EP0993535B1 - Device for transmitting mechanical control movements and/or electric signals between a door actuating device and a door closer device of a motor vehicle door - Google Patents

Description

The invention relates to a transmission device for electrical signals or combined electrical signals and mechanical actuating movements between a door operating device and a door locking device of a motor vehicle door.

A transmission device is known from EP 0 692 595 A1 for mechanical positioning movements between a door operating device and a door locking device Motor vehicle door known, which consists of a Bowden cable, the mechanical door functions of opening and closing and locking and unlocking devices from the door operating device transmits to the door locking device. A Operation of the outer door handle of the door operating device leads to a longitudinal movement of the inner cable of the Bowden cable and to an opening of the door locking device while turning the door lock into a rotating movement of the inner cable is implemented, the locking or unlocking the door locking device.

A transmission device known from JP 07 269 203 A between a door operator and one Door locking device of a motor vehicle door consists of an inner cable that transmits tensile forces in the axial direction and an outer tube surrounding the inner cable, which is rotatably arranged around the inner cable. An actuation of the outer door handle of the door operating device leads for an axial movement of the inner cable during a Rotation of the locking and unlocking mechanism the door operating device for a rotary movement of the outer tube in both directions of rotation and thus Locking and unlocking the door locking device causes.

In addition to a transmission of mechanical positioning movements between the door operating device and the door locking device a motor vehicle door is also the transmission electrical signals between the door operator and the door locking device for electrically operated Lock functions as well as for integrated in the outside door handle electrical parts such as heating the Door lock cylinder, an infrared transmitter or in the outside door handle Arranged LEDs to indicate remote locking required so that an electrical connection between the outside door handle and the door locking device or a control module connected to the door locking device must be manufactured. The electrical Components in the outer door handle in the simplest possible way and if possible via a door module integrated in the door body be contacted. A connection of the door locking device with the outside door handle or locking cylinder and / or infrared receiver by means of a through the wet room of the motor vehicle door separate cable harness Use a door module as there is no access to the wet room the motor vehicle door is more.

When arranging a door inner panel to separate the drying room the motor vehicle door from the wet room would be one of the door locking device extending to the outside door handle Cable block the mobility of the motor vehicle door window and could be torn off by the movement of the window pane become. In addition, the assembly of an appropriate Cables can only be accomplished with considerable circumstances.

DE 32 36 201 C2 discloses electrical functional elements a door handle like resistance heating for Lock cylinder, door lock lighting and microswitch via an electrically conductive plug connection with a Connection cable laid inside the door and thus with the To connect on-board electronics of a motor vehicle. By protected routing of the cables inside the door mechanical damage to the cable insulation during the Assembly and disassembly avoided and theft protection elevated.

In order to facilitate the assembly of the transmission device for electrical signals or combined electrical signals and mechanical actuating movements between the door actuation device and the door retention direction of a motor vehicle door, the transmission device should be designed in such a way that only a few manipulations, preferably from the outer door panel of the motor vehicle door, are required. When assembling the transmission device in this way, it should also be noted that, for reasons of security against theft, the transmission device may only be disassembled if the motor vehicle door has been opened beforehand.

The object of the present invention is a transmission device specify which optional or combined mechanical movements for the door functions of the Opening and closing as well as locking and unlocking and / or electrical signals for the mechanical door functions and additional electric lock functions both by means of electrical signals and combined using mechanical energy and electrical signals transmits and a simple assembly especially from the Allows outside of the motor vehicle door.

This object is achieved by the features of Claim 1 solved.

The solution according to the invention enables transmission of electrical signals or combines electrical signals and mechanical actuating movements between a door locking device and a door actuation device, which can be assembled from the outer panel of a motor vehicle door with little assembly effort and can only be dismantled when the motor vehicle door is open and is suitable both for the transmission of mechanical actuation energy and for electrical Suitable signals and energy.

By integrating multiple door functions in the Door actuation device becomes greater process security created. Access to the drying room of the motor vehicle door is through only one passage through the inner door panel, Carrier plate or door module created that easily can be sealed. Even when using a door module is an easy installation with full-surface cover of the carrier plate possible. For the transmission of electrical Signals when the door locking device is actuated electrically are no additional cables, contacts or Fastening and no additional plugging of contacts required.

Preferably, the one provided on the coupling element Plug over conductor tracks with the door operating device connected contacts for both door functions.

