EP0942125A1 - Cylinder lock with safety device against cutting off - Google Patents

Cylinder lock with safety device against cutting off Download PDF

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Publication number
EP0942125A1
EP0942125A1 EP99400504A EP99400504A EP0942125A1 EP 0942125 A1 EP0942125 A1 EP 0942125A1 EP 99400504 A EP99400504 A EP 99400504A EP 99400504 A EP99400504 A EP 99400504A EP 0942125 A1 EP0942125 A1 EP 0942125A1
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EP
European Patent Office
Prior art keywords
barrel
tube
lock
lock according
lever
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
EP99400504A
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German (de)
French (fr)
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EP0942125B1 (en
Inventor
James Guy Muel
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.)
Serrures Muel
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Serrures Muel
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Publication of EP0942125A1 publication Critical patent/EP0942125A1/en
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Publication of EP0942125B1 publication Critical patent/EP0942125B1/en
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    • 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
    • E05B15/00—Other details of locks; Parts for engagement by bolts of fastening devices
    • E05B15/16—Use of special materials for parts of locks
    • E05B15/1614—Use of special materials for parts of locks of hard materials, to prevent drilling
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B15/00—Other details of locks; Parts for engagement by bolts of fastening devices
    • E05B15/16—Use of special materials for parts of locks
    • E05B15/1614—Use of special materials for parts of locks of hard materials, to prevent drilling
    • E05B2015/1628—Free-rotating protecting covers or discs

Definitions

  • the present invention relates to a rotary barrel lock comprising a chest containing the lock mechanism, a barrel turning protruding from the trunk to the outside for actuation of the mechanism using a key, and a barrel protector connected to the trunk and surrounding the barrel laterally and at its end exterior front, leaving a key entry clear.
  • the present invention relates to a rotary barrel lock equipped a safety device which locks the lock in the closed position if the barrel protector is cut off.
  • the rotary barrel lock object of the invention comprises a tube movable in translation between the lateral surface of the barrel and the barrel protector, an ejector spring biasing said tube towards from the outer front end of the barrel, and means cooperating with said tube and with the mechanism of the lock so as to block this last in the closed position when moving said tube towards the outside, under the action of said spring, after cutting off the barrel protector.
  • Said means cooperating with the tube and with the mechanism of the lock may advantageously comprise a pivotally mounted lever around an axis parallel to the axis of the barrel, lever including a first end cooperates with the tube and the second end of which has a locking tooth blocking the lock when the tube is moved after parting off of the barrel protector.
  • a locking spring biases the lever in the blocking direction.
  • said means further comprise a pin mounted movable in translation parallel to the axis of the barrel in a fixed interior part of the lock, one end said pin being applied against the inner end of said tube by the ejector spring, while the other end passes through said part inner fixed and cooperates with the first end of the lever to keep the latter out of the locked position.
  • Said pawn can advantageously comprise a traversing axis the fixed part of the lock and a head bearing against the tube, the spring ejector being interposed between said head and the fixed part of the lock.
  • the tube can be advantageously divided into two sections kept at an axial distance, one on the other by a lug.
  • the section of tube turned towards the outside has an inner rim.
  • This section of tube turned towards the outside can advantageously be produced in the form of a hard metal base, by carbide example.
  • the cylinder lock or revolving barrel as illustrated by Figures 1 and 2 is a surface-mounted lock, the mechanism of which is locked in a trunk 1.
  • the headrest 2 which projection on the trunk 1 towards the exterior side, i.e. towards the door not shown on which the lock is mounted on the surface, from the side interior, as well as the removable sheet 3 by which the trunk 1 is closed from exterior side.
  • the mechanism of the lock is intended to actuate a bolt 4.
  • the lock includes an inner barrel 5 and an outer barrel 6, the first protruding from the trunk 1 towards the interior side and the other towards the outer side.
  • the outer barrel 6 is surrounded by a barrel protector 7 connected to the trunk 1 and surrounding the outer barrel 6 laterally and at its outer front end, thanks to an inner rim 8 which delimits key entry 10.
  • the barrel protector 7 is turning.
  • the side wall 9 and the rim 8 of the barrel protector 7 surround the barrel 6 radially and axially at a distance.
  • a piece 11 in the form of a section of tube with an inner rim is interposed, with axial and angular mobility, in the end zone free of the barrel 6, between the latter and the protector 7, both at the level of the side wall 9 and rim 8 of the protector 7.
  • a section of tube 12 is interposed with mobility axial and angular between the barrel 6 and the side wall 9 of the protector 7, as far as the boot 1, the section 12 being kept at an axial distance from the section 11 by a flat pin 13 fitted in a notch 14 formed in section 12 at its end facing section 11 (see figure 3).
  • the section 12 is pushed towards the section 11 itself pushed against the rim 8 of the protector 9, by a pin 15 which includes a head 16 with L-shaped profile and a pin 17 mounted movable in translation in a mounting plate 18 (lock) of the lock, a compression spring 19 threaded on the axis 15 being interposed between the head 16 and the plate 18. It is therefore this spring 19 which, by acting on the head 16 of the pin 15, pushes the two tube sections 12 and 11 against the inner rim 8 of the protector 7 of the outer barrel 6.
  • a lever 20 is pivotally mounted around an axis 21 parallel to the axis of the barrel 6 between the plate 18 and the inner face of the trunk 1, in below the tail 22 of the bolt 4.
  • the lever 20 comprises a lever arm 23 long and a lever arm 24 short.
  • the long lever arm 23 is in support against the axis 17 of the pin 15, protruding from the plate 18, and the lever arm 24 short due to the presence of door, at its free end, a tooth 25 which, as long as the arm 23 of the lever 20 is in abutment against the axis 17, is kept out of contact with the tail 22 of the bolt 4.
  • the tail 22 of the bolt 4 has a notch 26 arranged in such a way that when the bolt 4 is in the closed position, the notch 26 is located opposite the tooth 25 of lever 20.
  • a torsion spring not shown may be provided to act on the lever 20 in the direction indicated by an arrow 27 in Figure 2, that is to say the direction in which the arm 23 of the lever 20 is pushed against the axis 17 of the pawn 15.
  • the lock is thus locked in the closed position.
  • the lever 20 and the pin 15 can be replaced by means equivalents performing the same functions as these elements.
  • the section of tube 11 in the form of a base can be advantageously made of hard metal, preferably carbide.
  • the invention is also applicable equally to all types of rotary barrel locks, for example pump or pin locks.
  • the invention is also applicable to single revolving barrel locks.

