EP1272720A1 - Cylinder lock with a cylinder housing and flange key for a cylinder lock - Google Patents

Cylinder lock with a cylinder housing and flange key for a cylinder lock

Info

Publication number
EP1272720A1
EP1272720A1 EP02715465A EP02715465A EP1272720A1 EP 1272720 A1 EP1272720 A1 EP 1272720A1 EP 02715465 A EP02715465 A EP 02715465A EP 02715465 A EP02715465 A EP 02715465A EP 1272720 A1 EP1272720 A1 EP 1272720A1
Authority
EP
European Patent Office
Prior art keywords
key
locking
cylinder
cylinder lock
cutout
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP02715465A
Other languages
German (de)
French (fr)
Other versions
EP1272720B1 (en
Inventor
Kurt Prunbauer
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.)
EVVA Sicherheitstechnologie GmbH
Original Assignee
EVVA Werk Spezialerzeugung von Zylinder und Sicherheitsschloessern GmbH and Co KG
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 EVVA Werk Spezialerzeugung von Zylinder und Sicherheitsschloessern GmbH and Co KG filed Critical EVVA Werk Spezialerzeugung von Zylinder und Sicherheitsschloessern GmbH and Co KG
Priority to SI200230620T priority Critical patent/SI1272720T1/en
Publication of EP1272720A1 publication Critical patent/EP1272720A1/en
Application granted granted Critical
Publication of EP1272720B1 publication Critical patent/EP1272720B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B11/00—Devices preventing keys from being removed from the lock ; Devices preventing falling or pushing out of keys
    • E05B11/005—Devices preventing keys from being removed from the lock ; Devices preventing falling or pushing out of keys by key modifications or attachments, e.g. excentric centre of gravity
    • 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
    • E05B27/0078—Asymmetrical tumbler pins, e.g. with a key operating on a radial protrusion of a tumbler pin
    • 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
    • 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
    • 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
    • E05B27/0082—Side bar locking

