EP0038253B1 - Alarm box - Google Patents

Alarm box Download PDF

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Publication number
EP0038253B1
EP0038253B1 EP81400560A EP81400560A EP0038253B1 EP 0038253 B1 EP0038253 B1 EP 0038253B1 EP 81400560 A EP81400560 A EP 81400560A EP 81400560 A EP81400560 A EP 81400560A EP 0038253 B1 EP0038253 B1 EP 0038253B1
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EP
European Patent Office
Prior art keywords
cover
support
pins
support plate
box according
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
Application number
EP81400560A
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German (de)
French (fr)
Other versions
EP0038253A1 (en
Inventor
Philippe Gautier
Gérard Grunhertz
Jean-Marc Thiebault
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.)
Piole Sa Dite Ets Ste
Original Assignee
Piole Sa Dite Ets Ste
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.)
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Publication date
Application filed by Piole Sa Dite Ets Ste filed Critical Piole Sa Dite Ets Ste
Priority to AT81400560T priority Critical patent/ATE12555T1/en
Publication of EP0038253A1 publication Critical patent/EP0038253A1/en
Application granted granted Critical
Publication of EP0038253B1 publication Critical patent/EP0038253B1/en
Expired legal-status Critical Current

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    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B25/00—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems
    • G08B25/12—Manually actuated calamity alarm transmitting arrangements emergency non-personal manually actuated alarm, activators, e.g. details of alarm push buttons mounted on an infrastructure

Definitions

  • the present invention relates to alarm boxes which are found in particular in public places and which are intended to protect warning devices such as rings, emergency telephones, and the like.
  • Patent US-A-2 698 354 describes an alarm device comprising a support for the alarm device, formed of a rectangular plate arranged vertically and a protective cover articulated on the support, which is normally retained, relative to the latter, in the closed position by means of a shear pin but can be opened by breaking, by manual action, of this pin by pivoting about a hinge pin provided at the lower end of the cover.
  • the invention aims to create an alarm box of the aforementioned type which, while being simple in construction and therefore of moderate cost, is produced so that it can be used several times and requires for this purpose replacing a number of parts reduced to a minimum.
  • the invention relates to a box intended to protect an alarm or security device, comprising a support for the alarm device in the form of a rectangular plate arranged vertically and, for the protection of this device, a cover articulated on the support, which is normally retained, relative to the latter, in the closed position by means of a shear pin, but can be opened after rupture, by manual action, of this pin in pivoting about an articulation axis which is constituted by two lugs provided at the lower end of the cover, characterized in that the cover, the lugs of which are engaged in corresponding slides formed on the respective vertical edges of the support, is retained in the closed position, upwards by inserting its upper end edge into a folded edge of the support, and downwards by the shear pin, secured to the support, the breakage of which is us the effect of a shock exerted downwards on the cover causes the two pins to slide down and correspondingly the clearance outside the edge of the upper end edge of the cover, so that the cover can then be opened by pivoting around the two pin
  • the alarm box shown in the drawings mainly comprises a support plate 1 in which are formed by stamping protrusions 2 constituting fastening elements of the support on a wall P by means of screws 3 engaged in holes made in the projections 2.
  • the support plate 1 is rectangular in shape and its two long sides are arranged vertically and have folded edges 4 and 5. Similarly, the short upper side has a folded edge 6 while the short bottom side has an edge in the extension of the surface of the plate.
  • an alarm device which in the present example consists of a push button switch 7 fixed on a sheet metal support 8 and the contacts 9 of which are connected to a conductor 10 connecting the switch to an installation not shown.
  • the support 8 carries a hook 11 intended to receive a key 12.
  • the assembly thus formed is closed by a cover 13 made of unbreakable transparent plastic.
  • the cover 13 has a rectangular base of width slightly less than the distance which separates the folded edges 4 and 5 of the support plate 1. It further comprises in the extension of its small lower side two lugs 14 intended to be engaged in the slides constituted by the folded edges 4 and 5. The small upper side of the cover 13 is intended to be engaged by sliding in the housing defined by the folded edge 6.
  • a projecting housing 15 in which is engaged a shear pin 16 intended to immobilize the cover 13 when its small upper side is engaged under the folded rim 6 of the support plate 1.
  • Plate 1 also carries a reserve 17 of spare pins.
  • the cover 13 is connected to the support plate 1 by a flexible connecting element 19 whose length and point of connection with the support plate are such that the cover, when it is released from the folded rim 6 of the plate support, can rotate around its lugs 14 which are held in the slides formed by the folded edges 4 and 5 of the vertical sides of the support plate 1.
  • the establishment of the cover 13 on the support plate 1 is ensured by sliding the lugs 14 of the cover into the lower part of the slides defined by the folded edges 4 and 5. Then, the base of the cover 13 is applied against the plate and, by an upward sliding movement, the short side of the cover 13 opposite the lugs 14 is engaged under the folded edge 6 of the support plate 1. In this position, the housing for the shear pin is released and a pin 16 is introduced therein which immobilizes the cover 13 in translation relative to the support plate 1. The cover 13 is thus immobilized on the one hand by the folded rim 6 of the support plate; and on the other hand by the shear pin 16.
  • the box shown in FIG. 4 is similar to that which has just been described except that it includes a shear pin 20 which, instead of being placed in a housing formed by stamping in the support plate, is carried by a plate locking 21 covering an orifice 22 formed in a reinforcement of the transparent cover 23.
  • the pin 20 is supported on a tab 24 secured to the support plate.
  • the plate 21 has on one of its sides, a groove 25 in which is engaged an edge 26 of the orifice 22 of the cover and it is applied against the opposite edge 27 of the orifice by means of a lock 28 with rotary bolt 29 which cooperates with the edge 27 of the orifice 22.
  • the plate 21 and the orifice 22 advantageously have a square shape and the plate carries spare pins 20 arranged at equal distance from the middle of a corresponding edge of the plate.
  • the plate 21 carrying the pins 20 has a square shape, it can have the shape of a regular polygon having more than four sides, in which case, the orifice 22 must have a complementary shape.
  • the arrangement which has just been described makes it possible to avoid the use of a particular tool to allow access to the alarm device which it protects; the protective cover does not suffer any deterioration during the use of the alarm box, which avoids replacing it.
  • the only part that needs to be renewed after each use of the device is the shear pin which is a particularly inexpensive part and which is moreover available to the user in a reserve of pins provided on the support.
  • the alarm box according to the invention has the advantage over conventional alarm boxes of being of a more moderate cost price and of being moreover very easy to use. , practically without any deterioration of its constituents.

