EP1580355A1 - Türschloss mit ein verstärktes Element - Google Patents

Türschloss mit ein verstärktes Element Download PDF

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Publication number
EP1580355A1
EP1580355A1 EP05002127A EP05002127A EP1580355A1 EP 1580355 A1 EP1580355 A1 EP 1580355A1 EP 05002127 A EP05002127 A EP 05002127A EP 05002127 A EP05002127 A EP 05002127A EP 1580355 A1 EP1580355 A1 EP 1580355A1
Authority
EP
European Patent Office
Prior art keywords
door lock
groove
cover
hardness
reinforced
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
EP05002127A
Other languages
English (en)
French (fr)
Other versions
EP1580355B1 (de
Inventor
Alain Lartisien
Thierry Farcy
Jean-Marc Broyer
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 EP1580355A1 publication Critical patent/EP1580355A1/de
Application granted granted Critical
Publication of EP1580355B1 publication Critical patent/EP1580355B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • E05B9/02—Casings of latch-bolt or deadbolt locks
    • 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
    • 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
    • E05B63/00—Locks or fastenings with special structural characteristics
    • E05B63/0017—Locks with sliding bolt without provision for latching

Definitions

  • the present invention relates to a door lock having a trunk crossed by a barrel provided with a rotating bit provided to push back a suitable groove, under the action of an elastic return means, to come into engagement with teeth presented by a tail of a bolt of conviction.
  • Another solution consists in fixing plates of protection on both sides of the door to be protected, substantially at the level of the lock.
  • the disadvantage is that these plates being immediately accessible to the burglar, the protection conferred by them is relatively minimal.
  • the present invention aims to overcome the disadvantages previously mentioned, and consists of a door lock comprising a trunk crossed by a barrel equipped with a rotary bit provided for push a suitable groove, under the action of an elastic return means, to come into engagement with teeth presented by a tail of a bolt of condemnation, characterized in that the trunk is made using two complementary flasks each comprising at least one hardness zone reinforced located respectively opposite the groove and facing the tail of the bolt.
  • each flange comprises two separate covers, one of which is made of a material with increased hardness.
  • each bonnet with reinforced hardness is made of cast steel, and each associated cover is made using a sheet metal stamped metal.
  • each reinforced hardness hood has a greater thickness than the associated cover.
  • each bonnet with reinforced hardness is extended by at least one lug of reduced thickness for fixing the associated hood.
  • the thickness of each leg is chosen substantially equal to the difference in thickness measured between hardened bonnet and associated hood.
  • each bonnet with reinforced hardness has an internal face equipped with at least one protuberance adapted to protect the throat.
  • the groove may have a protruding element overhanging the groove.
  • the latter is preferably surmounted by a nipple on which is the elastic return means, and the projecting element has advantageously a recess serving as a housing for the return means elastic.
  • the inner face of the reinforced hardness hood facing the throat can be equipped with two longitudinal ribs framing the throat.
  • a lock according to the invention can include a breastplate intended to cover a first part of the barrel opening out of the room to be protected, a blocking element suitable for enclose a second part of the barrel opening inside the room to protect, and fastening means provided to cross the trunk and allow the attachment of the armor to the locking element, said armor being intended to come into contact with the flange 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, and each of these pins being adapted to be housed in a recess corresponding dug in the thickness of the flange located opposite the face back of the cuirass.
  • the fastening means not being accessible since outside the premises, the burglar can only access the barrel after having fractured 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 is preferably provided with a nose designed to extend under the chest.
  • a door lock 1 according to the invention, as shown in Figures 1 to 3, comprises a box 2 made with two flanges 3 assembled to each other.
  • each flange 3 is decomposed, on the one hand, into a top cover 3a, and secondly, a lower cover 3b hardness strengthened.
  • Each of the upper covers 3a is made using a sheet metal stamped metal, and each of the lower hardened reinforced bonnet 3b is made of cast steel.
  • each lower cover 3b with increased hardness has a thickness greater than that of the upper cover 3a associated.
  • each of the two lower covers 3b is extended towards the high by a leg 4 of reduced thickness, intended to be covered by the upper cover 3a associated, and used for fixing said upper cover 3a associated.
  • one of the two legs 4 is extended by a pin 5 adapted to come and stay in a mortise 6 presented by the other leg 4.
  • each of the two legs 4 carries a perforation 7 in which can be inserted a fixing screw 8 to connect the two legs 4 to each other.
  • the thickness of each leg 4 is chosen substantially equal to the difference in thickness measured between said lower cover 3b and said associated upper cover 3a.
  • the chest 2 is attached to a headrest 9, and contains the parts well known to those skilled in the art usually used to ensure the locking and unlocking a locking bolt 10.
  • Each lower cover 3b has, in the lower part, a central opening 11 adapted to the section of a barrel 12, the latter having a first part 13 and a second part 14 separated one from the other by a medial blade 15 rotating in rotation.
  • Each hood lower 3b also has a clearance 16 under the opening Central 11.
  • each lower cover 3b has two recesses 17 arranged on either side of the central opening 11, each recess 17 being hollowed out in the thickness of the lower cover 3b and having a bottom 18 traversed by an orifice 19.
  • the bit 15 is housed in said case 2, and the first part 13 and the second portion 14 of the barrel 12 protrude respectively on one side and the other of the said safe 2.
  • the first part 13 is intended to protrude outside the premises to be protected (not shown), and that the second portion 14 is intended to protrude from inside the premises to be protected.
  • the bit 15 is intended to cooperate with a groove 20 when it is rotated with a key 21 introduced in the barrel 12.
