EP0023604B1 - Dispositif de fermeture avec au moins un barrillet de sécurité - Google Patents

Dispositif de fermeture avec au moins un barrillet de sécurité Download PDF

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Publication number
EP0023604B1
EP0023604B1 EP80103977A EP80103977A EP0023604B1 EP 0023604 B1 EP0023604 B1 EP 0023604B1 EP 80103977 A EP80103977 A EP 80103977A EP 80103977 A EP80103977 A EP 80103977A EP 0023604 B1 EP0023604 B1 EP 0023604B1
Authority
EP
European Patent Office
Prior art keywords
key
core
locking device
pin
lock 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
Application number
EP80103977A
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German (de)
English (en)
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EP0023604A1 (fr
Inventor
Helga Meiners
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.)
Aug Winkhaus GmbH and Co KG
Original Assignee
Aug Winkhaus GmbH and Co KG
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Application filed by Aug Winkhaus GmbH and Co KG filed Critical Aug Winkhaus GmbH and Co KG
Priority to AT80103977T priority Critical patent/ATE12419T1/de
Publication of EP0023604A1 publication Critical patent/EP0023604A1/fr
Application granted granted Critical
Publication of EP0023604B1 publication Critical patent/EP0023604B1/fr
Expired 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
    • E05B19/00—Keys; Accessories therefor
    • E05B19/0017—Key profiles
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B19/00—Keys; Accessories therefor
    • E05B19/0017—Key profiles
    • E05B19/0041—Key profiles characterized by the cross-section of the key blade in a plane perpendicular to the longitudinal axis of the key
    • E05B19/007—Key profiles characterized by the cross-section of the key blade in a plane perpendicular to the longitudinal axis of the key with U- or V-shaped cross-section
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B27/00—Cylinder locks or other locks with tumbler pins or balls that are set by pushing the key in
    • E05B27/0042—Cylinder locks or other locks with tumbler pins or balls that are set by pushing the key in with additional key identifying function, e.g. with use of additional key operated rotor-blocking elements, not of split pin tumbler type