Definitions

  • the invention relates to a cylinder lock with a cylinder housing and a cylinder core rotatable therein, which has a key channel for a flat key and scanning elements for control surfaces of the key as well as locking elements which block or release the cylinder core against rotation.
  • the inserted key should only be removable in the so-called zero position. It must be prevented that the key is removed in any other twisted position, especially in the 180 ° position of the cylinder core.
  • the previous constructive measures do not work in all cases.
  • the key should also be able to be removed if tensile force is exerted on the key when it is turned. This occurs e.g. then when the door is closed with a twisted key and an attempt is made to remove the key while keeping the train going. In the case of locks, it can happen that the locking elements in the interior of the lock are clogged by the tensile force during twisting so that they do not come into the release position or only when the key is released briefly and then removed. This is often viewed by the consumer as an error in the lock construction.
  • the present invention is intended to solve the problem that the key can only be removed in the exactly defined zero position and in the rotated position the locking elements arranged in the lock should
  • a displaceable catch bracket is arranged in the cylinder core in a plane transverse to the central longitudinal plane of the cylinder lock, which engages over the key channel on a narrow side with a locking leg, the locking leg between control positions of the key and spring force between the locked position and release position is movable and opposite to a release exemption of the key when the flat key is fully inserted and is held in the locking position in a locking recess of the cylinder housing when the key is not fully inserted by a locking flank of the key.
  • the flat key for the aforementioned cylinder lock is characterized in that the key has a cut-out recess on the back and then an S-locking flank pointing in the direction of the key tip.
  • Fig. 1 shows the cross section through a cylinder lock of a certain K nstr ⁇ kti ⁇ nsart, which is only given as an example
  • Fig. 2 is a schematic longitudinal section through part of the cylinder core with e-length key in the zero position
  • Fig. 3 shows a rotated position of the cylinder core
  • Fig. 4 is a section along the line IV-IV in Fig. 2
  • Fig. 5 is a top view of the cylinder core with the cylinder housing cut open; parts of the lock that are not essential here are omitted
  • Fig. 6 shows the supervision of a variant
  • Fig. 7 shows the top view of a key back in a variant.
  • the cylinder core 2 is rotatably mounted in the cylinder housing 1.
  • the rotation takes place along the cylindrical rotary plane 3.
  • the key 5 sits in the form of a flat key, the key bit 6 of which has the known key notches.
  • Both the key channel 4 with the key 5 and the core pin bore 8 lie in the central longitudinal plane 7 of the lock.
  • the core pin 9 sits in the core pin bore 8 and is controlled into its position by the key notches of the key bit 6.
  • a guide channel 10 is arranged in the cylinder core 2 parallel to the Kerrtstartothrung 8, which extends through the cylinder core.
  • a guide body 11 is arranged in the guide channel 10 and sits laterally on the core pin 9.
  • the guide body 11 has a release groove 13 on its flank 12 facing away from the key channel.
  • a receiving tab 14, which engages a compression spring 15, is located at the upper end of the guide body 11.
  • a displaceable locking element 17 is located in a recess 16, which is biased by the spring 18 in the direction of a latching recess 19 of the cylinder housing.
  • the locking lug 20 of the locking element 17 is locked into the locking recess 19.
  • the locking element 17 has at its inner end opposite each guide body 11 a sensing pin 21, which is of such a size that it can be inserted into the release groove 13.
  • the operation of the cylinder lock is as follows: When the key 5 is inserted, the key pin 9 is pressed downwards by the key bit 6 against the pressure of the spring 15 into the locked ordered position pressed. The guide body 11 is also moved, with the correct key, the release groove 13 comes into the position shown, so that it is opposite the locking lug 20 of the locking element 17. When the cylinder core is rotated, the locking element with its locking lug 20 can thus be pressed out of the locking recess 19, the scanning pin 21 being pushed into the release groove 13. The cylinder core can thus be freely rotated.
  • the core pins 9 and the guide body 11 are arranged several times, they must all assume the above-mentioned position so that the locking element 17 can move into the release position.
  • the core pin 9 and the guide body 11 connected to it assume a different position, so that the scanning pin 21 abuts against the flank 12 of the guide body, whereby the lock is blocked.
  • the cylinder housing 1 has an annular groove 22, which is open to the cylinder core 2.
  • the width of the annular groove 22 corresponds to the width of the guide body or is larger.
  • the respective ends of the guide body 11 and the rsrnstatt 9 are exposed by the annular groove 22, which on the one hand increases the stroke and on the other hand both components can be made longer, so that the guidance in the guide channel and in the core pin bore 8 is improved.
  • the upper end of the guide body 11 engages in the annular groove 22 when no key is inserted, thereby providing protection against stripping for the core.
  • the cylinder core can therefore not be broken open with the known drawing method.
  • the key 5 can correspond to any suitable conventional flat key, as is customary for shared tumbler pins.
  • it has longitudinal profile grooves 23 and lateral profile recesses 24, which can be scanned in a known manner by additional scanning elements 25 and offer additional possibilities for variation.
  • the cylinder housing has the traditional housing shape with dan web 32. As can be seen, there are no lock elements in this web 32. This web 32 can either be omitted, as is required for round cylinders, or this space can also be used for additional lock and fastening elements.
  • the arrangement of the ring grooves 22 is only an example and these can also be omitted.
  • a catch bracket 26 is slidably arranged in a plane transverse to the central longitudinal plane of the cylinder lock and engages over the key channel 4 on the narrow side thereof with a latching leg 27.
  • the upper end of the catch bracket 26 lies with its latching leg 27 in a latching recess 28 of the cylinder housing 1.
  • the key 5 has a release recess 29 opposite the latching leg 27.
  • the cylinder core can be freely rotated, since when the locking plates 27 are rotated it is pressed out of the catch recess 28 and is released downward into the cut-out recess 29.
  • this movement of the safety catch is only possible if the key is fully inserted. If the key is not fully inserted, the locking flank 30 of the key may lie under the locking leg 27, so that the locking leg 27 cannot be pushed down and therefore the cylinder core cannot be rotated.
  • the dimensional conditions are approximately such that the total depth of the cutout 29 (Y) is equal to the total height of the locking leg 27.
  • the depth X of the locking recess 28 corresponds approximately to the depth the cutout 29 opposite the locking flank 30 towards the key tip.
  • the position of the locking flank 30 forms a lowering relative to the key back 31.
  • This lowering enables the key tip to be pushed under the locking leg 27.
  • the lowering also brings about a further security feature of the key, since conventional flat keys cannot be fully inserted into the key channel without such lowering.
  • the effect of the device is given by the fact that the locking flank 30 engages under the locking leg 27 shortly before the key is completely inserted into the key channel and prevents the cylinder core from being rotated prematurely. This also eliminates the lateral load on the core pins, which are relieved of any rotary movement, since the rotation is only possible when the key is fully inserted.
  • the safety catch 26 consists of a Fühinjngsschenkel 33, which is mounted in a 34 on ahrebchrung under pressure of the spring 35.
  • the outer surface 39 of the locking leg 27, which rests on the locking recess 28, is made so wide that the locking leg 27 cannot snap into any of the other locking recesses 19 in order to avoid jamming when the cylinder core is rotated.
  • the position of the safety catch 26 is preferably seen in front of the first key notch 36 from the key tip.
  • the distance Z is fundamentally variable, so that the catch bracket can also be further away from the tip of the key.
  • the distance Z from the key tip can be varied, which increases the number of variations, which means a further advantage of the invention.
  • the cutout 29 are formed transversely such that they are perpendicular to the central longitudinal axis 7.
  • the arrangement can advantageously also be inclined, as can be seen in FIGS. 6 and 7.
  • FIG. 5 shows the arrangement of the catch bracket 26 with a view of the cylinder core from above.
  • the core pin holes 8 are shown schematically without the core pins located therein.
  • the required movement space for the locking leg 27 is ensured by the slot 37 in the cylinder core, as can also be seen in FIG. 4.
  • the arrangement of the handle and the design of the key are largely independent of the other key structures.
  • the cylinder lock can be varied in that the locking leg 27 of the catch bracket 26 lies obliquely to the central longitudinal plane 7 of the lock. Accordingly, the slot 37 of the cylinder core is also arranged obliquely here. The angle to the vertical is drawn somewhat higher and will be around 30 ° in practice. Accordingly, the cut-out recess 29 is also arranged obliquely on the spine of the key 38 according to FIG. 7, which serves to increase the number of variations and the locking safety.
  • the vertical arrangement of the locking leg 27 according to FIG. 2 can also be combined in the lock with the oblique arrangement of the fire recess 29 on the back of the key, by arranging an oblique rib on the locking leg 27 which scans the oblique clearance recess.

Abstract

The invention relates to a cylinder lock with a cylinder housing (1) and a cylinder core (2) which is rotatable therein, said cylinder core comprising a key channel (4) for a flat key (5) and scanning elements (25) for control surfaces of the key (4), in addition to locking elements (25) which block the cylinder core and prevent it from rotating or which release said cylinder core. According to the invention, a displaceable safety shackle (26) is arranged on a plane which is perpendicular to the median longitudinal plane (7) of the cylinder lock and overlaps with the key channel (4) on a narrow side by means of a locking limb (27). The locking limb can be moved between a locking position and a released position by means of control surfaces of the key (5) and by an elastic force (35). When the flange key is fully inserted, said locking limb is placed opposite to a release recess (29) of the key .When the key is not fully inserted, said locking limb is held n a locking position by a locking flank (30) of the key in a locking recess (28) of the cylinder housing.

