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EP2191945A2 - Device for separating the adhesive beaded rim of fixed windows - Google Patents

Device for separating the adhesive beaded rim of fixed windows Download PDF

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Publication number
EP2191945A2
EP2191945A2 EP20090177355 EP09177355A EP2191945A2 EP 2191945 A2 EP2191945 A2 EP 2191945A2 EP 20090177355 EP20090177355 EP 20090177355 EP 09177355 A EP09177355 A EP 09177355A EP 2191945 A2 EP2191945 A2 EP 2191945A2
Authority
EP
European Patent Office
Prior art keywords
cutting means
winding device
drive
winding
adhesive bead
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP20090177355
Other languages
German (de)
French (fr)
Other versions
EP2191945A3 (en
EP2191945B1 (en
Inventor
Olaf Klabunde
Joachim Clabunde
Jürgen Blickle
Bernd Mayer
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.)
C&E Fein GmbH and Co
Original Assignee
C&E Fein GmbH and Co
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 C&E Fein GmbH and Co filed Critical C&E Fein GmbH and Co
Publication of EP2191945A2 publication Critical patent/EP2191945A2/en
Publication of EP2191945A3 publication Critical patent/EP2191945A3/en
Application granted granted Critical
Publication of EP2191945B1 publication Critical patent/EP2191945B1/en
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26B—HAND-HELD CUTTING TOOLS NOT OTHERWISE PROVIDED FOR
    • B26B7/00—Hand knives with reciprocating motor-driven blades
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26B—HAND-HELD CUTTING TOOLS NOT OTHERWISE PROVIDED FOR
    • B26B27/00—Hand cutting tools not provided for in the preceding groups, e.g. finger rings for cutting string, devices for cutting by means of wires
    • B26B27/002—Tools using wires as cutting means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D1/00—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor
    • B26D1/01—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work
    • B26D1/547—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a wire-like cutting member
    • 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
    • Y10T156/00—Adhesive bonding and miscellaneous chemical manufacture
    • Y10T156/11—Methods of delaminating, per se; i.e., separating at bonding face
    • Y10T156/1168—Gripping and pulling work apart during delaminating
    • Y10T156/1179—Gripping and pulling work apart during delaminating with poking during delaminating [e.g., jabbing, etc.]
    • Y10T156/1184—Piercing layer during delaminating [e.g., cutting, etc.]
    • 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
    • Y10T156/00—Adhesive bonding and miscellaneous chemical manufacture
    • Y10T156/19—Delaminating means
    • Y10T156/1961—Severing delaminating means [e.g., chisel, etc.]
    • Y10T156/1967—Cutting delaminating means
    • 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
    • Y10T83/00—Cutting
    • Y10T83/04—Processes
    • 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
    • Y10T83/00—Cutting
    • Y10T83/929—Tool or tool with support
    • Y10T83/9292—Wire tool

