EP2063053A2 - Espagnolette or espagnolette-lock - Google Patents

Espagnolette or espagnolette-lock Download PDF

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Publication number
EP2063053A2
EP2063053A2 EP08305817A EP08305817A EP2063053A2 EP 2063053 A2 EP2063053 A2 EP 2063053A2 EP 08305817 A EP08305817 A EP 08305817A EP 08305817 A EP08305817 A EP 08305817A EP 2063053 A2 EP2063053 A2 EP 2063053A2
Authority
EP
European Patent Office
Prior art keywords
lock
locking
espagnolette
barrel
probe
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
EP08305817A
Other languages
German (de)
French (fr)
Other versions
EP2063053B1 (en
EP2063053A3 (en
Inventor
Pascal Mager
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.)
Ferco SAS
Original Assignee
Ferco International Usine de Ferrures de Batiment
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Ferco International Usine de Ferrures de Batiment filed Critical Ferco International Usine de Ferrures de Batiment
Publication of EP2063053A2 publication Critical patent/EP2063053A2/en
Publication of EP2063053A3 publication Critical patent/EP2063053A3/en
Application granted granted Critical
Publication of EP2063053B1 publication Critical patent/EP2063053B1/en
Active 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
    • E05B17/00—Accessories in connection with locks
    • E05B17/20—Means independent of the locking mechanism for preventing unauthorised opening, e.g. for securing the bolt in the fastening position
    • E05B17/2084—Means to prevent forced opening by attack, tampering or jimmying
    • E05B17/2092—Means responsive to tampering or attack providing additional locking
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B9/00—Lock casings or latch-mechanism casings ; Fastening locks or fasteners or parts thereof to the wing
    • E05B9/08—Fastening locks or fasteners or parts thereof, e.g. the casings of latch-bolt locks or cylinder locks to the wing
    • E05B9/084—Fastening of lock cylinders, plugs or cores
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05C—BOLTS OR FASTENING DEVICES FOR WINGS, SPECIALLY FOR DOORS OR WINDOWS
    • E05C9/00—Arrangements of simultaneously actuated bolts or other securing devices at well-separated positions on the same wing

Definitions

  • the invention relates to a lock or espagnolette-lock comprising a housing adapted adapted to receive a key cylinder for the control of locking and unlocking at least one locking member, such as a dead bolt or similar member.
  • the present invention is in the field of building hardware and relates, in particular, to locks, whether it is a single lock or espagnolette-lock type.
  • Such locks, locks or other locks are intended, through the key cylinder which they may be equipped, to ensure the safety of a door, window or the like.
  • the barrel controlled by means of a key manipulated by the user, acts on the mechanism of this lock or espagnolette-lock, referred to, generically, lock in the following description, to control the lock and the unlocking of an organ that can prevent the opening of this door or window to which does not have the key.
  • the key cylinder can act directly on a dead bolt it is likely to push, as appropriate, in a protruding position for locking or in an erased position for opening the door or window.
  • This cylinder can also be provided to act directly or through a control bridge, on an operating rod may intervene on other locking members, such as hook bolts, dead bolts, rollers, etc. to push this or these in a locked position or, on the contrary, to bring them into an unlocked position.
  • this cylinder can act on a simple locking member to prevent unlocking control of the lock or espagnolette-lock through a handle or a control button acting on such locking members, such as a deadbolt, an operating rod or the like.
  • a lock comprising a locking device of the deadbolt in case of rupture of the barrel.
  • This device consists essentially of a probe and a locking element.
  • the probe takes an L-shaped shape and has at the end of its vertical portion a retaining lug which cooperates with the locking element by maintaining it in the unlocked position under elastic stress.
  • This locking element more particularly comprises a locking pin which, when released by the probe, is designed to be engaged in a cutout formed in the deadbolt, this to maintain it in the locking position and avoid that it can be pushed back into the unlocked position.
  • the feeler comes to bear on the barrel so that in case of breakage and withdrawal of the latter, this probe can be erased by being pushed back by the locking pin itself, acting as a cam under the pulse of the elastic return means.
  • these are put under stress only after engagement in the lock of the barrel, especially after setting up the screw ensuring its fixation. Indeed, it is by engaging this screw that one comes to act on these resilient biasing means pushing said locking finger against the retaining pin of the probe ensuring its maintenance in the unlocked position as the cylinder is present.
  • the probe comes to bear on the barrel on its part extending towards the outside of the room that the lock is supposed to keep closed. This is based on the principle that in the event of an attempted break-in, it is this outside part that risks being neutralized and withdrawn. However, such a design does not make the lock reversible for use right or left on an opening, unless an intervention on the probe of the locking device.
  • the present invention aims to overcome this disadvantage by proposing to associate with the lock a safety device in the form of a locking pin which is released in case of action on the key cylinder resulting in the removal of the latter, whether by tearing or total or partial destruction.
  • a safety device in the form of a locking pin which is released in case of action on the key cylinder resulting in the removal of the latter, whether by tearing or total or partial destruction.
  • the invention makes it possible to respond to this problem of reversibility of the lock.
  • it avoids any risk of incorrect assembly, not to mention that it is no longer necessary to keep in stock two types of locks, one for a mounting on the right, others planned for a left implantation.
  • the manufacture of these locks is found, too, simplified, requiring more than a single assembly line.
  • the person who thinks he can break into a dwelling whose door is secured by means of a lock according to the invention can only ascertain, after having crossed, by destruction or removal, the obstacle represented by the key cylinder, that it is impossible to obtain the unlocking of the lock by direct action on the mechanism of the latter.
  • the invention relates to a lock or espagnolette-lock comprising a housing designed adapted to receive a key cylinder for the control of locking and unlocking of at least one locking member, such as a dead bolt or similar member, comprising a safety device which, by means of a locking finger, is designed capable of maintaining in the locked position at least one locking member under the control of a control probe cooperating with the key cylinder, characterized by the fact that the control probe is designed able to bear against the barrel through at least one point of contact, on each side of the median plane of the lock to ensure the inactive holding of the locking finger in the presence the barrel and, in case of rupture and / or withdrawal of the latter, to release said locking finger.
  • a lock or espagnolette-lock comprising a housing designed adapted to receive a key cylinder for the control of locking and unlocking of at least one locking member, such as a dead bolt or similar member, comprising a safety device which, by means of a locking finger, is designed capable of maintaining in the locked position at least one locking member under
  • the present invention relates to the field of locks in general, capable of being equipped with a key cylinder and will find its application both in locks of simple design, as in the more complex espagnolettes-locks, as seek to illustrate them.
  • Figures 4 and 5 are arranged in the field of locks in general, capable of being equipped with a key cylinder and will find its application both in locks of simple design, as in the more complex espagnolettes-locks, as seek to illustrate them.
  • Figures 4 and 5 are examples of the present invention.
  • such a lock 1 comprises a housing 2 housing a control mechanism 3 and provided adapted to receive a key cylinder 4 for the control of locking and unlocking a locking member 5.
  • This locking member 5 on which the key cylinder 4 intervenes may, in another design, be defined by such an operating rod actuating locking elements such as rollers, hook bolts or other deadbolts.
  • the lock 1 comprises a safety device 6 which, through a locking pin 7, is designed capable of maintaining in the locked position at least one such locking member 5, in case attempted break-in by removal or destruction of the key cylinder 4.
  • this locking pin 7 is mounted under elastic stress in the housing 2 in a manner adapted to cooperate with said locking member 5, in this case the deadbolt in the embodiments illustrated in the figures of the accompanying drawings.
  • this safety device 6 further comprises a control sensor 8 designed adapted to cooperate with said key cylinder 4 to detect its presence.
  • this control sensor 8 initially ensures the holding inactive position of the locking pin 7, it is still designed to release the latter and allow it, under elastic stress, to come to immobilize said dead bolt in locking position in case of tearing or destruction of this key cylinder.
  • the control probe 8 is designed able to bear on the barrel 4 through at least one contact point 8A and 8B, on each side of the median plane P of the lock 1, more particularly on either side of the tapped hole formed in said barrel 4 for receiving the screw defining the means 10 ensuring the fixing of this barrel 4 in the housing 2 of the lock 1.
  • This allows this probe 8 to release the locking pin 7 designed capable of maintaining in the locked position of at least one locking member 5, in the event of attempted burglary by deletion or destruction of the key cylinder 4, whether in whole or in partially after breaking of this barrel 4 at its weakening point, namely substantially at said threaded hole 25.
  • the safety device according to the invention is operational and leads to locking the lock by maintaining at least one of its locking members in the locked position, whatever the subsequent actions on the control mechanism of the lock.
  • this probe 8 borrows at its end 20A provided to cooperate with said cylinder 4, the shape of a fork with two branches 8 'and 8 ", each defining a contact point 8A and 8B.
  • this feeler 8 can be subdivided into two parts, each acting independently, in that each probe portion bearing on the barrel 4 on one side of the median plane P the lock 1, more particularly on either side of the threaded hole formed in said barrel 4, this through a minus a contact point 8A or 8B.
  • each probe portion acts on one side of the barrel 4.
  • these probe portions are individually able to keep the locking finger 7 inactive, just as they are individually capable of releasing the latter in case of rupture. and / or withdrawal of the barrel 4, on one side or the other of the median plane P.
  • the probe 8 when reference is made to the probe 8, it must be considered that the latter may be in one part as in the illustrated embodiment or in two substantially identical or symmetrical parts.
  • the control probe 8 is itself subjected to the action of elastic return means 9 which are defined able to push it to release the locking pin 7 in case of unauthorized actions on the key cylinder 4.
  • these resilient return means 9 are designed to be subjected to stress only through the fastening means 10 of the key cylinder 4 in the housing 2 of the lock 1.
  • this lock when fitting the lock 1 on the woodwork, this lock is initially free of key cylinder 4, for example in order to allow its engagement in a recessed groove groove of the joinery. At this time the elastic return means 9 are not under stress and the control probe 8 ensures the holding, in the inactive position, the locking pin 7 under stress elastic return means 11 acting on the latter.
  • control probe 8 and the locking pin 7 are designed able to move in directions preferably perpendicular to each other to prevent, by shearing effect and under the impulse of the constraint elastically applied to said locking finger 7, that the control probe 8 can be pushed, unexpectedly, from its retaining position 12, visible in the figures 1 and 4 in its position 13 for releasing said locking pin 7 represented in FIG. figure 4 .
  • the locking member 5 with which is defined able to react the safety device 6, more particularly the locking pin 7 is none other than a dead bolt capable of being pushed back into its locking position or unlocking by the key cylinder 4.
  • This deadbolt 5 is therefore mounted in translation in the housing 2 of the lock 1 so as to emerge in the front portion 14 of the housing 2 and cooperate, thus, with a keeper arranged in correspondence on the fixed frame of a door or window equipped with such a lock 1.
  • the locking finger 7 As for the locking finger 7, it is mounted movably in the housing 2 in a direction perpendicular to the movement of said dead bolt 5.
  • This locking pin 7 has a designed end 15 adapted to engage in a light or a cutout 16 of said dead bolt 5 when it is in the locking position as represented by the figure 1 .
  • the elastic return means 11 On the opposite end 17 of this locking pin 7, act the elastic return means 11. These are shown in the form of a helical spring bearing in the bottom 18 of a guide housing 19 in the housing 2 accommodating said locking finger 7.
  • control probe 8 it is movably mounted in the housing 2 of the lock 1 in a direction perpendicular to the direction of movement of the locking pin 7, or substantially in a direction parallel to the movement of the dead bolt 5 and / or this control probe 8 is pivotally mounted about an axis A approximately perpendicular to the plane perpendicular to the barrel 4 passing through the two contact points 8A, 8B of the probe on the latter.
  • this axis of rotation A is substantially perpendicular to the plane in which the two arms 8 'and 8 "of the fork are inserted at the end 20A of the feeler 8, or both of the feeler parts as provided above.
  • this control probe 8 has an end 20 opposite to that 20A provided with the contact points 8A and 8B, designed to cooperate with said locking pin 7 to hold the latter in the inactive position, under stress of the return means 11. More precisely, at this end 20 of the control sensor 8 is provided a retaining rim 21 on which is defined able to bear a recess or a retaining tongue 22 that comprises said locking pin 7.
  • the fixing means 10 of the key cylinder 4 it is usually in the form of a fastening screw which is introduced into the housing 2 from the rabbet of the joinery, through an opening 23 in the headrest 24 closing the housing 2 in the front part 14.
  • This fixing screw 10 is defined adapted to cooperate with a threaded hole 25 formed in the key cylinder 4.
  • control probe 8 is mounted on or adjoins this fastening screw 10.
  • elastic return means 9 defined able to act on this probe 8, they are in the form of a coil spring mounted on the said screw, on the latter being still engaged, between the screw head 26 and said spring 9, a stop 27, preferably in the form of a socket.
  • the safety device 6 comprises, for mounting in the housing 2 of the lock 1, a guide cage 29 of the control sensor 8, cage which is traversed by said fixing screw 10.
  • this control probe 8 is rotatably mounted about the axis A, this through a preferred but not necessary design, in the form of a light 43 arranged in said probe 8 and with which coincides a pivoting lug 44 in the form of a drop of water and tapered in the opposite direction to the barrel 4 as said light has a complementary shape to this lug at its end opposite said barrel.
  • this complementary shape of the pin and the light makes it possible to guarantee the retention of the feeler 8 in the alignment axis of the guide cage 9 and, therefore, in a direction substantially perpendicular to that of the barrel 4, this during the introduction of these elements in the lock housing and before the engagement of the fixing screw of the barrel 4. Subsequently, under the action of the spring 9, the pivot pin 44 shifts substantially in the light 43 of the probe so as to create a clearance between the tapered ends of this lug 44 and said light 43. This game promotes the pivoting of the probe 8 in case, for example, of rupture of the barrel 4.
  • this embodiment of Figures 6 to 8 is distinguished from that previously described in that the locking pin 7 is not mounted under elastic stress in the housing 2, but able to fall freely, under the effect of gravity, to provide a locking function in case of erasing the control probe 8 ensuring, initially, its holding inactive position.
  • this locking pin 7 is in the form of a jumper 30 slidably mounted vertically in the housing 2, advantageously at the rear of the headrest 24. It comprises a locking bar 31 in a manner adapted to cooperate, locking position, with a retention notch 16A provided for this purpose at the dead bolt 5. More precisely, this retaining notch 16A is located at the right of the locking bar 31, when the dead bolt 5 is in the position of lock as depicted by figures 5 and 6 . Moreover, this jumper 30 is advantageously engaged on the dead bolt 5 as illustrated by these figures 5 and 6 .
  • these elastic return means 9 may be designed for, prior to this mounting of the fixing screw 10, exert an inverse action and ensure the maintenance, possibly under stress, said probe 8 in its retaining position 12 of the locking finger 7 in its inactive position.
  • the retaining notch 16A in the dead bolt 5 is positioned in front of the locking bar 31 of the jumper 30, corresponding to the locking pin 7, in locking position of the bolt sleeping 5.
  • the rocker 33 comprises, on one side of the pivot 34, a retaining tongue 22B bearing on the retaining rim 21 at the end 20 of the probe 8, and, on the other side of this pivot 34, a locking pin 35 designed to cooperate, in active locking position, with a retention notch 16B at the dead bolt 5, when it is in the locking position.
  • the elastic return means 11 they are constituted, according to an embodiment, by a spring 36 engaged on the pivot 34 on which is mounted the rocker 33.
  • the principle of operation of a safety device corresponding to this third embodiment is that in case of tearing of the cylinder 4, following an attempted break-in, the probe 8, subjected to the action of the means resilient return means 9, is pushed, by displacement or rotation, from its retaining position 12, in its release position of the rocker 33.
  • This consists in that the retaining rim 21 at the end 20 of the probe 8, s is erased in front of the retaining tongue 22B of this rocker 33, which, being subjected to the action of the spring 36, pivots about the pivot 34 which results in the engagement of the locking pin 35 in the retaining notch 16B of the deadbolt 5, necessarily in the locking position during such an attempted break-in.
  • the retaining notch 16B in the dead bolt 5 is positioned in front of the locking pin 35 of the latch 33, corresponding to the locking pin 7, in locking position of the dead bolt 5.
  • the locking pin 7 is intended to cooperate, in the active position, with at least one locking member 5 which, in the examples selected, is the deadbolt.
  • the locking pin 7 is further adapted to cooperate with another locking member that constitutes here the bridge 5A designed to retransmit a command of the control mechanism 3 of a espagnolette-lock, for example, on an operating rod acting on locking members such as rollers, hook bolts or the like.
  • the rocker 33 defining the locking pin 7, is not only mounted in rotation about the pivot 34 implanted in the housing 2, but, in addition, axially movable on this pivot 34, again between an inactive position and an active position, knowing that it is subjected to elastic return means 11 in this active position.
  • These elastic return means 11 are other than those exerting a torque on this rocker 33 around the pivot 34.
  • the spring 36 defining these elastic return means 11 and mounted on the pivot 34, is non-contiguous turns , just in such a way as to exercise, in same time, an axial thrust on the rocker 33 towards the bridge 5A.
  • the rocker 33 On the side opposite this bridge 5A, the rocker 33, corresponding to the locking finger 7, comprises at least one locking pin 35A which, in the active position of said locking pin 7, engages in an opening 37 adapted in the bridge 5A to immobilize the latter in the locking position.
  • the rocker 33 is held axially in its inactive position against the action of the spring 36 by means of a stop 38 on the pivot 34. In fact, this rocker 33 bears against a complementary abutment 39 on this stop 38 when it is in its angular position in which it is kept inactive by the probe 8. Conversely, in case of tearing of the cylinder 4 the probe 8 releases the blocking finger 7 corresponding to the rocker 33. Under the effect of the return torque exerted by the spring 36, this rocker 33 rotates about the pivot 34, resulting in the engagement of its locking pin 35 in the retaining slot 16B in the dead bolt 5.
  • the security device 6 comprises a blocking device 40 comprising means for maintaining, directly or indirectly, the probe 8 in the retaining position of the locking finger 7, these means being defined as being divisible and / or retractable under the impetus of the fixing screw 10 and / or the stressing of the elastic return means 9 acting on the probe 8.
  • this blocking device 40 may comprise a retaining tongue designed to immobilize, in this retaining position, the probe 8 in the guide cage 29.
  • the blocking device 40 is designed to act on the guide cage 29 so as to maintain the latter in a retracted position relative to the housing of the barrel 4, thus preventing the spring 9 from acting on the probe 8, prisoner in this guide cage 29.
  • this probe is held in the retaining position.
  • the advantage of the latter is to avoid any risk, before mounting the cylinder 4 in the lock or espagnolette-lock 1, that the safety device 6, in this case the locking pin 7, is released unintentionally, by making this lock or espagnolette lock inoperative.
  • this blocking device 40 instead of being divisible, is retractable and in the form of a locking spring 41, with a retaining tongue 42 acting under elastic stress on the guide cage 29 while keeping the latter in a retracted position compared to housing of the barrel 4, again to prevent the elastic return means 9 from acting on the probe 8, trapped in this guide cage 29.
  • the interposition of the control probe between the opening of the key cylinder in the housing 2 of the lock 1 and the locking pin 7 makes it completely inaccessible and even if it was, the means resilient return 11 acting on this locking finger can be of such a stiffness that it is impossible to push it in any direction, at least without disassembly of the lock 1.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Lock And Its Accessories (AREA)
  • Endoscopes (AREA)

