EP1239108A2 - Edge switch for closure-edge security - Google Patents

Edge switch for closure-edge security Download PDF

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Publication number
EP1239108A2
EP1239108A2 EP01129046A EP01129046A EP1239108A2 EP 1239108 A2 EP1239108 A2 EP 1239108A2 EP 01129046 A EP01129046 A EP 01129046A EP 01129046 A EP01129046 A EP 01129046A EP 1239108 A2 EP1239108 A2 EP 1239108A2
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EP
European Patent Office
Prior art keywords
contact
safety edge
elements
edge according
safety
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
EP01129046A
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German (de)
French (fr)
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EP1239108B1 (en
EP1239108A3 (en
Inventor
André Haake
Oliver Haake
Patrick Haake
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Individual
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Individual
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Publication of EP1239108A3 publication Critical patent/EP1239108A3/en
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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H3/00—Mechanisms for operating contacts
    • H01H3/02—Operating parts, i.e. for operating driving mechanism by a mechanical force external to the switch
    • H01H3/14—Operating 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
    • H01H3/141—Cushion or mat switches
    • H01H3/142—Cushion or mat switches of the elongated strip type
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05F15/00—Power-operated mechanisms for wings
    • E05F15/40—Safety devices, e.g. detection of obstructions or end positions
    • E05F15/42—Detection using safety edges
    • E05F15/44—Detection using safety edges responsive to changes in electrical conductivity
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05F15/00—Power-operated mechanisms for wings
    • E05F15/40—Safety devices, e.g. detection of obstructions or end positions
    • E05F15/42—Detection using safety edges
    • E05F15/44—Detection using safety edges responsive to changes in electrical conductivity
    • E05F2015/447—Detection using safety edges responsive to changes in electrical conductivity using switches in serial arrangement
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H3/00—Mechanisms for operating contacts
    • H01H3/02—Operating parts, i.e. for operating driving mechanism by a mechanical force external to the switch
    • H01H3/14—Operating 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
    • H01H3/141—Cushion or mat switches
    • H01H2003/146—Cushion or mat switches being normally closed

