EP0323575B1 - Armature de sécurité pour serrures de porte munies d'un cylindre de fermeture profilé - Google Patents

Armature de sécurité pour serrures de porte munies d'un cylindre de fermeture profilé Download PDF

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Publication number
EP0323575B1
EP0323575B1 EP88120059A EP88120059A EP0323575B1 EP 0323575 B1 EP0323575 B1 EP 0323575B1 EP 88120059 A EP88120059 A EP 88120059A EP 88120059 A EP88120059 A EP 88120059A EP 0323575 B1 EP0323575 B1 EP 0323575B1
Authority
EP
European Patent Office
Prior art keywords
cylinder
plate
housing
cylinder housing
door
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.)
Expired - Lifetime
Application number
EP88120059A
Other languages
German (de)
English (en)
Other versions
EP0323575A2 (fr
EP0323575A3 (fr
Inventor
Hans-Dieter Niemann
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to AT88120059T priority Critical patent/ATE95876T1/de
Publication of EP0323575A2 publication Critical patent/EP0323575A2/fr
Publication of EP0323575A3 publication Critical patent/EP0323575A3/fr
Application granted granted Critical
Publication of EP0323575B1 publication Critical patent/EP0323575B1/fr
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
    • E05B15/00—Other details of locks; Parts for engagement by bolts of fastening devices
    • E05B15/02—Striking-plates; Keepers; Bolt staples; Escutcheons