Description

Zylinderschloß mit Zylindergehäuse und Flachschlüssel für ein Zylinderschloß Cylinder lock with cylinder housing and flat key for a cylinder lock
Die Erfindung betrifft ein Zylinderschloß mit Zylindergehäuse und darin verdrehbarem Zylinderkern, der- einen Schlüsselkanal für einen Flachschlüssel und Abtastelemente für Steuerflächen des Schlüssels sowie Sperrelemente aufweist, die den Zylinderkern gegen Verdrehen blockieren oder freigeben.The invention relates to a cylinder lock with a cylinder housing and a cylinder core rotatable therein, which has a key channel for a flat key and scanning elements for control surfaces of the key as well as locking elements which block or release the cylinder core against rotation.
Bei Zylinderschlössern soll der eingesteckte Schlüssel nur in sogenannter Nullstellung äbziehbar sein. Es muß verhindert sein, daß der Schlüssel in jeder anderen verdrehten Stellung abgezogen wird, insbesondere in der 180°-Stellung des Zylinderkemes. Die bisherigen konstruktiven Maßnahmen wirken nicht in allen Fällen.In the case of cylinder locks, the inserted key should only be removable in the so-called zero position. It must be prevented that the key is removed in any other twisted position, especially in the 180 ° position of the cylinder core. The previous constructive measures do not work in all cases.
Wenn sich der Zylinderkern in Nullstellung befindet, soll der Schlüssel aber auch dann abgezogen werden können, wenn beim Verdrehen Zugkraft auf den Schlüssel ausgeübt wird. Dies tritt z.B. dann auf, wenn mit verdrehtem Schlüssel die Tür zugezogen und dann unter Aufrechthaltung des Zuges versucht wird, den Schlüssel abzuziehen. Bei Schlössern kann es vorkommen, daß durch die Zugkraft beim Verdrehen die im Schloßinneren liegenden Sperrelemente ver- kleπmen, so daß diese nicht in Freigabestellung kommen oder erst dann, wenn der Schlüssel kurzzeitig losgelassen und danach abgezogen wird. Dies wird vom Konsumenten oft als Fehler der Schloßkonstruktion angesehen.If the cylinder core is in the zero position, the key should also be able to be removed if tensile force is exerted on the key when it is turned. This occurs e.g. then when the door is closed with a twisted key and an attempt is made to remove the key while keeping the train going. In the case of locks, it can happen that the locking elements in the interior of the lock are clogged by the tensile force during twisting so that they do not come into the release position or only when the key is released briefly and then removed. This is often viewed by the consumer as an error in the lock construction.
Die vorliegende Erfindung soll das Problem lösen, daß der Schlüssel nur in der exakt definierten Nullstellung abziehbar ist und in ver- drehter Stellung sollen die im Schloß angeordneten Sperrelemente vomThe present invention is intended to solve the problem that the key can only be removed in the exactly defined zero position and in the rotated position the locking elements arranged in the lock should
Zug entlastet sein, auch wenn auf den Schlüssel eine ZugbelastungBe relieved of tension, even if there is a tensile load on the key
BESTATIGUNGSKOPIE einwirkt .BESTATIGUNGSKOPIE acts.
Die Aufgabe wird gemäß vorliegender Erfindung dadurch gelöst, daß im Zylinderkern in einer Ebene quer zur Mittellängsebene des Zylinder- Schlosses ein verschiebbarer Fangbügel angeordnet ist, der den Schlüsselkanal an einer Schmalseite mit einem Rastschenkel übergreift, wobei der Rastschenkel durch Steuerflächen des Schlüssels und Federkraft zwischen Sperrstellung und Freigabestellung bewegbar ist und bei voll eingeschobenem Flachschlüssel einer Freistellaus- nehmung des Schlüssels gegenüberliegt und bei nicht voll eingeschobenem Schlüssel durch eine Sperrflanke des Schlüssels in Sperrstellung in einer Rastausnehmung des Zylindergeh uses gehalten ist.The object is achieved according to the present invention in that a displaceable catch bracket is arranged in the cylinder core in a plane transverse to the central longitudinal plane of the cylinder lock, which engages over the key channel on a narrow side with a locking leg, the locking leg between control positions of the key and spring force between the locked position and release position is movable and opposite to a release exemption of the key when the flat key is fully inserted and is held in the locking position in a locking recess of the cylinder housing when the key is not fully inserted by a locking flank of the key.
Der Flachschlüssel für das vorgenannte Zylinderschloß ist dadurch gekennzeichnet, daß der Schlüssel am Rücken eine Freistellausnehmung und daran anschließend eine in Richtung zur Schlüsselspitze weisende SJperrflanke aufweist.The flat key for the aforementioned cylinder lock is characterized in that the key has a cut-out recess on the back and then an S-locking flank pointing in the direction of the key tip.
Weitere vorteilhafte Merkmale sind den Ansprüchen, der Beschreibung und den Zeichnungen zu entnehmen.Further advantageous features can be found in the claims, the description and the drawings.
Im folgenden wird die Erfindung anhand eines Ausführungsbeispieles näher erläutert. Die erfiπdungsgemäßen Merkmale sind bei beliebigen Schloßkαnstruktionen vorsehbar, so daß diesbezüglich keinerlei Ein- sc-hr nkungen gegeben sind. Der Vorteil der Zugentlastung der Sperrelemente im Schloß gilt für alle derartigen Schloßkonstruktionen.The invention is explained in more detail below using an exemplary embodiment. The features according to the invention can be provided in any lock construction, so that there are no restrictions in this regard. The advantage of strain relief of the locking elements in the lock applies to all such lock designs.