Definitions

  • the invention relates to a safety bar as a safety edge according to the preamble of the main claim.
  • a generic safety edge is z. B. in the EP 0 234 523 A2.
  • Such a known safety edge consists essentially of "Contact elements”, which usually consist of plastic and have a “contact line”, the contact line has “contact points” at the end of each contact element, with which the individual contact elements are live get in touch.
  • Contact elements which usually consist of plastic and have a “contact line”
  • These contact elements with their contact lines and contact points are under tension, the either through an elastic tube or through an expander cord or is achieved by wire spring assemblies.
  • the contact elements exist in the generic device each from a contact roller, so they are cylindrical, the contact rollers at the ends of the contact points create abutting each other.
  • an expander cord is arranged, which the individual Contact rollers with their contact points towards each other in the axial direction to force.
  • Insulating wedge rings arranged with radial to the insulating ring axis aligned, protruding into the interior of the insulating rings Provide wedge surfaces between the individual contact rollers are.
  • the manufacturing effort for such a safety edge is relative consuming. It was perceived as disadvantageous that the Preload from dexterity and conscientiousness the operator tying the expander cords at the ends is dependent. So it was not a constant Preload guaranteed.
  • the knot at the end of the expander cords is extremely time consuming and requires dexterity and cannot be mechanized.
  • the assembly of the safety edge requires several operations.
  • the invention has for its object to a safety edge create that can be trained very flat and at constant pre-tensioning through appropriate construction of the component achieving the elastic prestress is guaranteed.
  • Such elastic flat bands can be designed as a rubber band be or as a double fabric with elasto fibers or through one made up of several intersecting and undercutting threads elastic braid.
  • Holes can be made in these flat strips during manufacture be incorporated, which have a constant distance have and serve to accommodate fasteners.
  • the actual safety edge consists of a contact element and a clamping plate, with fasteners either on the clamping plate or on the contact element are provided and on the cooperating with it Counter element holding recesses are provided. These fasteners can by the in the ribbon provided openings grip and lock the two interacting components, namely the contact element with the clamping plate while defining the elastic ribbon.
  • the procedure here is such that the hole spacing in the Ribbon is smaller than the distance between the contact elements or the fastening elements provided for the clamping plate, so that the ribbon is stretched during assembly and the necessary preload is generated.
  • the interaction of the fastener with the holding recess can be done like a push button or the fastener is mushroom-shaped and is in the holding recess clipped.
  • the contact element or the clamping plate is a protruding fastening element has that with a countermeasure in the other component interacts by clamping, d.
  • H. the Ribbon is pre-tensioned. After that, contact element and clamping plate pressed together, which the Ribbon in the corresponding recess of either the contact element or the clamping plate with a positive fit is pinched. Appropriate pre-tensioning of the ribbon is possible via appropriate force measurement.
  • Fig. 1, 1 and 2 are two contact elements, which consist of a contact line 5 and each contact points 4 and form a safety edge 3 in the assembly.
  • the contact elements 1 or 2 consist of a contact element 10 and a clamping plate 6, the one shown in FIG. 3
  • the contact element 10 has a fastening element 11 and the clamping plate 6 a Retaining recess 14.
  • the fastener 11 is there mushroom-shaped and can - as this is particularly clear
  • Fig. 1 shows - cross through the holding recess 14 and will with the interposition of an elastic ribbon 8 with the holding recess 14 clipped.
  • the elastic pretension with which the contact lines 5 bear against one another at their contact points 4 is achieved by means of an elastic flat strip 8.
  • receiving holes 9 are provided in this, which are at a distance a from one another.
  • Fig. 1 it is shown that the distance of the fastening elements 11 from each other is at a distance b , the distance a being smaller than the distance b , so that during assembly the fastening elements 11 automatically pass through the receiving holes 9 of the flat strip 8
  • Flat tape is placed under tension and thus the contact elements 1 and 2 are forced towards each other at their contact points 4 under tension.
  • the elastic flat band 8 can be designed as a rubber band be in which corresponding openings 9 are provided or the elastic flat band 8 is as a double fabric worked band formed with elasto fibers, whereby also an elastic strand can be used, which consists of one or several threads crossing and crossing becomes.
  • Such strands are in the textile industry including the one there already known holes are known and for example used as a tether in underwear.
  • the fasteners 11 and 12 on the contact elements 10 are arranged, it is of course also possible proceed in reverse and fasteners 11 and 12 to be provided on the clamping plate 6.
  • the contact line 5 is as Metal strips formed, the contact elements on the front 10 overlaps and forms the contact points 4 here.
  • Either the contact elements 10 as well as the clamping plates 6 are usually made of plastic.
  • the flat strip 8 Since the hole spacing a of the flat strip 8 is smaller than the distance b between the fastening elements 11 and 12 of the contact-making elements 10, the flat strip 8 is stretched during assembly and thus a fixed, constant pretension is generated.

Landscapes

  • Clamps And Clips (AREA)
  • Push-Button Switches (AREA)
  • Pens And Brushes (AREA)

Abstract

The switch rail (3) has a number of contact elements (1,2) arranged in series along the length of the switch rail, with contact points (4) at their facing ends held in contact with one another, the connection between the contact points broken by deformation of the switch rail upon application of an applied external force. The spring bias holding the contact points together is provided by a flat elastic rubber band (8).

Description

Die Erfindung bezieht sich auf eine Sicherheitsleiste als Schaltleiste gemäß dem Oberbegriff des Hauptanspruches.The invention relates to a safety bar as a safety edge according to the preamble of the main claim.

Eine gattungsbildende Schaltleiste wird z. B. in der EP 0 234 523 A2 beschrieben.A generic safety edge is z. B. in the EP 0 234 523 A2.