In a connection that transmits only electrical signals, the coupling element consists of an electrical connection with plugs at both ends. The electrical signals or electrical signals combined with a translational adjustment and / or rotary adjustment control electrical actuating elements for locking and unlocking and for opening the motor vehicle door or operate them in the event of additional transmission of electrical energy. For this purpose, the coupling element can have electrical conductor tracks for energy supply, for example a transmission of electrical energy. For this purpose, the coupling element can have electrical conductor tracks for energy supply, for example a lock cylinder heater.

The one provided on the coupling element can be a connector Paddles or a centering pin can be assigned to the Assembly of the transmission device without using separate Simplify cables, reliable assembly ensure and ensure that the transmission facility takes up little space, so less Process steps during assembly are required.

A paddle provided on the plug can be used in addition to Transmission of rotary movements between the door operating device and the door locking device used be, so that in addition to the centering function also a transmission mechanical actuation energy is created.

The coupling element can be used in a variety of ways can be, in particular in a rotationally adjustable version the coupling element, starting from a locking position, a first rotation angle range of the coupling element to unlock the motor vehicle door and one yourself then a second range of rotation angles for opening the motor vehicle door are used.

In a preferred embodiment, the door operating device a lock nut provided with contacts as assigned signal generating element, the contacts the lock nut can be operated with a key.

Alternatively, the door operating device can be used as signal-generating element as an infrared receiver trained sensory receiving device assigned be, with control signals for actuating the door functions received and forwarded. In addition or alternatively, the door operating device can have a light-emitting diode display to display a remote lock, the contacts of the coupling device with control electronics and possibly a voltage source connected is.

The one-piece transmission device, which is optionally suitable for the transmission of electrical signals or a combination of electrical signals and mechanical actuating movements, enables variable use in different door systems without the basic design principle having to be changed. Control signals for triggering the door functions of opening and closing as well as locking and unlocking the motor vehicle door as well as for transmitting electrical energy for electrical devices provided on the door actuation device, such as, for example, a lock heater, can be used with the transmission device.

Figur 1

eine schematisch-perspektische Explosionsdarstellung eines Teils einer Kraftfahrzeugtür;

Figur 2

eine schematische Darstellung verschiedener mechanischer und elektrischer Übertragungsfunktionen eines Kupplungselementes zwischen einer Türbetätigungseinrichtung und Türzuhaltevorrichtung;

Figur 3

einen Schnitt durch eine Kraftfahrzeugtür im Bereich der Türzuhaltevorrichtung und der Türbetätigungseinrichtung;

Figur 4

eine vergrößerte Darstellung der mechanischen Kraftübertragungseinrichtung der Türbetätigungseinrichtung und der Türzuhaltevorrichtung;

Figuren 5 und 6

Teilansichten von zwei Versionen des Kupplungselementes in verschiedenen Stellungen;

Figuren 7 und 8

verschiedene weiter Ausführungsformen eines mechanischen Kupplungselementes;

Figur 9

eine schematisch-perspektivische Darstellung eines Kupplungselementes zur elektrischen Signalübertragung;

Figuren 10 und 11

verschiedene Ausführungsformen der Kontaktanordnung an Kupplungselementen zur Übertragung elektischer Signale;

Figur 12

eine Anordnung der elektrischen Kontakte für den Schließzylinder bzw. Infrarotempfänger an einem Türschloß;

Figur 13

einen Längsschnitt durch eine Türbetätigungseinrichtung mit einem Schließzylinder und einem elektrische Signale übertragenden Kupplungselement und

Figur 14

einen Längsschnitt durch eine Türbetätigungseinrichtung mit einem Infrarotempfänger und einem elektrische Signale übertragenden Kupplungselement.

The idea on which the invention is based will be explained in more detail with reference to exemplary embodiments shown in the drawing. Show it:

Figure 1

a schematic-perspective exploded view of part of a motor vehicle door;

Figure 2

is a schematic representation of various mechanical and electrical transfer functions of a coupling element between a door operating device and door locking device;

Figure 3

a section through a motor vehicle door in the region of the door locking device and the door operating device;

Figure 4

an enlarged view of the mechanical power transmission device of the door operating device and the door locking device;

Figures 5 and 6

Partial views of two versions of the coupling element in different positions;

Figures 7 and 8

various other embodiments of a mechanical coupling element;

Figure 9

a schematic perspective view of a coupling element for electrical signal transmission;

Figures 10 and 11

different embodiments of the contact arrangement on coupling elements for the transmission of electrical signals;

Figure 12

an arrangement of the electrical contacts for the lock cylinder or infrared receiver on a door lock;

Figure 13

a longitudinal section through a door actuator with a lock cylinder and an electrical signal transmitting coupling element and

Figure 14

a longitudinal section through a door operating device with an infrared receiver and an electrical signal transmitting coupling element.