Definitions

  • the invention relates to a locking device according to the preamble of claim 1.
  • a "rooster profile” is understood to mean profiles of the profile shape shown in FIG. 1.
  • a locking device is known from DE-A-12 533 494.
  • the longitudinal planes containing the housing pin and core pin bores of the individual rows are parallel to one another and parallel to a plane of symmetry of the locking cylinder containing the cylinder core axis of the locking cylinder.
  • the control surfaces of the flat key are produced in the copy milling process with end mills working on both sides of the flat key with a flat end face and a cutter shaft lying transversely to the flat side of the key, which mill the corresponding notches on both sides into the solidly designed key shaft. This type of production of the control surfaces is the key for the authorized first manufacturer.
  • the key notch pattern corresponds exactly to the arrangement of the tumbler pin pairs in the locking cylinder.
  • the invention has for its object to provide a locking device of the required type so that it can be manufactured more easily in the factory while maintaining considerable difficulties with unauthorized imitation of the key.
  • the combination of the features according to the characterizing part of claim 1 serves to achieve this object.
  • the production of the control surfaces of the key notches for the factory-made first manufacturer of the keys is relatively simple with appropriate mechanical equipment with relatively insensitive and long-life tools such as disc milling cutters and broaching, planing or filing tools. Nevertheless, devices of this type, in which the tools have to be adjusted in particular positions and setting angles defined by the position of the longitudinal plane, are not readily available to the mass of potential unauthorized imitators.
  • the production of the blind notches facilitates the factory production because the size of the tools and possibly their stroke are not limited by the constraint to avoid cuts in the other profile branch.
  • the keys of the locking devices according to the invention have a characteristic appearance due to the blind notches, which are separated from the actual key notches by the longitudinal recess.
  • the angle of inclination of the longitudinal planes can be made relatively large despite the housing design with Hahn profile, without that Casing pin holes cut or excessively weaken the boundary surfaces of the profile bag.
  • the size of this angle is decisive for the size of the distance between the rows of notches in the two profile branches. Keeping this distance large is desirable in view of a reduced mutual influence of controlling notches and blind notches in the respective profile branch for a given distance of the tumbler pin pairs in the direction of the axis of the locking cylinder.
  • the distance between the tumbler pin pairs in the individual longitudinal planes can therefore be kept small without the risk of interfering mutual influence of controlling notches and blind notches, which in turn is desirable in order to be able to accommodate the largest possible number of tumbler pin pairs in each longitudinal plane for a given length of the profile locking cylinder.
  • a locking cylinder is known from CH-A-260 517, in which elongated notches for controlling tumbler pin pairs are arranged in the side faces of a flat key in the axial direction of the flat key.
  • the length of the notches considerably exceeds the amount required to control the tumbler pin pairs, so that it is not possible to draw conclusions about the position of the tumbler pin pairs in the locking cylinder from the position of the notches on the key.
  • the angular dimensions specified in claim 2 take into account the wish that the housing pin bores arranged in the longitudinal planes neither cut nor excessively weaken the side walls of the profile sack.
  • the spacing of the action planes of the rows of notches is expanded while maintaining the flat key character and prevents the notches and blind notches from penetrating in a profile branch in an inadmissible manner.
  • the measure of claim 4 serves the goal of providing sufficient meat on the flat key for the formation of the control surface in the profile branches.
  • the measure of claim 5 aims to be able to provide guide and locking ribs in the areas of the key side surfaces that remain parallel in a conventional manner.
  • the measure of claim 6 serves to maintain the flat key character.
  • the measure of claim 9 is to be understood from the endeavor to be able to use as unchanged as possible rooster profiles which have only a relatively small wall thickness between the cylinder outer circumferential surface and the housing bore in their cylindrical profile part.
