EP2653637A1 - Adjustable mortise lock with narrow profile - Google Patents

Adjustable mortise lock with narrow profile Download PDF

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Publication number
EP2653637A1
EP2653637A1 EP13162511.3A EP13162511A EP2653637A1 EP 2653637 A1 EP2653637 A1 EP 2653637A1 EP 13162511 A EP13162511 A EP 13162511A EP 2653637 A1 EP2653637 A1 EP 2653637A1
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EP
European Patent Office
Prior art keywords
headrest
trunk
mortise lock
chest
lock 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.)
Granted
Application number
EP13162511.3A
Other languages
German (de)
French (fr)
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EP2653637B1 (en
Inventor
Henri Morel
Patrice Perinet
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.)
Dom Metalux SAS
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Metalux SAS
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Publication date
Application filed by Metalux SAS filed Critical Metalux SAS
Publication of EP2653637A1 publication Critical patent/EP2653637A1/en
Application granted granted Critical
Publication of EP2653637B1 publication Critical patent/EP2653637B1/en
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B63/00—Locks or fastenings with special structural characteristics
    • E05B63/06—Locks or fastenings with special structural characteristics with lengthwise-adjustable bolts ; with adjustable backset, i.e. distance from door edge

Definitions

  • the present invention relates to a mortise lock, or larder, for which the trunk, or the housing, is fully engaged in the thickness of a door leaf through the edge of the leaf.
  • This type of lock is well known and it can hide the lock mechanism.
  • a housing is formed in the thickness of the door leaf through its edge, so as to insert the trunk of the lock, while openings opening into said housing are formed on the sides of the door so as to to be able to engage the operating elements of the lock.
  • a headrest is applied and fixed against the edge so as to close the said housing in particular. The headrest has lights for passing the bolts of the lock, which extend from the chest.
  • a problem that arises and that aims to solve the present invention is to provide a mortise lock that allows to maintain the parallelism between the trunk and the headrest despite the movements of the trunk.
  • the present invention proposes a mortise lock comprising on the one hand a headrest and a chest, and on the other hand adjustable mechanical connecting members installed between said chest and said headrest to be able to drive said chest translationally relative to said headrest in a direction substantially perpendicular to said headrest and to maintain said trunk substantially parallel to said headrest when said trunk is driven in translation.
  • said adjustable mechanical linking members comprise, on the one hand, a pair of translational guiding elements for guiding freely in translation said trunk with respect to said headrest, and on the other hand, a single threaded rod which connects said headrest and said trunk so as to adjust the position of said trunk with respect to said headrest by means of said single threaded shank.
  • a characteristic of the invention resides in the separate implementation of a pair of translational guiding elements which make it possible to keep the chest and the headpiece parallel, whatever their relative position, and only one Threaded rod for adjusting the position of the chest relative to the headrest when it is rotated.
  • the mortise lock object of the invention is easy to implement, since a single threaded rod is actuated in rotation and not two, and moreover, the chest remains parallel to the headrest whatever their relative position. It will be observed that the trunk just careening the lock mechanism supported by a pallet, which extends throughout the trunk and corresponds to its dimensions.
  • the guide elements of said pair of guide elements are mounted spaced from each other in a direction parallel to said headrest, and said single threaded rod is mounted between said guide elements.
  • the forces exerted by the single threaded rod on the housing are distributed in a balanced manner on the guide elements of the pair of guide elements.
  • the single threaded rod is mounted equidistant from the guide elements.
  • each of said translational guiding elements comprises a cylindrical body and a rod slidably mounted within said cylindrical body.
  • the rod preferably of cylindrical symmetry of revolution, and moreover, advantageously smooth, slides inside the cylindrical body.
  • said rod is preferably mounted on said headrest, while said cylindrical body is installed on said trunk. It is indeed easier to fix the rod on the headrest, for example by welding, and to install the cylindrical body on the trunk.
  • each of said translational guiding elements further comprises a spring mounted to compress between said headrest and said trunk.
  • the mortise lock further comprises an intermediate plate secured to said headrest, said intermediate plate having a portion slidably mounted in said trunk. In this way, the translation guide of the trunk relative to the headrest is further improved during its movements.
  • the single threaded rod has a head linked in translation to said headrest, while said chest has a threaded body adapted to receive said threaded rod.
  • the head of the single threaded rod is trapped in the headrest, and when it is rotated, the threaded body which is secured to the trunk is itself driven in translation and hence the trunk also.
  • the mortise lock advantageously comprises a latch bolt mounted in said trunk, while said headrest has a first lumen allowing the passage of said latch bolt, and said latch bolt has first latch adjustment means. the position of said latch bolt relative to said trunk. In this way, after the relative position of the chest and headrest has been adjusted, one proceeds then to the adjustment of the axial position of the latch latch.
  • the latch bolt must indeed extend, at rest, protruding from the headrest so as to be able to penetrate a strike.
  • the mortise lock preferably comprises a locking bolt mounted in said trunk, while said headrest has a second lumen allowing passage of said latch bolt.
  • Said locking bolt has second means for adjusting the position of said locking bolt with respect to said box, so as to be able to adjust the position of the locking bolt axially after the position of the box has been adjusted.
  • said locking bolt is coupled to up and down locking rods for actuating respectively high and low locking bolts.
