EP0330537B1 - Box comprising a receptacle member and a cover pivotally associated with a hinge, and provided with a closure device including at least a movable member co-operating with fixed members of the cover and of the box - Google Patents

Box comprising a receptacle member and a cover pivotally associated with a hinge, and provided with a closure device including at least a movable member co-operating with fixed members of the cover and of the box Download PDF

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Publication number
EP0330537B1
EP0330537B1 EP89400343A EP89400343A EP0330537B1 EP 0330537 B1 EP0330537 B1 EP 0330537B1 EP 89400343 A EP89400343 A EP 89400343A EP 89400343 A EP89400343 A EP 89400343A EP 0330537 B1 EP0330537 B1 EP 0330537B1
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EP
European Patent Office
Prior art keywords
case
lid
cover
push button
cradle
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
EP89400343A
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German (de)
French (fr)
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EP0330537A1 (en
Inventor
Antonin Goncalves
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.)
LOreal SA
Original Assignee
LOreal SA
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Publication date
Application filed by LOreal SA filed Critical LOreal SA
Priority to AT89400343T priority Critical patent/ATE84948T1/en
Publication of EP0330537A1 publication Critical patent/EP0330537A1/en
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Publication of EP0330537B1 publication Critical patent/EP0330537B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A45—HAND OR TRAVELLING ARTICLES
    • A45D—HAIRDRESSING OR SHAVING EQUIPMENT; EQUIPMENT FOR COSMETICS OR COSMETIC TREATMENTS, e.g. FOR MANICURING OR PEDICURING
    • A45D40/00—Casings or accessories specially adapted for storing or handling solid or pasty toiletry or cosmetic substances, e.g. shaving soaps or lipsticks
    • A45D40/22—Casings characterised by a hinged cover
    • A—HUMAN NECESSITIES
    • A45—HAND OR TRAVELLING ARTICLES
    • A45C—PURSES; LUGGAGE; HAND CARRIED BAGS
    • A45C13/00—Details; Accessories
    • A45C13/10—Arrangement of fasteners
    • A45C13/1076—Arrangement of fasteners with a snap action
    • A45C13/1084—Arrangement of fasteners with a snap action of the latch-and-catch type

