EP1098052A1 - Cylinder lock protection device for mortise lock - Google Patents

Cylinder lock protection device for mortise lock Download PDF

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Publication number
EP1098052A1
EP1098052A1 EP00403057A EP00403057A EP1098052A1 EP 1098052 A1 EP1098052 A1 EP 1098052A1 EP 00403057 A EP00403057 A EP 00403057A EP 00403057 A EP00403057 A EP 00403057A EP 1098052 A1 EP1098052 A1 EP 1098052A1
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EP
European Patent Office
Prior art keywords
lock
cylinder
bore
passage
plate
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.)
Withdrawn
Application number
EP00403057A
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German (de)
French (fr)
Inventor
Gilles Bertaux
William Descaudin
Jean-Pierre Ibba
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.)
PICARD
Original Assignee
PICARD
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 PICARD filed Critical PICARD
Publication of EP1098052A1 publication Critical patent/EP1098052A1/en
Withdrawn legal-status Critical Current

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Classifications

    • 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
    • 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

Definitions

  • the invention relates to a device for protecting the security cylinder of a mortise lock, said lock bacon being mounted in a hollow of the song of a door and comprising a passage for a safety cylinder.
  • FR-B-2 712 019 has proposed a protection device comprising a massive external front piece provided with a security cylinder and plate passage bore rear attachment connected to said front piece by at at least two screws of which at least one crosses the plaster of the lock.
  • Such a device can be mounted after successive fixing of the lock and the security cylinder and is integral of the lock, which strengthens the overall resistance.
  • the object of the present invention is to propose a device of this type which also exhibits resistance qualities at upper pullout.
  • the invention relates to a device for protection of the safety cylinder of a mortise lock, said mortise lock being mounted in a recess of the edge of a door and having a passage for a cylinder security
  • said protection device comprising a massive external frontal part provided with a bore of passage of the safety cylinder and a fixing plate rear connected to said front piece by at least two screws of which at least one crosses the plaster of the lock, the front piece being extended inward by a back arranged to pass under the plaster of the lock and to which one of the plate mounting screws is attached rear, characterized in that the front piece is consisting of a flat plate through which said bore, the return having a bore extending parallel to the axis of the cylinder fixing screw and accommodating a axle or a fixing screw.
  • the absence of the projecting part of the front piece avoids any pull-out axial.
  • the lock 1 comprises, in a conventional manner, a plaster or case 2 containing the lock mechanism controlling a bolt standing 3 and a latch 4 turning through windows respective of the headrest 5 of the lock.
  • the U-bolt 4 can also be operated by a handle (not shown) secured to a square rod housed in a square bore 6 of a swivel piece.
  • the plaster 2 also has a buttonhole through 7 for the passage of the safety cylinder (not represented).
  • the lock 1 is housed in a slot 10 of the edge 11 of the door 12 and the headrest 5 is fixed by two screws passing through holes 13 and screwed into two holes 14 in door 12.
  • the cylinder is then mounted in the buttonhole 7 through a oblong window 15 of door 12 and fixed, so traditional, by a screw passing through an orifice 16 of the edge 5 of the lock 1.
  • the window 15 of the door 12 has dimensions adapted to the external contour of a solid part 20 forming part of a cylinder protection device.
  • Exhibit 20, which is mounted on the outer face of door 12, consists of a flat front plate 21 provided with a bore 22 for the passage of the safety cylinder.
  • the plate 21 is, at its end upper, traversed by a threaded bore 24 and comprises at its lower end a return 25 arranged to pass under the plaster 2 of lock 1 and also pierced with a bore threaded 26.
  • Perpendicular to bore 26 also extends a bore 27 parallel to the axis of the cylinder fixing screw.
  • the entire part 20 is pressed into the window 15 until the internal face of the plate 21 comes to bear on the adjacent side face of the plaster panel 2.
  • a fixing plate 30, provided with a buttonhole 31 for the passage of the cylinder is then applied, through the window 15 of door 12 on the internal face thereof, against the opposite side face of the plaster panel 2 and pressing on the return 26 of part 20.
  • the fixing plate 30 is provided with two bores 32 and 33 for the passage of two screws 34 and 35.
  • the screw 34 passes through a bore 36 of the plaster panel 2 of the lock 1 and is screws into the threaded bore 24 of part 20.
  • the second screw 35 is fixed in the threaded bore 26 of the return 25, of so that lock 1 is clamped between piece 20 and the fixing plate 30, ensuring high stability of the assembly and preventing lateral access to the cylinder security.
  • a fixing pin is also engaged in bore 27 parallel to the cylinder fixing screw and promotes resistance to axial pullout.
  • any axial action on the safety cylinder tends to deform the plaster 2 as well as the plug (not shown) of lock 1, thus preventing the return of the deadbolt 3.
  • the fixing plate 30 may be larger than window 15 so as to rest on the metallic periphery of this window.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Securing Of Glass Panes Or The Like (AREA)