Eine solche bekannte Schaltleiste besteht im wesentlichen aus "Kontaktelementen", die üblicherweise aus Kunststoff bestehen und eine "Kontaktleitung" aufweisen, wobei die Kontaktleitung endseitig an jedem Kontaktelement "Kontaktstellen" aufweist, womit die einzelnen Kontaktelemente untereinander stromführend in Kontakt kommen. Diese Kontaktelemente mit ihren Kontaktleitungen und Kontaktstellen stehen unter Vorspannung, die entweder durch einen elastischen Schlauch oder durch eine Expanderschnur oder durch Draht-Federanordnungen erzielt wird.Such a known safety edge consists essentially of "Contact elements", which usually consist of plastic and have a "contact line", the contact line has "contact points" at the end of each contact element, with which the individual contact elements are live get in touch. These contact elements with their contact lines and contact points are under tension, the either through an elastic tube or through an expander cord or is achieved by wire spring assemblies.

Bei der gattungsbildenden Einrichtung bestehen die Kontaktelemente je aus einer Kontaktrolle, sind also walzenförmig ausgebildet, wobei die Kontaktrollen an den Stirnenden die 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 Isolierkeilringe angeordnet, die mit radial zur Isolierringachse ausgerichteten, in den Innenraum der Isolierringe vorspringenden Keilflächen zwischen den einzelnen Kontaktrollen versehen sind. Der Herstellungsaufwand für eine solche Schaltleiste ist relativ aufwendig. So wurde als nachteilig empfunden, dass die Vorspannung von der Fingerfertigkeit und der Gewissenhaftigkeit der die Expanderschnüre an den Enden verknotenden Bedienungsperson abhängig ist. Es war also keine gleichbleibende Vorspannung garantiert. Das Knoten am Ende der Expanderschnüre ist außerordentlich zeitaufwendig und erfordert Fingerfertigkeit und kann nicht mechanisiert werden.The contact elements exist in the generic device each from a contact roller, so they are cylindrical, the contact rollers at the ends of the contact points create abutting each other. Inside the contact rollers an expander cord is arranged, which the individual Contact rollers with their contact points towards each other in the axial direction to force. Are between the individual contact roles Insulating wedge rings arranged with radial to the insulating ring axis aligned, protruding into the interior of the insulating rings Provide wedge surfaces between the individual contact rollers are. The manufacturing effort for such a safety edge is relative consuming. It was perceived as disadvantageous that the Preload from dexterity and conscientiousness the operator tying the expander cords at the ends is dependent. So it was not a constant Preload guaranteed. The knot at the end of the expander cords is extremely time consuming and requires dexterity and cannot be mechanized.

Die Montage der Schaltleiste erfordert mehrere Arbeitsgänge.The assembly of the safety edge requires several operations.

Zudem kommt bei den mit Expanderschnüren arbeitenden Schaltleisten der Nachteil hinzu, dass die Expanderschnüre eine Stärke von 2 - 3 mm aufweisen, so dass also das eigentliche Kontaktelement relativ hochbauend ausgebildet sein muß. Ein solcher Nachteil tritt besonders dann in Erscheinung, wenn die Schaltleiste für sogenannte Schaltmatten eingesetzt werden soll, wie sie beispielsweise in der EP 421 048 B1 beschrieben sind.In addition, comes with those working with expander cords Safety edge added the disadvantage that the expander cords a Have a thickness of 2 - 3 mm, so that is the real thing Contact element must be relatively tall. On such a disadvantage occurs particularly when the Safety edge to be used for so-called safety mats, as described for example in EP 421 048 B1.

Der Erfindung liegt die Aufgabe zugrunde, eine Schaltleiste zu schaffen, die sehr flachbauend ausgebilde sein kann und bei der eine gleichbleibende Vorspannung durch entsprechende Konstruktion des die elastische Vorspannung erzielenden Bauteiles gewährleistet wird.The invention has for its object to a safety edge create that can be trained very flat and at constant pre-tensioning through appropriate construction of the component achieving the elastic prestress is guaranteed.

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.

Vorteilhafte Ausgestaltungen sind in den Unteransprüchen erläutert.Advantageous configurations are explained in the subclaims.