Definitions

  • the present invention relates to housings, comprising a base and a cover connected to each other by a hinge provided with a closure device comprising at least one movable element cooperating with fixed elements of the cover and of the housing.
  • These boxes can be used for all kinds of packaging but are more particularly suitable for packaging cosmetic products or make-up products.
  • Numerous boxes comprising a base and a cover connected to each other by a hinge.
  • This articulation can be constituted by cylindrical articulation, a hinge, a flexible substance which can bend or any similar device allowing the cover to pivot with respect to the base during the opening and closing of the case.
  • a closure device or clasp Generally in an area remote from the joint, there is a closure device or clasp.
  • the part comprising the closing device will be designated by the front of the housing and the side comprising the articulation by the rear.
  • a clasp for a case which comprises a movable element consisting of a first part fixed in a recess in the bottom of the case and a second part comprising a hook ensuring the retaining the cover, these two parts being connected by means of an elastic junction part.
  • This movable element has a projection with actuation surface.
  • the disadvantage of this clasp is that it forces the user of the housing to use his two hands to open the housing, one to hold it by its bottom and the other to actuate the movable element.
  • a case comprising a bottom and a cover, these two parts of the case being interconnected by a hinge.
  • the case On the side opposite the hinge, the case is provided with a clasp, essentially consisting of a movable element mounted in the side wall of the bottom and provided with a hook which cooperates with a corresponding unevenness, brought inside the cover in the side wall opposite the hinge, to secure the cover.
  • the movable member has a projection serving as an actuating surface. This case also requires, to open it, to use two hands, one to grasp it by its bottom, and the other, to actuate the movable element.
  • the present invention relates to a housing comprising a closing device which avoids the aforementioned drawbacks and which combines the advantages of an opening device by simple pressure on a pusher and of a device located on the front of the housing.
  • the device according to the invention has many other advantages which will be described later.
  • the fixed elements of the cover preferably comprise a rear cradle making it possible to immobilize in translation the pivot of the tilting pusher, said pivot being held between the front and rear cradles and kept in abutment on the front cradle by the elastic tongue.
  • the hooking means of the locking finger is preferably a notch delimiting a concave housing, the retaining means carried by the wall of the recess of the base of the housing being a bead capable of being housed in said concave housing.
  • the fixed elements of the cover preferably comprise two elastic tabs arranged symmetrically with respect to the rear stop on which the rocking pusher comes to bear.
  • the pivot of the tilting pusher preferably consists of two pins separated by a flat, the front cradle located in the cover consists of two half-cradles supporting the two pins.
  • the rear cradle forming part of the fixed elements of the cover is preferably constituted by a plate substantially parallel to the mean plane of the lumen of the front edge of the cover, said plate having a notch at its lower part.
  • the rear stop on which the tilting pusher bears preferably comprises an oblique surface complementary to an oblique bearing of the operating bar, said oblique bearing coming in contact with said oblique surface when the operating bar is at the end of its driving stroke in the housing.
  • the tilting pusher preferably has on the rear side of the operating bar and in line with the elastic tongue (s), a substantially flat surface on which the tongue (s) bear when the bar is in the closed position of the housing.
  • the front face of the operating bar has a flat, oblique or convex shape which adapts to the front edge of the cover on which it projects.
  • the movable element according to the present invention is preferably a single piece obtained by molding a plastic material.
  • This plastic material may be different from that constituting the fixed elements.
  • the plastic material is in particular a substance of great hardness such as styrene-maleic anhydride copolymers.
  • the closure device has many advantages. It allows the user to understand the locking system immediately. Indeed, to unlock the box, simply press an apparent button located on the front part of the cover. On the other hand thanks to the action of the tabs which point out the locking is done automatically as soon as the cover is closed.
  • the movement of the tilting pusher has rational kinematics because it pivots around an axis. By adjusting the length of the locking finger, it is easy to control the operating flexibility which varies according to the thickness of the housings.
  • Figure 1 is a sectional view of a housing comprising the closure device according to the invention.
  • Figure 2 is a top view of a housing according to the invention.
  • Figure 3 is a perspective view of the fixed elements located in the base of the housing.
  • Figure 4 is a perspective view seen from below of the fixed elements located in the housing cover.
  • Figure 5 is a perspective view of the tilting pusher.
  • Figure 6 is a view along VI - VI of the fixed elements located in the housing cover.
  • Figure 7 is a sectional view along VII - VII of the device.
  • Figure 8 is a sectional view along VIII - VIII of the closure device showing the phase of introduction of the movable member.
  • Figure 9 is a view along IX - IX of the closure device in the closed position
  • Figure 10 ⁇ is a view along IX - IX of the closing device in the open position.
  • the housing has at its so-called upper part a cover 1 and at its so-called “lower” part a base 2 connected on the side (hereinafter called “rear") by a hinge 3 around which the cover 1 can pivot around base 2 when opening and closing the case.
  • the housing can be of any shape: rectangular, square, round, oval, etc.
  • the articulation 3 can be a hinge as shown in the appended figure but also any known device allowing the cover to pivot relative to the base.
  • the closing device 4 On the side of the housing furthest from the articulation 3 (hereinafter referred to as the "front" side) is the closing device 4.
  • This closing device 4 comprises as a movable element a tilting pusher 5 associated with fixed elements 6 located in the cover 1 of the housing and to elements 7 located in the base 2 of the housing.
  • the fixed elements 6 and 7 are opposite one another so as to be able to cooperate with the tilting pusher 5.
  • the tilting pusher 5 has the shape of a T consisting of an upper branch and a central leg.
  • the upper branch of the T comprises at the front an operating bar 51 projecting from the front edge 1 ′ of the cover.
  • This operating bar 51 may comprise at the front a flat surface as shown in Figures 8 to 10 or have an oblique surface 52 as shown in Figure 5 to adapt to the shape of the front edge 1 ′ of the cover.
  • a pivot which consists of two pins 53 and 53 ′. They are separated by a flat 57.
  • the pins 53, 53 ′ are on the side of the central leg connected to the operating bar 51 by a continuous inclined surface. On the opposite side they are connected by an oblique plane 54 and a plane substantially parallel to the central leg of the T 55. Between the plane 55 and the two pins 53, 53 ′ is a groove 56 substantially parallel to the bar of the T. Les two pins 53, 53 ′ are fixed to the bar of the T by an area as small as possible but nevertheless sufficient to ensure adequate mechanical strength. According to another embodiment, the pivot does not has no flat.
  • the central leg of the T is constituted by a locking finger 58 substantially arranged along the axis of symmetry of the rocking pusher 5.
  • This locking finger 58 has an elongated parallelepiped or cylindrical shape. It is provided at its part furthest from the upper bar of the T with a hooking means 59 which is a notch delimiting a concave housing.
  • the fixed elements of the closure system 6 located in the cover 1 are more particularly illustrated in FIGS. 4, 6 and 7. They define on the front edge 1 ′ of the cover a light 61 through which the bar 51 projects projecting from the edge front 1 ′ of the cover. This light is limited on the upper side of the cover by a flange 62 and laterally by two partitions.
  • the lower edge is limited by a parallelepiped bar 63 at each end of which there is a front half-cradle 64, 64 ′. According to another embodiment, the lower edge can be formed over its entire length by the cradle.
  • These two half-cradles successively comprise, starting from the front face of the housing, a plane parallel to the surface of the cover 64a, 64′a, an inclined plane 64b, 64′b and a planar surface 64c, 64′c.
  • the assembly formed by the inclined plane 64b, 64′b and the plane 64c, 64′c could be replaced by a concave surface.
  • the pins 53 and 53 ′ rest on the inclined planes 64b, 64′b and on the plane 64c, 64′c.
  • two tongues 65, 65 ′ fixed inside the upper part of the cover 2. They are substantially symmetrical with respect to the median plane perpendicular to the cover of the passage light 61. These tabs are thin so as to have some elasticity. They are supported on the plane 55 substantially parallel to the central leg of the T of the rocking pusher. A rear stop 66 is fixed behind the tabs 65, 65 ′. It has the same median plane perpendicular to the surface of the cover as the light 61.
  • the rear stop 66 has, according to the illustrated embodiment, in section perpendicular to the upper surface of the cover 2 in the form of a rectangular trapezoid, the short side being located downwards (that is to say on the base side of the cover) and the inclined side 67 towards the front.
  • a rear cradle 68 which, according to the embodiment shown, consists of a plate fixed to the inner part of the surface of the cover 2.
  • the cradle 68 is provided with a indentation which according to the embodiment shown is rectangular.
  • the cradle 68 could, according to another embodiment, consist of two symmetrically arranged half-cradles.
  • the pins 53, 53 ′ come to bear on the rear cradle 68 which makes it possible to immobilize them in translation.
  • the fixed elements of the device located at the bottom of the housing 2 are more particularly shown in FIG. 3. These elements form a recess 74 delimited by the bottom surface of the base 2 of the housing, by its front wall 71 and by a partial partition 72 located further back.
  • This partition 72 provides a space between its lower part and the inner surface of the base of the housing.
  • the assembly of the closing system is very simple. Introducing the rocking pusher 5 through the light 61.
  • the flat 57 formed between the two pins allows the passage of the rocking pusher 5 at the rear stop 66.
  • the rectangular notch 69 of the cradle 68 allows passage and tilting of the locking finger 58 in the central recess 74.
  • the tilting pusher 5 is, according to the embodiment shown in the appended figures, a single piece which can easily be prepared by any conventional method of molding a plastic material.
  • the fixed elements 6 of the cover and the fixed elements 7 of the base of the case can also easily be prepared by molding at the same time as the cover of the case. It suffices to provide drawers of suitable shape in the molds.

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  • Closures For Containers (AREA)
  • Casings For Electric Apparatus (AREA)
  • Holders For Apparel And Elements Relating To Apparel (AREA)

Abstract

The invention relates to cases, in particular cases for packaging cosmetic products, provided with a closure device including a movable element comprising a tilting pushbutton (5) in the form of a T, the top beam of which includes a control bar (51) projecting from the front edge (1') of the lid (1) in the closure position, and on the back a pivot (53, 53'), and the central leg of which comprises a latching prong (58) provided with a hook member (59). The movable element cooperates with fixed elements (6) of the lid including a front crtadle (64), at least one tongue (65), and a window (61) and fixed elements of the base (2) including a recess (74) for the latching prong (58) and a retention member (73) that is complementary with the hook member (59) of the prong (58).