Abstract

The lock which is installed in a edge cavity (11) of a door (12) comprises a passage (7) for a security cylinder. The protection comprises a heavy outer front plate (20) with a passage bore (22) for the security cylinder and a rear fixing plate (30) connected to the front part by two screws (34,35). One screw passes through the lock case (2). The front part is extended inwards by a return (25) which passes under the case and on which one of the screws is fixed. The return has a bore (27) extending parallel to the cylinder fixing screw axis.

Description

L'invention concerne un dispositif de protection du cylindre de sûreté d'une serrure à larder, ladite serrure à larder étant montée dans une creusure du chant d'une porte et comportant un passage pour un cylindre de sûreté.The invention relates to a device for protecting the security cylinder of a mortise lock, said lock bacon being mounted in a hollow of the song of a door and comprising a passage for a safety cylinder.

Pour améliorer la résistance aux tentatives de forçage, en particulier par chocs frontaux sur le cylindre de sûreté, on a proposé par FR-B-2 712 019 un dispositif de protection comprenant une pièce frontale externe massive munie d'un alésage de passage du cylindre de sécurité et d'une plaque de fixation arrière reliée à ladite pièce frontale par au moins deux vis dont au moins une traverse le palâtre de la serrure.To improve resistance to forcing attempts, particularly by frontal impact on the safety cylinder, FR-B-2 712 019 has proposed a protection device comprising a massive external front piece provided with a security cylinder and plate passage bore rear attachment connected to said front piece by at at least two screws of which at least one crosses the plaster of the lock.

Un tel dispositif peut être monté après fixation successive de la serrure et du cylindre de sécurité et est solidaire de la serrure, ce qui renforce la résistance d'ensemble.Such a device can be mounted after successive fixing of the lock and the security cylinder and is integral of the lock, which strengthens the overall resistance.

Cependant, un tel dispositif présente un inconvénient dans la mesure où la fixation de la pièce frontale est axialement parallèle au cylindre et où la pièce frontale présente un corps creux ménagé en saillie par rapport au plan principal de ladite pièce frontale, ce qui offre une prise favorisant l'arrachement avec des outils appropriés.However, such a device has a drawback in the extent to which the attachment of the front piece is axially parallel to the cylinder and where the front piece has a hollow body projecting from the main plane of said front piece, which provides a grip promoting removal with appropriate tools.

La présente invention a pour but de proposer un dispositif de ce type qui présente en outre des qualités de résistance à l'arrachement supérieures.The object of the present invention is to propose a device of this type which also exhibits resistance qualities at upper pullout.