  • the lock has three locking points.
  • the Figure 1 illustrates a mortise lock 19 according to the invention comprising a headrest 10 seen three quarters front and having a front face 11 and an opposite rear face 17, and back, essential elements of a chest 12.
  • the headrest 10 is intended to be fixed on the edge of a door leaf not shown, while the essential elements of the trunk 12 are housed inside a housing made in the thickness of the door leaf.
  • a palatre 14, or support on which are installed the elements of the lock mechanism and which is intended to extend throughout the chest which it is secured. It extends longitudinally between an upper end 13 and an opposite lower end 15.
  • a follower 16 provided with a finger 18 cooperating with a first bolt tail 20, which is extended by a latch bolt 22.
  • the first bolt tail 20 extends in the extension of the latch bolt 22 and in a transverse direction, at the upper end 13 of the pallet 14.
  • the spoke 14 has an oblong orifice 24 adapted to be traversed by a lock cylinder, not shown, of the European cylinder type for example, and a locking bolt 26 intended to cooperate with the lock cylinder by the intermediate of a second bolt tail 27.
  • Each of the upper 13 and lower 15 ends of the pallet 14 is equipped with a cylindrical body 28 extended transversely and of which it is integral.
  • These cylindrical bodies 28 consist of a longitudinal portion of square steel mounted transversely on the tongue 14, and inside which is formed an axial bore 30.
  • a transversely extended cylindrical threaded body 32 having an axial thread 34.
  • An adjusting screw 36 having a head 38 is intended to be screwed inside the axial thread 34. Also, the adjusting screw 36 passes through the lock box.
  • the adjusting screw 36 is engaged through a return 40 of an intermediate plate 42, which has a rear portion 44 slidably mounted against the spoke 14.
  • the return 14 of the intermediate plate 42 then comes to rest against the rear face 17 of the headrest 10 in imprisonment the head 38 of the screw 36, facing an orifice 46 formed in the headrest 10.
  • This orifice 46 has a diameter smaller than the diameter of the screw head 38, but which nevertheless allows the passage an Allen key, for example, or a screwdriver.
  • the screw head 38 and thus the screw 36 remain free in rotation.
  • the headrest 10 is provided on its rear face 17 with two smooth cylindrical rods 48 welded, which extend substantially projecting perpendicularly to the rear face and which are respectively able to slide freely inside the two axial bores 30 of the cylindrical bodies 28 installed in the ends, upper 13 and lower 15 of the pallet 14, through the not shown chest.
  • two helical springs 50 are respectively engaged around the two smooth cylindrical rods 48.
  • the headrest 10 has a first oblong slot 52 in which the latch bolt 22 is adapted to be engaged, and a second oblong slot 54 through which the locking bolt 26 engages.
  • the helical springs 50 are in compression and exert respectively identical efforts to separate the ends, upper 13 and lower 15 of the spoke 14, the headrest 10.
  • the single adjusting screw 36 is rotated , for example in the direction of clockwise, seen from the front face 11 of the headrest 10, the pallet 14 and its chest, are driven in translation towards the headrest 10 while remaining parallel to the latter.
  • This adjustment makes it possible, in particular, to adjust the position of the follower 16 relative to the passage orifices of the operating members of the lock, while the headrest 10 is installed in a fixed position against the edge of the door leaf.
  • the bolts 22, 26 and bolt shanks 20, 27 respectively have axial adjustment means allowing the axial adjustment of their relative position.
  • the bolts 22, 26 and bolt shanks 20, 27 are respectively moved away from one another when the paddle 14 is spaced from the headrest 10, so that the bolts 22, 26 project sufficiently far from the headrest 10 through their respective oblong slots 52, 54 to close and lock the door leaf.
  • the figure 2 illustrates a mortise lock 19 'type "three points". It comprises a long headrest 10 'intended to extend longitudinally in the edge of a door leaf, and in addition to the lock mechanism installed on a paddle 14', it has a top locking bolt 60 and a low locking bolt 62 opposed each other. These high and low locking bolts are respectively connected to the box containing the paddle 14 'by means of a high actuating rod 64 and a low actuating rod 66. The two actuating rods are mounted to sliding back of the headrest 10 '. Insulating plates are installed between the headrest 10 'and the actuating rods to avoid thermal bridges.
  • the headrest 10 'and the palâtre 14' also includes, on the one hand the adjusting screw 36 'engaged in a threaded cylindrical body 32' and whose head 38 'is engaged between the return 40' of the intermediate plate 42 'and the rear face 17' of the headrest 10 ', and on the other hand the two smooth cylindrical rods 48' respectively slidably mounted in two cylindrical bodies 28 '.
  • Helical coil springs (not shown) are provided around the smooth cylindrical rods 48 '. In this way, as in the first mode of implementation, the actuation of the single adjustment screw 36 'makes it possible to drive the spoke 14' in translation while keeping it substantially parallel to the headrest 10 '.
  • the lock comprises a transmission plate 68 for simultaneously controlling the high 64 and low 66 actuating rods.

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  • Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Chair Legs, Seat Parts, And Backrests (AREA)
  • Seats For Vehicles (AREA)

Abstract

The lock has a head-piece (10), a boot (14) and a mechanical element, which is installed with adjustable connection between a casing and the head-piece. The mechanical element comprises adjustable connection on a pair of guide elements (28, 48) in translation for freely guiding a container with respect to the head-piece. The mechanical element is provided with a single threaded rod (36) that connects the head-piece and the boot so as to adjust the position of the boot with respect to the headrest by the single threaded rod.

Description

La présente invention se rapporte à une serrure à mortaiser, ou à larder, pour laquelle le coffre, ou le boîtier, est entièrement engagé dans l'épaisseur d'un battant de porte à travers le chant du battant.The present invention relates to a mortise lock, or larder, for which the trunk, or the housing, is fully engaged in the thickness of a door leaf through the edge of the leaf.

