EP1252408A1 - Rotary locking cylinder for a safety lock - Google Patents

Rotary locking cylinder for a safety lock

Info

Publication number
EP1252408A1
EP1252408A1 EP01900020A EP01900020A EP1252408A1 EP 1252408 A1 EP1252408 A1 EP 1252408A1 EP 01900020 A EP01900020 A EP 01900020A EP 01900020 A EP01900020 A EP 01900020A EP 1252408 A1 EP1252408 A1 EP 1252408A1
Authority
EP
European Patent Office
Prior art keywords
key
extension element
rotary lock
lock cylinder
extension
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
EP01900020A
Other languages
German (de)
French (fr)
Other versions
EP1252408B1 (en
Inventor
Ernst Keller
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of EP1252408A1 publication Critical patent/EP1252408A1/en
Application granted granted Critical
Publication of EP1252408B1 publication Critical patent/EP1252408B1/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
    • E05B17/00—Accessories in connection with locks
    • E05B17/04—Devices for coupling the turning cylinder of a single or a double cylinder lock with the bolt operating member
    • E05B17/047—Devices for coupling the turning cylinder of a single or a double cylinder lock with the bolt operating member with rotating output elements forming part of cylinder locks, e.g. locking cams of double cylinder locks
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B9/00—Lock casings or latch-mechanism casings ; Fastening locks or fasteners or parts thereof to the wing
    • E05B9/04—Casings of cylinder locks
    • E05B9/045—Modular casings for adjusting the length of cylinder locks
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B15/00—Other details of locks; Parts for engagement by bolts of fastening devices
    • E05B15/16—Use of special materials for parts of locks
    • E05B15/1614—Use of special materials for parts of locks of hard materials, to prevent drilling
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T70/00—Locks
    • Y10T70/70—Operating mechanism
    • Y10T70/7441—Key
    • Y10T70/7486—Single key
    • Y10T70/7508—Tumbler type
    • Y10T70/7559—Cylinder type
    • Y10T70/7667—Operating elements, parts and adjuncts
    • Y10T70/7684—Plug
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T70/00—Locks
    • Y10T70/70—Operating mechanism
    • Y10T70/7441—Key
    • Y10T70/7486—Single key
    • Y10T70/7508—Tumbler type
    • Y10T70/7559—Cylinder type
    • Y10T70/7667—Operating elements, parts and adjuncts
    • Y10T70/7706—Operating connections
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T70/00—Locks
    • Y10T70/70—Operating mechanism
    • Y10T70/7441—Key
    • Y10T70/7486—Single key
    • Y10T70/7508—Tumbler type
    • Y10T70/7559—Cylinder type
    • Y10T70/7667—Operating elements, parts and adjuncts
    • Y10T70/7706—Operating connections
    • Y10T70/7712—Rollbacks
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T70/00—Locks
    • Y10T70/70—Operating mechanism
    • Y10T70/7441—Key
    • Y10T70/778—Operating elements
    • Y10T70/7791—Keys
    • Y10T70/7881—Bitting
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T70/00—Locks
    • Y10T70/70—Operating mechanism
    • Y10T70/7441—Key
    • Y10T70/7915—Tampering prevention or attack defeating
    • Y10T70/7921—Armoring
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T70/00—Locks
    • Y10T70/80—Parts, attachments, accessories and adjuncts
    • Y10T70/8432—For key-operated mechanism
    • Y10T70/8595—Key guides, internal
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T70/00—Locks
    • Y10T70/80—Parts, attachments, accessories and adjuncts
    • Y10T70/8838—Adjustment provisions

Definitions

  • the invention relates to a rotary lock cylinder for a security lock, with a housing and at least one rotor having a key channel, with ' tumblers which are to be classified with an associated key for enabling the rotor to rotate, with a driver and with at least one extension element attached to the effective part of the rotary lock cylinder ,
  • Rotary lock cylinders of this type are generally known. These can be double locking cylinders or simple cylinders. Double locking cylinders can be operated from both sides, while simple rotating locking cylinders can only be operated from one side. Such rotary lock cylinders can be manufactured with very high locking security and are particularly suitable for the construction of locking systems.
  • extension elements are built on both sides of the driver and thus become the effective part moved outwards in both directions away from the driver.
  • the effective part is the part that is provided with tumblers.
  • the extension elements on the other hand, have no tumblers and are therefore not effective for locking.
  • the associated keys do not have to be changed in the case of such an extension. The keys therefore always have the same length regardless of the length of the locking cylinder.
  • the inventor has set himself the task of creating a rotary lock cylinder of the type mentioned, which is further improved in terms of security technology and which is nevertheless inexpensive to manufacture.
  • the object is achieved in a generic rotary lock cylinder in that the extension element is attached to the outside of the effective part at a distance from the driver and in that the key shaft is essentially extended in accordance with the length of this extension element.