  • the recesses in the inner circumferential surface of the housing bore can be individual recesses, which are expediently formed by radial bores to be subsequently closed; but it is also conceivable to design the recesses for a number of additional tumbler pins as a coherent groove in the inner circumferential surface of the housing bore; Such a groove can be obtained, for example, from the housing bore by broaching.
  • the core holes for the additional tumbler pins are expediently not passed through the cylinder core axis, but instead arrange them so that they cross the cylinder core axis on the side remote from the tumbler pin pairs.
  • the measure of claim 13 is understood to be the endeavor to enable the cylinder core to rotate as freely as possible without having to oversize the core pin bores for the additional locking pins in the core and thereby excessively weaken the cylinder core. In flat key is removed then the additional mem can testifte l not fall to the guidance loss in the key channel.
  • the measure of claim 16 serves the aim of preventing the loss of guidance of the core pins of the spring-loaded tumbler pin pairs in the respective core bore by radial inward displacement.
  • the measure of claim 18 aims to further increase the security against locking.
  • the measure of claim 19 is to ensure in a simple manner that the core pins of the tumbler pin pairs when turning the Zy linderkerns at the mouths of the housing pin holes in the cylinder core bore not locking.
  • the measure of claim 20 ensures optimal sliding of the key over the radially inner ends of the core pins when inserting and pulling the key.
  • the locking devices according to the invention are particularly suitable for the production of locking systems, wherein according to claim 21 there is a multitude of possibilities to differentiate the individual locking devices.
  • Locking system is generally understood here, regardless of whether a master key is assigned to all locking cylinders or groups of them.
  • the preferred procedure is to provide holes for the additional locking pins in the cylinder core at the same locations within a group or subgroup of locking cylinders, the differentiation of individual locking cylinders within the group or Subgroup is carried out by filling these bores with additional tumbler pins differently according to location and / or number, as detailed in DE-AS 2 003 059.
  • a profile lock cylinder with a cylinder housing 10 which is designed as a cock profile.
  • the tap profile shown in Fig. 1 with the cylindrical profile part 12 and the profile bag 14 is shown to scale.
  • the cylinder housing 10 has a housing bore 16 with an inner peripheral surface 18.
  • a cylinder core 20 is rotatably inserted into the housing bore 16.
  • the cylinder core 20 has a key channel 22.
  • the shaft 24 of a flat key 26 is inserted into this key channel 22.
  • the flat key 26 is shown in detail in FIGS. 4 to 6.
  • the shaft 24 is, as can be seen from FIGS. 4 to 6, provided with longitudinal locking and guide ribs 28 and locking and guide grooves 30 extending therebetween.
  • One side surface of the shaft 24 is designated 32, the other 34.
  • the side surfaces 32 and 34 are connected to one another by edge surfaces 36 and 38.
  • the edge surfaces 36 and 38 are, as can be seen from FIGS. 5 and 6, narrower than the side surfaces 32 and 34, so that one can speak of a flat key.
  • the flat key has a region 40 near the edge, which is defined by side surface regions 32a and 34a, adjacent to the edge surface 38.
  • the width of the region 40 close to the edge corresponds to approximately 20% of the total width of the key side surfaces 32 and 34.
  • the side surface regions 32a and 34a close to the edge form an angle ex of approximately 30 ° with one another.
  • a V-shaped longitudinal recess 42 is let into the edge surface 38 of the shaft 24 between the edge surface areas 32a and 34a near the edge. As a result, a V-shaped branching profile is formed in the region 40 near the edge.
  • a filler rib 44 engages in the V-shaped longitudinal recess 42 of the shaft 24, which is formed from the material of the cylinder core 20 delimiting the key channel 22.
  • This filling rib 44 is complementary to the longitudinal recess 42 of the shaft 24 according to FIGS. 5 and 6.
  • the boundary surfaces 46 and 48 of the longitudinal recess 42 are parallel to the side surface regions 32a and 34a. 5 and 6, the maximum thickness of the shaft 24 in the region 40 near the edge is not greater than the thickness of the key handle and approximately 30% greater than the maximum thickness of the shaft 24 outside the region 40 near the edge.
  • housing pin bores 50, 52 are provided in the profile bag 14.
  • the housing pin bores 50 include core pin bores 54;
  • the housing pin bores 52 include core pin bores 56.
  • the housing pin bores 50, 52 contain housing pins 58, 60;
  • the core pin bores 54, 56 contain core pins 62, 64.
  • the housing pins 58 and the core pins 62 together form a pair of tumbler pins 58, 62;
