EP0447818B1 - Device for interrogation of angles of rotation of a locking cylinder in a locking system operated by keys - Google Patents

Device for interrogation of angles of rotation of a locking cylinder in a locking system operated by keys Download PDF

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Publication number
EP0447818B1
EP0447818B1 EP91102379A EP91102379A EP0447818B1 EP 0447818 B1 EP0447818 B1 EP 0447818B1 EP 91102379 A EP91102379 A EP 91102379A EP 91102379 A EP91102379 A EP 91102379A EP 0447818 B1 EP0447818 B1 EP 0447818B1
Authority
EP
European Patent Office
Prior art keywords
switch
actuating part
lock cylinder
carrier
door
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
EP91102379A
Other languages
German (de)
French (fr)
Other versions
EP0447818A1 (en
Inventor
Klaus Claar
Jürgen Schrader
Martin Lindmayer
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.)
Daimler Benz AG
Original Assignee
Mercedes Benz 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 Mercedes Benz AG filed Critical Mercedes Benz AG
Publication of EP0447818A1 publication Critical patent/EP0447818A1/en
Application granted granted Critical
Publication of EP0447818B1 publication Critical patent/EP0447818B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B85/00—Details of vehicle locks not provided for in groups E05B77/00 - E05B83/00
    • E05B85/06—Lock cylinder arrangements
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B81/00—Power-actuated vehicle locks
    • E05B81/54—Electrical circuits
    • E05B81/64—Monitoring or sensing, e.g. by using switches or sensors
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B17/00—Accessories in connection with locks
    • E05B17/04—Devices for coupling the turning cylinder of a single or a double cylinder lock with the bolt operating member
    • E05B17/041—Coupling device with a shaft projecting axially rearwardly from the cylinder, e.g. affording a degree of universal motion to compensate for misalignment
    • 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
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S70/00—Locks
    • Y10S70/30—Switch lock
    • 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
    • Y10T70/50—Special application
    • Y10T70/5889—For automotive vehicles
    • 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
    • Y10T70/50—Special application
    • Y10T70/5889—For automotive vehicles
    • Y10T70/5969—Other element with switch
    • 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
    • Y10T70/50—Special application
    • Y10T70/5889—For automotive vehicles
    • Y10T70/5973—Remote control
    • Y10T70/5978—With switch
    • 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
    • Y10T70/60—Systems
    • Y10T70/625—Operation and control
    • Y10T70/65—Central control

