EP1580356A1 - Vorrichtung zum Schutz eines Türschliesszylinders - Google Patents

Vorrichtung zum Schutz eines Türschliesszylinders Download PDF

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Publication number
EP1580356A1
EP1580356A1 EP05002128A EP05002128A EP1580356A1 EP 1580356 A1 EP1580356 A1 EP 1580356A1 EP 05002128 A EP05002128 A EP 05002128A EP 05002128 A EP05002128 A EP 05002128A EP 1580356 A1 EP1580356 A1 EP 1580356A1
Authority
EP
European Patent Office
Prior art keywords
trunk
protective device
barrel
armor
recess
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
EP05002128A
Other languages
English (en)
French (fr)
Other versions
EP1580356B1 (de
Inventor
Alain Lartisien
Thierry Farcy
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.)
Bricard SAS
Original Assignee
Bricard SAS
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 Bricard SAS filed Critical Bricard SAS
Publication of EP1580356A1 publication Critical patent/EP1580356A1/de
Application granted granted Critical
Publication of EP1580356B1 publication Critical patent/EP1580356B1/de
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
    • 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
    • E05B15/02—Striking-plates; Keepers; Bolt staples; Escutcheons
    • 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

Definitions

  • the present invention relates, on the one hand, to a device for protection for a door lock comprising a barrel provided with a bit intended to be positioned inside a chest, and secondly, to a door lock equipped with such a protective device.
  • Patent Application FR 2 708 025 describes a door lock equipped with a protective device of this type.
  • This protection device includes a shield capable of covering a portion of the barrel opening the outside of the room to be protected, a blocking member adapted to grip a part the barrel opening inside the room to be protected, and fixing screws intended to cross the trunk and allow the attachment of the shield to the locking member.
  • the shield extends axially two studs located on either side of a longitudinal housing provided for receive the barrel. These pads each have a tapped axial hole for receive one of the fixing screws, and are bordered by parallel faces defining between them a passage in extension of the lower part of the longitudinal housing. Moreover, these parallel faces are prolonged according to cylindrical surfaces with circular section for the movement of the bit.
  • the Burglar can only access the barrel by breaking the shield.
  • a protective device has disadvantages residing in the fact that, on the one hand, the chest must have an internal volume sufficient to allow the housing of the studs, and secondly, the cylindrical surfaces of the parallel faces of the studs are relatively difficult to achieve.
  • the present invention aims to overcome the disadvantages cited above, and for this purpose consists of a protective device for a door lock comprising a barrel provided with a bit provided for be positioned inside a chest, said protection device comprising a cuirass capable of covering a first part of the barrel opening to the outside of the room to be protected, a blocking element able to grip a second part of the barrel opening inside the premises to be protected, and fastening means provided for crossing the trunk and allowing attachment from the cuirass to the locking element, said armor being intended to come to contact of the trunk face located outside the room to be protected by via a rear face equipped with at least two lugs located in the extension of the cuirass and each traversed by an axial bore, characterized in that each of these pins is adapted to be housed in a corresponding recess dug into the thickness of the trunk face located opposite the rear face of the cuirass.
  • these lugs being designed so as not to penetrate the trunk, and therefore to remain outside the trunk, it follows, on the one hand, that he it is no longer necessary to provide a clearance inside the trunk, and on the other hand, that these lugs can no longer interfere with the travel of the bit.
  • These pins are therefore small and can be fashioned very easily, which further reduces the total mass and the cost price of the cuirass.
  • each recess comprises a bottom crossed by an orifice intended to be located opposite the axial bore presented by the corresponding ergot.
  • the rear face of the cuirass comprises two lugs arranged on either side of a central opening adapted to the section of the barrel.
  • the backside in part bottom of the breastplate, is provided with a nose designed to expand under the chest.
  • This nose preferably has a substantially equal length to the thickness of the trunk, and has an axial bore.
  • the chest has a clearance for the passage of the nose.
  • a recess is dug in the lower part of the cuirass in the vicinity of his face back, and this recess is filled by means of a hardness material more high. It will be very difficult for the burglar to pierce the cuirass in lower part in order to reach the fastening means passing through the bores axial spurs.
  • the blocking element is advantageously realized in the form of a washer having, on the one hand, a central perforation adapted to the section of the barrel, and secondly, orifices provided for the passage of the fastening means.
  • 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.
  • the trunk is preferably consisting of two flanges assembled to one another, and each flange advantageously decomposes, on the one hand, into a first element covering the upper part of the chest, and secondly, in a second Reinforced hardness element covering the lower part of the trunk.