Definitions

  • the invention relates to a device for severing an adhesive bead of a disc, in particular a vehicle window, with a motor-driven winding device, with a coil for winding a cutting means in the working direction for severing the adhesive bead.
  • a device of the aforementioned type is known from DE 10 2006 013 417 A1 known.
  • the device according to the invention will be explained in more detail below with reference to an exemplary embodiment, which refers to a detachment of a windshield, it is understood that this is not to be understood as limiting and rather, the device is generally applicable to the removal of glued-in panes, eg in motor vehicles, buildings, railway trains, cable car cabins, aircraft and ships.
  • the windscreens are connected by an adhesive bead of a polyurethane adhesive or other suitable adhesive firmly with a circumferential body flange.
  • the adhesive bead consists of such a strong adhesive that in conjunction with the windshield, the mechanical stability of the vehicle is increased. It is understood that the separation of the adhesive due to its high strength and toughness is thus relatively complex.
  • the winding device is supported by means of a support on the body flange, while the winding device is driven to cut through the adhesive bead gradually.
  • the winding device is guided along with the support according to the progress of the cutting process along the body flange.
  • a universal motor is used in conjunction with a reduction gear to ensure the necessary tensile force on the cutting means and to allow slow wrapping. Because of the support of the winding device on the body flange of the removal process usually has to be interrupted several times before it can be further worked after appropriate implementation of the winder at another point. For this purpose, it is sometimes necessary to pull the cutting means against the working direction again from the winding device. As a result of in the Usually existing reduction gear this requires a considerable effort.
  • the invention is therefore an object of the invention to provide an improved device for severing the adhesive bead of a disc, with a possible power-saving and easy work is possible.
  • the winding device has a strain relief device for the cutting means, which allows withdrawal of the cutting means from the winding device against the working direction.
  • cutting means is to be understood as meaning any wire or even any cord which is basically suitable for severing the adhesive bead of a vehicle window. This means that the cutting means must have sufficient resistance to tearing and bending and, if appropriate, be provided with a suitable coating or suitable surface features in the form of tooth approaches or the like in order to assist the cutting process. It is understood, however, that the term “cutting means” is also to be understood as a suitable cord made of plastic or another material.
  • the winding device on a drive which is switchable to the strain relief of the cutting means between clockwise and counterclockwise rotation.
  • the strain relief on a mechanical overrunning clutch is provided.
  • the drive is coupled to a controller with a switch for switching on the drive, which is designed such that the drive is rotated after being switched off for a certain period of time counter to the working direction.
  • the coil When the drive is switched off, the coil thus rotates automatically against the working direction for a limited time. The user can thus retract the winder without much effort.
  • the controller is designed such that the drive rewinds the cutting means back to the initial state, if after pulling off the drive no tensile force is exerted on the cutting means.
  • the drive is coupled to a controller with a switch for switching on the drive, which is designed such that the cutting means is unwound after switching off the drive when a tensile force is exerted on the cutting means.
  • the user is provided a particularly convenient way to retract the cutting means. If no tensile force is exerted on the cutting means, so also remains unwinding, so that incorrect operations are avoided and also jamming of the cutting means in the coil is reliably avoided.
  • control is in this case designed such that the cutting means is unwound the faster, the greater the tensile force exerted on the cutting means.
  • the unwinding is terminated when no more pulling force is exerted on the cutting means.
  • a signal means is provided which signals activation of the strain relief device.
  • the cutting means is again unwound from the spool, so that it can coordinate its movement with the winding device in a suitable manner. It can be about one act optical and / or acoustic signaling agent. Furthermore, the winding device can also be put into vibration, for example, in order to signal a user to this operating mode.
  • the drive has, according to a further embodiment of the invention, an overload protection whose response is indicated via a signal means.
  • the overload protection responds so that he can take appropriate action.
  • the cutting means may be jammed between the body flange and the vehicle window or jammed in the coil.
  • the signal means may be the same signal means already mentioned above or another signaling means, so that the user can distinguish the response of the overload protection from the activation of the strain relief device. It may therefore be, for example, different acoustic and / or optical signals.
  • the overload protection for example, have a mechanically releasable coupling. In this way, an overload of the drive is avoided in a simple and reliable manner.
  • the winding device has a coupled to the coil drive, and further comprises a handle at a first end, wherein at a second end opposite the handle a removable support for guiding the winding device to a frame, glued to the vehicle window is, or is provided on the adhesive bead itself.
  • a trigger switch which can be actuated by a pusher and which is coupled to the controller for controlling the take-up speed.
  • the winding device has a housing that widens approximately wedge-shaped, starting from the support to the handle.
  • This measure helps ensure that the winding device can be attached to the support on the body flange even under geometrically unfavorable conditions, since larger-volume parts of the winding device are arranged further away from the support.
  • the support can be exchanged for another, more suitable, support.
  • a device according to the invention is designated overall by the numeral 10.
  • the device 10 comprises a winding device 24 for winding a cutting means 18, which serves for severing an adhesive bead 34 of a vehicle window 12.
  • the vehicle window 12 may be, for example, a windshield of a motor vehicle, which is glued to a body flange 14 by means of the adhesive bead 34, which consists of a very tough plastic material, such as polyurethane adhesive.
  • the adhesive bead 34 is extremely stable and contributes to the inherent stability of the vehicle.
  • the winding device 24 has a housing 20, at one end of a handle 22 is provided. Starting from the handle 22, the housing 20 tapers according to Fig. 3 approximately wedge-shaped toward the opposite end to which a support 32 is removably attached.
  • the cutting means 18 can be wound by means of an electric drive 26 on a spool 28 or unwound therefrom. To guide the cutting means 18 to the coil 28 are on the support 32, two guide rollers 50, 52 provided by the largely tangential winding of the cutting means 18 is ensured on the spool.
  • the cutting means 18 is first guided completely around the adhesive bead 34 from the outside. Then we fixed a first end either from the outside to a stationary vehicle part, for example on the windshield wiper shaft or with the help of a suction cup on the vehicle window itself from the outside or from the inside, for which a previous execution by the adhesive bead 34 is required. Then, the second end of the cutting means 18 is passed through the adhesive bead 34 and attached to the winding device 24. The winding device 24 is now supported with its support 32 on the frame or body flange 14 and the drive of the winding device 26 is actuated.
  • the cutting means 18 is gradually pulled through the adhesive bead 34, so that it is severed.
  • the angle 42 between the cutting means 18 and the body flange 14 should be kept as small as possible, whereby a good cutting action is achieved.
  • the winding device 24 is thus gradually guided along with the support 32 along the frame 14 according to the progress of the cutting process, so that the angle between the cutting means and body flange 14 is not too large, as in Fig. 1 indicated by the dashed line position of the cutting means 18 'and the angle 42'. It is also conceivable to guide the support 32 along the adhesive bead 34.
  • the support 32, on which the guide rollers 50, 52 are provided, by means of a clamping device 80 removably attached to the housing 20 of the winding device 24 is fixed (see. Fig. 2 ).
  • the drive 26 has a DC motor 27, which is coupled via a gear 29 with the coil 28 to the drive.
  • the motor 27 is powered by an accumulator 30 with power, which is removably attached to the housing 20. It will be understood, however, that instead of this a mains powered version may be used or that any other suitable type of drive, e.g. a compressed air drive can be used.
  • the cutting means 18 When driving the spool 28, the cutting means 18 is wound in the working direction via the guide rollers 50, 52 through an opening 70 on the spool 28.
  • the housing 20 of the winding device 24, starting from the handle 22 tapers approximately wedge-shaped with an angle ⁇ of about 13 ° to the opposite end, to which the support 32 is attached.
  • the angle ⁇ is preferably in a range of about 10 to 30 °.
  • the winding device 24 is formed at its the body flange 14 during use facing the end relatively narrow, so that a support on the frame or body flange 14 even with obstacles, as they occur on dashboards, is relatively easy. It is understood that for this purpose a respective suitable support 32 can be used, which is adapted to the geometric conditions in the respective vehicle model.
  • the removal process by winding the cutting means 18 on the spool 28 in the working direction must usually be interrupted several times, since the winding device 24 must be moved past obstacles on the dashboard and must be re-attached to the support 32 on the frame or body flange 14. Partial this is an intermediate withdrawal of the cutting means 18 from the coil 28 is required.
  • the strain relief device 36 may comprise a mechanical one-way clutch, which is directly coupled to the transmission 29. Thereby, a withdrawal of the cutting means 18 is made possible from the coil 28 when the drive 26 is not activated.
  • the winding device 24 is provided with an intelligent controller 46, which detects when the drive 26 is switched off that a force is exerted on the cutting means 18 in order to pull it out of the coil 28.
  • the winding device 24 supports the user in this case by the coil 28 is driven counter to the working direction, so that the cutting means 18 is unwound from the coil 28 again.
  • the arrangement is preferably now made so that the cutting means 18 is unwound the faster, the greater the tensile force exerted on the cutting means 18.
  • the unwinding process is terminated as soon as the user no longer pulls on the winding device 24, or when a switch 44 for activating the drive 26 is actuated.
  • the switch 44 is designed as a throttle switch and is according to Fig. 4 received directly on the handle 22.
  • the accelerator switch 44 is actuated by a pusher. Via the accelerator switch 44, the user can control the desired reel speed and thus the cutting speed.
  • Integrated in the drive train is also a mechanical clutch, the in Fig. 4 indicated by 49.
  • the coupling 49 protects the cutting means 18 against overload and breakage.
  • This overload protection 49 triggers as soon as the maximum permissible tensile force on the cutting means 18 is reached. If the overload protection 49 triggers, this is signaled to the user, for which purpose an optical and / or acoustic signal means 48 is provided. Even if the strain relief device 36 is activated to pull the cutting means against the working direction of the coil 28 to be able to, this is indicated by a corresponding signal, to which also the signal means 48 can be used. For example, different beeps may be used to activate the strain relief device 36 and to activate the overload protection 49. Alternatively, a mechanical display, for example in the form of a ratchet or a vibration can be used.

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Forests & Forestry (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Automobile Manufacture Line, Endless Track Vehicle, Trailer (AREA)
  • Replacement Of Web Rolls (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)

Abstract

The device (10) has a motor-driven winding-up device (24) including a coil (28) for winding up a cutting unit (18) i.e. wire, in a working direction for cutting through an adhesive bead (34). The winding-up device includes a strain relief device that allows the cutting unit to be withdrawn from the winding-up device opposite to the working direction. An electric drive (26) is switchable between clockwise and counterclockwise rotation for strain relief of the cutting unit. The electric drive is connected with an intelligent control. An independent claim is also included for a method for cutting through an adhesive bead of a vehicle pane.

Description

Die Erfindung betrifft eine Vorrichtung zum Durchtrennen eines Klebewulstes einer Scheibe, insbesondere einer Fahrzeugscheibe, mit einer motorisch antreibbaren Wickeleinrichtung, mit einer Spule zum Aufwickeln eines Schneidmittels in Arbeitsrichtung zum Durchtrennen des Klebewulstes.The invention relates to a device for severing an adhesive bead of a disc, in particular a vehicle window, with a motor-driven winding device, with a coil for winding a cutting means in the working direction for severing the adhesive bead.

Eine Vorrichtung der vorstehend genannten Art ist aus der DE 10 2006 013 417 A1 bekannt.A device of the aforementioned type is known from DE 10 2006 013 417 A1 known.

Auch wenn die erfindungsgemäße Vorrichtung im Folgenden an Hand eines Ausführungsbeispiels näher erläutert wird, das auf ein Austrennen einer Windschutzscheibe Bezug nimmt, so versteht es sich, dass dies nicht einschränkend zu verstehen ist und dass die Vorrichtung vielmehr allgemein beim Austrennen von eingeklebten Scheiben verwendbar ist, z.B. in Kraftfahrzeugen, Gebäuden, Eisenbahnzügen, Seilbahnkabinen, Flugzeugen und Schiffen.Although the device according to the invention will be explained in more detail below with reference to an exemplary embodiment, which refers to a detachment of a windshield, it is understood that this is not to be understood as limiting and rather, the device is generally applicable to the removal of glued-in panes, eg in motor vehicles, buildings, railway trains, cable car cabins, aircraft and ships.

