EP1120527B1 - Edge switch for closing edge safety device - Google Patents

Edge switch for closing edge safety device Download PDF

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Publication number
EP1120527B1
EP1120527B1 EP01101714A EP01101714A EP1120527B1 EP 1120527 B1 EP1120527 B1 EP 1120527B1 EP 01101714 A EP01101714 A EP 01101714A EP 01101714 A EP01101714 A EP 01101714A EP 1120527 B1 EP1120527 B1 EP 1120527B1
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EP
European Patent Office
Prior art keywords
contact
elements
hose
safety
strip
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EP01101714A
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German (de)
French (fr)
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EP1120527A3 (en
EP1120527A2 (en
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André Haake
Oliver Haake
Patrick Haake
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Individual
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Individual
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    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H3/00Mechanisms for operating contacts
    • H01H3/02Operating parts, i.e. for operating driving mechanism by a mechanical force external to the switch
    • H01H3/14Operating parts, i.e. for operating driving mechanism by a mechanical force external to the switch adapted for operation by a part of the human body other than the hand, e.g. by foot
    • H01H3/141Cushion or mat switches
    • H01H3/142Cushion or mat switches of the elongated strip type
    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05FDEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05F15/00Power-operated mechanisms for wings
    • E05F15/40Safety devices, e.g. detection of obstructions or end positions
    • E05F15/42Detection using safety edges
    • E05F15/44Detection using safety edges responsive to changes in electrical conductivity
    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05FDEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05F15/00Power-operated mechanisms for wings
    • E05F15/40Safety devices, e.g. detection of obstructions or end positions
    • E05F15/42Detection using safety edges
    • E05F15/44Detection using safety edges responsive to changes in electrical conductivity
    • E05F2015/447Detection using safety edges responsive to changes in electrical conductivity using switches in serial arrangement
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H3/00Mechanisms for operating contacts
    • H01H3/02Operating parts, i.e. for operating driving mechanism by a mechanical force external to the switch
    • H01H3/14Operating parts, i.e. for operating driving mechanism by a mechanical force external to the switch adapted for operation by a part of the human body other than the hand, e.g. by foot
    • H01H3/141Cushion or mat switches
    • H01H2003/146Cushion or mat switches being normally closed

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  • Push-Button Switches (AREA)
  • Fuses (AREA)
  • Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
  • Switch Cases, Indication, And Locking (AREA)
  • Air Bags (AREA)
  • Details Of Connecting Devices For Male And Female Coupling (AREA)

Abstract

The safety switch rail has a number of contact elements (1,2), each incorporating a number of contact lines (5,6), positioned one after the other along a deformable hose (3), with the contact points between their corresponding contact lines separated upon deformation of the hose. The contact lines may be positioned eccentrically relative to each contact element, with an expander wire (9) fitting through the center of each contact line.

Description

Die Erfindung bezieht sich auf eine Sicherheitsleiste für eine Schließkanten-Sicherung als Schaltleiste gemäß dem Oberbegriff des Hauptanspruches.The invention relates to a safety bar for a Closing edge protection as a safety edge according to the generic term of the main claim.

Eine gattungsbildende Schließkanten-Sicherung ist in der WO 99/57401 beschrieben.A generic closing edge protection is in the WO 99/57401.

Eine Schaltleiste z. B. gemäß der EP 0 234 523 weist einen "elektrischen Anschluß" auf und ein "Befestigungsprofil", das ein "Gummimantelprofil" trägt, das durch Gummiverschlußkappen verschlossen werden kann. In dem Gummimantelprofil ist an der druckbeaufschlagten Seite des Gummimantelprofiles eine "Sicherheitsleiste" angeordnet. A safety edge z. B. according to EP 0 234 523 has one "electrical connection" on and a "mounting profile", the one "Rubber jacket profile" carries that through rubber caps can be closed. In the rubber jacket profile is on the pressurized side of the rubber jacket profile one "Security bar" arranged.