Abstract

The lock has a housing (1) enclosing the lock mechanism. A rotary barrel (6) projects outwards from the housing and operates the lock mechanism by a key, and a barrel protector (7) surrounding the sides of the barrel and connected to the housing and having an opening (10) for the key. An axially moving tube (11,12) is fitted between the barrel side wall and the protector, and an ejector spring (19) urges the tube towards the front outer end of the barrel. In the event of the barrel protector being cut the tube is moved outwards by the spring and the lock mechanism is fixed in the locked position by a pin (15) and lever (20).

Description

La présente invention se rapport à une serrure à canon tournant comprenant un coffre renfermant le mécanisme de la serrure, un canon tournant faisant saillie sur le coffre vers le côté extérieur pour l'actionnement du mécanisme à l'aide d'une clé, et un protecteur de canon relié au coffre et entourant le canon latéralement et à son extrémité frontale extérieure, en laissant dégagée une entrée de clé.The present invention relates to a rotary barrel lock comprising a chest containing the lock mechanism, a barrel turning protruding from the trunk to the outside for actuation of the mechanism using a key, and a barrel protector connected to the trunk and surrounding the barrel laterally and at its end exterior front, leaving a key entry clear.

Lorsqu'une telle serrure est posée de l'intérieur en applique sur une porte, le canon dépasse plus ou moins la face extérieure de la porte, en fonction de l'épaisseur de cette dernière. Si ce dépassement est trop important, il est possible de tronçonner le canon et son protecteur par exemple à l'aide d'une machine portative type meuleuse équipée d'un disque abrasif. Après tronçonnage, il est possible de retirer vers l'extérieur la sûreté du canon pour avoir accès au mécanisme de la serrure.When such a lock is installed from the inside, apply to a door, the barrel more or less exceeds the outside face of the door, in depending on the thickness of the latter. If this excess is too much important, it is possible to cut off the barrel and its protector by example using a portable grinder type machine equipped with a disc abrasive. After cutting, it is possible to remove outwards the barrel safety to gain access to the lock mechanism.