Ce type de serrure est bien connu et il permet de masquer le mécanisme de serrure. Pour ce faire, un logement est ménagé dans l'épaisseur du battant de porte à travers son chant, de manière à pouvoir insérer le coffre de la serrure, tandis que des orifices débouchant dans ledit logement sont ménagés sur les faces du battant de manière à pouvoir y engager les organes de manoeuvre de la serrure. En outre, une têtière est appliquée et fixée contre le chant de manière à refermer ledit logement notamment. La têtière présente des lumières de passage des pênes de la serrure, lesquels s'étendent à partir du coffre.This type of lock is well known and it can hide the lock mechanism. To do this, a housing is formed in the thickness of the door leaf through its edge, so as to insert the trunk of the lock, while openings opening into said housing are formed on the sides of the door so as to to be able to engage the operating elements of the lock. In addition, a headrest is applied and fixed against the edge so as to close the said housing in particular. The headrest has lights for passing the bolts of the lock, which extend from the chest.

Pour chaque type de porte, en fonction des possibilités de réalisation du logement apte à recevoir le boîtier, il convient de prévoir un type de serrure. En outre, lorsqu'une serrure installée doit être remplacée, il est nécessaire de retrouver le même type de serrure, notamment pour ajuster la position du boîtier par rapport aux orifices précités ménagés dans le battant de porte.For each type of door, depending on the possibilities of realization of the housing adapted to receive the housing, it is necessary to provide a type of lock. In addition, when an installed lock must be replaced, it is necessary to find the same type of lock, in particular to adjust the position of the housing relative to the aforementioned orifices formed in the door leaf.

Aussi, il a été imaginé de pouvoir régler la position du boîtier dans son logement par rapport à la têtière qui elle, demeure en applique contre le champ du battant. On pourra se référer notamment au document DE338464 , lequel décrit une paire de vis installée entre ledit coffre et ladite têtière pour pouvoir entraîner ledit coffre en translation par rapport à ladite têtière selon une direction sensiblement perpendiculaire à ladite têtière et pour maintenir ledit coffre sensiblement parallèlement à celle-ci. Les vis sont espacées l'une de l'autre et leur tête est prisonnière de la têtière. Les tiges des vis rejoignent respectivement les coins du boîtier et sont engagées dans un taraudage. De la sorte, lorsque les vis sont entraînées simultanément en rotation par l'intermédiaire de leur tête, la position du coffre est ajustée par rapport à la têtière, et partant, les orifices par lesquels on engage les organes de manoeuvre.Also, it has been imagined to be able to adjust the position of the housing in its housing relative to the headrest which it remains applied against the field of the wing. We can refer in particular to the document DE338464 , which describes a pair of screws installed between said chest and said headrest to be able to drive said chest in translation relative to said headrest in a direction substantially perpendicular to said headrest and to maintain said chest substantially parallel thereto. The screws are spaced from each other and their heads are trapped in the headrest. The rods of the screws respectively join the corners of the housing and are engaged in a tapping. In this way, when the screws are driven simultaneously in rotation through their head, the position of the chest is adjusted relative to the headrest, and hence the orifices by which the operating members are engaged.

Il est toutefois malaisé de contrôler le parallélisme du coffre et de la têtière lors de cet ajustement. Or, cela est essentiel pour que les pênes traversent la têtière selon une direction perpendiculaire.It is however difficult to control the parallelism of the trunk and the headrest during this adjustment. However, this is essential for the bolts to cross the headrest in a perpendicular direction.

Aussi, un problème qui se pose et que vise à résoudre la présente invention est de fournir une serrure à mortaiser qui permette de conserver le parallélisme entre le coffre et la têtière malgré les mouvements du coffre.Also, a problem that arises and that aims to solve the present invention is to provide a mortise lock that allows to maintain the parallelism between the trunk and the headrest despite the movements of the trunk.

Dans ce but, la présente invention propose une serrure à mortaiser comprenant d'une part une têtière et un coffre, et d'autre part des organes mécaniques de liaison réglables installés entre ledit coffre et ladite têtière pour pouvoir entraîner ledit coffre en translation par rapport à ladite têtière selon une direction sensiblement perpendiculaire à ladite têtière et pour maintenir ledit coffre sensiblement parallèlement à ladite têtière lorsque ledit coffre est entraîné en translation. Selon l'invention, lesdits organes mécaniques de liaison réglables comprennent, d'une part une paire d'éléments de guidage en translation pour guider librement en translation ledit coffre par rapport à ladite têtière, et d'autre part, une seule tige filetée qui relie ladite têtière et ledit coffre de manière à pouvoir régler la position dudit coffre par rapport à ladite têtière au moyen de ladite seule tige filetée.For this purpose, the present invention proposes a mortise lock comprising on the one hand a headrest and a chest, and on the other hand adjustable mechanical connecting members installed between said chest and said headrest to be able to drive said chest translationally relative to said headrest in a direction substantially perpendicular to said headrest and to maintain said trunk substantially parallel to said headrest when said trunk is driven in translation. According to the invention, said adjustable mechanical linking members comprise, on the one hand, a pair of translational guiding elements for guiding freely in translation said trunk with respect to said headrest, and on the other hand, a single threaded rod which connects said headrest and said trunk so as to adjust the position of said trunk with respect to said headrest by means of said single threaded shank.