Description

La présente invention concerne des boîtiers, comprenant une base et un couvercle reliés l'un à l'autre par une articulation munis d'un dispositif de fermeture comportant au moins un élément mobile coopérant avec des éléments fixes du couvercle et du boîtier. Ces boîtiers peuvent être utilisés pour toutes sortes de conditionnement mais conviennent plus particulièrement au conditionnement des produits cosmétiques, ou produits de maquillage.The present invention relates to housings, comprising a base and a cover connected to each other by a hinge provided with a closure device comprising at least one movable element cooperating with fixed elements of the cover and of the housing. These boxes can be used for all kinds of packaging but are more particularly suitable for packaging cosmetic products or make-up products.

On connaît de nombreux boîtiers comportant une base et un couvercle reliés l'un à l'autre par une articulation. Cette articulation peut être constituée par articulation cylindrique, une charnière, une substance souple pouvant se plier ou tout dispositif analogue permettant au couvercle de pivoter par rapport à la base lors de l'ouverture et de la fermeture du boîtier. Généralement dans une zone éloignée de l'articulation, se trouve un dispositif de fermeture ou fermoir. Dans la suite de la demande on désignera par avant du boîtier la partie comportant le dispositif de fermeture et par arrière le côté comportant l'articulation.Numerous boxes are known comprising a base and a cover connected to each other by a hinge. This articulation can be constituted by cylindrical articulation, a hinge, a flexible substance which can bend or any similar device allowing the cover to pivot with respect to the base during the opening and closing of the case. Generally in an area remote from the joint, there is a closure device or clasp. In the rest of the request, the part comprising the closing device will be designated by the front of the housing and the side comprising the articulation by the rear.

On connaît de très nombreux dispositifs de fermeture qui comportent des parties solidaires d'une part du couvercle, d'autre part de la base, se faisant vis à vis et ayant des formes complémentaires. Dans de nombreux cas on utilise pour obtenir le fonctionnement du dispositif de fermeture le caractère plus ou moins souple de la matière constituant le boîtier, et par conséquent des parties solidaires du couvercle et de la base. Mais les dispositifs de ce type utilisés jusqu'à présent nécessitent soit de décaler les doigts pour ouvrir le couvercle, soit d'appuyer sur la partie inférieure ou supérieure du boîtier. Dans ces cas le geste n'est ni naturel ni évident et les utilisateurs ont du mal à comprendre le fonctionnement du dispositif pour déclencher l'ouverture.Many closing devices are known which comprise parts integral on the one hand with the cover and on the other with the base, facing each other and having complementary shapes. In many cases, the more or less flexible nature of the material constituting the housing is used to obtain the operation of the closure device, and therefore parts integral with the cover and the base. But devices of this type used until now require either to shift the fingers to open the cover, or to press on the lower or upper part of the case. In these cases the gesture is neither natural nor obvious and users have difficulty understanding the operation of the device to trigger the opening.

Dans la demande de brevet européen EP-A-0 002 443, on décrit un fermoir pour boîtier qui comprend un élément mobile constitué d'une première partie fixée dans un évidement du fond du boîtier et d'une seconde partie comportant un crochet assurant la retenue du couvercle, ces deux parties étant reliées par l'intermédiaire d'une partie de jonction élastique. Cet élément mobile comporte une saillie à surface d'actionnement. L'inconvénient de ce fermoir est qu'il oblige l'utilisateur du boîtier à se servir de ses deux mains pour ouvrir le boîtier, l'une pour le tenir par son fond et l'autre pour actionner l'élément mobile.In European patent application EP-A-0 002 443, a clasp for a case is described which comprises a movable element consisting of a first part fixed in a recess in the bottom of the case and a second part comprising a hook ensuring the retaining the cover, these two parts being connected by means of an elastic junction part. This movable element has a projection with actuation surface. The disadvantage of this clasp is that it forces the user of the housing to use his two hands to open the housing, one to hold it by its bottom and the other to actuate the movable element.

Dans le document DE-A-3 606 510, on décrit un étui comprenant un fond et un couvercle, ces deux parties de l'étui étant reliées entre elles par une charnière. Du côté opposé à la charnière, l'étui est muni d'un fermoir, constitué essentiellement d'un élément mobile monté dans la paroi latérale du fond et muni d'un crochet qui coopère avec un dénivellement correspondant, apporté à l'intérieur du couvercle dans la paroi latérale opposée à la charnière, pour assurer la retenue du couvercle. L'élément mobile présente une saillie servant comme surface d'actionnement. Cet étui nécessite également, pour l'ouvrir, de se servir de ses deux mains, l'une pour le saisir par son fond, et l'autre, pour actionner l'élément mobile.In document DE-A-3 606 510, a case is described comprising a bottom and a cover, these two parts of the case being interconnected by a hinge. On the side opposite the hinge, the case is provided with a clasp, essentially consisting of a movable element mounted in the side wall of the bottom and provided with a hook which cooperates with a corresponding unevenness, brought inside the cover in the side wall opposite the hinge, to secure the cover. The movable member has a projection serving as an actuating surface. This case also requires, to open it, to use two hands, one to grasp it by its bottom, and the other, to actuate the movable element.

Dans la demande de brevet français 2 595 663 on décrit un système comportant un élément mobile en V constitué par un poussoir situé à une extrémité du V et faisant saillie sur la face supérieure du couvercle et un bras souple d'encliquetage portant un bourrelet qui coopère avec des éléments fixes du boîtier. L'ouverture se fait donc par simple pression verticale sur un poussoir. Ce système de fermeture présente l'avantage de comporter un élément qui est fabriqué indépendamment du boîtier et peut donc être fabriqué dans une substance différente de celle du boîtier, par exemple plus souple ou plus résistante à l'usure. Ce système présente cependant quelques inconvénients lorsque les boîtiers doivent être stockés par superposition car le poussoir est situé sur la partie supérieure du couvercle.In French patent application 2 595 663 a system is described comprising a movable V-shaped element constituted by a pusher situated at one end of the V and projecting from the upper face of the cover and a flexible latching arm carrying a bead which cooperates with fixed elements of the housing. The opening is therefore done by simple vertical pressure on a pusher. This closure system has the advantage of comprising an element which is produced independently of the housing and can therefore be produced in a substance different from that of the case, for example more flexible or more resistant to wear. However, this system has some drawbacks when the boxes must be stored by stacking because the pusher is located on the upper part of the cover.