Definitions

  • the invention relates to a device for querying the angles of rotation of a locking cylinder in a key-operated locking system with the features of the preamble of claim 1.
  • a generic device is known (DE 38 27 564 C1). In it, a microswitch is spatially assigned to the lock nut which is rotatably coupled to the lock cylinder.
  • This lock nut is divided into two sleeves that can be rotated in relation to one another in order to provide a free-wheeling or key return rotation game with the first partial sleeve, which corresponds functionally to a conventional lock nut, which enables a neutral key withdrawal position of the lock cylinder, and with the second, almost play-free, rotationally coupled with the lock cylinder Part sleeve to enable the clear and impulsive actuation of the microswitch.
  • the second partial sleeve has corresponding switching cams for querying the angle of rotation of the locking cylinder or for actuating the microswitch at certain angles of rotation of the locking cylinder.
  • the microswitch is used to trigger certain switching functions related to vehicle locking, e.g. B.
  • the known device also provides sure that the anti-theft device cannot be switched on or off by actuating the inside door lock, because the microswitch remains inactive.
  • the lock nut is also arranged in the so-called “wet area” of the inside of the door, which necessitates a watertight design of the microswitch.
  • the electrical plug connection of the microswitch must also be plugged in, which is also problematic due to the cramped installation conditions, but is unavoidable in order not to unnecessarily complicate the installation of the lock itself by an electrical line hanging from the lock nut.
  • the invention has for its object to provide a generic device so that while maintaining the decoupling of the switch actuation from the lock nut and from the lock cylinder on the one hand a conventional one-piece lock nut can be provided and on the other hand the switch itself can be carried out more easily.
  • the switch actuating part can be coupled to the lock cylinder via the usual rotary rod by extending it so that it axially penetrates the lock nut - with corresponding driver elements for the lock nut or their coupling, which is subject to torsional play, with the lock cylinder on the lock nut in the assembled state lying position of the rotary rod are provided - and is brought into engagement in a suitable manner with the rotatably mounted switch actuating part at the end behind the lock nut.
  • Either commercially available microswitches can be considered as control switches or, in an advantageous embodiment of the device according to the invention, a very compact structural unit can be created from a carrier part, switch actuation part and control switch.
  • a locking cylinder 2 is fastened in the outer skin of a motor vehicle door 1, which is biased by a return spring 3 into a neutral key withdrawal (or insertion) position and against the force of this return spring 3 with a key, not shown, starting from the key withdrawal position can be turned right and left.
  • a lock nut 5 is coupled in a known manner to the lock cylinder 2 via a coupling which is subject to rotational play, via a rotary rod 4 fastened to the rear side of the lock cylinder 2, which faces away from the keyhole (also not shown).
  • the rotary rod 4 is provided in the area which, in the final assembly state shown, lies in the lock nut 5, with driver elements 6 which correspond to driver elements of the lock nut.
  • the lock nut 5 is rotatably mounted in a lock carrier plate 7 in the "wet area" of the door interior.
  • the lock nut 5 is taken along, so that the associated lock, not shown, is unlocked or locked via a suitable lever connection - only indicated by an extension 5H of the lock nut 5.
  • the lock nut 5 is turned back into its neutral position by the return spring 3, the lock nut 5, the lever connection and the lock itself remain in the respective unlocking or locking position.
  • the rotary rod 4 is axially extended from the lock cylinder 2 through the lock nut 5 and penetrates an opening 8 in a carrier plate 9 which is formed by the inner door panel facing the interior or passenger compartment of the vehicle is.
  • a switch actuation part 10 is rotatably mounted concentrically to the aforementioned opening 8 in a carrier part 11, which also carries two microswitches 12 and is in turn fastened on the carrier plate 9.
  • a clip connection is preferably provided between the carrier part 11 and the carrier plate 9. In the delivery state of the vehicle, the door inner panel and thus also the carrier panel 9 and the entire switch arrangement are covered by a door inner panel.
  • Both the lock nut 5 and the switch actuating part 10 each have a funnel contour TR on their side facing the locking cylinder 2, which in each case facilitates the insertion of the rotating rod 4 to be positively coupled with both parts when installing the locking cylinder 2 by moving the rotating rod end in the direction the central push-through opening of the lock nut 5 or the switch actuating part 10 centers.
  • the switch actuating part 10 is provided on its outer circumference opposite the microswitches 12 in a known manner with nocks NO which are located in different planes and distributed over the circumference as required by the switching points of the microswitches and which correspond to rocker switches SW of the microswitches.
  • the switch actuating part 10 is not rotated synchronously with the lock nut 5 from the inside when the unlocked lock is mechanically unlocked, as a result of which, for. B. influencing a controllable by the microswitch 12 mechanical anti-theft device is reliably prevented by the door security.
  • the lock nut can be rotated relative to the lock cylinder because of the mentioned free play, but the switch actuation part cannot because of the positive coupling with the rotating rod. It can only be turned with the key in the locking cylinder.
  • the opening 8 is sealed by a film 13 inserted between the carrier part 11 and the carrier plate 9; Of course, other sealants, e.g. B. sealing rings made of foam, etc.
  • the sealing of the gap between the door and the body is usually the responsibility of a door seal TD. It is also possible to seal between the switch actuating part 10 and the support part 11 - z. B. as a lip seal on the outer circumference or on the outer edge of the funnel contour TR of the switch actuating part 10 - to be provided, in which case the receiving bore of the switch actuating part 10 for the free end of the rotary rod 4 is either designed as a blind hole or in an otherwise suitable manner to the vehicle interior or to the control switches 12 must be sealed off.
  • any positive locking elements e.g. B. corresponding square or polygonal cross sections, but also gears can be used.
  • a square cross section 6 ′ is shown at the free end of the rotary rod 4.
  • FIG. 3 is a sectional view along the section line III-III in FIG. 2, while in FIG. 3 the section plane is indicated in FIG. 2 by a section line II-II -
  • a carrier part 11 ' which is provided for direct mounting on the carrier plate 9 shown in FIG. 1 in the region of the opening 8, can advantageously be designed as a compact unit with a switch actuating part 10', a movable contact pin 14 and switching segments 15, 16, which together form at least one control switch 12 '.
  • the carrier part 11 ' is provided with a flange and through openings for screws for fastening to the carrier plate 9.
  • the switch actuation part 10 here has a driver slot 17 which is arranged concentrically with its axis of rotation and which is brought into engagement with a corresponding end flat cross section 6''of the broken rod 4 indicated in the drawing. It goes without saying that such a rotary coupling can also be used for the switch actuating part 10 shown in FIG.
  • the switch segments 15 and 16 to be regarded as fixed contacts of the control switch 12' are inserted flush, while the contact pin 14 - which is to be regarded as the switch contact of the control switch 12 '- is itself fastened in the switch actuating part 10' .
  • both switching segments - is a single-pole, regardless of the direction of rotation of the locking cylinder or the rotary rod / the switch actuating part 10 'switchable control switch 12' created
  • a changeover switch 12 ' with a neutral central position or the equivalent arrangement of two single-pole pushbutton switches, each of which one is switchable in a certain direction of rotation.
  • the switch actuation part 10 ' is fastened in the carrier part 11' by means of a clipped-on cover plate 18 and is biased away from the cover plate 18 by a plate spring 19 onto the switching segments 15 and 16.
  • FIGS. 2 and 3 has the advantage over the use of microswitches (FIG. 1) that the switching points of the control switch formed by these and the contact pin can be maintained much more precisely by the spatial arrangement of the switching segments.
  • the use of this simplified "integrated" switch form with exposed contacts is only made possible by the inventive arrangement of the control switch outside the at least moist door interior.
  • the switch actuating part 10 'and the control switch 12' can also be sealed in this embodiment with respect to the interior of the door by a sealing film glued in between the carrier part 11 'and the carrier plate 9; If necessary, however, a round cord sealing ring or another suitable seal between the carrier part 11 'and the switch actuating part 10' z. B. on the outer circumference of the provided with the driving slot 17, in the support part 11 'rotatably mounted neck-shaped part of the switch actuating part 10'.
  • Only one movable contact pin 14 is shown here, which is connected to one of the switching segments 15 or 16 in the case of right or Turning the lock cylinder or the rotary rod 4 counterclockwise makes electrical contact by approx. 40 °. But it can also be provided a second contact pin in the switch actuating part 10 ', the contact pin 14 z. B. diametrically opposite with respect to the axis of rotation of the switch actuating part 10 'and can be connected via its own electrical line. If the locking cylinder can now be rotated beyond the aforementioned 40 ° rotation angle, the two contact pins can be brought into contact with one of the switching segments at the same time with a suitable circumferential expansion of the switching segments, as a result of which a further switching function can be implemented.
  • a central locking system could be controlled in the unlocking or locking direction with one contact pin 14 and one of the switching segments 15 or 16 (the switch 12 'would then have the function of a changeover button with a neutral central position), while an additional anti-theft device depends on
  • the direction of rotation of the locking cylinder is only switched on or off if at the same time each of the two contact pins is brought into contact with one of the switching segments 15 or 16.
  • Such a circuit is of course also possible with the conventional microswitches 12 shown in FIG. 1 by providing suitable switching cams NO on the switch actuating part 10.

Landscapes

  • Lock And Its Accessories (AREA)