Abstract

The lock (1) has a case (2) for receiving a key barrel (4) for controlling locking and unlocking of a locking member (5) e.g. dead bolt. A safety device (6) maintains the locking member in the locked position under the control of a control sensor (8) cooperating with the barrel. The sensor supports on the barrel across a contact point on each side of a median plane of the lock so as to ensure inactive maintenance of a locking finger (7) in the presence of barrel and to release the finger during the rupture or removal of barrel.

Description

L'invention concerne une serrure ou crémone-serrure comportant un boitier conçu apte à recevoir un barillet à clé pour la commande de verrouillage et de déverrouillage d'un moins un organe de verrouillage, tel qu'un pêne dormant ou organe similaire.The invention relates to a lock or espagnolette-lock comprising a housing adapted adapted to receive a key cylinder for the control of locking and unlocking at least one locking member, such as a dead bolt or similar member.

La présente invention entre dans le domaine de la quincaillerie du bâtiment et a trait, plus particulièrement, aux serrures, qu'il s'agisse d'une serrure simple ou de type crémone-serrure.The present invention is in the field of building hardware and relates, in particular, to locks, whether it is a single lock or espagnolette-lock type.

De telles serrures, crémones-serrures ou autres ont pour but, au travers du barillet à clé dont elles sont susceptibles d'être équipées, d'assurer la sécurité d'une porte, fenêtre ou similaire.Such locks, locks or other locks are intended, through the key cylinder which they may be equipped, to ensure the safety of a door, window or the like.

Plus particulièrement, le barillet, commandé au moyen d'une clé manipulée par l'usager, agit sur le mécanisme de cette serrure ou crémone-serrure, dénommée, de manière générique, serrure dans la suite de la description, pour commander le verrouillage et le déverrouillage d'un organe susceptible d'empêcher l'ouverture de cette porte ou fenêtre à qui ne possède pas la clé. Ainsi, le barillet à clé peut agir directement sur un pêne dormant qu'il est susceptible de repousser, selon le cas, dans une position saillante pour le verrouillage ou dans une position effacée permettant l'ouverture de la porte ou fenêtre. Ce barillet peut encore être prévu pour agir directement ou au travers d'un chevalet de commande, sur une tringle de manoeuvre susceptible d'intervenir sur d'autres organes de verrouillage, tels que pênes à crochet, pênes dormants, rouleaux, etc... pour repousser ce ou ces derniers dans une position verrouillée ou, au contraire, pour les amener dans une position de déverrouillage. Dans une autre conception, également connue, ce barillet peut agir sur un simple organe de blocage pour empêcher la commande de déverrouillage de la serrure ou crémone-serrure au travers d'une poignée ou d'un bouton de commande agissant sur de tels organes de verrouillage, tel qu'un pêne dormant, une tringle de manoeuvre ou similaire.More particularly, the barrel, controlled by means of a key manipulated by the user, acts on the mechanism of this lock or espagnolette-lock, referred to, generically, lock in the following description, to control the lock and the unlocking of an organ that can prevent the opening of this door or window to which does not have the key. Thus, the key cylinder can act directly on a dead bolt it is likely to push, as appropriate, in a protruding position for locking or in an erased position for opening the door or window. This cylinder can also be provided to act directly or through a control bridge, on an operating rod may intervene on other locking members, such as hook bolts, dead bolts, rollers, etc. to push this or these in a locked position or, on the contrary, to bring them into an unlocked position. In another design, also known, this cylinder can act on a simple locking member to prevent unlocking control of the lock or espagnolette-lock through a handle or a control button acting on such locking members, such as a deadbolt, an operating rod or the like.

Si l'on a d'ores et déjà imaginé différents dispositifs de sécurité destinés à empêcher l'entrée par effraction dans une habitation au travers d'une intervention directe sur le boîtier de la serrure, en particulier des plaques anti-percement, etc., on a pu noter que cette serrure devient particulièrement vulnérable lorsque, au moyen d'un outil approprié, le barillet à clé est retiré en force ou détruit par perçage.If we have already devised different security devices to prevent the break-in into a home through a direct intervention on the lock housing, especially anti-drill plates, etc. it has been noted that this lock becomes particularly vulnerable when, by means of an appropriate tool, the key cylinder is removed in force or destroyed by drilling.

Même s'il a été conçu différentes protections permettant de limiter les agissements sur ce barillet à clé, protections engendrant des contraintes esthétiques et un surcoût non négligeable au niveau de la serrure, elles ne permettent pas de rendre totalement inviolable, pour autant, le barillet.Although it has been designed various protections to limit the actions on this key cylinder, protections causing aesthetic constraints and a significant extra cost in the lock, they do not allow to make completely tamper, so the barrel .