La présente invention concerne un boîtier comportant un dispositif de fermeture qui évite les inconvénients précités et qui allie les avantages d'un dispositif d'ouverture par simple pression sur un poussoir et d'un dispositif situé sur l'avant du boîtier. D'autre part le dispositif selon l'invention présente de nombreux autres avantages qui seront décrits par la suite.The present invention relates to a housing comprising a closing device which avoids the aforementioned drawbacks and which combines the advantages of an opening device by simple pressure on a pusher and of a device located on the front of the housing. On the other hand the device according to the invention has many other advantages which will be described later.

La présente invention concerne un boîtier comprenant une base et un couvercle reliés l'un à l'autre par une articulation muni d'un dispositif de fermeture qui est situé dans une zone éloignée de l'articulation et qui comporte au moins un élément mobile coopérant avec des éléments fixes situés dans le couvercle et la base du boîtier, l'élément mobile comportant une barrette de manoeuvre faisant saillie hors du boîtier en position de fermeture de ce dernier caractérisé par le fait que :

  • en premier lieu, l'élément mobile est un poussoir basculant en forme de T constitué d'une branche supérieure et d'une jambe centrale, ladite branche supérieure comportant, vers l'avant du boîtier, la barrette de manoeuvre faisant saillie sur la bordure avant du couvercle en position de fermeture et à l'arrière, vers l'articulation du boîtier, un pivot, le plan moyen de la barrette de manoeuvre étant sensiblement parallèle à l'axe du pivot mais ne le contenant pas, ladite jambe centrale constituée par un doigt de verrouillage portant à son extrémité inférieure un moyen d'accrochage ;
  • en deuxième lieu, les éléments fixes du dispositif de fermeture portés par le couvercle définissent sur la bordure avant du couvercle, une lumière de passage de la barette de manoeuvre du poussoir basculant, comportent un berceau avant qui supporte le pivot du poussoir basculant, ledit berceau avant étant porté intérieurement par la bordure avant de couvercle et en outre, d'une part une butée arrière sur laquelle le poussoir basculant vient en appui quand la barrette de manoeuvre est soumise à une poussée dirigée vers l'intérieur du boîtier, d'autre part au moins une languette élastique qui s'appuie sur le poussoir basculant du côté arrière de la barrette de manoeuvre pour repousser ladite barrette vers l'avant du boîtier et maintenir le pivot en appui sur son berceau avant ;
  • en troisième lieu, des éléments fixes du dispositif de fermeture situés sur la base du boîtier définissent en évidement situé contre la bordure avant de la base du boîtier, ledit évidement recevant le doigt de verrouillage quand le boîtier est en position de fermeture, la paroi de l'évidement perpendiculaire à la base du boîtier et située vers l'intérieur de ce dernier comportant un moyen de retenue complémentaire du moyen d'accrochage du doigt de verrouillage.
The present invention relates to a housing comprising a base and a cover connected to each other by a joint provided with a closure device which is located in a zone remote from the joint and which comprises at least one movable cooperating element with fixed elements located in the cover and the base of the housing, the mobile element comprising an operating bar projecting from the housing in the closed position of the latter, characterized in that:
  • firstly, the movable element is a T-shaped rocking pusher consisting of an upper branch and a central leg, said upper branch comprising, towards the front of the housing, the operating bar projecting from the edge front of the cover in the closed position and at the rear, towards the articulation of the housing, a pivot, the mean plane of the operating bar being substantially parallel to the axis of the pivot but not containing it, said central leg formed by a locking finger carrying at its lower end an attachment means;
  • secondly, the fixed elements of the closure device carried by the cover define, on the front edge of the cover, a passage for the operating bar of the rocking pusher, comprise a front cradle which supports the pivot of the rocking pusher, said cradle front being carried internally by the front edge of the cover and in addition, on the one hand, a rear stop on which the rocking pusher comes to bear when the operating bar is subjected to a thrust directed towards the inside of the housing, on the other hand at least one elastic tongue which rests on the rocker push button on the rear side of the operating bar to push said bar towards the front of the housing and keep the pivot in abutment on its front cradle;
  • thirdly, fixed elements of the closure device located on the base of the housing define a recess located against the front edge of the base of the housing, said recess receiving the locking finger when the housing is in the closed position, the wall of the recess perpendicular to the base of the housing and situated towards the inside of the latter comprising a retaining means complementary to the means for hooking the locking finger.

Selon la présente invention, les éléments fixes du couvercle comportent de préférence un berceau arrière permettant d'immobiliser en translation le pivot du poussoir basculant, ledit pivot étant maintenu entre les berceaux avant et arrière et maintenu en appui sur le berceau avant par la languette élastique.According to the present invention, the fixed elements of the cover preferably comprise a rear cradle making it possible to immobilize in translation the pivot of the tilting pusher, said pivot being held between the front and rear cradles and kept in abutment on the front cradle by the elastic tongue. .

Le moyen d'accrochage du doigt de verrouillage est de préférence un cran délimitant un logement concave, le moyen de retenue porté par la paroi de l'évidement de la base du boîtier étant un bourrelet susceptible de se loger dans ledit logement concave.The hooking means of the locking finger is preferably a notch delimiting a concave housing, the retaining means carried by the wall of the recess of the base of the housing being a bead capable of being housed in said concave housing.

Les éléments fixes du couvercle comportent de préférence deux languettes élastiques disposées symétriquement par rapport à la butée arrière sur laquelle le poussoir basculant vient en appui.The fixed elements of the cover preferably comprise two elastic tabs arranged symmetrically with respect to the rear stop on which the rocking pusher comes to bear.

Le pivot du poussoir basculant est constitué de préférence par deux tourillons séparés par un méplat, le berceau avant situé dans le couvercle étant constitué de deux demi-berceaux supportant les deux tourillons.The pivot of the tilting pusher preferably consists of two pins separated by a flat, the front cradle located in the cover consists of two half-cradles supporting the two pins.

Le berceau arrière faisant partie des éléments fixes du couvercle est de préférence constitué par une plaque sensiblement parallèle au plan moyen de la lumière de la bordure avant du couvercle, ladite plaque comportant une échancrure à sa partie inférieure.The rear cradle forming part of the fixed elements of the cover is preferably constituted by a plate substantially parallel to the mean plane of the lumen of the front edge of the cover, said plate having a notch at its lower part.