Description

Die Erfindung bezieht sich auf eine Vorrichtung zur Abfrage von Drehwinkeln eines Schließzylinders in einem schlüsselbetätigten Schließsystem mit den Merkmalen des Oberbegriffs des Patentanspruchs 1.
Eine gattungsgemäße Vorrichtung ist bekannt (DE 38 27 564 C1). In ihr ist ein Mikroschalter räumlich der mit dem Schließzylinder drehgekuppelten Schloßnuß zugeordnet. Diese Schloßnuß ist in zwei gegeneinander verdrehbare Teilhülsen geteilt, um mit der ersten Teilhülse, die funktionell einer konventionellen Schloßnuß entspricht, ein Freilauf- bzw. Schlüsselrückdrehspiel - welches eine neutrale Schlüsselabzugsstellung des Schließzylinders ermöglicht - vorzusehen und mit der zweiten, nahezu spielfrei mit dem Schließzylinder drehgekuppelten Teilhülse die eindeutige und impulshafte Betätigung des Mikroschalters zu ermöglichen.
Die zweite Teilhülse weist zur Abfrage der Drehwinkel des Schließzylinders bzw. zur Betätigung des Mikroschalters bei bestimmten Drehwinkeln des Schließzylinders entsprechende Schaltnocken auf. Der Mikroschalter dient der Auslösung von bestimmten mit der Fahrzeugverriegelung zusammenhängenden Schaltfunktionen, z. B. als Steuerschalter einer zusätzlichen mechanischen Diebstahlsicherung. Weil die zweite Teilhülse mechanisch von der Schloßnuß und damit auch von der üblichen Türinnensicherung entkoppelt ist, stellt die bekannte Vorrichtung auch sicher, daß die Diebstahlsicherung nicht durch Betätigung der Türinnensicherung ein- oder ausgeschaltet werden kann, weil dabei der Mikroschalter unbetätigt bleibt.The invention relates to a device for querying the angles of rotation of a locking cylinder in a key-operated locking system with the features of the preamble of claim 1.
A generic device is known (DE 38 27 564 C1). In it, a microswitch is spatially assigned to the lock nut which is rotatably coupled to the lock cylinder. This lock nut is divided into two sleeves that can be rotated in relation to one another in order to provide a free-wheeling or key return rotation game with the first partial sleeve, which corresponds functionally to a conventional lock nut, which enables a neutral key withdrawal position of the lock cylinder, and with the second, almost play-free, rotationally coupled with the lock cylinder Part sleeve to enable the clear and impulsive actuation of the microswitch.
The second partial sleeve has corresponding switching cams for querying the angle of rotation of the locking cylinder or for actuating the microswitch at certain angles of rotation of the locking cylinder. The microswitch is used to trigger certain switching functions related to vehicle locking, e.g. B. as a control switch of an additional mechanical anti-theft device. Because the second part of the sleeve is mechanically decoupled from the lock nut and thus also from the usual door locking device, the known device also provides sure that the anti-theft device cannot be switched on or off by actuating the inside door lock, because the microswitch remains inactive.

Zwar wird mit dieser bekannten Vorrichtung die Aufgabe gelöst, den Schließzylinder im Hinblick auf den begrenzten Einbauraum in Türen moderner Kraftfahrzeuge sehr kompakt auszuführen, jedoch ist auch die Schloßnuß noch im sogenannten "Naßbereich" des Türinneren angeordnet, wodurch eine wasserdichte Ausführung des Mikroschalters notwendig wird.
Bei der Montage des Schlosses ist darüber hinaus auch die elektrische Steckverbindung des Mikroschalters zu stecken, was ebenfalls aufgrund der beengten Einbauverhältnisse problematisch, jedoch unumgänglich ist, um den Einbau des Schlosses selbst nicht durch eine an der Schloßnuß hängende elektrische Leitung unnötig zu erschweren.Although this known device achieves the task of making the lock cylinder very compact in view of the limited installation space in the doors of modern motor vehicles, the lock nut is also arranged in the so-called “wet area” of the inside of the door, which necessitates a watertight design of the microswitch.
When installing the lock, the electrical plug connection of the microswitch must also be plugged in, which is also problematic due to the cramped installation conditions, but is unavoidable in order not to unnecessarily complicate the installation of the lock itself by an electrical line hanging from the lock nut.

Die Erfindung hat die Aufgabe, eine gattungsgemäße Vorrichtung so auszubilden, daß unter Beibehaltung der Entkopplung der Schalterbetätigung von der Schloßnuß und vom Schließzylinder zum einen eine konventionelle einteilige Schloßnuß vorgesehen werden und zum anderen der Schalter selbst einfacher ausgeführt werden kann.The invention has for its object to provide a generic device so that while maintaining the decoupling of the switch actuation from the lock nut and from the lock cylinder on the one hand a conventional one-piece lock nut can be provided and on the other hand the switch itself can be carried out more easily.

Diese Aufgabe wird mit den kennzeichnenden Merkmalen des Patentanspruchs 1 erfindungsgemäß gelöst.This object is achieved according to the invention with the characterizing features of patent claim 1.

Durch die erfindungsgemäße Lagerung des Schalterbetätigungsteils für den Steuerschalter bezüglich des Schließzylinders hinter der Schloßnuß an einem dem Innenraum des Fahrzeugs zugewandten Träger - der durch das Tür- oder Klappeninnenblech gebildet ist - wird zum einen die Verwendung einfacherer, einteiliger Schloßnüsse möglich und können zum anderen nicht gegen Nässe abgedichtete und damit wesentlich kostengünstigere Steuerschalter eingebaut werden, da diese nunmehr ebenfalls im Innenraum des Fahrzeugs - unter der üblichen Tür- oder Klappeninnenverkleidung - auf demselben Träger befestigt werden und gegenüber dem Türinnenraum abgedichtet sind.Due to the inventive storage of the switch actuating part for the control switch with respect to the lock cylinder behind the lock nut on a carrier facing the interior of the vehicle - which is formed by the door or flap inner panel - the use of simpler, one-piece lock nuts is possible on the one hand and can not against Wet sealed and therefore much cheaper control switches be installed, since these are now also in the interior of the vehicle - under the usual door or flap interior trim - attached to the same support and are sealed against the door interior.

Die kennzeichnenden Merkmale der Unteransprüche offenbaren vorteilhafte Weiterbildungen der erfindungsgemäßen Vorrichtung.The characteristic features of the subclaims reveal advantageous developments of the device according to the invention.

In einfachster Weise kann das Schalterbetätigungsteil über die übliche Drehstange mit dem Schließzylinder gekuppelt werden, indem diese so verlängert wird, daß sie die Schloßnuß axial durchdringt - wobei entsprechende Mitnehmerelemente für die Schloßnuß bzw. deren drehspielbehaftete Kupplung mit dem Schließzylinder an der im Montagezustand in der Schloßnuß liegenden Stelle der Drehstange vorgesehen werden - und endseitig hinter der Schloßnuß in geeigneter Weise nahezu spielfrei mit dem drehbar gelagerten Schalterbetätigungsteil in Eingriff gebracht wird.
Als Steuerschalter kommen entweder handelsübliche Mikroschalter in Betracht, oder es kann in vorteilhafter Ausbildung der erfindungsgemäßen Vorrichtung eine sehr kompakte Baueinheit aus einem Trägerteil, Schalterbetätigungsteil und Steuerschalter geschaffen werden.In the simplest way, the switch actuating part can be coupled to the lock cylinder via the usual rotary rod by extending it so that it axially penetrates the lock nut - with corresponding driver elements for the lock nut or their coupling, which is subject to torsional play, with the lock cylinder on the lock nut in the assembled state lying position of the rotary rod are provided - and is brought into engagement in a suitable manner with the rotatably mounted switch actuating part at the end behind the lock nut.
Either commercially available microswitches can be considered as control switches or, in an advantageous embodiment of the device according to the invention, a very compact structural unit can be created from a carrier part, switch actuation part and control switch.

