EP1447511B1 - Safety edge - Google Patents

Safety edge Download PDF

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Publication number
EP1447511B1
EP1447511B1 EP04001793A EP04001793A EP1447511B1 EP 1447511 B1 EP1447511 B1 EP 1447511B1 EP 04001793 A EP04001793 A EP 04001793A EP 04001793 A EP04001793 A EP 04001793A EP 1447511 B1 EP1447511 B1 EP 1447511B1
Authority
EP
European Patent Office
Prior art keywords
safety strip
spacer
tube
strip according
contact element
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.)
Expired - Lifetime
Application number
EP04001793A
Other languages
German (de)
French (fr)
Other versions
EP1447511A2 (en
EP1447511A3 (en
Inventor
Frank Homberger
Jean-Marc Sztejkowski
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mayser GmbH and Co KG
Original Assignee
Mayser GmbH and Co KG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Mayser GmbH and Co KG filed Critical Mayser GmbH and Co KG
Publication of EP1447511A2 publication Critical patent/EP1447511A2/en
Publication of EP1447511A3 publication Critical patent/EP1447511A3/en
Application granted granted Critical
Publication of EP1447511B1 publication Critical patent/EP1447511B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • 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
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME RELATING TO HINGES OR OTHER SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS AND DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION, CHECKS FOR WINGS AND WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05Y2600/00—Mounting or coupling arrangements for elements provided for in this subclass
    • E05Y2600/40—Mounting location; Visibility of the elements
    • 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 strip according to the preamble of claim 1.
  • the contact chain is formed by a plurality of contact elements, which are strung together along the safety strip by means of a guide device and are compressed by an axial bias along the safety strip, wherein the bias is generated by cuff-shaped pieces of hose, which in an alternating sequence two engage over each other adjacent contact elements and press the contact zones of these contact elements against each other.
  • This safety bar can be assembled by the customer in a simple way and individually adapted to the specific customer needs, in particular with regard to the length of the safety strip by arranging a suitable number of contact elements in a row and connected to each other by means of the hose pieces.
  • the contact element chain thus formed is then subsequently inserted into an elastic tube whose end-side openings are finally sealed by closure elements in order to protect the switching device from environmental influences and moisture.
  • the closure elements are glued or vulcanized with the elastic tube. This has proved to be disadvantageous because subsequent changes, in particular a shortening of the safety strip, is no longer possible. Furthermore, it has proven to be problematic to provide measures that allow the aligned to the individual needs of the customer assembly of a safety bar in any length. Since the individual contact elements have a predetermined length, it has hitherto only been possible to produce safety strips with a length which corresponds to a multiple of the length of a single contact element.
  • EP 1 063 380 A2 discloses a security list according to the preamble of claim 1 and is considered to be the closest prior art.
  • the present invention is therefore based on the object to provide a safety strip available, which can be assembled on site in a simple way and adapted to the individual customer needs.
  • the perspective view of FIG. 1 shows the switching device 1 a safety strip for placement on closing edges of movable devices.
  • the switching device 1 comprises a contact element chain 2, which is formed by a plurality of contact elements 2a, 2b, ising, 2x, 2y. These contact elements are lined up along the safety bar linear.
  • Each of the contact elements 2a, 2b, Vietnamese, 2x, 2y has an electrically conductive core. This electrically conductive region of each contact element is on both sides with the respective adjacent contact element 2b; 2a; ........., 2y; 2x electrically connected.
  • the contact elements are arranged coaxially with one another and provide, via the electrically conductive core regions, an electrically conductive connection to the respectively adjacent contact element and thus over the entire safety strip.
  • the contact elements of tube pieces 13a, 13b, ........., 13x, 13y are pressed against one another at their end faces.
  • the cuff-shaped tube pieces 13a, 13b,..., 13x, 13y respectively overlap the end regions of two adjacent contact elements 2a, 2b; 2x, 2x and press the contact zones on the front side of the contact elements against each other.
  • the electrical connection between adjacent contact elements is at least locally resolved.
  • the resulting interruption the electrical connection along the safety bar is then registered by an evaluation unit, not shown here, to thereby register, for example, the contact of the safety bar with an obstacle.
  • the switching device 1 is in an in FIG. 1 introduced for the sake of better illustration, not shown elastic hose.
  • the frontal openings of this elastic tube are each sealed with closure elements 3, 5 moisture-tight.
  • closure elements 3, 5 shown have a cable feedthrough for leading out a contact cable 12 from the inside of the tube.
  • the cables 12 are each electrically connected on one side to the first contact element 2a and the last contact element 2y and connected to the evaluation unit on the other side.
  • the end portion of the switching device 1 is in a sectional drawing in FIG. 2 shown in more detail.
  • the first contact element 2a is shown.
  • This has an electrically conductive metal core 16 and an insulating plastic sheath 18. That in the presentation of the FIG. 2 left end of the metal core 16 is connected to the frontal contact zone of the metal core of the adjacent contact element 2b (in FIG. 2 not shown) electrically conductively connected and to the in the representation of FIG. 2 right end of the metal core 16, the contact cable 12 is soldered.
  • the elastic tube 4 is shown, in which the contact element chain 2 is inserted. The frontal opening of the tube 4 is sealed by a sealing element 5 moisture-tight.
  • the closure element 5 comprises a pot-shaped closure plug 7, the wall 9 engages in the interior of the tube 4 and the bottom 14 of the pot closes the frontal opening of the tube 4.
  • a cable bushing 8 is provided in the pot bottom 14 of the stopper 7, to guide the contact cable 12 from the inside of the hose to the outside.
  • the closure element 5 further comprises a spacer 6, which is arranged between the closure plug 7 and the first contact element 2a.