Die Sicherheitsleiste z. B. gemäß der EP 0 103 726 A besteht im wesentlichen aus "Kontaktelementen", die üblicherweise aus Kunststoff bestehen und mittig eine "Kontaktleitung" aufweisen, wobei die Kontaktleitungen endseitig an jedem Kontaktelement "Kontaktstellen" aufweisen, womit die einzelnen Kontaktelemente untereinander stromführend in Kontakt kommen. Diese Kontaktelemente mit ihren Kontaktleitungen und Kontaktstellen sind in einem elastischen "Schlauch" angeordnet und werden von diesem getragen, wobei der elastische Schlauch im Gummimanatelprofil der Schaltleiste angeordnet wird.The security bar z. B. according to EP 0 103 726 A. essentially from "contact elements" that are usually made up of Plastic and have a "contact line" in the middle, the contact lines at the end of each contact element Have "contact points", with which the individual contact elements come into contact with each other in a current-carrying manner. These contact elements with their contact lines and contact points arranged in an elastic "hose" and are made by this worn, with the elastic hose in the rubber manatee profile the safety edge is arranged.

Gemäß der FR 21 35 922 A1 bestehen die Kontaktelemente aus Kugeln, die aus einem aus weichem Werkstoff bestehenden Schlauch angeordnet sind. Die Kugeln weisen einen Durchmesser auf, der etwas kleiner ist als der Innendurchmesser des weichen Schlauches, wobei während des Einfüllens der Kugeln in den Schlauch der Schlauch elastisch gelängt wird. Noch in diesem gelängten Zustand werden die beiden Mündungen des Schlauches mit Stopfen verschlossen, an die die elektrischen Zuleitungen anschließen. Die Stopfen erzeugen in Verbindung mit dem gespannten Schlauch innerhalb des gespannten Schlauches die erforderliche Vorspannung, mit der die Kugeln aneinander anliegen.According to FR 21 35 922 A1, the contact elements exist of balls made of a soft material Hose are arranged. The balls have a diameter which is slightly smaller than the inside diameter of the soft hose, taking while filling the balls the hose is stretched elastically into the hose. Still in the two mouths of the Hose closed with a plug to which the electrical Connect supply lines. The plugs produce in connection with the tensioned hose inside the tensioned Hose the required preload with which the balls abut each other.

Werden die Kugeln voneinander durch einen örtlichen Verformungsdruck voneinander entfernt, wird der Strom unterbrochen und ein Signal erzeugt.The balls are separated from each other by a local deformation pressure apart from each other, the power is cut and generates a signal.

Die bekannte Anordnung hat in der Praxis keinen Eingang gefunden, da die Kugeln sich in dem weichen Schlauch nicht zentrieren, sondern um der erzeugten Vorspannung durch den Schlauch auszuweichen, gegeneinander verschieben, so daß keine geradlinige Kugelkette im Endeinbauzustand vorliegt. Die Kugeln können dabei die äußere Oberfläche des Schlauches verformen, so daß Schwierigkeiten beim Einbau des Schlauches bestehen, aber auch die nicht zentrierten Kugeln verhindern ggf. bei Auftreten des örtlichen Verformungsruckes die notwendige Signalgebung.The known arrangement has not been used in practice, because the balls don't center in the soft tube, but about the generated preload by the Dodge hose, move against each other, so that there is no straight ball chain in the final installation state. The Balls can cover the outer surface of the hose deform so that difficulties in installing the hose exist, but the non-centered balls may also prevent if the local deformation pressure occurs, the necessary Signaling.

