EP0808970B1 - Serrure à cylindre - Google Patents

Serrure à cylindre Download PDF

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Publication number
EP0808970B1
EP0808970B1 EP96118819A EP96118819A EP0808970B1 EP 0808970 B1 EP0808970 B1 EP 0808970B1 EP 96118819 A EP96118819 A EP 96118819A EP 96118819 A EP96118819 A EP 96118819A EP 0808970 B1 EP0808970 B1 EP 0808970B1
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EP
European Patent Office
Prior art keywords
cylinder lock
cylindrical
shaped core
cylinder
following
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
EP96118819A
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German (de)
English (en)
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EP0808970A3 (fr
EP0808970A2 (fr
Inventor
Peter Kemmann
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.)
August Knapp Schliesstechnik GmbH
Original Assignee
August Knapp Schliesstechnik GmbH
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Publication date
Application filed by August Knapp Schliesstechnik GmbH filed Critical August Knapp Schliesstechnik GmbH
Publication of EP0808970A2 publication Critical patent/EP0808970A2/fr
Publication of EP0808970A3 publication Critical patent/EP0808970A3/fr
Application granted granted Critical
Publication of EP0808970B1 publication Critical patent/EP0808970B1/fr
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Classifications

    • 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
    • E05B27/00—Cylinder locks or other locks with tumbler pins or balls that are set by pushing the key in
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B17/00—Accessories in connection with locks
    • E05B17/0054—Fraction or shear lines; Slip-clutches, resilient parts or the like for preventing damage when forced or slammed
    • E05B17/0062—Fraction or shear lines; Slip-clutches, resilient parts or the like for preventing damage when forced or slammed with destructive disengagement