  • the spacer 6 is formed by a first cylindrical spacer sleeve 6a and a relative thereto in the longitudinal direction of the safety strip slidably disposed second cylindrical spacer sleeve 6b.
  • the length of the spacer 6 is continuously adjustable between a minimum position and a maximum position by the two spacers 6a, 6b are moved against each other.
  • the length of the spacer 6 can thereby be adjusted during assembly of the safety bar to adjust the overall length of the safety strip to local conditions.
  • the inner spacer sleeve 6b facing the first contact element 2a is firmly connected at one end to the first contact element 2a.
  • the other spacer sleeve 6a has an inner diameter which is slightly larger than the outer diameter of the inner spacer sleeve 6b, so that this spacer sleeve 6a can be pushed as an outer spacer sleeve over the inner spacer sleeve 6b.
  • a bore 15 is provided in the outer spacer sleeve 6a, in which a grub screw can be screwed, whereby the relative position between the spacers 6a and 6b can be fixed.
  • the wall 9 of the stopper 7 has on the outside a plurality of side by side and mutually parallel grooves. These grooves on the one hand cause the plug 7 can be easily pressed into the tube opening and on the other hand they seal the tube opening to the outside against moisture in the manner of a labyrinth seal.
  • this clamping device 11 is formed by a the hose end 4a encompassing hose clamp 11. This hose clamp 11 causes the hose end 4a is pressed firmly against the wall 9 of the stopper 7.
  • a rubber end cap is additionally provided, which is placed over the stopper 7 and glued or vulcanized on the outer jacket of the tube 4.
  • the elastic tube 4 For attachment of the safety strip to the closing edge of a movable device, such as a roller shutter or an automatic vehicle door, the elastic tube 4 via a (in figure 2 not shown) elastic profile extension on a Aluminum profile 17 attached.
  • the aluminum profile 17 is in FIG. 1 also shown. This aluminum profile 17 is to be fastened to the closing edge of the movable device.
  • the spacer 6 Due to the adjustable length of the spacer 6, it is possible to produce a safety strip of any length in modular design.
  • the distance between the end of the first contact element 2a and the last contact element 2y and the end of the tube 4 can be bridged by the spacer 6, wherein the distance to be bridged is continuously adaptable by the inner spacer sleeve 6b and the outer spacer sleeve 6a against each other be moved.
  • the inner spacer sleeve 6b is provided with an external thread and the outer spacer sleeve 6a with a corresponding internal thread.
  • the mutual position of the spacers 6a, 6b can then take place by screwing or unscrewing the inner spacer sleeve 6b from the outer spacer sleeve 6a.
  • it is provided to fix the mutual position of the spacers 6a, 6b to each other by means of a lock nut.
  • the position of the inner spacer sleeve 6a is interchanged with the outer spacer sleeve 6b, i. the outer spacer sleeve 6a is connected to the first contact element 2a and the inner spacer sleeve 6b engages in the interior of the cup-shaped closure plug 7.
  • the lock nut for fixing the mutual position of the inner relative to the outer spacer sleeve may be formed by the stopper 7, which for this purpose has an internal thread, which corresponds to the external thread of the inner spacer sleeve 6b.
  • the closure element 5 is preferably fixedly connected to the first contact element 2a.
  • the closure element 5, the first contact element 2a and the contact cable 12 thus form a structural unit, which can be inserted in the assembly of the safety strip in a final step for closing the frontal opening of the tube 4 in this.
  • both front ends of the tube 4 are preferably closed by closure elements 3, 5 of identical construction.
  • the closure element 5, comprising the first or last contact element 2a, the spacer 6 and the stopper 7, can also be used in safety strips are used, in which the elastic bias of the contact elements is effected by a spring arranged in the end region of the hose 4.
  • a safety strip in which the axial bias of the contact elements is generated by a spring, for example, in the DE 196 47 720 A1 described.
  • the bias generating spring is in this case arranged between the first and last contact element 2a and the stopper 7.
  • the spacer 6 according to the present invention is preferably arranged inside the spring for bridging the distance between the end of the first and last contact element 2a and the pot bottom 14 of the stopper 7 and within the coil spring. This embodiment of the present invention has the additional effect that the magnitude of the spring tension and thus the bias between the individual contact elements can be adjusted by lengthening or shortening the length of the adjustable spacer 6.
  • FIGS. 3A to 3E different embodiments of the spacer 6 are shown according to the invention.
  • the in the FIGS. 3A to 3E shown spacers each have an outer cylindrical spacer sleeve 6a and an insertable into this inner spacer sleeve 6b.
  • the outer spacer sleeve 6a an internal thread 19 and the inner spacer sleeve 6b a corresponding thereto external thread 20.
  • the length of the spacer 6 is infinitely adjustable by screwing the inner spacer sleeve 6b in the outer spacer sleeve 6a.
  • the spacer sleeves 6a and 6b instead of a thread corresponding locking elements 21, 22.
  • the spacers 6a and 6b are in this case by engagement of these locking elements 21, 22 slidable.
  • This in FIG. 3C shown embodiment of the spacer 6 substantially corresponds to the in FIG. 2 illustrated Ausfiihrungsbeispiel, with the difference that the inner spacer sleeve 6b has a plurality of spaced apart in the longitudinal direction of the sleeve bores 23 in the cylinder jacket. In these holes a screwed through the bore 15 in the outer spacer sleeve 6 grub screw is screwed, whereby the two spacers 6a and 6b fixed together and their position are fixed to each other.
  • the fixation of the two spacers 6a and 6b can also be realized by a pin 24 which is inserted through the bore 15 in the cylinder jacket of the outer spacer sleeve and through a bore 23 of the inner spacer sleeve, as in Figure 3D shown.
  • a ball 25 may be used, which is also inserted through the bore 15 and into one of the holes 23, as in FIG. 3E shown.
  • the spacer 6 consists of a single cylindrical sleeve 6c. This has either several, in the longitudinal direction of the sleeve successively arranged predetermined breaking points 26 ( FIG. 3F ) or consists of a plurality of nested rings 6 d, as in the embodiments of the Figures 3G and 3H (especially shown in the right-hand illustration).
  • the discs 6d have for Caribbeanfiigen at their end faces each mutually corresponding plug-in elements 27.
  • FIG. 3H embodiment shown differs from that in Figure 3G illustrated embodiment in that the discs 6d are slotted on the outer circumference to reduce the length of a disc 6d as needed later or supplement.