Bei modernen Kraftfahrzeugen sind die Windschutzscheiben durch einen Klebewulst aus einem Polyurethankleber oder einem anderen geeigneten Kleber fest mit einem umlaufenden Karosserieflansch verbunden. Der Klebewulst besteht aus einem derart festen Kleber, dass in Verbindung mit der Windschutzscheibe die mechanische Stabilität des Fahrzeugs erhöht wird. Es versteht sich, dass die Durchtrennung des Klebers infolge seiner hohen Festigkeit und Zähigkeit somit relativ aufwändig ist.In modern motor vehicles, the windscreens are connected by an adhesive bead of a polyurethane adhesive or other suitable adhesive firmly with a circumferential body flange. The adhesive bead consists of such a strong adhesive that in conjunction with the windshield, the mechanical stability of the vehicle is increased. It is understood that the separation of the adhesive due to its high strength and toughness is thus relatively complex.

Da Windschutzscheiben infolge von Steinschlagschäden oder anderen Beschädigungen jedoch relativ häufig ausgetauscht werden müssen, ist es erforderlich, für jedes Fahrzeug eine geeignete Vorrichtung bzw. ein geeignetes Verfahren zum Ausglasen der Windschutzscheibe bereitzustellen.However, since windshields must be replaced relatively frequently due to stone chip damage or other damage, it is necessary to provide for each vehicle a suitable device or method of glass blowing out the windshield.

Bei der eingangs genannten Vorrichtung wird die Wickeleinrichtung mittels einer Stütze am Karosserieflansch abgestützt, während die Wickeleinrichtung angetrieben wird, um den Klebewulst nach und nach zu durchtrennen. Hierbei wird die Wickeleinrichtung mit der Stütze entsprechend des Fortschrittes des Schneidvorgangs am Karosserieflansch entlang geführt.In the device mentioned above, the winding device is supported by means of a support on the body flange, while the winding device is driven to cut through the adhesive bead gradually. Here, the winding device is guided along with the support according to the progress of the cutting process along the body flange.

Zum Antrieb einer derartigen Vorrichtung wird in der Regel ein Universalmotor in Verbindung mit einem Untersetzungsgetriebe verwendet, um die notwendige Zugkraft auf das Schneidmittel zu gewährleisten und ein langsames Einwickeln zu ermöglichen. Wegen der Abstützung der Wickeleinrichtung am Karosserieflansch muss der Austrennvorgang in der Regel mehrfach unterbrochen werden, bevor nach entsprechender Umsetzung der Wickeleinrichtung an einer anderen Stelle weitergearbeitet werden kann. Hierzu ist es teilweise erforderlich, das Schneidmittel entgegen der Arbeitsrichtung wieder aus der Wickeleinrichtung herauszuziehen. Infolge des in der Regel vorhandenen Untersetzungsgetriebes ist hierzu ein erheblicher Kraftaufwand notwendig.To drive such a device usually a universal motor is used in conjunction with a reduction gear to ensure the necessary tensile force on the cutting means and to allow slow wrapping. Because of the support of the winding device on the body flange of the removal process usually has to be interrupted several times before it can be further worked after appropriate implementation of the winder at another point. For this purpose, it is sometimes necessary to pull the cutting means against the working direction again from the winding device. As a result of in the Usually existing reduction gear this requires a considerable effort.

Der Erfindung liegt somit die Aufgabe zugrunde, eine verbesserte Vorrichtung zum Durchtrennen des Klebewulstes einer Scheibe zu schaffen, mit der ein möglichst Kraft sparendes und einfaches Arbeiten ermöglicht ist.The invention is therefore an object of the invention to provide an improved device for severing the adhesive bead of a disc, with a possible power-saving and easy work is possible.

Diese Aufgabe wird bei einer Vorrichtung gemäß der eingangs genannten Art erfindungsgemäß dadurch gelöst, dass die Wickeleinrichtung eine Zugentlastungseinrichtung für das Schneidmittel aufweist, die ein Herausziehen des Schneidmittels aus der Wickeleinrichtung entgegen der Arbeitsrichtung erlaubt.This object is achieved in a device according to the aforementioned type according to the invention that the winding device has a strain relief device for the cutting means, which allows withdrawal of the cutting means from the winding device against the working direction.

Die Aufgabe der Erfindung wird auf diese Weise vollkommen gelöst.The object of the invention is completely solved in this way.

Durch die Zugentlastungseinrichtung wird nämlich gewährleistet, dass dann, wenn der Aufwickelvorgang in Arbeitsrichtung unterbrochen ist, ein Herausziehen des Schneidmittels aus der Wickeleinrichtung entgegen der Arbeitsrichtung ermöglicht ist. Hierdurch ist ein Kraft sparendes Arbeiten ermöglicht, wenn das Schneidmittel entgegen der Arbeitsrichtung aus der Wickeleinrichtung herausgezogen werden muss.In fact, it is ensured by the strain relief device that, when the winding operation is interrupted in the working direction, it is possible to pull the cutting means out of the winding device counter to the working direction. As a result, a power-saving work is made possible when the cutting means must be pulled out against the working direction of the winding device.

Im Sinne dieser Anmeldung ist unter "Schneidmittel" jeglicher Draht oder auch jegliche Schnur zu verstehen, die grundsätzlich zum Durchtrennen des Klebewulstes einer Fahrzeugscheibe geeignet ist. Dies bedeutet, dass das Schneidmittel eine ausreichende Reißfestigkeit und Biegbarkeit besitzen muss und ggf. mit einer geeigneten Beschichtung oder geeigneten Oberflächenmerkmalen in Form von Zahnansätzen oder dgl. versehen ist, um den Schneidvorgang zu unterstützen. Es versteht sich jedoch, dass unter der Bezeichnung "Schneidmittel" auch eine geeignete Schnur aus Kunststoff oder einem anderen Material zu verstehen ist.For the purposes of this application, the term "cutting means" is to be understood as meaning any wire or even any cord which is basically suitable for severing the adhesive bead of a vehicle window. This means that the cutting means must have sufficient resistance to tearing and bending and, if appropriate, be provided with a suitable coating or suitable surface features in the form of tooth approaches or the like in order to assist the cutting process. It is understood, however, that the term "cutting means" is also to be understood as a suitable cord made of plastic or another material.

Gemäß einer Weiterbildung der Erfindung weist die Wickeleinrichtung einen Antrieb auf, der zur Zugentlastung des Schneidmittels zwischen Rechts- und Linkslauf umschaltbar ist.According to one embodiment of the invention, the winding device on a drive which is switchable to the strain relief of the cutting means between clockwise and counterclockwise rotation.

Auf diese Weise kann ein aktives Abspulen des Schneidmittels von der Wickeleinrichtung gewährleistet werden, wenn dies erforderlich ist.In this way, an active unwinding of the cutting means can be ensured by the winding device, if necessary.

Gemäß einer weiteren Ausgestaltung der Erfindung weist die Zugentlastungseinrichtung eine mechanische Freilaufkupplung auf.According to a further embodiment of the invention, the strain relief on a mechanical overrunning clutch.