Die Fig. 1 zeigt den Querschnitt durch ein Zylinderschloß einer bestimmten K nstrυktiαnsart, die nur beispielhaft angeführt ist; Fig. 2 ist scheπatisch ein Längsschnitt durch einen Teil des Zylinderkernes mit e-Lngeschdbenem Schlüssel in Nullstellung; Fig. 3 zeigt eine verdrehte Lage des Zylinderkernes; Fig. 4 ist ein Schnitt nach der Linie IV- IV in Fig. 2; Fig. 5 ist die Aufsicht auf den Zylinderkern bei aufgeschnittenem Zylindergehäuse; hier nicht wesentliche Schloßteile sind weggelassen; Fig. 6 zeigt die Aufsicht auf eine Variante;Fig. 1 shows the cross section through a cylinder lock of a certain K nstrυktiαnsart, which is only given as an example; Fig. 2 is a schematic longitudinal section through part of the cylinder core with e-length key in the zero position; Fig. 3 shows a rotated position of the cylinder core; Fig. 4 is a section along the line IV-IV in Fig. 2; Fig. 5 is a top view of the cylinder core with the cylinder housing cut open; parts of the lock that are not essential here are omitted; Fig. 6 shows the supervision of a variant;
Fig. 7 zeigt die Aufsicht auf einen Schlüsselrücken in einer Variante.Fig. 7 shows the top view of a key back in a variant.
Gemäß Fig. 1 ist im Zyli-ndergehäuse 1 der Zylinderkem 2 drehbar gelagert. Die Drehung erfolgt entlang der zylindrischen Drehebene 3. Im Schlüsselkanal 4 sitzt der Schlüssel 5 in Form eines Flachschlüssels, dessen Schlüsselbart 6 die bekannten Schlüsselkerben aufweist. In der Mittellängsebene 7 des Schlosses liegt sowohl der Schlüssel- kanal 4 mit den Schlüsel 5, als auch die Kernstiftbdhrung 8. In der Kernstiftbohrung 8 sitzt der Kemstift 9, der von den Schlüsselkerben des Schlüsselbarts 6 in seine Stellung gesteuert wird.1, the cylinder core 2 is rotatably mounted in the cylinder housing 1. The rotation takes place along the cylindrical rotary plane 3. In the key channel 4, the key 5 sits in the form of a flat key, the key bit 6 of which has the known key notches. Both the key channel 4 with the key 5 and the core pin bore 8 lie in the central longitudinal plane 7 of the lock. The core pin 9 sits in the core pin bore 8 and is controlled into its position by the key notches of the key bit 6.
Parallel zur Kerrtstifttohrung 8 ist im Zylinderkern 2 ein Führungs- kanal 10 angeordnet, der den Zylinderkern durchragt. Im Führungskanal 10 ist ein Fuhrungskörper 11 angeordnet, der seitlich am Kemstift 9 sitzt. Der Fuhrungskörper 11 weist an seiner vom Schlüssel- kanal abgewandten Flanke 12 eine Freigabenut 13 auf. Weiters sitzt am oberen Ende des Führungskörpers 11 eine Aufnahmelasche 14, die an einer Druckfeder 15 angreift.A guide channel 10 is arranged in the cylinder core 2 parallel to the Kerrtstiftothrung 8, which extends through the cylinder core. A guide body 11 is arranged in the guide channel 10 and sits laterally on the core pin 9. The guide body 11 has a release groove 13 on its flank 12 facing away from the key channel. Furthermore, a receiving tab 14, which engages a compression spring 15, is located at the upper end of the guide body 11.
Seitlich des Führungskanals 10 liegt in einer Ausnehmung 16 ein verschiebbares Sperrlement 17, das durch die Feder 18 in Richtung einer Rastausnehmung 19 des Zylindergehäuses vorgespannt ist. Bei der in Fig.l dargestellten uπverdrehten Stellung des Zylinderkerns ist die Rastnase 20 des Sperrelementes 17 in die Rastausnehmung 19 eingerastet.On the side of the guide channel 10, a displaceable locking element 17 is located in a recess 16, which is biased by the spring 18 in the direction of a latching recess 19 of the cylinder housing. When the cylinder core is in the twisted position shown in FIG. 1, the locking lug 20 of the locking element 17 is locked into the locking recess 19.
Das Sperrelement 17 weist an seinem innen liegenden Ende gegenüber jedem Führungskörper 11 einen Abtastzapfen 21 auf, der dimensiαnsπiä- ßig so beschaffen ist, daß er in die Freigabenut 13 eingeschoben werden kann.The locking element 17 has at its inner end opposite each guide body 11 a sensing pin 21, which is of such a size that it can be inserted into the release groove 13.
Die Funktionsweise des ∑tylinderschlosses ist folgende: Beim Einschieben des Schlüssels 5 wird der Kemstift 9 durch den Schlüsselbart 6 gegen den Druck der Feder 15 nach unten in die zuge- ordnete Lage gedrückt. Der Führungskörper 11 wird mit verschoben, wobei beim richtigen Schlüssel die Freigabenut 13 in die dargestellte Lage kommt, sodaß sie der Rastnase 20 des _3perrelementes 17 gegenüber liegt. Beim Verdrehen des Zylinderkerns kann somit das Sper- relement mit seiner Rastnase 20 aus der Rastausnehmung 19 herausgedrückt werden, wobei der Abtastzapfen 21 in die Freigabenut 13 eingeschoben wird. Der Zylinderkern kann somit frei verdreht werden.The operation of the cylinder lock is as follows: When the key 5 is inserted, the key pin 9 is pressed downwards by the key bit 6 against the pressure of the spring 15 into the locked ordered position pressed. The guide body 11 is also moved, with the correct key, the release groove 13 comes into the position shown, so that it is opposite the locking lug 20 of the locking element 17. When the cylinder core is rotated, the locking element with its locking lug 20 can thus be pressed out of the locking recess 19, the scanning pin 21 being pushed into the release groove 13. The cylinder core can thus be freely rotated.
Bei mehrfacher Anordnung von Kernstiften 9 und Führungskörper 11 müssen diese alle die genannte Stellng einnehmen, damit das Sperre- lement 17 in Freigabestellung gelangen kann.If the core pins 9 and the guide body 11 are arranged several times, they must all assume the above-mentioned position so that the locking element 17 can move into the release position.
Wenn ein falscher Schlüssel Verwendung findet, nimmt der Kemstift 9 und der mit ihm verbundene Fuhrungskörper 11 eine andere Lage ein, sodaß der Abtastzapfen 21 an der Flanke 12 des Führungskörpers ansteht, wodurch das Schloß blockiert ist.If an incorrect key is used, the core pin 9 and the guide body 11 connected to it assume a different position, so that the scanning pin 21 abuts against the flank 12 of the guide body, whereby the lock is blocked.