In der WO 97/38 199 wird eine Schließkanten-Sicherung beschrieben, bei welcher in einem elastischen Schlauch ein der Form der Kontaktelemente angepaßtes, die Kontaktelemente jeweils einzeln aufnehmendes,elastisches Kontaktelementebett ausgearbeitet ist, das ortsfest in bezug zum Schlauch und an der kraftbeaufschlagten Seite des Schlauches angeordnet ist, so daß die Kontaktelemente einerseits ortsfest in dem Kontaktelementebett gelagert sind und andererseits der Biegeradius in der Mittelachse der durch die Kontaktelemente gebildeten Kontaktkette größer ist als der Biegeradius des eigentlichen Kontaktelementebettes. In dieser Literaturstelle wird auch vorgeschlagen, daß zusätzlich die Kontaktelemente von einer Expanderschnur durchzogen sein können.WO 97/38 199 describes a closing edge safety device in which one of the elastic tubes Adapted shape of the contact elements, the contact elements individually accommodating, elastic contact element bed is worked out, the stationary with respect to the hose and on the pressurized side of the hose is arranged, so that the contact elements are stationary on the one hand in the contact element bed are stored and on the other hand the bending radius in the Central axis of the contact chain formed by the contact elements is greater than the bending radius of the actual contact element bed. This reference also suggests that in addition the contact elements of an expander cord can be pulled through.

Diese Anordnung ist aufwendig, da das Ausformen der Kontaktelementebetten natürlich einen Formaufwand bedeutet und sichergestellt sein muß, daß die Anordnung der Kontaktelementebetten und die Größe der Kontaktelemente derart zueinander angepaßt ist, daß sich im Ruhezustand die Kontaktelemente berühren.This arrangement is complex because the contact elements are shaped of course means a formal effort and it must be ensured that the arrangement of the contact element beds and the size of the contact elements to each other is adapted that the contact elements touch in the idle state.

In der EP 0 234 523 A wird eine Schließkanten-Sicherung beschrieben, bei welcher die Kontaktelemente je aus einer Kontaktrolle bestehen, also walzenförmig ausgebildet sind, wobei die Kontaktrollen an den Stirnenden Kontaktstellen schaffend aneinander anliegen. Im Inneren der Kontaktrollen ist eine Expanderschnur angeordnet, die die einzelnen Kontaktrollen mit ihren Kontaktstellen in axialer Richtung aufeinanderzu zwingen. Zwischen den einzelnen Kontaktrollen sind Isolierringe angeordnet, die mit radial zur Isolierringachse ausgerichteten, in den Innenraum der Isolierringe vorspringenden Keilflächen zwischen den einzelnen Kontaktrollen angeordnet sind.EP 0 234 523 A describes a closing edge safety device in which the contact elements each from a contact roll exist, that is, are formed in a roller shape, wherein creating the contact rollers at the front contact points abut each other. There is an expander cord inside the contact rolls arranged that the individual contact roles with their Force contact points towards each other in the axial direction. Insulating rings are arranged between the individual contact rollers, those with radial to the insulating ring axis, in the interior of the insulating rings protruding wedge surfaces between the individual contact roles are arranged.

Der Herstellungsaufwand für diese Schließkanten-Sicherung ist relativ hoch.The manufacturing effort for this closing edge fuse is quite high.

Allen im Stand der Technik bekannten Sicherheitsleisten ist eigen, daß die Kontaktelemente nur eine Kontaktleitung aufweisen und damit nur eine Kontaktstelle schaffen, so daß nur ein Stromkreis möglich ist.All security strips known in the prior art is peculiar that the contact elements have only one contact line and thus create only one contact point, so that only one Circuit is possible.

Bei den im Stand der Technik bekannten Anordnungen wurde weiterhin als nachteilig empfunden, daß der Kippwinkel, der erforderlich ist, um die Kontaktstellen der Kontaktleitungen der Kontaktelemente voneinander zu trennen, relativ groß sein muß.In the arrangements known in the prior art furthermore found to be disadvantageous that the tilt angle required is to the contact points of the contact lines of the Separating contact elements from each other must be relatively large.

