EP0777249A2 - Bearing of armature for a relay with rockable armature - Google Patents
Bearing of armature for a relay with rockable armature Download PDFInfo
- Publication number
- EP0777249A2 EP0777249A2 EP96118663A EP96118663A EP0777249A2 EP 0777249 A2 EP0777249 A2 EP 0777249A2 EP 96118663 A EP96118663 A EP 96118663A EP 96118663 A EP96118663 A EP 96118663A EP 0777249 A2 EP0777249 A2 EP 0777249A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- armature
- spring
- yoke
- anchor
- section
- 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.)
- Ceased
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H50/00—Details of electromagnetic relays
- H01H50/16—Magnetic circuit arrangements
- H01H50/18—Movable parts of magnetic circuits, e.g. armature
- H01H50/24—Parts rotatable or rockable outside coil
- H01H50/28—Parts movable due to bending of a blade spring or reed
Definitions
- the invention relates to an armature bearing for a folding armature relay, consisting of a yoke, an armature mounted on an end section of the yoke and an armature retaining spring which carries at least one switching contact and which is mechanically connected to the armature.
- Such an anchor bearing is previously known from DE 43 20 831 C1.
- special bearing points are provided between the armature and the yoke, in which either the armature or the yoke has inclined contact surfaces.
- a displacement of the armature is converted into a rotary movement, with the center of the switch contact as the center of rotation, so that the switch contacts lying opposite one another do not move against one another. This avoids contact misalignment, which leads to increased contact erosion, which greatly affects the service life of the relay.
- a disadvantage of this well-functioning anchor bearing is that the stamping or stamping of such an anchor bearing is relatively costly, especially since not too high manufacturing tolerances are permitted on the anchor and on the yoke.
- the anchor holding spring forms at least two integrally molded spring hooks, each of which a first section lies flat against the top of the anchor and each of which has a second section, which is approximately at right angles to the respective first section and around the anchor is bent around and rests almost flat on the outside of the yoke when the armature is in the rest position and that the armature retaining spring also integrally forms a return spring which also has an approximately right-angled bend with respect to the longitudinal direction of the armature.
- the anchor bearing according to the invention is advantageous in many ways.
- a relay with an armature bearing according to the invention is particularly simple and inexpensive to produce, since it consists of particularly few individual parts, since the flat spring connected to the armature integrally forms both the switch contact spring and the return spring for the armature and also the spring hooks for the armature bearing.
- additional components that apply spring forces are not required.
- both the yoke and the armature can be particularly simple and in particular have no special embossments or cuts. This makes the production of these components very simple and inexpensive, especially since their flatness tolerances can be quite large.
- the position of the switch contacts in relation to one another in the armature bearing arrangement according to the invention is only determined by the flat spring, but not by the armature, as a result of which the chain of tolerances which is responsible for the contact offset is shortened.
- the armature mounting enables the armature and the armature retaining spring connected to it to be able to move freely relative to the fixed contacts in a defined frame, the freedom of movement not being limited mechanical end stops, but is damped by spring action.
- the free end portion of the return spring is fixed to a connection terminal and that the current supply to the movable switch contacts is carried out via the return spring, since this causes the load current to be directly supplied to the switch contacts over a wide and low-resistance section of the armature retaining spring, so that additional means favoring the power line, such as e.g. B. braided copper strips or the like can be omitted.
- additional means favoring the power line such as e.g. B. braided copper strips or the like can be omitted.
- the restoring force of the return spring and thus also the minimum tightening voltage can be influenced in a simple manner by bending the connecting terminal connected to the return spring.
- Figure 1 shows the schematic diagram of an anchor bearing according to the invention with omission of all parts of the folding armature relay not required for explanation.
- a magnet coil (6) and an L-shaped yoke (3) placed around the magnet coil (6) can be seen.
- the armature (1) is mounted in such a way that an end section of the armature (1) rests on an end face of the yoke (3), without any interlocking means being provided on the yoke (3) and armature (1).
- the anchor retaining spring (2) is riveted to the anchor (1).