In der Drehebene des Führungskörpers 11 weist das Zylindergehäuse 1 jeweils eine Ringnut 22 auf, die zum Zylinderkern 2 hin offen ist. Die Breite der Ringnut 22 entspricht der Breite des Führungskörpers oder ist größer. Durch die Ringnut 22 werden die jeweiligen Enden des Führungskörpers 11 und des Rsrnstiftes 9 frei gestellt, wodurch einerseits der Hub vergrößert und andererseits beide Bauelemente länger ausgeführt werden können, sodaß die Führung in dem Führungs- kanal und in der Kernstiftbdhrung 8 verbessert ist. Überdies rastet das obere Ende des Führungskörpers 11 in die Ringnut 22 ein, wenn kein Schlüssel eingeschoben ist, wodurch ein Äbziehschutz für den Kern gegeben ist. Der Zylinderkern kann daher nicht mit der bekannten Ziehmethode aufgebrochen werden. Für die bisher genannten Schloßmerkmale kann der Schlüssel 5 jedem passenden herkömmlichen Flachschlüssel entsprechen, wie er für geteilte Zuhaltungsstifte üblich ist. Im vorliegenden Ausführungsbeispiel weist er Längsprofil- nuten 23 und seitliche Profilausnehtπungen 24 auf, die in bekannter Weise durch zusätzliche Abtastelemente 25 abtastbar sind und zusätz- liehe Variatiαnsmöglichkeiten bieten. In Fig. 1 weist das Zylindergehäuse die herköππiliche Gehäuseform mit dan Steg 32 auf. Wie ersichtlich ist, liegen in diesem Steg 32 aber keinerlei Schloßelemente. Damit kann dieser Steg 32 entweder entfallen, wie es für Rundzylinder erforderlich ist, oder es kann auch dieser Raum für zusätzliche Schloß- und Befestigungslemente verwendet werden. Die Anordnung der Ringnuten 22 ist nur beispielsweise und diese können auch entfallen.In the plane of rotation of the guide body 11, the cylinder housing 1 has an annular groove 22, which is open to the cylinder core 2. The width of the annular groove 22 corresponds to the width of the guide body or is larger. The respective ends of the guide body 11 and the rsrnstift 9 are exposed by the annular groove 22, which on the one hand increases the stroke and on the other hand both components can be made longer, so that the guidance in the guide channel and in the core pin bore 8 is improved. In addition, the upper end of the guide body 11 engages in the annular groove 22 when no key is inserted, thereby providing protection against stripping for the core. The cylinder core can therefore not be broken open with the known drawing method. For the lock features mentioned so far, the key 5 can correspond to any suitable conventional flat key, as is customary for shared tumbler pins. In the present exemplary embodiment, it has longitudinal profile grooves 23 and lateral profile recesses 24, which can be scanned in a known manner by additional scanning elements 25 and offer additional possibilities for variation. In Fig. 1, the cylinder housing has the traditional housing shape with dan web 32. As can be seen, there are no lock elements in this web 32. This web 32 can either be omitted, as is required for round cylinders, or this space can also be used for additional lock and fastening elements. The arrangement of the ring grooves 22 is only an example and these can also be omitted.
Die Fig. 2 zeigt abgebrochen einen Schnitt gemäß der Mittellängsebe- ne 7 durch einen Abschnitt des innenseitigen (kupplungsseitigen) Endes des Zylinderkernes und Zylindergehäuses. Der Schlüssel 5 ist vollständig eingeschoben, so daß alle (hier nicht dargestellten) Kernstifte, die den einzelnen Schlüsselkerben 36 zugeordnet sind, derart gestellt sind, daß der Zylinderkern 2 gegenüber dem Zylinder- gehäuse 1 verdreht werden kann. In einer Ebene quer zur Mittellängsebene des Zylinderschlosses ist verschiebbar ein Fangbügel 26 angeordnet, der den Schlüsselkanal 4 an dessen Schmalseite mit einem Rastschenkel 27 übergreift.2 shows a cutaway section along the central longitudinal plane 7 through a section of the inside (clutch-side) end of the cylinder core and cylinder housing. The key 5 is fully inserted, so that all core pins (not shown here) which are assigned to the individual key notches 36 are set in such a way that the cylinder core 2 can be rotated relative to the cylinder housing 1. A catch bracket 26 is slidably arranged in a plane transverse to the central longitudinal plane of the cylinder lock and engages over the key channel 4 on the narrow side thereof with a latching leg 27.
Wie insbesondere der Fig. 4 zu entnehmen ist, liegt das obere Ende des Fangbügels 26 mit seinem Rastschenkel 27 in einer Rastausnehmung 28 des Zylindergehäuses 1. Der Schlüssel 5 weist gegenüberliegend dem Rastschenkel 27 eine Freistellausnehmung 29 auf. Zufolge dieser Freistellausnehmung 29 kann der Zylinderke frei verdreht werden, da beim Verdrehen der Rastscherikel 27 aus der Rastausnehmung 28 herausgedrückt wird und nach unten in die Freistellausnehmung 29 freigestellt ist. Diese Bewegungsmöglichkeit des Fangbügels ist jedoch nur dann gegeben, wenn der Schlüssel zur Gänze eingeschoben wird. Wenn der Schlüssel nicht vollständig eingeschoben ist, kotnπt die Sperrflanke 30 des Schlüssels unter den Rastschenkel 27 zu liegen, so daß der Rastschenkel 27 nicht nach unten geschoben und damit auch der Zylinderkern nicht verdreht werden kann.As can be seen in particular from FIG. 4, the upper end of the catch bracket 26 lies with its latching leg 27 in a latching recess 28 of the cylinder housing 1. The key 5 has a release recess 29 opposite the latching leg 27. As a result of this cut-out recess 29, the cylinder core can be freely rotated, since when the locking plates 27 are rotated it is pressed out of the catch recess 28 and is released downward into the cut-out recess 29. However, this movement of the safety catch is only possible if the key is fully inserted. If the key is not fully inserted, the locking flank 30 of the key may lie under the locking leg 27, so that the locking leg 27 cannot be pushed down and therefore the cylinder core cannot be rotated.
Die maßlichen Gegebenheiten sind etwa so, daß die Gesamttiefe der Freistellausnehmung 29 (Y) gleich ist der Gesamthöhe des Rastschenkels 27. Die Tiefe X der Rastausnehmung 28 entspricht etwa der Tiefe der Freistellausnehmung 29 gegenüber der Sperrflanke 30 zur Schlüsselspitze hin.The dimensional conditions are approximately such that the total depth of the cutout 29 (Y) is equal to the total height of the locking leg 27. The depth X of the locking recess 28 corresponds approximately to the depth the cutout 29 opposite the locking flank 30 towards the key tip.