Mit anderen Worten ausgedrückt wird vorgeschlagen, dass die bisher im Stand der Technik übliche Expanderschnur durch ein elastisches Flachband ersetzt wird, das also nicht mehr die bei Expanderschnüren zwangsläufig gegebene Höhe aufweist.In other words, it is suggested that the hitherto conventional expander cord by a elastic flat ribbon is replaced, which is no longer the case Expander cords necessarily have a given height.

Solche elastischen Flachbänder können als Gummiband ausgebildet sein oder als Doppelgewebe mit Elastofasern oder durch eine aus mehreren sich über- und unterkreuzenden Fäden gebildete elastische Litze.Such elastic flat bands can be designed as a rubber band be or as a double fabric with elasto fibers or through one made up of several intersecting and undercutting threads elastic braid.

In diese Flachbänder können bei der Herstellung Aufnahmelöcher eingearbeitet werden, die einen gleichbleibenden Abstand aufweisen und zur Aufnahme von Befestigungselementen dienen.Holes can be made in these flat strips during manufacture be incorporated, which have a constant distance have and serve to accommodate fasteners.

Die eigentliche Schaltleiste besteht aus einem Kontaktaufnahmeelement und einer Klemmplatte, wobei Befestigungselemente entweder an der Klemmplatte oder an dem Kontaktaufnahmeelement vorgesehen sind und an dem damit zusammenarbeitenden Gegenelement Halteausnehmungen vorgesehen sind. Diese Befestigungselemente können durch die in dem Flachband vorgesehenen Öffnungen greifen und verriegeln die beiden zusammenwirkenden Bauteile, nämlich das Kontaktaufnahmeelement mit der Klemmplatte bei gleichzeitiger Festlegung des elastischen Flachbandes.The actual safety edge consists of a contact element and a clamping plate, with fasteners either on the clamping plate or on the contact element are provided and on the cooperating with it Counter element holding recesses are provided. These fasteners can by the in the ribbon provided openings grip and lock the two interacting components, namely the contact element with the clamping plate while defining the elastic ribbon.

Hierbei wird so vorgegangen, dass der Lochabstand in dem Flachband kleiner ist als der Abstand der an den Kontaktaufnahmeelementen oder der Klemmplatte vorgesehenen Befestigungselementen, so dass das Flachband bei der Montage gedehnt wird und dadurch die nötige Vorspannung erzeugt wird. The procedure here is such that the hole spacing in the Ribbon is smaller than the distance between the contact elements or the fastening elements provided for the clamping plate, so that the ribbon is stretched during assembly and the necessary preload is generated.

Das Zusammenwirken des Befestigungselementes mit der Halteausnehmung kann druckknopfartig erfolgen oder das Befestigungselement ist pilzkopfartig ausgebildet und ist in die Halteausnehmung einclipbar.The interaction of the fastener with the holding recess can be done like a push button or the fastener is mushroom-shaped and is in the holding recess clipped.

Es kann aber auch so vorgegangen werden, dass das Kontaktaufnahmeelement oder die Klemmplatte ein vorstehendes Befestigungselement aufweist, das mit einer Gegenaufnahme in dem anderen Bauteil klemmend zusammenwirkt, d. h. das Flachband wird vorgespannt. Danach werden Kontaktaufnahmeelement und Klemmplatte zusammengedrückt, wodurch das Flachband in die entsprechende Vertiefung entweder des Kontaktaufnahmeelementes oder der Klemmplatte formschlüssig eingeklemmt wird. Eine entsprechende Vorspannung des Flachbandes ist über entsprechende Kraftmessung möglich.But it can also be done so that the contact element or the clamping plate is a protruding fastening element has that with a countermeasure in the other component interacts by clamping, d. H. the Ribbon is pre-tensioned. After that, contact element and clamping plate pressed together, which the Ribbon in the corresponding recess of either the contact element or the clamping plate with a positive fit is pinched. Appropriate pre-tensioning of the ribbon is possible via appropriate force measurement.