- the armature retaining spring (2) forms in one piece two molded spring hooks (4), of which a first section (4a) lies flat against the top of the armature (1) and a second section (4b), which is approximately at right angles to the each first section (4a) and around the armature is bent, and rests almost flat on the outside of the yoke (3) when the armature (1) is in the rest position.
- the armature retaining spring (2) also forms in one piece a return spring (5) which also has an approximately right-angled bend with respect to the longitudinal direction of the armature (1), the end section of the return spring being fixed at a suitable point (not shown in FIG. 1).
- This point can advantageously be a connecting terminal, via which the load current to be switched can be applied to the at least one switching contact (7).
- the principle of the armature bearing according to the invention is that the armature is not supported by rigid mechanical limitations, but by different spring forces of the armature retaining spring (2).
- the return spring (5) generates a force that drives the armature back from the magnet coil (6), as well as a force component in the longitudinal direction of the armature (1). Due to the balance of these forces, the armature (1) is always returned to its starting position.
- FIG. 2 shows a fully assembled relay which has an armature bearing according to the invention.
- the relay is mounted on a base plate (8) and has a plurality of connection terminals which form flat plugs (9) on the underside of the base plate (8).
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- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Electromagnets (AREA)
Abstract
Description
Die Erfindung betrifft eine Ankerlagerung für ein Klappankerrelais, bestehend aus einem Joch, aus einem an einem Endabschnitt des Joches gelagerten Anker und einer Ankerhaltefeder, die zumindest einen Schaltkontakt trägt und die mit dem Anker mechanisch verbunden ist.The invention relates to an armature bearing for a folding armature relay, consisting of a yoke, an armature mounted on an end section of the yoke and an armature retaining spring which carries at least one switching contact and which is mechanically connected to the armature.
Eine solche Ankerlagerung ist aus der DE 43 20 831 C1 vorbekannt. Bei diesem Relais sind spezielle Lagerstellen zwischen Anker und Joch vorgesehen, bei denen entweder der Anker oder das Joch schrägstehende Anlageflächen aufweist. Eine Verschiebung des Ankers wird hierbei in eine Drehbewegung, mit dem Mittelpunkt des Schaltkontaktes als Drehzentrum umgewandelt, so daß sich die einander gegenüberliegenden Schaltkontakte nicht gegeneinander verschieben. Hierdurch wird ein Kontaktversatz, bei dem es zu einem erhöhten Kontaktabbrand kommt, welcher die Lebensdauer des Relais stark beeinträchtigt, vermieden.Such an anchor bearing is previously known from DE 43 20 831 C1. In this relay, special bearing points are provided between the armature and the yoke, in which either the armature or the yoke has inclined contact surfaces. A displacement of the armature is converted into a rotary movement, with the center of the switch contact as the center of rotation, so that the switch contacts lying opposite one another do not move against one another. This avoids contact misalignment, which leads to increased contact erosion, which greatly affects the service life of the relay.
Nachteilig bei dieser gut funktionierenden Ankerlagerung ist, daß das Prägen oder Stanzen einer solchen Ankerlagerung relativ kostenaufwendig ist, zumal am Anker und am Joch keine allzu hohen Fertigungstoleranzen zulässig sind.A disadvantage of this well-functioning anchor bearing is that the stamping or stamping of such an anchor bearing is relatively costly, especially since not too high manufacturing tolerances are permitted on the anchor and on the yoke.
Dies gilt ebenso für Relais, bei denen der Anker in einer Ausnehmung des Joches gelagert ist.This also applies to relays in which the armature is mounted in a recess in the yoke.
Der Kostenaufwand zur Herstellung einer geprägten oder gestanzten Ankerlagerung unter Einhaltung von engen Fertigungstoleranzen kann bei einem Massenprodukt, wie es ein solches Klappankerrelais darstellt, erheblich ins Gewicht fallen.The cost of producing an embossed or stamped armature bearing while adhering to narrow manufacturing tolerances can be significant in the case of a mass-produced product such as such a hinged armature relay.
Es ist daher die Aufgabe der Erfindung, eine Ankerlagerung für ein Klappankerrelais zu schaffen, die besonders einfach und kostengünstig zu fertigen ist und die besonders unempfindlich gegenüber Fertigungstoleranzen des Jochs und des Ankers ist.It is therefore the object of the invention to provide an armature bearing for a hinged armature relay which is particularly simple and inexpensive to manufacture and which is particularly insensitive to manufacturing tolerances of the yoke and the armature.
