2a,b,c:
je eine Endkappe mit einer Schraubenfeder,
Fig. 3:
eine Taschenlampe mit einer kegelstumpfförmigen Kontaktfeder,
Fig. 4a,b:
je eine Endkappe mit einer Feder mit erweitertem Teilbereich,
Fig. 5a, b:
je eine Taschenlampe mit Clip und
Fig. 6a, b, c:
eine weitere Ausführungsform einer Taschenlampe mit einem Clip, der mit einer Blattfeder verbunden ist.
Concrete embodiments as well as further preferred embodiments of the present invention are explained below with reference to the figures. Show it:
Fig. 1a, b:
each an exploded view of a flashlight,
Fig. 2a, b, c:
one end cap each with a coil spring,
3:
a flashlight with a frusto-conical contact spring,
Fig. 4a, b:
one end cap each with a spring with extended portion,
Fig. 5a, b:
ever a flashlight with clip and
6a, b, c:
another embodiment of a flashlight with a clip which is connected to a leaf spring.

In den Fig. 1 a und b ist in je einer Explosionsdarstellung eine Taschenlampe 1 mit einem Lampenkopf 2, einem Batteriegehäuse 3, Batterien 4, einer Endkappe 5 und einer als Schraubenfeder ausgebildeten Kontaktfeder 6 dargestellt. Bei derartigen Taschenlampen wird der Stromkreis üblicherweise über das Batteriegehäuse 3 geschlossen, wozu dieses zumindest teilweise aus einem leitfähigen Material besteht. Hierzu bietet sich vorzugsweise Aluminium an, das zur Härtung der Oberfläche mit einem Eloxierverfahren behandelt werden kann. In einem solchen Fall muss die behandelte Oberfläche allerdings für eine elektrische Kontaktfläche abgeschliffen werden, wozu vorzugsweise die Stirnseite 7 des Batteriegehäuses verwendet wird, so dass diese als Kontaktfläche 8 verwendet werden kann. Zum Kontaktschluss zwischen der Batterie und dem Batteriegehäuse ist die Kontaktfeder 6 vorgesehen, die endseitig ein radiales Teilstück 9 besitzt, das in eine Ausnehmung 10 so eingeführt werden kann, dass es um ein gewisses Maß aus der Ausnehmung 10 herausragt. In den Fig. 2a bis c ist je eine Detailansicht einer Endkappe 5 mit einer Ausnehmung 10 sowie einer Kontaktfeder 6 dargestellt, wobei Fig. 2c die Endkappe 5 mit eingebauter Kontaktfeder 6 zeigt. Um den elektrischen Kontakt zu schließen, muss die Endkappe 5 zusammen mit dem herausragenden radialen Teilstück 9 soweit in das Batteriegehäuse eingeschraubt werden, bis das radiale Teilstück 9 mit der Kontaktfläche 8 in Berührung kommt. Für eine solche Ausgestaltung eignet sich insbesondere eine Endkappe mit einem Außengewinde 11 sowie ein Batteriegehäuse 3 mit einem korrespondierenden Innengewinde.In the Fig. 1 A and B is an exploded view of a flashlight 1 with a lamp head 2, a battery case 3, 4 batteries, an end cap 5 and designed as a helical spring contact spring 6 is shown. In such flashlights, the circuit is usually closed via the battery housing 3, to which this at least partially consists of a conductive material. For this purpose, preferably aluminum, which is used to cure the surface with Anodization can be treated. In such a case, however, the treated surface must be ground down for an electrical contact surface, for which purpose preferably the end face 7 of the battery housing is used, so that it can be used as a contact surface 8. For contact closure between the battery and the battery housing, the contact spring 6 is provided, which has a radial portion 9 end, which can be inserted into a recess 10 so that it protrudes to a certain extent from the recess 10. In the Fig. 2a to c is ever a detail view of an end cap 5 with a recess 10 and a contact spring 6 is shown, wherein Fig. 2c the end cap 5 with built-in contact spring 6 shows. In order to close the electrical contact, the end cap 5, together with the protruding radial section 9, must be screwed into the battery housing until the radial section 9 comes into contact with the contact surface 8. For such a configuration, in particular, an end cap with an external thread 11 and a battery housing 3 with a corresponding internal thread is suitable.