Zusammenfassend ist festzustellen, dass durch den erfindungsgemäßen Vorschlag einerseits eine flachbauende Ausführung geschaffen wird, andererseits eine einfachere Montage als bisher möglich wird. Erfindungsgemäß wird erreicht, dass immer eine gleichbleibende Vorspannung gewährleistet ist und das Knoten am Ende der Expanderschnüre wird vermieden. Die Montage der Schaltleiste und die Erzeugung der Vorspannung erfolgt in einem Arbeitsgang.In summary, it should be noted that the inventive Proposal on the one hand a flat construction is created, on the other hand, a simpler assembly than before becomes possible. According to the invention it is always achieved a constant preload is guaranteed and that Knots at the end of the expander cords are avoided. The Assembly of the safety edge and the generation of the preload takes place in one operation.

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

Fig. 1
einen Teil einer Schaltleiste, in
Fig. 2
einen Flachbandabschnitt, in
Fig. 3
den Zusammenbau zwischen Kontaktaufnahmeelement, Flachband und Klemmplatte und in
Fig. 4
eine abgeänderte Ausführungsform.
Embodiments of the invention are explained below with reference to the drawings. The drawings show in
Fig. 1
part of a safety edge, in
Fig. 2
a ribbon section, in
Fig. 3
the assembly between the contact element, ribbon and clamping plate and in
Fig. 4
a modified embodiment.

In Fig. 1 sind mit 1 und 2 zwei Kontaktelemente bezeichnet, die aus einer Kontaktleitung 5 und jeweils Kontaktstellen 4 bestehen und im Zusammenbau eine Schaltleiste 3 bilden. Die Kontaktelemente 1 oder 2 bestehen aus einem Kontaktaufnahmeelement 10 und einer Klemmplatte 6, wobei bei dem in Fig. 3 dargestellten Ausführungsbeispiel das Kontaktaufnahmeelement 10 ein Befestigungselement 11 aufweist und die Klemmplatte 6 eine Halteausnehmung 14. Das Befestigungselement 11 ist dabei pilzkopfartig ausgebildet und kann - wie dies besonders deutlich Fig. 1 zeigt - die Halteausnehmung 14 durchqueren und wird unter Zwischenschaltung eines elastischen Flachbandes 8 mit der Halteausnehmung 14 verclipt.In Fig. 1, 1 and 2 are two contact elements, which consist of a contact line 5 and each contact points 4 and form a safety edge 3 in the assembly. The contact elements 1 or 2 consist of a contact element 10 and a clamping plate 6, the one shown in FIG. 3 Embodiment the contact element 10 has a fastening element 11 and the clamping plate 6 a Retaining recess 14. The fastener 11 is there mushroom-shaped and can - as this is particularly clear Fig. 1 shows - cross through the holding recess 14 and will with the interposition of an elastic ribbon 8 with the holding recess 14 clipped.

Die elastische Vorspannung, mit der die Kontaktleitungen 5 an ihren Kontaktstellen 4 aneinander anliegen, wird durch ein elastisches Flachband 8 erzielt. Bei dem in Fig. 2 dargestellten Flachband 8 sind in diesem Aufnahmelöcher 9 vorgesehen, die einen Abstand a voneinander aufweisen. In Fig. 1 ist dargestellt, dass der Abstand der Befestigungselemente 11 voneinander einen Abstand b aufweist, wobei der Abstand a kleiner ist als der Abstand b, so dass beim Zusammenbau automatisch dadurch, dass die Befestigungselemente 11 die Aufnahmelöcher 9 des Flachbandes 8 durchqueren, das Flachband unter Vorspannung gesetzt wird und damit auch die Kontaktelemente 1 und 2 an ihren Kontaktstellen 4 unter Vorspannung aufeinanderzu gezwungen werden.The elastic pretension with which the contact lines 5 bear against one another at their contact points 4 is achieved by means of an elastic flat strip 8. In the flat strip 8 shown in FIG. 2, receiving holes 9 are provided in this, which are at a distance a from one another. In Fig. 1 it is shown that the distance of the fastening elements 11 from each other is at a distance b , the distance a being smaller than the distance b , so that during assembly the fastening elements 11 automatically pass through the receiving holes 9 of the flat strip 8 Flat tape is placed under tension and thus the contact elements 1 and 2 are forced towards each other at their contact points 4 under tension.