Wie der Fig. 2 zu entaehmen ist, bildet die Lage der Sperrflanke 30 gegenüber dem Schlüsselrücken 31 eine Absenkung. Diese Absenkung ermöglicht das Durchschieben der Schlüsselspitze unter den Rastschenkel 27. Die Absenkung bewirkt auch ein weiteres Sicherheitsmerkmal des Schlüssels, da herkömmliche Flachschlüssel ohne derartige Absenkungen nicht in den Schlüsselkanal zur Gänze eingeschoben werden können.As can be seen in FIG. 2, the position of the locking flank 30 forms a lowering relative to the key back 31. This lowering enables the key tip to be pushed under the locking leg 27. The lowering also brings about a further security feature of the key, since conventional flat keys cannot be fully inserted into the key channel without such lowering.
Die Wirkung der Vorrichtung ist dadurch gegeben, daß die Sperrflanke 30 kurz vor dem völligen Einschieben des Schlüssels in den Schlüsselkanal den Rastschenkel 27 untergreift und verhindert, daß der Zy- linderkern frühzeitig verdreht wird. Damit entfällt auch die seitliche Belastung der Kernstifte, die somit von jeder Drehbewegung entlastet werden, da die Drehung erst dann ermöglicht wird, wenn der Schlüssel vollständig eingeschoben ist.The effect of the device is given by the fact that the locking flank 30 engages under the locking leg 27 shortly before the key is completely inserted into the key channel and prevents the cylinder core from being rotated prematurely. This also eliminates the lateral load on the core pins, which are relieved of any rotary movement, since the rotation is only possible when the key is fully inserted.
In verdrehter Stellung gemäß Fig. 3 bei vollständig eingeschcbenem Schlüssel hält der Rastschenkel 27 den Schlüssel fest in seiner Stellung, so daß er nicht abgezogen werden kann.In the rotated position shown in FIG. 3 with the key fully inserted, the locking leg 27 holds the key firmly in place so that it cannot be removed.
Wie der Fig. 4 zu entnehmen ist, besteht der Fangbügel 26 aus einem Fühinjngsschenkel 33, der in einer Auf ahrebchrung 34 unter Druck der Feder 35 gelagert ist.As can be seen in FIG. 4, the safety catch 26 consists of a Fühinjngsschenkel 33, which is mounted in a 34 on ahrebchrung under pressure of the spring 35.
Die Außenfläche 39 des Rastschenkels 27, die an der Rastausnehmung 28 anliegt, ist so breit ausgeführt, daß der Rastschenkel 27 in kei- ne der anderen Rastausnehmungen 19 einrasten kann, um Hemπungen beim Verdrehen des Zylinderkernes zu vermeiden.The outer surface 39 of the locking leg 27, which rests on the locking recess 28, is made so wide that the locking leg 27 cannot snap into any of the other locking recesses 19 in order to avoid jamming when the cylinder core is rotated.
Wie der Fig. 2 weiters zu entnehmen ist, befindet sich die Lage des Fangbügels 26 vorzugsweise vor der ersten Schlüsselkerbe 36 von der Schlüsselspitze her gesehen.As can also be seen in FIG. 2, the position of the safety catch 26 is preferably seen in front of the first key notch 36 from the key tip.
Der Abstand Z ist aber grundsätzlich variabel, sodaß der Eangbügel auch weiter von der Schlüsselspitze entfernt liegen kann.The distance Z is fundamentally variable, so that the catch bracket can also be further away from the tip of the key.
Der Abstand Z von der Schlüsselspitze kann variiert werden, wodurch die Variationszahl erhöht wird, was einen weiteren Vorteil der Erfindung bedeutet.The distance Z from the key tip can be varied, which increases the number of variations, which means a further advantage of the invention.
In den Fig. 2 bis 5 sind im Schloß der Rastbügel 27 und am Schlüsselrücken 38 die Freistellausnehmung 29 derart quer ausgebildet, daß sie senkrecht zur Mittellängsachse 7 stehen. Die Anordnung kann aber in vorteilhafter Weise auch schräg sein, wie den Fig. 6 und 7 zu entnehmen ist.2 to 5 in the lock of the latching bracket 27 and on the key spine 38 the cutout 29 are formed transversely such that they are perpendicular to the central longitudinal axis 7. However, the arrangement can advantageously also be inclined, as can be seen in FIGS. 6 and 7.
Fig. 5 zeigt die Anordnung des Fangbügels 26 mit Blick auf den Zy- linderkern von oben. Die Kernstiftbdhrungen 8 sind schematisch ohne die darin befindlichen Kernstifte eingezeichnet. Durch den Schlitz 37 wird im Zylinderkern der erforderliche Bewegungsraum für den Rastschenkel 27 gewährleistet, wie auch Fig. 4 zu entnehmen ist.5 shows the arrangement of the catch bracket 26 with a view of the cylinder core from above. The core pin holes 8 are shown schematically without the core pins located therein. The required movement space for the locking leg 27 is ensured by the slot 37 in the cylinder core, as can also be seen in FIG. 4.
Die Anordnung des Fai-gbügels und die Ausbildung des Schlüssels sind in weitem Ausmaß unabhängig von der übrigen Schlαßkαnstruktiσn.The arrangement of the handle and the design of the key are largely independent of the other key structures.
Gemäß Fig. 6 kann das Zylinderschloß dadurch variiert werden, daß der Rastschenkel 27 des Fangbügels 26 schräg zur Mittellängsebene 7 des Schlosses liegt. Demzufolge ist hier auch der Schlitz 37 des Zylinderkernes schräg angeordnet. Der Winkel zur Senkrechten ist etwas erhöht eingezeichnet und wird in der Praxis etwa bei 30° liegen. Dementsprechend ist am Schlüsselrücken 38 gemäß Fig. 7 auch die Freistellausnehmung 29 schräg angeordnet, was zur Erhöhung der Vari- atiσnszahl und der Nachsperrsicherheit dient.6, the cylinder lock can be varied in that the locking leg 27 of the catch bracket 26 lies obliquely to the central longitudinal plane 7 of the lock. Accordingly, the slot 37 of the cylinder core is also arranged obliquely here. The angle to the vertical is drawn somewhat higher and will be around 30 ° in practice. Accordingly, the cut-out recess 29 is also arranged obliquely on the spine of the key 38 according to FIG. 7, which serves to increase the number of variations and the locking safety.
Alternativ kann im Schloß die senkrechte Anordnung des Rastschenkels 27 gemäß Fig. 2 auch kombiniert werden mit der schrägen Anordnung der Fireistellausnehmung 29 am Schlüsselrücken, indem am Rastschenkel 27 eine schräge Rippe angeordnet wird, die die schräge Freistellausnehmung abtastet. Alternatively, the vertical arrangement of the locking leg 27 according to FIG. 2 can also be combined in the lock with the oblique arrangement of the fire recess 29 on the back of the key, by arranging an oblique rib on the locking leg 27 which scans the oblique clearance recess.

