EP1561885A1 - Dispositif de protection d'une gorge d'une serrure de porte - Google Patents
Dispositif de protection d'une gorge d'une serrure de porte Download PDFInfo
- Publication number
- EP1561885A1 EP1561885A1 EP05002343A EP05002343A EP1561885A1 EP 1561885 A1 EP1561885 A1 EP 1561885A1 EP 05002343 A EP05002343 A EP 05002343A EP 05002343 A EP05002343 A EP 05002343A EP 1561885 A1 EP1561885 A1 EP 1561885A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- groove
- bolt
- protective device
- protection plate
- tail
- 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
Links
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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
- E05B63/00—Locks or fastenings with special structural characteristics
- E05B63/0017—Locks with sliding bolt without provision for latching
Definitions
- the present invention relates, on the one hand, to a device for protection of a groove of a door lock, and secondly, to a lock of door equipped with such a protective device.
- a burglar wishing to penetrate inside a local begins by fracturing the barrel to extract it from the lock box of door. Once this task has been completed, the burglar has access to internal organs of the lock and can therefore easily proceed to unlocking the bolt previously housed in the striker fixed in the door jamb to protect. For this, the burglar raises the throat whose teeth cooperate with the teeth presented by the tail of the bolt. The The bolt is no longer locked in translation and the burglar can place it in his rest position.
- the present invention aims to solve the problem mentioned previously, and for this purpose consists of a device for protecting a throat a door lock, said groove being provided to be arranged on one side of a tail of a locking bolt and being fit, under the action of a first elastic return means, to come into engagement with presented teeth by the tail of the locking bolt, characterized in that it comprises a protective plate intended to be positioned on the other side of the tail of the bolt and designed to have at least one suitable protuberance, under the effect of at least one second elastic return means, to come to bear against an associated stop element in the groove, this second elastic return means being suitable, if the protuberance is disengaged from its associated abutment element, to force said protective plate to rotate around an axis in order to position said protuberance on the trajectory of the tail of the bolt.
- a protection device according to the invention is therefore active since it is suitable for effectively counteract such an attempted break-in.
- the second means of elastic return is achieved using a torsion spring.
- the latter has a branch designed to come to bear against the protection plate.
- a groove is formed along the edge top of the protection plate in order to receive the spring branch of torsion. It should be understood that a side compression spring could be used in place of such a torsion spring.
- the associated abutment element has a substantially flat contact surface.
- a shoulder is advantageously arranged in the throat.
- the protrusion of the protective plate includes a tooth extended by a lug adapted to be inserted between the shoulder and the stop element arranged in the throat.
- the protection plate can not rotate in one direction or another.
- the protection plate comprises a substantially oblong light traversed by the axis about which said plate protection can rotate.
- a clearance is preferably provided at the rear of the end of the locking bolt to allow the pivoting of the plate protection.
- the present invention also relates to a lock of door comprising a trunk crossed by a barrel provided with a bit rotational mobile housed in the trunk, characterized in that it comprises a protection device according to the invention.
- a door lock 1 as shown in FIG. FIG. 1, comprises a box 2 made with the aid of two flanges 3 assembled to one another.
- This chest 2 is attached to a headrest 4, and contains the parts well known to those skilled in the art usually used to ensure the locking and unlocking a locking bolt 5 extended by a tail 9 provided with teeth 17.
- each flange 3 comprises, in the lower part, a central opening 6 adapted to the section of a barrel 7, the latter presenting a first portion 8 and a second portion (not shown) separated one on the other by a medial bit 10 rotating in rotation.
- the bit 10 is housed in said trunk 2, and the first part 8 and the second part of the barrel 7 protrude respectively on one side and the other of said box 2.
- the bit 10 is intended to cooperate with a 11 when it is rotated by means of a key 40 introduced into the barrel 7.
- this groove 11 is constituted by a plate having an inner face 12 arranged on one side of the tail 9 of the bolt 5.
- This groove 11 has an oblong light 13 crossed by a transverse axis 14 integral with the trunk 2.
- the groove 11 comprises, on the one hand, a protruding shoulder 15 in which is dug a recess 16 in order to constitute a housing adapted to cooperate with the teeth 17 of the tail 9 of the bolt 5, and secondly, a stop element 18, separated from the shoulder 15, and having a substantially planar contact surface 19.
- This shoulder 15 is surmounted by a stud 20 on which is centered a first end of a compression spring 21, the latter also having a second end bearing against a fixed element of the door lock 1.
- a protection plate 22 provided with an inner face 24 is attached facing the groove 11, on the other side of the tail 9 of the bolt 5.
- This plate of protection 22 has an oblong slot through which the axis 14 passes. transversal solidaire 2.
- the protection plate 22 has a protuberance 26 comprising a tooth 27 extended by a lug 28.