  • the extension element In the known rotary lock cylinders, even after the construction of an extension element, the effective part always sits extremely on the attack side. In contrast, in the rotary lock cylinder according to the invention, the effective part sits on the protected side in terms of safety. If, for example, an attempt is made to drill out the rotary lock cylinder, the extension element must first be drilled through. To effectively prevent this, it is easily possible to attach the extension element to the design the handle side so that it cannot be pierced.
  • a significant advantage of the rotary lock cylinder according to the invention is also seen in the fact that a modular system can be built up with the extension elements.
  • the extension elements have different lengths. Simply because of the different key shafts, these can be structured hierarchically.
  • the rotatable inserts of the extension elements can also be profiled.
  • the key shafts of the assigned keys are profiled accordingly. Compared to the known profiling of rotors, this means a significant rationalization.
  • the profile of the key and the length of the non-effective part of the key can thus additionally be varied in the rotary locking cylinder according to the invention. The number of closings and thus the security of the lock can thus be increased with comparatively low additional costs.
  • the effective part of the rotary lock cylinder is formed by a short cylinder.
  • This short cylinder is preferably designed as a safety device.
  • the length of this short cylinder is dimensioned so that it can be installed in a lock case without protruding from the side.
  • the effective part of the rotary lock cylinder is thus protected in the lock and can be covered by an extension element at least on the attack side. If the extension element is partially or completely made of hardened steel, for example, there is very high protection against attack, since the effective part is protected by the extension element.
  • the invention also relates to a modular system with several rotary lock cylinders according to the invention and a key for such a rotary lock cylinder.
  • a key according to the invention there is the advantage that it can be profiled with little effort and thus makes unauthorized copying difficult.
  • FIG. 1 shows a section through a rotary lock cylinder according to the invention
  • FIG. 2 shows a view of a short cylinder without extension elements
  • FIG. 3 shows a further view of the short cylinder according to FIG. 2,
  • FIG. 4 shows a section along the line IV-IV
  • FIG. 5 shows a view of the cylinder according to the invention, individual parts being pulled apart
  • the rotary lock cylinder 1 shown in FIG. 1 is a double rotary lock cylinder and has an effective part 2 and an extension element 3 and 3 '.
  • the effective part 2 consists of a housing 5, in which a plurality of slides 30 for tumbler pins, not shown, are used in a manner known per se.
  • a driver 6 is mounted in the housing and can be rotated to activate the lock after a rotor 8 has been released.
  • the rotor 8 can be a continuous rotor or it can also consist of two rotor parts in the usual manner.
  • the rotor 8 is axially secured in the housing 5 by means of a locking ring 31.
  • the extension elements 3 and 3 'each have a housing 14 or 14' that can be of different lengths.
  • a bore 12 or 12 ' is machined into each housing 14 or 14', in each of which a rotatable insert 9 or 9 'is inserted from the rear.
  • a radially projecting collar 10 of the insert 9 or 9 ' is mounted in a corresponding recess 13 or 13' of the rear 24 or 24 'of the housing 14 or 14'.
  • a protruding projection 15 or 15 ' is formed, which engages in a corresponding recess 25 of the housing 5, as shown in FIG. 1.
  • the lugs 15 and 15' have a transverse bore 16 through which a pin 26 (FIG. 1) is inserted. This pin connects a housing 14 and 14 'to the housing 5.
  • the extension elements 3 and 3' are thus firmly connected to the housing part 5.
  • a channel 11 or 11 ' is incorporated into each insert 9 or 9', which is intended for receiving an extension area 21 of a key 17 with a handle 18 and shaft 19.
  • This channel 11 or 11 ' is continuous and leads into a corresponding channel 27 (FIG. 3) of the rotor 8.
  • the channels 11 are preferably profiled according to FIGS. 6a to 6d and have inwardly projecting ribs 28 which correspond to grooves 22 of the key 17 are formed.
  • a key 17 can therefore only be completely inserted into the channels 11 or 11 '. be performed when the extension region 21 has a profile 22 corresponding to the ribs 28.
  • the profiling 28 can be designed differently, as clearly shown in FIGS. 6a to 6d. Such different profiles 28 allow a hierarchical structure of many keys 17 to 17 '''of a locking system, as is also shown in FIGS. 6a to 6d.
  • the extension elements 3 and 3 'each have a certain length A and A', which are determined by the distance between the inside 24 and an outside 29.
  • This length A or A ' corresponds essentially to the length B of the extension region 21 shown in FIGS. 6a and 6d.
  • the lengths A and correspondingly the lengths B can be different in a locking system and a modular system, as can be seen in FIGS. 6a to 6d ,
  • FIGS. 6a to 6d merely show examples of a possible profiling of a key 17.
  • the grooves 22 can be varied with regard to their position and their depth as well as the cross section. A large number of such profiles are known to the person skilled in the art.
  • An embodiment is also conceivable in which the key 17 is not profiled in the extension area 21.