Diese Aufgabe wird erfindungsgemäß dadurch gelöst, daß die Ankerhaltefeder mindestens zwei einstückig angeformte Federhaken ausbildet, von denen jeweils ein erster Teilabschnitt flächig an der Oberseite des Ankers anliegt und von denen jeweils ein zweiter Teilabschnitt, welcher etwa rechtwinklig gegenüber dem jeweils ersten Teilabschnitt und um den Anker herum abgebogen ist und fast flächig an der Außenseite des Joches anliegt, wenn sich der Anker in Ruhestellung befindet und daß die Ankerhaltefeder zudem einstückig eine Rückstellfeder ausbildet, die ebenfalls eine etwa rechtwinklige Abbiegung gegenüber der Längsrichtung des Ankers aufweist.This object is achieved in that the anchor holding spring forms at least two integrally molded spring hooks, each of which a first section lies flat against the top of the anchor and each of which has a second section, which is approximately at right angles to the respective first section and around the anchor is bent around and rests almost flat on the outside of the yoke when the armature is in the rest position and that the armature retaining spring also integrally forms a return spring which also has an approximately right-angled bend with respect to the longitudinal direction of the armature.
Die erfindungsgemäße Ankerlagerung ist in vielerlei Hinsicht vorteilhaft. So ist ein Relais mit einer erfindungsgemäßen Ankerlagerung besonders einfach und kostengünstig herstellbar, da es aus besonders wenigen Einzelteilen besteht, da die mit dem Anker verbundene Flachformfeder einstückig sowohl die Schaltkontaktfeder als auch die Rückstellfeder für den Anker sowie auch die Federhaken für die Ankerlagerung ausbildet. Weitere Federkräfte aufbringende Bauteile werden vorteilhafterweise nicht benötigt.The anchor bearing according to the invention is advantageous in many ways. Thus, a relay with an armature bearing according to the invention is particularly simple and inexpensive to produce, since it consists of particularly few individual parts, since the flat spring connected to the armature integrally forms both the switch contact spring and the return spring for the armature and also the spring hooks for the armature bearing. Advantageously, additional components that apply spring forces are not required.
Ebenfalls vorteilhaft ist, daß sowohl das Joch als auch der Anker besonders einfach ausgebildet sein können und insbesondere keine besonderen Prägungen oder Schnitte aufweisen. Damit ist die Herstellung dieser Bauelemente sehr einfach und kostengünstig, zumal deren Ebenheitstoleranzen recht groß sein dürfen.It is also advantageous that both the yoke and the armature can be particularly simple and in particular have no special embossments or cuts. This makes the production of these components very simple and inexpensive, especially since their flatness tolerances can be quite large.
Die Lage der Schaltkontakte zueinander wird bei der erfindungsgemäßen Ankerlagerung nur noch durch die Flachformfeder bestimmt, nicht jedoch durch den Anker, wodurch eine Verkürzung der Kette von Toleranzen, welche für den Kontaktversatz verantwortlich ist, erzielt wird.The position of the switch contacts in relation to one another in the armature bearing arrangement according to the invention is only determined by the flat spring, but not by the armature, as a result of which the chain of tolerances which is responsible for the contact offset is shortened.
Die Ankerlagerung ermöglicht dabei dem Anker und der damit verbundenen Ankerhaltefeder sich relativ, bezüglich der Festkontakte in einem definierten Rahmen, frei bewegen zu können, wobei der Bewegungsspielraum nicht durch mechanische Endanschläge, sondern durch Federwirkung gedämpft eingeschränkt wird. Dadurch wird bei mit zunehmender Lebensdauer der Kontakte erhöhtem Kontaktabbrand die dann zunehmende Gefahr des mechanischen Verhakens der ursprünglich beweglichen Kontakte gemindert. Demnach bleibt eine Begrenzung der Ankerbeweglichkeit, welche immer einen für die Lebensdauer schädlichen Kontaktversatz bewirkt, erhalten.The armature mounting enables the armature and the armature retaining spring connected to it to be able to move freely relative to the fixed contacts in a defined frame, the freedom of movement not being limited mechanical end stops, but is damped by spring action. As a result, with increasing contact wear as the service life of the contacts increases, the then increasing risk of mechanical interlocking of the originally movable contacts is reduced. Accordingly, a limitation of the armature mobility, which always causes a contact misalignment that is harmful to the service life, is retained.