La présente invention vise une serrure à canon tournant équipée d'un dispositif de sécurité qui bloque la serrure en position de fermeture en cas de tronçonnage du protecteur de canon.The present invention relates to a rotary barrel lock equipped a safety device which locks the lock in the closed position if the barrel protector is cut off.

La serrure à canon tournant objet de l'invention comprend un tube mobile en translation entre la surface latérale du canon et le protecteur de canon, un ressort éjecteur sollicitant ledit tube en direction de l'extrémité frontale extérieure du canon, et des moyens coopérant avec ledit tube et avec le mécanisme de la serrure de manière à bloquer cette dernière en position de fermeture lors du déplacement dudit tube vers le côté extérieur, sous l'action dudit ressort, après tronçonnage du protecteur de canon.The rotary barrel lock object of the invention comprises a tube movable in translation between the lateral surface of the barrel and the barrel protector, an ejector spring biasing said tube towards from the outer front end of the barrel, and means cooperating with said tube and with the mechanism of the lock so as to block this last in the closed position when moving said tube towards the outside, under the action of said spring, after cutting off the barrel protector.

Lesdits moyens coopérant avec le tube et avec le mécanisme de la serrure peuvent avantageusement comprendre un levier monté pivotant autour d'un axe parallèle à l'axe du canon, levier dont une première extrémité coopère avec le tube et dont la seconde extrémité comporte une dent de blocage bloquant la serrure lors du déplacement du tube après tronçonnage du protecteur de canon.Said means cooperating with the tube and with the mechanism of the lock may advantageously comprise a pivotally mounted lever around an axis parallel to the axis of the barrel, lever including a first end cooperates with the tube and the second end of which has a locking tooth blocking the lock when the tube is moved after parting off of the barrel protector.

De préférence, un ressort de blocage sollicite le levier dans le sens de blocage.Preferably, a locking spring biases the lever in the blocking direction.

Suivant un mode de réalisation préféré, lesdits moyens comprennent, en outre, un pion monté mobile en translation parallèlement à l'axe du canon dans une pièce intérieure fixe de la serrure, une extrémité dudit pion étant appliqué contre l'extrémité intérieure dudit tube par le ressort éjecteur, tandis que l'autre extrémité traverse ladite pièce intérieure fixe et coopère avec la première extrémité du levier pour maintenir ce dernier hors de la position de blocage.According to a preferred embodiment, said means further comprise a pin mounted movable in translation parallel to the axis of the barrel in a fixed interior part of the lock, one end said pin being applied against the inner end of said tube by the ejector spring, while the other end passes through said part inner fixed and cooperates with the first end of the lever to keep the latter out of the locked position.

Ledit pion peut avantageusement comprendre un axe traversant la pièce fixe de la serrure et une tête portant contre le tube, le ressort éjecteur étant intercalé entre ladite tête et la pièce fixe de la serrure.Said pawn can advantageously comprise a traversing axis the fixed part of the lock and a head bearing against the tube, the spring ejector being interposed between said head and the fixed part of the lock.

Pour améliorer encore la sécurité, le tube peut être avantageusement divisé en deux tronçons maintenus à distance axiale l'un de l'autre par un ergot.To further improve safety, the tube can be advantageously divided into two sections kept at an axial distance, one on the other by a lug.

De préférence, le tronçon de tube tourné vers le côté extérieur comporte un rebord intérieur.Preferably, the section of tube turned towards the outside has an inner rim.

Ce tronçon de tube tourné vers le côté extérieur peut avantageusement être réalisé sous la forme d'un culot en métal dur, par exemple en carbure.This section of tube turned towards the outside can advantageously be produced in the form of a hard metal base, by carbide example.

Bien que l'invention soit applicable également à des serrures à protecteur de canon fixe, elle trouve une application particulièrement avantageuse sur des serrures à protecteur de canon mobile en rotation.Although the invention is also applicable to locks with fixed barrel protector, it finds a particularly application advantageous on locks with rotating barrel protector.

En se référant aux dessins schématiques annexés, on va décrire ci-après plus en détail un mode de réalisation illustratif et non limitatif d'une serrure conforme à l'invention.Referring to the accompanying schematic drawings, we will describe below in more detail an illustrative and nonlimiting embodiment a lock according to the invention.