Weitere Einzelheiten und Vorteile gehen aus der Zeichnung zweier Ausführungsbeispiele und deren sich hier anschließender eingehender Beschreibung hervor.Further details and advantages emerge from the drawing of two exemplary embodiments and their detailed description that follows here.

Es zeigen

Figur 1
eine schematische Ansicht einer ersten Ausführungsform mit üblichen Mikroschaltern,
Figur 2
einen Ausschnitt aus einer zweiten Ausführungsform mit einer speziellen Ausgestaltung eines Trägerteils als Baueinheit mit einem Schalterbetätigungsteil und zwei Steuerschalterkontakten und
Figur 3
eine Schnittdarstellung aus Figur 2.
Show it
Figure 1
1 shows a schematic view of a first embodiment with conventional microswitches,
Figure 2
a section of a second embodiment with a special embodiment of a carrier part as a structural unit with a switch actuating part and two control switch contacts and
Figure 3
3 shows a sectional illustration from FIG. 2.

In Figur 1 ist in der Außenhaut einer Kraftfahrzeugtür 1 ein Schließzylinder 2 befestigt, der durch eine Rückstellfeder 3 in eine neutrale Schlüsselabzugs-(bzw. -einsteck-)stellung vorgespannt und gegen die Kraft dieser Rückstellfeder 3 mit einem nicht dargestellten Schlüssel ausgehend von der Schlüsselabzugsstellung rechts und links herum gedreht werden kann. Über eine an der - vom ebenfalls nicht dargestellten Schlüsselloch abgewandten - Rückseite des Schließzylinders 2 befestigte Drehstange 4 ist eine Schloßnuß 5 in bekannter Weise über eine drehspielbehaftete Kupplung mit dem Schließzylinder 2 gekuppelt; die Drehstange 4 ist in dem Bereich, der im gezeigten Montage-Endzustand in der Schloßnuß 5 liegt, mit Mitnehmerelementen 6 versehen, die mit Mitnehmerelementen der Schloßnuß korrespondieren. Die Schloßnuß 5 ist im "Naßbereich" des Türinnenraums in einem Schloßträgerblech 7 drehbar gelagert.
Bei Drehung des Schließzylinders 2 aus seiner neutralen Stellung wird die Schloßnuß 5 mitgenommen, so daß das zugehörige, nicht dargestellte Schloß über eine geeignete Hebelverbindung - nur durch einen Ansatz 5H der Schloßnuß 5 angedeutet - ent- bzw. verriegelt wird. Bei der Rückdrehung des Schließzylinders 2 in seine neutrale Stellung durch die Rückstellfeder 3 verbleiben die Schloßnuß 5, die Hebelverbindung und das Schloß selbst in der jeweiligen Ent- bzw. Verriegelungsstellung.
Die Drehstange 4 ist vom Schließzylinder 2 aus gesehen durch die Schloßnuß 5 hinaus axial verlängert und durchdringt eine Öffnung 8 in einem Trägerblech 9, das durch das dem Innen- bzw. Fahrgastraum des Fahrzeugs zugewandte Türinnenblech gebildet ist. Konzentrisch zu der genannten Öffnung 8 ist ein Schalterbetätigungsteil 10 drehbar in einem Trägerteil 11 gelagert, das auch zwei Mikroschalter 12 trägt und seinerseits auf dem Trägerblech 9 befestigt ist. Vorzugsweise wird eine nicht dargestellte Clipsverbindung zwischen dem Trägerteil 11 und dem Trägerblech 9 vorgesehen.
Im Auslieferungszustand des Fahrzeuges ist das Türinnenblech und damit auch das Trägerblech 9 und die gesamte Schalteranordnung durch eine Türinnenverkleidung verdeckt.
Sowohl die Schloßnuß 5 als auch das Schalterbetätigungsteil 10 weisen auf ihrer dem Schließzylinder 2 zugewandten Seite je eine Trichterkontur TR auf, die jeweils das Einführen der mit beiden Teilen formschlüssig zu kuppelnden Drehstange 4 beim Einbau des Schließzylinders 2 erleichtert, indem sie das Drehstangenende in Richtung auf die mittige Durchstecköffnung der Schloßnuß 5 bzw. des Schalterbetätigungsteils 10 zentriert. Das Schalterbetätigungsteil 10 ist auf seinem den Mikroschaltern 12 gegenüberliegenden Außenumfang in bekannter Weise mit in unterschiedlichen Ebenen liegenden und nach Erfordernis der Schaltpunkte der Mikroschalter über den Umfang verteilten Nokken NO versehen, die mit Schaltwippen SW der Mikroschalter korrespondieren. Angedeutet ist nur ein Nocken, der in der gleichen - horizontalen - Ebene wie die Schaltwippe des oberen Mikroschalters 12 liegt, während ein anderer Nocken, der in der Ebene der Schaltwippe des unteren Mikroschalters 12 liegt, wegen der geschnittenen Darstellung des Schalterbetätigungsteils 10 nicht sichtbar ist.
Eine elektrische Mehrfachleitung L ist ohne Zwischenschaltung einer Steckverbindung unmittelbar mit den Mikroschaltern 12 verbunden und äußerlich mit diesen vergossen. Letztere sind daher feste Bestandteile des Türkabelbaums, der üblicherweise an einer zentralen Türtrennstelle an das Bordnetz des Fahrzeugs angeschlossen wird. Die Schloßmontage wird dadurch nicht beeinträchtigt, weil die Mikroschalter gemäß der Erfindung ohnehin vorab getrennt vom Schließzylinder und vom Schloß am Trägerblech 9 mittels des Trägerteils 11 befestigt werden.
Mit der gezeigten Anordnung ist auch dafür gesorgt, daß das Schalterbetätigungsteil 10 bei mechanischer Entriegelung des verriegelten Schlosses von innen nicht synchron zur Schloßnuß 5 mitgedreht wird, wodurch z. B. eine Beeinflussung einer durch die Mikroschalter 12 steuerbaren mechanischen Diebstahlsicherung über die Türinnensicherung zuverlässig verhindert ist. Die Schloßnuß ist wegen des erwähnten Freilaufspiels relativ zum Schließzylinder drehbar, das Schalterbetätigungsteil wegen der formschlüssigen Kupplung mit der Drehstange jedoch nicht. Es kann nur mit dem im Schließzylinder steckenden Schlüssel gedreht werden.
Die Öffnung 8 ist durch eine zwischen das Trägerteil 11 und das Trägerblech 9 eingelegte Folie 13 abgedichtet; selbstverständlich können bei Bedarf an dieser Stelle auch andere Dichtmittel, z. B. Dichtringe aus Schaumstoff etc. - vorgesehen werden, die von der Drehstange 4 innerhalb der Öffnung 8 durchdrungen werden. Die Abdichtung des Spaltes zwischen Tür und Karosserie obliegt in üblicher Weise einer Türdichtung TD.