Weitere vorteilhafte Ausgestaltungen und Weiterbildungen gehen aus den Unteransprüchen hervor.Further advantageous refinements and developments emerge from the subclaims.
So ist es vorteilhaft, daß Abschnitte der Ankerhaltefeder Längsseiten des Ankers umgreifen, wodurch ein Verdrehen der Ankerhaltefeder gegenüber dem Anker auf einfache Weise verhindert wird.So it is advantageous that sections of the armature retaining spring engage around the long sides of the armature, whereby twisting of the armature retaining spring relative to the armature is prevented in a simple manner.
Ebenfalls vorteilhaft ist es, daß der freie Endabschnitt der Rückstellfeder an eine Anschlußklemme fixiert ist und daß die Stromzuführung zu den beweglichen Schaltkontakten über die Rückstellfeder erfolgt, da hierdurch den Schaltkontakten der Laststrom über einen breiten und niederohmigen Abschnitt der Ankerhaltefeder direkt zugeführt wird, so daß auf zusätzliche, die Stromleitung begünstigende Mittel, wie z. B. geflochtene Kupferbänder oder ähnliches verzichtet werden kann. Zudem kann durch Verbiegen der mit der Rückstellfeder verbundenen Anschlußklemme auf einfache Weise die Rückstellkraft der Rückstellfeder und damit auch die Mindestanzugsspannung beeinflußt werden.It is also advantageous that the free end portion of the return spring is fixed to a connection terminal and that the current supply to the movable switch contacts is carried out via the return spring, since this causes the load current to be directly supplied to the switch contacts over a wide and low-resistance section of the armature retaining spring, so that additional means favoring the power line, such as e.g. B. braided copper strips or the like can be omitted. In addition, the restoring force of the return spring and thus also the minimum tightening voltage can be influenced in a simple manner by bending the connecting terminal connected to the return spring.
Ein Ausführungsbeispiel einer erfindungsgemäßen Ankerlagerung ist in der Zeichnung dargestellt und soll im folgenden näher erläutert werden.An embodiment of an anchor bearing according to the invention is shown in the drawing and will be explained in more detail below.
Es zeigen
Figur 1- die erfindungsgemäße Ankerlagerung anhand einer Prinzipskizze;
Figur 2- ein elektromagnetisches Relais mit einer erfindungsgemäßen Ankerlagerung.
- Figure 1
- the anchor bearing according to the invention based on a schematic diagram;
- Figure 2
- an electromagnetic relay with an armature bearing according to the invention.
Figur 1 zeigt die Prinzipskizze einer erfindungsgemäßen Ankerlagerung unter Weglassung aller nicht zur Erläuterung benötigten Teile des Klappankerrelais.Figure 1 shows the schematic diagram of an anchor bearing according to the invention with omission of all parts of the folding armature relay not required for explanation.
Erkennbar ist eine Magnetspule (6) und ein L-förmig um die Magnetspule (6) herumgelegtes Joch (3).A magnet coil (6) and an L-shaped yoke (3) placed around the magnet coil (6) can be seen.
Der Anker (1) ist derart gelagert, daß ein Endabschnitt des Ankers (1) auf einer Stirnseite des Joches (3) aufliegt, und zwar ohne daß formschlüssig ineinandergreifende Mittel an Joch (3) und Anker (1) vorgesehen sind.The armature (1) is mounted in such a way that an end section of the armature (1) rests on an end face of the yoke (3), without any interlocking means being provided on the yoke (3) and armature (1).