Definitions

  • the invention relates to a cylinder lock for securing an object, the has at least one receiving opening in which the cylinder lock to arrange and lockable there, the cylinder lock a cylinder housing has, in which a cylinder core with a in the longitudinal axis direction Key channel running in a bore in the cylinder housing is rotatably arranged by one of the outwardly facing Front of the cylinder housing to be inserted into the key channel Flat key can be driven in rotation in the circumferential direction by a limited amount, with several rows of housing pins one behind the other and / or next to each other and associated core pins that form tumblers and with one of the cylinder core drivable slide bolt, the plug cylinder housing has an end section on its inward-facing part, the one opening opening towards the rear.
  • Objects to be secured with cylinder locks of the required type are due to diverse constructions, especially for use Protective devices and traps for slot machines and vending machines, on lattice roller gates, on movable protective grids and the like, previously known.
  • objects are burglarized despite the arrangement of numerous housing and core pins of the associated cylinder locks relatively simple and to break up quickly, for example by entering the key channel a screw is screwed in, by means of which the cylinder core can be pulled out of the cylinder housing.
  • DE 27 00 350 A is a locking device with one in one Lock housing rotatable locking pin, at least one locking member, by means of which the locking pin is prevented from rotating, and a key for moving the locking member known so that the locking pin is freely rotatable, the locking pin having a key slot has, in relation to the axis of the locking pin in the longitudinal direction runs curved and the key according to the course of curvature the key slot is also curved.
  • Of the Key has a plurality of recesses on at least one of its edges on.
  • the locking members are on one side of the Key slot arranged, but can also on both sides of the Key slot be arranged.
  • the locking members are pin tumblers.
  • the key has an oblique guide surface at its front end on, by means of which the locking members can be pushed away.
  • the locking members can be pushed away.
  • EP 0 364 660 A2 relates to a cylinder lock with a cylinder housing and a cylinder core rotatably mounted in it, one in its axial direction extending key channel, rotatable with one in the cylinder housing stored, coupled with the cylinder core, in the cylinder housing and made several aligned holes in the cylinder core are, which extend into the channel and in which preferably the same long housing pins and differently long core pins by spring force in Are biased towards the canal.
  • a first parting line is formed in the cylinder core, which the housing pins without inserted Push the key through, keeping the ends of the core pins with the The locking notches on the key work together so that when the key is inserted Key the pins are shifted in a position in their axial direction the system ends of all core and housing pins are in the first parting line and thereby allow rotation of the cylinder core and the lock bit.
  • a sleeve is provided for coupling the cylinder core to the lock bit, which is rotatably supported between the cylinder core and the housing and thereby in addition to the first parting line to the cylinder housing, a second parting line to Forms cylinder core, wherein the core pins have a lower strength than the sleeve and the housing pins. This is to ensure that even after forceful shielding of the core pins of the lock must not be turned can.
  • the US 5 177 466 A shows a cylinder lock with flat key and tumbler pins.
  • EP 0 224 104 A1 describes a locking cylinder with pin tumblers and Sliding cylinder core previously known, in which the axial sliding of the cylinder core this with the actuator of a lock and / or an electric Switch connects.
  • the locking cylinder is characterized by that the cylinder core in the rotational and locking position over the above Pin tumblers are firmly connected to a socket in a housing is rotatably mounted and fixed in the direction of displacement and a means for includes angular indexing in relation to said housing.
  • the key To one To connect to the lock bit, the key must be firmly in the Cylinder core are pressed in against the restoring force of a spring element. This then results in a dome to take the lock bit with you.
  • the coupling element has two diametrically opposite one another Driver on the material in one piece with a rotating body are connected.
  • DE 296 02 680 U1 shows a drilling protection for cylinder locks with Key channel and tumbler pins, being parallel or approximately parallel two pin-shaped hard material bodies are provided for the key channel extend in holes in the cylinder core on both sides of the key channel.
  • the anti-drilling device also has a shield that is in one Slot in the cylinder core in the area between the key channel and the division level or is arranged extending beyond the division level, wherein the hard material body and the shield are in one piece and the holes for the hard material body and the slot in the same cross-sectional plane of the cylinder core.
  • none of the cited documents shows a cylinder lock for use on safety devices and traps for gaming and vending machines, on roller shutter gates, on movable safety guards or the like, where it comes to making the cylinder lock itself burglar-proof by designing that the entire castle is no longer out of it provided opening can be pulled out.
  • the invention has for its object to provide a cylinder lock for security of an object of the presupposed type much more burglar-proof close.
  • the outer casing of the cylinder housing is in the event of a break-in deformed and the walls in the area of the end face Hole pressed inwards.
  • the slide bolt is also either sheared off or bent so far that it leaves the opening relatively easily of the object to be protected can be torn out. The whole castle can then be pulled out of the opening.
  • the explosive forces occurring are approximately uniform transferred to the wall of the bore and thus to the cylinder jacket, forces so great that even under the given conditions with the strongest wall design the cylinder is destroyed and the The slide bolt is torn off and sheared off. It must be taken into account that with guards and traps for gaming and vending machines or the like, the installation conditions are fixed.
  • the distance between the slide bolt and an inner wall of the to be protected Object fixed and can not be enlarged arbitrarily, so that one in Area of the inner end portion of the plug-in cylinder in terms of construction Measures is very limited.