  • the housing pins 60 and the core pins 64 together form a tumbler pin pair 60, 64.
  • a plurality of tumbler pin pairs 58, 62 and a plurality of tumbler pin pairs 60, 64 lie one after the other perpendicular to the plane of the drawing.
  • the tumbler pin pairs 58, 62 lie in a longitudinal plane E; the tumbler pin pairs 60, 64 lie in a longitudinal plane F.
  • the two longitudinal planes E and F intersect in the cylinder core axis 0, which is also to be understood as the longitudinal axis of the profile locking cylinder.
  • the longitudinal planes E and F are arranged symmetrically on both sides of the plane of symmetry S of the profile locking cylinder and form an angle a with one another. This angle ⁇ is as large as the angle shown in FIGS. 2 and 6, which the side surface regions 32a and 34a and the boundary surfaces 46 and 48 enclose with one another.
  • the core pin bores 54, 56 are offset from one another in the axial direction of the profile locking cylinder, the core pin bores 56 each being in the middle between two successive core pin bores 54.
  • the tumbler pin pairs 58, 62 as can be seen from FIGS. 1, 4, 5 and 6, key notches 68 are arranged; Key notches 70 are assigned to tumbler pin pairs 60, 64, as can be seen from FIGS. 4 and 5.
  • 1 shows the engagement of a core pin 62 of a tumbler pin pair 58, 62 in a key notch 68. As can be seen in FIG.
  • the key notches are defined by notch delimiting surfaces 68a, 68b, 68c, namely flanks 68a, 68b and a control surface 68c , of which a flank 68b can be seen in FIGS. 1 and 6.
  • the key notches 70 are defined by notch delimitation surfaces 70a, 70b and 70c, namely flanks 70a, 70b and a control surface 70c, of which the flank 70b can be seen in FIG. 5.
  • the notch delimitation surfaces 68a, 68b, 68c are perpendicular to the longitudinal plane E
  • the notch delimitation surfaces 70a, 70b, 70c are perpendicular to the longitudinal plane F.
  • the longitudinal planes E and F are also shown in FIGS. 5 and 6 , provided that the profile lock cylinder not shown in FIGS. 5 and 6 is in the same position relative to the shaft 24 as shown in FIG. 1.
  • the control surfaces 68c, 70c are used for core pin control.
  • the key notches 68 and 70 extend through both legs of the V-shaped branching profile. If the notch depth is small, it can happen that a key notch in one profile branch does not cut the opposite profile branch of the V-shaped branching profile.
  • Fig. 5 is made clear by a prism 72 inserted in the key notch 70 that the key notch 70 is open at both ends in the viewing direction perpendicular to the longitudinal plane F, i. H. is not limited by the material of the key.
  • FIG. 6 shows how the key notch 68 can be produced by a side milling cutter 74; the axis 76 of the side milling cutter 74 lies in the longitudinal plane E and is perpendicular to the plane of the drawing in FIG. H. it runs parallel to the longitudinal direction of the key, or viewed with the key inserted in FIG. 1, parallel to the cylinder core axis 0 of the profile locking cylinder.
  • the profile of the disk for generating the key notch 68 is shown in FIG. 7.
  • the radius of the side milling cutter 74 is large compared to the depth of the key notch 68 and against the thickness of the flat key shank 24, so that the key notch 68 generated by the grinding wheel 74 can be approximated by a prism, corresponding to that 5 shown prism 72.
  • all tumbler pin pairs 58, 62; 60, 64 are held in a position in which the parting planes 59, 61 of the tumbler pin pairs 58, 62; 60, 64 coincide with the inner peripheral surface 18 of the housing bore 16 so that the cylinder core 20 can be rotated by the inserted key.
  • the radially inner ends 63 of the core pins 62 are conical and curved in the tip region to match the angles defined between the notch delimitation surfaces 68a, 68b; the same naturally applies to the tips of the core pins 64.
  • the radially outer end surfaces 65 of the core pins 62 are rotationally symmetrical domes around the core pin axis and have a radius of curvature which is slightly smaller than the radius of the inner peripheral surface 18 of the housing bore 16.
  • the housing pins 58 and 60 are biased radially inward by helical compression springs 51 and 53.
  • additional tumbler pins 78, 80 are arranged in the cylinder core 20. These additional tumbler pins 78, 80 are springless tumbler pins.
  • the tumbler pins 78 interact with level fluctuations in the form of recesses 82 in the key side surface 32 and with recesses 84 in the inner peripheral surface 18 of the housing bore 16. The same applies to the tumbler pins 80. If the correct key 26 is inserted into the lock cylinder, the tumbler pins 78 can be inserted into the recesses 84 through the shaft 24 to such an extent that the shaft 24 can be pushed in and out of the key channel 22 without hindrance can.
