EP0195195B1 - Ignition key including a transmitter - Google Patents

Ignition key including a transmitter Download PDF

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Publication number
EP0195195B1
EP0195195B1 EP86100975A EP86100975A EP0195195B1 EP 0195195 B1 EP0195195 B1 EP 0195195B1 EP 86100975 A EP86100975 A EP 86100975A EP 86100975 A EP86100975 A EP 86100975A EP 0195195 B1 EP0195195 B1 EP 0195195B1
Authority
EP
European Patent Office
Prior art keywords
battery
component
ignition key
transmitter
extension
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
EP86100975A
Other languages
German (de)
French (fr)
Other versions
EP0195195A3 (en
EP0195195A2 (en
Inventor
Heinz Allerdist
Klaus Rathmann
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.)
Mannesmann VDO AG
Original Assignee
Mannesmann VDO AG
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 Mannesmann VDO AG filed Critical Mannesmann VDO AG
Publication of EP0195195A2 publication Critical patent/EP0195195A2/en
Publication of EP0195195A3 publication Critical patent/EP0195195A3/en
Application granted granted Critical
Publication of EP0195195B1 publication Critical patent/EP0195195B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
    • G07C9/00—Individual registration on entry or exit
    • G07C9/00174—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys
    • G07C9/00944—Details of construction or manufacture
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T70/00—Locks
    • Y10T70/70—Operating mechanism
    • Y10T70/7441—Key
    • Y10T70/778—Operating elements
    • Y10T70/7791—Keys
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T70/00—Locks
    • Y10T70/70—Operating mechanism
    • Y10T70/7441—Key
    • Y10T70/778—Operating elements
    • Y10T70/7791—Keys
    • Y10T70/7802—Multi-part structures
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T70/00—Locks
    • Y10T70/70—Operating mechanism
    • Y10T70/7441—Key
    • Y10T70/778—Operating elements
    • Y10T70/7791—Keys
    • Y10T70/7876—Bow or head

Definitions

  • the invention relates to an ignition key with a transmitter operated by a battery for actuating the central locking system of a motor vehicle, the ignition key consisting of two detachably connected structural units (1, 2).
  • an ignition key is known in which the battery is housed in the key case, which is connected to the ignition key by a connecting line.
  • This has the advantage that the housing with the transmitter electronics does not have to be opened to replace the battery.
  • the transmitter electronics can be accommodated in a well-sealed manner.
  • there is no risk of damage when changing the battery is often difficult. This can be due, for example, to the fact that the battery to be replaced is very small and requires skill in handling it, or to the fact that several batteries with different polarity directions must be used, so that there is a possibility of incorrect polarity.
  • a car key with lighting device in which a holder with a U-shaped groove is firmly connected to the key shaft, into which a two-part housing can be inserted, the two housing parts via edge-side projections in the Groove of the bracket are held together.
  • the housing contains a battery, a lamp and a key switch, with which the lamp can be electrically connected to the battery.
  • the invention has for its object to design an ignition key of the type mentioned in such a way that on the one hand the transmitter electronics can be accommodated in a well-protected manner, on the other hand a battery change can be carried out quickly and easily.
  • one assembly (1) contains the transmitter electronics and the key shank (3) and the other assembly (2) contains the battery and a button (5) with which the transmitter can be electrically connected to the battery, and that the components (1, 2) are connected to one another via dovetail-like guides (6, 7).
  • the component (2) containing the battery has an extension (4) which overlaps the component (1) with the transmitter electronics and if the button (5) is partially arranged in the region of the extension (4). It is particularly expedient if the component (2) containing the battery, together with the button (4) and the battery, is designed as an overall replaceable spare part when the battery is changed.
  • the transmitter electronics can be housed hermetically sealed, for example potted.
  • the assembly with the battery also contains the button for actuating the transmitter by connecting the transmitter to the battery.
  • the button is exchanged with each battery replacement, which is advantageous because the life of a button is limited and roughly corresponds to that of a battery in such a transmitter. Apart from this, this arrangement makes the design effort for the overall arrangement particularly low.
  • connection of the component containing the battery to the other component is particularly simple to manufacture and handle if the structural unit is connected to the battery by means of a dovetail-like guide to the other component.
  • this connection must be designed in such a way that the electrical connection is established when the unit with the batteries is pushed on.
  • a sufficiently large area for the arrangement of the button can be achieved in a simple manner if the component with the battery with an extension partially reaches over the component with the transmitter electronics and the button is partially arranged in the area of this extension.
  • the invention allows numerous embodiments. One of them is shown schematically as a side view to illustrate its basic principle and is described below.
  • the ignition key shown in the drawing consists of two units 1 and 2.
  • the unit 1 contains transmitter electronics, not shown, and a key shaft 3 with which the ignition lock can be actuated.
  • a battery, also not shown, for powering the transmitter electronics is accommodated in the unit 2.
  • the assembly 2 engages with an extension 4 over the assembly 2 and has a button 5 on its surface enlarged by this extension 4. By pressing this button 5, the transmitter electronics are supplied with energy from the battery.
  • the unit 2 is connected to the unit 1 by dovetail guides 6, 7 in such a way that to replace the unit 2, it only has to be pushed off to the side. When the new module 2 is pushed on, the necessary electrical connections are inevitable.