Fig. 3 zeigt eine alternative Ausgestaltung, bei der eine Kontaktfeder 6 verwendet wird, die endseitig einen erweiterten Radius besitzt (Pfeil 30). Hierdurch wird ein kreisförmiger Linienkontakt geschaffen, der mit einer ringförmigen Kontaktfläche 8 auf dem Batteriegehäuse verbunden werden kann. Für eine derartige Ausgestaltung wird vorzugsweise eine Endkappe 5 mit einem Innengewinde und ein Batteriegehäuse 3 mit einem Außengewinde verwendet. Fig. 3 shows an alternative embodiment in which a contact spring 6 is used, the end has an extended radius (arrow 30). As a result, a circular line contact is created, which can be connected to an annular contact surface 8 on the battery case. For such a configuration, an end cap 5 with an internal thread and a battery housing 3 with an external thread are preferably used.

Die Fig. 4a und b zeigen die Endkappe 5 mit einer Kontaktfeder 6 in einer Detailansicht, wobei die Kontaktfeder 6 endseitig einen erweiterten Radius besitzt (Pfeil 30).The Fig. 4a and b show the end cap 5 with a contact spring 6 in a detailed view, wherein the contact spring 6 end has an extended radius (arrow 30).

Nach einer weiteren konkreten Ausgestaltung der vorliegenden Erfindung ist vorgesehen, dass das radiale Teilstück 9 mit einem Clip 51 verbunden ist, wobei zwischen dem Teilstück 9 und der Kontaktfläche 8 im eingebauten Zustand eine Lücke 52 besteht, so dass der Kontakt durch eine Schwenkbewegung des Clips 51 geschlossen wird (Fig. 5a, b). Vorzugsweise ist der Clip 51 längsaxial am Batteriegehäuse 3 angeordnet. Diese Taschenlampe lässt sich durch Drehen der Endkappe 5 derart einstellen, dass die Taschenlampe durch ein leichtes Drücken bzw. Verschwenken des Clips 51 in Pfeilrichtung 53 ein Kontakt geschlossen wird (vgl. Fig. 5b) und der Kontakt durch entgegengesetztes Ziehen wieder unterbrochen wird.According to another specific embodiment of the present invention, it is provided that the radial portion 9 is connected to a clip 51, wherein between the portion 9 and the contact surface 8 in the installed state, a gap 52, so that the contact by a pivoting movement of the clip 51st closed ( Fig. 5a, b) , Preferably, the clip 51 is arranged longitudinally axially on the battery housing 3. This flashlight can be adjusted by turning the end cap 5, that the flashlight is closed by a slight pressing or pivoting of the clip 51 in the direction of arrow 53, a contact (see. Fig. 5b ) and the contact is interrupted again by opposing pulling.

DieFig. 6a, b und c zeigen weitere Ausgestaltungen einer Taschenlampe, wobei dort die Kontaktfeder 6 als Blattfeder 61 ausgebildet ist. Darüber hinaus ist auch die Blattfeder 61 einstückig mit einem Clip 51 verbunden. Im zusammengebauten Zustand (Fig. 6c) ist endseitig der Blattfeder 61 ein elektrischer Kontakt 62 zu einer Batterie 4 vorgesehen. Ein weiterer elektrischer Kontakt 63 ist am radialen Teilstück 9 angeordnet, das einstückig in den Clip 51 übergeht. Der Kontakt 63 kann durch Drehen der Endkappe 5 oder durch einen leichten Druck hierauf geschlossen werden, wobei die Endkappe hierzu entsprechend weit aufgeschraubt sein muss.The Fig. 6a, b and c show further embodiments of a flashlight, where there the contact spring 6 is formed as a leaf spring 61. In addition, the leaf spring 61 is integrally connected to a clip 51. In the assembled state ( Fig. 6c ) At the end of the leaf spring 61, an electrical contact 62 is provided to a battery 4. Another electrical contact 63 is arranged on the radial section 9, which merges into the clip 51 in one piece. The contact 63 can be closed by turning the end cap 5 or by a slight pressure, the end cap has to be screwed correspondingly far.

