EP0464376A2 - Switch lever with a device for adjustment of the switching point of an electric switch for electromechanic timers - Google Patents

Switch lever with a device for adjustment of the switching point of an electric switch for electromechanic timers Download PDF

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Publication number
EP0464376A2
EP0464376A2 EP91108936A EP91108936A EP0464376A2 EP 0464376 A2 EP0464376 A2 EP 0464376A2 EP 91108936 A EP91108936 A EP 91108936A EP 91108936 A EP91108936 A EP 91108936A EP 0464376 A2 EP0464376 A2 EP 0464376A2
Authority
EP
European Patent Office
Prior art keywords
lever
lever arm
switch
arm
toothing
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
EP91108936A
Other languages
German (de)
French (fr)
Other versions
EP0464376B1 (en
EP0464376A3 (en
Inventor
Martin Löffler
Manfred Ulmer
Werner Bächle
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.)
Graesslin GmbH
Graesslin KG
Original Assignee
Graesslin GmbH
Graesslin KG
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 Graesslin GmbH, Graesslin KG filed Critical Graesslin GmbH
Publication of EP0464376A2 publication Critical patent/EP0464376A2/en
Publication of EP0464376A3 publication Critical patent/EP0464376A3/en
Application granted granted Critical
Publication of EP0464376B1 publication Critical patent/EP0464376B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H3/00—Mechanisms for operating contacts
    • H01H3/32—Driving mechanisms, i.e. for transmitting driving force to the contacts
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H3/00—Mechanisms for operating contacts
    • H01H3/32—Driving mechanisms, i.e. for transmitting driving force to the contacts
    • H01H2003/323—Driving mechanisms, i.e. for transmitting driving force to the contacts the mechanisms being adjustable
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H3/00—Mechanisms for operating contacts
    • H01H3/32—Driving mechanisms, i.e. for transmitting driving force to the contacts
    • H01H3/46—Driving mechanisms, i.e. for transmitting driving force to the contacts using rod or lever linkage, e.g. toggle
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H43/00—Time or time-programme switches providing a choice of time-intervals for executing one or more switching actions and automatically terminating their operations after the programme is completed

Definitions

  • the invention relates to a time-controlled and / or manually actuable switching lever with a device for setting the switching point of an electrical switch, which can be set by means of a tooth straightening lock, for electromechanical timers.
  • a switching cam which is provided with an inclined plane, is mounted on a switching lever so as to be longitudinally displaceable, for setting the switching point of the electrical switch of an electromechanical timer.
  • a relatively fine-stage gear locking mechanism is provided there between the switch lever and the switch cam.
  • a multi-stage toothing is provided on the shift lever and a spring detent tooth is provided on the shift cam, which engages with the toothing on the shift lever.
  • This setting device has the disadvantage that the operability when setting the switching point is complicated and uneconomical due to the spatially relatively small switching cam.
  • such an adjustment device is not suitable for the same reasons when automatic assembly machines are used.
  • the invention has for its object to provide a shift lever with a device for adjusting the switching point of an electrical switch that is simple, precise and economical to manufacture and simple and economical to operate the switching point both manually and mechanically.
  • the shift lever 1 shown in FIGS. 1 and 2 in any design-specific embodiment essentially consists of a lever part 1 a equipped with a scanning cam 2 and a lever part 1 mounted on one side on the lever part 1 a, in particular in the region of its bearing point 3, lever arm 1b under the action of a spring force.
  • the lever part 1a and the lever arm 1b are expediently connected to one another in one piece.
  • the lever arm 1b is provided on the front side, in particular on one side, with a projection 5 carrying an internal toothing 4.
  • This internal locking toothing 4 is adjacent to a front locking toothing 6, which is arranged on the lever part 1a.
  • the side 12 of the lever arm 1b which is designed to be resilient, acts on the electrical switch 7 in the present embodiment, as can be seen in more detail in FIG. 3.
  • 8 denotes the bearing shaft of the shift lever 1.
  • Fig. 3 it can be seen how the two toothings 4 and 6 for setting the switching point of the switch 7 are engaged with each other without play.
  • the switch 7 is designed there as a so-called snap contact or microswitch, which has a defined switching point of the switching device provided there.
  • 9 denotes a cam track which can be formed from programmed switching tabs 10, which is scanned by the scanning cam 2 of the shift lever 1 without play.
  • 4 shows a shift lever 1 in which the toothing engagement between the lever part 1a and the lever arm 1b is designed as a so-called crown locking toothing. 4 shows the locking teeth on the lever part 1a and 6 indicates the locking teeth on the lever arm 1b. 3 means the bearing point of the shift lever 1 with a bearing shaft 8.
  • the embodiment of the shift lever 1 according to the invention with the lever arm 1b which is relatively finely adjustable to the lever part 1a and which is pretensioned under the action of a spring force ensures, in its relatively large and clearly dimensionable embodiment, a simple, precise and assembly-machine-compatible adjustment device for the switching point of a switch.
  • the shift lever 1 can be manufactured in any structurally required and expedient shape and dimension.
  • the shift lever 1 can consist of several individual parts, and that the directional locking teeth shown and described can have a different dimension than that shown.