  • the invention ensures that the high deformation forces that occur, the case of a break-in on the inner end portion of the cylinder housing are transferable, evenly absorbed by the support disc become.
  • the support disc prevents deformation of the Cylinder housing.
  • the support disk is supported on its circumference evenly on all sides on a shape-matched inner wall of the cylinder housing.
  • the support disk is arranged with a press fit in the opening of the cylinder housing.
  • the support disc is screwed into a thread of the receiving opening.
  • the support disc is glued in, while it is soldered in the embodiment according to claim 6 and welded in the embodiment according to claim 7 .
  • the cylinder housing is provided with a plurality of steps or shoulders into which a form-adapted support body in disk form engages, so that this not only stiffens and supports the cylinder housing in this area radially but also axially - Claim 8 .
  • the support disc is arranged in an arranged at the inner end of the cylinder housing, enlarged in diameter of the cylinder housing.
  • the support disc consists of armored steel weapon technology, for example as it is used for the casing of battle tanks.
  • the support disc can also consist of a very hard, high-tempered special steel, in particular armored steel.
  • Such steels can be, for example, martinsite-hardenable steels.
  • a martinsite-hardening steel can have the following characteristics: Stretch limit 800 to 1000 N / mm 2 strength 1100 to 1300 N / mm 2 Elongation at break 15% Constriction 7 to 15% hardness 350 HB
  • Such a martinsite hardenable steel for example 5.0% Mon 18.0% Ni 10.0% Co 1.0% Ti 4-6% Mon 16-19% Ni 7-11% Co 0.3-1.5% Ti or for example 8 to 13% Cr, preferably 8.7 to 9.3% Cr 7.8 to 11% Ni, preferably 8.3 to 10.2% Ni 4.5 to 1% Mo, preferably 2.9 to 1.9% Mo 1.9 to 3.2% Co, preferably 2.0 to 3.1% Co 0.5 to 1.9% Ti, preferably 0.8% Ti exhibit.
  • the support disk is made of bronze.
  • Bronze has a high pressure absorption capacity, does not burst as easily under pressure and does not deform as for example certain types of steel - claim 11 .
  • CuSn8 is used as the material for the support disk.
  • the material has at least a tensile strength of 390 to 750 N / mm 2 , preferably 690 N / mm 2 , a 0.2% proof stress of 290 to 700, preferably 640 N / mm 2 , an elongation at break from 60 to 10, preferably 10, and a Brinell hardness HB from 90 to 250, preferably 220.
  • Claim 13 describes an advantageous embodiment.
  • the protective cover arranged at the end face and facing outwards has a special shape by which the cylinder core is further secured against being pulled out.
  • the protective hood radially supports the outward-facing end region of the cylinder core.
  • a cylinder core head is connected to the actual cylinder core by a predetermined breaking point, which can be detached during a break-in attempt at a predetermined load. In this way it is prevented that only predetermined forces can be transmitted to the storage for the plug-in cylinder lock in the event of a break-in attempt.
  • Solid carbide pins prevent a pulling screw from being screwed into the cylinder core, for example. After a short distance, this hits a solid carbide pin and is deflected by it, so that the cutting edges of the drawing screw become blunt and cannot penetrate further into the material of the cylinder core.
  • the arrangement of the solid carbide pins hits a burglary tool, especially a pull screw, certainly on one Solid carbide pin.
  • Claim 32 describes a special, inventive solution for the arrangement of solid carbide pins, which also applies to claim 33.
  • Claim 34 describes a further embodiment in which the cylinder core head is coupled to the actual cylinder core by an adhesive connection which can be separated when a predetermined load is exceeded.
  • the cylinder core head is coupled to the cylinder core via a plurality of pins or screws, which also tear off when a defined shear and / or tensile stress is exceeded.
  • the predetermined breaking point is formed in the inventive solution according to claim 36 by weakening the cylinder core at a certain point. This weakening is formed by several radially directed recesses, for example bores. At this point, a predetermined breaking point is produced in this way, at which the cylinder core head can be separated from the cylinder core in a defined manner.
  • the plug-in cylinder lock shown in the drawing has a cylinder housing 1 and a cylinder core rotatably arranged therein in a bore 2, which has a key channel 3 running in the longitudinal axis direction has, into which a flat key, not shown, can be inserted.
  • the flat key can be designed as a longitudinal rib profile flat key and several Have depressions through which it in the longitudinal axis direction of the cylinder core 2 arranged, in parallel to each other blind holes of the Cylinder core 2 core pins 4, 5, 6, 7 and 8 arranged to be longitudinally displaceable controls the ends facing the recesses of the flat key are tapered (Fig. 5, 7).
  • housing pins 9, 10, 11, 12 and 13 arranged in the mutually parallel bores of the cylinder housing 1 are movable.
  • the housing pins 9 to 13 are each against the restoring force of compression springs stored in the drawing only are indicated schematically and are each against the associated Core pin 4 to 8 facing away from the relevant housing pin 9 to 13 support under tension so that the core pins 4 to 8 accordingly are spring loaded.
  • the core pins 4 to 8 and the housing pins 9 to 13 form the tumblers of the cylinder lock.
  • the cylinder housing 1 has a rear (inner) end portion 14 which has a rear-opening opening 15 in which a support disk 16 is arranged.
  • the support disc 16 is present in the press fit in the Opening 15 arranged and designed as a step plate.
  • the opening 15 is designed circular.
  • the support disk 16 is in the embodiment shown made of a tin-bronze alloy CuSn8 with, for example, the following Analysis:
  • the strength properties of this bronze can be as follows:
  • the thickness F measured in the axial direction is less than the axial length E of the opening 15 of the cylinder housing section 14 in this way there is an axial gap 17 to the head 18 of a screw 19 which in a threaded blind bore 20 of the cylinder core 2 is screwed in.
  • the Screw 19 connects a slide bolt 21 with the cylinder core 2. This slide bolt 21 emerges from a slit-shaped, the circumference of a Circular sector extending recess 22 of the cylinder housing 1 out.