Bei dem Ausführungsbeispiel gemäß Fig. 4 sind in dem Kontaktaufnahmeelement 10 Vorsprünge vorgesehen, die die Befestigungselemente 12 bilden, wobei in der Klemmplatte 6 entsprechende Vertiefungen vorgesehen sind, die eine Klemmaufnahme 15 in Verbindung mit dem Befestigungselement 12 und dem Flachband 8 schaffen. Bei diesem Ausführungsbeispiel durchqueren also die Befestigungselemente 12 das Flachband 8 nicht, sondern das Flachband 8 wird vorgespannt und danach werden das Kontaktaufnahmeelement 10 und die Klemmplatte 6 zusammengedrückt. Hierdurch wird das Flachband in der Klemmaufnahme 15 formschlüssig geklemmt, so dass kein Loch in dem elastischen Flachband 8 vorgesehen werden muß. Die erforderliche Vorspannung des Flachbandes 8 wird hierbei über eine Kraftmessvorrichtung ermöglicht.4 are in the contact element 10 protrusions provided the fasteners Form 12, 6 corresponding in the clamping plate Wells are provided which have a clamping receptacle 15 in connection with the fastener 12 and the Create ribbon 8. Cross through in this embodiment that is, the fastening elements 12, the flat strip 8 not, but the ribbon 8 is biased and then the contact element 10 and the clamping plate 6 pressed together. As a result, the ribbon is in the Clamping receptacle 15 positively clamped so that no hole must be provided in the elastic ribbon 8. The required pretension of the flat strip 8 is in this case allows a force measuring device.

Das elastische Flachband 8 kann als Gummiband ausgebildet sein, in dem entsprechende Öffnungen 9 vorgesehen werden oder das elastische Flachband 8 ist als ein als Doppelgewebe gearbeitetes Band ausgebildet mit Elastofasern, wobei auch eine elastische Litze eingesetzt werden kann, die aus einem oder mehreren sich über- und unterkreuzenden Fäden gebildet wird. Solche Litzen sind in der Textilindustrie einschl. der dort bereits vorgesehenen Löcher bekannt und werden beispielsweise als Halteband in der Unterwäsche eingesetzt.The elastic flat band 8 can be designed as a rubber band be in which corresponding openings 9 are provided or the elastic flat band 8 is as a double fabric worked band formed with elasto fibers, whereby also an elastic strand can be used, which consists of one or several threads crossing and crossing becomes. Such strands are in the textile industry including the one there already known holes are known and for example used as a tether in underwear.

Während in der voraufgehenden Figurenbeschreibung die Befestigungselemente 11 und 12 an den Kontaktaufnahmeelementen 10 angeordnet sind, ist es selbstverständlich auch möglich, umgekehrt vorzugehen und die Befestigungselemente 11 und 12 an der Klemmplatte 6 vorzusehen. Die Kontaktleitung 5 ist als Metallstreifen ausgebildet, die stirnseitig die Kontaktaufnahmeelemente 10 übergreift und hier die Kontaktstellen 4 bildet. Sowohl die Kontaktaufnahmeelemente 10 wie auch die Klemmplatten 6 bestehen üblicherweise aus Kunststoff. Beim Zusammenbau der eigentlichen Schaltleiste 3 wird gegenüber den zum Stand der Technik gehörenden Einrichtungen ein wesentlich vereinfachter Montageaufwand erreicht und es wird eine gleichbleibende Vorspannung gewährleistet, die unabhängig von der manuellen Fertigkeit der die Schaltleiste 3 zusammenbauenden Person ist. Ein Verknoten oder sonstiges Festlegen des elastischen Flachbandes 8 ist nicht mehr erforderlich und die Montage der Schaltleiste und die Erzeugung der Vorspannung erfolgen in einem Arbeitsgang. While in the previous figure description the fasteners 11 and 12 on the contact elements 10 are arranged, it is of course also possible proceed in reverse and fasteners 11 and 12 to be provided on the clamping plate 6. The contact line 5 is as Metal strips formed, the contact elements on the front 10 overlaps and forms the contact points 4 here. Either the contact elements 10 as well as the clamping plates 6 are usually made of plastic. When assembling the actual safety edge 3 is compared to the State of the art facilities essential Simplified assembly effort achieved and it becomes a constant Ensures bias regardless of the manual skill of assembling the safety edge 3 Person is. A knotting or otherwise setting the elastic Flat ribbon 8 is no longer required and assembly the safety edge and the generation of the bias voltage in one operation.