Or, on comprend bien qu'une fois celui-ci neutralisé, plus exactement lorsque il est retiré ou détruit jusqu'à permettre l'accès aux pièces du mécanisme de manoeuvre abritées par le boîtier de la serrure, il est assez facile de commander le déverrouillage de cette dernière pour entrer par effraction dans une habitation.However, it is understandable that once it neutralized, more exactly when it is removed or destroyed to allow access to parts of the operating mechanism housed by the lock housing, it is quite easy to control the unlocking the latter to break into a home.

A ce propos, il faut rappeler que, de manière habituelle, le barillet à clé est retenu dans la serrure au moyen d'une vis de fixation accessible depuis le chant en feuillure de la porte ou fenêtre équipé d'une telle serrure. Cette vis de fixation s'étend sensiblement dans le plan médian de cette dernière, tandis que le barillet est localement fragilisé au travers de l'orifice taraudé prévu pour accueillir ladite vis de fixation. C'est donc à hauteur de cet orifice et en plein centre du boîtier de la serrure que se rompt habituellement le barillet en cas de tentative d'effraction.In this connection, it should be remembered that, as usual, the key cylinder is retained in the lock by means of a fastening screw accessible from the recessed edge of the door or window equipped with such a lock. This fixing screw extends substantially in the median plane of the latter, while the cylinder is locally weakened through the threaded orifice provided to accommodate said fixing screw. It is therefore at the height of this hole and in the center of the lock housing that usually breaks the barrel in case of attempted break-in.

A cela il faut ajouter qu'il est connu, notamment par le document DE-U-92.08.797 une serrure comportant un dispositif de blocage du pêne dormant en cas de rupture du barillet. Ce dispositif se compose, essentiellement, d'un palpeur et d'un élément de blocage. Le palpeur emprunte une forme en L et comporte à l'extrémité de sa partie verticale un ergot de retenue lequel coopère avec l'élément de blocage en maintenant celui-ci en position débloquée sous contrainte élastique. Cet élément de blocage comporte plus particulièrement un doigt de blocage qui, lorsqu'il est libéré par le palpeur, est conçu apte à venir s'engager dans une découpe ménagée dans le pêne dormant, ceci pour maintenir celui-ci en position de verrouillage et éviter qu'il ne puisse être repoussé en position déverrouillée.
A ce propos, le palpeur vient en appui sur le barillet de sorte qu'en cas de rupture et retrait de ce dernier, ce palpeur puisse s'effacer en étant repoussé par le doigt de blocage lui-même, agissant telle une came sous l'impulsion des moyens de rappel élastique. Justement, ces derniers sont mis sous contrainte qu'après engagement dans la serrure du barillet, surtout après mis en place de la vis assurant sa fixation. En effet, c'est en engageant cette vis que l'on vient agir sur ces moyens de rappel élastique repoussant ledit doigt de blocage contre l'ergot de retenu du palpeur assurant son maintien en position débloqué tant que le barillet est présent.To this it should be added that it is known, in particular by the document DE-U-92.08.797 a lock comprising a locking device of the deadbolt in case of rupture of the barrel. This device consists essentially of a probe and a locking element. The probe takes an L-shaped shape and has at the end of its vertical portion a retaining lug which cooperates with the locking element by maintaining it in the unlocked position under elastic stress. This locking element more particularly comprises a locking pin which, when released by the probe, is designed to be engaged in a cutout formed in the deadbolt, this to maintain it in the locking position and avoid that it can be pushed back into the unlocked position.
In this respect, the feeler comes to bear on the barrel so that in case of breakage and withdrawal of the latter, this probe can be erased by being pushed back by the locking pin itself, acting as a cam under the pulse of the elastic return means. Exactly, these are put under stress only after engagement in the lock of the barrel, especially after setting up the screw ensuring its fixation. Indeed, it is by engaging this screw that one comes to act on these resilient biasing means pushing said locking finger against the retaining pin of the probe ensuring its maintenance in the unlocked position as the cylinder is present.

Le palpeur vient en appui sur le barillet sur sa partie s'étendant vers l'extérieur de la pièce que la serrure est sensée maintenir refermée. Cela part du principe qu'en cas de tentative d'effraction c'est bien cette partie extérieure qui risque d'être neutralisée et retirée. Or une telle conception ne permet pas de rendre la serrure réversible pour une utilisation droite ou gauche sur un ouvrant, à moins d'une intervention sur le palpeur du dispositif de blocage.The probe comes to bear on the barrel on its part extending towards the outside of the room that the lock is supposed to keep closed. This is based on the principle that in the event of an attempted break-in, it is this outside part that risks being neutralized and withdrawn. However, such a design does not make the lock reversible for use right or left on an opening, unless an intervention on the probe of the locking device.

Pour remédier à cet inconvénient, on peut imaginer un appui du palpeur sur le barillet dans le plan médian de la serrure, sensiblement à hauteur de l'orifice prévu pour accueillir la vis de fixation de ce barillet. Toutefois, une telle conception n'apporte qu'une solution partielle au problème dans la mesure où la rupture n'intervient pas systématiquement à hauteur de ce plan médian du barillet.To remedy this drawback, one can imagine a probe support on the barrel in the median plane of the lock, substantially at the height of the orifice provided to accommodate the fixing screw of this barrel. However, such a design provides only a partial solution to the problem insofar as the rupture does not occur systematically up to this median plane of the barrel.

Précisément, la présente invention a pour but de remédier à cet inconvénient en proposant d'associer à la serrure un dispositif de sécurité sous forme d'un doigt de blocage qui est libéré en cas d'action sur le barillet à clé ayant pour conséquence la suppression de ce dernier, que ce soit par arrachement ou destruction totale ou partielle. Notamment, quelque soit la moitié de barillet qui est cassée et retirée, il en résulte le blocage de la serrure au travers d'un doigt de blocage conçu apte à bloquer un organe de verrouillage en position verrouillée. Aussi, l'invention permet de répondre à ce problème de réversibilité de la serrure. Tout particulièrement elle permet d'éviter tout risque de montage incorrect, sans compter qu'il n'est plus nécessaire de tenir en stock deux types de serrures, les unes pour un montage à droite, d'autres prévues pour une implantation à gauche. La fabrication de ces serrures s'en trouve, elle aussi, simplifiée, ne nécessitant plus qu'une seule ligne de montage.Specifically, the present invention aims to overcome this disadvantage by proposing to associate with the lock a safety device in the form of a locking pin which is released in case of action on the key cylinder resulting in the removal of the latter, whether by tearing or total or partial destruction. In particular, whatever the half of the barrel is broken and removed, it results in locking the lock through a locking pin designed to lock a locking member in the locked position. Also, the invention makes it possible to respond to this problem of reversibility of the lock. In particular, it avoids any risk of incorrect assembly, not to mention that it is no longer necessary to keep in stock two types of locks, one for a mounting on the right, others planned for a left implantation. The manufacture of these locks is found, too, simplified, requiring more than a single assembly line.

En somme, la personne pensant pouvoir s'infiltrer par effraction dans une habitation dont la porte est sécurisée au moyen d'une serrure selon l'invention, ne peut que constater, après avoir franchi, par destruction ou suppression, l'obstacle que représente le barillet à clé, qu'il lui est impossible d'obtenir le déverrouillage de la serrure par action directe sur le mécanisme de cette dernière.In short, the person who thinks he can break into a dwelling whose door is secured by means of a lock according to the invention can only ascertain, after having crossed, by destruction or removal, the obstacle represented by the key cylinder, that it is impossible to obtain the unlocking of the lock by direct action on the mechanism of the latter.

On remarquera, à ce propos, que cette solution conforme à l'invention n'empêche pas la mise en oeuvre, en combinaison, des techniques de protection du barillet lui-même.It will be noted, in this regard, that this solution according to the invention does not prevent the implementation, in combination, protection techniques of the cylinder itself.

Ainsi, l'invention concerne une serrure ou crémone-serrure comportant un boîtier conçu apte à recevoir un barillet à clé pour la commande de verrouillage et de déverrouillage d'au moins un organe de verrouillage, tel qu'un pêne dormant ou organe similaire, comportant un dispositif de sécurité qui, au travers d'un doigt de blocage, est conçu apte à assurer le maintien en position verrouillée d'au moins un organe de verrouillage sous la commande d'un palpeur de commande coopérant avec le barillet à clé, caractérisé par le fait que le palpeur de commande est conçu apte à venir en appui sur le barillet au travers d'au moins un point de contact, de chaque côté du plan médian de la serrure pour assurer le maintien inactif du doigt de blocage en présence du barillet et, en cas de rupture et/ou de retrait de ce dernier, pour libérer ledit doigt de blocage.Thus, the invention relates to a lock or espagnolette-lock comprising a housing designed adapted to receive a key cylinder for the control of locking and unlocking of at least one locking member, such as a dead bolt or similar member, comprising a safety device which, by means of a locking finger, is designed capable of maintaining in the locked position at least one locking member under the control of a control probe cooperating with the key cylinder, characterized by the fact that the control probe is designed able to bear against the barrel through at least one point of contact, on each side of the median plane of the lock to ensure the inactive holding of the locking finger in the presence the barrel and, in case of rupture and / or withdrawal of the latter, to release said locking finger.

La présente invention sera mieux comprise à la lecture de la description qui va suivre et en se référant aux dessins ci-joints se rapportant différents exemples de réalisation.

  • la figure 1 est une représentation schématisée et en coupe partielle d'une serrure équipée, selon un premier mode de réalisation, d'un dispositif de sécurité conformément à l'invention ;
  • la figure 2 est une représentation schématisée des différents composants du dispositif de sécurité de la figure 1 ;
  • la figure 3 est une représentation schématisée et de détail du palpeur de commande du dispositif de sécurité ;
  • la figure 4 illustre la serrure, selon le mode de réalisation conforme aux figures 1 et 2, lors de la mise en place du barillet à clé ;
  • la figure 5 est une vue similaire à la figure 3 illustrant, dans ce même mode de réalisation, le cas où le barillet a été retiré, l'organe de blocage ayant été repoussé dans sa position de blocage ;
  • les figures 6 et 7 sont des vues similaires à la figure 1 illustrant une serrure équipée, selon un second mode de réalisation, d'un dispositif de sécurité conformément à l'invention ;
  • la figure 8 représente en perspective et de manière schématisée l'effacement du palpeur par rapport au doigt de blocage dans le mode de réalisation visible dans les figures 6 et 7 ;
  • la figure 9 est, là encore, une représentation schématisée et en coupe partielle d'une serrure comportant, selon un troisième mode de réalisation, un dispositif de sécurité conformément à l'invention ;
  • la figure 10 est une vue similaire à la figure 7, la bascule correspondant au doigt de blocage étant représenté en transparence ;
  • la figure 11 est une vue de détail illustrant un dispositif bloqueur escamotable et sous forme d'un ressort bloqueur.
The present invention will be better understood on reading the description which follows and with reference to the accompanying drawings relating to various exemplary embodiments.
  • the figure 1 is a schematic representation in partial section of a lock equipped, according to a first embodiment, of a safety device according to the invention;
  • the figure 2 is a schematic representation of the various components of the safety device of the figure 1 ;
  • the figure 3 is a schematic and detailed representation of the control probe of the safety device;
  • the figure 4 illustrates the lock, according to the embodiment according to Figures 1 and 2 when setting up the key cylinder;
  • the figure 5 is a view similar to the figure 3 illustrating, in this same embodiment, the case where the barrel has been removed, the locking member having been pushed into its locking position;
  • the Figures 6 and 7 are views similar to the figure 1 illustrating a lock equipped, according to a second embodiment, with a safety device according to the invention;
  • the figure 8 represents in perspective and schematically the erasing of the probe with respect to the locking finger in the embodiment visible in FIGS. Figures 6 and 7 ;
  • the figure 9 is, again, a schematic representation in partial section of a lock comprising, according to a third embodiment, a safety device according to the invention;
  • the figure 10 is a view similar to the figure 7 , the flip-flop corresponding to the blocking finger being represented in transparency;
  • the figure 11 is a detail view illustrating a retractable blocking device and in the form of a locking spring.