Description

Die Erfindung bezieht sich auf einen Zündschlüssel mit einem von einer Batterie betriebenen Sender zur Betätigung der Zentralverriegelung eines Kraftfahrzeugs, wobei der Zündschlüssel aus zwei lösbar miteinander verbundenen Baueinheiten (1, 2) besteht.The invention relates to an ignition key with a transmitter operated by a battery for actuating the central locking system of a motor vehicle, the ignition key consisting of two detachably connected structural units (1, 2).

Aus der DE-A-32 44 855 ist ein Zündschlüssel bekannt, bei dem die Batterie im Schlüsseletui untergebracht ist, das durch eine Verbindungsleitung mit dem Zündschlüssel verbunden ist. Das hat den Vorteil, daß zum Auswechseln der Batterie das Gehäuse mit der Senderelektronik nicht geöffnet werden muß. Dadurch kann die Senderelektronik gut abgedichtet untergebracht werden. Weiterhin besteht keine Gefahr einer Beschädigung bei einem Batteriewechsel. Die Erfahrung hat jedoch gezeigt, daß das Auswechseln einer Batterie häufig Schwierigkeiten bereitet. Das kann zum Beispiel daran liegen, daß die auszuwechselnde Batterie sehr klein ist und ihre Handhabung Geschick verlangt oder auch daran, daß mehrere Batterien mit unterschiedlicher Polrichtung eingesetzt werden müssen, so daß die Möglichkeit einer falschen Polung besteht.From DE-A-32 44 855 an ignition key is known in which the battery is housed in the key case, which is connected to the ignition key by a connecting line. This has the advantage that the housing with the transmitter electronics does not have to be opened to replace the battery. As a result, the transmitter electronics can be accommodated in a well-sealed manner. Furthermore, there is no risk of damage when changing the battery. However, experience has shown that changing a battery is often difficult. This can be due, for example, to the fact that the battery to be replaced is very small and requires skill in handling it, or to the fact that several batteries with different polarity directions must be used, so that there is a possibility of incorrect polarity.

Aus der GB-A-20 80 386 ist außerdem ein Autoschlüssel mit Beleuchtungseinrichtung bekannt, bei dem mit dem Schlüsselschaft eine Halterung mit U-förmiger Nut fest verbunden ist, in die ein zweiteiliges Gehäuse einschiebbar ist, wobei die beiden Gehäuseteile über randseitige Vorsprünge in der Nut der Halterung zusammengehalten werden. Das Gehäuse enthält eine Batterie, eine Lampe und einen Tastschalter, mit dem die Lampe elektrisch mit der Batterie verbunden werden kann. Auch bei diesem bekannten Schlüssel ergeben sich die oben genannten Schwierigkeiten beim Batteriewechsel.From GB-A-20 80 386 a car key with lighting device is also known, in which a holder with a U-shaped groove is firmly connected to the key shaft, into which a two-part housing can be inserted, the two housing parts via edge-side projections in the Groove of the bracket are held together. The housing contains a battery, a lamp and a key switch, with which the lamp can be electrically connected to the battery. This known key also gives rise to the difficulties mentioned above when changing the battery.