Da der Lochabstand a des Flachbandes 8 kleiner ist als der Abstand b zwischen den Befestigungselementen 11 und 12 der Kontaktaufnahmeelemente 10, wird das Flachband 8 bei der Montage gedehnt und damit eine festliegende, gleichbleibende Vorspannung erzeugt.Since the hole spacing a of the flat strip 8 is smaller than the distance b between the fastening elements 11 and 12 of the contact-making elements 10, the flat strip 8 is stretched during assembly and thus a fixed, constant pretension is generated.

Claims (10)

Sicherheitsleiste als Schaltleiste mit einer elektrischen Schalteinrichtung, wobei die Sicherheitsleiste (3) aus einer Vielzahl von Kontaktelementen (1, 2) besteht, die unter Vorspannung aneinandergereiht angeordnet sind und die Kontaktelemente (1, 2) in Ruhestellung an stirnseitig vorgesehenen Kontaktstellen (4) einer Kontaktleitung (5) unter Vorspannung aneinander anliegen und unter der Einwirkung einer äußeren Kraft bei örtlicher Verformung der Schaltleiste den Kontakt unterbrechend auseinanderbewegt werden, dadurch gekennzeichnet, dass zur Vorspannung ein elastisches Flachband (8) eingesetzt ist.Safety bar as a safety edge with an electrical switching device, the safety bar (3) consisting of a plurality of contact elements (1, 2) which are arranged in a row under pretension and the contact elements (1, 2) in the rest position at contact points (4) provided on the end face Contact line (5) lie against one another under pretension and, under the action of an external force in the event of local deformation of the switching strip, the contact is moved apart intermittently, characterized in that an elastic flat strip (8) is used for pretensioning. Schaltleiste nach Anspruch 1, dadurch gekennzeichnet, dass als elastisches Flachband (8) ein Gummiband eingesetzt ist.Safety edge according to claim 1, characterized in that a rubber band is used as the elastic flat band (8). Schaltleiste nach Anspruch 1, dadurch gekennzeichnet, dass als elastisches Flachband (8) ein als Doppelgewebe gearbeitetes Band mit Elastofasern eingesetzt ist.Safety edge according to claim 1, characterized in that a band made of double fabric with elasto fibers is used as the elastic flat band (8). Schaltleiste nach Anspruch 1, dadurch gekennzeichnet, dass als elastisches Flachband (8) eine aus mehreren sich über- und unterkreuzenden Fäden gebildete elastischeSafety edge according to claim 1, characterized in that as the elastic flat band (8) is an elastic formed from a plurality of crossing and undercutting threads Litze eingesetzt wird.Stranded wire is used. Schaltleiste nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass das Flachband (8) mit Aufnahmelöchern (9) für Befestigungselemente (11) versehen ist.Safety edge according to one of the preceding claims, characterized in that the flat strip (8) is provided with receiving holes (9) for fastening elements (11). Schaltleiste nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die Schaltleiste (3) Köntaktaufnahmeelemente (10) und Klemmplatten (6) aufweist, wobei die Befestigungselemente (11) an dem Kontaktaufnahmeelement (10) oder der Klemmplatte (6) angeordnet sind und die Klemmplatte (6) oder das Kontaktaufnahmeelement (10) mit Halteausnehmungen (14) versehen sind.Safety edge according to one of the preceding claims, characterized in that the safety edge (3) has contact receiving elements (10) and clamping plates (6), the fastening elements (11) being arranged on the contact receiving element (10) or the clamping plate (6) and the clamping plate (6) or the contact element (10) are provided with holding recesses (14). Schaltleiste nach Anspruch 6, dadurch gekennzeichnet, dass das Befestigungselement (11) und die Halteausnehmung (14) druckknopfartig zusammenwirken.Safety edge according to claim 6, characterized in that the fastening element (11) and the holding recess (14) cooperate like a push button. Schaltleiste nach Anspruch 6, dadurch gekennzeichnet. dass das Befestigungselement (11) pilzkopfartig ausgebildet ist und in die Halteausnehmung (14) einclipbar ist.Safety edge according to claim 6, characterized. that the fastening element (11) is formed like a mushroom head and can be clipped into the holding recess (14). Schaltleiste nach einem der vorhergehenden Ansprüche 1 bis 5, dadurch gekennzeichnet, dass die Schaltleiste (3) Kontaktaufnahmeelemente (10) und Klemmplatten (6) aufweist, wobei Befestigungselemente (12) an der Klemmplatte (6) oder dem Kontaktaufnahmeelement (10) angeordnet sind und das Kontaktaufnahmeelement (10) oder die Klemmplatte (6) mit Klemmaufnahmen (15) für Befestigungselemente (12) und das Flachband (8) ausgerüstet sind.Safety edge according to one of the preceding claims 1 to 5, characterized in that the safety edge (3) has contact elements (10) and clamping plates (6), fastening elements (12) being arranged on the clamping plate (6) or the contact element (10) and the contact element (10) or the clamping plate (6) are equipped with clamping receptacles (15) for fastening elements (12) and the flat strip (8).
EP01129046A 2001-03-06 2001-12-07 Edge switch for closure-edge security Expired - Lifetime EP1239108B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10110643 2001-03-06
DE10110643A DE10110643C1 (en) 2001-03-06 2001-03-06 Safety switch rail has contact between adjacent contact elements broken by deformation of switch rail by external force

