EP0307347B1 - Dispositif protecteur pour serrure - Google Patents

Dispositif protecteur pour serrure Download PDF

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Publication number
EP0307347B1
EP0307347B1 EP88730203A EP88730203A EP0307347B1 EP 0307347 B1 EP0307347 B1 EP 0307347B1 EP 88730203 A EP88730203 A EP 88730203A EP 88730203 A EP88730203 A EP 88730203A EP 0307347 B1 EP0307347 B1 EP 0307347B1
Authority
EP
European Patent Office
Prior art keywords
plate
lock
recess
metal body
cylinder
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
EP88730203A
Other languages
German (de)
English (en)
Other versions
EP0307347A1 (fr
Inventor
Jürgen Krühn
Hans-Peter Range
Werner Föhl
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.)
Ikon AG Prazisionstechnik
Original Assignee
Ikon AG Prazisionstechnik
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 Ikon AG Prazisionstechnik filed Critical Ikon AG Prazisionstechnik
Priority to AT88730203T priority Critical patent/ATE59687T1/de
Publication of EP0307347A1 publication Critical patent/EP0307347A1/fr
Application granted granted Critical
Publication of EP0307347B1 publication Critical patent/EP0307347B1/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
    • E05B15/16—Use of special materials for parts of locks
    • E05B15/1614—Use of special materials for parts of locks of hard materials, to prevent drilling
    • 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
    • E05B2015/1628—Free-rotating protecting covers or discs

Definitions

  • the innovation relates to a lock protection device according to the preamble of protection claim 1.
  • lock protection devices which are intended to prevent a lock cylinder from breaking off. These consist of a metal body, which surrounds a part of the lock cylinder, namely the part that protrudes from the door plate, and within this body a plate is also made of metal, which has a slot for inserting the key into the lock. This plate is rotatably arranged. DE-OS-25 57 151 may be mentioned as an example of this.
  • a rotatable cover, which is intended to prevent the lock cylinder from breaking off, is known from DE-OS-19 26 519.
  • the invention is therefore based on the object of providing a lock protection device which, on the one hand, makes it difficult to break open the lock or pull out the core and, on the other hand, enables the key to be inserted securely into the cylinder core in order to carry out the locking movement.
  • this object is achieved in that the plate arranged in the hard metal body surrounding the lock cylinder can be displaced axially parallel to the cylinder axis within the recess of this hard metal body by stops.
  • the plate can be under an axial spring pressure, so that it always inevitably bears against the cylinder core or the housing during its axial displacement within the recess, thus avoiding any play between this plate and the core that a safe insertion of the key is guaranteed.
  • the plate in a second embodiment of the invention, can be screwed into the hard metal body by means of an internal thread on the recess of the hard metal body or an external thread on the plate, so that the plate is also in contact with the cylinder core. Even after a corresponding fixation of the plate from the inside, which prevents further screwing in or unscrewing, the necessary transition from the plate into the core for the key is then possible, and thus finally a correct closing.
  • a schematic cross section and a front view through the lock protection device are shown in the figures.
  • the lock protection device consists of a metal body 1 surrounding the lock cylinder, which has a recess 3.
  • the plate 2 which is also made of metal, is rotatably arranged in this recess 3 and is axially displaceable, its advancement being limited by an outer stop 4 and an inner stop 5.
  • the metal body 1 is applied from the outside to the lock cylinder and fastened there, in such a way that from the inside the cylinder core presses against the plate 2, which in turn is under the action of a spring 6 and is thus pressed against the core. This ensures that there is no play between the plate and the core and a secure insertion of the key is guaranteed.
  • the metal body 1 is also shown in section and in the recess 3 there is the plate, which is provided with the reference number 7 here.
  • This plate has an external thread 8 while the recess of the metal body has an internal thread 9.
  • the threaded plate has on its front side a rotatable second plate 7a which cannot be displaced in the axial direction relative to it.
  • the connection between threaded plate 7 and plate 7a can e.g. by flanging 7b. In this way, the threaded plate 7 with plate 7a is axially displaceable within the recess of the metal body 1 and can thus be pressed against the cylinder core.
  • An external stop 4 is also provided here, which prevents the plate from being unscrewed.