Ainsi, une caractéristique de l'invention réside dans la mise en oeuvre de manière séparée, d'une paire d'éléments de guidage en translation qui permette de maintenir le coffre et la têtière parallèles, quelle que soit leur position relative, et une seule tige filetée permettant de régler la position du coffre par rapport à la têtière lorsqu'elle est entraînée en rotation. De la sorte, non seulement la serrure à mortaiser objet de l'invention est aisée à mettre en oeuvre, puisqu'une seule tige filetée est actionnée en rotation et non pas deux, et au surplus, le coffre demeure parallèle à la têtière quelle que soit leur position relative. On observera que le coffre vient caréner le mécanisme de serrure supportée par un palâtre, lequel s'étend dans tout le coffre et correspond à ses dimensions.Thus, a characteristic of the invention resides in the separate implementation of a pair of translational guiding elements which make it possible to keep the chest and the headpiece parallel, whatever their relative position, and only one Threaded rod for adjusting the position of the chest relative to the headrest when it is rotated. In this way, not only the mortise lock object of the invention is easy to implement, since a single threaded rod is actuated in rotation and not two, and moreover, the chest remains parallel to the headrest whatever their relative position. It will be observed that the trunk just careening the lock mechanism supported by a pallet, which extends throughout the trunk and corresponds to its dimensions.

Selon un mode de mise en oeuvre de l'invention particulièrement avantageux, les éléments de guidage de ladite paire d'éléments de guidage sont montés espacés l'un de l'autre selon une direction parallèle à ladite têtière, et ladite seule tige filetée est montée entre lesdits éléments de guidage. De la sorte, les efforts exercés par la seule tige filetée sur le boîtier sont distribués de façon équilibrée sur les éléments de guidage de la paire d'éléments de guidage. Préférentiellement, la seule tige filetée est montée à équidistance des éléments de guidage.According to a particularly advantageous embodiment of the invention, the guide elements of said pair of guide elements are mounted spaced from each other in a direction parallel to said headrest, and said single threaded rod is mounted between said guide elements. Of the thus, the forces exerted by the single threaded rod on the housing are distributed in a balanced manner on the guide elements of the pair of guide elements. Preferably, the single threaded rod is mounted equidistant from the guide elements.

En outre, chacun desdits éléments de guidage en translation comporte un corps cylindrique et une tige montée à coulissement à l'intérieur dudit corps cylindrique. Ainsi, la tige, préférentiellement de symétrie cylindrique de révolution, et de surcroît, avantageusement lisse, vient coulisser à l'intérieur du corps cylindrique. De plus, ladite tige est de préférence montée sur ladite têtière, tandis que ledit corps cylindrique est installé sur ledit coffre. Il est en effet plus aisé de venir fixer la tige sur la têtière, par exemple par soudage, et d'installer le corps cylindrique sur le coffre.In addition, each of said translational guiding elements comprises a cylindrical body and a rod slidably mounted within said cylindrical body. Thus, the rod, preferably of cylindrical symmetry of revolution, and moreover, advantageously smooth, slides inside the cylindrical body. In addition, said rod is preferably mounted on said headrest, while said cylindrical body is installed on said trunk. It is indeed easier to fix the rod on the headrest, for example by welding, and to install the cylindrical body on the trunk.

Selon un mode de réalisation particulier de l'invention, chacun desdits éléments de guidage en translation comporte en outre un ressort monté à compression entre ladite têtière et ledit coffre. De la sorte, des efforts constants s'exercent entre la têtière et le coffre au niveau des éléments de guidage en translation et partant, les risques de coincement des éléments de guidage durant le mouvement du coffre sont très faibles.According to a particular embodiment of the invention, each of said translational guiding elements further comprises a spring mounted to compress between said headrest and said trunk. In this way, constant efforts are exerted between the headrest and the trunk at the guide members in translation and therefore the risk of jamming of the guide elements during the movement of the trunk are very small.

Au surplus, et de façon avantageuse, la serrure à mortaiser comprend en outre une platine intermédiaire solidaire de ladite têtière, ladite platine intermédiaire présentant une partie montée à coulissement dans ledit coffre. De la sorte, le guidage en translation du coffre par rapport à la têtière est plus encore amélioré durant ses mouvements.In addition, and advantageously, the mortise lock further comprises an intermediate plate secured to said headrest, said intermediate plate having a portion slidably mounted in said trunk. In this way, the translation guide of the trunk relative to the headrest is further improved during its movements.

La seule tige filetée présente une tête liée en translation à ladite têtière, tandis que ledit coffre présente un corps taraudé apte à recevoir ladite tige filetée. Ainsi, la tête de la seule tige filetée est prisonnière de la têtière, et lorsqu'elle est entraînée en rotation, le corps taraudé qui est solidaire du coffre est lui-même entraîné en translation et partant, le coffre également.The single threaded rod has a head linked in translation to said headrest, while said chest has a threaded body adapted to receive said threaded rod. Thus, the head of the single threaded rod is trapped in the headrest, and when it is rotated, the threaded body which is secured to the trunk is itself driven in translation and hence the trunk also.

En outre, la serrure à mortaiser comprend avantageusement, un pêne demi-tour monté dans ledit coffre, tandis que ladite têtière présente une première lumière permettant le passage dudit pêne demi-tour, et ledit pêne demi-tour présente des premiers moyens de réglage de la position dudit pêne demi-tour par rapport audit coffre. De la sorte, après que la position relative du coffre et de la têtière a été réglée, on procède ensuite au réglage de la position axiale du pêne demi-tour. Le pêne demi-tour doit en effet s'étendre, au repos, en saillie de la têtière de manière à pouvoir venir pénétrer dans une gâche.In addition, the mortise lock advantageously comprises a latch bolt mounted in said trunk, while said headrest has a first lumen allowing the passage of said latch bolt, and said latch bolt has first latch adjustment means. the position of said latch bolt relative to said trunk. In this way, after the relative position of the chest and headrest has been adjusted, one proceeds then to the adjustment of the axial position of the latch latch. The latch bolt must indeed extend, at rest, protruding from the headrest so as to be able to penetrate a strike.