Publications (3)

Publication Number Publication Date
EP1239108A2 true EP1239108A2 (en) 2002-09-11
EP1239108A3 EP1239108A3 (en) 2009-06-24
EP1239108B1 EP1239108B1 (en) 2010-02-10

Family

ID=7676421

Family Applications (1)

Application Number Title Priority Date Filing Date
EP01129046A Expired - Lifetime EP1239108B1 (en) 2001-03-06 2001-12-07 Edge switch for closure-edge security

Country Status (4)

Country Link
EP (1) EP1239108B1 (en)
AT (1) ATE457405T1 (en)
DE (2) DE10110643C1 (en)
ES (1) ES2339422T3 (en)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0234523A2 (en) 1986-02-28 1987-09-02 Werner Haake Closure-edge security
EP0421048B1 (en) 1989-09-30 1993-05-19 Haake, André Safety edge

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4240622C2 (en) * 1992-12-03 1995-12-14 Mayser Gmbh & Co Safety mat or circuit board
DE19647720B4 (en) * 1996-11-19 2004-05-13 Wampfler Aktiengesellschaft Closing edge safety edge

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0234523A2 (en) 1986-02-28 1987-09-02 Werner Haake Closure-edge security
EP0421048B1 (en) 1989-09-30 1993-05-19 Haake, André Safety edge

Also Published As

Publication number Publication date
DE10110643C1 (en) 2002-04-25
DE50115340D1 (en) 2010-03-25
EP1239108B1 (en) 2010-02-10
EP1239108A3 (en) 2009-06-24
ES2339422T3 (en) 2010-05-20
ATE457405T1 (en) 2010-02-15

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