Claims

PATENTANSPRÜCHE
1. Zylinderschloß mit Zylindergehäuse und darin verdrehbarem Zylinderkern, der einen Schlüsselkanal für einen Flachschlüssel und Ab- tastele ente für Steuerflächen des Schlüssels sowie Sperrelemente aufweist, die den Zylinderkern gegen Verdrehen blockieren oder freigeben, dadurch gekennzeichnet, daß im Zylinderkern (2) in einer Ebene quer zur Mittellängsebene (7) des Zylinderschlosses ein verschiebbarer Fangbügel (26) angeordnet ist, der den Schlüsselkanal (4) an einer Schmalseite mit einem Rastschenkel (27) übergreift, wobei der Rastschenkel durch Steuerflächen des Schlüssels (5) und Federkraft (35) zwischen Sperrstellung und Freigabesteilung bewegbar ist und bei voll eingeschobenem Flachschlüssel einer Freistellausnehmung (29) des Schlüssels gegenüberliegt und bei nicht voll einge- schobenem Schlüssel durch eine Sperrflanke (30) des Schlüssels in Sperrstellung in einer Rastausnehmung (28) des Zylindergehäuses gehalten ist.1. Cylinder lock with cylinder housing and cylinder core which can be rotated therein, which has a key channel for a flat key and scanning key for control surfaces of the key and locking elements which block or release the cylinder core against rotation, characterized in that in the cylinder core (2) in one plane A displaceable catch bracket (26) is arranged transversely to the central longitudinal plane (7) of the cylinder lock and engages over the key channel (4) on one narrow side with a locking leg (27), the locking leg between the control surfaces of the key (5) and spring force (35) Locking position and release division is movable and is opposite a cutout recess (29) of the key when the flat key is fully inserted and is held in a locking recess (28) of the cylinder housing in the locking position by a locking edge (30) of the key when the key is not fully inserted.
2. Zylinderschloß nach Anspruch 1, dadurch gekennzeichnet, daß der Fangbügel (26) einen in einer Aufnahmebdhrung (34) des Zylinderkernes verschiebbar angeordneten Führungsscherikel (33) und daran seitlich abstehend den Rastschenkel (27) aufweist.2. Cylinder lock according to claim 1, characterized in that the catch bracket (26) in a receiving bore (34) of the cylinder core slidably arranged guide plate (33) and laterally projecting the locking leg (27).
3. Zylinderschloß nach den Ansprüchen 1 und 2, dadurch gekennzeich- net, daß der Fangbügel (26) in einer Ebene, angeordnet ist, deren3. Cylinder lock according to claims 1 and 2, characterized in that the catch bracket (26) is arranged in one plane, the
Abstand (Z) vom inneren Ende des Zylinderschlosses variabel ist, wobei die Ebene in bevorzugter Weise vor dem ersten Ke stift liegt.Distance (Z) from the inner end of the cylinder lock is variable, the plane preferably being in front of the first pin.
4. Zyli-nderschloß nach den Ansprüchen 1 bis 3, dadurch gekennzeich- net, daß im Zylinderkern (2) ein Schlitz (37) zur Führung und Verschiebbarkeit des Fangbügels (26) angeordnet ist.4. cylinder lock according to claims 1 to 3, characterized in that in the cylinder core (2) a slot (37) for guiding and displaceability of the catch bracket (26) is arranged.
5. Zylinderschloß nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, daß der Rastschenkel (27) in einem Winkel zur Senkrechten auf die Mittellängsebene (7) angeordnet ist (Fig. 6) . 5. Cylinder lock according to one of claims 1 to 4, characterized in that the latching leg (27) is arranged at an angle to the perpendicular to the central longitudinal plane (7) (Fig. 6).
6. Zylinderschloß nach Anspruch 5, dadurch gekennzeichnet, daß der Winkel etwa 30° beträgt.6. Cylinder lock according to claim 5, characterized in that the angle is approximately 30 °.
7. Zylinderschieß nach einem der Ansprüche 1 bis 4, dadurch gekenn- zeichnet, daß der Rastschenkel (27) senkrecht auf die Mittellängsebene steht und eine dazu schräge Rippe aufweist, die in eine schräge Freistellausnehmung (29) des Schlüssels eingreift.7. Cylinder shooting according to one of claims 1 to 4, characterized in that the locking leg (27) is perpendicular to the central longitudinal plane and has an inclined rib which engages in an oblique cutout (29) of the key.
8. Flachschlüssel für ein Zylinderschloß nach einem der Ansprüche 1 bis 7, wobei der Schlüssel Variationselemente, wie Schlüsselkerben und/oder Lngsprofilnuten und seitliche Profilausnehmungen aufweist, dadurch gekennzeichnet, daß der Schlüssel am Rücken (38) eine Freistellausnehmung (29) und daran anschließend eine in Richtung zur Schlüsselspitze weisende Sperrflanke (30) aufweist.8. Flat key for a cylinder lock according to one of claims 1 to 7, wherein the key has variation elements, such as key notches and / or Lngsprofilnuten and lateral profile recesses, characterized in that the key on the back (38) has a cutout (29) and then one has in the direction of the key tip blocking edge (30).
9. Flachschlüssel nach Anspruch 8, dadurch gekennzeichnet, daß die Tiefe (Y) der Freistellausnehmung (29) vom Schlüsselrücken her der Höhe des Rastschenkels (27) entspricht und die Hohe (X) der Freistellausnehmung (29) von der Sperrflanke (30) her kleiner (Y) ist.9. Flat key according to claim 8, characterized in that the depth (Y) of the cutout (29) from the back of the key corresponds to the height of the locking leg (27) and the height (X) of the cutout (29) from the locking flank (30) is smaller (Y).
10. Flachschlüssel nach Anspruch 8 oder 9, dadurch gekennzeichnet, daß die Lage der Freistellausnehmung (29) von der Schlüsselspitze her gesehen variabel ist, bevorzugt vor der ersten Schlüsselkerbe10. Flat key according to claim 8 or 9, characterized in that the position of the cutout (29) seen from the key tip is variable, preferably before the first key notch
(36).(36).
11. Flachschlüssel nach einem der Ansprüche 8 bis 10, dadurch gekennzeichnet, daß die Freistellausnehmung (29) am Schlüsselrücken (38) schräg angeordnet ist (Fig. 7) . 11. Flat key according to one of claims 8 to 10, characterized in that the cutout (29) on the key back (38) is arranged obliquely (Fig. 7).
EP02715465A 2001-02-15 2002-01-23 Cylinder lock with a cylinder housing and flange key for a cylinder lock Expired - Lifetime EP1272720B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SI200230620T SI1272720T1 (en) 2001-02-15 2002-01-23 Cylinder lock with a cylinder housing and flange key for a cylinder lock