La butée arrière sur laquelle le poussoir basculant vient en appui comporte de préférence une surface oblique complémentaire d'une portée oblique de la barrette de manoeuvre, ladite portée oblique venant en contact avec ladite surface oblique lorsque la barrette de manoeuvre est à l'extrémité de sa course d'enfoncement dans le boîtier.The rear stop on which the tilting pusher bears preferably comprises an oblique surface complementary to an oblique bearing of the operating bar, said oblique bearing coming in contact with said oblique surface when the operating bar is at the end of its driving stroke in the housing.

Le poussoir basculant comporte de préférence sur le côté arrière de la barrette de manoeuvre et au droit de la (ou des) languette(s) élastiques, une surface sensiblement plane sur laquelle la (ou les) languette(s) prennent appui lorsque la barrette de manoeuvre est dans la position de fermeture du boîtier.The tilting pusher preferably has on the rear side of the operating bar and in line with the elastic tongue (s), a substantially flat surface on which the tongue (s) bear when the bar is in the closed position of the housing.

La face avant de la barrette de manoeuvre a une forme plane, oblique ou convexe qui s'adapte à la bordure avant du couvercle sur laquelle elle fait saillie.The front face of the operating bar has a flat, oblique or convex shape which adapts to the front edge of the cover on which it projects.

L'élément mobile selon la présente invention est de préférence une pièce unique obtenue par moulage d'une matière plastique. Cette matière plastique peut être différente de celle constituant les éléments fixes. La matière plastique est en particulier une substance de grande dureté tel que des copolymères styrène-anhydride maleique.The movable element according to the present invention is preferably a single piece obtained by molding a plastic material. This plastic material may be different from that constituting the fixed elements. The plastic material is in particular a substance of great hardness such as styrene-maleic anhydride copolymers.

Le dispositif de fermeture selon l'invention présente de nombreux avantages. Il permet une compréhension immédiate du système de fermeture par l'usager. En effet pour déverrouiller le boîtier, il suffit d'appuyer sur un poussoir apparent situé sur la partie avant du couvercle. D'autre part grâce à l'action des languettes qui font ressort le verrouillage se fait automatiquement dès qu'on referme le couvercle. Le mouvement du poussoir basculant a une cinématique rationnelle car il pivote autour d'un axe. On peut en ajustant la longueur du doigt de verrouillage facilement maîtriser la souplesse de fonctionnement qui varie suivant l'épaisseur des boîtiers.The closure device according to the invention has many advantages. It allows the user to understand the locking system immediately. Indeed, to unlock the box, simply press an apparent button located on the front part of the cover. On the other hand thanks to the action of the tabs which point out the locking is done automatically as soon as the cover is closed. The movement of the tilting pusher has rational kinematics because it pivots around an axis. By adjusting the length of the locking finger, it is easy to control the operating flexibility which varies according to the thickness of the housings.

Pour mieux faire comprendre la présente invention on va décrire ci-après à titre purement illustratif et non limitatif un mode de réalisation représenté sur les dessins annexés.To better understand the present invention will be described below purely Illustrative and not limiting, an embodiment shown in the accompanying drawings.

La figure 1 est une vue en coupe d'un boîtier comportant le dispositif de fermeture selon l'invention.Figure 1 is a sectional view of a housing comprising the closure device according to the invention.

La figure 2 est une vue de dessus d'un boîtier selon l'invention.Figure 2 is a top view of a housing according to the invention.

La figure 3 est une vue en perspective des éléments fixes situés dans la base du boîtier.Figure 3 is a perspective view of the fixed elements located in the base of the housing.

La figure 4 est une vue en perspective vue par en-dessous des éléments fixes situés dans le couvercle du boîtier.Figure 4 is a perspective view seen from below of the fixed elements located in the housing cover.

La figure 5 est une vue en perspective du poussoir basculant.Figure 5 is a perspective view of the tilting pusher.

La figure 6 est une vue selon VI - VI des éléments fixes situés dans le couvercle du boîtier.Figure 6 is a view along VI - VI of the fixed elements located in the housing cover.

La figure 7 est une vue en coupe selon VII - VII du dispositif.Figure 7 is a sectional view along VII - VII of the device.

La figure 8 est une vue en coupe selon VIII - VIII du dispositif de fermeture montrant la phase d'introduction de l'élément mobile.Figure 8 is a sectional view along VIII - VIII of the closure device showing the phase of introduction of the movable member.

La figure 9 est une vue selon IX - IX du dispositif de fermeture en position ferméeFigure 9 is a view along IX - IX of the closure device in the closed position

La figure 10̸ est une vue selon IX - IX du dispositif de de fermeture en position d'ouverture.Figure 10̸ is a view along IX - IX of the closing device in the open position.