Landscapes

  • Mechanical Control Devices (AREA)
  • Switches With Compound Operations (AREA)
  • Arrangement Or Mounting Of Control Devices For Change-Speed Gearing (AREA)

Abstract

A time-controlled and/or manually operable switch lever (1) having a device, which can be adjusted by means of a toothed alignment lock, for adjusting the switching point of an electric switch (7) for electromechanical timers, is formed from a lever part (1a) and a lever arm (1b), which can be pivoted radially with respect to the lever part (1a), a spring element acting radially between the lever part (1a) and the lever arm (1b), and the lever part (1a) and the lever arm (1b) engaging with one another via a latching tooth system (4, 6). <IMAGE>

Description

Die Erfindung betrifft einen zeitgesteuerten und/oder manuell beaufschlagbaren Schalthebel mit einer, mittels eines Zahnrichtgesperres einstellbaren Vorrichtung zur Einstellung des Schaltpunktes eines elektrischen Schalters, für elektromechanische Schaltuhren.The invention relates to a time-controlled and / or manually actuable switching lever with a device for setting the switching point of an electrical switch, which can be set by means of a tooth straightening lock, for electromechanical timers.

Bei elektrischen Schaltern, insbesondere sogenannten Sprungkontaktschaltern, bei denen unter der Wirkung eines Federelementes ein Kontaktelement momentan umschaltbar ist, ist es aufgrund insbesondere von mechanischen Toleranzen einerseits innerhalb des Schalters und andererseits innerhalb der mechanischen Konstruktion zwischen den Schaltnocken der Schaltreiter und dem Schaltnocken des Schalters, erforderlich, daß diese Toleranzen eliminiert und der Schaltpunkt des Schalters reproduzierbar präzise einstellbar ist, sodaß eine relativ hohe Schaltzeitgenauigkeit erzielt wird. Dabei soll sichergestellt sein, daß die Einstellung des Schaltpunktes einfach und rationell möglich ist, und daß die Vorrichtung für diese Einstellung einfach, präzise und wirtschaftlich herstellbar ist.In the case of electrical switches, in particular so-called snap-action switches, in which a contact element can currently be switched under the action of a spring element, it is necessary on the one hand within the switch and, on the other hand, within the mechanical construction between the switch cam of the switch tab and the switch cam of the switch due to mechanical tolerances that these tolerances are eliminated and the switch point of the switch is reproducibly and precisely adjustable, so that a relatively high switching time accuracy is achieved. It should be ensured that the setting of the switching point is simple and efficient, and that the device for this setting is simple, precise and economical to manufacture.