  • the Movement of the cylinder core 2 is limited by a stop pin 23 which on the one hand engages in a radial slot 24 which is about 90 degrees or extends another angle in the circumferential direction of the cylinder core 2 and which, on the other hand, is arranged in a through bore 25 of the cylinder housing 1 is.
  • the head of the stop pin 23 engages in a bore 26 which is arranged in a steel jacket sleeve 27 on the cylinder housing 1 encompasses most of its length.
  • the steel jacket sleeve 27 On the outside Length section of the steel jacket sleeve 27 is from the outside one of the kind Sleeve or cap nut trained protective hood 28 made of steel, the with an axial length section 29, the steel jacket sleeve 27 on a Part of its length section facing outwards and with a material integrally connected radial section also the end face the steel jacket sleeve 27 and part of the end face of the cylinder housing 1 covers.
  • the protective hood 28 is with the steel jacket sleeve 27 and with the cylinder housing 1 by a plurality of radial pins 30 distributed over the circumference connected, which end on the outer periphery of the length section 29.
  • a locking pin is arranged, which in a slot 32 of a wall 33 intervenes.
  • the slot 32 extends in the axial longitudinal direction of the cylinder lock.
  • the reaction forces that over the flat key are transferred to the cylinder lock be so that the cylinder lock cannot twist.
  • a radial pin is arranged through a through hole 35 of the steel jacket sleeve 27 extends through and into a coaxially arranged Blind bore 36 engages, which is arranged in the cylinder housing 1 is. Characterized the cylinder housing 1 and the steel jacket sleeve 27 against each other locked.
  • At 37 and 38 and 39 are walls of an object to be protected, for example of a slot machine, indicated.
  • the walls 33, 37 and 38 each have a through hole, which are arranged coaxially to each other and in which the cylinder lock is inserted.
  • the dimension X is usually fixed in slot machines, so that the distance between the end face 40 and the inside 41 of the wall 39 are generally small is. Due to the fact that the dimension X is given by design, it normally exists little opportunity for constructive design.
  • the cylinder housing section 14 is on it the locking position of the slide bolt 21 diametrically opposite Side with a tangentially arranged, in the axial direction of the cylinder housing 1 extending surface 42 against which the slide bolt 21 Support, hang up and wedge if necessary in the event of a break-in can.
  • the design of the sliding bolt 21 is more clearly remove. From this it can be seen that the slide bolt 21 moves sideways opening slot 43 in which the screw head 18 engages as an eccentric. The slide bolt 21 is guided through a radial groove. Of the Slide latch 21 is on its top and bottom according to one Circular arcs 44 and 45 are rounded.
  • the slide bolt 21 does not consist of the embodiment shown rusting steel, for example made of X 5 CrNi 18 10, material number 1.4301.
  • a steel is an austenitic steel that is quenched at room temperature Condition has the following properties:
  • the steel jacket sleeve 27 is also made of stainless steel X 10 CrNiS 18 9, material number 1.4305. This is also an austenitic one Steel, which has the following material properties when quenched having:
  • FIGS. 13 to 25 For the embodiment shown in FIGS. 13 to 25, parts have been same function, the same reference numerals as in the embodiment 1 to 12 used.
  • the operation of the embodiment 13 to 25 thus basically corresponds to the embodiment 1 to 12, so that with regard to the basic structure and the functioning of the cylinder lock on the related the embodiment according to FIGS. 1 to 12 made references can be.
  • FIGS. 13 to 25 differs from the one described above Embodiment as follows:
  • the protective hood 28 is no longer - as in the embodiment 1 to 12 - provided with radial sectors 46. Rather, the cylinder core 2 at its outwardly facing end section with one at the Embodiment shown enlarged cylinder core head 49 provided, the material over a predetermined breaking point 50 in one piece with the Cylinder core 2 is connected.
  • the cylinder core head 49 can, however, if necessary also have the same diameter as the cylinder core 2.
  • the predetermined breaking point 50 is by existing on both sides of the key channel 3 strip-shaped material parts formed in the illustrated embodiment towards the outside by symmetrical parallel to each other walls 51 and 52 arranged to the axis of rotation of the cylinder core 2 are limited becomes.
  • these walls 51, 52 are each formed by a radial groove 53 or 54 formed.
  • the axial width G can be in the case of any radial groove 53 or 54 an embodiment 0.5 mm.
  • Both grooves 53 and 54 are arranged the same size and symmetrical to the longitudinal axis.
  • the axial length H of the cylinder core head 49 in this embodiment is 6 mm, while the grooves 53 and 54 approximately at an axial distance of approximately the groove width G. are arranged behind the cylinder core head 49.
  • the design of the predetermined breaking point 50 can also be different be carried out.
  • the predetermined breaking point 50 can also be produced differently, for example through several holes that are parallel or run at an angle to each other or by other cross-sectional reductions in the area of the predetermined breaking point or by using different ones Materials for the cylinder core 2 and the cylinder core head 49.
  • the cylinder core 2 in the embodiment shown on each side of its axis of rotation with each another solid carbide pin 57 or 58 provided.
  • These solid carbide pins 57, 58 can in principle have the same dimensions, at least in Diameter preserved like solid carbide pin 56.
  • Solid carbide pins as well 57 and 58 each end on the outer cylinder surface of the cylinder core 2, so that it is not hindered in its rotation.
  • a hard metal come not only hardened steels but also tungsten carbides and others, known carbides into consideration.
  • a pulling screw 55 is now screwed into the key channel 3, then first deflected by its solid carbide pin 56 from its longitudinal axis (Fig. 25) and then either meets the solid carbide pin 57 or 58, can So only a small part of its length in the key channel 3 - if at all - be screwed in, so that the intended full Allow drawing stresses to be transferred to the cylinder core 2.
  • the screw-in attempt thus usually ends at the solid carbide pin 57, so that only the cylinder core head 49 can be torn off at the predetermined breaking point 50.
  • the cutting tips of the pull screw 55 are screwed in by the Solid carbide pin 56 blunt, so that they are no longer in the rule Brass existing cylinder core head 49 and also made of brass Have the cylinder core 2 screwed in.