Der Erfindung liegt die Aufgabe zugrunde, ein Kontaktelement für eine Sicherheitsleiste zu schaffen, bei welcher mehrere Stromkreise möglich sind, z. B. eine zweikanalige Ausführung und wobei gleichzeitig erreichbar ist, daß sehr kleine Kippwinkel notwendig sind, um die Kontaktleitungen im Bereich ihrer Kontaktstellen voneinander zu trennen. The invention has for its object a contact element to create for a safety bar, in which several Circuits are possible, e.g. B. a two-channel version and at the same time it can be achieved that very small tilt angle are necessary to the contact lines in the area of their contact points separate from each other.

Diese der Erfindung zugrundeliegende Aufgabe wird durch die Lehre des Hauptanspruches gelöst.This object of the invention is achieved by Teaching of the main claim solved.

Vorzugsweise sind dabei die Kontaktleitungen in den Kontaktelementen exzentrisch angeordnet.The contact lines are preferably in the contact elements eccentrically arranged.

Mit anderen Worten ausgedrückt wird vorgeschlagen, daß in dem Kontaktelement mehrere Kontaktleitungen untergebracht werden, die mit ihren Kontaktstellen stirnseitig im Bereich des Kontaktelementes an Kontaktstellen des nächsten Kontaktelementes anliegen. Hierbei ist es möglich, um einen Mittelpunkt mehrere, d. h. also nicht nur zwei Kontaktleitungen anzuordnen.In other words, it is suggested that in the contact element housed several contact lines with their contact points on the front side in the area of the Contact element at contact points of the next contact element issue. Here it is possible to have a center point several, d. H. not just to arrange two contact lines.

Die Kontaktleitungen können dabei wie im Stand der Technik ausgebildet sein, d. h. als Rohre, Nieten, Stifte usw. oder können gemäß der Erfindung auch als eine Drahtleitung ausgebildet sein.The contact lines can be as in the prior art be trained, d. H. as pipes, rivets, pins etc. or can also according to the invention as a wire line be trained.

Werden rohrförmige Kontaktleitungen eingesetzt, ist es möglich, durch diese rohrförmigen Kontaktleitungen eine Expanderschnur oder eine Draht-Federanordnung einzubauen. Es ist aber auch möglich, in einem gesonderten, zentralen Kanal im Kontaktelement diese die erforderliche Vorspannung schaffenden Bauteile unterzubringen.If tubular contact lines are used, it is possible to an expander cord through these tubular contact lines or install a wire spring assembly. But it is also possible in a separate, central channel in the contact element these create the necessary preload To accommodate components.

In grundsätzlicher Weiterbildung der Erfindung wird auch vorgeschlagen, daß die die Vorspannung schaffenden Elemente als Vorspannelemente ausgebildet sind, die mit den Kontaktleitungen in den Kontaktelementen fluchtende Kontaktleitungen aufweisen, wobei die Vorspannelemente form- oder kraft- oder materialschlüssig mit den Kontaktelementen verbunden sind, wobei die Verbindung dieser Vorspannelemente miteinander die erforderliche Vorspannung der Kontaktelemente bewirkt.In a basic development of the invention, it is also proposed that that the prestressing elements as Biasing elements are formed which are connected to the contact lines have aligned contact lines in the contact elements, wherein the biasing elements are positive or non-positive or material are connected to the contact elements, wherein the connection of these biasing elements to each other the required Preloading the contact elements causes.

Hierbei können die Vorspannelemente elastisch ausgebildet sein, wobei es möglich ist, daß beide Vorspannelemente elastisch ausgebildet sind, z. B. aus Gummi bestehen oder aber nur ein Vorspannelement elastisch ist, das andere starr ist, z. B. aus einem starren Kunststoffteil besteht, und mit dem elastischen Kunststoffteil des nächsten Vorspannelementes zusammenwirkt. Die Verbindung zwischen derartigen Vorspannelementen kann über pilzartige, an einem Vorspannelement festgelegten und in einen entsprechenden Hohlraum des anderen Vorspannelementes eingreifenden Bauteilen erreicht werden.Here, the biasing elements can be made elastic be, it is possible that both biasing elements are elastic are trained, e.g. B. consist of rubber or just one biasing element is elastic, the other is rigid, e.g. B. from consists of a rigid plastic part, and with the elastic Plastic part of the next biasing element interacts. The connection between such biasing elements can over mushroom-like, fixed to a biasing element and in a corresponding cavity of the other biasing element engaging components can be achieved.