  • a door lock 1 as shown in Figures 1, 2 and 4, comprises a box 2 made with two flanges 3 assembled to each other. This chest 2 is attached to a headrest 4, and encloses parts well known to those skilled in the art usually used for locking and unlocking a locking bolt 5.
  • Each flange 3 comprises, in the lower part, an opening central unit 6 adapted to the section of a barrel 7, the latter presenting a first part 8 and a second part 9 separated from each other by a bit 10 median moving in rotation.
  • Each flange 3 also includes a clearance 11 under the central opening 6.
  • each flange 3 has two recesses 12 arranged on either side of the central opening 6, each recess 12 being hollowed into the thickness of the flange 3 and having a bottom 13 crossed through an orifice 14.
  • the bit 10 is housed in said trunk 2, and the first part 8 and the second part 9 of the cylinder 7 project respectively on one side and the other of said 2.
  • the first part 8 is intended to protrude outside the room to be protected (not shown), and that the second part 9 is provided to protrude inside the room to protect.
  • the bit 10 can then force the bolt of condemnation 5 to translate under the action of a key 40 introduced into the barrel 7.
  • a cuirass 15 is made of a material at the hardness higher than that of the material in which the barrel 7 is shaped, and has a front face 16 intended to be oriented outwards, a side wall 17 designed to cover the first portion 8 of the barrel 7, and a rear face 18 intended to come into contact with the flange 3 located outside the local to protect.
  • each of these two lugs 19 of thin axial axis projects partially bottom of the rear face 18 of the armor 15, and are arranged on both sides. other than a central opening 20 adapted to the first part 8 of the barrel 7.
  • each of these two lugs 19 is traversed by an axial bore 21 tapped.
  • the rear face 18 is provided with a nose 22 whose length is substantially equal to the thickness of the trunk 2. This nose 22 is also traversed by a tapped axial bore 24.
  • each of the two lugs 19 is housed in the corresponding recess 12 of the flange 3 located opposite the armor 15, and the nose 22 passes through the clearance 11 provided under the central opening 6 of the 2.
  • each lug 19 abuts against the bottom 13 of the recess 12, and the axial bore 21 of each lug 19 is disposed in view of the orifice 14 presented by said corresponding bottom 13.
  • a blocking element 25 is then reported around the second part 9 of the cylinder 7.
  • This blocking element 25 is produced under the form of a washer having a central opening 27 adapted to the section barrel 7, two orifices 28 side disposed on either side of the opening central 27, and an orifice 29 located below said central opening 27.
  • Each of the two orifices 28 is placed in alignment with, on the one hand, holes 14 presented by the recesses 12, and secondly, bores axial 21 presented by the pins 19.
  • the orifice 29 is placed in the alignment of the axial bore 24 presented by the nose 22.
  • a fixing screw 30 provided with a head 31 can then be inserted in each of the orifices 28, 29. As shown in FIG. 30 are respectively screwed into the axial bores 21 of the 19 and in the axial bore 24 of the nose 22, and finally allow to press the locking element 25 against the flange 3 which faces it.
  • a protection device is therefore particularly advantageous since, in addition to the fact that the lugs 19 are located outside the trunk 2 and are therefore not likely to interfere with the deflection of the bit 10, the fixing screws 30 which ensure the attachment of the armor 15 to the locking element 25 are not directly accessible from the outside. Indeed, these fastening screws 30 do not can be damaged only to the extent that the burglar has previously destroyed the pins 19 which are masked by the 12. In addition, even in this case, the armor 15 remains solidary of the locking element 25 through the nose 22 which extends under the chest 2. Finally, the armor 15 is protected against attempts of tearing downwardly and upwardly, respectively, with the lugs 19 held blocked in the recesses 12, and the nose 22 housed in the clearance 11.
  • a recess is dug in the lower part of the cuirass 15 in the vicinity of its rear face 18, and this recess is filled by means of a material 32 with higher hardness that of the material used to shape the cuirass 15.
  • the trunk 2 is advantageously made from two flanges 3 each provided with recesses 12. Indeed, this allows ensure that, regardless of the final location of the door lock 1, a cuirass 15 can be reported on the part of the barrel 7 located outside the premises to be protected.
  • each flange 3 is advantageously decomposes, on the one hand, into a first element 3a covering the upper part of the box 2, and secondly, in a second element 3b reinforced hardness covering the lower part of the trunk 2.
  • the second element 3b comprises, at the level its inner face, protuberances 33 directed towards the inside of the trunk 2 and designed to frame certain parts of the lock 1 to protect them effectively.
  • These pieces are the pieces traditionally used for allow the translational movement of the locking bolt 5 during the rotation of the key 40, and include in particular the throat (no shown) which cooperates with the tail of the locking bolt 5.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Lock And Its Accessories (AREA)
EP20050002128 2004-02-05 2005-02-02 Vorrichtung zum Schutz eines Türschliesszylinders Active EP1580356B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0401092A FR2866047B1 (fr) 2004-02-05 2004-02-05 Dispositif de protection de barillet de serrure de porte
FR0401092 2004-02-05

