EP1170769A1 - Mécanisme de fermeture brusque pour appareil électrique modulaire de type disjoncteur - Google Patents
Mécanisme de fermeture brusque pour appareil électrique modulaire de type disjoncteur Download PDFInfo
- Publication number
- EP1170769A1 EP1170769A1 EP00440285A EP00440285A EP1170769A1 EP 1170769 A1 EP1170769 A1 EP 1170769A1 EP 00440285 A EP00440285 A EP 00440285A EP 00440285 A EP00440285 A EP 00440285A EP 1170769 A1 EP1170769 A1 EP 1170769A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- contact
- cam
- contacts
- finger
- rotation
- 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
Links
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
- H01H71/10—Operating or release mechanisms
- H01H71/50—Manual reset mechanisms which may be also used for manual release
- H01H71/52—Manual reset mechanisms which may be also used for manual release actuated by lever
- H01H71/526—Manual reset mechanisms which may be also used for manual release actuated by lever the lever forming a toggle linkage with a second lever, the free end of which is directly and releasably engageable with a contact structure
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H2300/00—Orthogonal indexing scheme relating to electric switches, relays, selectors or emergency protective devices covered by H01H
- H01H2300/046—Orthogonal indexing scheme relating to electric switches, relays, selectors or emergency protective devices covered by H01H using snap closing mechanisms
- H01H2300/048—Snap closing by latched movable contact, wherein the movable contact is held in a minimal distance from the fixed contact during first phase of closing sequence in which a closing spring is charged
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
- H01H71/002—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00 with provision for switching the neutral conductor
Definitions
- the present invention relates to a snap closure mechanism contacts of a modular electrical device such as a circuit breaker or differential circuit breaker, which can be adapted equally to a single-pole product, neutral or multipolar phase.
- This kind of device includes at least one mobile contact provided to cooperate with at least one fixed contact, the movable contact being pivotally disposed relative to a contact carrier (s), their positioning relative to rest being ensured by the action of a said spring contact to ensure correct pressure at closing contacts, whatever their wear.
- This contact holder (s) is itself rotated to position the movable contact alternately against and away from the fixed contact, in particular by manual action on a pivoting control lever between two stable positions, and causing the rotation of the contact carrier (s) by a conventional mechanical system with toggle.
- Such an abrupt closing mechanism is for example disclosed in patent EP-0 224 396, and mainly comprises two members, pivoting respectively with the control lever and the movable contact, with paths which interfere during a fraction of their combined rotation. These organs are provided to cooperate in order to block the movable contact to distance from the fixed contact during said fraction of rotation, before abrupt release at the end of the cooperation phase, and closure subsequent contact at a speed independent of the speed exerted on the remote.
- control lever and the movable contact are animated by an opposite direction of rotation, which on the contrary induces the crossing of the respective theoretical trajectories of two organs which converge and move in the same direction.
- the inventive closing mechanism obeys these constraints particular, and therefore presents a specific configuration which is adapted to the above-mentioned kinetic constraints in particular.
- the organs of the invention participating in the abrupt closing function consist of a cam driven by the control handle, arranged free in rotation with a limited clearance relative to the latter, and with a finger secured to the movable contact, the positioning of which respectively with respect to the cam and in moving contact is such that the finger and the cam come into contact when the fixed and mobile contacts are spaced by a predetermined residual distance, the cam having an external surface along which the finger slides when the rotation of the joystick continues, of length and shape such that said finger remains locked in rotation during a fraction of rotation of the joystick less than its residual travel to reach its stable contact closure position.
- the contact carrier (s) continues to run, while the contact spring accumulates energy which it releases suddenly when the cam / finger contact ceases, in the last portion of the joystick stroke.
- the cam can then continue its rotation relative to the lever, the angular movement being limited by a stop of the lever, an elastic element being interposed between the cam and this stopper.
- the relative positioning of the finger and the cam, their shape respective, and in particular the length of the external surface of the cam allow only to obtain blocking of the mobile contact (s).