Während bei einer reinen automatischen Drehrichtungsumkehr die Gefahr besteht, dass sich das Schneidmittel in der Spule aufstaut und zu einem Verklemmen der Spule führt, wird dann, wenn eine mechanische Freilaufkupplung zwischen dem Antrieb und der Spule vorgesehen ist, ein Abspulen des Schneidmittels nur dann ermöglicht, wenn tatsächlich eine Zugkraft auf das Schneidmittel ausgeübt wird.While in a pure automatic direction of rotation reversal there is a risk that the cutting means accumulates in the coil and leads to jamming of the coil, then, if a mechanical overrunning clutch is provided between the drive and the coil, a reeling of the cutting means only allows when a tensile force is actually applied to the cutting means.

Gemäß einer alternativen Ausführung der Erfindung ist der Antrieb mit einer Steuerung mit einem Schalter zum Einschalten des Antriebs gekoppelt, die derart ausgebildet ist, dass der Antrieb nach einem Ausschalten für eine bestimmte Zeitspanne entgegen der Arbeitsrichtung gedreht wird.According to an alternative embodiment of the invention, the drive is coupled to a controller with a switch for switching on the drive, which is designed such that the drive is rotated after being switched off for a certain period of time counter to the working direction.

Bei ausgeschaltetem Antrieb dreht die Spule also für eine begrenzte Zeit automatisch entgegen der Arbeitsrichtung. Der Anwender kann so die Wickeleinrichtung ohne größeren Kraftaufwand zurückziehen.When the drive is switched off, the coil thus rotates automatically against the working direction for a limited time. The user can thus retract the winder without much effort.

In vorteilhafter Weiterbildung dieser Ausführung ist die Steuerung derart ausgebildet, dass der Antrieb das Schneidmittel wieder auf den Ausgangszustand zurückspult, wenn nach dem Ausschalten des Antriebs keine Zugkraft auf das Schneidmittel ausgeübt wird.In an advantageous embodiment of this embodiment, the controller is designed such that the drive rewinds the cutting means back to the initial state, if after pulling off the drive no tensile force is exerted on the cutting means.

Auf diese Weise wird ein unnötiges Abspulen und ein Verklemmen des Schneidmittels in der Spule vermieden.In this way, an unnecessary unwinding and jamming of the cutting means in the coil is avoided.

Gemäß einer weiteren Ausgestaltung der Erfindung ist der Antrieb mit einer Steuerung mit einem Schalter zum Einschalten des Antriebs gekoppelt, die derart ausgebildet ist, dass das Schneidmittel nach einem Ausschalten des Antriebs abgespult wird, wenn eine Zugkraft auf das Schneidmittel ausgeübt wird.According to a further embodiment of the invention, the drive is coupled to a controller with a switch for switching on the drive, which is designed such that the cutting means is unwound after switching off the drive when a tensile force is exerted on the cutting means.

Auf diese Weise wird dem Anwender eine besonders komfortable Möglichkeit zum Zurückziehen des Schneidmittels bereitgestellt. Wenn keine Zugkraft auf das Schneidmittel ausgeübt wird, so unterbleibt auch ein Abspulen, so dass Fehlbedienungen vermieden werden und auch ein Verklemmen des Schneidmittels in der Spule sicher vermieden wird.In this way, the user is provided a particularly convenient way to retract the cutting means. If no tensile force is exerted on the cutting means, so also remains unwinding, so that incorrect operations are avoided and also jamming of the cutting means in the coil is reliably avoided.

Gemäß einer weiteren Ausgestaltung der Erfindung ist die Steuerung hierbei derart ausgebildet, dass das Schneidmittel um so schneller abgespult wird, je größer die auf das Schneidmittel ausgeübte Zugkraft ist.According to a further embodiment of the invention, the control is in this case designed such that the cutting means is unwound the faster, the greater the tensile force exerted on the cutting means.

Hierdurch wird der Komfort für den Benutzer weiter vergrößert.This further increases the comfort for the user.

Gemäß einer weiteren Ausgestaltung der Erfindung wird der Abspulvorgang beendet, wenn keine Zugkraft mehr auf das Schneidmittel ausgeübt wird.According to a further embodiment of the invention, the unwinding is terminated when no more pulling force is exerted on the cutting means.

Dies trägt weiter zu einer einfachen Bedienung bei.This further contributes to easy operation.

In zusätzlicher Weiterbildung der Erfindung ist ein Signalmittel vorgesehen, das eine Aktivierung der Zugentlastungseinrichtung signalisiert.In an additional development of the invention, a signal means is provided which signals activation of the strain relief device.

Auf diese Weise wird es einem Benutzer erkennbar gemacht, dass das Schneidmittel wieder von der Spule abgespult wird, so dass er seine Bewegung mit der Wickeleinrichtung in geeigneter Weise koordinieren kann. Es kann sich hierbei etwa um ein optisches und/oder akustisches Signalmittel handeln. Weiter kann auch die Wickeleinrichtung z.B. in Vibrationen versetzt werden, um einem Benutzer diese Betriebsart zu signalisieren.In this way, it is made recognizable to a user that the cutting means is again unwound from the spool, so that it can coordinate its movement with the winding device in a suitable manner. It can be about one act optical and / or acoustic signaling agent. Furthermore, the winding device can also be put into vibration, for example, in order to signal a user to this operating mode.

Der Antrieb weist gemäß einer weiteren Ausführung der Erfindung einen Überlastungsschutz auf, dessen Ansprechen über ein Signalmittel angezeigt wird.The drive has, according to a further embodiment of the invention, an overload protection whose response is indicated via a signal means.

Auf diese Weise wird einerseits eine Beschädigung der Wickeleinrichtung vermieden. Andererseits wird dem Benutzer angezeigt, dass der Überlastschutz anspricht, so dass er geeignete Maßnahmen treffen kann. So kann das Schneidmittel beispielsweise zwischen Karosserieflansch und Fahrzeugscheibe verklemmt sein oder in der Spule verklemmt sein. Bei dem Signalmittel kann es sich um das gleiche vorstehend bereits erwähnte Signalmittel oder um ein anderes Signalmittel handeln, damit der Benutzer das Ansprechen des Überlastschutzes von der Aktivierung der Zugentlastungseinrichtung unterscheiden kann. Es kann sich also beispielsweise um unterschiedliche akustische und/oder optische Signale handeln.In this way, on the one hand damage to the winding device is avoided. On the other hand, the user is indicated that the overload protection responds so that he can take appropriate action. For example, the cutting means may be jammed between the body flange and the vehicle window or jammed in the coil. The signal means may be the same signal means already mentioned above or another signaling means, so that the user can distinguish the response of the overload protection from the activation of the strain relief device. It may therefore be, for example, different acoustic and / or optical signals.

Der Überlastungsschutz kann beispielsweise eine mechanisch auslösbare Kupplung aufweisen. Auf diese Weise wird eine Überlastung des Antriebs auf einfache und zuverlässige Weise vermieden.The overload protection, for example, have a mechanically releasable coupling. In this way, an overload of the drive is avoided in a simple and reliable manner.

Gemäß einer weiteren Ausgestaltung der Erfindung weist die Wickeleinrichtung einen mit der Spule gekoppelten Antrieb auf, sowie ferner einen Griff an einem ersten Ende, wobei an einem dem Griff gegenüberliegenden zweiten Ende eine abnehmbare Stütze zur Führung der Wickeleinrichtung an einem Rahmen, mit dem die Fahrzeugscheibe verklebt ist, oder am Klebewulst selbst vorgesehen ist.According to a further embodiment of the invention, the winding device has a coupled to the coil drive, and further comprises a handle at a first end, wherein at a second end opposite the handle a removable support for guiding the winding device to a frame, glued to the vehicle window is, or is provided on the adhesive bead itself.