Es ist auch möglich, die Dichtung zwischen dem Schalterbetätigungsteil 10 und dem Trägerteil 11 - z. B. als Lippendichtung am Außenumfang bzw. am Außenrand der Trichterkontur TR des Schalterbetätigungsteils 10 - vorzusehen, wobei dann die Aufnahmebohrung des Schalterbetätigungsteils 10 für das freie Ende der Drehstange 4 entweder als Sackloch ausgebildet oder in sonst geeigneter Weise zum Fahrzeuginnenraum bzw. zu den Steuerschaltern 12 hin abgedichtet werden muß.
Für die möglichst spielfrei auszuführende Drehkupplung zwischen dem Schalterbetätigungsteil 10 und der Drehstange 4 können beliebige Formschlußelemente, z. B. korrespondierende Vierkant- oder Polygonquerschnitte, aber auch Verzahnungen, verwendet werden. Gezeigt ist ein Vierkantquerschnitt 6' am freien Ende der Drehstange 4.In FIG. 1 , a locking cylinder 2 is fastened in the outer skin of a motor vehicle door 1, which is biased by a return spring 3 into a neutral key withdrawal (or insertion) position and against the force of this return spring 3 with a key, not shown, starting from the key withdrawal position can be turned right and left. A lock nut 5 is coupled in a known manner to the lock cylinder 2 via a coupling which is subject to rotational play, via a rotary rod 4 fastened to the rear side of the lock cylinder 2, which faces away from the keyhole (also not shown). the rotary rod 4 is provided in the area which, in the final assembly state shown, lies in the lock nut 5, with driver elements 6 which correspond to driver elements of the lock nut. The lock nut 5 is rotatably mounted in a lock carrier plate 7 in the "wet area" of the door interior.
When the lock cylinder 2 is rotated from its neutral position, the lock nut 5 is taken along, so that the associated lock, not shown, is unlocked or locked via a suitable lever connection - only indicated by an extension 5H of the lock nut 5. When the lock cylinder 2 is turned back into its neutral position by the return spring 3, the lock nut 5, the lever connection and the lock itself remain in the respective unlocking or locking position.
The rotary rod 4 is axially extended from the lock cylinder 2 through the lock nut 5 and penetrates an opening 8 in a carrier plate 9 which is formed by the inner door panel facing the interior or passenger compartment of the vehicle is. A switch actuation part 10 is rotatably mounted concentrically to the aforementioned opening 8 in a carrier part 11, which also carries two microswitches 12 and is in turn fastened on the carrier plate 9. A clip connection, not shown, is preferably provided between the carrier part 11 and the carrier plate 9.
In the delivery state of the vehicle, the door inner panel and thus also the carrier panel 9 and the entire switch arrangement are covered by a door inner panel.
Both the lock nut 5 and the switch actuating part 10 each have a funnel contour TR on their side facing the locking cylinder 2, which in each case facilitates the insertion of the rotating rod 4 to be positively coupled with both parts when installing the locking cylinder 2 by moving the rotating rod end in the direction the central push-through opening of the lock nut 5 or the switch actuating part 10 centers. The switch actuating part 10 is provided on its outer circumference opposite the microswitches 12 in a known manner with nocks NO which are located in different planes and distributed over the circumference as required by the switching points of the microswitches and which correspond to rocker switches SW of the microswitches. Only one cam is indicated, which lies in the same - horizontal - plane as the rocker switch of the upper microswitch 12, while another cam, which lies in the plane of the rocker switch of the lower microswitch 12, is not visible because of the sectional representation of the switch actuation part 10 .
An electrical multiple line L is connected directly to the microswitches 12 without the interposition of a plug connection and is externally cast with them. The latter are therefore integral parts of the door wiring harness, which is usually connected to the vehicle electrical system at a central door disconnection point. The lock assembly is not affected because the microswitch according to the invention anyway be attached in advance separately from the lock cylinder and from the lock on the carrier plate 9 by means of the carrier part 11.
With the arrangement shown it is also ensured that the switch actuating part 10 is not rotated synchronously with the lock nut 5 from the inside when the unlocked lock is mechanically unlocked, as a result of which, for. B. influencing a controllable by the microswitch 12 mechanical anti-theft device is reliably prevented by the door security. The lock nut can be rotated relative to the lock cylinder because of the mentioned free play, but the switch actuation part cannot because of the positive coupling with the rotating rod. It can only be turned with the key in the locking cylinder.
The opening 8 is sealed by a film 13 inserted between the carrier part 11 and the carrier plate 9; Of course, other sealants, e.g. B. sealing rings made of foam, etc. - are provided, which are penetrated by the rotary rod 4 within the opening 8. The sealing of the gap between the door and the body is usually the responsibility of a door seal TD.
It is also possible to seal between the switch actuating part 10 and the support part 11 - z. B. as a lip seal on the outer circumference or on the outer edge of the funnel contour TR of the switch actuating part 10 - to be provided, in which case the receiving bore of the switch actuating part 10 for the free end of the rotary rod 4 is either designed as a blind hole or in an otherwise suitable manner to the vehicle interior or to the control switches 12 must be sealed off.
For the rotary coupling to be carried out as free of play as possible between the switch actuating part 10 and the rotary rod 4, any positive locking elements, e.g. B. corresponding square or polygonal cross sections, but also gears can be used. A square cross section 6 ′ is shown at the free end of the rotary rod 4.