La présente invention concerne le domaine des serrures en général, susceptibles d'être équipées d'un barillet à clé et trouvera son application tant dans des serrures de conception simple, que dans les crémones-serrures plus complexes, comme cherchent à l'illustrer les figures 4 et 5.The present invention relates to the field of locks in general, capable of being equipped with a key cylinder and will find its application both in locks of simple design, as in the more complex espagnolettes-locks, as seek to illustrate them. Figures 4 and 5 .

Plus particulièrement et tel que visible dans la figure 1, une telle serrure 1 comporte un boîtier 2 logeant un mécanisme de commande 3 et prévu apte à réceptionner un barillet à clé 4 pour la commande de verrouillage et de déverrouillage d'un organe de verrouillage 5.More particularly and as visible in the figure 1 such a lock 1 comprises a housing 2 housing a control mechanism 3 and provided adapted to receive a key cylinder 4 for the control of locking and unlocking a locking member 5.

Celui-ci peut être défini par un pêne dormant comme l'illustrent notamment les figurent 1, 6, 7 et 9, sachant que cet organe de verrouillage peut encore être défini par un organe de blocage qui, en position de verrouillage, vient bloquer une ou des tringles de manoeuvre dans leur position verrouillée. Cet organe de verrouillage 5 sur lequel intervient le barillet à clé 4 peut, dans une autre conception, être défini par une telle tringle de manoeuvre actionnant des éléments de verrouillage tels que des rouleaux, des pênes à crochet ou d'autres pênes dormants.This can be defined by a deadbolt as illustrated in particular in 1, 6, 7 and 9, knowing that this locking member can still be defined by a locking member which, in the locking position, blocks a or maneuvering rods in their locked position. This locking member 5 on which the key cylinder 4 intervenes may, in another design, be defined by such an operating rod actuating locking elements such as rollers, hook bolts or other deadbolts.

Quoiqu'il en soit, la serrure 1 comporte un dispositif de sécurité 6 qui, au travers d'un doigt de blocage 7, est conçue apte à assurer le maintien en position verrouillée d'au moins un tel organe de verrouillage 5, en cas de tentative d'effraction par suppression ou destruction du barillet à clé 4.Whatever the case, the lock 1 comprises a safety device 6 which, through a locking pin 7, is designed capable of maintaining in the locked position at least one such locking member 5, in case attempted break-in by removal or destruction of the key cylinder 4.

Ainsi, selon un premier mode de réalisation illustré dans les figures 1 à 5, ce doigt de blocage 7 est monté sous contrainte élastique dans le boîtier 2 de manière apte à coopérer avec ledit organe de verrouillage 5, en l'occurrence le pêne dormant dans les modes de réalisation illustré dans les figures des dessins ci-joints. De plus, ce dispositif de sécurité 6 comporte encore un palpeur de commande 8 conçu apte à coopérer avec ledit barillet à clé 4 pour détecter sa présence. Ainsi, si ce palpeur de commande 8 assure, initialement, le maintien en position inactive du doigt de blocage 7, il est encore conçu pour libérer ce dernier et lui permettre, sous contrainte élastique, de venir immobiliser ledit pêne dormant en position de verrouillage en cas d'arrachage ou destruction de ce barillet à clé.Thus, according to a first embodiment illustrated in the Figures 1 to 5 , this locking pin 7 is mounted under elastic stress in the housing 2 in a manner adapted to cooperate with said locking member 5, in this case the deadbolt in the embodiments illustrated in the figures of the accompanying drawings. In addition, this safety device 6 further comprises a control sensor 8 designed adapted to cooperate with said key cylinder 4 to detect its presence. Thus, if this control sensor 8 initially ensures the holding inactive position of the locking pin 7, it is still designed to release the latter and allow it, under elastic stress, to come to immobilize said dead bolt in locking position in case of tearing or destruction of this key cylinder.

Selon une particularité de l'invention notamment visible dans les figures 2 et 3, le palpeur de commande 8 est conçu apte à venir en appui sur le barillet 4 au travers d'au moins un point de contact 8A et 8B, de chaque côté du plan médian P de la serrure 1, plus particulièrement de part et d'autre du trou taraudé ménagé dans ledit barillet 4 pour la réception de la vis définissant les moyens 10 assurant la fixation de ce barillet 4 dans le boîtier 2 de la serrure 1. Ceci permet à ce palpeur 8 de libérer le doigt de blocage 7 conçue apte à assurer le maintien en position verrouillée d'au moins un organe de verrouillage 5, en cas de tentative d'effraction par suppression ou destruction du barillet à clé 4, que ce soit en totalité ou partiellement après rupture de ce barillet 4 à hauteur de son point d'affaiblissement, à savoir sensiblement au niveau dudit trou taraudé 25.According to a feature of the invention, particularly visible in the figures 2 and 3 , the control probe 8 is designed able to bear on the barrel 4 through at least one contact point 8A and 8B, on each side of the median plane P of the lock 1, more particularly on either side of the tapped hole formed in said barrel 4 for receiving the screw defining the means 10 ensuring the fixing of this barrel 4 in the housing 2 of the lock 1. This allows this probe 8 to release the locking pin 7 designed capable of maintaining in the locked position of at least one locking member 5, in the event of attempted burglary by deletion or destruction of the key cylinder 4, whether in whole or in partially after breaking of this barrel 4 at its weakening point, namely substantially at said threaded hole 25.

En somme, quel que soit le côté d'agression de la serrure et, donc, la partie du barillet que l'on vient extraire en force, après rupture de ce barillet, le dispositif de sécurité selon l'invention est opérationnel et conduit au blocage de la serrure par maintien d'un au moins de ses organes de blocage en position verrouillée, quelque soit les agissements ultérieurs sur le mécanisme de commande de cette serrure.In short, whatever the aggression side of the lock and, therefore, the part of the barrel that is just extracted in force, after breaking of this barrel, the safety device according to the invention is operational and leads to locking the lock by maintaining at least one of its locking members in the locked position, whatever the subsequent actions on the control mechanism of the lock.

Comme il est plus particulièrement visible dans la figure 3, ce palpeur 8 emprunte à son extrémité 20A prévue pour coopérer avec le dit barillet 4, la forme d'une fourche à deux branches 8' et 8", chacune définissant un point de contact 8A et 8B.As it is particularly visible in the figure 3 , this probe 8 borrows at its end 20A provided to cooperate with said cylinder 4, the shape of a fork with two branches 8 'and 8 ", each defining a contact point 8A and 8B.

Selon encore un autre mode de réalisation non visible sur les dessins, ce palpeur 8 peut être subdivisé en deux parties, chacune agissant indépendamment, en ce sens que chaque partie de palpeur venant en appui sur le barillet 4 d'un côté du plan médian P de la serrure 1, plus particulièrement de part et d'autre du trou taraudé ménagé dans ledit barillet 4, ceci au travers d'un moins un point de contact 8A ou 8B. En somme chaque partie de palpeur agit d'un côté du barillet 4. De plus ces parties de palpeur sont individuellement aptes à maintenir inactif le doigt de blocage 7, tout comme elles sont individuellement aptes à libérer ce dernier en cas de rupture et/ou de retrait du barillet 4, d'un côté ou de l'autre du plan médian P.According to yet another embodiment not visible in the drawings, this feeler 8 can be subdivided into two parts, each acting independently, in that each probe portion bearing on the barrel 4 on one side of the median plane P the lock 1, more particularly on either side of the threaded hole formed in said barrel 4, this through a minus a contact point 8A or 8B. In sum, each probe portion acts on one side of the barrel 4. In addition, these probe portions are individually able to keep the locking finger 7 inactive, just as they are individually capable of releasing the latter in case of rupture. and / or withdrawal of the barrel 4, on one side or the other of the median plane P.

Aussi, dans la suite de la description, lorsqu'il est fait référence au palpeur 8, il faut considérer que ce dernier peut être en une seule partie comme dans le mode de réalisation illustré ou en deux parties sensiblement identiques, voire symétriques.Also, in the following description, when reference is made to the probe 8, it must be considered that the latter may be in one part as in the illustrated embodiment or in two substantially identical or symmetrical parts.

Le palpeur de commande 8 est lui-même soumis à l'action de moyens de rappel élastiques 9 qui sont définis aptes à le repousser en vue de libérer le doigt de blocage 7 en cas d'agissements non autorisés sur le barillet à clé 4.The control probe 8 is itself subjected to the action of elastic return means 9 which are defined able to push it to release the locking pin 7 in case of unauthorized actions on the key cylinder 4.

Toutefois, ces moyens de rappel élastiques 9 sont conçus aptes à être mis sous contrainte qu'au travers des moyens de fixation 10 du barillet à clé 4 dans le boîtier 2 de la serrure 1.However, these resilient return means 9 are designed to be subjected to stress only through the fastening means 10 of the key cylinder 4 in the housing 2 of the lock 1.

En d'autres termes, lors du montage de la serrure 1 sur la menuiserie, cette serrure est initialement dépourvue de barillet à clé 4, par exemple dans le but de permettre son engagement dans une rainure d'encastrement en feuillure de cette menuiserie. A cet instant les moyens de rappel élastiques 9 ne sont pas sous contrainte et le palpeur de commande 8 assure le maintien, en position inactive, du doigt de blocage 7 sous contrainte des moyens de rappel élastiques 11 agissant sur ce dernier.In other words, when fitting the lock 1 on the woodwork, this lock is initially free of key cylinder 4, for example in order to allow its engagement in a recessed groove groove of the joinery. At this time the elastic return means 9 are not under stress and the control probe 8 ensures the holding, in the inactive position, the locking pin 7 under stress elastic return means 11 acting on the latter.

A ce propos, dans ce mode de réalisation correspondant aux figures 1 à 5, on observera que le palpeur de commande 8 et le doigt de blocage 7 sont conçus aptes à se déplacer suivant des directions préférentiellement perpendiculaires l'une par rapport à l'autre pour empêcher, par effet de cisaillement et sous l'impulsion de la contrainte élastique appliquée au dit doigt de blocage 7, que le palpeur de commande 8 puisse être repoussé, inopinément, depuis sa position de retenue 12, visible dans les figures 1 et 4, dans sa position 13 de libération dudit doigt de blocage 7 représenté dans la figure 4.In this respect, in this embodiment corresponding to the Figures 1 to 5 it will be observed that the control probe 8 and the locking pin 7 are designed able to move in directions preferably perpendicular to each other to prevent, by shearing effect and under the impulse of the constraint elastically applied to said locking finger 7, that the control probe 8 can be pushed, unexpectedly, from its retaining position 12, visible in the figures 1 and 4 in its position 13 for releasing said locking pin 7 represented in FIG. figure 4 .

Précisément, dans la suite de la description, il est plus particulièrement fait référence au mode de réalisation donné à titre d'exemple, correspondant aux figures 1 à 5 des dessins joints en annexe.Specifically, in the remainder of the description, reference is made more particularly to the embodiment given by way of example, corresponding to the Figures 1 to 5 attached drawings.

Plus particulièrement, l'organe de blocage 5 avec lequel est défini apte à réagir le dispositif de sécurité 6, plus particulièrement le doigt de blocage 7, n'est autre qu'un pêne dormant susceptible d'être repoussé dans sa position de verrouillage ou de déverrouillage par le barillet à clé 4.More particularly, the locking member 5 with which is defined able to react the safety device 6, more particularly the locking pin 7 is none other than a dead bolt capable of being pushed back into its locking position or unlocking by the key cylinder 4.

Ce pêne dormant 5 est donc monté en translation dans le boîtier 2 de la serrure 1 de manière à pouvoir émerger en partie avant 14 de ce boîtier 2 et coopérer, ainsi, avec une gâche disposée en correspondance sur le cadre dormant d'une porte ou fenêtre équipée d'une telle serrure 1.This deadbolt 5 is therefore mounted in translation in the housing 2 of the lock 1 so as to emerge in the front portion 14 of the housing 2 and cooperate, thus, with a keeper arranged in correspondence on the fixed frame of a door or window equipped with such a lock 1.