Abstract

The security strip consists of a number of electrical contact elements [2a] that are connected together in a string within a tube [4] of flexible material. The end contact is fixed to an end cap [7] using a distance piece [6] to enclose the end of the connecting cable [12]. The end cap has a sealing plug [9] that fits in the tube.

Description

Die Erfindung betrifft eine Sicherheitsleiste nach dem Oberbegriff von Anspruch 1.The invention relates to a safety strip according to the preamble of claim 1.

Derartige Sicherheitsleisten sind aus dem Stand der Technik bekannt, beispielsweise aus der DE 196 47 720 A1 . Bei der dort beschriebenen Sicherheitsleiste wird die Kontaktkette von einer Vielzahl von Kontaktelementen gebildet, welche längs der Sicherheitsleiste mittels einer Führungsvorrichtung aneinandergereiht sind und durch eine axiale Vorspannung längs der Sicherheitsleiste zusammengedrückt werden, wobei die Vorspannung durch manschettenförmige Schlauchstücke erzeugt wird, welche in alternierender Folge jeweils zwei zueinander benachbarte Kontaktelemente übergreifen und die Kontaktzonen dieser Kontaktelemente gegeneinander drücken. Diese Sicherheitsleiste kann kundenseitig auf einfache Art zusammengesetzt und den spezifischen Kundenbedürfnissen insbesondere hinsichtlich der Länge der Sicherheitsleiste individuell angepaßt werden, indem eine geeignete Anzahl von Kontaktelementen in einer Reihe angeordnet und mittels der Schlauchstücke miteinander verbunden werden. Die so gebildete Kontaktelementekette wird dann anschließend in einen elastischen Schlauch eingeführt, dessen stirnseitige Öffnungen schließlich durch Verschlußelemente abgedichtet werden, um die Schalteinrichtung vor Umwelteinflüssen und Feuchtigkeit zu schützen. Hierzu werden die Verschlußelemente mit dem elastischen Schlauch verklebt oder vulkanisiert. Dies hat sich als nachteilig erwiesen, weil nachträgliche Änderungen, insbesondere ein Kürzen der Sicherheitsleiste, nicht mehr möglich ist. Weiterhin hat es sich als problematisch erwiesen, Maßnahmen vorzusehen, welche den an den individuellen Bedürfnissen des Kunden ausgerichteten Zusammenbau einer Sicherheitsleiste in beliebiger Länge ermöglichen. Da die einzelnen Kontaktelemente eine vorgegebene Länge haben, war es bislang nur möglich, Sicherheitsleisten mit einer Länge zu fertigen, welche ein Vielfaches der Länge eines einzelnen Kontaktelements entspricht.Such safety strips are known from the prior art, for example from the DE 196 47 720 A1 , In the safety strip described therein, the contact chain is formed by a plurality of contact elements, which are strung together along the safety strip by means of a guide device and are compressed by an axial bias along the safety strip, wherein the bias is generated by cuff-shaped pieces of hose, which in an alternating sequence two engage over each other adjacent contact elements and press the contact zones of these contact elements against each other. This safety bar can be assembled by the customer in a simple way and individually adapted to the specific customer needs, in particular with regard to the length of the safety strip by arranging a suitable number of contact elements in a row and connected to each other by means of the hose pieces. The contact element chain thus formed is then subsequently inserted into an elastic tube whose end-side openings are finally sealed by closure elements in order to protect the switching device from environmental influences and moisture. For this purpose, the closure elements are glued or vulcanized with the elastic tube. This has proved to be disadvantageous because subsequent changes, in particular a shortening of the safety strip, is no longer possible. Furthermore, it has proven to be problematic to provide measures that allow the aligned to the individual needs of the customer assembly of a safety bar in any length. Since the individual contact elements have a predetermined length, it has hitherto only been possible to produce safety strips with a length which corresponds to a multiple of the length of a single contact element.

EP 1 063 380 A2 offenbart eine Sicherheibleiste nach dem Oberbegriff von Anspruch 1 und wird als nächtsliegender Stand der Technik gesehen. EP 1 063 380 A2 discloses a security list according to the preamble of claim 1 and is considered to be the closest prior art.

Der vorliegenden Erfindung liegt daher die Aufgabe zugrunde, eine Sicherheitsleiste zur Verfügung zu stellen, welche vor Ort auf einfache Art und an den jeweiligen individuellen Kundenbedürfnissen angepaßt zusammengebaut werden kann.The present invention is therefore based on the object to provide a safety strip available, which can be assembled on site in a simple way and adapted to the individual customer needs.

Gelöst wird diese Aufgabe mit einer Sicherheitsleiste mit den Merkmalen des Anspruchs 1. Vorteilhafte Ausfiihrungsbeispiele dieser Sicherheitsleiste sind den Unteransprüchen zu entnehmen.This object is achieved with a safety strip having the features of claim 1. Advantageous exemplary embodiments of this safety strip can be found in the subclaims.

Im folgenden wird die Erfindung anhand von Ausführungsbeispielen unter Bezugnahme auf die begleitenden Zeichnungen näher erläutert. Die Zeichnungen zeigen:

Figur 1
Perspektivische Darstellung der Schalteinrichtung einer Sicherheitsleiste;
Figur 2
Querschnitt durch den Endbereich einer Sicherheitsleiste.
Figuren 3A - 3E
Verschiede Ausführungsformen von Distanzstücken gemäß der Erfindung zur Verwendung in einer Sicherheitsleiste, wie in Figur 2 dargestellt.
Figuren 3F - 3H
nicht zur Erfindung gehörende Ausführungsformen von Distanzstücken
In the following the invention will be explained in more detail by means of embodiments with reference to the accompanying drawings. The drawings show:
FIG. 1
Perspective view of the switching device of a safety strip;
FIG. 2
Cross section through the end of a safety bar.
Figures 3A - 3E
Various embodiments of spacers according to the invention for use in a safety strip, as in FIG. 2 shown.
Figures 3F - 3H
not belonging to the invention embodiments of spacers