La serrure à mortaiser comprend de préférence un pêne de verrouillage monté dans ledit coffre, tandis que ladite têtière présente une seconde lumière permettant le passage dudit pêne de verrouillage. Ledit pêne de verrouillage présente des seconds moyens de réglage de la position dudit pêne de verrouillage par rapport audit coffre, de manière à pouvoir régler axialement la position du pêne de verrouillage après que la position du coffre a été réglée.The mortise lock preferably comprises a locking bolt mounted in said trunk, while said headrest has a second lumen allowing passage of said latch bolt. Said locking bolt has second means for adjusting the position of said locking bolt with respect to said box, so as to be able to adjust the position of the locking bolt axially after the position of the box has been adjusted.

Par ailleurs, selon un autre mode de mise en oeuvre de l'invention particulièrement avantageux, ledit pêne de verrouillage est couplé à des tringles de verrouillage haut et bas permettant d'actionner respectivement des pênes de verrouillage haut et bas. Ainsi, la serrure comporte trois points de verrouillage.Furthermore, according to another embodiment of the invention particularly advantageous, said locking bolt is coupled to up and down locking rods for actuating respectively high and low locking bolts. Thus, the lock has three locking points.

D'autres particularités et avantages de l'invention ressortiront à la lecture de la description faite ci-après de modes de réalisation particuliers de l'invention, donnés à titre indicatif mais non limitatif, en référence aux dessins annexés sur lesquels :

  • la Figure 1 est une vue schématique partielle en perspective d'une serrure à mortaiser conforme à l'invention et selon un premier mode de mise en oeuvre ;
  • la Figure 2 et une vue schématique de côté d'une serrure à mortaiser selon un second mode de mise en oeuvre ; et,
  • la Figure 3 et une vue schématique en perspective d'un élément essentiel de la serrure à mortaiser représenter sur la figure 2.
Other features and advantages of the invention will become apparent on reading the following description of particular embodiments of the invention, given by way of indication but not limitation, with reference to the accompanying drawings in which:
  • the Figure 1 is a partial schematic perspective view of a mortise lock according to the invention and according to a first embodiment;
  • the Figure 2 and a schematic side view of a mortise lock according to a second embodiment; and,
  • the Figure 3 and a schematic perspective view of an essential element of the mortise lock represent on the figure 2 .

La Figure 1 illustre une serrure à mortaiser 19 conforme à l'invention comprenant, une têtière 10 vue de trois quarts avant et présentant une face avant 11 et une face arrière opposée 17, et en arrière, des éléments essentiels d'un coffre 12. La têtière 10 est destinée à venir se fixer sur le chant d'un battant de porte non représenté, tandis que les éléments essentiels du coffre 12 viennent se loger à l'intérieur d'un logement pratiqué dans l'épaisseur du battant de porte.The Figure 1 illustrates a mortise lock 19 according to the invention comprising a headrest 10 seen three quarters front and having a front face 11 and an opposite rear face 17, and back, essential elements of a chest 12. The headrest 10 is intended to be fixed on the edge of a door leaf not shown, while the essential elements of the trunk 12 are housed inside a housing made in the thickness of the door leaf.

Sont ici représentés, un palâtre 14, ou support, sur lequel sont installés les éléments du mécanisme de serrure et qui est destiné à venir s'étendre dans tout le coffre dont il est solidaire. Il s'étend longitudinalement entre une extrémité supérieure 13 et une extrémité inférieure 15 opposée. On y retrouve un fouillot 16 muni d'un doigt 18 coopérant avec une première queue de pêne 20, laquelle se prolonge par un pêne demi-tour 22. La première queue de pêne 20 s'étend dans le prolongement du pêne demi-tour 22 et selon une direction transversale, à l'extrémité supérieure 13 du palâtre 14.Are represented here, a palatre 14, or support, on which are installed the elements of the lock mechanism and which is intended to extend throughout the chest which it is secured. It extends longitudinally between an upper end 13 and an opposite lower end 15. There is a follower 16 provided with a finger 18 cooperating with a first bolt tail 20, which is extended by a latch bolt 22. The first bolt tail 20 extends in the extension of the latch bolt 22 and in a transverse direction, at the upper end 13 of the pallet 14.

A l'extrémité inférieure 15, le palâtre 14 présente un orifice oblong 24 apte à être traversé par un cylindre de serrure non représenté du type cylindre européen par exemple, et un pêne de verrouillage 26 destiné à coopérer avec le cylindre de serrure par l'intermédiaire d'une seconde queue de pêne 27.At the lower end 15, the spoke 14 has an oblong orifice 24 adapted to be traversed by a lock cylinder, not shown, of the European cylinder type for example, and a locking bolt 26 intended to cooperate with the lock cylinder by the intermediate of a second bolt tail 27.

Chacune des extrémités, supérieure 13 et inférieure 15 du palâtre 14, est équipée d'un corps cylindrique 28 étendu transversalement et dont il est solidaire. Ces corps cylindriques 28 sont constitués d'une portion longitudinale d'acier carré montée transversalement sur le palâtre 14, et à l'intérieur de laquelle est ménagé un alésage axial 30. En outre, et sensiblement à équidistance des corps cylindriques 28, est monté sur le palâtre 14 un corps cylindrique taraudé 32 étendu transversalement et présentant un taraudage axial 34. Une vis de réglage 36 présentant une tête 38 est destinée à être vissée à l'intérieur du taraudage axial 34. Aussi, la vis de réglage 36 traverse le coffre de la serrure.Each of the upper 13 and lower 15 ends of the pallet 14 is equipped with a cylindrical body 28 extended transversely and of which it is integral. These cylindrical bodies 28 consist of a longitudinal portion of square steel mounted transversely on the tongue 14, and inside which is formed an axial bore 30. In addition, and substantially equidistant from the cylindrical bodies 28, is mounted on the pallet 14 a transversely extended cylindrical threaded body 32 having an axial thread 34. An adjusting screw 36 having a head 38 is intended to be screwed inside the axial thread 34. Also, the adjusting screw 36 passes through the lock box.