In einer anderen, ausschnittsweise in Figuren 2 und 3 gezeigten Ausführungsform der erfindungsgemäßen Vorrichtung - wobei Figur 3 eine Schnittansicht entlang der Schnittlinie III-III in Figur 2 ist, während in Figur 3 durch eine Schnittlinie II-II die Schnittebene in Figur 2 angedeutet ist - kann ein Trägerteil 11', das zur unmittelbaren Montage auf dem in Figur 1 gezeigten Trägerblech 9 im Bereich der Öffnung 8 vorgesehen ist, vorteilhaft als kompakte Baueinheit mit einem Schalterbetätigungsteil 10', einem beweglichen Kontaktstift 14 und Schaltsegmenten 15, 16 ausgeführt werden, die zusammen wenigstens einen Steuerschalter 12' bilden. Im gezeigten Fall ist das Trägerteil 11' mit einem Flansch und Durchstecköffnungen für Schrauben zur Befestigung auf dem Trägerblech 9 versehen. Das Schalterbetätigungsteil 10' hat hier einen konzentrisch zu seiner Drehachse angeordneten Mitnehmerschlitz 17, der mit einem entsprechenden endseitigen Flachquerschnitt 6'' der abgebrochen angedeuteten Drehstange 4 in Eingriff gebracht wird. Es versteht sich, daß eine solche Drehkupplung auch für das in Figur 1 gezeigte Schalterbetätigungsteil 10 verwendet werden kann.
In das Trägerteil 11' sind, wie in Figur 3 ersichtlich, die als Festkontakte des Steuerschalters 12' anzusehenden Schaltsegmente 15 und 16 flächenbündig eingesetzt, während der Kontaktstift 14 - der als Schaltkontakt des Steuerschalters 12' anzusehen ist - im Schalterbetätigungsteil 10' selbst befestigt ist. Er ist elektrisch über eine Leitungsader LA anschließbar, während die Schaltsegmente 15 und 16 entweder gemeinsam ohne eigene Leitung an die Fahrzeugmasse angeschlossen oder über weitere Leitungsadern LB - die, wie angedeutet, innerhalb des Trägerteils 11', z. B. durch eingeformte Ausnehmungen, Nuten oder Bohrungen verlaufen - einzeln mit unterschiedlichen Anschlüssen verbunden sind.
Im ersten Fall - gleiches elektrisches Potential beider Schaltsegmente - ist ein einpoliger, unabhängig von der Drehrichtung des Schließzylinders bzw. der Drehstange/des Schalterbetätigungsteils 10' schaltbarer Steuerschalter 12' geschaffen, im zweiten Fall - unterschiedliche elektrische Potentiale bzw. Anschlüsse der Schaltsegmente - liegt ein Wechseltaster 12' mit neutraler Mittellage vor bzw. die äquivalente Anordnung zweier einpoliger Tastschalter, deren jeweils einer bei einer bestimmten Drehrichtung schaltbar ist.
Das Schalterbetätigungsteil 10' ist im Trägerteil 11' mittels einer eingeclipsten Deckscheibe 18 befestigt und wird durch eine Tellerfeder 19 von der Deckscheibe 18 weg auf die Schaltsegmente 15 und 16 zu vorgespannt. Dadurch wird eine sichere Kontaktierung des Kontaktstifts 14 mit den Schaltsegmenten in den entsprechenden von der neutralen Stellung abweichenden Drehwinkeln des Schließzylinders erreicht.In another embodiment of the device according to the invention, shown in sections in FIGS. 2 and 3 - FIG. 3 being a sectional view along the section line III-III in FIG. 2, while in FIG. 3 the section plane is indicated in FIG. 2 by a section line II-II - A carrier part 11 ', which is provided for direct mounting on the carrier plate 9 shown in FIG. 1 in the region of the opening 8, can advantageously be designed as a compact unit with a switch actuating part 10', a movable contact pin 14 and switching segments 15, 16, which together form at least one control switch 12 '. In the case shown, the carrier part 11 'is provided with a flange and through openings for screws for fastening to the carrier plate 9. The switch actuation part 10 'here has a driver slot 17 which is arranged concentrically with its axis of rotation and which is brought into engagement with a corresponding end flat cross section 6''of the broken rod 4 indicated in the drawing. It goes without saying that such a rotary coupling can also be used for the switch actuating part 10 shown in FIG.
In the carrier part 11 ', as can be seen in FIG. 3, the switch segments 15 and 16 to be regarded as fixed contacts of the control switch 12' are inserted flush, while the contact pin 14 - which is to be regarded as the switch contact of the control switch 12 '- is itself fastened in the switch actuating part 10' . It can be connected electrically via a line wire LA, while the switching segments 15 and 16 are either connected together to the vehicle ground without their own line or via further line wires LB - which, as indicated, within the carrier part 11 ', for. B. run through molded recesses, grooves or bores - are individually connected to different connections.
In the first case - the same electrical potential of both switching segments - is a single-pole, regardless of the direction of rotation of the locking cylinder or the rotary rod / the switch actuating part 10 'switchable control switch 12' created, in the second case - different electrical potentials or connections of the switching segments - there is a changeover switch 12 'with a neutral central position or the equivalent arrangement of two single-pole pushbutton switches, each of which one is switchable in a certain direction of rotation.
The switch actuation part 10 'is fastened in the carrier part 11' by means of a clipped-on cover plate 18 and is biased away from the cover plate 18 by a plate spring 19 onto the switching segments 15 and 16. As a result, reliable contacting of the contact pin 14 with the switching segments is achieved in the corresponding rotation angles of the locking cylinder that deviate from the neutral position.