- the possibility for the cam of a residual rotation relative to the lever allows in particular absorb contact wear, and also plays a role in opening them.
- the cam comprises a hollow cylindrical-looking barrel rotating around a central journal fitted to the center of a drum fitted with a radial lever and forming the handle, said drum comprising a window arranged substantially at opposite of the lever and allowing the passage of a radial projection of the cam extending from said barrel, the free end of which widens and has a surface external of coaxial appearance to the cylindrical surface of the barrel, the edges of the window parallel to the generator of the drum constituting the stops between which the cam is free to rotate.
- This cam very simply added to a handle and lock structure already existing, can similarly be deleted if the function of abrupt closing is not necessary.
- the elastic element consists of a tab fixed to the surface outside of the barrel, gradually moving away from it towards its free end, and placed on the side of the cam coming first into contact with the finger when contact closure.
- the finger secured to the movable contact is located between this last and the joystick and is formed by overmolding of the movable contact conductor with insulating material.
- the cam is identical to that of a product single-phase, the external surface of the cam intended to come into contact with the finger of each movable contact being made with a width sufficient to cooperate with two fingers simultaneously, ensuring simultaneous release of two movable phase and neutral contacts.
- the various parts forming part of the circuit breaker control include a handle (1) connected to a contact holder (2) by a link (3).
- Said lever (1) the eccentric housing (4) in which one of the ends of the link (3) is inserted and the latter forming a toggle for controlling the movement of the contact carrier (2).
- the control mechanism shown here concerns a phase electrical appliance neutral, it therefore includes two movable contacts (5, 6) pivotally mounted around the axis (18), in the form of a needle which is also the rotation shaft around which the contact carrier (2) pivots.
- Contact springs (7) and (8) urge said movable contacts respectively (5) and (6), each against a corresponding stop on the contact carrier (2).
- these springs (7, 8) are used to maintain the pressure between the contacts even when they are worn out. As part of the abrupt closure of the inventive contacts, these springs are used to store energy when the movable contacts (5, 6) are immobilized.
- the fixed contact (9) is secured to a sheet forming the cylinder head of the magnetic trip device (not represented).
- the contact carrier (2) also supports the release (10), also mounted pivoting around the needle (18), and comprising a trigger spring (11) the recalling in its rest position allowing in particular the jamming of one ends of the link (3) in normal product operation.
- the cam (12) of the snap closure mechanism has a hollow barrel (13) with from which extends radially a protuberance (14) whose external surface (15) is provided to cooperate with fingers (16, 17) integral with the contacts mobile respectively (6) and (5).
- the barrel (13) is simply threaded onto the central pin (19) of the lever (1), which the guide in rotation.
- the lever more precisely consists of a lever (20) arranged radially on the periphery of a drum (21) whose lower wall is cut into a window allowing the protuberance (14) of the cam (12).
- the barrel (13) of said cam (12) also includes an elastic tab (22) imparting elasticity to the last portion of relative rotation of the cam (12) in the control handle (1).
- the elastic bending of said tab (22) against the internal wall of the drum (21) makes it possible to obtain the elastic final stop.
- the free end of the finger (16) integral with the movable contact (6) is in cooperation with the external surface (15) of the protuberance (14) of the cam (12), that is to say that the contact (6) is kept at a fixed distance from the contact fixed (9).
- the finger (16) is nevertheless located at the end of said surface (15), and close to sagging. Indeed, the projection (14) being driven in rotation by the control lever (1), while the finger (16) is by definition maintained immobile, the protrusion (14) and in particular the external surface (15) escapes to the right of the figure, and finally suddenly releases the finger (16), and by therefore the movable contact (6).
- the projection (14) does not oppose resistance to the thrust applied to it, in the measurement of the length of the stroke of relative rotation that exists between the cam (12) and the control handle, as will appear in more detail below.