Ferner ist vorzugsweise am Griff ein über einen Drücker betätigbarer Gasgebeschalter vorgesehen, der mit der Steuerung zur Steuerung der Aufwickelgeschwindigkeit gekoppelt ist.Furthermore, it is preferable to provide on the handle a trigger switch which can be actuated by a pusher and which is coupled to the controller for controlling the take-up speed.

Auf diese Weise ist eine einfache und komfortable Bedienung gewährleistet.In this way, a simple and comfortable operation is guaranteed.

Gemäß einer weiteren Ausgestaltung der Erfindung weist die Wickeleinrichtung ein Gehäuse auf, das sich ausgehend von der Stütze zum Griff annähernd keilförmig erweitert.According to a further embodiment of the invention, the winding device has a housing that widens approximately wedge-shaped, starting from the support to the handle.

Diese Maßnahme trägt dazu bei, dass die Wickeleinrichtung auch unter geometrisch ungünstigen Bedingungen mit der Stütze am Karosserieflansch angesetzt werden kann, da großvolumigere Teile der Wickeleinrichtung weiter von der Stütze entfernt angeordnet sind.This measure helps ensure that the winding device can be attached to the support on the body flange even under geometrically unfavorable conditions, since larger-volume parts of the winding device are arranged further away from the support.

Sollte unter den jeweiligen geometrischen Bedingungen dennoch ein Ansetzen am Rahmen oder am Klebewulst nicht möglich sein, so kann die Stütze gegen eine andere, besser geeignete Stütze ausgetauscht werden.If, under the respective geometric conditions, it is not possible to attach it to the frame or the adhesive bead, the support can be exchanged for another, more suitable, support.

Es versteht sich, dass für jeden Fahrzeugtyp eine besonders geeignete Stütze bereitgestellt werden kann.It is understood that a particularly suitable support can be provided for each vehicle type.

Es versteht sich ferner, dass die vorstehend genannten und die nachstehend noch zu erläuternden Merkmale der Erfindung nicht nur in der jeweils angegebenen Kombination, sondern auch in anderen Kombinationen oder in Alleinstellung verwendbar sind, ohne den Rahmen der Erfindung zu verlassen.It is further understood that the features of the invention mentioned above and those yet to be explained below can be used not only in the particular combination indicated, but also in other combinations or in isolation, without departing from the scope of the invention.

Weitere Merkmale und Vorteile der Erfindung ergeben sich aus der nachfolgenden Beschreibung bevorzugter Ausführungsbeispiele unter Bezugnahme auf die Zeichnung. Es zeigen:

Fig. 1
eine Fahrzeugscheibe mit einer erfindungsgemäßen motorisch antreibbaren Wickeleinrichtung zum Aufwickeln des Schneidmittels, die an einem Karosserieflansch entlang geführt wird, mit der die Fahrzeugscheibe durch einen Klebewulst verbunden ist, in stark vereinfachter Darstellung;
Fig. 2
eine vergrößerte Darstellung der Wickeleinrichtung gemäß Fig. 1, bei der die Details ausführlicher dargestellt sind;
Fig. 3
eine Seitenansicht der Wickeleinrichtung gemäß Fig. 2 und
Fig. 4
eine Ansicht der Wickeleinrichtung gemäß Fig. 2 von schräg oben.
Further features and advantages of the invention will become apparent from the following description of preferred embodiments with reference to the drawings. Show it:
Fig. 1
a vehicle window with a motor-driven winding device according to the invention for winding up the cutting means, which is guided along a body flange, with which the vehicle window is connected by an adhesive bead, in a greatly simplified representation;
Fig. 2
an enlarged view of the winding device according to Fig. 1 in which the details are shown in more detail;
Fig. 3
a side view of the winding device according to Fig. 2 and
Fig. 4
a view of the winding device according to Fig. 2 from diagonally above.

In Fig. 1 ist eine erfindungsgemäße Vorrichtung insgesamt mit der Ziffer 10 bezeichnet.In Fig. 1 a device according to the invention is designated overall by the numeral 10.

Die Vorrichtung 10 umfasst eine Wickeleinrichtung 24 zum Aufwickeln eines Schneidmittels 18, das zum Durchtrennen eines Klebewulstes 34 einer Fahrzeugscheibe 12 dient.The device 10 comprises a winding device 24 for winding a cutting means 18, which serves for severing an adhesive bead 34 of a vehicle window 12.

Bei der Fahrzeugscheibe 12 kann es sich beispielsweise um eine Windschutzscheibe eines Kraftfahrzeugs handeln, die mittels des Klebewulstes 34, der aus einem sehr zähen Kunststoffmaterial, wie etwa Polyurethankleber, besteht, mit einem Karosserieflansch 14 verklebt ist. Der Klebewulst 34 ist äußerst stabil und trägt zur Eigenstabilität des Fahrzeugs bei.The vehicle window 12 may be, for example, a windshield of a motor vehicle, which is glued to a body flange 14 by means of the adhesive bead 34, which consists of a very tough plastic material, such as polyurethane adhesive. The adhesive bead 34 is extremely stable and contributes to the inherent stability of the vehicle.

Wenn ein derartiger Klebewulst 34 mit Hilfe eines Schneidmittels 18 in Form eines Drahtes oder dgl. durchtrennt werden soll, so ist offensichtlich, dass hierzu eine erhebliche Kraft notwendig ist.If such an adhesive bead 34 is to be severed by means of a cutting means 18 in the form of a wire or the like, then it is obvious that a considerable force is necessary for this purpose.

Die Wickeleinrichtung 24 weist ein Gehäuse 20 auf, an dessen einem Ende ein Handgriff 22 vorgesehen ist. Ausgehend vom Handgriff 22 verjüngt sich das Gehäuse 20 gemäß Fig. 3 etwa keilförmig zum gegenüberliegenden Ende hin, an dem eine Stütze 32 abnehmbar befestigt ist. Das Schneidmittel 18 kann mittels eines elektrischen Antriebes 26 auf einer Spule 28 aufgewickelt bzw. davon abgespult werden. Zur Führung des Schneidmittels 18 zur Spule 28 sind an der Stütze 32 zwei Führungsrollen 50, 52 vorgesehen, durch die ein weitgehend tangentiales Aufwickeln des Schneidmittels 18 auf der Spule gewährleistet wird.The winding device 24 has a housing 20, at one end of a handle 22 is provided. Starting from the handle 22, the housing 20 tapers according to Fig. 3 approximately wedge-shaped toward the opposite end to which a support 32 is removably attached. The cutting means 18 can be wound by means of an electric drive 26 on a spool 28 or unwound therefrom. To guide the cutting means 18 to the coil 28 are on the support 32, two guide rollers 50, 52 provided by the largely tangential winding of the cutting means 18 is ensured on the spool.