  • a cuirass 22 is made of a material at the hardness higher than that of the material in which the barrel 12 is shaped, and has a front face 24 intended to be oriented towards the outside, a side wall 25 designed to cover the first portion 13 of the barrel 12, and a rear face 26 intended to come into contact with the lower cover 3b located at outside the premises to be protected.
  • each of these two lugs 27 is traversed by a bore axial threaded.
  • the rear face 26 is provided with a nose 30 whose length is substantially equal to the thickness of the trunk 2. This nose 30 is also traversed by a tapped axial bore 31.
  • each of the two pins 27 is housed in the recess 17 corresponding to the lower cover 3b located opposite the armor 15, and the nose 30 passes through the clearance 16 provided under the opening central 11 of the trunk 2. In doing so, each lug 27 abuts against the bottom 18 of the recess 17, and the axial bore 29 of each lug 27 is arranged opposite the orifice 19 presented by said corresponding bottom 18.
  • a blocking element 32 is then reported around the second part 14 of the cylinder 12.
  • This locking element 32 is produced under the form of a washer having a central opening 33 adapted to the section barrel 12, two lateral orifices 34 arranged on either side of the central opening 33, and an orifice 35 located below said opening 33.
  • Each of the two orifices 34 is placed in the alignment of a on the other hand, openings 19 presented by the recesses 17, and on the other hand, axial bores 29 presented by the pins 27.
  • the orifice 35 is placed in alignment with the axial bore 31 presented by the nose 30.
  • a fixing screw 37 provided with a head 38 can then be inserted in each of the orifices 34, 35. As can be deduced from the 3, these fixing screws 37 are respectively screwed into the bores axial 29 of the lugs 27 and in the axial bore 31 of the nose 30, and allow finally to press the locking element 32 against the lower cover 3b which face him.
  • a protection device is therefore particularly advantageous since, in addition to the fact that the pins 27 are located outside the trunk 2 and are therefore not likely to interfere with the deflection of the bit 15, the fixing screws 37 which ensure the attachment of the armor 22 to the locking element 32 are not directly accessible from the outside. Indeed, these fixing screws 37 do not can be damaged only to the extent that the burglar has previously destroyed the pins 27 which are masked by the 17. In addition, even in this case, the armor 22 remains solidary of the locking element 32 via the nose 30 which extends under the chest 2. Finally, the armor 22 is protected against attempts of tearing downwardly and upwardly, respectively, to the lugs 27 held blocked in the recesses 17, and the nose 30 housed in the clearance 16.
  • a recess is dug in the lower part of the cuirass 22 in the vicinity of its rear face 26, and this recess is filled by means of a material 39 with higher hardness that of the material used to shape the cuirass 22.
  • this groove 20 is constituted by a plate having an inner face 40 arranged on one side of the tail 41 of the bolt 10.
  • This groove 20 has an oblong slot 42 crossed by a transverse axis 43 integral with the trunk 2.
  • the groove 20 comprises, on the one hand, a shoulder 44 protruding into which is hollowed a recess 45 in order to constitute a housing adapted to cooperate with the teeth 46 of the tail 41 of the 10, and on the other hand, a stop element 47, separated from the shoulder 44, and having a substantially planar contact surface 48.
  • This shoulder 44 is surmounted by a pin 49 on which is centered a first end a compression spring 50.
  • the compression spring 50 is housed in a recess 51 a first projecting element 52 formed in the lower cover 3b located face at the groove 20, and has a second end bearing against a stop 53 horizontal overhanging the recess 51.
  • a second element in projection 54 is formed above the first, and these two protruding elements 52, 54 allow to sandwich a third element 55 making projection of the other lower cover 3b. It is therefore almost impossible to access to the compression spring 50 during an attempted break-in.
  • the inner face of the lower cover 3b located next to the groove 20 is equipped with two longitudinal ribs 56 preventing any lateral displacement of said throat 20.
  • a protection plate 57 provided with an internal face 58 is reported on the other side of the tail 41 of the bolt 10.
  • This protection plate 57 has an oblong slot 59 traversed by the integral transverse axis 43 2.
  • the plate of protection 57 has a protuberance 60 comprising a tooth 61 extended by a lug 62.
  • a groove 64 parallel to the tail 41 of the bolt 10 is dug at the top of the protuberance 60 and constitutes a housing apt to accommodate a first branch 65 of a torsion spring 66 placed around a fixed element 67 integral with the door lock 1.
  • the second branch 68 of this torsion spring 66 is provided for abut against the return 69 of one of the two lower covers 4.
  • This fixed element 67 overhangs the groove 20 and the protective plate 57, and is offset with respect to these.
  • the groove 20 and the protection plate 57 are returned, respectively by the compression spring 50 and the torsion spring 66, towards the tail 41 of the bolt 10.
  • one of the teeth 46 of the lug 41 of bolt 10 is housed in the recess 45 presented by the shoulder 44 of the groove 20 so as to lock the bolt 10 in translation, the tooth 61 of the protuberance 60 rests on the shank 41 of the bolt 10, and the lug 62 protrusion 60 is inserted between the shoulder 44 and the stop member 47 arranged in the groove 20. More specifically, the lug 62 is intended to come resting against the substantially flat contact surface 48 of the element of stop 47.
  • the teeth 46 of the tail 41 of the bolt 10 are disengaged from the groove 20, and the bolt of condemnation 10 can then be driven in translation by said blade 15 during the second half of his race.
  • the groove 20 and the protective plate 57 are then animated by a translation movement downwards under the effect of the compression spring 50 and the torsion spring 66 which gradually relax.
  • one of the teeth 46 of the tail 41 of the bolt 10 is housed in the recess 45 of the groove 20, and it follows that the bolt 10 is locked in translation.
  • the groove 20 and the protective plate 57 remain immobile relative to each other, and therefore the lug 62 remains in bearing against the contact surface 48 of the abutment element 47.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Lock And Its Accessories (AREA)
  • Aiming, Guidance, Guns With A Light Source, Armor, Camouflage, And Targets (AREA)
EP20050002127 2004-02-05 2005-02-02 Türschloss mit einem verstärkten Element Expired - Lifetime EP1580355B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0401117A FR2866046B1 (fr) 2004-02-05 2004-02-05 Serrure de porte munie d'un coffre renforce
FR0401117 2004-02-05