Sur les dessins :

  • la figure 1 est une vue de dessous, partiellement en coupe, d'une serrure conforme à l'invention ;
  • la figure 2 est une vue extérieure, partiellement en coupe suivant II-II suivant de la figure 1 ;
  • la figure 3 représente les différents éléments du dispositif de sécurité de la serrure suivant les figures 1 et 2.
    • In the drawings:
  • Figure 1 is a bottom view, partially in section, of a lock according to the invention;
  • Figure 2 is an external view, partially in section along II-II according to Figure 1;
  • FIG. 3 represents the various elements of the security device of the lock according to FIGS. 1 and 2.

    • La serrure à cylindre ou canon tournant telle qu'illustrée par les figures 1 et 2 est une serrure à pose en applique, dont le mécanisme est enfermé dans un coffre 1. On reconnaít en particulier la tétière 2 qui fait saillie sur le coffre 1 vers le côté extérieur, c'est-à-dire vers la porte non représentée sur laquelle la serrure est montée en applique, depuis le côté intérieur, ainsi que la tôle 3 amovible par laquelle le coffre 1 est fermé du côté extérieur. Le mécanisme de la serrure est destiné à actionner un pêne 4.The cylinder lock or revolving barrel as illustrated by Figures 1 and 2 is a surface-mounted lock, the mechanism of which is locked in a trunk 1. We recognize in particular the headrest 2 which projection on the trunk 1 towards the exterior side, i.e. towards the door not shown on which the lock is mounted on the surface, from the side interior, as well as the removable sheet 3 by which the trunk 1 is closed from exterior side. The mechanism of the lock is intended to actuate a bolt 4.

    La serrure comprend un canon intérieur 5 et un canon extérieur 6, le premier faisant saillie sur le coffre 1 vers le côté intérieur et l'autre vers le côté extérieur. Le canon extérieur 6 est entouré d'un protecteur de canon 7 relié au coffre 1 et entourant le canon extérieur 6 latéralement et à son extrémité frontale extérieure, grâce à un rebord intérieur 8 qui délimite l'entrée de clé 10.The lock includes an inner barrel 5 and an outer barrel 6, the first protruding from the trunk 1 towards the interior side and the other towards the outer side. The outer barrel 6 is surrounded by a barrel protector 7 connected to the trunk 1 and surrounding the outer barrel 6 laterally and at its outer front end, thanks to an inner rim 8 which delimits key entry 10.

    Dans l'exemple de réalisation représenté, le protecteur de canon 7 est tournant.In the embodiment shown, the barrel protector 7 is turning.

    La paroi latérale 9 et le rebord 8 du protecteur de canon 7 entourent le canon 6 radialement et axialement à distance.The side wall 9 and the rim 8 of the barrel protector 7 surround the barrel 6 radially and axially at a distance.

    Une pièce 11 en forme de tronçon de tube à rebord intérieur est intercalée, avec mobilité axiale et angulaire, dans la zone d'extrémité libre du canon 6, entre ce dernier et le protecteur 7, à la fois au niveau de la paroi latérale 9 et du rebord 8 du protecteur 7.A piece 11 in the form of a section of tube with an inner rim is interposed, with axial and angular mobility, in the end zone free of the barrel 6, between the latter and the protector 7, both at the level of the side wall 9 and rim 8 of the protector 7.

    Par ailleurs, un tronçon de tube 12 est intercalé avec mobilité axiale et angulaire entre le canon 6 et la paroi latérale 9 du protecteur 7, jusque dans le coffre 1, le tronçon 12 étant maintenu à distance axiale du tronçon 11 par un ergot 13 plat emboíté dans une échancrure 14 ménagée dans le tronçon 12 à son extrémité tournée vers le tronçon 11 (voir figure 3).Furthermore, a section of tube 12 is interposed with mobility axial and angular between the barrel 6 and the side wall 9 of the protector 7, as far as the boot 1, the section 12 being kept at an axial distance from the section 11 by a flat pin 13 fitted in a notch 14 formed in section 12 at its end facing section 11 (see figure 3).