Unabhängig von den vorstehenden Erläuterungen ist es selbstverständlich möglich, die Vorspannung der einzelnen Kontaktelemente, durch die diese aufeinanderzu gezwungen werden, durch Federelemente zu schaffen, wie sie beispielsweise in der älteren DE 199 37 731 erläutert sind.Regardless of the above explanations, it goes without saying possible the preload of the individual contact elements, which force them towards each other to create by spring elements, such as in the older DE 199 37 731 are explained.

Der Einsatz der vorstehend erläuterten Vorspannelemente hat weiterhin den Vorteil, daß die eigentlichen Kontaktelemente als Profilstab extrudiert werden können, in welchem die Kontaktleitungen entsprechend angeordnet sind, wobei dann an der Schnittfläche der Kontakt zwischen dem dann anzuschließenden Vorspannelement und den in diesem angeordneten Kontaktleitungen erfolgt.The use of the biasing elements explained above has further the advantage that the actual contact elements as Profile rod can be extruded in which the contact lines are arranged accordingly, then at the Cut the contact between the then to be connected Preload element and the contact lines arranged in this he follows.

Grundsätzlich sei darauf hingewiesen, daß die Ausbildung des Kontaktelementes zur Lösung der der Erfindung zugrundeliegenden Aufgabe und bei Anwendung des diese Aufgabe lösenden Erfindungsvorschlages rund, flach oder teilkugelförmig ausgebildet sein kann.Basically, it should be noted that the training of Contact element for solving the basis of the invention Task and when using the solution to this task Proposed invention round, flat or partially spherical can be.

So wie in der FR 21 35 922 beschrieben, kann das gesamte Kontaktelement aus einem leitförmigen Werkstoff bestehen, wobei dann die Isolierung über stirnseitig angebrachte Vorspannelemente erfolgen kann, wobei natürlich die Kontaktelemente nicht kugelförmig ausgebildet sein können, da in diesen Kugeln das Unterbringen mehrerer Kontaktleitungen nicht möglich ist.As described in FR 21 35 922, the whole Contact element consist of a conductive material, wherein then the insulation using pre-tensioning elements on the front can take place, of course, the contact elements cannot be spherical, because in these balls it is not possible to accommodate several contact lines.

Der erfindungsgemäße Vorschlag gibt weiterhin den Vorteil, daß bei zwei Kontaktleitungen in einem Kontaktelement ein geschlossener Kreislauf innerhalb der Sicherheitsleiste geschaffen werden kann, wodurch eine wesentlich einfacherere Montage erreichbar ist.The proposal according to the invention also gives the advantage that with two contact lines in a contact element a closed Circulation created within the security bar can be, which makes installation much easier is achievable.

Ausführungsbeispiele der Erfindung werden nachfolgend anhand der Zeichnungen erläutert. Die Zeichnungen zeigen dabei in

Fig. 1
einerseits im Längsschnitt zwei miteinander verbundene Kontaktelemente, andererseits im Querschnitt, wobei in diesem Kontaktelementen vier Kontaktleitungen untergebracht sind, in
Fig. 2
die Anordnung gemäß Fig. 1 im Unterbrecherzustand, in
Fig. 3
eine abgeänderte Ausführungsform, wobei die Kontaktelemente über Vorspannelemente miteinander verbunden sind, in
Fig. 4
eine abgeänderte Ausführungsform der Verbindung der Vorspannelemente, in
Fig. 5
eine abgeänderte Ausführungsform der Kontaktstellen in einem Kontaktelement und in
Fig. 6
eine Sicherheitsleiste, bei welcher ein geschlossener Kreislauf innerhalb der Sicherheitsleiste geschaffen ist.
Embodiments of the invention are explained below with reference to the drawings. The drawings show in
Fig. 1
on the one hand in longitudinal section two interconnected contact elements, on the other hand in cross section, four contact lines being accommodated in this contact element, in
Fig. 2
the arrangement of FIG. 1 in the interrupter state, in
Fig. 3
a modified embodiment, wherein the contact elements are connected to each other via biasing elements in
Fig. 4
a modified embodiment of the connection of the biasing elements, in
Fig. 5
a modified embodiment of the contact points in a contact element and in
Fig. 6
a safety bar, in which a closed circuit is created within the safety bar.