- FIGS. 4a to 4g represent a manual closing cycle, alternately with new contacts and worn contacts.
- the lever is shown in its upright position, in abutment against one of the edges sides of an opening in the housing B allowing the lever (20) to pass, the contacts (6) and (9) then being separated.
- the finger (16) integral with the contact (6) is also located at a distance from the projection (14) projecting from the barrel (13) of the cam (12).
- the magnetic actuator (M) is shown schematically, only the striker, the fixed core and the movable core being represented, with the exception of the induction coil. for an opening of the circuit breaker due to a short circuit, the striker is launched against the trigger (10), which switches the knee switch in view of the opening of the contacts (6, 9), as is well known elsewhere.
- Figures 5a to 5e show a reverse cycle, that is to say by which one proceeds when the contacts (6, 9) open.
- Figures 5a to 5b are therefore identical to Figures 4f and 4g, and should be considered here as the start of the cycle opening.
- the toggle control mechanism actuates the contact carrier (2), and consequently the contact (6), in rotation in the trigonometric sense.
- the opposite direction of rotation already observed in the cycle closing, caused a crossing of the trajectories which places the finger (16) in the opening trajectory of the projection (14). If the opening were to be force, the engagement of said protuberance (14) and of the finger (16) could cause damage to any of these organs, or even premature wear detrimental to operation.
- the joystick can be brought to again in abutment against the opposite edge of the upper opening of the housing B, in the open position of the contacts (6, 9).
Landscapes
- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
- Mechanisms For Operating Contacts (AREA)
- Switch Cases, Indication, And Locking (AREA)
- Breakers (AREA)
- Toys (AREA)
Abstract
Description
Claims (5)
- Mécanisme de fermeture brusque des contacts pour appareil électrique modulaire de type disjoncteur comportant au moins un contact mobile (5, 6) prévu pour coopérer avec au moins un contact fixe (9), ledit contact mobile (5, 6) étant disposé à pivotement par rapport à un porte-contact(s) (2), leur positionnement relatif au repos étant assuré par l'action d'un ressort de contact (7, 8), ledit porte-contact(s) (2) étant animé d'un mouvement de rotation permettant de positionner le contact mobile (5, 6) alternativement au contact et à distance du contact fixe (9), notamment par action manuelle sur une manette de commande (1) pivotant entre deux positions stables et entraínant la rotation du porte-contact(s) (2) par un système à genouillère (4, 3), ledit mécanisme de fermeture brusque comportant principalement deux organes pivotant respectivement avec la manette de commande (1) et le contact mobile (5, 6), dont la trajectoire interfère pendant une fraction de leur rotation combinée, et qui sont prévus pour coopérer dans le but de bloquer le contact mobile (5, 6) à distance du contact fixe (9) pendant ladite fraction de rotation avant relâchement brusque à la fin de la phase de coopération des organes, et fermeture des contacts (5, 6, 9) à une vitesse indépendante de la vitesse exercée sur la manette,