  • the tumbler pins 78 can be pushed radially inward into the recesses 82 by the interaction of their mushroom heads with the recesses 84 so that the cylinder core 20 can be rotated.
  • the bore in the cylinder core 20 which receives the tumbler pin 78 is designated 79, it is offset in accordance with the shape of the tumbler pin 78.
  • tumbler pins 78 1 It is a plurality of tumbler pins 78 1 arranged one behind the other perpendicular to the plane of the drawing; the same applies to the tumbler pins 80. All tumbler pins 78 and 80 lie in a common plane Z which runs parallel to the cylinder core axis 0 of the locking cylinder outside this cylinder core axis 0 and is perpendicular to the plane of symmetry S. A tumbler pin 78 and a tumbler pin 80 can each lie in a common plane perpendicular to the axis 0, approximately in the middle between a core pin bore 56 and a core pin bore 54 in FIG. 3. However, the tumbler pins 78 and 80 can also be in different planes lie along axis 0.
  • tumbler pins 78 and 80 lie on different levels than the tumbler pin pairs 58, 62; 60, 64, so that the rotation of the cylinder core is not blocked by the engagement of the spring-loaded housing pins 58 and 60 in the bores 79 of the mushroom-shaped locking pins 78 and 80.
  • the tumbler pins 78 can all be of the same length, as can the tumbler pins 80.
  • the tumbler pins 78 and 80 can also be of equal length to one another; they can also be of different lengths, for example such that the tumbler pins of a first group have a first length and the tumbler pins of a second group have a second length, it being possible for the tumbler pins of both groups to be arranged in a mixed sequence.
  • lock cylinder to lock cylinder Further differentiations from lock cylinder to lock cylinder are possible by changing the guide and locking ribs 28 and the guide and locking grooves 30. Further differentiations from lock cylinder to lock cylinder are possible due to different lengths of the housing pins 58 and the core pins 62 and correspondingly different depths of the key notches 68. The principle of filling only individual housing pin bores 50 and core pin bores 54 with tumbler pin pairs for the purpose of differentiating between lock cylinder and lock cylinder can of course also be used. Furthermore, in order to differentiate individual locking cylinders from one another, one or more plates can be inserted between the housing pins 58 and the core pins 62.
  • Parent keys are designed so that they can be inserted regardless of the profile shape of the key channel 22; they receive recesses 82 of the same or different level so that the locking pins 78 can enter radially inwards for all or at least one group of locking cylinders, and they are designed in their notch design with respect to the key notches 68, 70 so that they hold the tumbler pin pairs 58, 62 Control all locking cylinders or a group of locking cylinders within a locking system in such a way that the parting planes 59 between the pins 58 and 62 or between these pins and inserted platelets fall into the inner peripheral surface 18 of the housing bore 16.
  • the key notches 68 and 70 cannot be easily milled on conventional key cutting machines, which increases the security of the profile locking cylinder according to the invention against key imitation by unauthorized persons.
  • the key notches 68 and 70 can be produced in the factory with a corresponding special device in a simple and rational manner.
  • the total number of tumbler pin pairs 58, 62; 60, 64 is larger than if the tumbler pin pairs were arranged in a single row, as is the case with the classic locking cylinders. Under unfavorable conditions, it may not be possible to accommodate as many tumbler pin pairs (considering the mutual influence of key notches and blind notches) as would be possible if the tumbler pin pairs were arranged in two mutually parallel planes without blind notches. However, this limitation is offset by the other advantages inherent in the invention and is in any case completely irrelevant if the additional closure variations are available through the additional locking pins 78 and 80 according to the preferred embodiment of the invention.
  • a rib 67 is provided in the key channel 22, which extends over the length of the key channel and which prevents the inward movement of the core pins 62, 64 when the key is pulled into the key channel.
  • the key notches of a row of notches continue at least partially in the profile branch of the key which receives the other row of notches as blind notches.
  • This characteristic appearance arises in particular when the manufacturing method according to FIGS. And 7 is used, which is of great importance with regard to rational factory production.
  • a reciprocating machining tool can also be used, which could be constructed similarly to how the prism 72 in FIG. 5 and which would have to reciprocate in the longitudinal direction of the prism in order to clear, plan or key the key notch 70 to file.