Comme illustré sur la figure 1 le boîtier comporte à sa partie dite supérieure un couvercle 1 et à sa partie dite "inférieure" une base 2 reliés du côté (dit par la suite "arrière") par une articulation 3 autour de laquelle le couvercle 1 peut pivoter autour de la base 2 lors de l'ouverture et de la fermeture du boîtier. Le boîtier peut être de forme quelconque : rectangulaire, carrée, ronde, ovale, etc... L'articulation 3 peut être une charnière comme représenté sur la figure annexée mais également tout dispositif connu permettant au couvercle de pivoter par rapport à la base. Sur le côté du boîtier le plus éloigné de l'articulation 3 (dit par la suite côté "avant") se trouve le dispositif de fermeture 4. Ce dispositif de fermeture 4 comprend comme élément mobile un poussoir basculant 5 associé à des éléments fixes 6 situés dans le couvercle 1 du boîtier et à des élements 7 situés dans la base 2 du boîtier. Les éléments fixes 6 et 7 se font vis à vis de façon à pouvoir coopérer avec le poussoir basculant 5. Dans la description donnée ci-dessous le dispositif 4 est décrit en position de fermeture. Le poussoir basculant 5 a la forme d'un T constitué d'une branche supérieure et d'une jambe centrale. La branche supérieure du T comporte à l'avant une barrette de manoeuvre 51 faisant saillie sur la bordure avant 1′ du couvercle. Cette barrette de manoeuvre 51 peut comporter à l'avant une surface plane comme représenté sur les figures 8 à 10 ou comporter une surface oblique 52 comme representé sur la figure 5 pour s'adapter à la forme de la bordure avant 1′ du couvercle. Elle pourrait également comporter une surface convexe. Selon le mode de réalisation représenté sur la figure 5 à l'arrière de la branche supérieure se trouvent disposés un pivot qui est constitué de deux tourillons 53 et 53′. Ils sont séparés par un méplat 57. Les tourillons 53, 53′ sont du côté de la jambe centrale reliés à la barrette de manoeuvre 51 par une surface inclinée continue. Du côté opposé ils sont reliés par un plan oblique 54 et un plan sensiblement parallèle à la jambe centrale du T 55. Entre le plan 55 et les deux tourillons 53, 53′ se trouve une gorge 56 sensiblement parallèle à la barre du T. Les deux tourillons 53, 53′ sont fixés à la barre du T par une surface aussi faible que possible mais cependant suffisante pour assurer une résistance mécanique convenable. Selon un autre mode de réalisation le pivot ne comporte pas de méplat. La jambe centrale du T est constituée par un doigt de verrouillage 58 sensiblement disposé selon l'axe de symétrie du poussoir basculant 5. Ce doigt de verrouillage 58 a une forme allongée parallélépipédique ou cylindrique. Il est muni à sa partie la plus éloignée de la barre supérieure du T d'un moyen d'accrochage 59 qui est un cran délimitant un logement concave.As illustrated in Figure 1 the housing has at its so-called upper part a cover 1 and at its so-called "lower" part a base 2 connected on the side (hereinafter called "rear") by a hinge 3 around which the cover 1 can pivot around base 2 when opening and closing the case. The housing can be of any shape: rectangular, square, round, oval, etc. The articulation 3 can be a hinge as shown in the appended figure but also any known device allowing the cover to pivot relative to the base. On the side of the housing furthest from the articulation 3 (hereinafter referred to as the "front" side) is the closing device 4. This closing device 4 comprises as a movable element a tilting pusher 5 associated with fixed elements 6 located in the cover 1 of the housing and to elements 7 located in the base 2 of the housing. The fixed elements 6 and 7 are opposite one another so as to be able to cooperate with the tilting pusher 5. In the description given below, the device 4 is described in the closed position. The tilting pusher 5 has the shape of a T consisting of an upper branch and a central leg. The upper branch of the T comprises at the front an operating bar 51 projecting from the front edge 1 ′ of the cover. This operating bar 51 may comprise at the front a flat surface as shown in Figures 8 to 10 or have an oblique surface 52 as shown in Figure 5 to adapt to the shape of the front edge 1 ′ of the cover. It could also have a convex surface. According to the embodiment shown in Figure 5 at the rear of the upper branch are arranged a pivot which consists of two pins 53 and 53 ′. They are separated by a flat 57. The pins 53, 53 ′ are on the side of the central leg connected to the operating bar 51 by a continuous inclined surface. On the opposite side they are connected by an oblique plane 54 and a plane substantially parallel to the central leg of the T 55. Between the plane 55 and the two pins 53, 53 ′ is a groove 56 substantially parallel to the bar of the T. Les two pins 53, 53 ′ are fixed to the bar of the T by an area as small as possible but nevertheless sufficient to ensure adequate mechanical strength. According to another embodiment, the pivot does not has no flat. The central leg of the T is constituted by a locking finger 58 substantially arranged along the axis of symmetry of the rocking pusher 5. This locking finger 58 has an elongated parallelepiped or cylindrical shape. It is provided at its part furthest from the upper bar of the T with a hooking means 59 which is a notch delimiting a concave housing.

Les éléments fixes du système de fermeture 6 situés dans le couvercle 1 sont plus particulièrement illustrés sur les figures 4, 6 et 7. Ils définissent sur la bordure avant 1′ du couvercle une lumière 61 dans laquelle passe la barrette 51 faisant saillie sur la bordure avant 1′ du couvercle. Cette lumière est limitée côté supérieur du couvercle par un rebord 62 et latéralement par deux cloisons. Le rebord inférieur est limité par une barre parallélépipédique 63 à chaque extrémité de laquelle se trouve un demi-berceau avant 64, 64′. Selon un autre mode de réalisation le rebord inférieur peut être constitué sur toute sa longueur par le berceau. Ces deux demi-berceaux comportent successivement en partant de la face avant du boîtier un plan parallèle à la surface du couvercle 64a, 64′a, un plan incliné 64b, 64′b et une surface plane 64c, 64′c. L'ensemble formé par le plan incliné 64b, 64′b et le plan 64c, 64′c pourrait être remplacé par une surface concave. Les tourillons 53 et 53′ reposent sur les plans inclinés 64b, 64′b et sur le plan 64c, 64′c.The fixed elements of the closure system 6 located in the cover 1 are more particularly illustrated in FIGS. 4, 6 and 7. They define on the front edge 1 ′ of the cover a light 61 through which the bar 51 projects projecting from the edge front 1 ′ of the cover. This light is limited on the upper side of the cover by a flange 62 and laterally by two partitions. The lower edge is limited by a parallelepiped bar 63 at each end of which there is a front half-cradle 64, 64 ′. According to another embodiment, the lower edge can be formed over its entire length by the cradle. These two half-cradles successively comprise, starting from the front face of the housing, a plane parallel to the surface of the cover 64a, 64′a, an inclined plane 64b, 64′b and a planar surface 64c, 64′c. The assembly formed by the inclined plane 64b, 64′b and the plane 64c, 64′c could be replaced by a concave surface. The pins 53 and 53 ′ rest on the inclined planes 64b, 64′b and on the plane 64c, 64′c.