caractérisé en ce que la manette de commande (1) et le contact mobile (5, 6) étant animés d'un mouvement de rotation de sens opposé, induisant un croisement des trajectoires théoriques respectives de deux organes qui se déplacent sensiblement dans la même direction, lesdits organes sont constitués d'une came (12) entraínée par la manette de commande (1), disposée libre en rotation selon un débattement limité par rapport à cette dernière, et d'un doigt (16, 17) solidaire du contact mobile (6, 5), dont le positionnement respectivement par rapport à la came (12) et au contact mobile (5, 6) est tel que ledit doigt (16, 17) et ladite came (12) entrent en contact lorsque les contacts fixe (9) et mobile (5, 6) sont espacés, la came (12) présentant une surface (15) de forme et de longueur telles que ledit doigt (16,17) reste bloqué en rotation pendant une fraction de rotation de la manette (1) inférieure à sa course résiduelle pour atteindre sa position stable de fermeture des contacts (5, 6, 9), le porte-contact(s) (2) continuant cependant sa course alors que le ressort de contact (7, 8) accumule de l'énergie qu'il libère uniquement lorsque le contact came (12) / doigt (16, 17) cesse, dans la dernière portion de la course de la manette (1), la came (12) pouvant alors poursuivre sa rotation par rapport à la manette (1), le débattement angulaire étant limité par une butée de la manette (1), un élément élastique (22) étant interposé entre la came (12) et cette butée. - Mécanisme de fermeture brusque des contacts pour appareil électrique modulaire selon la revendication précédente, caractérisé en ce que la came (12) comporte un fût (13) d'allure cylindrique creux tournant autour d'un tourillon central (19) équipant le centre d'un tambour (21) muni d'un levier radial (20) et formant la manette (1), ledit tambour (21) comportant une fenêtre disposée sensiblement à l'opposé du levier (20) et permettant le passage d'une excroissance radiale (14) de la came (12) s'étendant à partir dudit fût (13), dont l'extrémité libre s'élargit et comporte une surface externe (15) d'allure coaxiale à la surface cylindrique du fût (13), les chants de la fenêtre parallèle à la génératrice du tambour (21) constituant les butées entre lesquelles la came (12) est libre en rotation.
- Mécanisme de fermeture brusque des contacts pour appareil électrique modulaire selon la revendication précédente, caractérisé en ce que l'élément élastique consiste en une patte (22) fixée à la surface externe du fût (13), s'en écartant progressivement en direction de son extrémité libre, et placée du côté de la came (12) entrant en premier en contact avec le doigt (16, 17) lors de la fermeture des contacts (5, 6, 9).
- Mécanisme de fermeture brusque des contacts pour appareil électrique modulaire selon l'une quelconque des revendications précédentes,
caractérisé en ce que le doigt (16, 17) solidarisé au contact mobile (6, 5) est situé entre ce dernier et la manette de commande (1) et est formé par surmoulage du contact mobile conducteur (5, 6) avec un matériau isolant. - Mécanisme de fermeture brusque des contacts pour appareil électrique modulaire selon l'une quelconque des revendications précédentes,
caractérisé en ce que, pour un appareil phase-neutre, la came (12) est identique à celle d'un produit monophasé, la surface externe (15) de la came (12) destinée à entrer en contact avec le doigt (16, 17) de chaque contact mobile (6, 5) étant réalisée avec une largeur suffisante pour coopérer avec deux doigts (16, 17) simultanément, assurant un lâchage simultané des deux contacts mobiles (5, 6) de phase et de neutre.
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PT00440285T PT1170769E (pt) | 2000-10-19 | 2000-10-19 | Mecanismo de fecho rapido para aparelho electrico modular do tipo disjuntor |