Quant au doigt de blocage 7, il est monté mobile dans le boîtier 2 suivant une direction perpendiculaire au déplacement dudit pêne dormant 5. Ce doigt de blocage 7 comporte une extrémité 15 conçue apte à venir s'engager dans une lumière ou une découpe 16 dudit pêne dormant 5 lorsque celui-ci est en position de verrouillage comme le représente la figure 1. Sur l'extrémité opposée 17 de ce doigt de blocage 7, agissent les moyens de rappel élastiques 11. Ceux-ci sont représentés sous forme d'un ressort hélicoïdal prenant appui dans le fond 18 d'un logement de guidage 19 dans le boîtier 2 accueillant ledit doigt de blocage 7.As for the locking finger 7, it is mounted movably in the housing 2 in a direction perpendicular to the movement of said dead bolt 5. This locking pin 7 has a designed end 15 adapted to engage in a light or a cutout 16 of said dead bolt 5 when it is in the locking position as represented by the figure 1 . On the opposite end 17 of this locking pin 7, act the elastic return means 11. These are shown in the form of a helical spring bearing in the bottom 18 of a guide housing 19 in the housing 2 accommodating said locking finger 7.

Quant au palpeur de commande 8, il est monté mobile dans le boîtier 2 de la serrure 1 suivant une direction perpendiculaire à la direction de déplacement du doigt de blocage 7, soit, sensiblement, dans une direction parallèle au déplacement du pêne dormant 5 et/ou ce palpeur de commande 8 est monté pivotant autour d'un axe A approximativement perpendiculaire au plan perpendiculaire au barillet 4 passant par les deux points de contacts 8A, 8B du palpeur sur ce dernier. En somme, cet axe de rotation A est sensiblement perpendiculaire au plan dans lequel s'inscrivent les deux branches 8' et 8" de la fourche à l'extrémité 20A du palpeur 8, voire les deux parties de palpeur comme prévu plus haut.As for the control probe 8, it is movably mounted in the housing 2 of the lock 1 in a direction perpendicular to the direction of movement of the locking pin 7, or substantially in a direction parallel to the movement of the dead bolt 5 and / or this control probe 8 is pivotally mounted about an axis A approximately perpendicular to the plane perpendicular to the barrel 4 passing through the two contact points 8A, 8B of the probe on the latter. In sum, this axis of rotation A is substantially perpendicular to the plane in which the two arms 8 'and 8 "of the fork are inserted at the end 20A of the feeler 8, or both of the feeler parts as provided above.

Précisément, ce palpeur de commande 8 comporte une extrémité 20, opposée à celle 20A pourvue des points de contact 8A et 8B, conçue apte à coopérer avec ledit doigt de blocage 7 pour retenir celui-ci en position inactive, sous contrainte des moyens de rappel élastiques 11. Plus exactement, à cette extrémité 20 du palpeur de commande 8 est ménagé un rebord de retenue 21 sur lequel est défini apte à prendre appui un décrochement ou une languette de retenue 22 que comporte ledit doigt de blocage 7.Specifically, this control probe 8 has an end 20 opposite to that 20A provided with the contact points 8A and 8B, designed to cooperate with said locking pin 7 to hold the latter in the inactive position, under stress of the return means 11. More precisely, at this end 20 of the control sensor 8 is provided a retaining rim 21 on which is defined able to bear a recess or a retaining tongue 22 that comprises said locking pin 7.

Quant au moyen de fixation 10 du barillet à clé 4, il se présente, usuellement, sous forme d'une vis de fixation que l'on vient introduire dans le boîtier 2 depuis la feuillure de la menuiserie, au travers d'une ouverture 23 dans la têtière 24 refermant le boîtier 2 en partie avant 14. Cette vis de fixation 10 est définie apte à coopérer avec un trou taraudé 25 ménagé dans le barillet à clé 4.As for the fixing means 10 of the key cylinder 4, it is usually in the form of a fastening screw which is introduced into the housing 2 from the rabbet of the joinery, through an opening 23 in the headrest 24 closing the housing 2 in the front part 14. This fixing screw 10 is defined adapted to cooperate with a threaded hole 25 formed in the key cylinder 4.

De manière avantageuse, le palpeur de commande 8 est monté sur ou jouxte cette vis de fixation 10. Quant aux moyens de rappel élastiques 9 définis aptes à agir sur ce palpeur 8, ils se présentent sous forme d'un ressort hélicoïdal monté sur la dite vis, sur cette dernière étant encore engagée, entre la tête de vis 26 et ledit ressort 9, une butée de mise sous tension 27, avantageusement sous forme d'une douille.Advantageously, the control probe 8 is mounted on or adjoins this fastening screw 10. As for the elastic return means 9 defined able to act on this probe 8, they are in the form of a coil spring mounted on the said screw, on the latter being still engaged, between the screw head 26 and said spring 9, a stop 27, preferably in the form of a socket.

Ainsi, lors de la mis en place du barillet à clé 4 et de l'engagement de la vis de fixation 10, la tête 26 de cette dernière vient progressivement repousser la douille 27. Cette poussée est répercutée sur le ressort hélicoïdal 9 que traverse la dite vis 10. Du côté de son extrémité opposée à la dite douille 27, ce ressort hélicoïdal 9, prenant appui sur un rebord d'appui 28 adapté au niveau du palpeur de commande 8, est progressivement mis sous contrainte, étant entendu que le palpeur de commande 8 ne peut être repoussé dans sa position de libération 13 de l'organe de blocage 7, en raison de la présence du barillet à clé 4 avec lequel il coopère.Thus, during the introduction of the key cylinder 4 and the engagement of the fixing screw 10, the head 26 of the latter gradually pushes the sleeve 27. This thrust is reflected on the coil spring 9 through which the said screw 10. On the side of its end opposite to said sleeve 27, this coil spring 9, bearing on a bearing flange 28 adapted to the level of the control sensor 8, is gradually put under stress, it being understood that the probe 8 can not be pushed into its release position 13 of the locking member 7, due to the presence of the key cylinder 4 with which it cooperates.

Selon un mode d'exécution avantageux, le dispositif de sécurité 6 comporte, pour le montage dans le boîtier 2 de la serrure 1, une cage de guidage 29 du palpeur de commande 8, cage qui est traversée pas ladite vis de fixation 10.According to an advantageous embodiment, the safety device 6 comprises, for mounting in the housing 2 of the lock 1, a guide cage 29 of the control sensor 8, cage which is traversed by said fixing screw 10.

C'est dans cette cage de guidage 29 que ce palpeur de commande 8 est monté en rotation autour de l'axe A, ceci au travers d'une conception préférentielle, mais non nécessaire, sous forme d'une lumière 43 aménagée dans ledit palpeur 8 et avec laquelle coïncide un ergot de pivotement 44 en forme de goutte d'eau et effilé en direction opposée au barillet 4 tout comme ladite lumière comporte une forme complémentaire à cet ergot à son extrémité opposée audit barillet.It is in this guide cage 29 that this control probe 8 is rotatably mounted about the axis A, this through a preferred but not necessary design, in the form of a light 43 arranged in said probe 8 and with which coincides a pivoting lug 44 in the form of a drop of water and tapered in the opposite direction to the barrel 4 as said light has a complementary shape to this lug at its end opposite said barrel.

Ainsi, cette forme complémentaire de l'ergot et de la lumière permet de garantir le maintien du palpeur 8 dans l'axe d'alignement de la cage de guidage 9 et, donc, dans une direction sensiblement perpendiculaire à celle du barillet 4, ceci lors de la mise en place de ces éléments dans le boîtier de la serrure et avant l'engagement de la vis 10 de fixation du barillet 4. Ultérieurement, sous l'action du ressort 9, l'ergot de pivotement 44 se décale sensiblement dans la lumière 43 du palpeur de manière à créer un jeu entre les extrémités effilées de cet ergot 44 et de ladite lumière 43. Ce jeu favorise le pivotement du palpeur 8 en cas, par exemple, de rupture du barillet 4.Thus, this complementary shape of the pin and the light makes it possible to guarantee the retention of the feeler 8 in the alignment axis of the guide cage 9 and, therefore, in a direction substantially perpendicular to that of the barrel 4, this during the introduction of these elements in the lock housing and before the engagement of the fixing screw of the barrel 4. Subsequently, under the action of the spring 9, the pivot pin 44 shifts substantially in the light 43 of the probe so as to create a clearance between the tapered ends of this lug 44 and said light 43. This game promotes the pivoting of the probe 8 in case, for example, of rupture of the barrel 4.

Justement, en cas de rupture, ne serait ce que partielle de ce dernier, il y a modification de la position des points de contact 8A, 8B l'un par rapport à l'autre, ce qui découle du basculement du palpeur 8 rendu possible grâce à cette mobilité relative de l'ergot en goutte d'eau 44 dans la lumière 43 précités. Ce basculement est plus particulièrement visible dans la figure 8 se rapportant au mode de réalisation des figures 6 et 7.Exactly, in case of rupture, if only partial of the latter, there is modification of the position of the contact points 8A, 8B relative to each other, which results from the tilting of the probe 8 made possible thanks to this relative mobility of the ergot water drop 44 in the light 43 above. This changeover is more particularly visible in the figure 8 relating to the embodiment of Figures 6 and 7 .

Justement, ce mode de réalisation des figures 6 à 8 se distingue de celui précédemment décrit en ce que le doigt de blocage 7 n'est pas monté sous contrainte élastique dans le boîtier 2, mais apte à retomber librement, sous l'effet de la gravité, pour assurer une fonction de blocage en cas d'effacement du palpeur de commande 8 assurant, initialement, son maintien en position inactive.Precisely, this embodiment of Figures 6 to 8 is distinguished from that previously described in that the locking pin 7 is not mounted under elastic stress in the housing 2, but able to fall freely, under the effect of gravity, to provide a locking function in case of erasing the control probe 8 ensuring, initially, its holding inactive position.

Ainsi, ce doigt de blocage 7 se présente sous forme d'un cavalier 30 monté coulissant, verticalement, dans le boîtier 2, avantageusement à l'arrière de la têtière 24. Il comporte une barre de blocage 31 de manière apte à coopérer, en position de blocage, avec une encoche de retenue 16A prévue à cet effet au niveau du pêne dormant 5. Plus exactement, cette encoche de retenue 16A vient se situer au droit de la barre de blocage 31, lorsque le pêne dormant 5 est en position de verrouillage comme le représente les figures 5 et 6. D'ailleurs, ce cavalier 30 est avantageusement engagé sur le pêne dormant 5 comme l'illustre ces figures 5 et 6.Thus, this locking pin 7 is in the form of a jumper 30 slidably mounted vertically in the housing 2, advantageously at the rear of the headrest 24. It comprises a locking bar 31 in a manner adapted to cooperate, locking position, with a retention notch 16A provided for this purpose at the dead bolt 5. More precisely, this retaining notch 16A is located at the right of the locking bar 31, when the dead bolt 5 is in the position of lock as depicted by figures 5 and 6 . Moreover, this jumper 30 is advantageously engaged on the dead bolt 5 as illustrated by these figures 5 and 6 .

Dans sa partie inférieure 32, ce cavalier 30, correspondant au doigt de blocage 7, comporte également une languette de retenue 22A venant en appui sur l'extrémité 20 du palpeur 8 définissant un rebord de retenu 21.In its lower part 32, this jumper 30, corresponding to the locking pin 7, also comprises a retaining tongue 22A bearing on the end 20 of the probe 8 defining a retaining rim 21.

Le fonctionnement d'un tel dispositif de sécurité conçu selon ce second mode de réalisation est le suivant : en l'absence du barillet 4, suite à un arrachement, le palpeur 8, soumis à l'action des moyens de rappel élastiques 9, est repoussé ou basculé depuis sa position de retenue 12, dans sa position 13 de libération dudit doigt de blocage 7, plus exactement du cavalier 30. Cela consiste en ce que le rebord de retenu 21 à l'extrémité 20 du palpeur 8, s'efface devant la languette de retenue 22A, autorisant ledit cavalier 30 à retomber librement jusqu'à provoquer l'engagement de la barre de blocage 31 dans l'encoche de retenue 16A.The operation of such a safety device designed according to this second embodiment is as follows: in the absence of the barrel 4, following tearing, the probe 8, subjected to the action of the elastic return means 9, is pushed or tilted from its retaining position 12, in its position 13 for releasing said locking finger 7, more precisely the rider 30. This consists in that the retaining rim 21 at the end 20 of the probe 8, is erased in front of the retaining tab 22A, allowing said rider 30 to fall freely until the locking bar 31 engages in the retaining slot 16A.