La vis de réglage 36 est engagée à travers un retour 40 d'une platine intermédiaire 42, laquelle présente une partie arrière 44 montée à coulissement contre le palâtre 14. Le retour 14 de la platine intermédiaire 42 vient alors s'appliquer contre la face arrière 17 de la têtière 10 en emprisonnement la tête 38 de la vis 36, en regard d'un orifice 46 pratiqué dans la têtière 10. Cet orifice 46 présente un diamètre inférieur au diamètre de la tête de vis 38, mais qui autorise néanmoins le passage d'une clé Allen, par exemple, ou bien d'un tournevis. En outre, la tête de vis 38 et partant, la vis 36, demeurent libres en rotation.The adjusting screw 36 is engaged through a return 40 of an intermediate plate 42, which has a rear portion 44 slidably mounted against the spoke 14. The return 14 of the intermediate plate 42 then comes to rest against the rear face 17 of the headrest 10 in imprisonment the head 38 of the screw 36, facing an orifice 46 formed in the headrest 10. This orifice 46 has a diameter smaller than the diameter of the screw head 38, but which nevertheless allows the passage an Allen key, for example, or a screwdriver. In addition, the screw head 38 and thus the screw 36 remain free in rotation.

Par ailleurs, la têtière 10 est munie, sur sa face arrière 17, de deux tiges cylindriques lisses 48 soudées, qui s'étendent en saillie sensiblement perpendiculairement à la face arrière et qui sont respectivement aptes à venir coulisser librement à l'intérieur des deux alésages axiaux 30 des corps cylindriques 28 installés dans les extrémités, supérieure 13 et inférieure 15, du palâtre 14, en traversant le coffre non représenté. De plus, deux ressorts hélicoïdaux 50 sont respectivement engagés autour des deux tiges cylindriques lisses 48.Furthermore, the headrest 10 is provided on its rear face 17 with two smooth cylindrical rods 48 welded, which extend substantially projecting perpendicularly to the rear face and which are respectively able to slide freely inside the two axial bores 30 of the cylindrical bodies 28 installed in the ends, upper 13 and lower 15 of the pallet 14, through the not shown chest. In addition, two helical springs 50 are respectively engaged around the two smooth cylindrical rods 48.

Au surplus, la têtière 10 présente une première lumière oblongue 52 dans laquelle le pêne demi-tour 22 est apte à être engagé, et une seconde lumière oblongue 54 à travers laquelle vient s'engager le pêne de verrouillage 26.In addition, the headrest 10 has a first oblong slot 52 in which the latch bolt 22 is adapted to be engaged, and a second oblong slot 54 through which the locking bolt 26 engages.

De la sorte, lorsque le palâtre 14 est dans une position rapprochée de la têtière 10, et que la vis de réglage 36 est en prise dans le taraudage 34, tandis que les tiges cylindriques lisses 48 sont respectivement engagées dans les alésages axiaux 30, le palâtre 14 et le coffre non représenté, dans lequel il est logé, s'étendent parallèlement à la têtière 10.In this way, when the paddle 14 is in a position close to the headrest 10, and the adjusting screw 36 is engaged in the tapping 34, while the smooth cylindrical rods 48 are respectively engaged in the axial bores 30, the palatre 14 and the chest not shown, in which it is housed, extend parallel to the headrest 10.

Au surplus, les ressorts hélicoïdaux 50 sont en compression et ils exercent respectivement des efforts identiques visant à écarter les extrémités, supérieure 13 et inférieure 15 du palâtre 14, de la têtière 10. Ainsi, lorsque la seule vis de réglage 36 est entraînée en rotation, par exemple dans le sens des aiguilles d'une montre, vue de la face avant 11 de la têtière 10, le palâtre 14 et son coffre, sont entraînés en translation vers la têtière 10 tout en demeurant parallèles à cette dernière. Ce réglage permet notamment, d'ajuster la position du fouillot 16 par rapport aux orifices de passage des organes de manoeuvre de la serrure, alors que la têtière 10 est installée en position fixe contre le chant du battant de porte.In addition, the helical springs 50 are in compression and exert respectively identical efforts to separate the ends, upper 13 and lower 15 of the spoke 14, the headrest 10. Thus, when the single adjusting screw 36 is rotated , for example in the direction of clockwise, seen from the front face 11 of the headrest 10, the pallet 14 and its chest, are driven in translation towards the headrest 10 while remaining parallel to the latter. This adjustment makes it possible, in particular, to adjust the position of the follower 16 relative to the passage orifices of the operating members of the lock, while the headrest 10 is installed in a fixed position against the edge of the door leaf.

On observera que les pênes 22, 26 et queues de pênes 20, 27 présentent respectivement des moyens de réglage axiaux permettant le réglage axial de leur position relative. Ainsi, on vient par exemple éloigner les pênes 22, 26 et queues de pêne 20, 27, respectivement les uns des autres lorsque le palâtre 14 est écarté de la têtière 10, de façon que les pênes 22, 26 viennent suffisamment en saillie de la têtière 10 à travers leurs lumières oblongues respectives 52, 54 pour assurer la fermeture et le verrouillage du battant de porte.It will be observed that the bolts 22, 26 and bolt shanks 20, 27 respectively have axial adjustment means allowing the axial adjustment of their relative position. Thus, for example, the bolts 22, 26 and bolt shanks 20, 27 are respectively moved away from one another when the paddle 14 is spaced from the headrest 10, so that the bolts 22, 26 project sufficiently far from the headrest 10 through their respective oblong slots 52, 54 to close and lock the door leaf.