  • the extension area 21 can also be varied in cross-section without profiling. For example, the area 21 can be different for different keys be wide.
  • the channels 11 of the associated rotary lock cylinders 1 are of different widths.
  • the grooves 22 can also extend over the shaft region 19. The area 19 can thus also be profiled.
  • Figures 6a to 6d show keys 17 to 17 '''of a locking system. These keys 17 to 17 '''differ at least in the length of the extension region 21. These different lengths are designated B' to B '' 1 in FIGS. 6a to 6d. If a rotary lock cylinder now has an extension element 3, in which the length A is substantially equal to the length B, this rotary lock cylinder can be conditioned with all keys 17 to 17 '''. If, however, the extension element 3 has a length A which corresponds to the length B ' 1 , this rotary lock cylinder cannot be operated with the key 17 (FIG. 6a). However, this rotary lock cylinder can be operated with the keys 17 'to 17'''.
  • FIG. 1 shows a rotary lock cylinder 1 in which the effective part 2 is preferably a short cylinder.
  • the length D of this short cylinder 2 is substantially smaller than that of a conventional double rotary lock cylinder and corresponds essentially to the strength of a conventional lock case.
  • the short cylinder 2 or the effective part is extended at both ends with an extension element 3 or 3 '.
  • the rotor 8 of the effective part 2 is preferably continuous.
  • the key 17 is inserted into the rotary lock cylinder 1 from the left side thereof. This key 17 can also be used to classify the tumblers not shown here from the other side.
  • the extension elements 9 'to 9''' can each be composed of several shorter elements. These elements have a thickness of 5, 10 or 15 mm, for example, and are strung together. With a few units, very different lengths can be achieved. This simplifies storage and the manufacturing costs can be kept low. Since the short cylinder 2 already ensures a high level of locking security, the extension elements 9 'to 9 1 ' 1 can be made of an inexpensive material, such as zinc, plastic or brass.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Lock And Its Accessories (AREA)
  • Centrifugal Separators (AREA)
  • Fluid-Damping Devices (AREA)
  • Chairs Characterized By Structure (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Pens And Brushes (AREA)
  • Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)
  • Burglar Alarm Systems (AREA)

Abstract

The rotary locking cylinder comprises a housing (5) and at least one rotor (8) provided with a key channel (27). Tumblers are provided in order to rotationally release the armature (8) with a key (17) associated therewith. A driver (6) is provided with at least one extension element (3) on the active part (2) of the rotary cylinder. Said extension element comprises a housing (24) and a rotatable insert (9). At least one extension element (3) is arranged on an outer side on the active part (2) at a distance from the driver (6). The key shank is extended in a manner which corresponds substantially to the length (A) of the extension element (3). Preferably, the rotatable insert (9) of the extension element (3) is profiled.

Description

Drehschliesszylinder für ein Sicher eitsschloss Rotary lock cylinder for a security lock
Die Erfindung betrifft einen Drehschliesszylinder für ein Sicherheitsschloss, mit einem Gehäuse und wenigstens einem einen Schlüsselkanal aufweisenden Rotor, mit' Zuhaltungen, die zur Drehfreigabe des Rotors mit einem zugehörigen Schlüssel einzuordnen sind, mit einem Mitnehmer und mit wenigstens einem am wirksamen Teil des Drehschliesszylinders angebrachten Verlängerungselement .The invention relates to a rotary lock cylinder for a security lock, with a housing and at least one rotor having a key channel, with ' tumblers which are to be classified with an associated key for enabling the rotor to rotate, with a driver and with at least one extension element attached to the effective part of the rotary lock cylinder ,
Drehschliesszylinder dieser Art sind allgemein bekannt. Diese können Doppelschliesszylinder oder einfache Zylinder sein. Dop- pelschliesszylinder sind von beiden Seiten bedienbar, während einfache Drehschliesszylinder lediglich von einer Seite bedienbar sind. Solche Drehschliesszylinder können mit sehr hoher Schliessicherheit hergestellt werden und eignen sich besonders für den Aufbau von Schliessanlagen.Rotary lock cylinders of this type are generally known. These can be double locking cylinders or simple cylinders. Double locking cylinders can be operated from both sides, while simple rotating locking cylinders can only be operated from one side. Such rotary lock cylinders can be manufactured with very high locking security and are particularly suitable for the construction of locking systems.