Dans un plan sensiblement perpendiculaire à la partie supérieure du couvercle 1 sont situées deux languettes 65, 65′ fixées à l'intérieur de la partie supérieure du couvercle 2. Elles sont sensiblement symétriques par rapport au plan médian perpendiculaire au couvercle de la lumière de passage 61. Ces languettes sont de faible épaisseur de façon à avoir une certaine élasticité. Elles s'appuient sur le plan 55 sensiblement parallèle à la jambe centrale du T du poussoir basculant. Une butée arrière 66 est fixée en arrière des languettes 65, 65′. Elle a le même plan médian perpendiculaire à la surface du couvercle que la lumière 61. La butée arrière 66 a selon le mode de réalisation illustré, en section perpendiculaire à la surface supérieure du couvercle 2 une forme de trapèze rectangle, le petit côté étant situé vers le bas (c'est-à-dire côté base du couvercle) et le côté incliné 67 vers l'avant.In a plane substantially perpendicular to the upper part of the cover 1 are located two tongues 65, 65 ′ fixed inside the upper part of the cover 2. They are substantially symmetrical with respect to the median plane perpendicular to the cover of the passage light 61. These tabs are thin so as to have some elasticity. They are supported on the plane 55 substantially parallel to the central leg of the T of the rocking pusher. A rear stop 66 is fixed behind the tabs 65, 65 ′. It has the same median plane perpendicular to the surface of the cover as the light 61. The rear stop 66 has, according to the illustrated embodiment, in section perpendicular to the upper surface of the cover 2 in the form of a rectangular trapezoid, the short side being located downwards (that is to say on the base side of the cover) and the inclined side 67 towards the front.

Derrière les languettes 65, 65′ et la butée arrière 66 se trouve un berceau arrière 68 qui selon le mode de réalisation représenté est constitué par une plaque fixée à la partie intérieure de la surface du couvercle 2. Le berceau 68 est muni d'une échancrure qui selon le mode de réalisation représenté est rectangulaire. Le berceau 68 pourrait selon un autre mode de réalisatiopn être constitué de deux demi-berceaux symétriquement disposés. Les tourillons 53, 53′ viennent s'appuyer sur le berceau arrière 68 ce qui permet de les immobiliser en translation.Behind the tabs 65, 65 ′ and the rear stop 66 is a rear cradle 68 which, according to the embodiment shown, consists of a plate fixed to the inner part of the surface of the cover 2. The cradle 68 is provided with a indentation which according to the embodiment shown is rectangular. The cradle 68 could, according to another embodiment, consist of two symmetrically arranged half-cradles. The pins 53, 53 ′ come to bear on the rear cradle 68 which makes it possible to immobilize them in translation.

Les éléments fixes du dispositif situés dans le bas du boîtier 2 sont plus particulièrement représentés sur la figure 3. Ces éléments forment un évidement 74 délimité par la surface de fond de la base 2 du boîtier, par sa paroi avant 71 et par une cloison partielle 72 située plus en arrière. Cette cloison 72 ménage un espace entre sa partie inférieure et la surface intérieure de la base du boîtier. A la partie inférieure de la cloison 72 se trouve un bourrelet 73 ayant une forme complémentaire de celle de cran d'accrochage 59.The fixed elements of the device located at the bottom of the housing 2 are more particularly shown in FIG. 3. These elements form a recess 74 delimited by the bottom surface of the base 2 of the housing, by its front wall 71 and by a partial partition 72 located further back. This partition 72 provides a space between its lower part and the inner surface of the base of the housing. At the lower part of the partition 72 there is a bead 73 having a shape complementary to that of hooking notch 59.

Pour ouvrir le boîtier on pousse sur la barrette de manoeuvre 51 du poussoir basculant 5. Ce dernier bascule en tournant autour des tourillons 53 et 53′.To open the housing, push on the operating bar 51 of the tilting pusher 5. The latter switches by turning around the pins 53 and 53 ′.

En effet ceux-ci pivotent sur les surfaces inclinées 64b, 64′b et les surfaces planes 64c et 64′c des demi-berceaux avant 64 et 64′ et sur le berceau arrière 68 jusqu'à ce que le plan oblique 54 du poussoir basculant vienne en contact avec le côté incliné avant 67 de la butée arrrière 66. Simultanément les languettes élastiques 65 et 65′ sont repoussées vers l'arrière le doigt de verrouillage 58 se déplace vers l'avant dans l'évidement 74 et le cran d'accrochage 59 se dégage du bourrelet 73. Le doigt de verrouillage peut alors sortir entièrement du logement 74 et l'ouverture du boîtier est complète. Lors de la fermeture du boîtier le verrouillage se fait automatiquement dès que le doigt de verrouillage 58 est dans le logement 74 car les languettes élastiques 65,65′ font ressort et en appuyant sur la surface 55 repoussent le poussoir basculant 5 dans sa position de fermeture.Indeed, these pivot on the inclined surfaces 64b, 64′b and the flat surfaces 64c and 64′c of the front half-cradles 64 and 64 ′ and on the rear cradle 68 until the oblique plane 54 of the pusher tilting comes into contact with the inclined front side 67 of the rear stop 66. Simultaneously the elastic tabs 65 and 65 ′ are pushed backwards the locking finger 58 moves forward in the recess 74 and the notch 'hooking 59 emerges from the bead 73. The locking finger can then come entirely out of the housing 74 and the opening of the housing is complete. When the housing is closed, the locking is done automatically as soon as the locking finger 58 is in the housing 74 because the elastic tabs 65, 65 ′ spring out and, by pressing on the surface 55, push the tilting pusher 5 back into its closed position .

Le montage du système de fermeture est très simple. On introduit le poussoir basculant 5 par la lumière 61. Le méplat 57 ménagé entre les deux tourillons permet le passage du poussoir basculant 5 au niveau de la butée arrière 66. De plus l'échancrure rectangulaire 69 du berceau 68 permet le passage et le basculement du doigt de verrouillage 58 dans l'évidement central 74.The assembly of the closing system is very simple. Introducing the rocking pusher 5 through the light 61. The flat 57 formed between the two pins allows the passage of the rocking pusher 5 at the rear stop 66. In addition the rectangular notch 69 of the cradle 68 allows passage and tilting of the locking finger 58 in the central recess 74.

Le poussoir basculant 5 est selon le mode de réalisation représenté sur les figures annexées une pièce unique qui peut facilement être préparée par tout procédé classique de moulage d'une matière plastique. Les éléments fixes 6 du couvercle et les éléments fixes 7 de la base du boîtier peuvent également facilement être préparés par moulage en même temps que le couvercle du boîtier. Il suffit de prévoir dans les moules des tiroirs de forme convenable.The tilting pusher 5 is, according to the embodiment shown in the appended figures, a single piece which can easily be prepared by any conventional method of molding a plastic material. The fixed elements 6 of the cover and the fixed elements 7 of the base of the case can also easily be prepared by molding at the same time as the cover of the case. It suffices to provide drawers of suitable shape in the molds.