Mit dem Anker (1) ist die Ankerhaltefeder (2) vernietet. Die Ankerhaltefeder (2) bildet einstückig zwei angeformte Federhaken (4) aus, von denen jeweils ein erster Teilabschnitt (4a) flächig an der Oberseite des Ankers (1) anliegt und von denen jeweils ein zweiter Teilabschnitt (4b), welcher etwa rechtwinklig gegenüber dem jeweils ersten Teilabschnitt (4a) und um den Anker herum abgebogen ist, und fast flächig an der Außenseite des Joches (3) anliegt, wenn sich der Anker (1) in Ruhestellung befindet.The anchor retaining spring (2) is riveted to the anchor (1). The armature retaining spring (2) forms in one piece two molded spring hooks (4), of which a first section (4a) lies flat against the top of the armature (1) and a second section (4b), which is approximately at right angles to the each first section (4a) and around the armature is bent, and rests almost flat on the outside of the yoke (3) when the armature (1) is in the rest position.
Die Ankerhaltefeder (2) bildet zudem einstückig eine Rückstellfeder (5) aus, die ebenfalls eine etwa rechtwinklige Abbiegung gegenüber der Längsrichtung des Ankers (1) aufweist, wobei der Endabschnitt der Rückstellfeder an geeigneter (in der Figur 1 nicht dargestellter) Stelle fixiert ist. Diese Stelle kann vorteilhafterweise eine Anschlußklemme sein, über dem der mindestens eine Schaltkontakt (7) mit dem zu schaltenden Laststrom beaufschlagt werden kann.The armature retaining spring (2) also forms in one piece a return spring (5) which also has an approximately right-angled bend with respect to the longitudinal direction of the armature (1), the end section of the return spring being fixed at a suitable point (not shown in FIG. 1). This point can advantageously be a connecting terminal, via which the load current to be switched can be applied to the at least one switching contact (7).
Das Prinzip der erfindungsgemäßen Ankerlagerung besteht nun darin, daß die Lagerung des Ankers nicht durch starre mechanische Begrenzungen, sondern durch verschiedene Federkräfte der Ankerhaltefeder (2) erfolgt. Die Rückstellfeder (5) erzeugt hierbei eine den Anker von der Magnetspule (6) zurücktreibende Kraft, sowie auch eine Kraftkomponente in Längsrichtung des Ankers (1). Durch das Gleichgewicht dieser Kräfte wird der Anker (1) immer wieder in seine Ausgangsstellung zurückgeführt.The principle of the armature bearing according to the invention is that the armature is not supported by rigid mechanical limitations, but by different spring forces of the armature retaining spring (2). The return spring (5) generates a force that drives the armature back from the magnet coil (6), as well as a force component in the longitudinal direction of the armature (1). Due to the balance of these forces, the armature (1) is always returned to its starting position.
Zur weiteren Verdeutlichung zeigt die Figur 2 ein fertig montiertes Relais, welches eine erfindungsgemäße Ankerlagerung aufweist.For further clarification, FIG. 2 shows a fully assembled relay which has an armature bearing according to the invention.
Das Relais ist auf eine Grundplatte (8) montiert und weist mehrere Anschlußklemmen auf, die auf der Unterseite der Grundplatte (8) Flachstecker (9) ausbilden.The relay is mounted on a base plate (8) and has a plurality of connection terminals which form flat plugs (9) on the underside of the base plate (8).
An einer dieser Anschlußklemmen (11) ist ein Endabschnitt der Rückstellfeder (5) fixiert. Durch Biegen dieser Anschlußklemme (11) kann dabei die Vorspannung der Rückstellfeder (5) und damit der Ankerhaltefeder (2), und damit wiederum die Mindestanzugsspannung des Relais beeinflußt werden.An end section of the return spring (5) is fixed to one of these connection terminals (11). By bending this terminal (11), the bias of the return spring (5) and thus the armature retaining spring (2), and thus in turn the minimum tightening voltage of the relay can be influenced.
Als weiteres vorteilhaftes Merkmal ist in der Figur 2 ein Abschnitt (12) der Ankerhaltefeder (2) zu erkennen, der eine Längsseite des Ankers (1) umgreift, wodurch die Ankerhaltefeder (2) gegenüber dem Anker (1) gegen Verdrehen gesichert ist.As a further advantageous feature, a section (12) of the armature retaining spring (2) can be seen in FIG.