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  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Burglar Alarm Systems (AREA)
  • Oscillators With Electromechanical Resonators (AREA)
  • Control And Other Processes For Unpacking Of Materials (AREA)
  • Closures For Containers (AREA)

Abstract

1. A box for protecting an alarm or security device, comprising a support (1) for the alarm device (7) in the form of a rectangular plate (1) disposed vertically and, for the protection of this device, a cover (13, 23) which is pivotally mounted on the support and is normally retained, relative to the latter, in a closed position by means of a shear pin (16, 20) but which may be opened after the breakage, by a manual action, of said pin, by pivoting about a pivot axis which is constituted by two pins (14) provided at the lower end of the cover, characterised in that the cover (13, 23) whose pins (14) are engaged in corresponding slideways (4, 5) formed on the respective vertical edges of the support (1), is retained in the closed position adjacent the upper end by insertion of its upper end edge in a formed-over ledge (6) of the support, and, adjacent the lower end, by the shear pin (16, 20) which is connected to the support and whose breakage under the effect of an impact in the downward direction on the cover causes the downward sliding of the two pins (14) and a corresponding disengagement of the upper edge of the cover out of the ledge (6), so that the cover can then be opened by pivoting it about the two pins.

Description

La présente invention se rapporte aux boîtes d'alarme que l'on trouve notamment sur des lieux publics et qui sont destinés à protéger des dispositifs avertisseurs tels que des sonneries, des téléphones de secours, et analogues.The present invention relates to alarm boxes which are found in particular in public places and which are intended to protect warning devices such as rings, emergency telephones, and the like.