Die perspektivische Darstellung der Figur 1 zeigt die Schalteinrichtung 1 einer Sicherheitsleiste zur Anordnung an Schließkanten bewegbarer Einrichtungen. Die Schalteinrichtung 1 umfaßt eine Kontaktelementekette 2, welche von einer Vielzahl von Kontaktelementen 2a, 2b, ......, 2x, 2y gebildet ist. Diese Kontaktelemente sind längs der Sicherheitsleiste linear aneinandergereiht. Jedes der Kontaktelemente 2a, 2b, ....., 2x, 2y weist einen elektrisch leitfähigen Kern auf. Dieser elektrisch leitfähige Bereich jedes Kontaktelements ist nach beiden Seiten mit dem jeweils benachbarten Kontaktelement 2b; 2a; ........., 2y; 2x elektrisch leitend verbunden. In einem Ruhezustand liegen die Kontaktelemente damit koaxial aneinandergereiht und stellen über die elektrisch leitfähigen Kernbereiche eine elektrisch leitfähige Verbindung zum jeweils benachbarten Kontaktelement und somit über die gesamte Sicherheitsleiste hinweg her.The perspective view of FIG. 1 shows the switching device 1 a safety strip for placement on closing edges of movable devices. The switching device 1 comprises a contact element chain 2, which is formed by a plurality of contact elements 2a, 2b, ......, 2x, 2y. These contact elements are lined up along the safety bar linear. Each of the contact elements 2a, 2b, ....., 2x, 2y has an electrically conductive core. This electrically conductive region of each contact element is on both sides with the respective adjacent contact element 2b; 2a; ........., 2y; 2x electrically connected. In an idle state, the contact elements are arranged coaxially with one another and provide, via the electrically conductive core regions, an electrically conductive connection to the respectively adjacent contact element and thus over the entire safety strip.

Zur Erzeugung einer axialen Vorspannung längs der Sicherheitsleiste werden die Kontaktelemente von Schlauchstücken 13a, 13b, ........., 13x, 13y an ihren Stirnseiten gegeneinander gedrückt. Die manschettenförmig ausgebildeten Schlauchstücke 13a, 13b, ......., 13x, 13y übergreifen jeweils die Endbereiche von zwei benachbarten Kontaktelementen 2a, 2b; 2x, 2x und drücken die Kontaktzonen an der Stirnseite der Kontaktelemente gegeneinander.To generate an axial prestress along the safety strip, the contact elements of tube pieces 13a, 13b, ........., 13x, 13y are pressed against one another at their end faces. The cuff-shaped tube pieces 13a, 13b,..., 13x, 13y respectively overlap the end regions of two adjacent contact elements 2a, 2b; 2x, 2x and press the contact zones on the front side of the contact elements against each other.

Bei äußerem Druck auf die Sicherheitsleiste wird die elektrische Verbindung zwischen benachbarten Kontaktelementen zumindest lokal gelöst. Die dadurch bedingte Unterbrechung der elektrischen Verbindung längs der Sicherheitsleiste wird dann durch eine hier nicht gezeigte Auswerteeinheit registriert, um dadurch beispielsweise den Kontakt der Sicherheitsleiste mit einem Hindernis zu registrieren.With external pressure on the safety bar, the electrical connection between adjacent contact elements is at least locally resolved. The resulting interruption the electrical connection along the safety bar is then registered by an evaluation unit, not shown here, to thereby register, for example, the contact of the safety bar with an obstacle.

Die Schalteinrichtung 1 ist in einem in Figur 1 aus Gründen der besseren Darstellung nicht gezeigten elastischen Schlauch eingeführt. Die stirnseitigen Öffnungen dieses elastischen Schlauchs sind jeweils mit Verschlußelementen 3, 5 feuchtigkeitsdicht abgeschlossen. Die in Figur 1 gezeigten Verschlußelemente 3, 5 weisen eine Kabeldurchführung zum Herausführen eines Kontaktkabels 12 aus dem Schlauchinneren auf. Die Kabel 12 sind jeweils an einer Seite mit dem ersten Kontaktelement 2a bzw. dem letzten Kontaktelement 2y elektrisch verbunden und an der anderen Seite an die Auswerteeinheit angeschlossen.The switching device 1 is in an in FIG. 1 introduced for the sake of better illustration, not shown elastic hose. The frontal openings of this elastic tube are each sealed with closure elements 3, 5 moisture-tight. In the FIG. 1 closure elements 3, 5 shown have a cable feedthrough for leading out a contact cable 12 from the inside of the tube. The cables 12 are each electrically connected on one side to the first contact element 2a and the last contact element 2y and connected to the evaluation unit on the other side.

Der Endbereich der Schalteinrichtung 1 ist in einer Schnittzeichnung in Figur 2 näher dargestellt. Dort ist das erste Kontaktelement 2a gezeigt. Dieses weist einen elektrisch leitfähigen Metallkern 16 und eine isolierende Kunststoff-Ummantelung 18 auf. Das in der Darstellung der Figur 2 linke Ende des Metallkerns 16 ist mit der stirnseitigen Kontaktzone des Metallkerns des benachbarten Kontaktelements 2b (in Figur 2 nicht mehr dargestellt) elektrisch leitend verbunden und an das in der Darstellung der Figur 2 rechte Ende des Metallkerns 16 ist das Kontaktkabel 12 angelötet. In der Figur 2 ist ferner der elastische Schlauch 4 gezeigt, in den die Kontaktelementekette 2 eingeführt ist. Die stirnseitige Öffnung des Schlauches 4 ist durch ein Verschlußelement 5 feuchtigkeitsdicht verschlossen. Das Verschlußelement 5 umfaßt einen topfförmigen Verschlußstopfen 7, dessen Wandung 9 in den Innenraum des Schlauches 4 eingreift und dessen Topfboden 14 die stirnseitige Öffnung des Schlauches 4 verschließt. In den Topfboden 14 des Verschlußstopfens 7 ist eine Kabeldurchführung 8 vorgesehen, um das Kontaktkabel 12 aus dem Schlauchinneren nach außen zu führen.The end portion of the switching device 1 is in a sectional drawing in FIG. 2 shown in more detail. There, the first contact element 2a is shown. This has an electrically conductive metal core 16 and an insulating plastic sheath 18. That in the presentation of the FIG. 2 left end of the metal core 16 is connected to the frontal contact zone of the metal core of the adjacent contact element 2b (in FIG. 2 not shown) electrically conductively connected and to the in the representation of FIG. 2 right end of the metal core 16, the contact cable 12 is soldered. In the FIG. 2 Furthermore, the elastic tube 4 is shown, in which the contact element chain 2 is inserted. The frontal opening of the tube 4 is sealed by a sealing element 5 moisture-tight. The closure element 5 comprises a pot-shaped closure plug 7, the wall 9 engages in the interior of the tube 4 and the bottom 14 of the pot closes the frontal opening of the tube 4. In the pot bottom 14 of the stopper 7, a cable bushing 8 is provided to guide the contact cable 12 from the inside of the hose to the outside.