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
AT2392001 2001-02-15
AT0023901A AT410818B (en) 2001-02-15 2001-02-15 CYLINDER LOCK WITH CYLINDER CASE AND FLAT KEY FOR A CYLINDLE LOCK
PCT/EP2002/000627 WO2002064921A1 (en) 2001-02-15 2002-01-23 Cylinder lock with a cylinder housing and flange key for a cylinder lock

Publications (2)

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EP1272720A1 true EP1272720A1 (en) 2003-01-08
EP1272720B1 EP1272720B1 (en) 2007-08-01

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JP (1) JP3984168B2 (en)
AT (2) AT410818B (en)
AU (1) AU2002225035B2 (en)
CZ (1) CZ294916B6 (en)
DE (2) DE20105519U1 (en)
DK (1) DK1272720T3 (en)
ES (1) ES2288186T3 (en)
GB (1) GB2372284B (en)
HK (1) HK1045865B (en)
HR (1) HRP20020818B1 (en)
HU (1) HU225255B1 (en)
IE (1) IES20010344A2 (en)
NL (1) NL1017686C1 (en)
NO (1) NO333389B1 (en)
PL (1) PL198114B1 (en)
PT (1) PT1272720E (en)
SK (1) SK284924B6 (en)
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PL356741A1 (en) 2004-06-28
ATE368783T1 (en) 2007-08-15
DE50210580D1 (en) 2007-09-13
HK1045865B (en) 2005-12-16
AU2002225035B2 (en) 2004-11-18
AT410818B (en) 2003-08-25
CZ20023336A3 (en) 2003-02-12
WO2002064921A1 (en) 2002-08-22
ATA2392001A (en) 2002-12-15
HU225255B1 (en) 2006-08-28
JP3984168B2 (en) 2007-10-03
GB2372284A (en) 2002-08-21
GB0108450D0 (en) 2001-05-23
EP1272720B1 (en) 2007-08-01
CZ294916B6 (en) 2005-04-13
NO20024962D0 (en) 2002-10-15
SK284924B6 (en) 2006-02-02
PT1272720E (en) 2007-11-05
NL1017686C1 (en) 2002-08-16
DK1272720T3 (en) 2007-09-17
SK14702002A3 (en) 2003-10-07
HK1045865A1 (en) 2002-12-13
JP2004518045A (en) 2004-06-17
NO333389B1 (en) 2013-05-21
GB2372284B (en) 2005-06-08
PL198114B1 (en) 2008-05-30
HRP20020818B1 (en) 2009-04-30
HUP0300051A2 (en) 2003-06-28
IES20010344A2 (en) 2001-10-31
NO20024962L (en) 2002-10-15
HRP20020818A2 (en) 2004-12-31
WO2002064921A8 (en) 2003-10-30
DE20105519U1 (en) 2001-06-13
ES2288186T3 (en) 2008-01-01

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