On a décrit au brevet US-A-2 698 354 un dispositif d'alarme comprenant un support pour le dispositif d'alarme, formé d'une plaque rectangulaire disposée verticalement et un capot de protection articulé sur le support, qui est normalement retenu, par rapport à ce dernier, en position fermée au moyen d'une goupille de cisaillement mais peut être ouvert par rupture, par action manuelle, de cette goupille en pivotant autour d'un axe d'articulation prévu à l'extrémité inférieure du capot.Patent US-A-2 698 354 describes an alarm device comprising a support for the alarm device, formed of a rectangular plate arranged vertically and a protective cover articulated on the support, which is normally retained, relative to the latter, in the closed position by means of a shear pin but can be opened by breaking, by manual action, of this pin by pivoting about a hinge pin provided at the lower end of the cover.

L'invention vise à créer une boîte d'alarme du type précité qui tout en étant d'une construction simple et de ce fait d'un prix de revient modéré, soit réalisée de manière à pouvoir être utilisée plusieurs fois et nécessite à cet effet le remplacement d'un nombre de pièces réduit au minimum.The invention aims to create an alarm box of the aforementioned type which, while being simple in construction and therefore of moderate cost, is produced so that it can be used several times and requires for this purpose replacing a number of parts reduced to a minimum.

De façon plus précise, l'invention a pour objet une boîte destinée à protéger un dispositif d'alarme ou de sécurité, comprenant un support pour le dispositif d'alarme se présentant sous la forme d'une plaque rectangulaire disposée verticalement et, pour la protection de ce dispositif, un capot articulé sur le support, qui est normalement retenu, par rapport à ce dernier, en position fermée au moyen d'une goupille de cisaillement, mais peut être ouvert après rupture, par action manuelle, de cette goupille en pivotant autour d'un axe d'articulation qui est constitué par deux ergots prévus à l'extrémité inférieure du capot, caractérisée en ce que le capot dont les ergots sont engagés dans des glissières correspondantes formées sur les bords verticaux respectifs du support, est retenu en position fermée, vers le haut par insertion de son bord terminal supérieur dans un rebord rabattu du support, et vers le bas par la goupille de cisaillement, solidarisée avec le support, dont la rupture sous l'effet d'un choc exercé vers le bas sur le capot provoque le glissement vers le bas des deux ergots et corrélativement le dégagement hors du rebord du bord terminal supérieur du capot, de sorte que le capot peut alors s'ouvrir en pivotant autour des deux ergots.More specifically, the invention relates to a box intended to protect an alarm or security device, comprising a support for the alarm device in the form of a rectangular plate arranged vertically and, for the protection of this device, a cover articulated on the support, which is normally retained, relative to the latter, in the closed position by means of a shear pin, but can be opened after rupture, by manual action, of this pin in pivoting about an articulation axis which is constituted by two lugs provided at the lower end of the cover, characterized in that the cover, the lugs of which are engaged in corresponding slides formed on the respective vertical edges of the support, is retained in the closed position, upwards by inserting its upper end edge into a folded edge of the support, and downwards by the shear pin, secured to the support, the breakage of which is us the effect of a shock exerted downwards on the cover causes the two pins to slide down and correspondingly the clearance outside the edge of the upper end edge of the cover, so that the cover can then be opened by pivoting around the two pins.

D'autres caractéristiques de l'invention ressortent des revendications dépendantes et apparaîtront au cours de la description qui va suivre, faite en référence aux dessins annexés, donnés uniquement à titre d'exemple et sur lesquels :