Figure 1 shows a schematic-perspective exploded view part of a motor vehicle door with a door body 12, which consists of an outer door panel 1 and an inner door panel 2 exists, with a not shown Interior door trim and one in a window frame 10 guided window pane 100. The modular structure of the vehicle door allows extensive pre-assembly of individual parts and assemblies as well as a much improved Preliminary check of the existing function groups.

In the area of a door locking device 4 of the door body 12, an embossing is provided in the inner door panel 2, which in the cavity of the door is directed and receives the door lock. Between that of an outside door handle 31 and one Lock cylinder 30 existing door operating device 3rd and the door locking device 4 is a coupling element 5 provided that is guided through the inner door panel 2, the separates the wet room from the drying room of the motor vehicle door.

To take advantage of the separation of wet and dry rooms the inner door panel 2 or a support plate for receiving the Fully utilize functional elements of the motor vehicle door, are as many as possible and especially the electrical ones Components arranged on the drying room side. The dry room designs the functional assemblies are essential cheaper than the more complex wet room designs.

The slot 33 of the door lock 4 engages in one of the B-pillar 11 (or in the case of a rear door of the C-pillar) of the Vehicle-mounted locking element 34. Furthermore, that is Door lock 4 via a coupling rod, not shown with the handle of an internal unlocking device, and if necessary with a cable for supply the vehicle door with electrical energy and signals and with mutually aligned contact elements 35, 36 connected to a power source and / or a electronic control unit are connected.

The coupling element 5 can be inserted from the outside of the door and can be connected to elements of the door locking device that disassembly only when the vehicle door is open is possible.

The different ways of transferring door functions by means of a one-piece coupling element 5a to 5d are shown schematically in FIG. 2.

Figure 2a shows a one-piece coupling element 5a for combined Transmission of mechanical energy and electrical Signals. The coupling element 5a is rotatable and has electrical contacts 9a and 9b at its ends which are connected to one another via conductor tracks. The arranged at the ends of the coupling element 5a electrical Contacts 9a and 9b are on the one hand with one on the Door actuating device arranged signal generator and on the other hand with one arranged in the door locking device electrical actuator in connection. Preferably the rotational movement of the coupling element 5a for the transmission of mechanical energy for locking and unlocking the motor vehicle door and the electrical connection for switching an electrical actuator for used the opening of the motor vehicle door.

Furthermore there is the possibility of the electrical connection also for the transmission of electrical energy, for example for the power supply of a lock heater and / or to receive or deliver control signals for an im Outside door handle installed infrared receiver or transmitter as well as for an LED display to indicate remote locking to use.

Figure 2b shows a one-piece coupling element 5b, the also combines mechanical energy and electrical Signals from the door operating device to the door locking device transfers. In this embodiment, the coupling element 5b adjustable in translation or in axial Movable direction and carries at its end electrical contacts 9c and 9d, which are connected via conductor tracks are interconnected. The electrical contacts 9c and 9d are on the one hand with one in the door operating device arranged signal generator and on the other hand with an electrical connected to the door locking device Actuator in connection. The electrical connection is preferably used in this embodiment Switching the electrical actuator for the purpose the locking and unlocking of the motor vehicle door while the Transfer of mechanical energy through a sliding movement is used to open the motor vehicle door.

Figure 2c shows a one-piece coupling element 5c, which is designed as an electrical connection with plugs 9e and 9f at both ends. This coupling element 5c can be used exclusively for the transmission of electrical signals as well as for the combined transmission of mechanical energy and electrical signals. The electrical signals or the combination of electrical signals and mechanical actuation energy are used to control and / or operate electrical actuation elements in the door actuation device and the door locking device for the purpose of locking and unlocking and for opening the motor vehicle door.