Zur Anpassung an unterschiedliche Stärken von beispielsweise Türen und Fenstern ist es bekannt, den wirksamen Teil des Drehschliesszylinders durch den Anbau von Verlängerungselementen zu verlängern. Hierbei werden die Verlängerungselemente auf beiden Seiten des Mitnehmers aufgebaut und damit wird der wirksame Teil vom Mitnehmer weg in beiden Richtungen nach aussen verschoben. Der wirksame Teil ist derjenige Teil, der mit Zuhaltungen versehen ist. Die Verlängerungselemente hingegen weisen keine Zuhaltungen auf und sind somit nicht schliesswirksam. Die zugehörigen Schlüssel müssen bei einer solchen Verlängerung nicht geändert werden. Die Schlüssel haben somit unabhängig von der Länge des Schliesszylinders immer die gleiche Länge.To adapt to different thicknesses of, for example, doors and windows, it is known to extend the effective part of the rotary lock cylinder by attaching extension elements. Here, the extension elements are built on both sides of the driver and thus become the effective part moved outwards in both directions away from the driver. The effective part is the part that is provided with tumblers. The extension elements, on the other hand, have no tumblers and are therefore not effective for locking. The associated keys do not have to be changed in the case of such an extension. The keys therefore always have the same length regardless of the length of the locking cylinder.
Der Erfinder hat sich die Aufgabe gestellt, einen Drehschliesszylinder der genannten Gattung zu schaffen, der sicherheitstechnisch noch weiter verbessert ist und der dennoch kostengünstig herstellbar ist.The inventor has set himself the task of creating a rotary lock cylinder of the type mentioned, which is further improved in terms of security technology and which is nevertheless inexpensive to manufacture.
Die Aufgabe ist bei einem gattungsgemässen Drehschliesszylinder dadurch gelöst, dass das Verlängerungselement im Abstand zum Mitnehmer aussenseitig am wirksamen Teil angebracht ist und dass der Schlüsselschaft im wesentlichen entsprechend der Länge dieses Verlängerungselementes verlängert ist. Bei den bekannten Drehschliesszylindern sitzt auch nach dem Aufbau eines Verlängerungselementes der wirksame Teil immer zuäusserst auf der An- griffseite. Beim erfindungsgemässen Drehschliesszylinder hingegen sitzt der wirksame Teil sicherheitstechnisch auf der geschützten Seite. Wird beispielsweise versucht, den Drehschliesszylinder aufzubohren, so uss zuerst das Verlängerungselement durchbohrt werden. Um dies wirksam zu verhindern, ist es ohne weiteres möglich, das Verlängerungselement auf der An- griffsseite so auszubilden, dass es nicht durchbohrt werden kann. Bei einem Versuch, den Drehschliesszylinder am vorstehenden Ende abzudrehen oder abzuwürgen, wird lediglich das Verlängerungselement, nicht aber der wirksame Teil wesentlich beschädigt. Auch ein Abscheren eines vorstehenden Endes mittels eines Meisseis führt nicht zur gewünschten Drehfreigabe, da auch hier der wirksame Teil nicht betroffen ist.The object is achieved in a generic rotary lock cylinder in that the extension element is attached to the outside of the effective part at a distance from the driver and in that the key shaft is essentially extended in accordance with the length of this extension element. In the known rotary lock cylinders, even after the construction of an extension element, the effective part always sits extremely on the attack side. In contrast, in the rotary lock cylinder according to the invention, the effective part sits on the protected side in terms of safety. If, for example, an attempt is made to drill out the rotary lock cylinder, the extension element must first be drilled through. To effectively prevent this, it is easily possible to attach the extension element to the design the handle side so that it cannot be pierced. If an attempt is made to twist off or stall the rotary locking cylinder at the protruding end, only the extension element is damaged, but not the effective part. Even shearing off a protruding end using a ice cream does not lead to the desired rotation release, since the effective part is not affected here either.
Ein wesentlicher Vorteil des erfindungsgemässen Drehschliesszy- linders wird auch dahin gesehen, dass mit den Verlängerungselementen ein Baukastensystem aufgebaut werden kann. Bei einem solchen Baukastensystem sind die Verlängerungselemente unterschiedlich lang. Allein aufgrund der unterschiedlichen Schlüsselschäf- te können diese hierarchisch aufgebaut werden. Die drehbaren Einsätze der Verlängerungselemente können zudem profiliert werden. Entsprechend werden die Schlüsselschäfte der zugeordneten Schlüssel profiliert. Verglichen mit der bekannten Profilierung von Rotoren bedeutet dies eine wesentliche Rationalisierung. Für den Aufbau einer Schliessanlage können beim erfindungsgemässen Drehschliesszylinder somit zusätzlich noch das Profil des Schlüssels und die Länge des nichtwirksamen Teils des Schlüssels variiert werden. Die Anzahl der Schliessungen und damit die Schliessicherheit können damit mit vergleichsweise geringen Mehrkosten erhöht werden. Nach einer Weiterbildung der Erfindung ist der wirksame Teil des Drehschliesszylinders durch einen Kurzzylinder gebildet. Dieser Kurzzylinder ist vorzugsweise als Einbausicherung ausgebildet. Die Länge dieses Kurzzylinders ist so bemessen, dass er als Einbausicherung ohne seitlich vorzustehen in einen Schlosskasten eingebaut werden kann. Der wirksame Teil des Drehschliesszylinders sitzt damit geschützt im Schloss und ist zumindest auf der Angriffsseite von einem Verlängerungselement abdeckbar. Ist das Verlängerungselement teilweise oder vollständig beispielsweise aus gehärtetem Stahl hergestellt, so besteht ein sehr hoher Schutz gegen einen Angriff, da der wirksame Teil durch das Verlängerungselement geschützt ist.A significant advantage of the rotary lock cylinder according to the invention is also seen in the fact that a modular system can be built up with the extension elements. In such a modular system, the extension elements have different lengths. Simply because of the different key shafts, these can be structured hierarchically. The rotatable inserts of the extension elements can also be profiled. The key shafts of the assigned keys are profiled accordingly. Compared to the known profiling of rotors, this means a significant rationalization. For the construction of a locking system, the profile of the key and the length of the non-effective part of the key can thus additionally be varied in the rotary locking cylinder according to the invention. The number of closings and thus the security of the lock can thus be increased with comparatively low additional costs. According to a development of the invention, the effective part of the rotary lock cylinder is formed by a short cylinder. This short cylinder is preferably designed as a safety device. The length of this short cylinder is dimensioned so that it can be installed in a lock case without protruding from the side. The effective part of the rotary lock cylinder is thus protected in the lock and can be covered by an extension element at least on the attack side. If the extension element is partially or completely made of hardened steel, for example, there is very high protection against attack, since the effective part is protected by the extension element.