A cet effet, l'invention a pour objet un dispositif de protection du cylindre de sûreté d'une serrure à larder, ladite serrure à larder étant montée dans une creusure du chant d'une porte et comportant un passage pour un cylindre de sûreté, ledit dispositif de protection comprenant une pièce frontale externe massive munie d'un alésage de passage du cylindre de sécurité et une plaque de fixation arrière reliée à ladite pièce frontale par au moins deux vis dont au moins une traverse le palâtre de la serrure, la pièce frontale étant prolongée vers l'intérieur par un retour agencé pour passer sous le palâtre de la serrure et sur lequel est fixée une des vis de montage de la plaque arrière, caractérisé en ce que la pièce frontale est constituée d'une plaque plane traversée par ledit alésage, le retour comportant un alésage s'étendant parallèlement à l'axe de la vis de fixation du cylindre et accueillant un axe ou une vis de fixation.To this end, the invention relates to a device for protection of the safety cylinder of a mortise lock, said mortise lock being mounted in a recess of the edge of a door and having a passage for a cylinder security, said protection device comprising a massive external frontal part provided with a bore of passage of the safety cylinder and a fixing plate rear connected to said front piece by at least two screws of which at least one crosses the plaster of the lock, the front piece being extended inward by a back arranged to pass under the plaster of the lock and to which one of the plate mounting screws is attached rear, characterized in that the front piece is consisting of a flat plate through which said bore, the return having a bore extending parallel to the axis of the cylinder fixing screw and accommodating a axle or a fixing screw.

Ainsi, de manière avantageuse, l'absence de partie en saillie sur la pièce frontale et la présence de cet axe de fixation s'étendant transversalement à la direction d'une force d'arrachement garantissent des qualités anti-arrachement améliorées.Thus, advantageously, the absence of part in protrusion on the front piece and the presence of this axis of attachment extending transversely to the direction of a tearing force guarantee anti-tearing qualities improved.

En particulier, l'absence de la partie en saillie de la pièce frontale permet d'éviter toute prise à l'arrachement axial.In particular, the absence of the projecting part of the front piece avoids any pull-out axial.

L'invention sera bien comprise à la lecture de la description suivante faite en référence au dessin annexé dans lequel :

  • la figure 1 est une vue schématique en perspective éclatée d'une serrure selon un exemple de réalisation de l'invention, sans le cylindre de sécurité;
  • la figure 2 est une vue en coupe d'une partie du dispositif de protection; et
  • la figure 3 est une vue en perspective avant du dispositif de la figure 2.
    • The invention will be clearly understood on reading the following description made with reference to the appended drawing in which:
  • Figure 1 is a schematic exploded perspective view of a lock according to an exemplary embodiment of the invention, without the safety cylinder;
  • Figure 2 is a sectional view of part of the protection device; and
  • FIG. 3 is a front perspective view of the device in FIG. 2.

    • La serrure 1 comprend, de manière classique, un palâtre ou boítier 2 contenant le mécanisme de serrure commandant un pêne dormant 3 et un pêne demi-tour 4 qui traversent des fenêtres respectives de la têtière 5 de la serrure. Le pêne demi-tour 4 peut également être actionné par une poignée (non représentée) solidaire d'une tige carrée logée dans un alésage carré 6 d'une pièce pivotante. Le palâtre 2 comporte en outre une boutonnière traversante 7 pour le passage du cylindre de sécurité (non représenté).The lock 1 comprises, in a conventional manner, a plaster or case 2 containing the lock mechanism controlling a bolt standing 3 and a latch 4 turning through windows respective of the headrest 5 of the lock. The U-bolt 4 can also be operated by a handle (not shown) secured to a square rod housed in a square bore 6 of a swivel piece. The plaster 2 also has a buttonhole through 7 for the passage of the safety cylinder (not represented).