Bei einer bekanntgewordenen Einstellvorrichtung ist auf einem Schalthebel ein Schaltnocken längsverschiebbar gelagert, der mit einer schiefen Ebene versehen ist, zur Einstellung des Schaltpunktes des elektrischen Schalters einer elektromechanischen Schaltuhr. Für eine feinstufige und lagengesicherte Einstellung des Schaltnockens auf dem Schalthebel, ist dort zwischen dem Schalthebel und dem Schaltnocken ein relativ feinstufiges Zahnrichtgesperre vorgesehen. Babei ist auf dem Schalthebel eine mehrstufige Verzahnung und am Schaltnocken ein Federrastzahn vorgesehen, der mit der Verzahnung auf dem Schalthebel in Eingriff steht.In a setting device which has become known, a switching cam, which is provided with an inclined plane, is mounted on a switching lever so as to be longitudinally displaceable, for setting the switching point of the electrical switch of an electromechanical timer. For a fine-tuned and positionally secure setting of the switch cam on the switch lever, a relatively fine-stage gear locking mechanism is provided there between the switch lever and the switch cam. In this case, a multi-stage toothing is provided on the shift lever and a spring detent tooth is provided on the shift cam, which engages with the toothing on the shift lever.

Diese Einstellvorrichtung ist mit dem Nachteil behaftet, daß die Bedienbarkeit bei der Einstellung des Schaltpunktes aufgrund des räumlich relativ kleinen Schaltnockens kompliziert und unwirtschaftlich ist. Außerdem eignet sich eine derartige Einstellvorrichtung aus denselben Gründen nicht bei einem Einsatz von Montageautomaten.This setting device has the disadvantage that the operability when setting the switching point is complicated and uneconomical due to the spatially relatively small switching cam. In addition, such an adjustment device is not suitable for the same reasons when automatic assembly machines are used.

Der Erfindung liegt die Aufgabe zugrunde, einen Schalthebel mit einer Vorrichtung zur Einstellung des Schaltpunktes eines elektrischen Schalters zu schaffen, der einfach, präzise und wirtschaftlich herstellbar und zur Einstellung des Schaltpunktes einfach und wirtschaftlich sowohl manuell, als auch maschinell bedienbar ist.The invention has for its object to provide a shift lever with a device for adjusting the switching point of an electrical switch that is simple, precise and economical to manufacture and simple and economical to operate the switching point both manually and mechanically.

Diese Aufgabe wird mit den Merkmalen im kennzeichnenden Teil des Patentanspruchs 1 gelöst und in den Unteransprüchen sind weitere vorteilhafte Einzelheiten beansprucht.This object is achieved with the features in the characterizing part of patent claim 1 and further advantageous details are claimed in the subclaims.

Ein Ausführungsbeispiel der Erfindung ist in der Zeichnung dargestellt und wird im folgenden näher erläutert. Es zeigen

Fig. 1
eine Seitenansicht auf einen Schalthebel mit einer Vorrichtung zum Einstellen des Schaltpunktes eines Schalters, in herstellungsbelassener, entspannter Form,
Fig. 2
eine Vorderansicht auf einen Schalthebel nach Fig. 1,
Fig. 3
eine schaubildliche Ansicht auf einen, über einen eingestellten Schalthebel, mittelbar gesteuerten elektrischen Schalter und
Fig. 4
eine Vorderansicht auf einen Schalthebel mit einer sogenannten Kronenradsperrverzahnung zwischen dem Hebelteil und dem Hebelarm des Schalthebels.
An embodiment of the invention is shown in the drawing and is explained in more detail below. Show it
Fig. 1
2 shows a side view of a shift lever with a device for setting the switching point of a switch, in a relaxed, manufacturing-like form,
Fig. 2
2 shows a front view of a shift lever according to FIG. 1,
Fig. 3
a perspective view of a, via a set lever, indirectly controlled electrical switch and
Fig. 4
a front view of a shift lever with a so-called crown gear locking toothing between the lever part and the lever arm of the shift lever.