Die Erfindung betrifft zudem ein Baukastensystem mit mehreren erfindungsgemässen Drehschliesszylindern sowie einen Schlüssel für einen solchen Drehschliesszylinder. Bei einem erfindungsgemässen Schlüssel besteht der Vorteil, dass er ohne grossen Aufwand profiliert werden kann und damit ein unberechtigtes Kopieren erschwert wird.The invention also relates to a modular system with several rotary lock cylinders according to the invention and a key for such a rotary lock cylinder. With a key according to the invention, there is the advantage that it can be profiled with little effort and thus makes unauthorized copying difficult.
Weitere vorteilhafte Merkmale ergeben sich aus den abhängigen Patentansprüchen, der nachfolgenden Beschreibung sowie der Zeichnung.Further advantageous features result from the dependent claims, the following description and the drawing.
Ein Ausführungsbeispiel der Erfindung wird nachfolgend anhand der Zeichnung näher erläutert. Es zeigen: Figur 1 ein Schnitt durch einen erfindungsgemässen Drehschliesszylinder,An embodiment of the invention is explained below with reference to the drawing. Show it: FIG. 1 shows a section through a rotary lock cylinder according to the invention,
Figur 2 eine Ansicht eines Kurzzylinders ohne Verlängerungselemente,FIG. 2 shows a view of a short cylinder without extension elements,
Figur 3 eine weitere Ansicht des Kurzzylinders nach Fig. 2,FIG. 3 shows a further view of the short cylinder according to FIG. 2,
Figur 4 ein Schnitt entlang der Linie IV-IV,FIG. 4 shows a section along the line IV-IV,
Figur 5 eine Ansicht des erfindungsgemässen Zylinders, wobei einzelne Teile auseinandergezogen sind,FIG. 5 shows a view of the cylinder according to the invention, individual parts being pulled apart,
Fig. 6a bis 6d unterschiedliche Schlüssel einer Anlage und entsprechende Verlängerungen im Schnitt, sowie entsprechende Schlüsselkanäle in Ansicht.6a to 6d different keys of a system and corresponding extensions in section, as well as corresponding key channels in view.
Der in Figur 1 gezeigte Drehschliesszylinder 1 ist ein Dop- peldrehschliesszylinder und weist einen wirksamen Teil 2 sowie ein Verlängerungselement 3 und 3' auf. Der wirksame Teil 2 besteht aus einem Gehäuse 5, in das in an sich bekannte Weise mehrere Schieber 30 für hier nicht gezeigte Zuhaltungsstifte eingesetzt sind. Im Gehäuse ist ein Mitnehmer 6 gelagert, der nach einer Drehfreigabe eines Rotors 8 zur Betätigung des Schlosses gedreht werden kann. Der Rotor 8 kann wie gezeigt ein durchgehender Rotor sein oder er kann auch in an sich üblicher Weise aus zwei Rotorteilen bestehen. Mittels eines Sicherungsringes 31 ist der Rotor 8 im Gehäuse 5 achsial gesichert. Die Verlängerungselemente 3 und 3' weisen jeweils ein Gehäuse 14 bzw. 14' auf, die unterschiedlich lang sein können. In jedes Gehäuse 14 bzw. 14' ist eine Bohrung 12 bzw. 12' eingearbeitet, in welche jeweils von der Rückseite her ein drehbarer Einsatz 9 bzw. 9' eingesetzt ist. Ein radial vorstehender Kragen 10 des Einsatzes 9 bzw. 9' ist in einer entsprechenden Ausnehmung 13 bzw. 13' der Rückseite 24 bzw. 24' des Gehäuses 14 bzw. 14' gelagert.The rotary lock cylinder 1 shown in FIG. 1 is a double rotary lock cylinder and has an effective part 2 and an extension element 3 and 3 '. The effective part 2 consists of a housing 5, in which a plurality of slides 30 for tumbler pins, not shown, are used in a manner known per se. A driver 6 is mounted in the housing and can be rotated to activate the lock after a rotor 8 has been released. As shown, the rotor 8 can be a continuous rotor or it can also consist of two rotor parts in the usual manner. The rotor 8 is axially secured in the housing 5 by means of a locking ring 31. The extension elements 3 and 3 'each have a housing 14 or 14' that can be of different lengths. A bore 12 or 12 'is machined into each housing 14 or 14', in each of which a rotatable insert 9 or 9 'is inserted from the rear. A radially projecting collar 10 of the insert 9 or 9 'is mounted in a corresponding recess 13 or 13' of the rear 24 or 24 'of the housing 14 or 14'.