- a groove 29 parallel to the tail 9 of the bolt 5 is dug at the top of the protrusion 26 and constitutes a housing apt to accommodate a first branch 30 of a torsion spring 31 placed around a fixed element 32 integral with the door lock 1.
- the second branch 33 of this torsion spring 31 is provided for abut against the return 34 of one of the two flanges 3.
- This element fixed 32 overhangs the groove 11 and the protective plate 22, and is offset from them.
- the groove 11 and the protection plate 22 are returned, respectively by the compression spring 21 and the torsion spring 31, towards the tail 9 of the bolt 5.
- one of the teeth 17 of the 9 of the bolt 5 is housed in the recess 16 presented by the shoulder 15 of the groove 11 so as to lock the bolt 5 in translation
- the tooth 27 of the protrusion 26 rests on the tail 9 of the bolt 5
- the lug 28 of the protrusion 26 is inserted between the shoulder 15 and the abutment member 18 arranged in the groove 11. More precisely, the lug 28 is intended to come resting against the substantially flat contact surface 19 of the element of stop 18.
- the teeth 17 of the tail 9 of the bolt 5 are disengaged from the groove 11, and the locking bolt 5 can then be driven in translation by said bit 10 during the second half of his race.
- the groove 11 and the protection plate 22 are then driven by a movement of translation downwards under the effect of the compression spring 21 and the spring torsion 31 which gradually relax.
- the bit 10 has reached the lowest point, one of the teeth 17 of the tail 9 of the bolt 5 is housed in the recess 16 of the groove 11, and it follows that the bolt 5 is blocked in translation.
- the groove 11 and the protective plate 22 remain stationary one relative to the other, and consequently the lug 28 remains in support against the contact surface 19 of the abutment element 18.
Abstract
Description
Claims (10)
- Dispositif de protection d'une gorge (11) d'une serrure de porte (1), ladite gorge étant prévue pour être disposée d'un côté d'une queue (9) d'un pêne (5) de condamnation et étant apte, sous faction d'un premier moyen de rappel élastique (21), à venir en prise avec des dents (17) présentées par la queue du pêne, caractérisé en ce qu'il comprend une plaque de protection (22) prévue pour être positionnée de l'autre côté de la queue du pêne et conçue de façon à présenter au moins une protubérance (26) apte, sous l'effet d'au moins un deuxième moyen de rappel élastique (31), à venir en appui contre un élément de butée (18) associé ménagé dans la gorge, ce deuxième moyen de rappel élastique étant apte, si la protubérance est désengagée de son élément de butée associé, à forcer ladite de plaque de protection à pivoter autour d'un axe (14) afin de positionner ladite protubérance sur la trajectoire de la queue du pêne.
- Dispositif de protection selon la revendication 1, caractérisé en ce que le deuxième moyen de rappel élastique est réalisé à l'aide d'un ressort de torsion (31).
- Dispositif de protection selon la revendication 2, caractérisé en ce que le ressort de torsion (31) présente une branche (30) conçue pour venir en appui contre la plaque de protection (22).
- Dispositif de protection selon la revendication 3, caractérisé en ce qu'une rainure (29) est ménagée en bordure supérieure de la plaque de protection (22) afin de recevoir la branche (30) du ressort de torsion (31).
- Dispositif de protection selon l'une quelconque des revendications 1 à 4, caractérisé en ce que l'élément de butée (18) associé présente une surface de contact (19) sensiblement plane.
- Dispositif de protection selon la revendication 5, caractérisé en ce qu'un épaulement (15) est ménagé dans la gorge (11).
- Dispositif de protection selon la revendication 6, caractérisé en ce que la protubérance (26) de la plaque de protection (22) comprend une dent (27) prolongée par un ergot (28) prévu pour être inséré entre l'épaulement (15) et l'élément de butée (18) ménagés dans la gorge (11).
- Dispositif de protection selon l'une quelconque des revendications 1 à 7, caractérisé en ce que la plaque de protection (22) comporte une lumière (25) sensiblement oblongue traversée par l'axe (14) autour duquel ladite plaque de protection peut pivoter.
- Dispositif de protection selon l'une quelconque des revendications 1 à 8, caractérisé en ce qu'un dégagement (33) est ménagé à l'arrière de la queue (9) du pêne (5) pour permettre le pivotement de la plaque de protection (22).