A variant is the connection of the one plug 9e with a circuit board 18 on the door operating device, about the control signals for an infrared receiver as a signal generating Element for example to trigger the Door functions received by an infrared transmitter and forwarded and / or LEDs in the outside door handle for display can be controlled by a remote lock. With a combination Both signals become the switching state of the infrared receiver to control the central locking, i.e. the transmission of the received signal is displayed.

Figure 2d shows a one-piece coupling element 5d for transmitting rotary movements, starting from a locking position, a first angle of rotation range α ₁ for unlocking and a subsequent second angle of rotation range α _{2 is used} to open the motor vehicle door.

The coupling element 5d has on one, in the Door actuator arranged end electrical Sliding contacts 9g on, for example, electrical Energy is transferred to a lock heater. To the another, arranged in the area of the door locking device At the end there are 9h contact plugs that are electrically connected a corresponding contact socket can be connected, which in the coupling connectable to the paddle are arranged.

The variants of a coupling element described above between door locking device and door operating device show different connection options, which can still be varied.

Figure 3 shows a section through a motor vehicle door an outer door panel 1 and the wet room from the drying room the door inner panel separating the motor vehicle door 2. On the outer door panel 1, a door operating device 3 is attached, which contains a lock cylinder 30 and an outer door handle 31. There is one in the dry room area of the motor vehicle door Door locking device (door lock) 4 with the inner door panel 2 connected, the door locking device 4 in the usual Way a housing, closing elements, locking elements and actuators for the locking elements comprises and the closing elements, for example from a Rotary or fork latch and consist of a pawl and the locking elements, if necessary, a servomotor for can include a central locking system.

The connection between the actuator 3 and the door locking device 4 takes place by means of a coupling element 5, in this embodiment as a transmission lever is trained. The transmission lever 5 transmits Rotational movements of the lock cylinder 30 and translational Adjustment movements of the outer door handle 31, the by means of an outer door handle claw attached to the outer door handle 31 32 are transferred to the transmission lever 5.

The implementation of the transmission lever 5 through the inner door panel 2 is sealed by means of a sealing sleeve 6, so that the only penetration of the inner door panel for transferring the door functions from the operating device 3 to the door locking device 4 completely is sealed and therefore no interruption of the separation of the wet room from the drying room of the motor vehicle door.

On the drying room side, the transmission lever 5 in Area of the door locking device 4 microswitches 71, 72 and a pawl actuating lever 81 assigned.

Details of the connection mechanism between the actuator 3 and the door locking device 4 are the Figure 4 can be seen.

The outer door handle claw connected to the outer door handle 31 32 abuts a flange 50 of the transmission lever 5, which is a fork-shaped opening 55 for positive connection with one connected to the lock cylinder 30 Lock cylinder transmission lever 300 has. A Operation of the outer door handle 31 in the direction of the double arrow A leads to an actuation path S for translational Adjustment of the transmission lever 5. This actuation path S also becomes the center of an end plate 53 of the transmission lever 5 transferred to the pawl operating lever 81.

As a result of the positive connection of the lock cylinder transmission lever 300 with the fork-shaped opening 55 of the transmission lever 5 is a rotary movement of the lock cylinder 30 on switching cams 51, 52 of the transmission lever 5 for the microswitches 71, 72 and via a shaft the end plate 53 on an actuating lever 82 for the locking mechanism transfer.

Figures 5 and 6 show two versions of the transmission the rotational movement of the end lever 53 of the transmission lever 5 in a view B according to FIG. 4.

A first version of the connection shown in Figure 5 the transmission lever 5 with the operating lever 82 for the locking mechanism and the pawl operating lever 81 shows in thick solid lines the position in the transmission lever 5 engages with the operation for the pawl while rotating the transfer lever 5 by approx. 90 ° in the direction of arrow C Transmission lever 5 corresponding to the thinly drawn out Lines out of engagement with the pawl operating lever 81 is.

In a second version, Figure 6 shows in thick lines Lines the connection of the end plate 53 of the transmission lever 5 with the actuating lever 82 for the locking mechanism as well as in thin lines in one position, in which the transmission lever 5 is not in engagement with the Actuation lever for the locking mechanism is. The Pawl operating lever 81 is rotated the end plate 53 of the transmission lever 5 does not touch it is caused by translational adjustment movements of the transmission lever 5 according to Figure 4 by the actuation path S for Pawl actuation adjusted.