An der Rückseite 24 bzw. 24' des Gehäuses 14 bzw. 14' ist jeweils ein vorstehender Ansatz 15 bzw. 15' angeformt, der in eine korrespondierende Ausnehmung 25 des Gehäuses 5 eingreift, wie die Figur 1 zeigt. Zur Befestigung der Gehäuse 14 bzw. 14' am Gehäuse 5 weisen die Ansätze 15 bzw. 15' eine Querbohrung 16 auf, durch welche ein Stift 26 (Figur 1) eingesetzt ist. Dieser Stift verbindet jeweils ein Gehäuse 14 bzw. 14' mit dem Gehäuse 5. Die Verlängerungselemente 3 bzw. 3' sind somit fest mit dem Gehäuseteil 5 verbunden.On the back 24 or 24 'of the housing 14 or 14', a protruding projection 15 or 15 'is formed, which engages in a corresponding recess 25 of the housing 5, as shown in FIG. 1. To attach the housings 14 and 14 'to the housing 5, the lugs 15 and 15' have a transverse bore 16 through which a pin 26 (FIG. 1) is inserted. This pin connects a housing 14 and 14 'to the housing 5. The extension elements 3 and 3' are thus firmly connected to the housing part 5.
In jeden Einsatz 9 bzw 9' ist ein Kanal 11 bzw. 11' eingearbeitet, der zur Aufnahme eines Verlängerungsbereiches 21 eines Schlüssels 17, mit Griff 18 und Schaft 19 bestimmt ist. Dieser Kanal 11 bzw. 11' ist durchgehend und führt in einen entsprechenden Kanal 27 (Figur 3) des Rotors 8. Die Kanäle 11 sind vorzugsweise gemäss den Figuren 6a bis 6d profiliert und weisen nach innen vorstehende Rippen 28 auf, die korrespondierend zu Rillen 22 des Schlüssels 17 ausgebildet sind. In die Kanäle 11 bzw. 11' kann somit ein Schlüssel 17 nur dann vollständig einge- führt werden, wenn der Verlängerungsbereich 21 eine Profilierung 22 korrespondierend zu den Rippen 28 aufweist. Die Profilierung 28 kann unterschiedlich ausgebildet sein, wie die Figuren 6a bis 6d deutlich zeigen. Solche unterschiedlichen Profilierungen 28 ermöglichen einen hierarchischen Aufbau von vielen Schlüsseln 17 bis 17'"' einer Schliessanlage, wie ebenfalls die Figuren 6a bis 6d zeigen.A channel 11 or 11 'is incorporated into each insert 9 or 9', which is intended for receiving an extension area 21 of a key 17 with a handle 18 and shaft 19. This channel 11 or 11 'is continuous and leads into a corresponding channel 27 (FIG. 3) of the rotor 8. The channels 11 are preferably profiled according to FIGS. 6a to 6d and have inwardly projecting ribs 28 which correspond to grooves 22 of the key 17 are formed. A key 17 can therefore only be completely inserted into the channels 11 or 11 '. be performed when the extension region 21 has a profile 22 corresponding to the ribs 28. The profiling 28 can be designed differently, as clearly shown in FIGS. 6a to 6d. Such different profiles 28 allow a hierarchical structure of many keys 17 to 17 '''of a locking system, as is also shown in FIGS. 6a to 6d.