Claims (10)

Taschenlampe mit einem zylinderförmigen Batteriegehäuse (3) an dessen einem Ende eine stromleitende Kontaktfläche (8) ausgebildet ist, einer Endkappe (5) sowie einer Kontaktfeder (6) mit Kontaktpunkten, die einen Pol einer im Batteriegehäuse (3) gelagerten Batterie (4) mit der Kontaktfläche (8) des Batteriegehäuses (3) verbindet,
dadurch gekennzeichnet, dass
die Kontaktpunkte an gegenüberliegenden Enden der Kontaktfeder angeordnet sind.Flashlight with a cylindrical battery housing (3) at one end of a current-conducting contact surface (8) is formed, an end cap (5) and a contact spring (6) with contact points, the one pole in the battery housing (3) mounted battery (4) the contact surface (8) of the battery housing (3) connects,
characterized in that
the contact points are arranged at opposite ends of the contact spring. Taschenlampe nach Anspruch 1, dadurch gekennzeichnet, dass die Kontaktfeder eine Schraubenfeder oder eine Blattfeder ist.Flashlight according to claim 1, characterized in that the contact spring is a coil spring or a leaf spring. Taschenlame nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass die Endkappe (5) ein Außengewinde (11) und das Batteriegehäuse (3) ein korrespondierendes Innengewinde besitzt und dass die Kontaktfeder (6) endseitig mindestens ein radiales Teilstück (9) besitzt, das in eine Ausnehmung (10) der Endkappe (5) derart eingreift, dass das Teilstück (9) im zusammengebauten Zustand mit der Kontaktfläche (8) des Batteriegehäuses (3) verbunden ist.Taschenlame according to claim 1 or 2, characterized in that the end cap (5) has an external thread (11) and the battery housing (3) has a corresponding internal thread and that the contact spring (6) end has at least one radial portion (9), in a recess (10) of the end cap (5) engages such that the portion (9) in the assembled state with the contact surface (8) of the battery case (3) is connected. Taschenlampe nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, dass die Ausnehmung (10) zwischen dem Außengewinde (11) der Endkappe (5) und einem Abschlussstück (12) angeordnet ist.Flashlight according to one of claims 1 to 3, characterized in that the recess (10) between the external thread (11) of the end cap (5) and an end piece (12) is arranged. Taschenlampe nach einem der Ansprüche 1 oder 2, dadurch gekennzeichnet, dass die Endkappe (5) ein Innengewinde und das Batteriegehäuse (3) ein korrespondierendes Außengewinde besitzt und dass die Kontaktfeder (6) endseitig zumindest in einem Teilbereich einen so großen Radius aufweist, dass dieser Teilbereich im eingebauten Zustand mit der Kontaktfläche (8) des Batteriegehäuses (3) verbunden ist.Flashlight according to one of claims 1 or 2, characterized in that the end cap (5) has an internal thread and the battery housing (3) has a corresponding external thread and that the contact spring (6) end has at least in a partial region such a large radius that this Part area in the installed state with the contact surface (8) of the battery case (3) is connected. Taschenlampe nach einem der Ansprüche 1 oder 5, dadurch gekennzeichnet, dass die Kontaktfeder (6) eine Schraubenfeder ist, die vorzugsweise kegelstumpfförmig ausgebildet ist.Flashlight according to one of claims 1 or 5, characterized in that the contact spring (6) is a helical spring, which is preferably formed frusto-conical. Taschenlampe nach einem der Ansprüche 1, 5 oder 6, dadurch gekennzeichnet, dass die kegelstumpfförmige Schraubenfeder endseitig einen Teilbereich mit einem so großen Radius besitzt, dass dieser Teilbereich im eingebauten Zustand mit der Kontaktfläche (8) des Batteriegehäuses (3) verbunden ist.Flashlight according to one of claims 1, 5 or 6, characterized in that the frustoconical helical spring end has a portion with such a large radius that this portion is connected in the installed state with the contact surface (8) of the battery case (3). Taschenlampe nach Anspruch 1, dadurch gekennzeichnet, dass die Kontaktfeder ein radiales Teilstück aufweist, das ein- oder zweistückig mit einem Clip verbunden ist, wobei der Kontaktschluss durch Drehen der Endkappe hergestellt wird.Flashlight according to claim 1, characterized in that the contact spring has a radial portion which is connected in one or two pieces with a clip, wherein the contact closure is made by turning the end cap. Taschenlampe nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass zwischen dem Teilstück (9) und der Kontaktfläche (8) im eingebauten Zustand eine Lücke (52) besteht, so dass der Kontakt durch eine Schwenkbewegung des Clips (51) geschlossen wird.Flashlight according to claim 1 or 2, characterized in that between the portion (9) and the contact surface (8) in the installed state, a gap (52), so that the contact by a pivoting movement of the clip (51) is closed. Taschenlampe nach einem der Ansprüche 1, 8 oder 9, dadurch gekennzeichnet, dass der Clip (51) längsaxial am Batteriegehäuse (3) angeordnet ist.Flashlight according to one of claims 1, 8 or 9, characterized in that the clip (51) is arranged longitudinally axially on the battery housing (3).
EP10175175.8A 2010-07-06 2010-09-03 Torch with a contact spring Active EP2413016B1 (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
PL10175175T PL2413016T3 (en) 2010-07-06 2010-09-03 Torch with a contact spring
US13/695,244 US20130120978A1 (en) 2010-07-06 2011-05-04 Flashlight with a contact spring
AU2011276814A AU2011276814A1 (en) 2010-07-06 2011-05-04 Torch with a contact spring
CN201180028421XA CN103052837A (en) 2010-07-06 2011-05-04 Torch with a contact spring
PCT/DE2011/001023 WO2012003818A2 (en) 2010-07-06 2011-05-04 Torch with a contact spring
JP2013517005A JP5743354B2 (en) 2010-07-06 2011-05-04 Pocket lamp with contact spring