- 11
- Ankeranchor
- 22nd
- AnkerhaltefederAnchor retaining spring
- 33rd
- Jochyoke
- 44th
- FederhakenSpring hook
- 4a4a
- Erster Teilabschnitt (des Federhakens (4))First section (of the spring hook (4))
- 4b4b
- Zweiter Teilabschnitt (des Federhakens (4))Second section (of the spring hook (4))
- 55
- RückstellfederReturn spring
- 66
- MagnetspuleSolenoid
- 77
- SchaltkontaktSwitch contact
- 88th
- GrundplatteBase plate
- 99
- FlachsteckerFlat connector
- 1010th
- Endabschnitt (der Rückstellfeder (5))End section (of the return spring (5))
- 1111
- AnschlußklemmeConnector
- 1212th
- Abschnitt (der Ankerhaltefeder (2))Section (the anchor retaining spring (2))
Claims (3)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19544625A DE19544625C2 (en) | 1995-11-30 | 1995-11-30 | Armature bearing for a hinged armature relay |
| DE19544625 | 1995-11-30 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP0777249A2 true EP0777249A2 (en) | 1997-06-04 |
| EP0777249A3 EP0777249A3 (en) | 1997-10-08 |
Family
ID=7778796
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP96118663A Ceased EP0777249A3 (en) | 1995-11-30 | 1996-11-21 | Bearing of armature for a relay with rockable armature |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US5900791A (en) |
| EP (1) | EP0777249A3 (en) |
| DE (1) | DE19544625C2 (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6679488B2 (en) * | 2000-05-08 | 2004-01-20 | Tyco Electronics Amp Gmbh | Armature spring for a relay |
| DE102005030046B4 (en) * | 2005-06-27 | 2020-03-12 | Te Connectivity Germany Gmbh | Electromechanical normally closed relay and a method with which currents can be switched |
| DE102015201703A1 (en) | 2015-01-30 | 2016-08-04 | Te Connectivity Germany Gmbh | Low-noise switching electrical switching device |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4320831C1 (en) | 1993-06-23 | 1994-07-07 | Hella Kg Hueck & Co | Armature bearing for a hinged armature relay |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1489972B2 (en) * | 1965-08-27 | 1971-05-06 | E Haller & Co, 7209 Wehingen | PINLESS FLAP ANCHOR MOUNTING FOR RELAY |
| CA1209184A (en) * | 1983-02-28 | 1986-08-05 | Mitsuki Nagamoto | Electromagnetic relay structure |
| DE3329239A1 (en) * | 1983-08-12 | 1985-02-21 | Siemens AG, 1000 Berlin und 8000 München | ELECTROMAGNETIC RELAY |
| US4720694A (en) * | 1985-05-22 | 1988-01-19 | Siemens Aktiengesellschaft | Electromagnetic relay |
| AT389958B (en) * | 1986-03-24 | 1990-02-26 | Uninorm Anstalt | RELAY |
| DE3806807A1 (en) * | 1988-03-03 | 1989-09-14 | Standard Elektrik Lorenz Ag | ELECTROMAGNETIC RELAY |
| ATE91041T1 (en) * | 1988-12-23 | 1993-07-15 | Siemens Ag | ELECTROMAGNETIC RELAY. |
| US5703550A (en) * | 1995-12-26 | 1997-12-30 | General Motors Corporation | Magnetic latching relay |
-
1995
- 1995-11-30 DE DE19544625A patent/DE19544625C2/en not_active Expired - Fee Related
-
1996
- 1996-11-21 EP EP96118663A patent/EP0777249A3/en not_active Ceased
- 1996-11-22 US US08/754,113 patent/US5900791A/en not_active Expired - Lifetime
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4320831C1 (en) | 1993-06-23 | 1994-07-07 | Hella Kg Hueck & Co | Armature bearing for a hinged armature relay |
Also Published As
| Publication number | Publication date |
|---|---|
| EP0777249A3 (en) | 1997-10-08 |
| DE19544625C2 (en) | 2001-05-31 |
| DE19544625A1 (en) | 1997-06-05 |
| US5900791A (en) | 1999-05-04 |
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