    Le tronçon 12 est poussé en direction du tronçon 11 lui-même poussé contre le rebord 8 du protecteur 9, par un pion 15 qui comprend une tête 16 à profil en L et un axe 17 monté mobile en translation dans une platine de montage 18 (foncet) de la serrure, un ressort de compression 19 enfilé sur l'axe 15 étant intercalé entre la tête 16 et la platine 18. C'est donc ce ressort 19 qui, en agissant sur la tête 16 du pion 15, pousse les deux tronçons de tube 12 et 11 contre le rebord intérieur 8 du protecteur 7 du canon extérieur 6.The section 12 is pushed towards the section 11 itself pushed against the rim 8 of the protector 9, by a pin 15 which includes a head 16 with L-shaped profile and a pin 17 mounted movable in translation in a mounting plate 18 (lock) of the lock, a compression spring 19 threaded on the axis 15 being interposed between the head 16 and the plate 18. It is therefore this spring 19 which, by acting on the head 16 of the pin 15, pushes the two tube sections 12 and 11 against the inner rim 8 of the protector 7 of the outer barrel 6.

    Un levier 20 est monté pivotant autour d'un axe 21 parallèle à l'axe du canon 6 entre la platine 18 et la face intérieure du coffre 1, en dessous de la queue 22 du pêne 4. Le levier 20 comprend un bras de levier 23 long et un bras de levier 24 court. Le bras de levier 23 long est en appui contre l'axe 17 du pion 15, dépassant de la platine 18, et le bras de levier 24 court du fait de la présence de porte, à son extrémité libre, une dent 25 qui, tant que le bras 23 du levier 20 trouve en appui contre l'axe 17, est maintenu hors de contact d'avec la queue 22 du pêne 4. La queue 22 du pêne 4 comporte une encoche 26 disposée de telle manière que lorsque le pêne 4 se trouve en position de fermeture, l'encoche 26 soit située en regard de la dent 25 du levier 20.A lever 20 is pivotally mounted around an axis 21 parallel to the axis of the barrel 6 between the plate 18 and the inner face of the trunk 1, in below the tail 22 of the bolt 4. The lever 20 comprises a lever arm 23 long and a lever arm 24 short. The long lever arm 23 is in support against the axis 17 of the pin 15, protruding from the plate 18, and the lever arm 24 short due to the presence of door, at its free end, a tooth 25 which, as long as the arm 23 of the lever 20 is in abutment against the axis 17, is kept out of contact with the tail 22 of the bolt 4. The tail 22 of the bolt 4 has a notch 26 arranged in such a way that when the bolt 4 is in the closed position, the notch 26 is located opposite the tooth 25 of lever 20.

    Un ressort de torsion non représenté peut être prévu pour agir sur le levier 20 dans le sens indiqué par une flèche 27 sur la figure 2, c'est-à-dire le sens dans lequel le bras 23 du levier 20 est poussé contre l'axe 17 du pion 15 .A torsion spring not shown may be provided to act on the lever 20 in the direction indicated by an arrow 27 in Figure 2, that is to say the direction in which the arm 23 of the lever 20 is pushed against the axis 17 of the pawn 15.

    En cas de tentative de forcement de la serrure par tronçonnage de la partie du protecteur de canon 7 dépassant de la porte vers l'extérieur, par exemple en vue de l'arrachage du canon 6, dès que la butée constituée par le rebord 8 du protecteur 7 a été supprimée, le ressort 19 pousse vers l'extérieur et éjecte le tronçon de tube 12, l'ergot 13 et le tronçon de tube 11. L'axe 17 du pion 15 également éjecté vers l'extérieur par le ressort 19 libère le levier 20 qui pivote dans le sens de la flèche 27, de sorte que sa dent 25 pénètre dans l'encoche 26 de la queue 22 du pêne 4 et bloque ce dernier en position de fermeture.In the event of an attempt to force the lock by cutting off the part of the barrel protector 7 projecting from the door towards the outside, by example with a view to tearing off the barrel 6, as soon as the stop constituted by the rim 8 of the protector 7 has been removed, the spring 19 pushes towards outside and ejects the tube section 12, the lug 13 and the tube section 11. The axis 17 of the pin 15 also ejected outwards by the spring 19 releases the lever 20 which pivots in the direction of the arrow 27, so that its tooth 25 enters the notch 26 of the tail 22 of the bolt 4 and blocks this last in the closed position.