Landscapes

  • Control Of Vending Devices And Auxiliary Devices For Vending Devices (AREA)
  • Connector Housings Or Holding Contact Members (AREA)
  • Valve Device For Special Equipments (AREA)
  • Vehicle Body Suspensions (AREA)
  • Chairs Characterized By Structure (AREA)
  • Storage Of Web-Like Or Filamentary Materials (AREA)
  • Filling Or Discharging Of Gas Storage Vessels (AREA)

Claims (36)

  1. Serrure à cylindre enfichable destinée à protéger un objet, présentant au moins une ouverture de réception, dans laquelle la serrure à cylindre enfichable doit être agencée et dans laquelle elle peut être bloquée, la serrure à cylindre enfichable comportant un boítier de cylindre (1), un noyau de cylindre (2) comportant un canal de clé s'étendant dans le direction de l'axe longitudinal (3) étant agencé par rotation dans un alésage du boítier de cylindre (1), pouvant être entraíné en rotation de manière limitée dans la direction circonférentielle par une clé plate, devant être insérée à partir de la face frontale orientée vers l'extérieur du boítier de cylindre dans le canal de la clé (3), plusieurs rangées de goupilles de boítier étant agencées l'une derrière l'autre ou l'une à côté de l'autre (9 - 13) et des goupilles de noyau correspondantes (4 - 8) formant des gâchettes des goupilles, un verrou glissant (21) pouvant être entraíné par le noyau du cylindre (2), le boítier du cylindre enfichable comportant au niveau de sa partie orientée vers l'intérieur une section d'extrémité (14), avec une ouverture ouverte vers l'arrière (15), caractérisée en ce qu'un disque de support (16) est agencé dans l'ouverture (15), supportant radialement cette partie de la section du boítier du cylindre (14), et en ce que la section du boítier du cylindre (14) comporte au voisinage du disque de support (16), sur son côté extérieur, une surface (42) s'étendant de manière tangentielle, dans le sens de la longueur du boítier du cylindre (1), opposée au verrou glissant (21) dans la position de verrouillage, et assurant une déformation, un sens de la déformation et un support définis du verrou glissant (21) en cas d'un tentative de cambriolage.
  2. Serrure à cylindre enfichable selon la revendication 1, caractérisée en ce que le disque de support (16) de la section du boítier du cylindre (14) est supportée radialement de tous les côtés.
  3. Serrure à cylindre enfichable selon les revendications 1 ou 2, caractérisée en ce que le disque de support (16) est agencé par ajustement serré dans l'ouverture (15).
  4. Serrure à cylindre enfichable selon les revendications 1 ou 2, caractérisée en ce que le disque de support (16) est vissé dans l'ouverture (15).
  5. Serrure à cylindre enfichable selon les revendications 1 ou 2, caractérisée en ce que le disque de support (16) est collé dans l'ouverture (15).
  6. Serrure à cylindre enfichable selon les revendications 1 ou 2, caractérisée en ce que le disque de support (16) est brasé dans l'ouverture (15).
  7. Serrure à cylindre enfichable selon la revendications 1 ou 2, caractérisée en ce que le disque de support (16) est soudé dans l'ouverture (15).
  8. Serrure à cylindre enfichable selon la revendication 1 ou selon l'une des revendications suivantes, caractérisée en ce que l'ouverture (15) comporte plusieurs échelons contre lesquels le disque de support (16) est supporté par un façonnage correspondant.
  9. Serrure à cylindre enfichable selon la revendication 1 ou selon l'une des revendications suivantes, caractérisée en ce que le disque de support (16) est agencé à une distance axiale réduite (17) d'une vis (19) retenant le verrou glissant (21) sur le noyau du cylindre (2).
  10. Serrure à cylindre enfichable selon la revendication 1 ou selon l'une des revendications suivantes, caractérisée en ce que le disque de support est composé d'un acier de blindage très dur et hautement traité de la technique des armes, présentant par exemple la composition ci-dessous:
    C 0,35 à 0,7%, Si 0,10 à 0,70%, Mn 0,50 à 1,00 %, P et S moins de 0,02%, Cr 1,3 à 2,6%, Ni 0,20 à 3,60%, Mo 0,40 à 0,70%, V 0,04 à 0,30%, toutes les indications étant faites en pourcentages de poids.
  11. Serrure à cylindre enfichable selon la revendication 1 ou selon l'une des revendications suivantes, caractérisée en ce que le disque de support (16) est composé d'un alliage approprié d'étain et de cuivre selon DIN 17662.
  12. Serrure à cylindre enfichable selon la revendication 11, caractérisée en ce que le disque de support (16) est composé de CuSn8, présentant les propriétés ci-dessous:
    résistance à la traction en N/mm2 comprise entre 390 et 700, de préférence de 690 N/mm2; limite d'élasticité de 0,2% en N/mm2 comprise entre 290 et 700, de préférence de 640 N/mm2; allongement à la rupture en pour-cent compris entre 60 et 10, de préférence de 10; dureté Brinell comprise entre 90 et 250, de préférence de 220.