Là encore les moyens de rappel élastique 9 agissant sur le palpeur 8 ne sont mis sous contrainte qu'au moment du serrage de la vis de fixation 10.Again the elastic return means 9 acting on the feeler 8 are only stressed when tightening the fixing screw 10.

D'ailleurs, selon un mode d'exécution avantageux, mais non représenté, ces moyens de rappel élastique 9 peuvent être conçu pour, avant ce montage de la vis de fixation 10, exercer une action inverse et assurer le maintien, éventuellement sous contrainte, dudit palpeur 8 dans sa position de retenue 12 du doigt de blocage 7 dans sa position inactive.Moreover, according to an advantageous embodiment, but not shown, these elastic return means 9 may be designed for, prior to this mounting of the fixing screw 10, exert an inverse action and ensure the maintenance, possibly under stress, said probe 8 in its retaining position 12 of the locking finger 7 in its inactive position.

En conséquence, dans ce mode de réalisation le maintien dudit doigt de blocage 7 en position inactive jusqu'à finalisation du montage de la serrure sur la menuiserie est assuré par le palpeur 8, lui-même.Consequently, in this embodiment the holding of said locking finger 7 in the inactive position until finalization of the mounting of the lock on the joinery is provided by the probe 8, itself.

Il faut toutefois rappeler, que l'encoche de retenue 16A dans le pêne dormant 5 ne vient se positionner au devant de la barre de blocage 31 du cavalier 30, correspondant à ce doigt de blocage 7, qu'en position de verrouillage de ce pêne dormant 5.It should be remembered, however, that the retaining notch 16A in the dead bolt 5 is positioned in front of the locking bar 31 of the jumper 30, corresponding to the locking pin 7, in locking position of the bolt sleeping 5.

La suite de la description se rapporte au mode de réalisation correspondant à la figure 9 où le doigt de blocage 7 est défini par une bascule 33 montée en rotation dans le boîtier 2 autour d'un pivot 34 et soumis à des moyens de rappel élastique 11 en position de blocage de l'organe de verrouillage que défini le pêne dormant 5.The remainder of the description relates to the embodiment corresponding to the figure 9 where the blocking finger 7 is defined by a rocker 33 mounted in rotation in the housing 2 around a pivot 34 and subjected to elastic return means 11 in the locking position of the locking member that defines the dead bolt 5.

Ainsi, la bascule 33 comporte, d'un côté du pivot 34, une languette de retenue 22B prenant appui sur le rebord de retenu 21 à l'extrémité 20 du palpeur 8, et, de l'autre côté de ce pivot 34, un ergot de blocage 35 conçu pour venir coopérer, en position active de blocage, avec une encoche de retenu 16B au niveau de pêne dormant 5, lorsque celui-ci se trouve en position de verrouillage.Thus, the rocker 33 comprises, on one side of the pivot 34, a retaining tongue 22B bearing on the retaining rim 21 at the end 20 of the probe 8, and, on the other side of this pivot 34, a locking pin 35 designed to cooperate, in active locking position, with a retention notch 16B at the dead bolt 5, when it is in the locking position.

Quant aux moyens de rappel élastique 11, ils sont constitués, selon un exemple de réalisation, par un ressort 36 engagé sur le pivot 34 sur lequel est montée la bascule 33.As for the elastic return means 11, they are constituted, according to an embodiment, by a spring 36 engaged on the pivot 34 on which is mounted the rocker 33.

Le principe de fonctionnement d'un dispositif de sécurité correspondant à ce troisième mode de réalisation consiste en ce qu'en cas d'arrachement du barillet 4, suite à une tentative d'effraction, le palpeur 8, soumis à l'action des moyens de rappel élastiques 9, est repoussé, par déplacement ou rotation, depuis sa position de retenue 12, dans sa position de libération de la bascule 33. Cela consiste en ce que le rebord de retenu 21 à l'extrémité 20 du palpeur 8, s'efface devant la languette de retenue 22B de cette bascule 33, qui, étant soumis à l'action du ressort 36, pivote autour du pivot 34 d'où résulte l'engagement de l'ergot de blocage 35 dans l'encoche de retenue 16B du pêne dormant 5, nécessairement en position de verrouillage lors d'une telle tentative d'effraction.The principle of operation of a safety device corresponding to this third embodiment is that in case of tearing of the cylinder 4, following an attempted break-in, the probe 8, subjected to the action of the means resilient return means 9, is pushed, by displacement or rotation, from its retaining position 12, in its release position of the rocker 33. This consists in that the retaining rim 21 at the end 20 of the probe 8, s is erased in front of the retaining tongue 22B of this rocker 33, which, being subjected to the action of the spring 36, pivots about the pivot 34 which results in the engagement of the locking pin 35 in the retaining notch 16B of the deadbolt 5, necessarily in the locking position during such an attempted break-in.

Là encore les moyens de rappel élastique 9 agissant sur le palpeur 8 ne sont mis sous contrainte qu'au moment du serrage de la vis de fixation 10. Toutefois, tout comme évoqué précédemment, ces moyens de rappel élastique 9 peuvent être conçu pour, avant ce montage de la vis de fixation 10, exercer une action inverse et assurer le maintien, éventuellement sous contrainte, dudit palpeur 8 dans sa position de retenue 12 du doigt de blocage 7 dans sa position inactive.Again the elastic return means 9 acting on the probe 8 are only stressed when tightening the fastening screw 10. However, as mentioned above, these elastic return means 9 can be designed for, before this mounting of the fixing screw 10, exert a reverse action and ensure maintenance, possibly under stress, said probe 8 in its retaining position 12 of the locking finger 7 in its inactive position.

En somme, là encore il peut être prévu que le maintien dudit doigt de blocage 7 en position inactive jusqu'à finalisation du montage de la serrure sur la menuiserie soit assuré par le palpeur 8.In sum, again it can be provided that the holding of said locking finger 7 in the inactive position until finalization of the assembly of the lock on the joinery is provided by the probe 8.

On notera également que l'encoche de retenue 16B dans le pêne dormant 5 ne vient se positionner au devant de l'ergot de blocage 35 de la bascule 33, correspondant à ce doigt de blocage 7, qu'en position de verrouillage du pêne dormant 5.Note also that the retaining notch 16B in the dead bolt 5 is positioned in front of the locking pin 35 of the latch 33, corresponding to the locking pin 7, in locking position of the dead bolt 5.

Comme il est précisé plus haut, le doigt de blocage 7 a pour but de coopérer, en position active, avec au moins un organe de verrouillage 5 qui, dans les exemples retenus, est le pêne dormant. Toutefois, dans ce mode de réalisation représenté dans les figures 9 et 10, le doigt de blocage 7 est encore apte à coopérer avec un autre organe de verrouillage que constitue ici le chevalet 5A conçu pour retransmettre une commande du mécanisme de commande 3 d'une crémone-serrure, par exemple, sur une tringle de manoeuvre agissant sur des organe de verrouillage comme des rouleaux, pênes à crochet ou autres.As mentioned above, the locking pin 7 is intended to cooperate, in the active position, with at least one locking member 5 which, in the examples selected, is the deadbolt. However, in this embodiment shown in figures 9 and 10 , the locking pin 7 is further adapted to cooperate with another locking member that constitutes here the bridge 5A designed to retransmit a command of the control mechanism 3 of a espagnolette-lock, for example, on an operating rod acting on locking members such as rollers, hook bolts or the like.

Ainsi, selon un mode d'exécution de l'invention, la bascule 33, définissant le doigt de blocage 7, est, non seulement, montée en rotation autour du pivot 34 implanté dans le boîtier 2, mais, en outre, mobile axialement sur ce pivot 34, là encore entre une position inactive et une position active, sachant qu'elle est soumise à des moyens élastique de rappel 11 dans cette position active. Ces moyens de rappel élastique 11 ne sont autres que ceux exerçant un couple de rotation sur cette bascule 33 autour du pivot 34. Substantiellement, le ressort 36, définissant ces moyens de rappel élastique 11 et monté sur le pivot 34, est à spires non jointives, justement de manière apte à exercer, en même temps, une poussée axiale sur la bascule 33 en direction du chevalet 5A.Thus, according to one embodiment of the invention, the rocker 33, defining the locking pin 7, is not only mounted in rotation about the pivot 34 implanted in the housing 2, but, in addition, axially movable on this pivot 34, again between an inactive position and an active position, knowing that it is subjected to elastic return means 11 in this active position. These elastic return means 11 are other than those exerting a torque on this rocker 33 around the pivot 34. Substantially, the spring 36, defining these elastic return means 11 and mounted on the pivot 34, is non-contiguous turns , just in such a way as to exercise, in same time, an axial thrust on the rocker 33 towards the bridge 5A.

Du côté en regard de ce chevalet 5A, la bascule 33, correspondant au doigt de blocage 7, comporte au moins un ergot de blocage 35A qui, en position active dudit doigt de blocage 7, vient s'engager dans une ouverture 37 adaptée dans le chevalet 5A pour immobiliser ce dernier en position de verrouillage.On the side opposite this bridge 5A, the rocker 33, corresponding to the locking finger 7, comprises at least one locking pin 35A which, in the active position of said locking pin 7, engages in an opening 37 adapted in the bridge 5A to immobilize the latter in the locking position.

La bascule 33 est retenue axialement dans sa position inactive contre l'action du ressort 36 par l'intermédiaire d'une butée 38 sur le pivot 34. En fait, cette bascule 33 vient en appui au travers d'une butée complémentaire 39 sur cette butée 38 lorsqu'elle est dans sa position angulaire dans laquelle elle est maintenue inactive par le palpeur 8. A l'inverse, en cas d'arrachement du barillet 4 le palpeur 8 libère le doigt de blocage 7 correspondant à la bascule 33. Sous l'effet du couple de rappel exercé par le ressort 36, cette bascule 33 tourne autour du pivot 34, d'où résulte l'engagement de son ergot de blocage 35 dans l'encoche de retenue 16B dans le pêne dormant 5. En même temps, la butée complémentaire 39 s'efface devant la butée 38, permettant à cette bascule d'être repoussée axialement en direction du chevalet 5A, provoquant l'engagement de son ou ses ergots de blocage 35A dans la ou les ouvertures correspondantes dans ce chevalet 5A, donc son immobilisation en position de verrouillage.The rocker 33 is held axially in its inactive position against the action of the spring 36 by means of a stop 38 on the pivot 34. In fact, this rocker 33 bears against a complementary abutment 39 on this stop 38 when it is in its angular position in which it is kept inactive by the probe 8. Conversely, in case of tearing of the cylinder 4 the probe 8 releases the blocking finger 7 corresponding to the rocker 33. Under the effect of the return torque exerted by the spring 36, this rocker 33 rotates about the pivot 34, resulting in the engagement of its locking pin 35 in the retaining slot 16B in the dead bolt 5. At the same time time, the additional abutment 39 is erased in front of the abutment 38, allowing this latch to be pushed axially towards the bridge 5A, causing the engagement of its 35A locking pin (s) in the corresponding opening (s) in this bridge 5A, so its immobilization in the locking position.

Selon encore une autre particularité de l'invention, le dispositif de sécurité 6 comporte un dispositif bloqueur 40 comportant des moyens pour maintenir, directement ou indirectement le palpeur 8 en position de retenue du doigt de blocage 7, ces moyens étant définis sécables et/ou escamotables sous l'impulsion de la vis de fixation 10 et/ou de la mise sous contrainte des moyens de rappel élastique 9 agissant sur le palpeur 8. Par exemple, ce dispositif bloqueur 40 peut comporter une languette de retenue conçue pour immobiliser, dans cette position de retenue, le palpeur 8 dans la cage de guidage 29.According to yet another particularity of the invention, the security device 6 comprises a blocking device 40 comprising means for maintaining, directly or indirectly, the probe 8 in the retaining position of the locking finger 7, these means being defined as being divisible and / or retractable under the impetus of the fixing screw 10 and / or the stressing of the elastic return means 9 acting on the probe 8. For example, this blocking device 40 may comprise a retaining tongue designed to immobilize, in this retaining position, the probe 8 in the guide cage 29.