Publications (2)

Publication Number Publication Date
EP1580356A1 true EP1580356A1 (de) 2005-09-28
EP1580356B1 EP1580356B1 (de) 2006-08-23

Family

ID=34778524

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20050002128 Active EP1580356B1 (de) 2004-02-05 2005-02-02 Vorrichtung zum Schutz eines Türschliesszylinders

Country Status (3)

Country Link
EP (1) EP1580356B1 (de)
DE (1) DE602005000083D1 (de)
FR (1) FR2866047B1 (de)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1688565A1 (de) * 2005-01-10 2006-08-09 Massimo Valente Schloss mit erhöhter Sicherheit gegen Aufbrechen
GB2512579A (en) * 2013-03-08 2014-10-08 Uap Ltd A lock guard
IT201900009732A1 (it) * 2019-06-21 2020-12-21 Pier Luigi Oliana Dispositivo di protezione per serrature.

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT201900009720A1 (it) * 2019-06-21 2020-12-21 Fabbro Emanuela Dal Dispositivo di protezione per serrature.

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3604719A1 (de) * 1986-02-14 1987-08-20 Feral Sicherheitstechnik Elisa Einbruchsicherung fuer schloesser
EP0281519A2 (de) * 1987-03-06 1988-09-07 Ernst Keller Vorrichtung zum Befestigen eines Drehschliesszylinders
FR2708025A1 (fr) * 1993-07-22 1995-01-27 Vachette Sa Dispositif de protection de barillet de serrure de porte.
FR2816975A1 (fr) * 2000-11-20 2002-05-24 Jean Michel Louvet Dispositif de protection conte l'effraction de serrures a cylindres europeen
FR2831911A1 (fr) * 2001-11-05 2003-05-09 Bricard Sa Bloc de surete anti effraction pour serrure

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3604719A1 (de) * 1986-02-14 1987-08-20 Feral Sicherheitstechnik Elisa Einbruchsicherung fuer schloesser
EP0281519A2 (de) * 1987-03-06 1988-09-07 Ernst Keller Vorrichtung zum Befestigen eines Drehschliesszylinders
FR2708025A1 (fr) * 1993-07-22 1995-01-27 Vachette Sa Dispositif de protection de barillet de serrure de porte.
FR2816975A1 (fr) * 2000-11-20 2002-05-24 Jean Michel Louvet Dispositif de protection conte l'effraction de serrures a cylindres europeen
FR2831911A1 (fr) * 2001-11-05 2003-05-09 Bricard Sa Bloc de surete anti effraction pour serrure

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1688565A1 (de) * 2005-01-10 2006-08-09 Massimo Valente Schloss mit erhöhter Sicherheit gegen Aufbrechen
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
IT201900009732A1 (it) * 2019-06-21 2020-12-21 Pier Luigi Oliana Dispositivo di protezione per serrature.

Also Published As

Publication number Publication date
DE602005000083D1 (de) 2006-10-05
FR2866047B1 (fr) 2006-05-26
FR2866047A1 (fr) 2005-08-12
EP1580356B1 (de) 2006-08-23

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