- Serrure de porte (1) comprenant un coffre (2) traversé par un barillet (7) pourvu d'un panneton (10) mobile en rotation logé dans le coffre, caractérisé en ce qu'elle comprend un dispositif de protection selon l'une quelconque des revendications 1 à 9.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR0401116 | 2004-02-05 | ||
FR0401116A FR2866049B1 (fr) | 2004-02-05 | 2004-02-05 | Dispositif de protection d'une gorge d'une serrure de porte |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1561885A1 true EP1561885A1 (fr) | 2005-08-10 |
EP1561885B1 EP1561885B1 (fr) | 2008-10-15 |
Family
ID=34673900
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP20050002343 Active EP1561885B1 (fr) | 2004-02-05 | 2005-02-02 | Dispositif de protection d'une gorge d'une serrure de porte |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP1561885B1 (fr) |
DE (1) | DE602005010314D1 (fr) |
FR (1) | FR2866049B1 (fr) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2438491A (en) * | 2006-05-15 | 2007-11-28 | Michael Joyce | Door entry prevention device with biased lock concealing device |
WO2008094472A2 (fr) * | 2007-01-26 | 2008-08-07 | Stanley Chung | Type de structure principale de serrure et serrure de porte à combinaison reposant sur l'utilisation d'une telle structure |
ITRM20090258A1 (it) * | 2009-05-20 | 2010-11-21 | Gruben Italia Security S P A | Serratura di sicurezza. |
FR2963634A1 (fr) * | 2010-08-06 | 2012-02-10 | Bricard | Serrure de porte comprenant un dispositif de protection de gorge |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2564884A1 (fr) * | 1984-05-23 | 1985-11-29 | Chauvat Sofranq | Dispositif de securite pour serrure du genre en applique. |
DE8814086U1 (fr) * | 1988-11-10 | 1989-01-05 | Mohr, Hans-Dietrich, 5830 Schwelm, De | |
DE3800298A1 (de) * | 1988-01-08 | 1989-07-20 | Karrenberg Fa Wilhelm | Einsteckschloss |
EP0651116A1 (fr) * | 1993-10-29 | 1995-05-03 | Vachette | Serrure de porte équipée d'un dispositif de protection |
FR2770247A1 (fr) * | 1997-10-28 | 1999-04-30 | Fichet Serrurerie Batiment Fsb | Dispositif de blocage d'un pene de serrure de porte en cas de tentative d'effraction |
EP1199427A1 (fr) * | 2000-10-20 | 2002-04-24 | Stremler | Serrure à pêne coulissant à sécurité améliorée |
-
2004
- 2004-02-05 FR FR0401116A patent/FR2866049B1/fr not_active Expired - Fee Related
-
2005
- 2005-02-02 EP EP20050002343 patent/EP1561885B1/fr active Active
- 2005-02-02 DE DE200560010314 patent/DE602005010314D1/de active Active
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2564884A1 (fr) * | 1984-05-23 | 1985-11-29 | Chauvat Sofranq | Dispositif de securite pour serrure du genre en applique. |
DE3800298A1 (de) * | 1988-01-08 | 1989-07-20 | Karrenberg Fa Wilhelm | Einsteckschloss |
DE8814086U1 (fr) * | 1988-11-10 | 1989-01-05 | Mohr, Hans-Dietrich, 5830 Schwelm, De | |
EP0651116A1 (fr) * | 1993-10-29 | 1995-05-03 | Vachette | Serrure de porte équipée d'un dispositif de protection |
FR2770247A1 (fr) * | 1997-10-28 | 1999-04-30 | Fichet Serrurerie Batiment Fsb | Dispositif de blocage d'un pene de serrure de porte en cas de tentative d'effraction |
EP1199427A1 (fr) * | 2000-10-20 | 2002-04-24 | Stremler | Serrure à pêne coulissant à sécurité améliorée |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2438491A (en) * | 2006-05-15 | 2007-11-28 | Michael Joyce | Door entry prevention device with biased lock concealing device |
GB2438491B (en) * | 2006-05-15 | 2011-06-01 | Michael Joyce | Door entry prevention device |
WO2008094472A2 (fr) * | 2007-01-26 | 2008-08-07 | Stanley Chung | Type de structure principale de serrure et serrure de porte à combinaison reposant sur l'utilisation d'une telle structure |
WO2008094472A3 (fr) * | 2007-01-26 | 2008-11-20 | Stanley Chung | Type de structure principale de serrure et serrure de porte à combinaison reposant sur l'utilisation d'une telle structure |
CN101008297B (zh) * | 2007-01-26 | 2010-10-13 | 庄子平 | 一种组合门锁 |
ITRM20090258A1 (it) * | 2009-05-20 | 2010-11-21 | Gruben Italia Security S P A | Serratura di sicurezza. |
FR2963634A1 (fr) * | 2010-08-06 | 2012-02-10 | Bricard | Serrure de porte comprenant un dispositif de protection de gorge |
Also Published As
Publication number | Publication date |
---|---|
DE602005010314D1 (de) | 2008-11-27 |
FR2866049B1 (fr) | 2006-06-09 |
EP1561885B1 (fr) | 2008-10-15 |
FR2866049A1 (fr) | 2005-08-12 |
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