    La serrure 1 est logée dans une fente 10 du chant 11 de la porte 12 et la têtière 5 est fixée par deux vis traversant des orifices 13 et vissées dans deux trous 14 de la porte 12. Le cylindre est ensuite monté dans la boutonnière 7 à travers une fenêtre oblongue 15 de la porte 12 et fixé, de manière traditionnelle, par une vis traversant un orifice 16 du chant 5 de la serrure 1.The lock 1 is housed in a slot 10 of the edge 11 of the door 12 and the headrest 5 is fixed by two screws passing through holes 13 and screwed into two holes 14 in door 12. The cylinder is then mounted in the buttonhole 7 through a oblong window 15 of door 12 and fixed, so traditional, by a screw passing through an orifice 16 of the edge 5 of the lock 1.

    La fenêtre 15 de la porte 12 a des dimensions adaptées au contour externe d'une pièce massive 20 faisant partie d'un dispositif de protection du cylindre. La pièce 20, qui est montée sur la face externe de la porte 12, est constituée d'une plaque frontale plane 21 munie d'un alésage 22 pour le passage du cylindre de sécurité. La plaque 21 est, à son extrémité supérieure, traversée par un alésage taraudé 24 et comporte à son extrémité inférieure un retour 25 agencé pour passer sous le palâtre 2 de la serrure 1 et également percé d'un alésage taraudé 26. The window 15 of the door 12 has dimensions adapted to the external contour of a solid part 20 forming part of a cylinder protection device. Exhibit 20, which is mounted on the outer face of door 12, consists of a flat front plate 21 provided with a bore 22 for the passage of the safety cylinder. The plate 21 is, at its end upper, traversed by a threaded bore 24 and comprises at its lower end a return 25 arranged to pass under the plaster 2 of lock 1 and also pierced with a bore threaded 26.

    Perpendiculairement à l'alésage 26 s'étend également un alésage 27 parallèle à l'axe de la vis de fixation du cylindre.Perpendicular to bore 26 also extends a bore 27 parallel to the axis of the cylinder fixing screw.

    L'ensemble de la pièce 20 est enfoncé dans la fenêtre 15 jusqu'à ce que la face interne de la plaque 21 vienne en appui sur la face latérale adjacente du palâtre 2.The entire part 20 is pressed into the window 15 until the internal face of the plate 21 comes to bear on the adjacent side face of the plaster panel 2.

    Une plaque de fixation 30, munie d'une boutonnière 31 pour le passage du cylindre est ensuite appliquée, à travers la fenêtre 15 de la porte 12 sur la face interne de celle-ci, contre la face latérale opposée du palâtre 2 et en appui sur le retour 26 de la pièce 20. La plaque de fixation 30 est munie de deux alésages 32 et 33 pour le passage de deux vis 34 et 35. La vis 34 traverse un alésage 36 du palâtre 2 de la serrure 1 et se visse dans l'alésage taraudé 24 de la pièce 20. La seconde vis 35 vient se fixer dans l'alésage taraudé 26 du retour 25, de sorte que la serrure 1 est serrée entre la pièce 20 et la plaque de fixation 30, assurant une grande stabilité de l'ensemble et interdisant l'accès latéral au cylindre de sécurité.A fixing plate 30, provided with a buttonhole 31 for the passage of the cylinder is then applied, through the window 15 of door 12 on the internal face thereof, against the opposite side face of the plaster panel 2 and pressing on the return 26 of part 20. The fixing plate 30 is provided with two bores 32 and 33 for the passage of two screws 34 and 35. The screw 34 passes through a bore 36 of the plaster panel 2 of the lock 1 and is screws into the threaded bore 24 of part 20. The second screw 35 is fixed in the threaded bore 26 of the return 25, of so that lock 1 is clamped between piece 20 and the fixing plate 30, ensuring high stability of the assembly and preventing lateral access to the cylinder security.

    Une broche de fixation est également engagée dans l'alésage 27 parallèlement à la vis de fixation du cylindre et favorise la résistance à un arrachement axial.A fixing pin is also engaged in bore 27 parallel to the cylinder fixing screw and promotes resistance to axial pullout.