FIGS. 7 and 8 show two further embodiments the connection of the transmission lever 5 with the outside door claw 32 and the lock cylinder transmission lever 300 shown, the transmission lever 5 firmly with the Door lock is connected. Unlocking the door lock is preferably by means of a lock cylinder transmission lever transferred to the transmission lever Rotary movement and the opening of the door lock by one by means of the outer door handle claw connected to the outer door handle causes.

FIG. 7 shows a transmission angle that is angled at the end 501, which is in a socket 304 of the lock cylinder transmission lever 301 is guided and with the angled End protrudes from a slot 305 of the socket 304. The angled end of the connected to the outside door handle Door outer grip claw 32 engages at the angled end of the Transmission lever 501 and performs an adjustment movement in the direction of the double arrow F to a translatory Adjustment of the transmission lever 501 by the adjustment path S through the slot 305 in the socket 304 of the Lock cylinder transmission lever 301 is specified.

A rotary movement of the lock cylinder transmission lever 301 in the direction of arrow M leads through the slotted Bushing 304 of the lock cylinder transmission lever 301 too entrainment of the transmission lever 501 and thus also to a rotary movement of the transmission lever 501, the is preferably clipped into the socket 304 to the Simplify assembly.

Figure 8 shows an embodiment of the transmission mechanism for translatory and rotary adjustment a transmission lever 502, the end of which is in a fork-shaped Opening 306 of a lock cylinder transmission lever 302 is arranged. The one connected to the outside door handle Door outer grip claw 32 has one around with the door lock connected transmission lever 502 gripping fork, which is a translational adjustment in the direction of the double arrow F via a collar 504 on the transmission lever 5 transmits. A non-positive and / or positive connection of the transmission lever 502 with the socket 306 of the Lock cylinder transmission lever 302 is used for transmission of rotary movements of the locking cylinder, which means transfer lever 502 to the door lock become.

Various embodiments are shown in FIGS a transmission device for the electrical coupling of the Door operating device with the door locking device shown.

Figure 9 shows a transmission lever 5 with a sealing sleeve 6 to seal the passage of the transmission lever 5 through the inner door panel. At the end of the transfer lever 5, a plug contact 9 is provided for contacting the transmission device with the door operating device or door locking device is used. The plug contact 9 has a plurality of contacts 90 on the circumference of the plug contact 9 and several sockets 91, both for signal transmission as well as for the transmission of electrical Energy for example to lock cylinder heating, where a different contact area makes a distinction between signal transmission and energy transmission allows. The connector is constructed so that Right-left equality exists. The opposite end the transmission lever 5 is with a corresponding provided mirror-symmetrical plug contact 9.

Figures 10 and 11 show variants of the design the plug device with contact surfaces 92 and 93 for signal and / or energy transfer.

Figure 12 shows a schematic plan view of a lock nut 40 of a door locking device, in the form of a ring several contacts 90 for the locking cylinder or one Infrared receivers are arranged. To center the Coupling element or transmission lever 5 is used centering lever engagement arranged centrally in the lock nut 40 50th

13 and 14 are two exemplary embodiments for the connection of a coupling element with a locking cylinder or an infrared receiver.

FIG. 13 shows one that can be operated by means of a key 15 Lock cylinder 30, the cable 96, 97 with a Plug contact 9 is connected. In the plug contact 9 are Cable connected to contacts 94, 95, which are constructed in this way are that a longitudinal compensation with inserted into the contacts 94, 95 Plugs is possible, so that tolerances in the axial Direction can be compensated.

A paddle 500 is connected to the Lock cylinder 30 connected and is used for guidance and Centering the coupling element with and in the door lock as well as, if necessary, the transfer of mechanical Energy to trigger the door functions opening / closing, Locking / unlocking or a safe circuit.

A lock heater 17 has additional electrical Contacts fed with energy from the electrical system, the Connection also via electrical contacts of the coupling element he follows.

Figure 14 shows an arrangement in which instead of the lock cylinder 30 and the paddle 500 an infrared receiver 16 in connection with one connected to the plug 9 Centering pin 505 is provided instead of the paddle 500 in the centering engagement 50 according to the lock nut Figure 12 intervenes and only centering functions exercises.

The electrical signals shown in Figures 9 to 14 as well as mechanical and electrical energy transfer Coupling elements preferably allow easy assembly from the outside of the door without using separate Cables. By automatically centering the contacts Via the paddle 500 or the centering pin 505 there is a reliable assembly. In addition, the arrangement takes takes up little space, so fewer process steps assembly are required.