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  • Lock And Its Accessories (AREA)
  • Devices For Conveying Motion By Means Of Endless Flexible Members (AREA)
  • Braking Arrangements (AREA)
  • Television Systems (AREA)
  • Preventing Unauthorised Actuation Of Valves (AREA)
  • Preliminary Treatment Of Fibers (AREA)
  • Mechanical Operated Clutches (AREA)
  • Valve Housings (AREA)

Claims (23)

1. Dispositif de fermeture avec au moins un barillet de sécurité, un boîtier (10) à profil de robinet qui entoure ce barillet et un canon (20) dudit barillet, monté à rotation dans un perçage (16) dudit boîtier (10) du barillet et présentant une gorge de serrure (22) réalisée pour recevoir une clé aplatie (26), l'appendice (14) du profil du boîtier (10) du barillet et le canon (20) de ce barillet comportant, dans deux plans longitudinaux voisins (E, F), des trous (50, 52) associés aux broches du boîtier et des trous (54, 56) associés aux broches du canon, qui se succèdent en une rangée respective, sont dirigés vers le côté étroit de la gorge de serrure (22) et sont prévus pour recevoir des paires de broches d'arrêt (58,62; 60, 64) chargées élastiquement et parmi lesquelles les broches (62, 64) du canon coopèrent, par leurs extrémités radialement internes, avec deux rangées d'encoches (68, 70) disposées dans des zones contiguës des côtés étroits de la clé aplatie (26), les trous (50, 54; 52, 56) des deux rangées associés aux broches d'arrêt étant en outre décalés les uns des autres dans le sens longitudinal du canon (20) du barillet et les surfaces de commande (68c, 70c) des encoches (68, 70) de la clé aplatie (26) étant, enfin, pour l'essentiel perpendiculaires au plan longitudinal respectif (E, F) recevant les paires de broches d'arrêt (58, 62; 60, 64), caractérisé par la combinaison des caractéristiques suivantes:
a) les plans longitudinaux (E, F) renfermant les trous (50, 52; 54, 56) des rangées individuelles associés aux broches du boîtier et aux broches du canon sont mutuellement inclinés d'un angle aigu (a) convergeant vers le côté étroit de la clé, dont le sommet coïncide approximativement avec l'axe (0) du canon du barillet et dont la bissectrice coïncide approximativement avec le plan de symétrie (S) du barillet passant par l'axe (0) du canon de ce barillet;
b) le profil de la section de la clé aplatie (26) est fourchu sur le côté étroit en formant un évidement longitudinal (42), et le canon (20) du barillet présente une nervure de comblement (44) qui s'engage dans l'évidement longitudinal (42) entre les branches du profil;
c) les encoches (68, 70) de la clé se prolongent au moins en partie par des encoches borgnes dans l'autre branche respective du profil.
2. Dispositif de fermeture selon la revendication 1, caractérisé par le fait qui les plans longitudinaux (E, F) inscrivent entre eux un angle (a) inférieur à 40°, de préférence inférieur à 30°.
3. Dispositif de fermeture à barillet de sécurité selon la revendication 1 ou 2, caractérisé par le fait que, observée en coupe transversale perpendiculairement à l'axe, la clé aplatie (26) est épaissie, dans une zone (40) proche du côté étroit (38), par des régions superficielles latérales (32a, 34a) divergeant en direction dudit côté étroit (38), et la gorge de serrure (22) présente un élargissement correspondant.
4. Dispositif de fermeture selon la revendication 3, caractérisé par le fait que les régions superficielles latérales divergentes (32a, 34a) sont approximativement parallèles aux plans longitudinaux associés (E, F).
5. Dispositif de fermeture selon la revendication 4, caractérisé par le fait que la zone (40) de l'épaississement proche du côté étroit (38) s'étend sur 30% au maximum, de préférence sur 20% au maximum de la largeur des faces latérales (32, 34) de la clé.
6. Dispositif de fermeture selon l'une des revendications 3 à 5, caractérisé par le fait que l'épaississement maximal de la clé aplatie (26) représente au maximum 35%, de préférence environ 30% de l'épaisseur du rectangle enveloppant la clé aplatie dans sa région non épaissie.
7. Dispositif de fermeture selon l'une des revendications 3 à 6, caractérisé par le fait que les surfaces (46, 48) de délimitation de l'évidement longitudinal (42) sont sensiblement parallèles aux régions superficielles latérales divergentes (32a, 34a) respectivement correspondantes de la clé aplatie.
8. Dispositif de fermeture selon l'une des revendications 1 à 7, caractérisé par des broches d'arrêt supplémentaires (78, 80) qui coopèrent avec des gradins (82) situés sur au moins l'une et de préférence sur les deux faces latérales (32, 34) de la clé aplatie (26).
9. Dispositif de fermeture selon la revendication 8, caractérisé par le fait que les broches d'arrêt supplémentaires (78, 80) sont des broches d'arrêt non élastiques disposées dans le canon (20), qui coopèrent par leurs extrémités radialement externes avec des échancrures (84) élaborées dans la face circonférentielle interne (18) du perçage (16) du boîtier, de telle sorte que lesdites broches d'arrêt supplémentaires (78, 80) puissent être repoussées dans les échancrures correspondantes (84) de la face circonférentielle interne (18) du perçage (16) du boîtier, lors de l'insertion d'une clé aplatie convenable (26) dans la gorge de serrure (22), jusquà ce qu'elles dégagent ladite gorge de serrure (22) pour la clé aplatie (26) devant être introduite et que, lors de la rotation consécutive du canon (20) du barillet, les broches supplémentaires (78, 80) de ce canon puissent être poussées radialement vers l'intérieur en coopérant à la manière de cames avec les échancrures (84) dans la face circonférentielle (18) du perçage (16) dudit boîtier, jusqu'à la libération complète du mouvement rotatoire du canon (20) du barillet.