  • la Figure 1 est une vue de face d'une boîte d'alarme suivant l'invention ;
  • la Figure 2 est une vue en élévation latérale, avec arrachement partiel de la boîte d'alarme de la Fig. 1 ; et
  • la Figure est une vue en coupe, à plus grande échelle d'un détail de la Fig. 2.
  • la Figure 4 est une vue analogue à celle de la Fig. 2 d'une variante de la boîte d'alarme suivant l'invention,
  • les Figures 5, 6 et 7 montrent dans différentes positions, le dispositif de support de goupille de cisaillement de la boîte d'alarme de la Fig. 4.
Other characteristics of the invention appear from the dependent claims and will appear during the description which follows, given with reference to the appended drawings, given solely by way of example and in which:
  • Figure 1 is a front view of an alarm box according to the invention;
  • Figure 2 is a side elevational view, partially broken away of the alarm box of FIG. 1; and
  • the Figure is a sectional view, on a larger scale of a detail of FIG. 2.
  • FIG. 4 is a view similar to that of FIG. 2 of a variant of the alarm box according to the invention,
  • Figures 5, 6 and 7 show in different positions, the shear pin support device of the alarm box of FIG. 4.

La boîte d'alarme représentée aux dessins comporte principalement une plaque support 1 dans laquelle sont formées par emboutissage des saillies 2 constituant des éléments de fixation du support sur une paroi P au moyen de vis 3 engagées dans des trous ménagés dans les saillies 2. La plaque support 1 est de forme rectangulaire et ses deux grands côtés sont disposés verticalement et présentent des rebords rabattus 4 et 5. De façon analogue, le petit côté supérieur présente un rebord rabattu 6 tandis que le petit côté inférieur présente un bord dans le prolongement de la surface de la plaque. Sur la plaque support 1 est monté un dispositif d'alarme qui dans le présent exemple est constitué par un interrupteur à bouton poussoir 7 fixé sur un support en tôle 8 et dont les contacts 9 sont connectés à un conducteur 10 de liaison de l'interrupteur à une installation non représentée. Le support 8 porte un crochet 11 destiné à recevoir une clef 12.The alarm box shown in the drawings mainly comprises a support plate 1 in which are formed by stamping protrusions 2 constituting fastening elements of the support on a wall P by means of screws 3 engaged in holes made in the projections 2. The support plate 1 is rectangular in shape and its two long sides are arranged vertically and have folded edges 4 and 5. Similarly, the short upper side has a folded edge 6 while the short bottom side has an edge in the extension of the surface of the plate. On the support plate 1 is mounted an alarm device which in the present example consists of a push button switch 7 fixed on a sheet metal support 8 and the contacts 9 of which are connected to a conductor 10 connecting the switch to an installation not shown. The support 8 carries a hook 11 intended to receive a key 12.

L'ensemble ainsi constitué est fermé par un capot 13 en matière plastique transparente incassable. Le capot 13 présente une base rectangulaire de largeur légèrement inférieure à la distance qui sépare les rebords rabattus 4 et 5 de la plaque support 1. Il comporte en outre dans le prolongement de son petit côté inférieur deux ergots 14 destinés à être engagés dans les glissières constituées par les rebords rabattus 4 et 5. Le petit côté supérieur du capot 13 est destiné à être engagé par coulissement dans le logement défini par le rebord rabattu 6.The assembly thus formed is closed by a cover 13 made of unbreakable transparent plastic. The cover 13 has a rectangular base of width slightly less than the distance which separates the folded edges 4 and 5 of the support plate 1. It further comprises in the extension of its small lower side two lugs 14 intended to be engaged in the slides constituted by the folded edges 4 and 5. The small upper side of the cover 13 is intended to be engaged by sliding in the housing defined by the folded edge 6.

Dans la partie inférieure de la plaque support 1 est ménagé par emboutissage un logement en saillie 15 dans lequel est engagée une goupille de cisaillement 16 destinée à assurer l'immobilisation du capot 13 lorsque son petit côté supérieur est engagé sous le rebord rabattu 6 de la plaque support 1. La plaque 1 porte en outre une réserve 17 de goupilles de rechange.In the lower part of the support plate 1 is formed by stamping a projecting housing 15 in which is engaged a shear pin 16 intended to immobilize the cover 13 when its small upper side is engaged under the folded rim 6 of the support plate 1. Plate 1 also carries a reserve 17 of spare pins.