In Fig. 1 sind mit 1 und 2 zwei Kontaktelemente bezeichnet, die aus Kunststoff bestehen und beispielsweise rollenförmig ausgebildet sind, wobei in diesen Kontaktelementen Kontaktleitungen 5, 6, 7 und 8 untergebracht sind, die in ihrem Kopfbereich Kontaktstellen bildend aneinander anliegen. Die Kontaktelemente 1 und 2 sind in einem Schlauch 3 untergebracht.In Fig. 1, 1 and 2 denote two contact elements that consist of plastic and, for example, roll-shaped are, contact lines in these contact elements 5, 6, 7 and 8 are housed, the contact points in their head area form-fitting to each other. The contact elements 1 and 2 are housed in a hose 3.

Gemäß Fig. 2 bezeichnet der Pfeil 4 die Trennstelle zwischen zwei Kontaktstellen der Kontaktleitung 6.2 the arrow 4 denotes the separation point between two contact points of the contact line 6.

Innerhalb der rohr- oder hülsenförmig ausgebildeten Kontaktleitungen 5 bis 8 ist bei dem dargestellten Ausführungsbeispiel jeweils eine Expanderschnur 9 angeordnet, die die erforderliche Vorspannung zur Anlage der Kontaktelemente 1, 2 aneinander bewirkt.Within the tubular or sleeve-shaped contact lines 5 to 8 is in the illustrated embodiment each an expander cord 9 arranged, the required Preload for the contact elements 1, 2 against one another causes.

Bei der Ausführungsform gemäß Fig. 3 sind beispielsweise die Kontaktelemente 1 und 2 hohl ausgebildet und die Endbereiche der Kontaktelemente 1 und 2 werden durch Vorspannelemente 10 und 11 verschlossen. Diese Vorspannelemente 10 und 11 weisen Kontaktleitungen 5a, 6a und 5b und 6b auf, die an ihren Kontaktstellen aneinaner anliegen. Rückseitig schließen an die Kontaktleitungen 5a und 6a bzw. 5b und 6b elektrische Leitungen 12 und 12a an, die zu den an dem anderen Ende des Kontaktelementes angeordneten Vorspannelement führen.3 are, for example Contact elements 1 and 2 are hollow and the end regions of the contact elements 1 and 2 are by means of biasing elements 10 and 11 closed. These biasing elements 10 and 11 have contact lines 5a, 6a and 5b and 6b on their Contact points are close to each other. On the back connect to the Contact lines 5a and 6a or 5b and 6b electrical lines 12 and 12a to that at the other end of the contact element lead arranged biasing element.

Die Verbindung der Vorspannelemente 10 und 11 erfolgt bei der Darstellung gemäß Fig. 3 durch einen nahezu kugelförmigen Kopf 14 am Vorspannelement 11, der in eine entsprechende Aufnahmeöffnung im Vorspannelement 10 eingeführt werden kann und hier verrastet. Hierbei kann das Vorspannelement 10 beispielsweise elastischer ausgebildet sein als das Vorspannelement 11, so daß hierdurch die entsprechende Zugspannung zwischen den beiden Kontaktelementen 1 und 2 erreicht wird.The connection of the biasing elements 10 and 11 takes place at the Representation according to FIG. 3 by an almost spherical Head 14 on the biasing element 11, which in a corresponding Receiving opening in the biasing element 10 are inserted can and locked here. Here, the biasing element 10 for example, be more elastic than the biasing element 11, so that thereby the corresponding tensile stress between the two contact elements 1 and 2 is reached.