Das Verschlußelement 5 umfaßt ferner ein Distanzstück 6, welches zwischen dem Verschlußstopfen 7 und dem ersten Kontaktelement 2a angeordnet ist. Bei dem in der Figur 2 dargestellten Ausführungsbeispiel ist das Distanzstück 6 von einer ersten zylindrischen Distanzhülse 6a und einer diesbezüglich in Längsrichtung der Sicherheitsleiste verschieblich angeordneten zweiten zylindrischen Distanzhülse 6b gebildet. Die Länge des Distanzstücks 6 ist stufenlos zwischen einer Minimalstellung und einer Maximalstellung verstellbar, indem die beiden Distanzhülsen 6a, 6b gegeneinander verschoben werden.The closure element 5 further comprises a spacer 6, which is arranged between the closure plug 7 and the first contact element 2a. In the in the FIG. 2 illustrated embodiment, the spacer 6 is formed by a first cylindrical spacer sleeve 6a and a relative thereto in the longitudinal direction of the safety strip slidably disposed second cylindrical spacer sleeve 6b. The length of the spacer 6 is continuously adjustable between a minimum position and a maximum position by the two spacers 6a, 6b are moved against each other.

Die Länge des Distanzstücks 6 kann dadurch bei der Montage der Sicherheitsleiste angepaßt werden, um die Gesamtlänge der Sicherheitsleiste den örtlichen Gegebenheiten entsprechend einzustellen.The length of the spacer 6 can thereby be adjusted during assembly of the safety bar to adjust the overall length of the safety strip to local conditions.

Die dem ersten Kontaktelement 2a zugewandte innere Distanzhülse 6b ist an ihrem einen Ende mit dem ersten Kontaktelement 2a fest verbunden. Die andere Distanzhülse 6a weist einen Innendurchmesser auf, welcher geringfügig größer ist als der Außendurchmesser der inneren Distanzhülse 6b, so daß diese Distanzhülse 6a als äußere Distanzhülse über die innere Distanzhülse 6b geschoben werden kann.The inner spacer sleeve 6b facing the first contact element 2a is firmly connected at one end to the first contact element 2a. The other spacer sleeve 6a has an inner diameter which is slightly larger than the outer diameter of the inner spacer sleeve 6b, so that this spacer sleeve 6a can be pushed as an outer spacer sleeve over the inner spacer sleeve 6b.

Zur Fixierung einer gewünschten Länge des Distanzstücks 6 ist in der äußeren Distanzhülse 6a eine Bohrung 15 vorgesehen, in welche eine Madenschraube eingedreht werden kann, wodurch die relative Lage zwischen den Distanzhülsen 6a und 6b fixierbar ist.For fixing a desired length of the spacer 6, a bore 15 is provided in the outer spacer sleeve 6a, in which a grub screw can be screwed, whereby the relative position between the spacers 6a and 6b can be fixed.

Die Wandung 9 des Verschlußstopfens 7 weist auf der Außenseite mehrere nebeneinander und parallel zueinander verlaufende Nuten auf. Diese Nuten bewirken einerseits, daß der Verschlußstopfen 7 leicht in die Schlauchöffnung eingedrückt werden kann und andererseits dichten sie die Schlauchöffnung nach außen hin gegen Feuchtigkeit nach Art einer Labyrinthdichtung ab.The wall 9 of the stopper 7 has on the outside a plurality of side by side and mutually parallel grooves. These grooves on the one hand cause the plug 7 can be easily pressed into the tube opening and on the other hand they seal the tube opening to the outside against moisture in the manner of a labyrinth seal.

Zur Befestigung des Verschlußstopfens 7 in der Schlauchöffnung ist eine Klemmeinrichtung 11 vorgesehen. In dem in Figur 2 dargestellten Ausführungsbeispiel ist diese Klemmeinrichtung 11 von einer das Schlauchende 4a umgreifende Schlauchklemme 11 gebildet. Diese Schlauchklemme 11 bewirkt, daß das Schlauchende 4a fest gegen die Wandung 9 des Verschlußstopfens 7 gedrückt wird.For fixing the sealing plug 7 in the tube opening a clamping device 11 is provided. In the in FIG. 2 illustrated embodiment, this clamping device 11 is formed by a the hose end 4a encompassing hose clamp 11. This hose clamp 11 causes the hose end 4a is pressed firmly against the wall 9 of the stopper 7.

Um die Schalteinrichtung 1 in dem elastischen Schlauch 4 möglichst gut vor Feuchtigkeit und Umwelteinflüssen zu schützen, ist zusätzlich noch eine Gummiendkappe vorgesehen, welche über den Verschlußstopfen 7 gelegt und auf dem Außenmantel des Schlauches 4 geklebt oder vulkanisiert wird.In order to protect the switching device 1 in the elastic tube 4 as well as possible against moisture and environmental influences, a rubber end cap is additionally provided, which is placed over the stopper 7 and glued or vulcanized on the outer jacket of the tube 4.

Zur Befestigung der Sicherheitsleiste an der Schließkante einer bewegbaren Einrichtung, beispielsweise einem Rolltor oder einer automatischen Fahrzeugtür, ist der elastische Schlauch 4 über einen (in figur 2 nicht dargestellten) elastischen Profilfortsatz an einem Aluminiumprofil 17 befestigt. Das Aluminiumprofil 17 ist in Figur 1 ebenfalls dargestellt. Dieses Aluminiumprofil 17 ist an der Schließkante der beweglichen Einrichtung zu befestigen.For attachment of the safety strip to the closing edge of a movable device, such as a roller shutter or an automatic vehicle door, the elastic tube 4 via a (in figure 2 not shown) elastic profile extension on a Aluminum profile 17 attached. The aluminum profile 17 is in FIG. 1 also shown. This aluminum profile 17 is to be fastened to the closing edge of the movable device.