Der Erfindung liegt die Aufgabe zugrunde, einen Zündschlüssel der eingangs genannten Art derart zu gestalten, daß einerseits die Senderelektronik gut geschützt untergebracht werden kann, andererseits ein Batteriewechsel auf möglichst einfache Weise rasch durchführbar ist.The invention has for its object to design an ignition key of the type mentioned in such a way that on the one hand the transmitter electronics can be accommodated in a well-protected manner, on the other hand a battery change can be carried out quickly and easily.

Diese Aufgabe wird erfindungsgemäß dadurch gelöst, daß die eine Baueinheit (1) die Senderelektronik sowie den Schlüsselschaft (3) und die andere Baueinheit (2) die Batterie sowie eine Taste (5) enthält, mit dem der Sender elektrisch mit der Batterie verbindbar ist, und daß die Bauteile (1, 2) über schwalbenschwanzartige Führungen (6, 7) miteinander verbunden sind.This object is achieved in that one assembly (1) contains the transmitter electronics and the key shank (3) and the other assembly (2) contains the battery and a button (5) with which the transmitter can be electrically connected to the battery, and that the components (1, 2) are connected to one another via dovetail-like guides (6, 7).

Besonders vorteilhaft ist es, wenn das die Batterie enthaltende Bauteil (2) einen Fortsatz (4) aufweist, der das Bauteil (1) mit der Senderelektronik übergreift und wenn der Taster (5) teilweise im Bereich des Fortsatzes (4) angeordnet ist. Besonders zweckmäßig ist es, wenn das die Batterie enthaltende Bauteil (2) zusammen mit dem Taster (4) und der Batterie als ein beim Batteriewechsel insgesamt austauschbares Ersatzteil ausgebildet ist.It is particularly advantageous if the component (2) containing the battery has an extension (4) which overlaps the component (1) with the transmitter electronics and if the button (5) is partially arranged in the region of the extension (4). It is particularly expedient if the component (2) containing the battery, together with the button (4) and the battery, is designed as an overall replaceable spare part when the battery is changed.

Durch diese Gestaltung braucht man beim Austausch der Batterie oder der Batterien nicht mehr mit einer einzelnen Batterie oder mit einzelnen Batterien zu hantieren, vielmehr wird die komplette Baueinheit mit einer vom Hersteller eingesetzten Batterie ausgetauscht. Dadurch ist der Batterieaustausch sehr einfach und rasch und ohne Fehlermöglichkeit durchführbar. Weiterhin kann die Senderelektronik hermetisch abgeschlossen untergebracht werden, beispielsweise vergossen sein.With this design, it is no longer necessary to deal with a single battery or with individual batteries when replacing the battery or batteries, rather the entire structural unit is replaced with a battery used by the manufacturer. As a result, the battery can be replaced very easily and quickly and without the possibility of errors. Furthermore, the transmitter electronics can be housed hermetically sealed, for example potted.

Ganz besonders günstig ist es, daß die Baueinheit mit der Batterie zugleich den Taster zum Betätigen des Senders durch Verbinden des Senders mit der Batterie enthält. Dadurch wird mit jedem Batterieaustausch zugleich der Taster ausgewechselt, was vorteilhaft ist, weil die Lebensdauer eines Tasters begrenzt ist und bei einem solchen Sender in etwa der einer Batterie entspricht. Hiervon abgesehen wird durch diese Anordnung der konstruktive Aufwand für die Gesamtanordnung besonders gering.It is particularly favorable that the assembly with the battery also contains the button for actuating the transmitter by connecting the transmitter to the battery. As a result, the button is exchanged with each battery replacement, which is advantageous because the life of a button is limited and roughly corresponds to that of a battery in such a transmitter. Apart from this, this arrangement makes the design effort for the overall arrangement particularly low.