DE60000091T DE60000091T2 (de) | 2000-10-19 | 2000-10-19 | Schnelleinschaltvorrichtung für Modulschutzschalter |
EP00440285A EP1170769B1 (fr) | 2000-10-19 | 2000-10-19 | Mécanisme de fermeture brusque pour appareil électrique modulaire de type disjoncteur |
ES00440285T ES2172499T3 (es) | 2000-10-19 | 2000-10-19 | Mecanismo de cierre brusco para aparato electrico modular de tipo disyuntor. |
AT00440285T ATE214516T1 (de) | 2000-10-19 | 2000-10-19 | Schnelleinschaltvorrichtung für modulschutzschalter |
US09/782,876 US6492607B2 (en) | 2000-10-19 | 2001-02-13 | Rapid closure mechanism for electrical contacts |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP00440285A EP1170769B1 (fr) | 2000-10-19 | 2000-10-19 | Mécanisme de fermeture brusque pour appareil électrique modulaire de type disjoncteur |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1170769A1 true EP1170769A1 (fr) | 2002-01-09 |
EP1170769B1 EP1170769B1 (fr) | 2002-03-13 |
Family
ID=8174178
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP00440285A Expired - Lifetime EP1170769B1 (fr) | 2000-10-19 | 2000-10-19 | Mécanisme de fermeture brusque pour appareil électrique modulaire de type disjoncteur |
Country Status (6)
Country | Link |
---|---|
US (1) | US6492607B2 (fr) |
EP (1) | EP1170769B1 (fr) |
AT (1) | ATE214516T1 (fr) |
DE (1) | DE60000091T2 (fr) |
ES (1) | ES2172499T3 (fr) |
PT (1) | PT1170769E (fr) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2013041801A1 (fr) | 2011-09-22 | 2013-03-28 | Hager-Electro Sas | Appareils electriques de protection de ligne dotes de moyens d'indication de defaut electrique sur la ligne |
CN103050342A (zh) * | 2012-12-20 | 2013-04-17 | 李敏 | 一种断路器操作机构和断路器 |
EP4131314A1 (fr) * | 2021-08-05 | 2023-02-08 | Hangzhou Taimu Electrical Co., Ltd. | Mécanisme de fonctionnement d'un disjoncteur |
Families Citing this family (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6667680B1 (en) * | 2002-06-27 | 2003-12-23 | Eaton Corporation | Circuit breaker |
DE112004001733A5 (de) * | 2003-09-23 | 2008-02-28 | Moeller Gebäudeautomation KG | Schalter |
US6864451B1 (en) * | 2003-10-24 | 2005-03-08 | Eaton Corporation | Circuit breaker including operating handle having one or more operating arms and extension springs |
US6812423B1 (en) * | 2003-10-24 | 2004-11-02 | Eaton Corporation | Circuit breaker including lock for operating mechanism linkage |
US6800823B1 (en) * | 2003-10-24 | 2004-10-05 | Eaton Corporation | Circuit breaker including lever for snap close operation |
US6870115B1 (en) * | 2003-10-24 | 2005-03-22 | Eaton Corporation | Circuit breaker including extension spring(s) between operating mechanism pivot and operating handle |
US6812422B1 (en) * | 2003-10-24 | 2004-11-02 | Eaton Corporation | Circuit breaker including a flexible cantilever lever for snap close operation |
US6800824B1 (en) * | 2003-10-24 | 2004-10-05 | Eaton Corporation | Circuit breaker including frame having stop for operating mechanism link |
US6803536B1 (en) * | 2003-10-24 | 2004-10-12 | Eaton Corporation | Circuit breaker including independent link to operating handle |
DE502004007985D1 (de) * | 2004-07-05 | 2008-10-16 | Abb Schweiz Ag | Bewegliche Kontakteinheit für eine Kontaktanordnung eines Schutzschalters |
JP4337700B2 (ja) * | 2004-09-30 | 2009-09-30 | 三菱電機株式会社 | 回路遮断器 |
DE102004055564B4 (de) * | 2004-11-18 | 2022-05-05 | Abb Ag | Elektrisches Installationsschaltgerät |
EP1816665B1 (fr) * | 2006-02-03 | 2009-09-23 | Hager-Electro SAS | Mécanisme de serrure à axe mobile |