Die Verlängerungselemente 3 bzw. 3' weisen jeweils eine bestimmte Länge A bzw. A' auf, die durch den Abstand zwischen der Innenseite 24 und einer Aussenseite 29 bestimmt sind. Diese Länge A bzw. A' entspricht im wesentlichen der in den Figuren 6a und 6d gezeigten Länge B des Verlängerungsbereichs 21. Die Längen A und entsprechend die Längen B können bei einer Schliessanlage und einem Baukastensystem unterschiedlich sein, wie die Figuren 6a bis 6d erkennen lassen.The extension elements 3 and 3 'each have a certain length A and A', which are determined by the distance between the inside 24 and an outside 29. This length A or A 'corresponds essentially to the length B of the extension region 21 shown in FIGS. 6a and 6d. The lengths A and correspondingly the lengths B can be different in a locking system and a modular system, as can be seen in FIGS. 6a to 6d ,
Die Figuren 6a bis 6d zeigen lediglich Beispiele einer möglichen Profilierung eines Schlüssels 17. Die Rillen 22 können jedoch bezüglich ihrer Position und ihrer Tiefe als auch des Querschnittes variiert werden. Dem Fachmann ist eine Vielzahl solcher Profilierungen bekannt. Denkbar ist aber auch eine Ausführung, bei welcher der Schlüssel 17 im Verlängerungsbereich 21 nicht profiliert ist. Der Verlängerungsbereich 21 kann aber auch ohne Profilierung im Querschnitt variiert werden. Beispielsweise kann der Bereich 21 bei verschiedenen Schlüssel unterschiedlich breit sein. Entsprechend sind dann die Kanäle 11 der zugehörigen Drehschliesszylinder 1 unterschiedlich weit. Die Rillen 22 können sich gemäss den Figuren 6a bis 6d auch über den Schaftbereich 19 erstrecken. Der Bereich 19 kann somit ebenfalls profiliert sein.FIGS. 6a to 6d merely show examples of a possible profiling of a key 17. However, the grooves 22 can be varied with regard to their position and their depth as well as the cross section. A large number of such profiles are known to the person skilled in the art. An embodiment is also conceivable in which the key 17 is not profiled in the extension area 21. The extension area 21 can also be varied in cross-section without profiling. For example, the area 21 can be different for different keys be wide. Correspondingly, the channels 11 of the associated rotary lock cylinders 1 are of different widths. According to FIGS. 6a to 6d, the grooves 22 can also extend over the shaft region 19. The area 19 can thus also be profiled.
Die Figur 6a bis 6d zeigen Schlüssel 17 bis 17''' einer Schliessanlage. Diese Schlüssel 17 bis 17''' unterscheiden sich zumindest in der Länge des Verlängerungsbereichs 21. Diese unterschiedlichen Längen sind in den Figuren 6a bis 6d mit B' bis B''1 bezeichnet. Weist nun ein Drehschliesszylinder ein Verlängerungselement 3 auf, bei dem die Länge A im wesentlichen gleich der Länge B ist, so kann dieser Drehschliesszylinder mit sämtlichen Schlüsseln 17 bis 17''' bedingt werden. Weist nun aber das Verlängerungselement 3 eine Länge A auf, welche der Länge B'1 entspricht, so kann dieser Drehschliesszylinder mit dem Schlüssel 17 (Fig. 6a) nicht bedient werden. Mit den Schlüsseln 17' bis 17''' ist jedoch dieser Drehschliesszylinder bedienbar. Weist nun ein weiterer Drehschliesszylinder ein Verlängerungselement 3 auf, bei dem die Länge A gleich der Länge B' ' ' ist, so kann dieser Drehschliesszylinder lediglich mit dem Schlüssel 17''' bedient werden. Somit kann allein aufgrund der Variation der Länge B eine Schliessanlage aufgebaut werden. Diese Schliessanlage kann durch die obengenannte Profilierung noch erweitert werden. Die Figur 1 zeigt wie erwähnt einen Drehschliesszylinder 1, bei welchem der wirksame Teil 2 vorzugsweise ein Kurzzylinder ist. Die Länge D dieses Kurzzylinders 2 ist wesentlich kleiner als diejenige üblicher Doppeldrehschliesszylinder und entspricht im wesentlichen der Stärke eines üblichen Schlosskastens. Der Kurzzylinder 2 bzw. der wirksame Teil ist an seinen beiden Enden jeweils mit einem Verlängerungselement 3 bzw. 3' verlängert. Der Rotor 8 des wirksamen Teils 2 ist vorzugsweise durchgehend. In der Figur 1 ist der Schlüssel 17 von der linken Seite des Dreh- schliesszylinders 1 in diesen eingesetzt. Dieser Schlüssel 17 kann zur Einordnung der hier nicht gezeigten Zuhaltungen auch von der anderen Seite eingesetzt werden.Figures 6a to 6d show keys 17 to 17 '''of a locking system. These keys 17 to 17 '''differ at least in the length of the extension region 21. These different lengths are designated B' to B '' 1 in FIGS. 6a to 6d. If a rotary lock cylinder now has an extension element 3, in which the length A is substantially equal to the length B, this rotary lock cylinder can be conditioned with all keys 17 to 17 '''. If, however, the extension element 3 has a length A which corresponds to the length B ' 1 , this rotary lock cylinder cannot be operated with the key 17 (FIG. 6a). However, this rotary lock cylinder can be operated with the keys 17 'to 17'''. If a further rotary lock cylinder now has an extension element 3 in which the length A is equal to the length B ''', this rotary lock cylinder can only be operated with the key 17'''. A locking system can thus be set up solely on the basis of the variation in length B. This locking system can be expanded by the above mentioned profiling. As mentioned, FIG. 1 shows a rotary lock cylinder 1 in which the effective part 2 is preferably a short cylinder. The length D of this short cylinder 2 is substantially smaller than that of a conventional double rotary lock cylinder and corresponds essentially to the strength of a conventional lock case. The short cylinder 2 or the effective part is extended at both ends with an extension element 3 or 3 '. The rotor 8 of the effective part 2 is preferably continuous. In FIG. 1, the key 17 is inserted into the rotary lock cylinder 1 from the left side thereof. This key 17 can also be used to classify the tumblers not shown here from the other side.