    La serrure se trouve ainsi condamnée en position de fermeture.The lock is thus locked in the closed position.

    Il convient de remarquer que le mode de réalisation représenté et décrit n'a été donné qu'à titre d'exemple illustratif et non limitatif et que de nombreuses modifications et variantes sont possibles dans le cas de l'invention.It should be noted that the embodiment shown and described has been given by way of illustrative and non-limiting example and only many modifications and variations are possible in the case of the invention.

    Ainsi, les deux tronçons de tube 11 et 12, au lieu d'être séparés par l'ergot 13, pourraient également être réalisés d'une seule pièce. Toutefois, le vide entre les deux tronçons de tube 11 et 12, du fait de la présence de l'ergot 13 qui maintient les deux tronçons de tube à distance, assure un fonctionnement plus fiable, aucun bavure métallique produite lors du tronçonnage ne pouvant perturber le bon fonctionnement du système.Thus, the two sections of tube 11 and 12, instead of being separated by lug 13, could also be made in one piece. However, the vacuum between the two sections of tube 11 and 12, due to the presence of the lug 13 which keeps the two sections of tube at a distance, ensures more reliable operation, no metallic burrs produced during parting off that cannot disturb the proper functioning of the system.

    Le levier 20 et le pion 15 peuvent être remplacés par des moyens équivalents assumant les mêmes fonctions que ces éléments.The lever 20 and the pin 15 can be replaced by means equivalents performing the same functions as these elements.

    Le tronçon de tube 11 en forme de culot peut être avantageusement réalisé en métal dur, de préférence en carbure.The section of tube 11 in the form of a base can be advantageously made of hard metal, preferably carbide.

    L'invention est par ailleurs applicable indifféremment à tous types de serrures à canon tournant, par exemple à pompe ou à goupilles.The invention is also applicable equally to all types of rotary barrel locks, for example pump or pin locks.

    Bien entendu, l'invention est également applicable à des serrures à un seul canon tournant.Of course, the invention is also applicable to single revolving barrel locks.

    Claims (10)