Selon un autre mode de réalisation, le dispositif bloqueur 40 est conçu pour agir sur la cage de guidage 29 de manière à maintenir cette dernière dans une position reculée par rapport au logement du barillet 4, empêchant ainsi le ressort 9 d'agir sur le palpeur 8, prisonnier dans cette cage de guidage 29. En somme, là encore, ce palpeur est maintenu en position de retenue. Par contre, lors de la mise en place de la vis de fixation 10, celle-ci vient repousser cette cage de guidage 29 et mettre sous contrainte le ressort 9, lequel repousse le palpeur 8 en contact avec le barillet 4. C'est au cours de cette course, nécessairement limité pour éviter que le palpeur 8 libère le doigt de blocage 7, qu'est sectionnée la languette de retenue dudit dispositif bloqueur 40.According to another embodiment, the blocking device 40 is designed to act on the guide cage 29 so as to maintain the latter in a retracted position relative to the housing of the barrel 4, thus preventing the spring 9 from acting on the probe 8, prisoner in this guide cage 29. In sum, again, this probe is held in the retaining position. By cons, during the establishment of the fixing screw 10, it comes to push this guide cage 29 and put under stress the spring 9, which pushes the feeler 8 in contact with the barrel 4. This is at course of this race, necessarily limited to prevent the probe 8 releases the blocking finger 7, that is sectioned the retaining tab of said blocking device 40.

L'avantage que procure ce dernier consiste à éviter tout risque, avant montage du barillet 4 dans la serrure ou crémone-serrure 1, que le dispositif de sécurité 6, en l'occurrence le doigt de blocage 7, soit libéré de manière intempestive, en rendant inopérant cette serrure ou crémone-serrure.The advantage of the latter is to avoid any risk, before mounting the cylinder 4 in the lock or espagnolette-lock 1, that the safety device 6, in this case the locking pin 7, is released unintentionally, by making this lock or espagnolette lock inoperative.

Si un tel dispositif bloqueur 40 de type sécable est parfaitement efficace avant un premier montage de la serrure ou crémone serrure, plus exactement avant la mise en place et la fixation d'un premier barillet, ses fonctions sont définitivement annihilées après. Ce qui pose le risque de blocage lors d'un nouveau démontage et remontage.If such a locking device 40 breakable type is fully effective before a first assembly of the lock or espagnolette lock, more precisely before the establishment and fixing of a first barrel, its functions are finally annihilated after. This poses the risk of blockage during a new disassembly and reassembly.

Pour cela il a été imaginé, conformément au mode de réalisation visible dans la figure 11, que ce dispositif bloqueur 40, au lieu d'être sécable, soit escamotable et sous forme d'un ressort bloqueur 41, avec une languette de retenue 42 agissant sous contrainte élastique sur la cage de guidage 29 en maintenant cette dernière dans une position reculée par rapport au logement du barillet 4, là encore pour empêcher que les moyens de rappel élastique 9 agissent sur le palpeur 8, prisonnier dans cette cage de guidage 29.For this it has been imagined, according to the embodiment visible in the figure 11 , that this blocking device 40, instead of being divisible, is retractable and in the form of a locking spring 41, with a retaining tongue 42 acting under elastic stress on the guide cage 29 while keeping the latter in a retracted position compared to housing of the barrel 4, again to prevent the elastic return means 9 from acting on the probe 8, trapped in this guide cage 29.

Finalement, comme il ressort de la description qui précède, une fois le barillet à clé 4 retiré, la personne tentant de s'infiltrer par effraction dans une habitation ne peut que constater que ses agissements sur le mécanisme de la serrure n'ont aucune conséquence sur le déverrouillage de cette dernière.Finally, as can be seen from the foregoing description, once the key cylinder 4 has been removed, the person attempting to break into a dwelling can only find that his actions on the lock mechanism have no consequence. on the unlocking of the latter.

De plus, l'interposition du palpeur de commande entre l'ouverture de ce barillet à clé dans le boîtier 2 de la serrure 1 et le doigt de blocage 7 rend celui-ci totalement inaccessible et quand bien même il l'était, les moyens de rappel élastiques 11 agissant sur ce doigt de blocage peuvent être d'une raideur telle qu'il soit impossible de le repousser dans une direction quelconque, du moins sans démontage de la serrure 1.In addition, the interposition of the control probe between the opening of the key cylinder in the housing 2 of the lock 1 and the locking pin 7 makes it completely inaccessible and even if it was, the means resilient return 11 acting on this locking finger can be of such a stiffness that it is impossible to push it in any direction, at least without disassembly of the lock 1.

Claims (24)