Landscapes

  • Lock And Its Accessories (AREA)
  • Infusion, Injection, And Reservoir Apparatuses (AREA)

Claims (4)

1. Dispositif de protection pour serrure comprenant un corps métallique (1), qui entoure la surface externe du cylindre de fermeture, qui y est fixé et qui présente un évidement interne (3) adapté au noyau du barillet, et comprenant une plaque (2) en métal, qui repose de manière à pouvoir tourner dans l'évidement et qui présente une fente pour l'introduction de la clé dans la serrure, caractérisé en ce que la plaque (2) est délimitée par des arrêts (4, 5) et est déplaçable axialement et parallèlement à l'axe du cylindre à l'intérieur de l'évidement (3).
2. Dispositif de protection pour serrure suivant la revendication 1, caractérisé en ce que la voie de déplacement de la plaque (2) est limité par des arrêts intérieur et extérieur (4, 5) dans l'évidement (3) du corps métallique (1), le déplacement en direction de l'arrêt externe (4) se faisant à l'encontre de la force d'un ressort (6).
3. Dispositif de protection pour serrure suivant la revendication 1, caractérisé en ce que la plaque (7) présente un filet externe (8) et l'évidement (3) un filet interne (9) dans le corps métallique (1) et en ce que l'arrêt interne est formé par un vissage correspondant de la plaque (7) dans l'évidement et par une fixation là-bas tandis que l'arrêt externe (4) empêche un dévissage de la plaque (7).
4. Dispositif de protection pour serrure suivant la revendication 1, caractérisé en ce que la plaque (7) est réalisée en deux parties, les deux parties (7, 7a) étant agencées l'une derrière l'autre axialement, et en ce que l'une partie (7) de la plaque présente le filet axial (8) et que celle-ci peut être fixée dans l'évidement (3), tandis que l'autre partie (7a) est maintenue de manière à pourvoir tourner par rapport à cette partie mais de manière à ne pas pouvoir se déplacer axialement.
EP88730203A 1987-09-10 1988-09-06 Dispositif protecteur pour serrure Expired - Lifetime EP0307347B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT88730203T ATE59687T1 (de) 1987-09-10 1988-09-06 Schlossschutzvorrichtung.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE8712272U 1987-09-10
DE8712272U DE8712272U1 (de) 1987-09-10 1987-09-10 Schloßschutzvorrichtung

Publications (2)

Publication Number Publication Date
EP0307347A1 EP0307347A1 (fr) 1989-03-15
EP0307347B1 true EP0307347B1 (fr) 1991-01-02

Family

ID=6811959

Family Applications (1)

Application Number Title Priority Date Filing Date
EP88730203A Expired - Lifetime EP0307347B1 (fr) 1987-09-10 1988-09-06 Dispositif protecteur pour serrure

Country Status (3)

Country Link
EP (1) EP0307347B1 (fr)
AT (1) ATE59687T1 (fr)
DE (2) DE8712272U1 (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2639394B1 (fr) * 1988-11-23 1995-06-23 Cavers Ets Dispositif de protection pour mecanisme de serrure a cylindre
DE3905326C2 (de) * 1989-02-17 1997-02-27 Ikon Praezisionstechnik Einrichtung zum Schutz eines Schließzylinders
FR2762637B1 (fr) * 1997-04-24 1999-07-09 Vachette Sa Cylindre de surete pour serrure ayant une protection amelioree contre l'effraction
FR2762636B1 (fr) * 1997-04-24 1999-07-02 Vachette Sa Cylindre de surete pour serrure ayant une protection amelioree contre l'effraction
DE10001678C1 (de) 2000-01-12 2001-09-06 Ikon Ag Praez Stechnik Schließzylinder
WO2014167588A1 (fr) * 2013-04-09 2014-10-16 Cisas.P.A. Vérin résistant à la rupture

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1265055A (fr) * 1968-05-25 1972-03-01
FR2264150A1 (en) * 1974-03-15 1975-10-10 Antivols Simplex Sa Sliding keyhole cover for cylinder lock - is spring loaded and slides on slotted cylinder cap
GB8616667D0 (en) * 1986-07-09 1986-08-13 Harris K R Lockable escutcheon

Also Published As

Publication number Publication date
DE3861368D1 (de) 1991-02-07
EP0307347A1 (fr) 1989-03-15
ATE59687T1 (de) 1991-01-15
DE8712272U1 (de) 1987-11-19

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