Enfin, le capot 13 est relié à la plaque de support 1 par un élément de liaison souple 19 dont la longueur et le point de liaison avec la plaque support sont tels que le capot, lorsqu'il est libéré du rebord rabattu 6 de la plaque support, puisse tourner autour de ses ergots 14 qui sont maintenus dans les glissières formées par les rebords rabattus 4 et 5 des côtés verticaux de la plaque support 1.Finally, the cover 13 is connected to the support plate 1 by a flexible connecting element 19 whose length and point of connection with the support plate are such that the cover, when it is released from the folded rim 6 of the plate support, can rotate around its lugs 14 which are held in the slides formed by the folded edges 4 and 5 of the vertical sides of the support plate 1.

Le fonctionnement de la boîte d'alarme qui vient d'être décrite est le suivant.The operation of the alarm box which has just been described is as follows.

La mise en place du capot 13 sur la plaque support 1 est assurée en introduisant par coulissement les ergots 14 du capot à la partie inférieure des glissières définies par les rebords rabattus 4 et 5. Ensuite, la base du capot 13 est appliquée contre la plaque et, par un mouvement de coulissement vers le haut, le petit côté du capot 13 opposé aux ergots 14 est engagé sous le rebord rabattu 6 de la plaque support 1. Dans cette position, le logement pour la goupille de cisaillement est dégagé et on introduit dans celui- ci une goupille 16 qui immobilise le capot 13 en translation par rapport à la plaque support 1. Le capot 13 se trouve ainsi immobilisé d'une part par le rebord rabattu 6 de la plaque support ; et d'autre part par la goupille de cisaillement 16.The establishment of the cover 13 on the support plate 1 is ensured by sliding the lugs 14 of the cover into the lower part of the slides defined by the folded edges 4 and 5. Then, the base of the cover 13 is applied against the plate and, by an upward sliding movement, the short side of the cover 13 opposite the lugs 14 is engaged under the folded edge 6 of the support plate 1. In this position, the housing for the shear pin is released and a pin 16 is introduced therein which immobilizes the cover 13 in translation relative to the support plate 1. The cover 13 is thus immobilized on the one hand by the folded rim 6 of the support plate; and on the other hand by the shear pin 16.

Lorsqu'on désire utiliser le dispositif d'alarme enfermé dans la boîte, il suffit de frapper avec le poing la partie supérieure inclinée 17 du capot 13, ce qui provoque le cisaillement de la goupille 16. Le capot 13 qui ne se trouve plus retenu en translation glisse en commençant à s'écarter de la plaque 1 par rotation autour des ergots 14, qui assurent donc la fonction d'axe de rotation pour le capot. Lorsque l'élément de liaison 19 se tend, le capot occupe la position représentée en traits mixtes à la Fig. 2. Il est maintenu dans cette position par l'élément 19.When it is desired to use the alarm device enclosed in the box, it suffices to strike with the fist the inclined upper part 17 of the cover 13, which causes the pin 16 to shear. The cover 13 which is no longer retained in translation slides starting to move away from the plate 1 by rotation around the lugs 14, which therefore provide the function of axis of rotation for the cover. When the connecting element 19 tightens, the cover occupies the position shown in phantom in FIG. 2. It is held in this position by element 19.

Pour remettre en place le capot 13, il suffit de prendre dans la réserve 17 une nouvelle goupille de cisaillement, de ramener le capot 13 dans sa position représentée à la Fig. 1 de la manière déjà indiquée plus haut et de remettre en place la nouvelle goupille.To replace the cover 13, it suffices to take a new shear pin from the reserve 17, to bring the cover 13 back to its position shown in FIG. 1 in the manner already indicated above and replace the new pin.

La boîte représentée à la Fig. 4 est semblable à celle qui vient d'être décrite à l'exception du fait qu'elle comporte une goupille de cisaillement 20 qui, au lieu d'être placée dans un logement formé par emboutissage dans la plaque support, est portée par une plaquette de condamnation 21 recouvrant un orifice 22 ménagé dans un renforcement du capot transparent 23.The box shown in FIG. 4 is similar to that which has just been described except that it includes a shear pin 20 which, instead of being placed in a housing formed by stamping in the support plate, is carried by a plate locking 21 covering an orifice 22 formed in a reinforcement of the transparent cover 23.