Der, in der Fig. 1 und 2, dargestellte Schalthebel 1 in einer beliebigen, konstruktionsspezifischen Ausführungsform besteht im wesentlichen aus einem, mit einem Abtastnocken 2 bestückten Hebelteil 1a und einem, am Hebelteil 1a, insbesondere im Bereich von dessen Lagerpunkt 3, einseitig gelagerten, unter der Wirkung einer Federkraft stehenden Hebelarm 1b. Das Hebelteil 1a und der Hebelarm 1b sind zweckmäßigerweise einstückig miteinander verbunden. Der Hebelarm 1b ist vorderseitig, insbesondere einseitig mit einem, eine Innenrastverzahnung 4 tragenden Vorsprung 5 versehen. Dieser Innenrastverzahnung 4 ist eine Stirnrastverzahnung 6 benachbart, die am Hebelteil 1a angeordnet ist. Mit der Seite 12 des Hebelarms 1b, der federelastisch ausgebildet ist, wird in der vorliegenden Ausführung der elektrische Schalter 7 beaufschlagt, wie dies aus der Fig. 3 näher ersichtlich ist. 8 bezeichnet die Lagerwelle des Schalthebels 1.The shift lever 1 shown in FIGS. 1 and 2 in any design-specific embodiment essentially consists of a lever part 1 a equipped with a scanning cam 2 and a lever part 1 mounted on one side on the lever part 1 a, in particular in the region of its bearing point 3, lever arm 1b under the action of a spring force. The lever part 1a and the lever arm 1b are expediently connected to one another in one piece. The lever arm 1b is provided on the front side, in particular on one side, with a projection 5 carrying an internal toothing 4. This internal locking toothing 4 is adjacent to a front locking toothing 6, which is arranged on the lever part 1a. With the side 12 of the lever arm 1b, which is designed to be resilient, acts on the electrical switch 7 in the present embodiment, as can be seen in more detail in FIG. 3. 8 denotes the bearing shaft of the shift lever 1.

Aus der Fig. 3 ist ersichtlich, wie die beiden Verzahnungen 4 und 6 zur Einstellung des Schaltpunktes des Schalters 7 spielfrei miteinander in Eingriff stehen. Der Schalter 7 ist dort als sogenannter Sprungkontakt oder Mikroschalter ausgebildet, der über einen definierten Umschaltpunkt der dort vorgesehen Schalteinrichtung verfügt. 9 kennzeichnet eine Nockenbahn, die aus programmierten Schaltreitern 10 gebildet sein kann, welche vom Abtastnocken 2 des Schalthebels 1 spielfrei abgetastet wird.From Fig. 3 it can be seen how the two toothings 4 and 6 for setting the switching point of the switch 7 are engaged with each other without play. The switch 7 is designed there as a so-called snap contact or microswitch, which has a defined switching point of the switching device provided there. 9 denotes a cam track which can be formed from programmed switching tabs 10, which is scanned by the scanning cam 2 of the shift lever 1 without play.

Aus der Fig. 4 ist ein Schalthebel 1 ersichtlich, bei dem der Verzahnungseingriff zwischen dem Hebelteil 1a und dem Hebelarm 1b als sogenannte Kronensperrverzahnung ausgebildet ist. 4 zeigt die Sperrverzahnung am Hebelteil 1a und 6 kennzeichnet die Sperrverzahnung am Hebelarm 1b. 3 bedeutet den Lagerpunkt des Schalthebels 1 mit einer Lagerwelle 8.4 shows a shift lever 1 in which the toothing engagement between the lever part 1a and the lever arm 1b is designed as a so-called crown locking toothing. 4 shows the locking teeth on the lever part 1a and 6 indicates the locking teeth on the lever arm 1b. 3 means the bearing point of the shift lever 1 with a bearing shaft 8.