Um eine Fahrzeugscheibe 12, etwa eine Windschutzscheibe, aus einem Fahrzeug auszutrennen, wird zunächst das Schneidmittel 18 vollständig von außen um den Klebewulst 34 herum geführt. Sodann wir ein erstes Ende entweder von außen an einem feststehenden Fahrzeugteil, z.B. an der Scheibenwischerwelle befestigt oder aber mit Hilfe eines Saugtellers an der Fahrzeugscheibe selbst von außen oder von innen, wozu ein vorheriges Durchführen durch den Klebewulst 34 erforderlich ist. Sodann wird das zweite Ende des Schneidmittels 18 durch den Klebewulst 34 hindurchgeführt und an der Wickeleinrichtung 24 befestigt. Die Wickeleinrichtung 24 wird nunmehr mit ihrer Stütze 32 am Rahmen oder Karosserieflansch 14 abgestützt und der Antrieb der Wickeleinrichtung 26 betätigt. Dadurch wird das Schneidmittel 18 nach und nach durch den Klebewulst 34 hindurchgezogen, so dass dieser durchtrennt wird. Der Winkel 42 zwischen dem Schneidmittel 18 und dem Karosserieflansch 14 soll hierbei möglichst klein gehalten werden, wodurch eine gute Schneidwirkung erzielt wird. Die Wickeleinrichtung 24 wird somit nach und nach gemäß dem Fortschritt des Schneidvorgangs mit der Stütze 32 am Rahmen 14 entlang geführt, so dass der Winkel zwischen Schneidmittel und Karosserieflansch 14 nicht zu groß wird, wie in Fig. 1 durch die gestrichelt gezeichnete Position des Schneidmittels 18' und den Winkel 42' angedeutet. Es ist auch denkbar, die Stütze 32 entlang des Klebewulstes 34 zu führen.In order to unscrew a vehicle window 12, such as a windshield, from a vehicle, the cutting means 18 is first guided completely around the adhesive bead 34 from the outside. Then we fixed a first end either from the outside to a stationary vehicle part, for example on the windshield wiper shaft or with the help of a suction cup on the vehicle window itself from the outside or from the inside, for which a previous execution by the adhesive bead 34 is required. Then, the second end of the cutting means 18 is passed through the adhesive bead 34 and attached to the winding device 24. The winding device 24 is now supported with its support 32 on the frame or body flange 14 and the drive of the winding device 26 is actuated. As a result, the cutting means 18 is gradually pulled through the adhesive bead 34, so that it is severed. The angle 42 between the cutting means 18 and the body flange 14 should be kept as small as possible, whereby a good cutting action is achieved. The winding device 24 is thus gradually guided along with the support 32 along the frame 14 according to the progress of the cutting process, so that the angle between the cutting means and body flange 14 is not too large, as in Fig. 1 indicated by the dashed line position of the cutting means 18 'and the angle 42'. It is also conceivable to guide the support 32 along the adhesive bead 34.

Der Aufbau der in Fig. 1 lediglich rein schematisch angedeuteten Wickeleinrichtung 24 wird im Folgenden anhand der Fig. 2 bis 4 näher beschrieben.The construction of in Fig. 1 only purely schematically indicated winding device 24 will be described below with reference to the Fig. 2 to 4 described in more detail.

Die Stütze 32, an der die Führungsrollen 50, 52 vorgesehen sind, ist mittels einer Spanneinrichtung 80 abnehmbar am Gehäuse 20 der Wickeleinrichtung 24 befestigt (vgl. Fig. 2). Der Antrieb 26 weist einen Gleichstrommotor 27 auf, der über ein Getriebe 29 mit der Spule 28 zu deren Antrieb gekoppelt ist.The support 32, on which the guide rollers 50, 52 are provided, by means of a clamping device 80 removably attached to the housing 20 of the winding device 24 is fixed (see. Fig. 2 ). The drive 26 has a DC motor 27, which is coupled via a gear 29 with the coil 28 to the drive.

Der Motor 27 wird von einem Akkumulator 30 mit Strom versorgt, der auswechselbar am Gehäuse 20 befestigt ist. Es versteht sich, dass stattdessen jedoch auch eine netzgetriebene Ausführung zum Einsatz kommen kann oder dass jede andere geeignete Antriebsart, z.B. ein Druckluftantrieb verwendet werden kann.The motor 27 is powered by an accumulator 30 with power, which is removably attached to the housing 20. It will be understood, however, that instead of this a mains powered version may be used or that any other suitable type of drive, e.g. a compressed air drive can be used.

Beim Antrieb der Spule 28 wird das Schneidmittel 18 in Arbeitsrichtung über die Führungsrollen 50, 52 durch eine Öffnung 70 auf der Spule 28 aufgewickelt.When driving the spool 28, the cutting means 18 is wound in the working direction via the guide rollers 50, 52 through an opening 70 on the spool 28.

Aus Fig. 3 ist erkennbar, dass sich das Gehäuse 20 der Wickeleinrichtung 24 ausgehend vom Handgriff 22 etwa keilförmig mit einem Winkel α von ca. 13° zum gegenüberliegenden Ende hin verjüngt, an dem die Stütze 32 befestigt ist. Je nach Konstruktion liegt der Winkel α vorzugsweise in einem Bereich von etwa 10 bis 30°.Out Fig. 3 It can be seen that the housing 20 of the winding device 24, starting from the handle 22 tapers approximately wedge-shaped with an angle α of about 13 ° to the opposite end, to which the support 32 is attached. Depending on the construction, the angle α is preferably in a range of about 10 to 30 °.

Durch diese Gestaltung ist die Wickeleinrichtung 24 an ihrem dem Karosserieflansch 14 während des Einsatzes zugewandten Ende relativ schmal ausgebildet, so dass eine Abstützung am Rahmen oder Karosserieflansch 14 auch bei Hindernissen, wie sie an Armaturenbrettern vorkommen, relativ einfach möglich ist. Es versteht sich, dass hierzu eine jeweils geeignete Stütze 32 verwendet werden kann, die an die geometrischen Verhältnisse bei dem jeweiligen Fahrzeugmodell angepasst ist.By this configuration, the winding device 24 is formed at its the body flange 14 during use facing the end relatively narrow, so that a support on the frame or body flange 14 even with obstacles, as they occur on dashboards, is relatively easy. It is understood that for this purpose a respective suitable support 32 can be used, which is adapted to the geometric conditions in the respective vehicle model.

Der Austrennvorgang durch Aufwickeln des Schneidmittels 18 auf der Spule 28 in Arbeitsrichtung muss in der Regel mehrfach unterbrochen werden, da die Wickeleinrichtung 24 an Hindernissen am Armaturenbrett vorbeibewegt werden muss und erneut mit der Stütze 32 am Rahmen oder Karosserieflansch 14 angesetzt werden muss. Teilweise ist hierzu ein zwischenzeitliches Herausziehen des Schneidmittels 18 aus der Spule 28 erforderlich.The removal process by winding the cutting means 18 on the spool 28 in the working direction must usually be interrupted several times, since the winding device 24 must be moved past obstacles on the dashboard and must be re-attached to the support 32 on the frame or body flange 14. Partial this is an intermediate withdrawal of the cutting means 18 from the coil 28 is required.

Da das Schneidmittel 18 in Folge der starken Getriebeuntersetzung in der Regel nur mit großem Kraftaufwand entgegen der Arbeitsrichtung von der Spule 28 abgewickelt werden kann, ist erfindungsgemäß eine Zugentlastungseinrichtung 36 vorgesehen. Die Zugentlastungseinrichtung 36 kann eine mechanische Freilaufkupplung umfassen, die mit dem Getriebe 29 unmittelbar gekoppelt ist. Dadurch wird ein Herausziehen des Schneidmittels 18 aus der Spule 28 ermöglicht, wenn der Antrieb 26 nicht aktiviert ist.Since the cutting means 18 can be unwound as a result of the strong gear reduction usually only with great effort against the working direction of the coil 28, a strain relief device 36 is provided according to the invention. The strain relief device 36 may comprise a mechanical one-way clutch, which is directly coupled to the transmission 29. Thereby, a withdrawal of the cutting means 18 is made possible from the coil 28 when the drive 26 is not activated.