Die Ausführung nach Figuren 2 und 3 hat gegenüber der Verwendung von Mikroschaltern (Figur 1) den Vorteil, daß sich durch die räumliche Anordnung der Schaltsegmente die Schaltpunkte des durch diese und den Kontaktstift gebildeten Steuerschalters wesentlich exakter einhalten lassen.
Ermöglicht wird die Verwendung dieser vereinfachten "integrierten" Schalterform mit freiliegenden Kontakten nur durch die erfindungsgemäße Anordnung des Steuerschalters außerhalb des zumindest feuchten Türinnenraums. Das Schalterbetätigungsteil 10' und der Steuerschalter 12' können auch in dieser Ausführung gegenüber dem Türinnenraum wieder durch eine zwischen dem Trägerteil 11' und dem Trägerblech 9 eingeklebte Dichtfolie abgedichtet werden; bedarfsweise kann aber auch ein Rundschnurdichtring oder eine andere geeignete Dichtung zwischen dem Trägerteil 11' und dem Schalterbetätigungsteil 10' z. B. am Außenumfang des mit dem Mitnehmerschlitz 17 versehenen, im Trägerteil 11' drehbar gelagerten halsförmigen Teils des Schalterbetätigungsteils 10' vorgesehen werden.The embodiment according to FIGS. 2 and 3 has the advantage over the use of microswitches (FIG. 1) that the switching points of the control switch formed by these and the contact pin can be maintained much more precisely by the spatial arrangement of the switching segments.
The use of this simplified "integrated" switch form with exposed contacts is only made possible by the inventive arrangement of the control switch outside the at least moist door interior. The switch actuating part 10 'and the control switch 12' can also be sealed in this embodiment with respect to the interior of the door by a sealing film glued in between the carrier part 11 'and the carrier plate 9; If necessary, however, a round cord sealing ring or another suitable seal between the carrier part 11 'and the switch actuating part 10' z. B. on the outer circumference of the provided with the driving slot 17, in the support part 11 'rotatably mounted neck-shaped part of the switch actuating part 10'.

Es ist hier nur ein beweglicher Kontaktstift 14 gezeigt, der mit je einem der Schaltsegmente 15 bzw. 16 bei Rechts- bzw.
Linksdrehung des Schließzylinders bzw. der Drehstange 4 um ca. 40° in elektrischen Kontakt tritt. Es kann aber auch noch ein zweiter Kontaktstift im Schalterbetätigungsteil 10' vorgesehen werden, der dem Kontaktstift 14 z. B. bezüglich der Drehachse des Schalterbetätigungsteils 10' diametral gegenüberliegt und über eine eigene elektrische Leitung anschließbar ist.
Wenn der Schließzylinder nun über die genannten 40°-Drehwinkel hinaus drehbar ist, können die beiden Kontaktstifte bei geeigneter Umfangsausdehnung der Schaltsegmente gleichzeitig in Kontakt mit je einem der Schaltsegmente gebracht werden, wodurch sich eine weitere Schaltfunktion realisieren läßt.
So könnte mit dem einen Kontaktstift 14 und je einem der Schaltsegmente 15 bzw. 16 eine Zentralverriegelungsanlage im Ent- bzw. Verriegelungssinn gesteuert werden (der Schalter 12' hätte dann die erwähnte Funktion eines Wechseltasters mit neutraler Mittellage), während eine zusätzliche Diebstahlsicherung in Abhängigkeit vom Drehsinn des Schließzylinders nur dann ein- bzw. ausgeschaltet wird, wenn gleichzeitig jeder der beiden Kontaktstifte mit je einem der Schaltsegmente 15 bzw. 16 in Kontakt gebracht wird.
Selbstverständlich ist eine solche Schaltung auch mit den in Figur 1 gezeigten konventionellen Mikroschaltern 12 möglich, indem auf dem Schalterbetätigungsteil 10 geeignete Schaltnocken NO vorgesehen werden.Only one movable contact pin 14 is shown here, which is connected to one of the switching segments 15 or 16 in the case of right or
Turning the lock cylinder or the rotary rod 4 counterclockwise makes electrical contact by approx. 40 °. But it can also be provided a second contact pin in the switch actuating part 10 ', the contact pin 14 z. B. diametrically opposite with respect to the axis of rotation of the switch actuating part 10 'and can be connected via its own electrical line.
If the locking cylinder can now be rotated beyond the aforementioned 40 ° rotation angle, the two contact pins can be brought into contact with one of the switching segments at the same time with a suitable circumferential expansion of the switching segments, as a result of which a further switching function can be implemented.
For example, a central locking system could be controlled in the unlocking or locking direction with one contact pin 14 and one of the switching segments 15 or 16 (the switch 12 'would then have the function of a changeover button with a neutral central position), while an additional anti-theft device depends on The direction of rotation of the locking cylinder is only switched on or off if at the same time each of the two contact pins is brought into contact with one of the switching segments 15 or 16.
Such a circuit is of course also possible with the conventional microswitches 12 shown in FIG. 1 by providing suitable switching cams NO on the switch actuating part 10.

Bei allen Ausführungsbeispielen versteht es sich, daß derartige Anordnungen auch an mehr als nur einer Tür oder Klappe eines Fahrzeugs vorgesehen werden können, um mittels der Drehwinkelabfrage-Vorrichtungen eine Mehrstellenbedienung der zu steuernden Schließ-, Verriegelungs- oder Sicherungseinrichtung zu erlauben.In all of the exemplary embodiments, it is understood that such arrangements can also be provided on more than just one door or flap of a vehicle in order to permit multi-point operation of the locking, locking or securing device to be controlled by means of the angle of rotation interrogation devices.

Claims (9)