Die Verbindung des die Batterie enthaltenden Bauteils mit dem anderen Bauteil ist besonders einfach in der Herstellung und Handhabung, wenn die Baueinheit mit der Batterie mittels einer schwalbenschwanzartigen Führung mit dem anderen Bauteil verbunden ist. Selbstverständlich muß diese Verbindung so gestaltet sein, daß mit dem Aufschieben der Baueinheit mit den Batterien zugleich die elektrische Verbindung hergestellt wird.The connection of the component containing the battery to the other component is particularly simple to manufacture and handle if the structural unit is connected to the battery by means of a dovetail-like guide to the other component. Of course, this connection must be designed in such a way that the electrical connection is established when the unit with the batteries is pushed on.

Eine ausreichend große Fläche für die Anordnung des Tasters läßt sich auf einfache Weise erzielen, wenn das Bauteil mit der Batterie mit einem Fortsatz teilweise über das Bauteil mit der Senderelektronik greift und der Taster teilweise im Bereich dieses Fortsatzes angeordnet ist.A sufficiently large area for the arrangement of the button can be achieved in a simple manner if the component with the battery with an extension partially reaches over the component with the transmitter electronics and the button is partially arranged in the area of this extension.

Die Erfindung läßt zahlreiche Ausführungsformen zu. Zur Verdeutlichung ihres Grundprinzips ist eine davon schematisch als Seitenansicht dargestellt und wird nachfolgend beschrieben.The invention allows numerous embodiments. One of them is shown schematically as a side view to illustrate its basic principle and is described below.

Der in der Zeichnung dargestellte Zündschlüssel besteht aus zwei Baueinheiten 1 und 2. Die Baueinheit 1 enthält eine nicht dargestellte Senderelektronik und einen Schlüsselschaft 3, mit dem das Zündschloß zu betätigen ist.The ignition key shown in the drawing consists of two units 1 and 2. The unit 1 contains transmitter electronics, not shown, and a key shaft 3 with which the ignition lock can be actuated.

In der Baueinheit 2 ist eine ebenfalls nicht dargestellte Batterie zur Energieversorgung der Senderelektronik untergebracht. Die Baueinheit 2 greift mit einem Fortsatz 4 über die Baueinheit 2 und besitzt auf ihrer durch diesen Fortsatz 4 vergrößerten Fläche einen Taster 5. Durch Niederdrücken dieses Tasters 5 wird die Senderelektronik mit Energie aus der Batterie versorgt.A battery, also not shown, for powering the transmitter electronics is accommodated in the unit 2. The assembly 2 engages with an extension 4 over the assembly 2 and has a button 5 on its surface enlarged by this extension 4. By pressing this button 5, the transmitter electronics are supplied with energy from the battery.

Die Verbindung der Baueinheit 2 mit der Baueinheit 1 erfolgt durch schwalbenschwanzförmige Führungen 6, 7 derart, daß zum Auswechseln der Baueinheit 2 diese nur zur Seite hin abgeschoben werden muß. Beim Aufschieben der neuen Baueinheit 2 kommt es zwangsläufig zu den erforderlichen elektrischen Verbindungen.The unit 2 is connected to the unit 1 by dovetail guides 6, 7 in such a way that to replace the unit 2, it only has to be pushed off to the side. When the new module 2 is pushed on, the necessary electrical connections are inevitable.