Durch die einstellbare Länge des Distanzstücks 6 ist es möglich, in Modulbauweise eine Sicherheitsleiste beliebiger Länge zu fertigen. Die Distanz zwischen dem Ende des ersten Kontaktelements 2a bzw. des letzten Kontaktelements 2y und dem Ende des Schlauches 4 kann hierbei durch das Distanzstück 6 überbrückt werden, wobei die zu überbrückende Distanz stufenlos anpaßbar ist, indem die innere Distanzhülse 6b und die äußere Distanzhülse 6a gegeneinander verschoben werden.Due to the adjustable length of the spacer 6, it is possible to produce a safety strip of any length in modular design. The distance between the end of the first contact element 2a and the last contact element 2y and the end of the tube 4 can be bridged by the spacer 6, wherein the distance to be bridged is continuously adaptable by the inner spacer sleeve 6b and the outer spacer sleeve 6a against each other be moved.

In einem weiteren, hier nicht zeichnerisch dargestellten Ausführungsbeispiel ist die innere Distanzhülse 6b mit einem Außengewinde und die äußere Distanzhülse 6a mit einem dazu korrespondierenden Innengewinde versehen. Die gegenseitige Lage der Distanzhülsen 6a, 6b kann dann durch Eindrehen bzw. Herausdrehen der inneren Distanzhülse 6b aus der äußeren Distanzhülse 6a erfolgen. Bei diesem Ausführungsbeispiel ist vorgesehen, die gegenseitige Lage der Distanzhülsen 6a, 6b zueinander mittels einer Kontermutter zu fixieren.In another, not shown here drawing embodiment, the inner spacer sleeve 6b is provided with an external thread and the outer spacer sleeve 6a with a corresponding internal thread. The mutual position of the spacers 6a, 6b can then take place by screwing or unscrewing the inner spacer sleeve 6b from the outer spacer sleeve 6a. In this embodiment, it is provided to fix the mutual position of the spacers 6a, 6b to each other by means of a lock nut.

In einer abgewandelten Ausführungsform ist die Lage der inneren Distanzhülse 6a mit der äußeren Distanzhülse 6b vertauscht, d.h. die äußere Distanzhülse 6a ist mit dem ersten Kontaktelement 2a verbunden und die innere Distanzhülse 6b greift in den Innenraum des topfförmigen Verschlußstopfens 7 ein. Bei diesem Ausführungsbeispiel kann die Kontermutter zur Fixierung der gegenseitigen Lage der inneren bezüglich der äußeren Distanzhülse durch den Verschlußstopfen 7 gebildet sein, welcher hierfür ein Innengewinde aufweist, welches zum Außengewinde der inneren Distanzhülse 6b korrespondiert.In a modified embodiment, the position of the inner spacer sleeve 6a is interchanged with the outer spacer sleeve 6b, i. the outer spacer sleeve 6a is connected to the first contact element 2a and the inner spacer sleeve 6b engages in the interior of the cup-shaped closure plug 7. In this embodiment, the lock nut for fixing the mutual position of the inner relative to the outer spacer sleeve may be formed by the stopper 7, which for this purpose has an internal thread, which corresponds to the external thread of the inner spacer sleeve 6b.

Um eine möglichst einfache Montage der Sicherheitsleiste vor Ort zu gewährleisten, ist das Verschlußelement 5 bevorzugt fest mit dem ersten Kontaktelement 2a verbunden. Das Verschlußelement 5, das erste Kontaktelement 2a und das Kontaktkabel 12 bilden somit eine Baueinheit, welche beim Zusammenbau der Sicherheitsleiste in einem abschließenden Schritt zum Verschließen der stirnseitigen Öffnung des Schlauches 4 in diesen eingefügt werden kann. Bevorzugt werden hierbei beide stirnseitigen Enden des Schlauches 4 durch baugleiche Verschlußelemente 3, 5 abgeschlossen.In order to ensure the simplest possible installation of the safety strip on site, the closure element 5 is preferably fixedly connected to the first contact element 2a. The closure element 5, the first contact element 2a and the contact cable 12 thus form a structural unit, which can be inserted in the assembly of the safety strip in a final step for closing the frontal opening of the tube 4 in this. In this case, both front ends of the tube 4 are preferably closed by closure elements 3, 5 of identical construction.

Das Verschlußelement 5, umfassend das erste bzw. letzte Kontaktelement 2a, das Distanzstück 6 und den Verschlußstopfen 7, kann auch bei Sicherheitsleisten zum Einsatz kommen, bei denen die elastische Vorspannung der Kontaktelemente durch eine im Endbereich des Schlauches 4 angeordnete Feder bewirkt wird. Eine Sicherheitsleiste, bei der die axiale Vorspannung der Kontaktelemente durch eine Feder erzeugt wird, ist beispielsweise in der DE 196 47 720 A1 beschrieben. Die die Vorspannung erzeugende Feder ist hierbei zwischen dem ersten bzw. letzten Kontaktelement 2a und dem Verschlußstopfen 7 angeordnet. Das Distanzstück 6 gemäß der vorliegenden Erfindung ist hierbei bevorzugt innerhalb der Feder zur Überbrückung der Distanz zwischen dem Ende des ersten bzw. letzten Kontaktelements 2a und dem Topfboden 14 des Verschlußstopfens 7 und innerhalb der Schraubenfeder angeordnet. Diese Ausführungsform der vorliegenden Erfindung hat den zusätzlichen Effekt, daß die Stärke der Federspannung und damit die Vorspannung zwischen den einzelnen Kontaktelementen über eine Verlängerung bzw. Verkürzung der Länge des anpaßbaren Distanzstücks 6 eingestellt werden kann.The closure element 5, comprising the first or last contact element 2a, the spacer 6 and the stopper 7, can also be used in safety strips are used, in which the elastic bias of the contact elements is effected by a spring arranged in the end region of the hose 4. A safety strip in which the axial bias of the contact elements is generated by a spring, for example, in the DE 196 47 720 A1 described. The bias generating spring is in this case arranged between the first and last contact element 2a and the stopper 7. The spacer 6 according to the present invention is preferably arranged inside the spring for bridging the distance between the end of the first and last contact element 2a and the pot bottom 14 of the stopper 7 and within the coil spring. This embodiment of the present invention has the additional effect that the magnitude of the spring tension and thus the bias between the individual contact elements can be adjusted by lengthening or shortening the length of the adjustable spacer 6.