  13. Serrure à cylindre enfichable selon la revendication 12, caractérisée en ce que la composition matérielle du matériau du disque de support (16) est la suivante:
    CU reste; Sn 7,5 à 8,5; P 0,01 à 0,35; Fe 0,1; Ni 0,3; Pb 0,05; Zn 0,3; autres éléments 0,2; densité kg/dm3 8,8, toutes les indications étant faites en pourcentages de poids.
  14. Serrure à cylindre enfichable selon la revendication 1 ou selon l'une des revendications suivantes, caractérisée en ce que le boítier du cylindre (1) est renfermé sur la majeure partie de sa longueur axiale par une enveloppe en acier (27), surmontée dans sa zone d'extrémité frontale orientée vers l'extérieur par un capot de protection (28), à la manière d'un écrou d'accouplement, de sorte que le capot de protection (28) recouvre et renferme l'enveloppe en acier (27) sur une partie de sa longueur axiale et de manière radiale sur le côté avant orienté vers l'extérieur.
  15. Serrure à cylindre enfichable selon la revendication 14, caractérisée en ce que l'enveloppe en acier (27) et le capot de protection (28) sont composés d'un acier inoxydable selon DIN 17440, plus spécifiquement de X 10 CrNiS 18 9, numéro de matériau 1.4305.
  16. Serrure à cylindre enfichable selon la revendication 15, caractérisée en ce que le verrou glissant (21) est également composé d'un acier inoxydable selon DIN 17440 de la qualité d'acier X 5 CrNi 18, 10, numéro de matériau 1.4301.
  17. Serrure à cylindre enfichable selon les revendications 15 et 16, caractérisée en ce que la densité est de 7,9 kg/dm3, le module d'élasticité de 200 kN/mm2 à 20 degrés Celsius, et de 194 à 100 degrés Celsius.
  18. Serrure à cylindre enfichable selon la revendication 14 ou selon l'une des revendications suivantes, caractérisée en ce que la qualité d'acier du verrou glissant (21) présente les mêmes propriétés physiques que l'acier inoxydable de l'enveloppe en acier (27).
  19. Serrure à cylindre enfichable selon la revendication 14 ou selon l'une des revendications suivantes, caractérisée en ce que dans la zone de la section longitudinale orientée vers l'extérieur du boítier du cylindre (1) sont agencées plusieurs goupilles radiales (30), s'engageant dans un alésage de passage à extension radiale du capot de protection (28), dans un alésage à extension coaxiale correspondant de l'enveloppe en acier (27) et dans un alésage borgne du boítier du cylindre (1), et en ce que dans la zone de la section longitudinale interne est agencée une goupille radiale supplémentaire (34), traversant un alésage de passage à extension radiale de l'enveloppe de protection (27) et agencée dans un alésage borgne coaxial correspondant du boítier du cylindre (1), une goupille d'arrêt supplémentaire à extension radiale (31) étant agencée entre les deux goupilles radiales (30 et 34), s'engageant dans une fente (32) dans une paroi (33), absorbant lors de la fermeture les forces de réaction produites dans la direction circonférentielle de la serrure à cylindre enfichable, la goupille d'arrêt (31) étant agencée dans un alésage à extension radiale de l'enveloppe en acier (27).
  20. Serrure à cylindre enfichable selon la revendication 14 ou selon l'une des revendications suivantes, caractérisée en ce que le capot de protection (28) entoure l'enveloppe en acier (27) sur environ un tiers à un cinquième de la longueur axiale de la serrure à cylindre enfichable.
  21. Serrure à cylindre enfichable selon la revendication 14 ou selon l'une des revendications suivantes, caractérisée en ce que le capot de protection (28) entoure avec plusieurs secteurs radiaux (46, 57) le côté avant orienté vers l'extérieur du noyau du cylindre jusque vers le canal de la clé (3).
  22. Serrure à cylindre enfichable selon la revendication 14 ou selon l'une des revendications suivantes, caractérisée en ce que le capot de protection (28) entoure radialement la zone d'extrémité côté avant orientée vers l'extérieur du noyau du cylindre (2) et en ce que le côté avant orienté vers l'extérieur (48) du noyau du cylindre (2) coïncide avec le côté avant du capot de protection (28) qui y est agencé, le noyau du cylindre pouvant aussi être légèrement déplacé axialement vers l'arrière et vers l'intérieur.
  23. Serrure à cylindre enfichable selon la revendication 14 ou selon l'une des revendications suivantes, caractérisée en ce que le noyau du cylindre (2) comporte sur une section longitudinale orientée vers l'extérieur, sur une partie réduite de sa longueur axiale, une tête de cylindre (49), dont le diamètre est égal ou supérieur à celui du noyau du cylindre (2), et en ce que le capot de protection (28) entoure également cette tête de cylindre (49), la tête du cylindre (49) étant reliée au le noyau du cylindre (2) par l'intermédiaire d'un point de rupture (50).
  24. Serrure à cylindre enfichable selon la revendication 23, caractérisée en ce que le point de rupture (50) est formé par un ou plusieurs évidements, affaiblissant le diamètre du noyau du cylindre (2) et/ou à partir une section de matériau moins résistant.