    Ainsi, toute action axiale sur le cylindre de sécurité tend à déformer le palâtre 2 ainsi que le foncet (non représenté) de la serrure 1, interdisant ainsi le retour du pêne dormant 3.Thus, any axial action on the safety cylinder tends to deform the plaster 2 as well as the plug (not shown) of lock 1, thus preventing the return of the deadbolt 3.

    Dans certains cas, en particulier pour des portes métalliques ou blindées, on peut prévoir que la plaque de fixation 30 est plus grande que la fenêtre 15 de manière à s'appuyer sur la périphérie métallique de cette fenêtre. On pourra dans ce cas boucher la fenêtre sur sa face intérieure par une pièce (non représentée), solidaire ou non de la plaque 30, percée d'alésages pour le passage des vis 34 et 35. La serrure 1 est ainsi serrée entre la pièce 20 et la pièce intermédiaire, cette dernière étant en appui sur la porte métallique de la porte par l'intermédiaire de la plaque de fixation 30.In some cases, especially for metal doors or shielded, provision may be made for the fixing plate 30 to be larger than window 15 so as to rest on the metallic periphery of this window. We can in this case plug the window on its inside with a piece (not shown), whether or not integral with the plate 30, pierced of holes for the passage of screws 34 and 35. Lock 1 is thus clamped between the part 20 and the intermediate part, this last being supported on the metal door of the door by through the fixing plate 30.

    Claims (2)

    Dispositif de protection du cylindre de sûreté d'une serrure à larder (1), ladite serrure à larder (1) étant montée dans une creusure du chant (11) d'une porte (12) et comportant un passage (7) pour un cylindre de sûreté, ledit dispositif de protection comprenant une pièce frontale externe massive (20) munie d'un alésage (22) de passage du cylindre de sécurité et une plaque de fixation arrière (30) reliée à ladite pièce frontale (20) par au moins deux vis (34, 35) dont au moins une (34) traverse (36) le palâtre (2) de la serrure (1), la pièce frontale (20) étant prolongée vers l'intérieur par un retour (25) agencé pour passer sous le palâtre (2) de la serrure (1) et sur lequel est fixée une (35) des vis de montage (34, 35) de la plaque arrière (30),
    caractérisé en ce que la pièce frontale (20) est constituée d'une plaque plane (21) traversée par ledit alésage (22), le retour (25) comportant un alésage (27) s'étendant parallèlement à l'axe de la vis de fixation du cylindre et accueillant un axe ou une vis de fixation.    Device for protecting the safety cylinder of a larder lock (1), said larder lock (1) being mounted in a recess in the edge (11) of a door (12) and comprising a passage (7) for a safety cylinder, said protection device comprising a solid external front part (20) provided with a bore (22) for the passage of the security cylinder and a rear fixing plate (30) connected to said front part (20) by at least two screws (34, 35) of which at least one (34) passes through (36) the plaster (2) of the lock (1), the front piece (20) being extended inward by a return (25) arranged to pass under the plaster (2) of the lock (1) and on which is fixed one (35) of the mounting screws (34, 35) of the rear plate (30),
    characterized in that the front piece (20) consists of a flat plate (21) through which said bore (22) passes, the return (25) comprising a bore (27) extending parallel to the axis of the screw fixing cylinder and accommodating a pin or a fixing screw.         Dispositif de protection selon la revendication 1, caractérisé en ce que la pièce frontale (20) comporte dans sa partie supérieure un alésage taraudé (24) pour le vissage d'une (34) des vis de montage (34, 35) de la plaque de fixation (30).Protection device according to claim 1, characterized in that the front piece (20) has in its upper part a threaded bore (24) for the screwing in one (34) of the mounting screws (34, 35) of the plate fixing (30).
    EP00403057A 1999-11-03 2000-11-03 Cylinder lock protection device for mortise lock Withdrawn EP1098052A1 (en)

    Applications Claiming Priority (2)

    Application Number Priority Date Filing Date Title
    FR9913705 1999-11-03
    FR9913705A FR2800413B1 (en) 1999-11-03 1999-11-03 DEVICE FOR PROTECTING THE SAFETY CYLINDER OF A LARDING LOCK