Bevorzugt ist die Wickeleinrichtung 24 jedoch mit einer intelligenten Steuerung 46 versehen, die bei abgeschaltetem Antrieb 26 erkennt, dass eine Kraft auf das Schneidmittel 18 ausgeübt wird, um dieses aus der Spule 28 herauszuziehen. Die Wickeleinrichtung 24 unterstützt den Anwender in diesem Fall, indem die Spule 28 entgegen der Arbeitsrichtung angetrieben wird, so dass das Schneidmittel 18 von der Spule 28 wieder abgewickelt wird. Die Anordnung ist vorzugsweise nun so getroffen, dass das Schneidmittel 18 umso schneller abgewickelt wird, je größer die auf das Schneidmittel 18 ausgeübte Zugkraft ist. Der Abwickelvorgang wird beendet, sobald der Anwender nicht mehr an der Wickeleinrichtung 24 zieht, oder wenn ein Schalter 44 zur Aktivierung des Antriebs 26 betätigt wird.Preferably, however, the winding device 24 is provided with an intelligent controller 46, which detects when the drive 26 is switched off that a force is exerted on the cutting means 18 in order to pull it out of the coil 28. The winding device 24 supports the user in this case by the coil 28 is driven counter to the working direction, so that the cutting means 18 is unwound from the coil 28 again. The arrangement is preferably now made so that the cutting means 18 is unwound the faster, the greater the tensile force exerted on the cutting means 18. The unwinding process is terminated as soon as the user no longer pulls on the winding device 24, or when a switch 44 for activating the drive 26 is actuated.

Auf diese Weise ist ein sehr komfortables Abwickeln des Schneidmittels 18 ermöglicht, wenn die Wickeleinrichtung 24 an einen anderen Ort versetzt werden muss und hierzu ein Abwickeln des Schneidmittels 18 notwendig ist.In this way, a very comfortable unwinding of the cutting means 18 is made possible when the winding device 24 has to be moved to another location and this unwinding of the cutting means 18 is necessary.

Der Schalter 44 ist als Gasgebeschalter ausgebildet und ist gemäß Fig. 4 unmittelbar am Griff 22 aufgenommen. Der Gasgebeschalter 44 wird über einen Drücker betätigt. Über den Gasgebeschalter 44 kann der Anwender die gewünschte Spulendrehzahl und somit die Schneidgeschwindigkeit steuern.The switch 44 is designed as a throttle switch and is according to Fig. 4 received directly on the handle 22. The accelerator switch 44 is actuated by a pusher. Via the accelerator switch 44, the user can control the desired reel speed and thus the cutting speed.

Im Antriebsstrang integriert ist ferner eine mechanische Kupplung, die in Fig. 4 mit 49 angedeutet ist. Die Kupplung 49 schützt das Schneidmittel 18 vor Überlastung und Bruch. Dieser Überlastungsschutz 49 löst aus, sobald die maximal zulässige Zugkraft am Schneidmittel 18 erreicht wird. Löst der Überlastungsschutz 49 aus, so wird dies dem Anwender signalisiert, wozu ein optisches und/oder akustisches Signalmittel 48 vorgesehen ist. Auch wenn die Zugentlastungseinrichtung 36 aktiviert ist, um das Schneidmittel entgegen der Arbeitsrichtung aus der Spule 28 herausziehen zu können, so wird dies durch ein entsprechendes Signal angezeigt, wozu gleichfalls das Signalmittel 48 verwendet werden kann. Es können beispielsweise unterschiedliche Signaltöne für die Aktivierung der Zugentlastungseinrichtung 36 und für die Aktivierung des Überlastschutzes 49 verwendet werden. Alternativ kann auch eine mechanische Anzeige z.B. in Form einer Ratsche oder einer Vibration verwendet werden.Integrated in the drive train is also a mechanical clutch, the in Fig. 4 indicated by 49. The coupling 49 protects the cutting means 18 against overload and breakage. This overload protection 49 triggers as soon as the maximum permissible tensile force on the cutting means 18 is reached. If the overload protection 49 triggers, this is signaled to the user, for which purpose an optical and / or acoustic signal means 48 is provided. Even if the strain relief device 36 is activated to pull the cutting means against the working direction of the coil 28 to be able to, this is indicated by a corresponding signal, to which also the signal means 48 can be used. For example, different beeps may be used to activate the strain relief device 36 and to activate the overload protection 49. Alternatively, a mechanical display, for example in the form of a ratchet or a vibration can be used.

Claims (15)