Die erfindungsgemäße Ausführung des Schalthebels 1 mit dem zum Hebelteil 1a relativ feinstufig einstellbaren, unter der Wirkung einer Federkraft vorgespannten, Hebelarm 1b, stellt in seiner relativ großen und übersichtlich dlmensionierbaren Ausführung eine einfache, präzise und montagemaschinengerechte Einstellvorrichtung für den Schaltpunkt eines Schalters sicher.The embodiment of the shift lever 1 according to the invention with the lever arm 1b which is relatively finely adjustable to the lever part 1a and which is pretensioned under the action of a spring force ensures, in its relatively large and clearly dimensionable embodiment, a simple, precise and assembly-machine-compatible adjustment device for the switching point of a switch.

Es liegt im Rahmen der Erfindung, daß der Schalthebel 1 in jeder konstruktiv erforderlichen und zweckmäßigen Form und Abmessung herstellbar ist.It is within the scope of the invention that the shift lever 1 can be manufactured in any structurally required and expedient shape and dimension.

Es ist auch vorgesehen, daß der Schalthebel 1 aus mehreren Einzelteilen bestehen kann, und daß die gezeigten und beschriebenen gerichteten Sperrverzahnungen eine andere Dimensionierung als die dargestellten aufweisen können.It is also envisaged that the shift lever 1 can consist of several individual parts, and that the directional locking teeth shown and described can have a different dimension than that shown.

Claims (6)

Zeitgesteuert und/oder manuell beaufschlagbarer Schalthebel mit einer, mittels eines Zahnrichtgesperres einstellbaren Vorrichtung zur Einstellung des Schaltpunktes eines elektrischen Schalters für elektromechanische Schaltuhren, dadurch gekennzeichnet, daß der Schalthebel (1) aus einem Hebelteil (1a) und einem, zum Hebelteil (1a) radial verschwenkbaren, Hebelarm (1b) gebildet ist, daß zwischen dem Hebelteil (1a) und dem Hebelarm (1b) ein Federelement radial wirksam ist, und daß der Hebelteil (1a) und der Hebelarm (1b) über eine Rastverzahnung miteinander in Eingriff sind.Time-controlled and / or manually actuable switching lever with a device that can be set by means of a tooth lock to adjust the switching point of an electrical switch for electromechanical timers, characterized in that the switching lever (1) consists of a lever part (1a) and one to the lever part (1a) radially pivotable lever arm (1b) is formed that between the lever part (1a) and the lever arm (1b) a spring element is radially effective, and that the lever part (1a) and the lever arm (1b) are engaged with each other via a locking toothing. Schalthebel nach Anspruch 1, dadurch gekennzeichnet, daß der Hebelteil (1a) und der Hebelarm (1b) einstückig aus Kunststoff hergestellt sind.Shift lever according to claim 1, characterized in that the lever part (1a) and the lever arm (1b) are made in one piece from plastic. Schalthebel nach Anspruch 1 und 2, dadurch gekennzeichnet, daß der Hebelarm (1b) einseitig, im Bereich des Lagerpunktes (3) des Schalthebels (1) mit dem Hebelteil (1a) verbunden ist, und daß der Hebelarm (1b) federelastisch ausgebildet ist.Shift lever according to Claims 1 and 2, characterized in that the lever arm (1b) is connected on one side to the lever part (1a) in the region of the bearing point (3) of the shift lever (1), and that the lever arm (1b) is designed to be resilient. Schalthebel nach Anspruch 1 bis 3, dadurch gekennzeichnet, daß der Hebelarm (1b) an seinem freien Ende mit einer, aus mindestens einem Zahn bestehenden, Rastverzahnung (6) versehen ist.Shift lever according to claims 1 to 3, characterized in that the lever arm (1b) is provided at its free end with a locking toothing (6) consisting of at least one tooth. Schalthebel nach Anspruch 4, dadurch gekennzeichnet, daß die Rastverzahnung (6) am Hebelarm (1b) als Innenrastverzahnung ausgebildet ist, daß daß diese Innenrastverzahnung an einem einseitig am Hebelarm (1b) vorgesehenen Vorsprung (5) angeordnet ist, und daß die Rastverzahnung am Hebelteil (1a) als Stirnrastverzahnung hergestellt ist.Shift lever according to claim 4, characterized in that the locking teeth (6) on the lever arm (1b) are designed as internal locking teeth, that this internal locking teeth are arranged on a projection (5) provided on one side on the lever arm (1b), and that the locking teeth on the lever part (1a) is made as a spur toothing. Schalthebel nach Anspruch 1 bis 4, dadurch gekennzeichnet, daß die zwischen dem Hebelteil (1a) und dem Hebelarm (1b) wirkende Rastverzahnung als Kronenradsperrverzahnung ausgebildet ist.Shift lever according to Claims 1 to 4, characterized in that the latching toothing acting between the lever part (1a) and the lever arm (1b) is designed as a crown gear locking toothing.
EP91108936A 1990-06-30 1991-05-31 Switch lever with a device for adjustment of the switching point of an electric switch for electromechanic timers Expired - Lifetime EP0464376B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE9007251U 1990-06-30
DE9007251U DE9007251U1 (en) 1990-06-30 1990-06-30 Switch lever with a device for adjusting the switching point of an electrical switch for electromechanical time switches