    Publications (1)

    Publication Number Publication Date
    EP1098052A1 true EP1098052A1 (en) 2001-05-09

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    ID=9551633

    Family Applications (1)

    Application Number Title Priority Date Filing Date
    EP00403057A Withdrawn EP1098052A1 (en) 1999-11-03 2000-11-03 Cylinder lock protection device for mortise lock

    Country Status (2)

    Country Link
    EP (1) EP1098052A1 (en)
    FR (1) FR2800413B1 (en)

    Cited By (3)

    * Cited by examiner, † Cited by third party
    Publication number Priority date Publication date Assignee Title
    AT510234B1 (en) * 2010-08-05 2012-05-15 Cvetkovic Mirko ANTI-TURN
    GB2512579A (en) * 2013-03-08 2014-10-08 Uap Ltd A lock guard
    GB2548177A (en) * 2016-09-27 2017-09-13 Assa Abloy Ltd Lock cylinder guard

    Citations (6)

    * Cited by examiner, † Cited by third party
    Publication number Priority date Publication date Assignee Title
    DE7804623U1 (en) * 1978-02-16 1979-02-01 Nosztrai, Johann, 3052 Bad Nenndorf CYLINDER LOCK FOR DOORS OR DGL.
    DE3731880A1 (en) * 1987-09-23 1989-04-13 Melchert Beschlaege Fitting for doors or the like
    US5099663A (en) * 1991-04-22 1992-03-31 Dearstine Walter R Cabinet lock sleeve apparatus
    CH680380A5 (en) * 1989-03-03 1992-08-14 Ernst Keller Mortise lock protective fitting - comprises bush fixed to cylinder and fitting in recess in rosette
    FR2708025A1 (en) * 1993-07-22 1995-01-27 Vachette Sa Device for the protection of the cylinder plug of a door lock
    FR2712019A1 (en) * 1993-11-05 1995-05-12 Vak Picard Device for protecting the security cylinder of a mortise lock

    Patent Citations (6)

    * Cited by examiner, † Cited by third party
    Publication number Priority date Publication date Assignee Title
    DE7804623U1 (en) * 1978-02-16 1979-02-01 Nosztrai, Johann, 3052 Bad Nenndorf CYLINDER LOCK FOR DOORS OR DGL.
    DE3731880A1 (en) * 1987-09-23 1989-04-13 Melchert Beschlaege Fitting for doors or the like
    CH680380A5 (en) * 1989-03-03 1992-08-14 Ernst Keller Mortise lock protective fitting - comprises bush fixed to cylinder and fitting in recess in rosette
    US5099663A (en) * 1991-04-22 1992-03-31 Dearstine Walter R Cabinet lock sleeve apparatus
    FR2708025A1 (en) * 1993-07-22 1995-01-27 Vachette Sa Device for the protection of the cylinder plug of a door lock
    FR2712019A1 (en) * 1993-11-05 1995-05-12 Vak Picard Device for protecting the security cylinder of a mortise lock

    Cited By (5)

    * Cited by examiner, † Cited by third party
    Publication number Priority date Publication date Assignee Title
    AT510234B1 (en) * 2010-08-05 2012-05-15 Cvetkovic Mirko ANTI-TURN
    GB2512579A (en) * 2013-03-08 2014-10-08 Uap Ltd A lock guard
    GB2512579B (en) * 2013-03-08 2019-12-04 Uap Ltd A lock guard
    GB2548177A (en) * 2016-09-27 2017-09-13 Assa Abloy Ltd Lock cylinder guard
    GB2548177B (en) * 2016-09-27 2018-03-28 Assa Abloy Ltd Lock cylinder guard

    Also Published As

    Publication number Publication date
    FR2800413A1 (en) 2001-05-04
    FR2800413B1 (en) 2002-08-02

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