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102010026160A DE102010026160A1 (en) 2010-07-06 2010-07-06 Flashlight with a contact spring

Publications (2)

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EP2413016A1 true EP2413016A1 (en) 2012-02-01
EP2413016B1 EP2413016B1 (en) 2015-10-14

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EP10175175.8A Active EP2413016B1 (en) 2010-07-06 2010-09-03 Torch with a contact spring

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US (1) US20130120978A1 (en)
EP (1) EP2413016B1 (en)
JP (1) JP5743354B2 (en)
CN (1) CN103052837A (en)
AU (1) AU2011276814A1 (en)
DE (1) DE102010026160A1 (en)
DK (1) DK2413016T3 (en)
ES (1) ES2555354T3 (en)
PL (1) PL2413016T3 (en)
WO (1) WO2012003818A2 (en)

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Publication number Priority date Publication date Assignee Title
US20180261808A1 (en) * 2017-03-09 2018-09-13 Hunter Douglas, Inc. Battery pack for a motorized architectural structure covering
CN112996419B (en) * 2018-10-22 2022-06-07 美亚知识产权有限公司 Cookware handle containing electronic components

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US4517628A (en) * 1983-10-31 1985-05-14 Mcdermott Kevin Portable lighting device
EP1605200A1 (en) * 2004-06-07 2005-12-14 Mellert SLT GmbH & Co. KG Penlight

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US2550423A (en) * 1946-09-19 1951-04-24 Milton A Nelson Extensible flashlight
US4517628A (en) * 1983-10-31 1985-05-14 Mcdermott Kevin Portable lighting device
EP1605200A1 (en) * 2004-06-07 2005-12-14 Mellert SLT GmbH & Co. KG Penlight

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WO2012003818A3 (en) 2012-03-15
JP2013530504A (en) 2013-07-25
JP5743354B2 (en) 2015-07-01
ES2555354T3 (en) 2015-12-30
EP2413016B1 (en) 2015-10-14
US20130120978A1 (en) 2013-05-16
AU2011276814A1 (en) 2013-01-10
DE102010026160A1 (en) 2012-01-12
PL2413016T3 (en) 2016-03-31
CN103052837A (en) 2013-04-17
DK2413016T3 (en) 2015-12-07
WO2012003818A2 (en) 2012-01-12

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