Claims (10)

  1. A case including a base (2) and a lid (1) joined to each other by an articulation (3) provided with a closing device (4) which is situated in a zone remote from the articulation and which includes at least one movable element (5) cooperating with fixed elements (6, 7) located in the lid and the base of the case, the movable element including a manipulating strip (51) projecting from the case in the closed position of the latter, characterized in that:
    - the movable element is a T-shaped tilting push button (5) constituted by a top arm and a central leg, the said top arm including, towards the front of the case, the manipulating strip projecting on the front edge of the lid in the closed position, and at the rear towards the articulation of the case, a pivot pin (53, 53′), the median plane of the manipulating strip being substantially parallel to the axis of the pivot pin but not containing it, the said central leg constituted by a latching prong (58) carrying at its lower end a hooking means (59);
    - the fixed elements (6) of the closing device carried by the lid define on the front edge (1′) of the lid, a window (61) for the passing of the manipulating strip (51) of the tilting push button (5), include a front cradle (64, 64′) which supports the pivot pin (53, 53′) of the tilting push button (5), the said front cradle (64, 64′) being internally carried by the front edge of the lid and moreover, on the one hand, a rear stop (66) whereon the tilting push button (5) comes to bear when the manipulating strip (51) is subjected to a thrust directed towards the inside of the case, on the other hand, at least one resilient tongue (65, 65′) which bears on the tilting push button (5) on the rear side of the manipulating strip (51) so as to push back the said strip (51) towards the front of the case and to keep the pivot pin (53, 53′) bearing on its front cradle (64, 64′) and
    - fixed elements (7) of the closing device situated on the base (2) of the case define a recess (74) located against the front edge of the base (2) of the case, the said recess (74) receiving the latching prong (58) when the case is in the closed position, the side of the recess perpendicular to the base of the case and situated towards the inside of the latter, including a retaining means (73) complementary to the means (59) for hooking the latching prong (58).
  2. A case according to claim 1, characterized in that the fixed elements (6) of the lid preferably include a rear cradle (68) allowing the pivot pin (53, 53′) of the tilting push button (5) to be immobilized against translation, the said pivot pin (53, 53′) being held between the front cradle (64, 64′) and the rear cradle (68) and kept to bear on the front cradle (64, 64′) by the resilient tongue (65, 65′).
  3. A case according to claims 1 or 2, characterized in that the latching prong (58) is a notch (59) defining a concave recess, the retaining means (73) carried by the side of the recess (74) of the base (2) of the case being an enlargement capable of being accommodated in the said concave recess.
  4. A case according to any one of claims 1 to 3, characterized in that the fixed elements (6) of the lid preferably include two resilient tongues (65, 65′) disposed symmetrically relative to the rear stop (66) whereon the tilting push button (5) comes to bear.
  5. A case according to any one of claims 1 to 4, characterized in that the pivot pin of the tilting push button is preferably constituted by two journals (53, 53′) separated by a flat part (57), the front cradle situated in the lid being constituted by two half-cradles (64, 64′) supporting the two journals (53, 53′).
  6. A case according to any one of claims 1 to 5, characterized in that the rear cradle (68) forming part of the fixed elements (6) of the lid is constituted by a plate substantially parallel to the median plane of the window (61) of the front edge (1′) of the lid (1), the said plate including a cut (69) in its lower portion.
  7. A case according to any one of claims 1 to 6, characterized in that the rear stop (66) whereon the tilting push button comes to bear, preferably includes an oblique surface (67) complementary to an oblique bearing surface, the said oblique bearing surface coming into contact with the said oblique surface when the manipulating strip is at the end of its depression path into the case.
  8. A case according to any one of claims 1 to 7, characterized in that the tilting push button (5) preferably includes on the rear side of the manipulating strip and opposite the resilient tongue or tongues, a substantially planar surface (55) whereon the tongue or tongues (65, 65′) bear when the manipulating strip is in the position of closing the case.
  9. A case according to any one of claims 1 to 8, characterized in that the front face of the manipulating strip (51) has a planar, oblique or convex shape which adapts to the front edge (1′) of the lid over which it projects.
  10. A case according to any one of claims 7 to 9, characterized in that the movable element (5) is a single part obtained by the moulding of a plastic material.
EP89400343A 1988-02-24 1989-02-07 Box comprising a receptacle member and a cover pivotally associated with a hinge, and provided with a closure device including at least a movable member co-operating with fixed members of the cover and of the box Expired - Lifetime EP0330537B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT89400343T ATE84948T1 (en) 1988-02-24 1989-02-07 BOX WITH A CONTAINER MEMBER AND A HINGED LID MEMBER, AND WITH A LOCKING DEVICE CONSISTING OF AT LEAST ONE MOVABLE ELEMENT INTERACTING WITH FIXED ELEMENTS OF THE LID AND CONTAINER MEMBER.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8802220A FR2627458B1 (en) 1988-02-24 1988-02-24 ENCLOSURES, COMPRISING A BASE AND A LID CONNECTED TO EACH OTHER BY A JOINT PROVIDED WITH A CLOSURE DEVICE COMPRISING AT LEAST ONE MOBILE ELEMENT COOPERATING WITH FIXED ELEMENTS OF THE LID AND THE HOUSING
FR8802220 1988-02-24

Publications (2)

Publication Number Publication Date
EP0330537A1 EP0330537A1 (en) 1989-08-30
EP0330537B1 true EP0330537B1 (en) 1993-01-27

Family

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EP89400343A Expired - Lifetime EP0330537B1 (en) 1988-02-24 1989-02-07 Box comprising a receptacle member and a cover pivotally associated with a hinge, and provided with a closure device including at least a movable member co-operating with fixed members of the cover and of the box

Country Status (7)

Country Link
US (1) US4901882A (en)
EP (1) EP0330537B1 (en)
JP (1) JPH01254565A (en)
AT (1) ATE84948T1 (en)
DE (1) DE68904574T2 (en)
ES (1) ES2037436T3 (en)
FR (1) FR2627458B1 (en)

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Also Published As

Publication number Publication date
FR2627458B1 (en) 1990-07-20
DE68904574T2 (en) 1993-08-26
FR2627458A1 (en) 1989-08-25
ATE84948T1 (en) 1993-02-15
US4901882A (en) 1990-02-20
JPH01254565A (en) 1989-10-11
DE68904574D1 (en) 1993-03-11
ES2037436T3 (en) 1993-06-16
EP0330537A1 (en) 1989-08-30

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