  25. Serrure à cylindre enfichable selon la revendication 24, caractérisée en ce que les évidements ont la forme de rainures radiales diamétralement opposées, de préférence de taille et de forme identiques (53, 54), délimitant chacune une paroi (51, 52).
  26. Serrure à cylindre enfichable selon la revendication 25, caractérisée en ce que les parois (51, 52) s'étendent parallèlement les unes aux autres et de façon orthogonale par rapport à l'axe de rotation du noyau du cylindre (2), ainsi qu'à une distance radiale du canal de la clé (3).
  27. Serrure à cylindre enfichable selon la revendication 23 ou selon l'une des revendications suivantes, caractérisée en ce que le point de rupture (50) est dimensionné de sorte que la tête du noyau du cylindre (49) peut être découpée ou arrachée du noyau du cylindre (2), directement ou indirectement après une déformation du verrou glissant (21), avant la possibilité d'une transmission de contraintes plus importantes vers le palier du boítier du cylindre enfichable.
  28. Serrure à cylindre enfichable selon la revendication 23 ou selon l'une des revendications suivantes, caractérisée en ce que la tête du noyau du cylindre (49) comporte au moins une goupille en métal dur (56), dont l'axe longitudinal s'étend à une distance de l'axe de rotation du noyau du cylindre (2) et à une distance radiale minimale du canal de la clé (3), de sorte qu'une vis de traction (55) vissée dans le canal de la clé (3) peut être déviée de manière excentrique par la goupille en métal dur (56).
  29. Serrure à cylindre enfichable selon la revendication 23 ou selon l'une des revendications suivantes, caractérisée en ce qu'au moins une goupille en métal dur (57 ou 58) est agencée à une distance axiale du point de rupture (50), au moins sur un côté, de préférence sur chaque côté de l'axe de rotation du noyau du cylindre (2), les axes longitudinaux de ces goupilles en métal dur (57, 58) s'étendant parallèlement à l'axe longitudinal de la goupille en métal dur (56) agencée dans la tête du noyau du cylindre (49).
  30. Serrure à cylindre enfichable selon la revendication 28 ou selon l'une des revendications suivantes, caractérisée en ce que les goupilles en métal dur (56, 57, 58) aboutissent avec leurs extrémités à la surface de l'enveloppe du cylindre de la tête du noyau du cylindre (49) sur un côté, et à la surface de l'enveloppe du cylindre du noyau du cylindre (2) sur l'autre côté.
  31. Serrure à cylindre enfichable selon la revendication 28 ou selon l'une des revendications suivantes, caractérisée en ce que les goupilles en métal dur (57, 58) sont agencées chacune entre des goupilles de gâchette avoisinantes.
  32. Serrure à cylindre enfichable selon la revendication 28 ou selon l'une des revendications suivantes, caractérisée en ce que la ligne de jonction des centres des goupilles en métal dur (56, 57 et 57, 58) agencées sur les différents côtés de l'axe de rotation du noyau du cylindre (2) coupe à chaque fois l'axe de rotation du noyau du cylindre (2) à un angle aigu.
  33. Serrure à cylindre enfichable selon la revendication 28 ou selon l'une des revendications suivantes, caractérisée en ce que la ligne de jonction des centres de la goupille en métal dur (56) agencée dans la tête du noyau du cylindre (49), d'une part, et d'au moins une goupille en métal dur (58) du noyau du cylindre (2), agencée sur le même côté de l'axe de rotation du noyau du cylindre (2), d'autre part, s'étend parallèlement à l'axe de rotation du noyau du cylindre (2).
  34. Serrure à cylindre enfichable selon la revendication 28 ou selon l'une des revendications suivantes, caractérisée en ce que la tête du noyau du cylindre (49) est accouplée au noyau du cylindre (2) par une liaison par collage, se déchirant ou pouvant être découpée en présence d'une contrainte définie.
  35. Serrure à cylindre enfichable selon la revendication 28 ou selon l'une des revendications suivantes, caractérisée en ce que la tête du noyau du cylindre (49) est accouplée au noyau du cylindre (2) par une ou plusieurs goupilles ou vis, pouvant être arrachées en cas de dépassement d'une contrainte de cisaillement et/ou d'une contrainte de traction définies.
  36. Serrure à cylindre enfichable selon la revendication 28 ou selon l'une des revendications suivantes, caractérisée en ce que le point de rupture (50) est formé par plusieurs évidements à orientation radiale sur le noyau du cylindre, par exemple par des alésages.
EP96118819A 1996-05-21 1996-11-25 Serrure à cylindre Expired - Lifetime EP0808970B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE29609077U 1996-05-21
DE29609077U DE29609077U1 (de) 1996-05-21 1996-05-21 Steckzylinderschloß, insbesondere zur Verwendung an Schutzvorrichtungen und Fallen für Spiel- und Warenautomaten, an Gitterrolltoren, an beweglichen Schutzgittern o.dgl.