In den Figuren 3A - 3E sind verschiedene Ausführungsformen des Distanzstücks 6 gemäß der Erfindung dargestellt. Die in den Figuren 3A bis 3E gezeigten Distanzstücke weisen jeweils eine äußere zylindrische Distanzhülse 6a und eine in diese einschiebbare innere Distanzhülse 6b auf. In den in Figur 3A dargestellten Ausführungsbeispiel weist die äußere Distanzhülle 6a ein Innengewinde 19 und die innere Distanzhülse 6b ein hierzu korrespondierendes Außengewinde 20 auf. Die Länge des Distanzstücks 6 ist durch Einschrauben der inneren Distanzhülse 6b in die äußere Distanzhülle 6a stufenlos einstellbar. In dem in Figur 3B dargestellten Ausführungsbeispiel weisen die Distanzhülsen 6a und 6b statt einem Gewinde korrespondierende Rastelemente 21, 22 auf. Die Distanzhülsen 6a und 6b sind hierbei durch Eingreifen dieser Rastelemente 21, 22 ineinander verschiebbar. Das in Figur 3C gezeigte Ausfiihrungsbeispiel des Distanzstücks 6 entspricht im Wesentlichen dem in Figur 2 dargestellten Ausfiihrungsbeispiel, mit dem Unterschied, dass auch die innere Distanzhülse 6b mehrere in Längsrichtung der Hülse voneinander beabstandete Bohrungen 23 im Zylindermantel aufweist. In diese Bohrungen wird eine durch die Bohrung 15 in der äußeren Distanzhülse 6 greifende Madenschraube eingedreht, wodurch die beiden Distanzhülsen 6a und 6b miteinander befestigt und ihrer Lage zueinander fixiert werden. Alternativ zu einer Madenschraube kann die Fixierung der beiden Distanzhülsen 6a und 6b auch durch einen Stift 24 realisiert werden, der durch die Bohrung 15 im Zylindermantel der äußeren Distanzhülse und durch eine Bohrung 23 der inneren Distanzhülse gesteckt wird, wie in Figur 3D gezeigt.In the Figures 3A - 3E different embodiments of the spacer 6 are shown according to the invention. The in the FIGS. 3A to 3E shown spacers each have an outer cylindrical spacer sleeve 6a and an insertable into this inner spacer sleeve 6b. In the in FIG. 3A illustrated embodiment, the outer spacer sleeve 6a an internal thread 19 and the inner spacer sleeve 6b a corresponding thereto external thread 20. The length of the spacer 6 is infinitely adjustable by screwing the inner spacer sleeve 6b in the outer spacer sleeve 6a. In the in FIG. 3B illustrated embodiment, the spacer sleeves 6a and 6b instead of a thread corresponding locking elements 21, 22. The spacers 6a and 6b are in this case by engagement of these locking elements 21, 22 slidable. This in FIG. 3C shown embodiment of the spacer 6 substantially corresponds to the in FIG. 2 illustrated Ausfiihrungsbeispiel, with the difference that the inner spacer sleeve 6b has a plurality of spaced apart in the longitudinal direction of the sleeve bores 23 in the cylinder jacket. In these holes a screwed through the bore 15 in the outer spacer sleeve 6 grub screw is screwed, whereby the two spacers 6a and 6b fixed together and their position are fixed to each other. Alternatively to a grub screw, the fixation of the two spacers 6a and 6b can also be realized by a pin 24 which is inserted through the bore 15 in the cylinder jacket of the outer spacer sleeve and through a bore 23 of the inner spacer sleeve, as in Figure 3D shown.

Als weitere Alternative zur Fixierung der beiden Distanzhülsen 6a und 6b kann eine Kugel 25 verwendet werden, welche ebenfalls durch die Bohrung 15 und in eine der Bohrungen 23 eingeführt wird, wie in Figur 3E gezeigt.As a further alternative to fixing the two spacers 6a and 6b, a ball 25 may be used, which is also inserted through the bore 15 and into one of the holes 23, as in FIG. 3E shown.

In den in den Figuren 3F bis 3H dargestellten Beispiele sind keine Ausführungsformen der Erfindung, sondern dienen dem weiteren Verständnis der Erfindung. Darin besteht das Distanzstück 6 aus einer einzigen zylindrischen Hülse 6c. Diese weist entweder mehrere, in Längsrichtung der Hülse hintereinander angeordnete Sollbruchstellen 26 auf (Figur 3F) oder sie besteht aus einer Mehrzahl von ineinander gesteckten Ringen 6d, wie in den Ausführungsbeispielen der Figuren 3G und 3H (insbesondere in der rechten Darstellung hierzu) gezeigt. Die Scheiben 6d weisen zum Zusammenfiigen an ihren Stirnseiten jeweils zueinander korrespondierende Steckelemente 27 auf. Das in Figur 3H gezeigte Ausführungsbeispiel unterscheidet sich von dem in Figur 3G dargestellten Ausführungsbeispiel dadurch, dass die Scheiben 6d am Außenumfang geschlitzt sind, um die Länge einer Scheibe 6d bei Bedarf nachträglich reduzieren oder ergänzen zu können.In the in the FIGS. 3F to 3H Examples shown are not embodiments of the invention, but serve to further understand the invention. Therein, the spacer 6 consists of a single cylindrical sleeve 6c. This has either several, in the longitudinal direction of the sleeve successively arranged predetermined breaking points 26 ( FIG. 3F ) or consists of a plurality of nested rings 6 d, as in the embodiments of the Figures 3G and 3H (especially shown in the right-hand illustration). The discs 6d have for Zusammenfiigen at their end faces each mutually corresponding plug-in elements 27. This in FIG. 3H embodiment shown differs from that in Figure 3G illustrated embodiment in that the discs 6d are slotted on the outer circumference to reduce the length of a disc 6d as needed later or supplement.