La goupille 20 prend appui sur une patte 24 solidaire de la plaque support.The pin 20 is supported on a tab 24 secured to the support plate.

La plaquette 21 comporte sur un de ses côtés, une rainure 25 dans laquelle est engagé un bord 26 de l'orifice 22 du capot et elle est appliquée contre le bord opposé 27 de l'orifice au moyen d'une serrure 28 à pène tournant 29 qui coopère avec le bord 27 de l'orifice 22.The plate 21 has on one of its sides, a groove 25 in which is engaged an edge 26 of the orifice 22 of the cover and it is applied against the opposite edge 27 of the orifice by means of a lock 28 with rotary bolt 29 which cooperates with the edge 27 of the orifice 22.

La plaquette 21 et l'orifice 22 présentent avantageusement une forme carrée et la plaquette porte des goupilles 20 de rechange disposées à égale distance du milieu d'un bord correspondant de la plaquette.The plate 21 and the orifice 22 advantageously have a square shape and the plate carries spare pins 20 arranged at equal distance from the middle of a corresponding edge of the plate.

On voit par conséquent, en se référant aux Fig. 5 à 7 que pour mettre successivement les goupilles 20 en contact avec la patte 24, il suffit de dégager la plaquette en ouvrant la serrure 28, de déplacer la plaquette 21 de 90° et d'immobiliser la plaquette dans sa nouvelle position en fermant la serrure 28.It can therefore be seen, with reference to FIGS. 5 to 7 that to successively bring the pins 20 into contact with the tab 24, it suffices to release the plate by opening the lock 28, to move the plate 21 by 90 ° and to immobilize the plate in its new position by closing the lock 28.

Grâce à un tel agencement, seule une personne possédant la clef de la serrure 28 peut remettre en place et en service le dispositif d'alarme protégé par la boîte suivant l'invention.With such an arrangement, only a person having the key to the lock 28 can replace and operate the alarm device protected by the box according to the invention.

Bien que dans le présent exemple, la plaquette 21 portant les goupilles 20 ait une forme carrée, elle peut présenter la forme d'un polygone régulier présentant plus de quatre côtés, auquel cas, l'orifice 22 doit avoir une forme complémentaire.Although in the present example, the plate 21 carrying the pins 20 has a square shape, it can have the shape of a regular polygon having more than four sides, in which case, the orifice 22 must have a complementary shape.

L'agencement qui vient d'être décrit permet d'éviter l'utilisation d'un outil particulier pour permettre d'accéder au dispositif d'alarme qu'il protège ; le capot de protection ne subit aucune détérioration au cours de l'utilisation de la boîte d'alarme, ce qui évite de le remplacer. La seule pièce qu'il y a lieu de renouveler après chaque utilisation du dispositif est la goupille de cisaillement qui est une pièce particulièrement bon marché et qui de plus est à la disposition de l'utilisateur dans une réserve de goupilles prévue sur le support.The arrangement which has just been described makes it possible to avoid the use of a particular tool to allow access to the alarm device which it protects; the protective cover does not suffer any deterioration during the use of the alarm box, which avoids replacing it. The only part that needs to be renewed after each use of the device is the shear pin which is a particularly inexpensive part and which is moreover available to the user in a reserve of pins provided on the support.

On voit par conséquent que la boîte d'alarme suivant l'invention présente vis-à-vis des boîtes d'alarme classiques l'avantage d'être d'un prix de revient plus modéré et d'être par ailleurs très facile à utiliser, pratiquement sans aucune détérioration de ses constituants.It can therefore be seen that the alarm box according to the invention has the advantage over conventional alarm boxes of being of a more moderate cost price and of being moreover very easy to use. , practically without any deterioration of its constituents.