Publications (3)

Publication Number Publication Date
EP0464376A2 true EP0464376A2 (en) 1992-01-08
EP0464376A3 EP0464376A3 (en) 1992-07-01
EP0464376B1 EP0464376B1 (en) 1994-09-28

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EP91108936A Expired - Lifetime EP0464376B1 (en) 1990-06-30 1991-05-31 Switch lever with a device for adjustment of the switching point of an electric switch for electromechanic timers

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EP (1) EP0464376B1 (en)
DE (2) DE9007251U1 (en)
ES (1) ES2064808T3 (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2420447A (en) * 2004-11-19 2006-05-24 Invensys Controls Uk Ltd Switching mechanism
US7875433B2 (en) 2007-02-26 2011-01-25 Response Biomedical Corporation Comparative multiple analyte assay
CN105225894A (en) * 2015-09-30 2016-01-06 东莞市台铃车业有限公司 A kind of timing device, charger, battery case and electric motor car

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE8602885U1 (en) * 1986-02-05 1986-03-27 Dieter Gräßlin Feinwerktechnik, 7742 St Georgen Electrical device switch with a device for setting and / or compensating the forward travel of the actuator
EP0317784A1 (en) * 1987-11-25 1989-05-31 Lindner GmbH Fabrik elektrischer Lampen und Apparate Operating lever for electrical switch devices

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE8602885U1 (en) * 1986-02-05 1986-03-27 Dieter Gräßlin Feinwerktechnik, 7742 St Georgen Electrical device switch with a device for setting and / or compensating the forward travel of the actuator
EP0317784A1 (en) * 1987-11-25 1989-05-31 Lindner GmbH Fabrik elektrischer Lampen und Apparate Operating lever for electrical switch devices

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2420447A (en) * 2004-11-19 2006-05-24 Invensys Controls Uk Ltd Switching mechanism
GB2420447B (en) * 2004-11-19 2008-02-27 Invensys Controls Uk Ltd Switching mechanism
US7875433B2 (en) 2007-02-26 2011-01-25 Response Biomedical Corporation Comparative multiple analyte assay
CN105225894A (en) * 2015-09-30 2016-01-06 东莞市台铃车业有限公司 A kind of timing device, charger, battery case and electric motor car

Also Published As

Publication number Publication date
DE9007251U1 (en) 1990-09-06
EP0464376B1 (en) 1994-09-28
DE59103081D1 (en) 1994-11-03
EP0464376A3 (en) 1992-07-01
ES2064808T3 (en) 1995-02-01

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