On se reportera maintenant sur les figures 2 et 3 illustrant une serrure à mortaiser conforme à l'invention selon un autre mode de mise en oeuvre. Les éléments analogues à la serrure selon le premier mode de mise en oeuvre, portent une référence identique affectée d'un signe prime « ' ».We will now refer to Figures 2 and 3 illustrating a mortise lock according to the invention according to another embodiment. The elements similar to the lock according to the first embodiment, bear an identical reference assigned a prime sign "'".

La figure 2 illustre une serrure à mortaiser 19' de type « trois points ». Elle comporte une têtière longue 10' destinée à s'étendre longitudinalement dans le chant d'un battant de porte, et outre le mécanisme de serrure installé sur un palâtre 14', elle présente un pêne de verrouillage haut 60 et un pêne de verrouillage bas 62 opposés l'un de l'autre. Ces pênes de verrouillage haut et bas sont respectivement reliés au coffre contenant le palâtre 14' par l'intermédiaire d'une tringle d'actionnement haute 64 et d'une tringle d'actionnement basse 66. Les deux tringles d'actionnement sont montées à coulissement en arrière de la têtière 10'. Des platines isolantes sont installées entre la têtière 10' et les tringles d'actionnement pour éviter les ponts thermiques.The figure 2 illustrates a mortise lock 19 'type "three points". It comprises a long headrest 10 'intended to extend longitudinally in the edge of a door leaf, and in addition to the lock mechanism installed on a paddle 14', it has a top locking bolt 60 and a low locking bolt 62 opposed each other. These high and low locking bolts are respectively connected to the box containing the paddle 14 'by means of a high actuating rod 64 and a low actuating rod 66. The two actuating rods are mounted to sliding back of the headrest 10 '. Insulating plates are installed between the headrest 10 'and the actuating rods to avoid thermal bridges.

On retrouve ainsi sur la figure 3 plus en détail, la têtière 10' et le palâtre 14'. On y retrouve également, d'une part la vis de réglage 36' engagée dans un corps cylindrique taraudé 32' et dont la tête 38' est en prise entre le retour 40' de la platine intermédiaire 42' et la face arrière 17' de la têtière 10', et d'autre part les deux tiges cylindriques lisses 48' montées respectivement à coulissement dans deux corps cylindriques 28'. Des ressorts hélicoïdaux non représentés sont prévus autour des tiges cylindriques lisses 48'. De la sorte, tout comme dans le premier mode de mise en oeuvre, l'actionnement de la seule vis de réglage 36' permet d'entraîner en translation le palâtre 14' tout en le maintenant sensiblement parallèle à la têtière 10'.We thus find on the figure 3 in more detail, the headrest 10 'and the palâtre 14'. It also includes, on the one hand the adjusting screw 36 'engaged in a threaded cylindrical body 32' and whose head 38 'is engaged between the return 40' of the intermediate plate 42 'and the rear face 17' of the headrest 10 ', and on the other hand the two smooth cylindrical rods 48' respectively slidably mounted in two cylindrical bodies 28 '. Helical coil springs (not shown) are provided around the smooth cylindrical rods 48 '. In this way, as in the first mode of implementation, the actuation of the single adjustment screw 36 'makes it possible to drive the spoke 14' in translation while keeping it substantially parallel to the headrest 10 '.

En outre, la serrure comporte une plaque de transmission 68 permettant de commander simultanément les tringles d'actionnement haute 64 et basse 66.In addition, the lock comprises a transmission plate 68 for simultaneously controlling the high 64 and low 66 actuating rods.

Claims (10)