Claims (8)

1. A box for protecting an alarm or security device, comprising a support (1) for the alarm device (7) in the form of a rectangular plate (1) disposed vertically and, for the protection of this device, a cover (13, 23) which is pivotally mounted on the support and is normally retained, relative to the latter, in a closed position by means of a shear pin (16, 20) but which may be opened after the breakage, by a manual action, of said pin, by pivoting about a pivot axis which is constituted by two pins (14) provided at the lower end of the cover, characterised in that the cover (13, 23) whose pins (14) are engaged in corresponding slideways (4, 5) formed on the respective vertical edges of the support (1), is retained in the closed position adjacent the upper end by insertion of its upper end edge in a formed-over ledge (6) of the support, and, adjacent the lower end, by the shear pin (16,20) which is connected to the support and whose breakage under the effect of an impact in the downward direction on the cover causes the downward sliding of the two pins (14) and a corresponding disengagement of the upper edge of the cover out of the ledge (6), so that the cover can then be opened by pivoting it about the two pins.
2. A box according to claim 1, characterised in that the protective cover (13, 23) is of transparent plastics material.
3. A box according to one of the claims 1 and 2, characterised in that the shear pin (16) is placed in a cavity (15) of the support plate (1) provided in the lower part of the latter, so that said pin is in contact with the lower horizontal edge of the cover (13) when its upper end edge is engaged in the formed-over ledge (6) of the support plate (1).
4. A box according to one of the claims 1 to 3, characterised in that the cover (13, 23) is furthermore connected to the support plate (1) by a flexible connecting element (19) for maintaining the cover (13, 23) connected to the support plate (1) after opening the box.
5. A box according to claim 3, characterised in that it comprises a store (17) of pins carried by the support plate (1).
6. A box according to one of the claims 1 and 2, characterised in that the shear pin (20) is carried by a small support plate (21) covering an orifice (22) formed in the cover (23) and cooperating with a tab (24) connected to the support plate (1), the small support plate (21) being held in position by a lock (28).
7. A box according to claim 6, characterised in that the small plate (21) is in the shape of a regular polygon, the orifice (22) of the cover (23) having a complementary shape, spare pins (20) being placed at equal distances from the middle of the corresponding sides of the small plate (21).
8. A box according to claim 7, characterised in that the small plate (21) has a square shape and includes on one of its sides a groove (25) in which is engaged an edge of the orifice (22) formed in the cover (23) and it is applied by the lock (28) against the opposite edge of the orifice (22).
EP81400560A 1980-04-11 1981-04-08 Alarm box Expired EP0038253B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT81400560T ATE12555T1 (en) 1980-04-11 1981-04-08 ALARM HOUSING.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8008136 1980-04-11
FR8008136A FR2480466A1 (en) 1980-04-11 1980-04-11 ALARM BOX

Publications (2)

Publication Number Publication Date
EP0038253A1 EP0038253A1 (en) 1981-10-21
EP0038253B1 true EP0038253B1 (en) 1985-04-03

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Application Number Title Priority Date Filing Date
EP81400560A Expired EP0038253B1 (en) 1980-04-11 1981-04-08 Alarm box

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EP (1) EP0038253B1 (en)
AT (1) ATE12555T1 (en)
DE (1) DE3169639D1 (en)
ES (1) ES257916Y (en)
FR (1) FR2480466A1 (en)

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Publication number Priority date Publication date Assignee Title
US5826957A (en) * 1997-02-25 1998-10-27 Hubbell Incorporated Housing with multiple fixed declination adjustment positions and living hinge connections
GB2436883B (en) * 2006-04-03 2011-02-09 Elmdene Internat Ltd Alarm unit
DE102017100476A1 (en) * 2017-01-11 2018-07-12 Dormakaba Deutschland Gmbh emergency exit terminal

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Publication number Priority date Publication date Assignee Title
US2698354A (en) * 1950-10-30 1954-12-28 Edwards Company Inc Construction for electrical connections in electric signaling apparatus
US2822451A (en) * 1955-12-07 1958-02-04 Willis G Holmes Alarm sending station
US2830143A (en) * 1956-10-15 1958-04-08 Notifier Corp Alarm station

Also Published As

Publication number Publication date
FR2480466A1 (en) 1981-10-16
EP0038253A1 (en) 1981-10-21
ATE12555T1 (en) 1985-04-15
ES257916U (en) 1981-11-01
ES257916Y (en) 1982-05-01
DE3169639D1 (en) 1985-05-09
FR2480466B1 (en) 1983-01-21

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