    Serrure à canon tournant comprenant un coffre renfermant le mécanisme de la serrure, un canon tournant faisant saillie sur le coffre vers le côté extérieur, pour l'actionnement du mécanisme à l'aide d'une clé, et un protecteur de canon relié au coffre et entourant le canon latéralement et à son extrémité frontale extérieure, en laissant dégagée une entrée de clé, caractérisée par le fait qu'elle comprend, en outre, un tube (11, 12) monté mobile en translation axiale entre la surface latérale du canon (6) et le protecteur de canon (7), un ressort éjecteur (19) sollicitant ledit tube en direction de l'extrémité frontale extérieure du canon, et des moyens (15, 20) coopérant avec le tube et avec le mécanisme de la serrure de manière à bloquer cette dernière en position de fermeture lors du déplacement du tube vers le côté extérieur, sous l'action du ressort éjecteur, après tronçonnage du protecteur de canon.Rotating barrel lock including a chest containing the mechanism of the lock, a rotating barrel protruding from the trunk towards the outside, for actuation of the mechanism using a key, and a barrel protector connected to the trunk and surrounding the barrel laterally and at its outer front end, leaving clear a key entry, characterized in that it further comprises a tube (11, 12) mounted movable in axial translation between the lateral surface barrel (6) and the barrel protector (7), an ejector spring (19) biasing said tube towards the outer front end of the barrel, and means (15, 20) cooperating with the tube and with the mechanism of the lock so as to lock the latter in the closed position when moving the tube to the outside, under the action of the spring ejector, after cutting off the barrel protector. Serrure suivant la revendication 1, caractérisée par le fait que lesdits moyens comprennent un levier (20) monté pivotant autour d'un axe (21) parallèle à l'axe du canon (6), levier dont une première extrémité (23) coopère avec le tube (6) et dont la seconde extrémité (24) comporte une dent de blocage (25).Lock according to claim 1, characterized in that that said means comprise a lever (20) pivotally mounted around a axis (21) parallel to the axis of the barrel (6), lever including a first end (23) cooperates with the tube (6) and the second end (24) of which comprises a locking tooth (25). Serrure suivant la revendication 2, caractérisée par le fait que la dent de blocage (25) du levier (21) coopère avec une encoche (26) de la queue (22) du pêne (4).Lock according to claim 2, characterized in that that the locking tooth (25) of the lever (21) cooperates with a notch (26) of the tail (22) of the bolt (4). Serrure suivant la revendication 2 ou 3, caractérisée par le fait qu'elle comprend un ressort de blocage sollicitant ledit levier (20) dans le sens de blocage.Lock according to claim 2 or 3, characterized by fact that it comprises a blocking spring biasing said lever (20) in the blocking direction. Serrure suivant l'une quelconque des revendications 2 à 4, caractérisée par le fait que lesdits moyens comprennent en outre un pion (15) monté mobile en translation parallèlement à l'axe du canon dans une platine (18) intérieure fixe de la serrure, une extrémité dudit pion étant appliquée contre l'extrémité intérieure du tube (11, 12) par le ressort éjecteur (19) portant contre ladite platine fixe (18) et son autre extrémité traversant ladite platine (18) fixe pour coopérer avec la première extrémité (23) du levier (20) pour maintenir la dent (25) de ce dernier hors de la position de blocage. Lock according to any one of claims 2 to 4, characterized by the fact that said means further comprises a pin (15) mounted movable in translation parallel to the axis of the barrel in a fixed inner plate (18) of the lock, one end of said pin being applied against the inner end of the tube (11, 12) by the spring ejector (19) bearing against said fixed plate (18) and its other end passing through said fixed plate (18) to cooperate with the first end (23) of the lever (20) to keep the tooth (25) of the latter out from the blocking position. Serrure suivant la revendication 5, caractérisée par le fait que le pion (15) comprend un axe (17) traversant ladite platine (18) et une tête (16) portant contre ledit tube (12) et servant d'appui au ressort éjecteur (19).Lock according to claim 5, characterized in that that the pin (15) comprises an axis (17) passing through said plate (18) and a head (16) bearing against said tube (12) and serving to support the spring ejector (19). Serrure suivant l'une quelconque des revendications précédentes, caractérisée par le fait que ledit tube est divisé en deux tronçons (11, 12) maintenus à distance axiale l'un de l'autre par un ergot (13).Lock according to any one of the claims above, characterized in that said tube is divided into two sections (11, 12) maintained at an axial distance from each other by a lug (13). Serrure suivant la revendication 7, caractérisée par le fait que le tronçon de tube (11) tourné vers le côté extérieur comprend un rebord intérieur.Lock according to claim 7, characterized in that that the section of tube (11) turned towards the outside includes a inner rim. Serrure suivant la revendication 8, caractérisée par le fait que le tronçon de tube (11) tourné vers le côté extérieur est constitué par un culot en métal dur, par exemple en carbure.Lock according to claim 8, characterized in that that the section of tube (11) facing the outside is formed by a hard metal base, for example carbide. Serrure suivant l'une quelconque des revendications précédentes, caractérisée par le fait que le protecteur de canon (7) est monté mobile en rotation dans le coffre (3) de la serrure.Lock according to any one of the claims above, characterized in that the barrel protector (7) is rotatably mounted in the locker's trunk (3).
    EP99400504A 1998-03-10 1999-03-02 Cylinder lock with safety device against cutting off Expired - Lifetime EP0942125B1 (en)

    Applications Claiming Priority (2)

    Application Number Priority Date Filing Date Title
    FR9802895 1998-03-10
    FR9802895A FR2776007B1 (en) 1998-03-10 1998-03-10 ROTATING CANNON LOCK WITH ANTI-CUT-OFF SECURITY DEVICE

    Publications (2)

    Publication Number Publication Date
    EP0942125A1 true EP0942125A1 (en) 1999-09-15
    EP0942125B1 EP0942125B1 (en) 2003-01-22

    Family

    ID=9523849

    Family Applications (1)

    Application Number Title Priority Date Filing Date
    EP99400504A Expired - Lifetime EP0942125B1 (en) 1998-03-10 1999-03-02 Cylinder lock with safety device against cutting off

    Country Status (7)

    Country Link
    EP (1) EP0942125B1 (en)
    AT (1) ATE231580T1 (en)
    DE (1) DE69904973T2 (en)
    DK (1) DK0942125T3 (en)
    ES (1) ES2188099T3 (en)
    FR (1) FR2776007B1 (en)
    PT (1) PT942125E (en)