Publications (3)

Publication Number Publication Date
EP0808970A2 EP0808970A2 (fr) 1997-11-26
EP0808970A3 EP0808970A3 (fr) 1998-05-27
EP0808970B1 true EP0808970B1 (fr) 1999-08-11

Family

ID=8024199

Family Applications (1)

Application Number Title Priority Date Filing Date
EP96118819A Expired - Lifetime EP0808970B1 (fr) 1996-05-21 1996-11-25 Serrure à cylindre

Country Status (3)

Country Link
EP (1) EP0808970B1 (fr)
AT (1) ATE183277T1 (fr)
DE (2) DE29609077U1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102007062162A1 (de) 2007-12-21 2009-07-09 Jul.Niederdrenk Gmbh & Co.Kg Wegfahrsperre
CN102661084A (zh) * 2012-05-11 2012-09-12 章景林 防盗门锁弹子锁头

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE29808432U1 (de) 1998-05-09 1998-07-30 August Knapp Schliestechnik Gm Steckzylinderschloß, insbesondere zur Verwendung an Schutzvorrichtungen und Fallen für Spiel- und Warenautomaten, an Gitterrolltoren, an beweglichen Schutzgittern o.dgl.

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5284100A (en) * 1976-01-06 1977-07-13 Takigen Mfg Co Lock device
FR2589926B1 (fr) * 1985-11-14 1993-12-31 Neiman Sa Verrou a pistons a rotor coulissant embrayable avec un organe de commande
DE3835816A1 (de) * 1988-10-21 1990-04-26 Erich Mundhenke Zylinderschloss
US5177466A (en) * 1991-08-05 1993-01-05 Lai Chung C Lock structure with a warning device
AT405669B (de) * 1995-03-03 1999-10-25 Evva Werke Aufbohrsicherung für zylinderschlösser

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102007062162A1 (de) 2007-12-21 2009-07-09 Jul.Niederdrenk Gmbh & Co.Kg Wegfahrsperre
CN102661084A (zh) * 2012-05-11 2012-09-12 章景林 防盗门锁弹子锁头

Also Published As

Publication number Publication date
DE59602711D1 (de) 1999-09-16
ATE183277T1 (de) 1999-08-15
EP0808970A3 (fr) 1998-05-27
DE29609077U1 (de) 1996-08-14
EP0808970A2 (fr) 1997-11-26

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