EP1995754B1 (fr) * | 2007-05-23 | 2013-09-04 | Abb Ag | Commutateur d'installation électrique |
CN101882545A (zh) * | 2009-05-04 | 2010-11-10 | 上海良信电器股份有限公司 | 用于小型断路器的快速闭合机构 |
US8563887B2 (en) * | 2011-12-21 | 2013-10-22 | Eaton Corporation | Electrical switching apparatus and trip latch assembly therefor |
FR2998413B1 (fr) * | 2012-11-21 | 2016-02-05 | Alstom Technology Ltd | Dispositif de commande a ressort pour un disjoncteur |
CN103681139B (zh) * | 2014-01-02 | 2015-12-09 | 浙江德隆电器有限公司 | 一种断路器 |
CN106935451B (zh) * | 2015-12-30 | 2019-04-30 | 三信国际电器上海有限公司 | 一种合闸装置及具有该装置的剩余电流动作断路器 |
US10984974B2 (en) | 2018-12-20 | 2021-04-20 | Schneider Electric USA, Inc. | Line side power, double break, switch neutral electronic circuit breaker |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2581791A1 (fr) * | 1985-05-13 | 1986-11-14 | Merlin Gerin | Mecanisme de fermeture manuelle brusque d'un appareil de coupure de courant |
EP0224396A1 (fr) * | 1985-10-31 | 1987-06-03 | Merlin Gerin | Mécanisme de commande pour disjoncteur électrique à basse tension |
EP0897186A2 (fr) * | 1997-08-14 | 1999-02-17 | Siemens Aktiengesellschaft | Mécanisme de commutation pour un disjoncteur |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3033213C2 (de) * | 1980-08-29 | 1982-10-21 | Siemens AG, 1000 Berlin und 8000 München | Niederspannungs-Schutzschalter mit einem Sperrhebel |
-
2000
- 2000-10-19 PT PT00440285T patent/PT1170769E/pt unknown
- 2000-10-19 ES ES00440285T patent/ES2172499T3/es not_active Expired - Lifetime
- 2000-10-19 EP EP00440285A patent/EP1170769B1/fr not_active Expired - Lifetime
- 2000-10-19 AT AT00440285T patent/ATE214516T1/de active
- 2000-10-19 DE DE60000091T patent/DE60000091T2/de not_active Expired - Lifetime
-
2001
- 2001-02-13 US US09/782,876 patent/US6492607B2/en not_active Expired - Lifetime
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2581791A1 (fr) * | 1985-05-13 | 1986-11-14 | Merlin Gerin | Mecanisme de fermeture manuelle brusque d'un appareil de coupure de courant |
EP0224396A1 (fr) * | 1985-10-31 | 1987-06-03 | Merlin Gerin | Mécanisme de commande pour disjoncteur électrique à basse tension |
EP0897186A2 (fr) * | 1997-08-14 | 1999-02-17 | Siemens Aktiengesellschaft | Mécanisme de commutation pour un disjoncteur |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2013041801A1 (fr) | 2011-09-22 | 2013-03-28 | Hager-Electro Sas | Appareils electriques de protection de ligne dotes de moyens d'indication de defaut electrique sur la ligne |
FR2980635A1 (fr) * | 2011-09-22 | 2013-03-29 | Hager Electro Sas | Appareils electriques de protection de ligne dotes de moyens d'indication de defaut electrique sur la ligne. |
CN103946948A (zh) * | 2011-09-22 | 2014-07-23 | 黑格电子股份有限公司 | 具有指示线路电气故障的装置的电气线路保护装置 |
CN103946948B (zh) * | 2011-09-22 | 2016-08-24 | 黑格电子股份有限公司 | 具有指示线路电气故障的装置的电气线路保护装置 |
CN103050342A (zh) * | 2012-12-20 | 2013-04-17 | 李敏 | 一种断路器操作机构和断路器 |
CN103050342B (zh) * | 2012-12-20 | 2014-10-15 | 李敏 | 一种断路器操作机构和断路器 |
EP4131314A1 (fr) * | 2021-08-05 | 2023-02-08 | Hangzhou Taimu Electrical Co., Ltd. | Mécanisme de fonctionnement d'un disjoncteur |
Also Published As
Publication number | Publication date |
---|---|
US6492607B2 (en) | 2002-12-10 |
US20020046940A1 (en) | 2002-04-25 |
ES2172499T3 (es) | 2002-10-01 |
PT1170769E (pt) | 2002-07-31 |
EP1170769B1 (fr) | 2002-03-13 |
DE60000091T2 (de) | 2002-11-07 |
ATE214516T1 (de) | 2002-03-15 |
DE60000091D1 (de) | 2002-04-18 |
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