Die Ausführungsform gemäß Fig. 4 unterscheidet sich von der Ausführungsform gemäß Fig. 3 nur durch die andere Ausbildung der Verrastung zwischen den beiden Vorspannelementen 10 und 11, wobei bei der Ausführungsform gemäß Fig. 4 ein pilzförmiger Rastkopf 14 dargestellt ist.4 differs from that 3 only by the other training the latching between the two biasing elements 10 and 11, being a mushroom-shaped in the embodiment according to FIG Locking head 14 is shown.

Die Darstellung in Fig. 5 zeigt, daß die Kontaktstellen der Kontaktleitungen auch viertelkreisförmig ausgebildet sein können und damit einen sehr großen Anlagebereich schaffen, der zu einer guten Schaltleistung führt.The illustration in Fig. 5 shows that the contact points of the contact lines can also be formed in a quarter circle and thus create a very large investment area that good switching performance.

Bei der Ausführungsform gemäß Fig. 6 wird innerhalb der Sicherheitsleiste, die durch eine Vielzahl von Kontaktelementen 1 und 2 gebildet wird, ein geschlossener Stromkreis dadurch geschaffen, daß einenendes der Sicherheitsleiste eine Endstückbrücke 15 vorgesehen ist, während anderenendes ein Verschlußelement als Stecker 16 eingesetzt wird. Hierdurch wird eine wesentlich einfachere Montage erreicht. 6 is within the Safety bar through a variety of contact elements 1 and 2 is formed, a closed circuit is created by that one end of the safety bar is an end piece bridge 15 is provided while the other end is a closure member is used as connector 16. This will create a much easier assembly achieved.

Während im voraufgehenden immer davon ausgegangen wird, daß die Kontaktelemente 1, 2 aus einem elektrisch isolierenden Werkstoff bestehen, ist es aber auch durchaus möglich, daß die Kontaktelemente 1, 2 aus einem leitfähigen Werkstoff geschaffen werden, wobei dann die Isolierung über jeweils stirnseitig angebrachte Vorspannelemente aus nicht leitfähigem Werkstoff mit eingearbeiteten Kontaktleitungen erfolgt.While the previous one always assumes that the contact elements 1, 2 from an electrically insulating Material exist, but it is also quite possible that the Contact elements 1, 2 created from a conductive material be, then the insulation over each end attached prestressing elements made of non-conductive material with integrated contact lines.

Claims (6)

  1. Safety strip for a closing-edge safety device as a switching strip with an electrical switching arrangement, whereby the safety strip comprises a plurality of contact elements (1, 2) arranged one after another in a hose (3) and in the rest position, the contact elements (1, 2) lie against one another at contact sites provided on the end faces of a contact conductor provided in each contact element and under the influence of an external force with local deformation of the hose (3), are moved apart from each other interrupting the contact, characterised in that in each individual contact element (1, 2) a plurality of contact lines (5, 6, 7, 8) are arranged so that a plurality of current circuits are possible with the safety strip.
  2. Safety strip for a switching strip according to Claim 1, characterised in that the contact lines (5, 6, 7, 8) are arranged eccentrically in the contact element (1, 2).
  3. Safety strip for a switching strip according to Claim 1 or 2, characterised in that it has a tensioning device (9) creating the pretensioning of the contact elements (1, 2) in the hose (3), said tensioning device being designed as an expander cord or a wire spring arrangement and arranged centrally in the contact element (1, 2).
  4. Safety strip for a switching strip according to Claim 1 or 2, characterised in that it has a tensioning device (9) creating the pretensioning of the contact elements (1, 2) in the hose (3), said tensioning device being designed as expander cord or spring arrangement and arranged eccentrically in the contact element (1, 2).
  5. Safety strip for a switching strip according to one of the previous claims, characterised in that the contact elements (1, 2) are firmly held against each other under tension by a force-fitting or form-fitting elastic connection.
  6. Safety strip for a switching strip according to one of the previous claims 1, 2 or 5, characterised in that the tensioning device is designed as pretensioning elements (10, 11) having contact lines (5a, 6a, 5b, 6b) aligned with the contact lines (5, 6, 7, 8) in the contact element, whereby the pretensioning elements (10, 11) are linked in form-fitting, force-fitting or material-fitting manner to the contact elements (2) and the connection of the pretensioning elements (10, 11) to each other brings about the required pretensioning of the contact elements (2).
EP01101714A 2000-01-25 2001-01-25 Edge switch for closing edge safety device Expired - Lifetime EP1120527B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10002926A DE10002926C1 (en) 2000-01-25 2000-01-25 Safety switch rail for closure edge has contact points between contact lines within serial switch elements along deformable hose separated by hose deformation
DE10002926 2000-01-25