Claims (3)

  1. Ignition key having a transmitter operated by a battery for activating the central locking of a motor vehicle, the ignition key consisting of two components (1, 2) connected releasably to one another, characterised in that the one component (1) contains the transmission electronics and the key shaft (3) and the other component (2) contains the battery as well as a pushbutton (5), with which the transmitter can be electrically connected to the battery, and in that the components (1, 2) are connected to one another via swallowtail-like guides (6, 7).
  2. Ignition key according to Claim 1, characterised in that the component (2) containing the battery has an extension (4) which engages over the component (1) with the transmission electronics and in that the pushbutton (5) is arranged partially in the region of the extension (4).
  3. Ignition key according to Claim 1, characterised in that the component (2) containing the battery is constructed together with the pushbutton (4) and the battery as a replacement part which can be exchanged as a whole when changing the battery.
EP86100975A 1985-03-16 1986-01-24 Ignition key including a transmitter Expired - Lifetime EP0195195B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19853509579 DE3509579A1 (en) 1985-03-16 1985-03-16 IGNITION KEY WITH TRANSMITTER
DE3509579 1985-03-16

Publications (3)

Publication Number Publication Date
EP0195195A2 EP0195195A2 (en) 1986-09-24
EP0195195A3 EP0195195A3 (en) 1988-08-03
EP0195195B1 true EP0195195B1 (en) 1991-05-02

Family

ID=6265463

Family Applications (1)

Application Number Title Priority Date Filing Date
EP86100975A Expired - Lifetime EP0195195B1 (en) 1985-03-16 1986-01-24 Ignition key including a transmitter

Country Status (4)

Country Link
US (1) US4726205A (en)
EP (1) EP0195195B1 (en)
JP (1) JPS61229079A (en)
DE (2) DE3509579A1 (en)

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US6035677A (en) 1993-08-26 2000-03-14 Strattec Security Corporation Key assembly for vehicle ignition locks
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WO1995032348A1 (en) * 1994-05-20 1995-11-30 Kabushiki Kaisha Tokai-Rika-Denki-Seisakusho Key provided with built-in transmitter element
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JPH07317394A (en) * 1994-05-27 1995-12-05 Tokai Rika Co Ltd Card key equipped with transmitting element
WO1996028629A1 (en) * 1995-03-16 1996-09-19 Medeco Security Locks, Inc. Universal apparatus for use with electronic and/or mechanical access control devices
DE19605201B4 (en) * 1996-02-13 2007-04-12 Marquardt Gmbh Housing for an electronic key
US6442986B1 (en) 1998-04-07 2002-09-03 Best Lock Corporation Electronic token and lock core
USD434301S (en) * 1999-08-20 2000-11-28 Ford Global Technologies, Inc. Automotive vehicle key
USD433921S (en) * 1999-08-20 2000-11-21 Ford Global Technologies, Inc. Automotive vehicle key
USD434302S (en) * 1999-08-26 2000-11-28 Ford Global Technologies, Inc. Automotive vehicle key
DE19962976C1 (en) * 1999-12-24 2001-09-20 Huf Huelsbeck & Fuerst Gmbh Combined mechanical and electronic key, especially for locks on vehicles
US6523380B1 (en) 2000-11-15 2003-02-25 Strattec Security Corporation Overmolded key including an ornamental element and method of making same
DE10209133A1 (en) * 2002-03-01 2003-09-11 Volkswagen Ag Radio key for remote locking of motor vehicle uses key shaft and/or metal part of housing made as transmission antenna in order to increase transmission range of radio key
FR2867217B1 (en) * 2004-03-03 2006-05-19 Valeo Securite Habitacle KEY COMPRISING A HOUSING FOR PERMANENTLY CLOSED TRANSPONDER
SE528602C2 (en) * 2005-06-10 2006-12-27 Assa Ab Key and way of producing such key
US8505348B2 (en) 2011-12-28 2013-08-13 Laurent Colasse Key with spring-loaded window breaker

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Also Published As

Publication number Publication date
JPS61229079A (en) 1986-10-13
DE3509579A1 (en) 1986-09-18
US4726205A (en) 1988-02-23
DE3678983D1 (en) 1991-06-06
EP0195195A3 (en) 1988-08-03
EP0195195A2 (en) 1986-09-24

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