    Cited By (5)

    * Cited by examiner, † Cited by third party
    Publication number Priority date Publication date Assignee Title
    FR2828226A1 (en) 2001-05-30 2003-02-07 Yves Ramblier Lock barrel protector has second shield around barrel section inside presmises
    EP1158120A3 (en) * 2000-05-23 2003-07-09 Marques, S.A. Blocking device for a lock provided with a cylinder lock guard
    EP1536086A1 (en) * 2003-11-28 2005-06-01 CISA S.p.A. Lock with assembly for preventing misregistration of the driven gear that actuates the closing and opening mechanism upon insertion of the cylinder with the key in a lock
    ITVE20090039A1 (en) * 2009-07-20 2011-01-21 Mul T Lock Technologies Italy S R L SAFETY LOCK.-
    RU2602051C1 (en) * 2013-01-10 2016-11-10 Луиджи ЧИАРО Safety lock for fire and front doors

    Citations (5)

    * Cited by examiner, † Cited by third party
    Publication number Priority date Publication date Assignee Title
    DE2644312B1 (en) * 1976-10-01 1978-03-23 Neiman Gmbh & Co Kg Device for blocking a cylinder lock actuated locking bolt in a locked position
    FR2564884A1 (en) * 1984-05-23 1985-11-29 Chauvat Sofranq Safety device for a lock of the surface-mounted type
    FR2590533A1 (en) * 1985-11-25 1987-05-29 Turatti Mario Steering locking anti-theft device for motor vehicles
    EP0590726A1 (en) * 1992-09-28 1994-04-06 Chunmin Shi Mechanical lock
    FR2703392A1 (en) * 1993-04-02 1994-10-07 Eliot Louis Denis Jean Mechanism for blocking a cylinder lock

    Patent Citations (5)

    * Cited by examiner, † Cited by third party
    Publication number Priority date Publication date Assignee Title
    DE2644312B1 (en) * 1976-10-01 1978-03-23 Neiman Gmbh & Co Kg Device for blocking a cylinder lock actuated locking bolt in a locked position
    FR2564884A1 (en) * 1984-05-23 1985-11-29 Chauvat Sofranq Safety device for a lock of the surface-mounted type
    FR2590533A1 (en) * 1985-11-25 1987-05-29 Turatti Mario Steering locking anti-theft device for motor vehicles
    EP0590726A1 (en) * 1992-09-28 1994-04-06 Chunmin Shi Mechanical lock
    FR2703392A1 (en) * 1993-04-02 1994-10-07 Eliot Louis Denis Jean Mechanism for blocking a cylinder lock

    Cited By (6)

    * Cited by examiner, † Cited by third party
    Publication number Priority date Publication date Assignee Title
    EP1158120A3 (en) * 2000-05-23 2003-07-09 Marques, S.A. Blocking device for a lock provided with a cylinder lock guard
    FR2828226A1 (en) 2001-05-30 2003-02-07 Yves Ramblier Lock barrel protector has second shield around barrel section inside presmises
    EP1536086A1 (en) * 2003-11-28 2005-06-01 CISA S.p.A. Lock with assembly for preventing misregistration of the driven gear that actuates the closing and opening mechanism upon insertion of the cylinder with the key in a lock
    ITVE20090039A1 (en) * 2009-07-20 2011-01-21 Mul T Lock Technologies Italy S R L SAFETY LOCK.-
    EP2278100A1 (en) * 2009-07-20 2011-01-26 Assa Abloy Italia S.P.A. Security lock
    RU2602051C1 (en) * 2013-01-10 2016-11-10 Луиджи ЧИАРО Safety lock for fire and front doors

    Also Published As

    Publication number Publication date
    EP0942125B1 (en) 2003-01-22
    ATE231580T1 (en) 2003-02-15
    DE69904973D1 (en) 2003-02-27
    FR2776007B1 (en) 2000-06-30
    DK0942125T3 (en) 2003-05-12
    FR2776007A1 (en) 1999-09-17
    ES2188099T3 (en) 2003-06-16
    PT942125E (en) 2003-06-30
    DE69904973T2 (en) 2003-08-28

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