Publications (3)

Publication Number Publication Date
EP1120527A2 EP1120527A2 (en) 2001-08-01
EP1120527A3 EP1120527A3 (en) 2001-10-17
EP1120527B1 true EP1120527B1 (en) 2003-02-05

Family

ID=7628556

Family Applications (1)

Application Number Title Priority Date Filing Date
EP01101714A Expired - Lifetime EP1120527B1 (en) 2000-01-25 2001-01-25 Edge switch for closing edge safety device

Country Status (4)

Country Link
EP (1) EP1120527B1 (en)
AT (1) ATE232261T1 (en)
DE (2) DE10002926C1 (en)
ES (1) ES2192185T3 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1707724A2 (en) 2005-04-02 2006-10-04 André Haake Safety strip for a closing edge safety device

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102004025786B3 (en) * 2004-04-29 2005-04-28 Andre Haake Safety switch rail for automatic opening or closing device has reception body for contact elements acting as contact rails with wedge element used for separation of contacts upon application of external pressure
DE20103732U1 (en) * 2001-03-03 2001-06-21 Haake Andre Pressure-sensitive switching device in the form of a flat safety mat
DE10155466A1 (en) * 2001-11-12 2003-05-22 Karlheinz Beckhausen Closing edge safety profile
DE502004004751D1 (en) * 2004-04-29 2007-10-04 Andre Haake Safety bar as a safety edge
DE202010008757U1 (en) * 2010-05-07 2011-09-02 Gummi-Welz Gmbh U. Co. Kg Gummi-Kunststofftechnik-Schaumstoffe switching arrangement

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE7115862U (en) * 1971-04-24 1972-11-30 R Bosch Gmbh CONTACT FOR SAFETY DEVICES AT ENGINE LOCKABLE OPENINGS IN THE CONSTRUCTION OF MOTOR VEHICLES, PREFERABLY ON VEHICLE WINDOWS
DE3001231A1 (en) * 1980-01-15 1981-07-23 Arnold 7918 Illertissen Butzbach Roller door lowering motor safety mechanism - has switches on chain links below bottom slat stopping motor if deflected
CH657474A5 (en) * 1982-09-13 1986-08-29 Inventio Ag SAFETY BAR.
DE3606499C1 (en) * 1986-02-28 1987-07-16 Werner Haake Closing edge securing
DE19613436C1 (en) * 1996-04-04 1997-06-05 Andre Haake Box edge securing device
JP2002513878A (en) * 1998-05-02 2002-05-14 アンドレ ハーケ Closing edge safety device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1707724A2 (en) 2005-04-02 2006-10-04 André Haake Safety strip for a closing edge safety device

Also Published As

Publication number Publication date
ES2192185T3 (en) 2003-10-01
ATE232261T1 (en) 2003-02-15
DE10002926C1 (en) 2001-01-25
EP1120527A3 (en) 2001-10-17
EP1120527A2 (en) 2001-08-01
DE50100096D1 (en) 2003-03-13

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