10. Dispositif de fermeture à barillet de sécurité selon la revendication 8 ou 9, caractérisé par le fait que les axes des broches d'arrêt supplémentaires (78, 80) sont sensiblement perpendiculaires au plan médian longitudinal (S) de la gorge de serrure (22).
11. Dispositif de fermeture selon l'une des revendications 8 à 10, caractérisé par le fait que les broches d'arrêt supplémentaires (78, 80) sont disposées d'un côté de la gorge de serrure (22), dans un plan commun (Z) parallèle à l'axe (0) du canon du barillet.
12. Dispositif de fermeture selon la revendication 11, caractérisé par le fait que les broches d'arrêt supplémentaires (78, 80) sont disposées des deux côtés de la gorge de serrure (22), dans un plan commun (Z).
13. Dispositif de fermeture selon l'une des revendications 8 à 12, caractérisé par le fait que les broches d'arrêt supplémentaires (78, 80) présentent un élargissement fongiforme à leurs extrémités radiales externes; et par le fait que les trous (79) du canon (20) du barillet associés aux broches de ce canon sont étagés d'une manière correspondante.
14. Dispositif de fermeture selon l'une des revendications 8 à 13, caractérisé par le fait que les broches d'arrêt supplémentaires (78) sur l'un des côtés de la clé aplatie (26) sont décalées en direction de l'axe (0) du canon du barillet par rapport aux broches d'arrêt supplémentaires (80) de l'autre côté de la clé aplatie (26).
15. Dispositif de fermeture selon l'une des revendications 8 à 14, caractérisé par le fait que les broches d'arrêt supplémentaires (78, 80) des deux côtés de la clé aplatie (26) sont décalées en direction de l'axe (0) du canon du barillet par rapport aux paires de broches d'arrêt (58, 62; 60, 64).
16. Dispositif de fermeture selon l'une des revendications 1 à 15, caractérisé par le fait qu'il est prévu, à l'intérieur de la gorge de serrure (22), au moins une nervure de sûreté (67) s'étendant parallèlement à l'axe (0) du canon du barillet et occupant une position telle que les broches (62, 64) dudit canon viennent y buter lors du mouvement de pénétration radiale, de telle sorte qu'elles continuent d'être guidées dans le trou respectif (54,56) associé à ces broches du canon.
17. Dispositif de fermeture selon l'une des revendications 1 à 16, caractérisé par le fait que les encoches (68, 70) des rangées d'encoches - observées dans un plan longitudinal (E, F) traversant la clé et renfermant les paires associées de broches d'arrêt (58, 62; 60, 64) - possèdent une forme triangulaire ou trapézoïdale présentant des flancs (68a, 68b; 70a, 70b) inclinés les uns par rapport aux autres et, éventuellement, une base (68c, 70c) de trapèze s'étendant entre ces flancs (68a, 68b; 70a, 70b).
18. Dispositif de fermeture selon l'une des revendications 3 à 17 caractérisé par le fait que des membrures de verrouillage et de guidage (28) et des gorges de verrouillage et de guidage (30) sont respectivement élaborées dans la clé aplatie (26) et, d'une manière correspondante, dans la gorge de serrure (22), à l'extérieur de la zone (40) proche du côté étroit.
19. Dispositif de fermeture selon l'une des revendications 1 à 18, caractérisé par le fait que les broches (62, 64) du canon présentent, à leurs extrémités radialement externes, une face curviligne (65) à symétrie de révolution par rapport à l'axe desdites broches du canon, le rayon de courbure de cette face curviligne (65) n'étant que sensiblement plus petit que le rayon du perçage (16) du boîtier.
20. Dispositif de fermeture selon l'une des revendications 1 à 19, caractérisé par le fait que les surfaces marginales des branches du profil, non entaillées et subsistant de l'ébauche de la clé, sont perpendiculaires au plan longitudinal respectif (E, F) recevant les paires de broches d'arrêt.
21. Installation de fermeture munie de plusieurs dispositifs de fermeture selon l'une des revendications 1 à 20, caractérisée par le fait que les dispositifs de fermeture se distinguent les uns des autres:
a) par l'emplacement et/ou la détermination de la longueur de paires différentes d'arrêt de broches (58, 62) et, d'une manière correspondante, par des profondeurs différentes des encoches de la clé (26) et/ou
b) par une longueur, une position et/ou un nombre différents des broches d'arrêt supplémentaires (78, 80) et, d'une manière correspondante, par une configuration différente de la clé et/ou
c) par une conformation différente des gorges de serrures (22) et, d'une manière correspondante, par une conformation différente des faces latérales (32, 34) de la clé et/ou
d) par une conformation différente de la nervure de comblement (44) et, d'une manière correspondante, par une conformation différente de l'évidement longitudinal (42) dans la clé (26).
22. Installation de fermeture selon la revendication 21, caractérisée par le fait qu'une clé universelle est associée à un groupe et/ou à un sous-groupe de dispositifs de fermeture, cette clé correspondant aux caractéristiques différentes de toutes les serrures individuelles du groupe ou du sous-groupe, respectivement.
23. Clé aplatie présentant les caractéristiques se rapportant à la clé et citées dans l'une des revendications 1 à 22.
EP80103977A 1979-08-03 1980-07-10 Dispositif de fermeture avec au moins un barrillet de sécurité Expired EP0023604B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT80103977T ATE12419T1 (de) 1979-08-03 1980-07-10 Schliessvorrichtung mit mindestens einem profilschliesszylinder.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE2931653 1979-08-03
DE2931653A DE2931653C2 (de) 1979-08-03 1979-08-03 Profilschließzylinder