  1. Device for sensing rotary angles of a lock cylinder in a key-actuated lock system, containing
    - at least one lock cylinder (2) of a door or flap (1) of a vehicle prestressed into a neutral position by means of return spring (3) and rotatable out of this neutral position by means of a key,
    - a follower (5) coupled to the lock cylinder (2) via a driving coupling allowing a free-wheel rotational play and to a protection element of a lock of the door or flap (1) and rotatably mounted in a door interior,
    - a switch-actuating part (10, 10') rotationally coupled to the lock cylinder (2) virtually free of play and rotatable synchronously with this,
    - at least one control switch (12, 12') which is switchable by the switch-actuating part (10, 10') at specific rotary angles of the latter and directly adjacent to this in spatial terms,
    characterised by
    - mounting the switch-actuating part (10; 10') for the control switch (12; 12') behind the follower (5) in relation to the lock cylinder (2) on a carrier (9) facing the interior of the vehicle and fixed to the door or flap,
    - retaining the control switch (12; 12') at least indirectly on the same carrier (9), and
    - sealing off at least the switch-actuating part (10; 10') and the control switch (12; 12') in relation to the door interior.
  2. Device according to Claim 1, in which the switch-actuating part (10, 10') is rotationally coupled to the lock cylinder (2) via a rotary rod (4),
    characterised by
    a one-piece extension of the rotary rod (4) beyond the follower (5), through which the latter passes, as far as the switch-actuating part (10; 10'),
    - the rotary rod (4) having both driving elements (6) for the follower (5) and driving elements (6'; 6'') for the switch-actuating part (10; 10'), and
    - the lead-through (orifice 8) of the rotary rod (4) through the carrier (9) being equipped with a seal (13).
  3. Device according to Claim 1 or 2,
    characterised by
    a joint fastening of the at least one control switch (12; 12') connected firmly to a feeder cable (L; LA, LB) and of the switch-actuating part (10; 10') on the carrier (9) by means of a common carrier part (11; 11').
  4. Device according to Claim 3, in which cams on the outer circumference of the switch-actuating part correspond to a switch rocker for actuating the control switch,
    characterised by
    - the mounting of two control switches (12) designed as microswitches with switch rockers (SW) in the common carrier part (11) in planes different in relation to the axial extension of the switch-actuating part (10), and
    - the arrangement of the cams (NO) in different planes of the outer circumference of the switch-actuating part (10) which correspond to the planes of the switch rockers.
  5. Device according to Claim 3,
    characterised by
    - the arrangement of a switch contact (14) of the control switch (12'), connected fixedly to a lead (LA), directly on the switch-actuating part (10'), and
    - the arrangement of at least one fixed contact (15, 16) of the control switch (12') on the carrier part (11').
  6. Device according to Claim 5,
    characterised by
    - the arrangement of two fixed contacts (15, 16) of the control switch (12') on the carrier part (11'), and
    - the arrangement of two switch contacts of the control switch (12'), each connected fixedly to its own lead, directly on the switch-actuating part (10'),
    - the two switch contacts being located diametrically opposite one another in relation to the axis of rotation of the switch-actuating part (10'), and neither of the two switch contacts being in contact with the fixed contact in the neutral position of the lock cylinder,
    - at smaller rotary angles of the lock cylinder, only one specific switch contact (14) can be brought into contact with one of the fixed contacts as a function of the particular direction of rotation, and
    - at larger rotary angles of the lock cylinder, both switch contacts can be brought simultaneously into contact respectively with one of the fixed contacts.
  7. Device according to one of the preceding claims, characterised by
    a funnel contour (TR) on the follower (5) and on the switch-actuating part (10; 10') respectively, to make it easier to introduce the rotary rod (4) during the installation of the lock cylinder (2).
  8. Device according to Claim 3, 4 or 5,
    characterised by
    the arrangement of a sealing of the switch-actuating part (10; 10') and of the control switch (12; 12') relative to the door interior between the switch-actuating part (10; 10') and the common carrier part (11; 11').
  9. Device according to Claim 1,
    characterised by
    the design of the carrier (9) as part of the inside panel of the door or flap facing the interior of the vehicle.
EP91102379A 1990-03-20 1991-02-20 Device for interrogation of angles of rotation of a locking cylinder in a locking system operated by keys Expired - Lifetime EP0447818B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4008834 1990-03-20
DE4008834A DE4008834C1 (en) 1990-03-20 1990-03-20 Interrogator for car door lock - has switch trip coupled to cylinder and connected to adjacent control switch

Publications (2)

Publication Number Publication Date
EP0447818A1 EP0447818A1 (en) 1991-09-25
EP0447818B1 true EP0447818B1 (en) 1993-08-11

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Application Number Title Priority Date Filing Date
EP91102379A Expired - Lifetime EP0447818B1 (en) 1990-03-20 1991-02-20 Device for interrogation of angles of rotation of a locking cylinder in a locking system operated by keys

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US (1) US5224364A (en)
EP (1) EP0447818B1 (en)
JP (1) JPH0826712B2 (en)
DE (2) DE4008834C1 (en)

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FR2036534A5 (en) * 1969-03-24 1970-12-24 Peugeot & Renault
DE2164651A1 (en) * 1971-12-24 1973-06-28 Leonard Palman SECURITY LOCK, ESPECIALLY FOR VEHICLES
DE2720713C2 (en) * 1977-05-07 1983-12-08 Daimler-Benz Ag, 7000 Stuttgart Operating device for door locks of motor vehicles
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JPS62101782A (en) * 1985-10-30 1987-05-12 株式会社　大井製作所 Door lock control apparatus for car
DE3639043C1 (en) * 1986-11-14 1988-01-28 Audi Ag Locking mechanism for motor-vehicle doors
DE3717778A1 (en) * 1987-05-26 1988-12-08 Bocklenberg & Motte Bomoro Motor-vehicle doorlock
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Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2752005A1 (en) 1996-07-30 1998-02-06 Kiekert Ag MOTOR VEHICLE DOOR CLOSURE WITH LOCK SYSTEM AND CLOSING SYSTEM
US5862691A (en) * 1996-07-30 1999-01-26 Kiekert Ag Key-position sensor for motor-vehicle latch
DE19702276B4 (en) * 1996-07-30 2007-01-25 Kiekert Ag Motor vehicle door lock with lock system and locking system, which has a device for querying the functional position of the lock cylinder, which operates with Hall sensors
DE19702275B4 (en) * 1996-07-30 2007-01-25 Kiekert Ag Motor vehicle door lock with lock system which has a device for querying the functional position of the lock cylinder, which operates with Hall sensors
GB2316436A (en) * 1996-08-24 1998-02-25 Kiekert Ag A motor vehicle door lock
US5865049A (en) * 1996-08-24 1999-02-02 Kiekert Ag Hall-effect key-position sensor for motor-vehicle latch
DE19702206C2 (en) * 1996-08-24 2000-08-03 Kiekert Ag Motor vehicle door lock with lock system and lock system, which has a device for querying the functional positions of the lock cylinder, which works with Hall sensors
US6550295B2 (en) 2001-02-24 2003-04-22 Huf Hülsbeck & Fürst Gmbh & Co. Kg Modular external door handle unit, especially for vehicles

Also Published As

Publication number Publication date
JPH0826712B2 (en) 1996-03-13
JPH0771147A (en) 1995-03-14
EP0447818A1 (en) 1991-09-25
DE59100267D1 (en) 1993-09-16
US5224364A (en) 1993-07-06
DE4008834C1 (en) 1991-07-11

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