The solution according to the invention is particularly advantageous in Connection with a door module, but also advantageous for conventional doors can be used without a door module. Using of a door module is the electrical contact Parts in the outside door handle by the solution according to the invention only possible at all because a cable for contacting cannot be used because the door window is in the way.

Other variants are that instead of one Lock cylinder only an arrangement of lamps in the Outside door handle takes place, for example in the case of central locking. The electrical contacts are used for transmission of signals and electrical energy, for example a transponder if a transponder electronics in the Door electronics is integrated. Furthermore, an energy transfer to an exterior display for central locking respectively.

References list

1

Outer door panel

2

Inner door panel

3

Door actuator

30

lock cylinder

300

Lock barrel transmission lever

301

Lock barrel transmission lever

302

Lock barrel transmission lever

304

Rifle

305

slot

306

forked opening

31

Outside door handle

32

Outside door handle claw

33

Slit of the door lock

34

closing element

35

contact elements

36

contact elements

4

door closing

40

lock follower

5-5D

coupling member

50

Transmission lever flange

500

paddle

501

transmission angle

502

transmission lever

504

Federation

505

Centering

51

switching cams

52

switching cams

53

End plate of the transmission lever

55

forked opening

6

gasket

71

microswitch

72

microswitch

81

Pawl actuating lever

82

Operating lever for the locking mechanism

84

balancing spring

9

plug

9a-h

contacts

90

contacts

91

sockets

92

contact area

93

contact area

94

Contact

95

Contact

96

electric wire

97

electric wire

10

window frame

11

B-pillar

12

door body

15

key

16

Infrared receiver

17

Closed heating

18

circuit board

100

windowpane

Claims (10)

1. Arrangement for transferring electrical signals or combined electrical signals and mechanical setting movements consisting of a door operating device which is mounted on the exterior door panel (1) of a motor vehicle door, a door closing device which is mounted on an interior door panel (2) or a support plate, and a transfer device with a coupling element (5; 5a-5d) which is designed in one piece and is capable of translation and/or rotational displacement and which transfers electrical signals or combined electrical signals and mechanical setting movements between the door operating device (3) and the door closing device (4) for the two mechanical door functions opening/closing and locking/unlocking and which is provided with at least one plug (9a-9h) which is connectable with an electrical contacting site arranged on the door closing device (4) or on the support plate, wherein through the electrical contacting site

   electrical signals are transferable for both door functions, or

   electrical signals are transferable for the one door function whilst the other door function can be transferred rotationally or in translation in the form of a mechanical setting movement through the coupling element (5; 5a-5d).
2. Transfer device according to claim 1 characterised in that electrical energy for feeding component parts on or in the door operating device (3) can be transferred through the electrical contacting site.
3. Transfer device according to claim 1 or 2 characterised in that the plug (9; 9a-9h) has contacts (94;95) connected to the door operating device (3) through conductor paths for both door functions and/or voltage connections for component parts of the door operating device (3).
4. Transfer device according to at least one of the preceding claims characterised in that a paddle (500) or a centring pin (505) is associated with the plug (9; 9a-9h).
5. Transfer device according to claim 4 characterised in that the paddle (500) transfers a rotational movement.
6. Transfer device according to one of the preceding claims characterised in that the coupling element (5d) is rotationally displaceable and starting from a locking position a first rotary angular area (α₁) unlocks the vehicle door and an adjoining second rotary angular area (α₂) opens the vehicle door.
7. Transfer device according to one of the preceding claims characterised in that a lock nut (40) provided with contacts (90) is associated with the door operating device (3) as signal-generating element wherein the contacts (90) are operable by a key (15).
8. Transfer device according to one of the preceding claims 1 to 6 characterised in that a sensor-type receiving device formed as an infrared receiver (16) is associated with the door operating device (3) as signal-generating element through which control signals are received and forwarded for triggering the door functions.
9. Transfer device according to one of the preceding claims characterised in that the door operating device (3) has a light diode display for displaying a remote control locking which is connected through contacts of the coupling device to a control electronics and where applicable to a voltage source.
10. Transfer device according to one of the preceding claims characterised in that the coupling element (5) has electrical conductor paths for supplying energy to a heater (17) for a lock barrel (30).

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