Publications (2)

Publication Number Publication Date
EP0023604A1 EP0023604A1 (fr) 1981-02-11
EP0023604B1 true EP0023604B1 (fr) 1985-03-27

Family

ID=6077613

Family Applications (1)

Application Number Title Priority Date Filing Date
EP80103977A Expired EP0023604B1 (fr) 1979-08-03 1980-07-10 Dispositif de fermeture avec au moins un barrillet de sécurité

Country Status (5)

Country Link
EP (1) EP0023604B1 (fr)
AT (1) ATE12419T1 (fr)
DE (1) DE2931653C2 (fr)
ES (2) ES252349Y (fr)
YU (1) YU181280A (fr)

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Publication number Priority date Publication date Assignee Title
US5050412A (en) * 1985-05-21 1991-09-24 Costruzioni Italiane Serrature Affini C.I.S.A. S.P.A. Flat key cylinder lock with anti-burglar features
DE3542008A1 (de) * 1985-11-28 1987-06-04 Dom Sicherheitstechnik Schluessel fuer schliesszylinder
DE3609473A1 (de) * 1986-03-20 1987-10-01 Winkhaus Fa August Schliesszylinder
DE4000179A1 (de) * 1990-01-05 1991-07-11 Bks Gmbh Schluessel fuer schliesszylinder, insbesondere von schliessanlagen
US5419168A (en) * 1991-10-24 1995-05-30 Medeco Security Locks, Inc. Hierarchical cylinder lock and key system
DE4213592A1 (de) * 1992-04-24 1993-10-28 Heinz Wolter Schließzylinderschlüssel
SE505364C2 (sv) * 1993-12-30 1997-08-11 Bo Widen Cylinderlås-nyckelkombination, nyckel, nyckelämne och lås
SE505885C2 (sv) * 1993-12-30 1997-10-20 Bo Widen Cylinderlås-nyckelkombination, nyckel, nyckelämne och lås ingående i kombinationen
AT405668B (de) * 1995-02-01 1999-10-25 Evva Werke Flachschlüssel für zylinderschloss
US5615565A (en) * 1995-09-19 1997-04-01 Medeco Security Locks, Inc. Keys for cylinder locks
US5819567A (en) * 1996-07-19 1998-10-13 International Security Products, Inc. Lock system with key trapping
US5823030A (en) * 1997-01-29 1998-10-20 International Security Products, Inc. Cylinder lock system
CZ293705B6 (cs) * 1997-10-31 2004-07-14 Evva-Werk Spezialerzeugung Von Zylinder- Und Siche Válcový zámek a plochý klíč
DE10127472B4 (de) * 2001-06-07 2004-02-19 Aberle Gmbh & Co. Zylinderkern für Schließzylinder
CN102493714A (zh) * 2011-11-18 2012-06-13 夏建国 空转数字锁及与其相配的平板钥匙

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GB517655A (en) * 1938-08-09 1940-02-05 Harold Gilbert Ramsell Improvements relating to pin-tumbler cylinder locks and keys therefor

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DE373825C (de) * 1921-02-19 1923-04-16 Albert Oberbossel Fernzylinderschloss mit geteilten, radialen Stiftzuhaltungen
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Publication number Priority date Publication date Assignee Title
GB517655A (en) * 1938-08-09 1940-02-05 Harold Gilbert Ramsell Improvements relating to pin-tumbler cylinder locks and keys therefor

Also Published As

Publication number Publication date
ES252349Y (es) 1982-04-01
ES252349U (es) 1981-10-01
YU181280A (en) 1983-04-30
ES259248U (es) 1982-01-16
ES259248Y (es) 1982-07-01
DE2931653C2 (de) 1982-11-18
ATE12419T1 (de) 1985-04-15
DE2931653A1 (de) 1981-02-05
EP0023604A1 (fr) 1981-02-11

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