Definitions

  • the invention relates to a security fitting for door locks provided with a profile lock cylinder, with at least the front end of the cylinder housing leaving a recess of a door plate, which has a front of the outer contour profile of the cylinder housing and thus preventing it from being pulled out violently, the front end of the cylinder housing having the The outer surface of the door plate is arranged approximately flush, and wherein the cylinder housing has at least one end longitudinally limited circumferential recess in which the plate section engages.
  • Profile lock cylinders are generally known for security locks.
  • the associated key has incisions designed in such a way that the pin tumblers consisting of housing pins and core pins are shifted against a spring load with the aid of this key to such an extent that the separation points between a housing pin and a core pin coincide with the interface between the cylinder core and the cylinder housing. Then the cylinder core can be turned with the key and a lock bit located on the core actuates the associated lock, for example in the opening direction.
  • One method of forcibly opening the lock without an associated key is to pull out the cylinder core by force, thereby creating access to the lock bit and thus opening the lock.
  • This violent pulling out takes place, for example, in such a way that a cutting member, for example a screw, is screwed into the key channel and, after screwing in, serves to forcefully pull the cylinder core out of the cylinder housing.
  • a cutting member for example a screw
  • the locking pins of the pin tumblers are sheared off, and even a locking ring that serves to axially fix the rotatable cylinder core in the cylinder housing cannot prevent this violent pulling out of the cylinder core.
  • the door plate of the security fitting mentioned at the outset in such a way that it only has a circular hole for inserting and rotating the key shaft.
  • the thickness of the door plate means that the profile locking cylinder or its front end is set back by a piece corresponding approximately to the thickness of the door plate, so that either the key shank is long enough or the bore must be made sufficiently large.
  • difficulties can arise when inserting and turning the key, especially if the bore is covered by a plate-shaped, rotatable cover plate which is arranged flush with the outer surface of the door plate and has only one slot for inserting the key shaft.
  • DE 28 20 742 A1 discloses a security fitting with the features mentioned at the beginning, in which the housing web of the cylinder housing is shortened compared to the circular-cylindrical housing part. A shield section which completely covers the housing web engages in the end-side recess of the cylinder housing formed in this way. This section of the shield is thinner than the rest of the shield is thick. The known security fitting therefore still needs to be improved.
  • the invention has for its object to improve a security fitting of the type mentioned so that the violent pulling out of the lock cylinder housing is prevented without interventions or measures on the key or on the door plate.
  • the cylinder housing has at least one groove which is open at the end and parallel to the core and which is approximately the length of a shield and the corresponding engaging shield section is profiled accordingly.
  • the front end of the cylinder housing is arranged approximately flush with the outer surface of the door plate. It is understood, for example, to be flush that the front end can protrude or protrude a few millimeters due to tolerance or size. Under these conditions, conventional keys can be used to actuate the lock cylinder or the cylinder core. It is of further importance that the cylinder housing has a limited longitudinal deep frontal circumferential recess in which the shield section preventing the violent pulling out engages. For this purpose, the shield section is supported on the bottom of the half-pocket-like peripheral recess.
  • the shape of the cylinder housing in connection with an adaptation of the shield for an axially positive and thus preventing the violent pulling out design of the cylinder housing and door plate.
  • the modification is a recess in which the recessed housing material is present on the shield as a securing shield section. Nevertheless, the desired goal of maintaining conventional key designs can be achieved.
  • the engaging shield sections can secure the cylinder or the cylinder housing against movements that can lead to a downward bending of the cylinder housing in the area of the threaded bore of the housing web for the forend screw.
  • the profile lock cylinder can be installed in the usual manner in the door lock or in the lock case, namely from both sides.
  • the production of the groove is not very complex and is possible on the cylinder housing without its undue weakening.
  • the shield section can be produced in one step with the manufacture of the door shield required form are brought. It is particularly advantageous if there are two identically profiled grooves in each of the two opposite outer walls of the housing web of the cylinder housing, and that the door plate has four corresponding plate sections. This results in a symmetrical and thus occurring load evenly distributing design of the cylinder housing and door plate with a handsome design that clarifies the safety function.
  • the security fitting 21 shown in FIG. 1 essentially consists of an outer plate 5, which is arranged on the outside of a door leaf, an inner plate 22 parallel to the outer plate 5, which is arranged on the inside of the door leaf, and the profile locking cylinder 1.
  • the connection of the door plate 5 with the door plate 22 takes place via fastening screws 23, which are screwed into fastening sockets 24 or threaded bushings anchored therein, so that both plates 5, 22 are pulled against the outer surfaces of the door leaf (not shown) when the fastening screw 23 is tightened.
  • the profile lock cylinder 1 has in a conventional manner a housing web 13 with a threaded bore 25 for inserting faceplate screws which are screwed from an end face of the wing through the lock case into the threaded bore 25 and thus fix the lock cylinder 1 in its axial direction.
  • a circular-cylindrical housing part 16 is assigned to the outer shield 5 and a further circular-cylindrical housing part 16 to the inner shield 22, a rotatable locking thumb 26, which actuates a latch and / or latch element of the door lock, being rotatably arranged between the housing parts.
  • a cylinder core 3 which in turn can be rotated by the appropriate key, not shown, which with its key shaft into the key channel 27 of the rotatable cylinder core 3 through an entry slot 28 of the front end 2 of the housing web 13 and the circular cylindrical parts 16 formed cylinder housing 10 is inserted.
  • the front end 2 of the cylinder housing 10 is installed in a recess 4 of the door plate 5 and lies flush with the outer surface 8 of the door plate 5.
  • the slotted ring projection 6 secures the core 3 against being pulled out.
  • two core-parallel grooves 12 are provided as circumferential recesses 9 in the region of the housing web 13 on each outer surface 14 of the housing web 13.
  • Shield sections 7 engage as protrusions of the shield 5 in these approximately shield-thick grooves 12 and thereby prevent the locking cylinder 1 from being pulled out of the shield 5 against the direction A by force.

Landscapes

  • Lock And Its Accessories (AREA)
  • Casings For Electric Apparatus (AREA)

Claims (2)