Publications (2)

Publication Number Publication Date
EP1580355A1 true EP1580355A1 (de) 2005-09-28
EP1580355B1 EP1580355B1 (de) 2006-08-23

Family

ID=34778539

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20050002127 Expired - Lifetime EP1580355B1 (de) 2004-02-05 2005-02-02 Türschloss mit einem verstärkten Element

Country Status (3)

Country Link
EP (1) EP1580355B1 (de)
DE (1) DE602005000082D1 (de)
FR (1) FR2866046B1 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102011050534A1 (de) * 2011-05-20 2012-11-22 Sebastian Callens Einsteckschloss mit einer universellen Adapterplattenvorrichtung zur Ankopplung von im Türblatt eingelassenen Türdrückern oder Türknäufen

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2963634B1 (fr) * 2010-08-06 2012-09-07 Bricard Serrure de porte comprenant un dispositif de protection de gorge

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE7004312U (de) * 1970-02-07 1970-05-21 Tiefenthal Geb Schloss, insbesondere tuerschloss.
DE1703058A1 (de) * 1968-03-27 1972-04-13 Hans Bruegemann Schloss mit Zuhaltungsschiebern
GB1548298A (en) * 1975-04-30 1979-07-11 Gkn Stenman Ab Locks and to a method of protecting lock mechanism
DE3030393A1 (de) * 1980-08-12 1982-02-18 Fa. Wilhelm Karrenberg, 5620 Velbert Einsteckschloss
DE3111247A1 (de) * 1981-03-21 1982-10-21 Fa. Wilhelm Karrenberg, 5620 Velbert Einsteckschloss
FR2761395A1 (fr) * 1997-04-01 1998-10-02 Vachette Sa Serrure ayant une resistance amelioree a l'effraction

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1703058A1 (de) * 1968-03-27 1972-04-13 Hans Bruegemann Schloss mit Zuhaltungsschiebern
DE7004312U (de) * 1970-02-07 1970-05-21 Tiefenthal Geb Schloss, insbesondere tuerschloss.
GB1548298A (en) * 1975-04-30 1979-07-11 Gkn Stenman Ab Locks and to a method of protecting lock mechanism
DE3030393A1 (de) * 1980-08-12 1982-02-18 Fa. Wilhelm Karrenberg, 5620 Velbert Einsteckschloss
DE3111247A1 (de) * 1981-03-21 1982-10-21 Fa. Wilhelm Karrenberg, 5620 Velbert Einsteckschloss
FR2761395A1 (fr) * 1997-04-01 1998-10-02 Vachette Sa Serrure ayant une resistance amelioree a l'effraction

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102011050534A1 (de) * 2011-05-20 2012-11-22 Sebastian Callens Einsteckschloss mit einer universellen Adapterplattenvorrichtung zur Ankopplung von im Türblatt eingelassenen Türdrückern oder Türknäufen

Also Published As

Publication number Publication date
DE602005000082D1 (de) 2006-10-05
FR2866046B1 (fr) 2006-05-26
FR2866046A1 (fr) 2005-08-12
EP1580355B1 (de) 2006-08-23

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