Serrure ou crémone-serrure comportant un boîtier (2) conçu apte à recevoir un barillet à clé (4) pour la commande de verrouillage et de déverrouillage d'au moins un organe de verrouillage (5), tel qu'un pêne dormant ou organe similaire, comportant un dispositif de sécurité (6) qui, au travers d'un doigt de blocage (7), est conçu apte à assurer le maintien en position verrouillée d'au moins un organe de verrouillage (5, 5A) sous la commande d'un palpeur de commande (8) coopérant avec le barillet à clé (4), caractérisé par le fait que le palpeur de commande (8) est conçu apte à venir en appui sur le barillet (4) au travers d'au moins un point de contact (8A et 8B), de chaque côté du plan médian (P) de la serrure (1) pour assurer le maintien inactif du doigt de blocage (7) en présence du barillet (4) et, en cas de rupture et/ou de retrait de ce dernier, pour libérer ledit doigt de blocage (7).Lock or espagnolette-lock comprising a housing (2) designed adapted to receive a key cylinder (4) for the control of locking and unlocking of at least one locking member (5), such as a dead bolt or organ similar, comprising a safety device (6) which, through a locking pin (7), is designed to hold in the locked position at least one locking member (5, 5A) under the control a control probe (8) cooperating with the key cylinder (4), characterized in that the control sensor (8) is designed to bear on the barrel (4) through at least a point of contact (8A and 8B) on each side of the median plane (P) of the lock (1) to ensure that the locking pin (7) is held inactive in the presence of the barrel (4) and, in case of rupture and / or removing the latter, to release said locking finger (7). Serrure ou crémone-serrure selon la revendication 1,
caractérisée par le fait qu'un point de contact (8A ; 8B) vient en appui sur le barillet (4) de part et d'autre d'un trou taraudé (25) ménagé dans ce dernier pour la réception d'une la vis définissant des moyens (10) assurant la fixation de ce barillet (4) dans le boîtier (2) de la serrure.Lock or espagnolette lock according to claim 1,
characterized in that a contact point (8A; 8B) abuts on the barrel (4) on either side of a threaded hole (25) formed in the latter for receiving a screw defining means (10) for fixing this barrel (4) in the housing (2) of the lock. Serrure ou crémone-serrure selon la revendication 1 ou 2, caractérisée par le fait que le palpeur de commande (8) emprunte à son extrémité (20A) prévue pour coopérer avec le dit barillet (4), la forme d'une fourche à deux branches (8' et 8"), chacune définissant un point de contact (8A et 8B).Lock or espagnolette lock according to claim 1 or 2, characterized in that the control probe (8) borrows at its end (20A) provided to cooperate with said barrel (4), the shape of a fork to two branches (8 'and 8 "), each defining a point of contact (8A and 8B). Serrure ou crémone-serrure selon la revendication 1 ou 2, caractérisée par le fait que le palpeur est subdivisé en deux parties, chacune agissant indépendamment en venant en appui sur le barillet (4), respectivement d'un côté et de l'autre du plan médian (P) de la serrure (1), et en assurant le maintien inactif du doigt de blocage (7) en présence du barillet (4), tout en étant apte, en cas de rupture et/ou de retrait de ce dernier, à libérer ledit doigt de blocage (7).Lock or espagnolette lock according to claim 1 or 2, characterized in that the probe is subdivided into two parts, each acting independently by bearing on the barrel (4), respectively on one side and the other of the median plane (P) of the lock (1), and keeping it inactive locking finger (7) in the presence of the barrel (4), while being able, in the event of rupture and / or withdrawal of the latter, to release said locking finger (7). Serrure ou crémone-serrure selon l'une quelconque des revendications précédentes, caractérisée par le fait que le palpeur de commande (8) est monté mobile dans le boîtier (2) de la serrure (1) suivant une direction perpendiculaire à la direction de déplacement du doigt de blocage (7) et/ou pivotant autour d'un axe (A) approximativement perpendiculaire au plan perpendiculaire au barillet (4) passant par les deux points de contacts (8A, 8B) dudit palpeur de commande (8) sur ce dernier.Lock or espagnolette lock according to any one of the preceding claims, characterized in that the control probe (8) is movably mounted in the housing (2) of the lock (1) in a direction perpendicular to the direction of movement. a locking finger (7) and / or pivoting about an axis (A) approximately perpendicular to the plane perpendicular to the barrel (4) passing through the two contact points (8A, 8B) of said control probe (8) on this latest. Serrure ou crémone-serrure selon l'une quelconque des revendications précédentes, caractérisée par le fait que le palpeur de commande (8) comporte à une extrémité (20) un rebord de retenue (21) sur lequel est défini apte à prendre appui un décrochement ou une languette de retenue (22, 22A, 22B) que comporte le doigt de blocage (7).Lock or espagnolette-lock according to any one of the preceding claims, characterized in that the control probe (8) comprises at one end (20) a retaining rim (21) on which is defined able to bear a recess or a retaining tab (22, 22A, 22B) that includes the locking finger (7). Serrure ou crémone-serrure selon l'une quelconque des revendications précédentes, caractérisée par fait que, dans une position de retenue (12), le palpeur de commande (8) maintien le doigt de blocage (7) dans une position inactive, des moyens de rappel élastiques (9) agissant sur ce palpeur de commande (8) pour repousser ce dernier depuis sa position de retenue (12) en direction d'une position (13) de libération du doigt de blocage (7).Lock or espagnolette-lock according to any one of the preceding claims, characterized in that, in a retaining position (12), the control probe (8) holds the locking pin (7) in an inactive position, means resilient return means (9) acting on this control probe (8) to push the latter from its retaining position (12) towards a position (13) for releasing the locking finger (7). Serrure ou crémone-serrure selon la revendication 7,
caractérisée par le fait que les moyens de rappel élastiques (9) agissant sur le palpeur de commande (8) sont conçus aptes à être mis sous contrainte au travers des moyens de fixation (10) du barillet à clé (4) dans le boîtier (2).Lock or espagnolette lock according to Claim 7,
characterized by the fact that the elastic return means (9) acting on the control probe (8) are designed to be constrained through the fastening means (10) of the key cylinder (4) in the housing ( 2). Serrure ou crémone-serrure selon la revendication 8, comportant en tant que moyen de fixation du barillet à clé (4) une vis de fixation introduite dans le boîtier (2) au travers d'une ouverture (23) dans une têtière (24) refermant ce dernier en partie avant (14), caractérisée par le fait que les moyens de rappel élastiques (9) se présentent sous forme d'une ressort hélicoïdal monté sur ladite vis de fixation (10), sur cette dernière étant encore engagé, entre une tête de vis (26) et ledit ressort (9), une butée de mise sous tension (27), notamment sous forme d'une douille, de manière apte à mettre sous contrainte ledit ressort (9) lors de la fixation du barillet à clé (4).Lock or espagnolette lock according to claim 8, comprising as fixing means of the key cylinder (4) a fixing screw inserted into the housing (2) through an opening (23) in a headrest (24). closing the latter in the front part (14), characterized in that the elastic return means (9) are in the form of a helical spring mounted on said fixing screw (10), on the latter being still engaged, between a screw head (26) and said spring (9), a tensioning abutment (27), in particular in the form of a sleeve, so as to put said spring (9) under stress when fixing the barrel with key (4). Serrure ou crémone-serrure selon la revendication 9,
caractérisée par le fait que du côté de son extrémité opposée à la douille (27), le ressort hélicoïdal (9) prend appui sur un rebord d'appui adapté au niveau du palpeur de commande (8).Lock or espagnolette lock according to claim 9,
characterized in that on the side of its opposite end to the sleeve (27), the coil spring (9) bears on a bearing flange adapted to the level of the control sensor (8). Serrure ou crémone-serrure, selon la revendication 9 ou 9, caractérisée par le fait que le dispositif de sécurité (6) comporte, pour le montage dans le boîtier (2), une cage de guidage (29) du palpeur de commande (8), cage conçue apte à être traversée par ladite vis de fixation (10).Lock or espagnolette lock according to claim 9 or 9, characterized in that the safety device (6) comprises, for mounting in the housing (2), a guide cage (29) of the control probe (8). ), designed cage adapted to be traversed by said fixing screw (10). Serrure ou crémone-serrure selon la revendication 5 et 11, caractérisée par le fait que le palpeur de commande (8) est monté en rotation autour de l'axe (A) dans la cage de guidage (29).Lock or espagnolette lock according to claim 5 and 11, characterized in that the control probe (8) is rotatably mounted about the axis (A) in the guide cage (29). Serrure ou crémone-serrure selon la revendication 12, caractérisée par le fait que le palpeur de commande (8) comporte une lumière (43) avec laquelle est à même de coïncider un ergot de pivotement (44) en forme de goutte d'eau effilé en direction opposée au barillet (4), ladite lumière comportant une forme complémentaire à cet ergot (44) à son extrémité opposée audit barillet (4).Lock or espagnolette lock according to Claim 12, characterized in that the control probe (8) has a slot (43) with which a tapered spigot (44) in the form of a tapered water droplet can coincide. in a direction opposite to the barrel (4), said light having a shape complementary to this lug (44) at its end opposite said barrel (4). Serrure ou crémone-serrure selon l'une quelconque des revendications précédentes, caractérisée par fait que, dans une position de retenue (12), le palpeur de commande (8) maintien le doigt de blocage (7) dans une position inactive, contre l'action de moyens de rappel élastiques (11) agissant sur ce doigt de blocage (7).Lock or espagnolette lock according to any one of the preceding claims, characterized in that, in a retaining position (12), the control probe (8) holds the locking pin (7) in an inactive position, against the action of elastic return means (11) acting on this locking pin (7). Serrure ou crémone-serrure selon l'une quelconque des revendications 1 à 12, caractérisée par fait que, dans une position de retenue (12), le palpeur de commande (8) maintien dans une position inactive le doigt de blocage (7) défini apte à retomber librement, sous l'effet de la gravité, pour assurer le maintien en position verrouillée dudit organe de verrouillage (5) en cas d'effacement du palpeur de commande (8).Lock or espagnolette lock according to any one of claims 1 to 12, characterized in that, in a retaining position (12), the control probe (8) maintains in an inactive position the locking pin (7) defined adapted to fall freely, under the effect of gravity, to maintain the locked position in said locking member (5) in case of erasure of the control probe (8). Serrure ou crémone-serrure selon les revendications 14, caractérisée par le fait que le doigt de blocage (7) prend position dans logement de guidage (19) dans le boîtier (2) et comporte une extrémité (15) conçue apte à venir s'engager dans une lumière ou une découpe (16) dudit organe de verrouillage (5) lorsque celui-ci est en position de verrouillage, sur l'extrémité opposée (17) de ce doigt de blocage (7) agissant les moyens de rappel élastiques (11).Lock or espagnolette lock according to claims 14, characterized in that the locking pin (7) assumes a position in the guide housing (19) in the housing (2) and has an end (15) designed to be adapted engage in a light or a cutout (16) of said locking member (5) when it is in the locking position, on the opposite end (17) of this locking pin (7) acting the elastic return means ( 11). Serrure ou crémone-serrure la revendication 15, caractérisée par le fait que le doigt de blocage (7) se présente sous forme d'un cavalier (30) monté coulissant, verticalement, dans le boîtier (2) et comporte une barre de blocage (31) de manière apte à coopérer, en position de verrouillage de l'organe de verrouillage (5), avec une encoche de retenue (16A) que comporte celui-ci, ce cavalier (30) comportant également une languette de retenue (22A) venant en appui sur l'extrémité (20) du palpeur (8) définissant un rebord de retenu (21).Lock or espagnolette lock according to claim 15, characterized in that the locking pin (7) is in the form of a jumper (30) slidably mounted vertically in the housing (2) and comprises a locking bar ( 31) in such a way as to cooperate, in the locking position of the locking member (5), with a retaining notch (16A) that it comprises, this jumper (30) also comprising a retaining tab (22A) bearing on the end (20) of the probe (8) defining a retaining rim (21). Serrure ou crémone-serrure selon la revendication 17, caractérisée par le fait que le cavalier (30) est monté coulissant à l'arrière d'une têtière (24).Lock or espagnolette lock according to claim 17, characterized in that the rider (30) is slidably mounted at the rear of a headrest (24). Serrure ou crémone-serrure selon les revendications 4 et 14, caractérisée par le fait que le doigt de blocage (7) est défini par une bascule (33) montée en rotation dans le boîtier (2) et comportant, d'un côté d'un pivot (34), la languette de retenue (22B) prenant appui sur le rebord de retenu (21) du palpeur (8), et, de l'autre côté de ce pivot (34), un ergot de blocage (35) conçu pour venir coopérer, en position active de blocage, avec une encoche de retenu (16B) au niveau de l'organe de verrouillage (5), lorsque celui-ci se trouve en position de verrouillage.Lock or espagnolette lock according to claims 4 and 14, characterized in that the locking pin (7) is defined by a rocker (33) rotatably mounted in the housing (2) and having on one side a pivot (34), the retaining tongue (22B) bearing on the retaining flange (21) of the probe (8), and on the other side of this pivot (34), a locking lug (35) designed to cooperate, in active locking position, with a retaining slot (16B) at the locking member (5), when the latter is in the locking position. Serrure ou crémone-serrure selon la revendication 19, caractérisée par le fait que la bascule (33) est montée mobile axialement sur le pivot (34), et soumise à des moyens élastique de rappel (11) dans une position active de blocage d'un organe de verrouillage (5A).Lock or espagnolette lock according to claim 19, characterized in that the rocker (33) is mounted axially movable on the pivot (34), and subjected to elastic return means (11) in an active locking position of a locking member (5A). Serrure ou crémone-serrure selon la revendication 17, caractérisée par le fait que les moyens de rappel élastique (11) sont définis par un ressort (36) à spires non jointives monté sur le pivot (34) de manière apte à exercer simultanément sur la bascule (33) un couple de rotation autour du pivot (34) et une poussée axiale en direction d'un organe de verrouillage (5A), en regard duquel la bascule (33) comporte au moins un ergot de blocage (35A) qui, en position active dudit doigt de blocage (7), vient s'engager dans une ouverture (37) adaptée dans cet organe de verrouillage (5A) pour immobiliser ce dernier en position de verrouillage.Lock or espagnolette lock according to claim 17, characterized in that the elastic return means (11) are defined by a spring (36) with non-contiguous turns mounted on the pivot (34) in such a way as to simultaneously exert on the rocker (33) a torque around the pivot (34) and an axial thrust towards a locking member (5A), opposite which the rocker (33) comprises at least one locking pin (35A) which, in the active position of said locking pin (7), is engaged in an opening (37) adapted in this locking member (5A) to immobilize the latter in the locking position. Serrure ou crémone-serrure selon la revendication 21, caractérisée par le fait que le pivot (34) comporte une butée (38) sur laquelle prend en appui la bascule (33) au travers d'une butée (38) pour retenir axialement cette bascule (33) dans sa position inactive contre l'action du ressort (36).Lock or espagnolette lock according to claim 21, characterized in that the pivot (34) comprises an abutment (38) on which the rocker (33) bears a stop (38) for axially retaining this rocker (33) in its inactive position against the action of the spring (36). Serrure ou crémone-serrure selon l'une quelconque des revendications précédentes, caractérisée par le fait que le dispositif de sécurité (6) comporte un dispositif bloqueur (40) comportant des moyens pour maintenir, directement ou indirectement le palpeur (8) en position de retenue du doigt de blocage (7), ces moyens de maintien étant définis escamotable et/ou sécable.Lock or espagnolette-lock according to any one of the preceding claims, characterized in that the safety device (6) comprises a locking device (40) comprising means for maintaining, directly or indirectly, the sensor (8) in a position of retaining the locking finger (7), these holding means being defined retractable and / or breakable. Serrure ou crémone-serrure selon la revendication 23, caractérisée par le fait que lesdits moyens de maintien du palpeur (8) en position de retenue du doigt de blocage (7) sont définis sécables et/ou escamotables sous l'impulsion de la vis de fixation (10) et/ou de la mise sous contrainte des moyens de rappel élastique (9) agissant sur le palpeur (8).Lock or espagnolette-lock according to claim 23, characterized in that said holding means of the probe (8) in the retaining position of the locking pin (7) are defined to be divisible and / or retractable under the impulse of the screw of fixing (10) and / or stressing the elastic return means (9) acting on the probe (8).
EP20080305817 2007-11-22 2008-11-20 Espagnolette or espagnolette-lock Active EP2063053B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0759239 2007-11-22

Publications (3)

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EP2063053A2 true EP2063053A2 (en) 2009-05-27
EP2063053A3 EP2063053A3 (en) 2009-09-23
EP2063053B1 EP2063053B1 (en) 2013-04-10

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EP20080305817 Active EP2063053B1 (en) 2007-11-22 2008-11-20 Espagnolette or espagnolette-lock

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PT (1) PT2063053E (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2367736A1 (en) * 2011-04-12 2011-11-08 Santiago Niembro Zárraga Anti-theft post-break system for locks. (Machine-translation by Google Translate, not legally binding)
FR2973417A1 (en) * 2011-04-04 2012-10-05 Thirard Ets Lock i.e. built-in type lock, for door, has activating unit for positioning locking unit in active and inactive positions respectively when fixing rod is inserted into and removed from profiled cylinder of actuating unit
FR3076314A1 (en) 2017-11-17 2019-07-05 Am-Alfredo Marques, Sa LOCK WITH BLOCKING ANTI-ENCOUNTER
FR3078733A1 (en) * 2018-03-08 2019-09-13 Assa Abloy Aube Anjou SAFETY DEVICE FOR DORMANT PITCH LOCK

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE9208797U1 (en) 1992-07-01 1993-11-04 Bks Gmbh, 42549 Velbert Mortise lock with additional blocking device for the locking bolt

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE8325171U1 (en) * 1983-09-01 1992-04-02 Kirchmann-Niederdrenk Kg Gmbh & Co, 5628 Heiligenhaus Lock
PT102471A (en) * 2000-05-23 2001-11-30 Marques S A DEVICE FOR A CYLINDER PROTECTOR PROVIDED LOCK AND MOUNTING PROCEDURE THEREOF

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE9208797U1 (en) 1992-07-01 1993-11-04 Bks Gmbh, 42549 Velbert Mortise lock with additional blocking device for the locking bolt

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2973417A1 (en) * 2011-04-04 2012-10-05 Thirard Ets Lock i.e. built-in type lock, for door, has activating unit for positioning locking unit in active and inactive positions respectively when fixing rod is inserted into and removed from profiled cylinder of actuating unit
ES2367736A1 (en) * 2011-04-12 2011-11-08 Santiago Niembro Zárraga Anti-theft post-break system for locks. (Machine-translation by Google Translate, not legally binding)
FR3076314A1 (en) 2017-11-17 2019-07-05 Am-Alfredo Marques, Sa LOCK WITH BLOCKING ANTI-ENCOUNTER
FR3078733A1 (en) * 2018-03-08 2019-09-13 Assa Abloy Aube Anjou SAFETY DEVICE FOR DORMANT PITCH LOCK

Also Published As

Publication number Publication date
EP2063053B1 (en) 2013-04-10
PT2063053E (en) 2013-07-16
EP2063053A3 (en) 2009-09-23

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