Claims (16)

  1. Safety strip for location on closing edges of moving devices,
    with a switching device (1) which exhibits a contact element chain (2) which is formed by a plurality of contact elements (2a, 2b, ..., 2x, 2y) which are arranged in a row along the safety strip so that in a resting state each contact element (2a; 2b; 2x; 2y) is connected in electrically conducting fashion on both sides with the neighbouring contact element (2b; 2a; 2y; 2x) and the electrical connection between neighbouring contact elements is broken at least locally when the switching device (1) is bent out of shape by external pressure on the safety strip,
    with an elastic tube (4) in which the contact element chain (2) is arranged, and
    with closing elements (3, 5) for closing the ends of the tube (4), at least one of the closing elements (5) exhibiting a device for carrying through the electrical contact of the first or last contact element of the contact element chain (2), at least one closing element (5) comprising a spacer (6) which is adaptable in its length,
    characterised in that the spacer (6) is formed by a first spacer sleeve (6a) and a second spacer sleeve (6b) which is arranged so as to be displaceable in relation to the latter in the longitudinal direction of the safety strip, so that the length of the spacer (6) can be adjusted continuously between a minimum setting and a maximum setting.
  2. Safety strip according to claim 1, characterised in that the closing element (5) exhibits a closing plug (7) which is provided with a cable lead-through sleeve (8) and engages in the interior of the tube (4) and closes the end of the tube.
  3. Safety strip according to claim 2, characterised in that the spacer (6) is arranged between the closing plug (7) and the first or last contact element (2a).
  4. Safety strip according to one of claims 1 to 3, characterised in that the spacer is formed by a first spacer sleeve (6a) with an internal thread and a second spacer sleeve (6b) with an external thread corresponding thereto.
  5. Safety strip according to claim 4, characterised in that the position of the first spacer sleeve (6a) relative to the second spacer sleeve (6b) can be fixed by means of a locknut.
  6. Safety strip according to claim 5, characterised in that the locknut is formed by the closing plug (7) provided with an internal thread.
  7. Safety strip according to claim 4, characterised in that the position of the first spacer sleeve (6a) relative to the second spacer sleeve (6b) can be fixed by means of a grub screw.
  8. Safety strip according to one of claims 2 to 7, characterised in that the closing plug (7) is pot-shaped and with its wall (9) projects into the end opening of the tube.
  9. Safety strip according to claim 8, characterised in that the end of the spacer (6) remote from the contact element chain (2) projects into the interior (10) of the pot-shaped closing plug (7).
  10. Safety strip according to one of claims 1 to 9, characterised in that the closing element (5) is fixed in the tube opening by means of a clamping device (11).
  11. Safety strip according to claim 10, characterised in that the clamping device is formed by a tube clip (11) gripping around the end (4a) of the tube.
  12. Safety strip according to one of claims 2 to 11, characterised in that attached to the first or last contact element (2a) there is a cable (12) which runs through the spacer (6) and is passed from the interior of the tube (4) to the exterior through the cable lead-through sleeve (8).
  13. Safety strip according to one of the preceding claims, characterised in that the end of the spacer (6) facing the contact element chain (2) is connected securely to the first or last contact element (2a).
  14. Safety strip according to one of the preceding claims, characterised in that the closing element (5) and the first or last contact element (2a) are connected securely to one another and so form a unit which when the safety strip is assembled can be inserted into the end opening of the tube (4) in a step completing assembly.
  15. Safety strip according to one of the preceding claims, characterised in that an identical closing element (3, 5) is provided at both ends of the tube.
  16. Safety strip according to one of the preceding claims, characterised in that the spacer (6) is composed of a plurality of spacer sleeves (6a, 6b) which can be slid into one another.
EP04001793A 2003-02-17 2004-01-28 Safety edge Expired - Lifetime EP1447511B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE20302605U DE20302605U1 (en) 2003-02-17 2003-02-17 safety edge
DE20302605U 2003-02-17

Publications (3)

Publication Number Publication Date
EP1447511A2 EP1447511A2 (en) 2004-08-18
EP1447511A3 EP1447511A3 (en) 2008-12-10
EP1447511B1 true EP1447511B1 (en) 2010-07-07

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ID=32668180

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Application Number Title Priority Date Filing Date
EP04001793A Expired - Lifetime EP1447511B1 (en) 2003-02-17 2004-01-28 Safety edge

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EP (1) EP1447511B1 (en)
AT (1) ATE473342T1 (en)
DE (2) DE20302605U1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102005040947B4 (en) * 2005-08-30 2007-07-26 Iht-Innovative Hebe Technik Gmbh Signaling safety edge for safety devices
US8493081B2 (en) 2009-12-08 2013-07-23 Magna Closures Inc. Wide activation angle pinch sensor section and sensor hook-on attachment principle
US9234979B2 (en) 2009-12-08 2016-01-12 Magna Closures Inc. Wide activation angle pinch sensor section

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19647720B4 (en) * 1996-11-19 2004-05-13 Wampfler Aktiengesellschaft Closing edge safety edge
DE19647721A1 (en) * 1996-11-19 1998-05-20 Wampfler Ag Closure edge safety rail for automobile automatic door
EP1063380B1 (en) * 1999-06-24 2008-07-09 André Haake Safety door-edge construction
DE19937731C1 (en) * 1999-06-24 2000-11-02 Andre Haake Closure edge safety device uses elastic hose containing series of contact elements receiving end stop with incorporated contact bridge enclosed by cover cap

Also Published As

Publication number Publication date
EP1447511A2 (en) 2004-08-18
ATE473342T1 (en) 2010-07-15
DE502004011350D1 (en) 2010-08-19
EP1447511A3 (en) 2008-12-10
DE20302605U1 (en) 2004-07-08

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