Serrure à mortaiser comprenant d'une part une têtière (10) et un coffre (14), et d'autre part des organes mécaniques de liaison réglables installés entre ledit coffre et ladite têtière (10) pour pouvoir entraîner ledit coffre en translation par rapport à ladite têtière selon une direction sensiblement perpendiculaire à ladite têtière et pour maintenir ledit coffre (14) sensiblement parallèlement à ladite têtière lorsque ledit coffre est entraîné en translation ;
caractérisée en ce que lesdits organes mécaniques de liaison réglables comprennent, d'une part une paire d'éléments de guidage en translation (28, 48) pour guider librement en translation ledit coffre par rapport à ladite têtière (10), et d'autre part, une seule tige filetée (36) qui relie ladite têtière (10) et ledit coffre (14) de manière à pouvoir régler la position dudit coffre (14) par rapport à ladite têtière (10) au moyen de ladite seule tige filetée (36).Mortise lock comprising on the one hand a headrest (10) and a chest (14), and on the other hand adjustable mechanical connecting members installed between said chest and said headrest (10) to be able to drive said chest in translation relative said headrest in a direction substantially perpendicular to said headrest and for maintaining said trunk (14) substantially parallel to said headrest when said trunk is driven in translation;
characterized in that said adjustable connection mechanical means comprise firstly a pair of guiding in translation elements (28, 48) for freely guiding in translation said casing relative to said headrest (10) and on the other on the one hand, a single threaded rod (36) which connects said headrest (10) and said chest (14) so as to be able to adjust the position of said chest (14) with respect to said headrest (10) by means of said single threaded rod ( 36). Serrure à mortaiser selon la revendication 1, caractérisée en ce que les éléments de guidage (28, 38) de ladite paire d'éléments de guidage sont montés espacés l'un de l'autre selon une direction parallèle à ladite têtière (10), et en ce que ladite seule tige filetée (36) est montée entre lesdits éléments de guidage.Mortise lock according to claim 1, characterized in that the guide elements (28, 38) of said pair of guide elements are mounted spaced apart from each other in a direction parallel to said headrest (10), and in that said single threaded rod (36) is mounted between said guide members. Serrure à mortaiser selon la revendication 1 ou 2, caractérisée en ce que chacun desdits éléments de guidage en translation (28, 48) comporte un corps cylindrique (28) et une tige (48) montée à coulissement à l'intérieur dudit corps cylindrique (28).Mortise lock according to claim 1 or 2, characterized in that each of said translational guiding elements (28, 48) comprises a cylindrical body (28) and a rod (48) slidably mounted inside said cylindrical body ( 28). Serrure à mortaiser selon la revendication 3, caractérisée en ce que ladite tige (48) est montée sur ladite têtière (10), tandis que ledit corps cylindrique (28) est installé sur ledit coffre (14).Mortise lock according to claim 3, characterized in that said rod (48) is mounted on said headrest (10), while said cylindrical body (28) is installed on said chest (14). Serrure à mortaiser selon l'une quelconque des revendications 1 à 4, caractérisée en ce que chacun desdits éléments de guidage en translation (28, 48) comporte en outre un ressort (50) monté à compression entre ladite têtière (10) et ledit coffre (14).Mortise lock according to any one of claims 1 to 4, characterized in that each of said translational guiding elements (28, 48) further comprises a spring (50) mounted to compress between said headrest (10) and said trunk (14). Serrure à mortaiser selon l'une quelconque des revendications 1 à 5, caractérisée en ce qu'elle comprend en outre une platine intermédiaire (42) solidaire de ladite têtière (10), ladite platine intermédiaire présentant une partie (44) montée à coulissement dans ledit coffre.Mortise lock according to any one of claims 1 to 5, characterized in that it further comprises an intermediate plate (42) secured to said headrest (10), said intermediate plate having a portion (44) slidably mounted in said trunk. Serrure à mortaiser selon l'une quelconque des revendications 1 à 6, caractérisée en ce que ladite seule tige filetée (36) présente une tête (38) liée en translation à ladite têtière (10), tandis que ledit coffre (14) présente un corps taraudé (32) apte à recevoir ladite tige filetée (36).Mortise lock according to any one of claims 1 to 6, characterized in that said single threaded rod (36) has a head (38) translationally connected to said headrest (10), while said chest (14) has a threaded body (32) adapted to receive said threaded rod (36). Serrure à mortaiser selon l'une quelconque des revendications 1 à 7, caractérisée en ce qu'elle comprend un pêne demi-tour (22) monté dans ledit coffre, tandis que ladite têtière (10) présente une première lumière (52) permettant le passage dudit pêne demi-tour (22), et en ce que ledit pêne demi-tour présente des premiers moyens de réglage de la position dudit pêne demi-tour par rapport audit coffre.Mortise lock according to any one of claims 1 to 7, characterized in that it comprises a latch bolt (22) mounted in said trunk, while said headrest (10) has a first lumen (52) allowing the passing said latch bolt (22), and in that said latch bolt has first means for adjusting the position of said latch bolt relative to said trunk. Serrure à mortaiser selon l'une quelconque des revendications 1 à 8, caractérisée en ce qu'elle comprend un pêne de verrouillage (26) monté dans ledit coffre, tandis que ladite têtière (10) présente une seconde lumière (54) permettant le passage dudit pêne de verrouillage (26), et en ce que ledit pêne de verrouillage présente des seconds moyens de réglage de la position dudit pêne de verrouillage par rapport audit coffre.Mortise lock according to any one of claims 1 to 8, characterized in that it comprises a locking bolt (26) mounted in said trunk, while said headrest (10) has a second lumen (54) allowing the passage said latch bolt (26), and in that said latch bolt has second means for adjusting the position of said latch bolt relative to said trunk. Serrure à mortaiser selon la revendication 9, caractérisée en ce que ledit pêne de verrouillage (26) est couplé à des tringles de verrouillage haut (64) et bas (66) permettant d'actionner respectivement des pênes de verrouillage haut (60) et bas (62).Mortise lock according to claim 9, characterized in that said locking bolt (26) is coupled to high (64) and low (66) locking rods for actuating high (60) and low locking bolts, respectively. (62).
EP20130162511 2012-04-20 2013-04-05 Adjustable mortise lock with narrow profile Not-in-force EP2653637B1 (en)

Applications Claiming Priority (1)

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FR1253632A FR2989717B1 (en) 2012-04-20 2012-04-20 ADJUSTABLE MORTISE LOCK WITH NARROW PROFILE

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EP2653637A1 true EP2653637A1 (en) 2013-10-23
EP2653637B1 EP2653637B1 (en) 2015-01-28

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2588900A (en) * 2019-11-12 2021-05-19 Gretsch Unitas Ltd A locking mechanism

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE338464C (en) 1921-06-20 Ernst Bauer Lock housing with adjustable faceplate and bolt
US1462826A (en) * 1921-06-23 1923-07-24 Oscar C Rixson Co Lock
EP2037062A2 (en) * 2007-09-14 2009-03-18 Dorma GmbH + CO. KG Snap lock

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE338464C (en) 1921-06-20 Ernst Bauer Lock housing with adjustable faceplate and bolt
US1462826A (en) * 1921-06-23 1923-07-24 Oscar C Rixson Co Lock
EP2037062A2 (en) * 2007-09-14 2009-03-18 Dorma GmbH + CO. KG Snap lock

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2588900A (en) * 2019-11-12 2021-05-19 Gretsch Unitas Ltd A locking mechanism
GB2588900B (en) * 2019-11-12 2023-08-16 Gretsch Unitas Ltd A latching mechanism

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FR2989717B1 (en) 2014-05-16
EP2653637B1 (en) 2015-01-28
FR2989717A1 (en) 2013-10-25

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