Vorrichtung zum Durchtrennen des Klebewulstes (34) einer Fahrzeugscheibe (12), insbesondere einer Windschutzscheibe, mit einer motorisch antreibbaren Wickeleinrichtung (24), mit einer Spule (28) zum Aufwickeln eines Schneidmittels (18) in Arbeitsrichtung zum Durchtrennen des Klebewulstes (34), dadurch gekennzeichnet, dass die Wickeleinrichtung (24) eine Zugentlastungseinrichtung (36) für das Schneidmittel (18) aufweist, die ein Herausziehen des Schneidmittels (18) aus der Wickeleinrichtung (24) entgegen der Arbeitsrichtung erlaubt.Device for severing the adhesive bead (34) of a vehicle window (12), in particular a windshield, with a motor-driven winding device (24), with a spool (28) for winding a cutting means (18) in the working direction for severing the adhesive bead (34), characterized in that the winding device (24) has a strain relief device (36) for the cutting means (18), which allows withdrawal of the cutting means (18) from the winding device (24) against the working direction. Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, dass die Wickeleinrichtung (24) einen Antrieb (26) aufweist, der zur Zugentlastung des Schneidmittels (18) zwischen Rechts- und Linkslauf umschaltbar ist.Apparatus according to claim 1, characterized in that the winding device (24) has a drive (26) which is switchable to the strain relief of the cutting means (18) between clockwise and counterclockwise rotation. Vorrichtung nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass die Zugentlastungseinrichtung (36) eine mechanische Freilaufkupplung aufweist.Apparatus according to claim 1 or 2, characterized in that the strain relief device (36) comprises a mechanical overrunning clutch. Vorrichtung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass der Antrieb (26) mit einer Steuerung (46) mit einem Schalter (44) zum Einschalten des Antriebs (26) gekoppelt ist, die derart ausgebildet ist, dass der Antrieb (26) nach einem Ausschalten für eine bestimmte Zeitspanne entgegen der Arbeitsrichtung gedreht wird.Device according to one of the preceding claims, characterized in that the drive (26) with a controller (46) with a switch (44) for switching on the drive (26) is coupled, which is designed such that the drive (26) according to is turned off for a certain period of time against the working direction. Vorrichtung nach Anspruch 4, dadurch gekennzeichnet, dass die Steuerung (46) derart ausgebildet ist, dass der Antrieb (26) das Schneidmittel (18) wieder auf den Ausgangszustand aufspult, wenn nach dem Ausschalten des Antriebs (26) keine Zugkraft auf das Schneidmittel (18) ausgeübt wird.Apparatus according to claim 4, characterized in that the controller (46) is designed such that the drive (26) rewinds the cutting means (18) back to the initial state, if after pulling off the drive (26) no tensile force on the cutting means (26) 18) is exercised. Vorrichtung nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass der Antrieb (26) mit einer Steuerung (46) mit einem Schalter (44) zum Einschalten des Antriebs (26) gekoppelt ist, die derart ausgebildet ist, dass das Schneidmittel (18) nach einem Ausschalten des Antriebs (26) abgespult wird, wenn eine Zugkraft auf das Schneidmittel (18) ausgeübt wird.Apparatus according to claim 1 or 2, characterized in that the drive (26) is coupled to a controller (46) with a switch (44) for switching on the drive (26), which is designed such that the cutting means (18) after a shutdown of the drive (26) is unwound when a pulling force on the cutting means (18) is applied. Vorrichtung nach Anspruch 6, dadurch gekennzeichnet, dass die Steuerung (46) derart ausgebildet ist, dass das Schneidmittel (18) um so schneller abgespult wird, je größer die auf das Schneidmittel (18) ausgeübte Zugkraft ist.Apparatus according to claim 6, characterized in that the control (46) is designed such that the cutting means (18) is unwound the faster, the greater the tensile force exerted on the cutting means (18). Vorrichtung nach Anspruch 6 oder 7, dadurch gekennzeichnet, dass die Steuerung (46) derart ausgebildet ist, dass der Abspulvorgang beendet wird, wenn keine Zugkraft mehr auf das Schneidmittel (18) ausgeübt wird.Apparatus according to claim 6 or 7, characterized in that the controller (46) is designed such that the unwinding is terminated when no more pulling force is exerted on the cutting means (18). Vorrichtung nach einem der Ansprüche 4 bis 8, dadurch gekennzeichnet, dass ein Signalmittel (48) vorgesehen ist, das eine Aktivierung der Zugentlastungseinrichtung (36) signalisiert.Device according to one of claims 4 to 8, characterized in that a signaling means (48) is provided which signals activation of the strain relief device (36). Vorrichtung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass der Antrieb (26) einen Überlastungsschutz (44) aufweist, dessen Ansprechen über ein Signalmittel (48) angezeigt wird.Device according to one of the preceding claims, characterized in that the drive (26) has an overload protection (44) whose response is indicated by a signal means (48). Vorrichtung nach Anspruch 10, dadurch gekennzeichnet, dass der Überlastungsschutz (49) eine mechanisch auslösbare Kupplung umfasst.Apparatus according to claim 10, characterized in that the overload protection (49) comprises a mechanically releasable coupling. Vorrichtung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die Wickeleinrichtung (24) einen mit der Spule (28) gekoppelten Antrieb (26) aufweist, dass die Wickeleinrichtung (24) einen Griff (22) an einem ersten Ende aufweist, und dass die Wickeleinrichtung (24) am dem Griff (22) gegenüberliegenden zweiten Ende eine abnehmbare Stütze (32) zur Führung der Wickeleinrichtung (24) an einem Rahmen (14), mit dem die Scheibe (12) verklebt ist, oder am Klebewulst (34) aufweist.Device according to one of the preceding claims, characterized in that the winding device (24) has a drive (26) coupled to the coil (28), that the winding device (24) has a handle (22) at a first end, and that the Winding device (24) on the handle (22) opposite the second end of a removable support (32) for Guiding the winding device (24) on a frame (14), with which the disc (12) is glued, or on the adhesive bead (34). Vorrichtung nach Anspruch 12, dadurch gekennzeichnet, dass am Griff (22) ein über einen Drücker betätigbarer Gasgebeschalter (44) vorgesehen ist, der mit der Steuerung (46) zur Steuerung der Aufwickelgeschwindigkeit gekoppelt ist.Apparatus according to claim 12, characterized in that the handle (22) is provided via a trigger operable gas trigger switch (44) which is coupled to the controller (46) for controlling the take-up speed. Vorrichtung nach Anspruch 11 oder 12, dadurch gekennzeichnet, dass die Wickeleinrichtung ein Gehäuse (20) aufweist, dass ausgehend von der Stütze (32) zum Griff (22) annähernd keilförmig ausgebildet ist.Apparatus according to claim 11 or 12, characterized in that the winding device has a housing (20) that, starting from the support (32) to the handle (22) is approximately wedge-shaped. Verfahren zum Durchtrennen eines Klebewulstes (34) einer Scheibe (12) mit den folgenden Schritten: - Herumführen eines Schneidmittels (18) um den Klebewulst (34) von außen; - Befestigen eines ersten Endes des Schneidmittels (18) an der Außenseite; - Durchführen eines zweiten Endes des Schneidmittels (18) durch den Klebewulst (34) und Befestigen an der Innenseite der Scheibe (12) an einer motorisch antreibbaren Wickeleinrichtung (24) und - Antreiben der Wickeleinrichtung (24) zum Aufwickeln des Schneidmittels (18), um den Klebewulst (34) zu durchtrennen, während die Wickeleinrichtung (24) mittels einer Stütze (32) entlang eines Rahmens (14), an dem die Scheibe (12) befestigt ist, geführt wird; - Unterbrechen des Aufwickelns und Herausziehen des Schneidmittels (18) um einen bestimmten Betrag aus der Wickeleinrichtung (24); - Repositionieren der Wickeleinrichtung (24) mit der Stütze (32) an einer anderen Stelle des Rahmens (14) und - Wiederaufnehmen des Austrennvorgangs durch Antreiben der Wickeleinrichtung (24). A method of severing an adhesive bead (34) of a disk (12) comprising the steps of: - Passing around a cutting means (18) to the adhesive bead (34) from the outside; - Attaching a first end of the cutting means (18) on the outside; - Passing through the adhesive bead (34) a second end of the cutting means (18) and attaching to the inside of the disc (12) on a motor - driven winding device (24) and - driving the winding device (24) for winding the cutting means (18) to sever the adhesive bead (34), while the winding device (24) by means of a support (32) along a frame (14) on which the disc (12) is fixed, guided; - interrupting the winding and pulling out of the cutting means (18) by a certain amount from the winding device (24); - Repositioning the winding device (24) with the support (32) at another location of the frame (14) and - Resuming the removal process by driving the winding device (24).
EP09177355.6A 2008-12-01 2009-11-27 Device for separating the adhesive beaded rim of fixed windows Not-in-force EP2191945B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE200810060802 DE102008060802A1 (en) 2008-12-01 2008-12-01 Device for severing the adhesive bead of glued-in panes

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EP2191945A2 true EP2191945A2 (en) 2010-06-02
EP2191945A3 EP2191945A3 (en) 2010-07-07
EP2191945B1 EP2191945B1 (en) 2015-06-03

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EP09177355.6A Not-in-force EP2191945B1 (en) 2008-12-01 2009-11-27 Device for separating the adhesive beaded rim of fixed windows

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US (1) US8307873B2 (en)
EP (1) EP2191945B1 (en)
CN (1) CN101745929B (en)
DE (1) DE102008060802A1 (en)

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DE102011013890A1 (en) * 2011-03-07 2012-09-13 C. & E. Fein Gmbh Apparatus and method for severing the adhesive bead of glued-in panes
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Also Published As

Publication number Publication date
US8307873B2 (en) 2012-11-13
DE102008060802A1 (en) 2010-06-02
CN101745929B (en) 2014-05-14
EP2191945A3 (en) 2010-07-07
CN101745929A (en) 2010-06-23
US20100132201A1 (en) 2010-06-03
EP2191945B1 (en) 2015-06-03

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