  1. Garniture de sécurité (21) pour des serrures de portes pourvues d'un cylindre de fermeture profilé (1), comportant une cavité (4) d'une plaque de porte (5) dégageant au moins l'extrémité frontale (2) de l'enveloppe de cylindre (10), laquelle plaque de porte (5) comporte une section de plaque (7) venant en prise devant le profil extérieur de l'enveloppe de cylindre (10) et empêchant ainsi l'arrachement par la force de celle-ci, étant précisé que l'extrémité frontale (2) de l'enveloppe de cylindre (10) est disposée pour former sensiblement une surface plane avec la surface extérieure (8) de la plaque de porte (5), et que l'enveloppe de cylindre (10) présente au moins, côté frontal, une cavité périphérique (9) d'une profondeur longitudinale limitée dans laquelle la section de plaque (7) vient en prise, caractérisée en ce que l'enveloppe de cylindre (10) comporte au moins une rainure (12) ouverte, côté frontal, et parallèle au barillet, qui présente une longueur sensiblement égale à l'épaisseur de la plaque et en fonction de laquelle est profilée la section de plaque (7) qui vient en prise.
  2. Garniture de sécurité selon la revendication 1, caractérisée en ce qu'il est prévu, dans chacune des deux parois extérieures (14) opposées de la barrette (13) de l'enveloppe de cylindre (10), deux rainures (12) à profils identiques, et en ce que la plaque de porte (5) comporte quatre sections de plaque (7) correspondantes.
EP88120059A 1988-01-05 1988-12-01 Armature de sécurité pour serrures de porte munies d'un cylindre de fermeture profilé Expired - Lifetime EP0323575B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT88120059T ATE95876T1 (de) 1988-01-05 1988-12-01 Sicherheitsbeschlag fuer mit einem profilschliesszylinder versehene tuerschloesser.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE8800037U DE8800037U1 (de) 1988-01-05 1988-01-05 Sicherheitsbeschlag für mit einem Profilschließzylinder versehene Türschlösser
DE8800037U 1988-01-05

Publications (3)

Publication Number Publication Date
EP0323575A2 EP0323575A2 (fr) 1989-07-12
EP0323575A3 EP0323575A3 (fr) 1991-02-06
EP0323575B1 true EP0323575B1 (fr) 1993-10-13

Family

ID=6819281

Family Applications (1)

Application Number Title Priority Date Filing Date
EP88120059A Expired - Lifetime EP0323575B1 (fr) 1988-01-05 1988-12-01 Armature de sécurité pour serrures de porte munies d'un cylindre de fermeture profilé

Country Status (3)

Country Link
EP (1) EP0323575B1 (fr)
AT (1) ATE95876T1 (fr)
DE (2) DE8800037U1 (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE8800037U1 (de) * 1988-01-05 1988-03-03 Niemann, Hans Dieter, 5014 Kerpen Sicherheitsbeschlag für mit einem Profilschließzylinder versehene Türschlösser
AU628014B3 (en) * 1992-06-22 1992-07-15 Anderson, Chris Door lock protector
DE9210795U1 (de) * 1992-08-12 1993-12-16 Niemann, Hans Dieter, 50169 Kerpen Sicherheitsbeschlag für mit einem Profilschließzylinder versehene Türschlösser
DE29708138U1 (de) * 1997-05-06 1998-09-24 Niemann, Hans Dieter, 50169 Kerpen Profilschließzylinder
DE10208925C1 (de) * 2002-02-28 2003-02-20 Burkhard Doebeling Schließvorrichtung für einen Sicherheitsbehälter
NL1032005C2 (nl) * 2006-03-30 2007-10-03 Johannes Martinus Loomans Veiligheidsslot en een cilinderslot en een schild voor toepassing bij een dergelijk veiligheidsslot en een werkwijze voor het aanbrengen van een dergelijk cilinderslot of een dergelijk schild.

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2820742A1 (de) * 1978-05-12 1979-11-22 Karrenberg Fa Wilhelm Durch die oeffnung eines tuerbeschlagschildes hindurchtretender schliesszylinder
DE8419098U1 (de) * 1984-06-26 1984-09-20 Wittler, Hans, 4800 Bielefeld Tuerblatt mit aufbohrsicherem tuerschild
DE8800037U1 (de) * 1988-01-05 1988-03-03 Niemann, Hans Dieter, 5014 Kerpen Sicherheitsbeschlag für mit einem Profilschließzylinder versehene Türschlösser

Also Published As

Publication number Publication date
EP0323575A2 (fr) 1989-07-12
ATE95876T1 (de) 1993-10-15
DE8800037U1 (de) 1988-03-03
DE3884931D1 (de) 1993-11-18
EP0323575A3 (fr) 1991-02-06

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