Die Verlängerungselemente 9' bis 9''' können jeweils auch aus mehreren kürzeren Elementen zusammengesetzt sein. Diese Elemente weisen beispielsweise eine Dicke von 5, 10 oder 15 mm auf und werden aneinandergereiht. Mit wenigen Einheiten können somit sehr unterschiedliche Längen erreicht werden. Damit wird die Lagerhaltung vereinfacht und die Herstellungskosten können niedrig gehalten werden. Da bereits der Kurzzylinder 2 eine hohe Schliessicherheit gewährleistet, können die Verlängerungselemente 9' bis 91'1 aus einem kostengünstigen Werkstoff, wie beispielsweise Zink, Kunststoff oder Messing hergestellt sein. The extension elements 9 'to 9''' can each be composed of several shorter elements. These elements have a thickness of 5, 10 or 15 mm, for example, and are strung together. With a few units, very different lengths can be achieved. This simplifies storage and the manufacturing costs can be kept low. Since the short cylinder 2 already ensures a high level of locking security, the extension elements 9 'to 9 1 ' 1 can be made of an inexpensive material, such as zinc, plastic or brass.

Claims

Patentansprüche claims
1. Drehschliesszylinder für ein Sicherheitsschloss, mit einem Gehäuse (5) und wenigstens einem einen Schlüsselkanal (27) aufweisenden Rotor (8), mit Zuhaltungen, die zur Drehfreigabe des Rotors (8) mit einem zugehörigen Schlüssel (17) einzuordnen sind, mit einem Mitnehmer (6) und mit wenigstens einem am wirksamen Teil (2) des Drehschliesszylinders angebrachten Verlängerungselement (3) , das ein Gehäuse (24) und einen drehbaren Einsatz (9) aufweist, dadurch gekennzeichnet, dass wenigstens ein Verlängerungselement (3) im Abstand zum Mitnehmer (6) aussenseitig am wirksamen Teil (2) angebracht ist und dass der Schlüsselschaft im wesentlichen entsprechend der Länge (A) dieses Verlängerungselementes (3) verlängert ist.1. Rotary lock cylinder for a security lock, with a housing (5) and at least one rotor (8) having a key channel (27), with tumblers, which are to be classified with a corresponding key (17) for enabling the rotor (8) to rotate Carrier (6) and with at least one extension element (3) attached to the effective part (2) of the rotary lock cylinder, which has a housing (24) and a rotatable insert (9), characterized in that at least one extension element (3) at a distance from the Driver (6) is attached to the outside on the effective part (2) and that the key shaft is substantially extended in accordance with the length (A) of this extension element (3).
2. Drehschliesszylinder nach Anspruch 1, dadurch gekennzeichnet, dass der drehbare Einsatz (9) des Verlängerungselementes (3) profiliert ist.2. Rotary lock cylinder according to claim 1, characterized in that the rotatable insert (9) of the extension element (3) is profiled.
3. Drehschliesszylinder nach Anspruch 2, dadurch gekennzeichnet, dass der drehbare Einsatz (9) des Verlängerungselementes (9) und/oder das Gehäuseteil (14) des Verlängerungselementes (3) aus einem harten Werkstoff, insbesondere gehärtetem Stahl oder Hartmetall oder einem kostengünstigen Werkstoff wie beispielsweise Zink, Kunststoff oder Messing hergestellt ist.3. Rotary lock cylinder according to claim 2, characterized in that the rotatable insert (9) of the extension element (9) and / or the housing part (14) of the extension element (3) made of a hard material, in particular hardened steel or hard metal or an inexpensive material such as for example zinc, plastic or brass is produced.
4. Drehschliesszylinder nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, dass der wirksame Teil (2) durch einen beidseitig bedienbaren Kurzzylinder mit einem durchgehenden Rotor (8) gebildet ist.4. Rotary lock cylinder according to one of claims 1 to 3, characterized in that the effective part (2) by one short cylinder that can be operated on both sides is formed with a continuous rotor (8).
5. Drehschliesszylinder nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, dass er an seinen beiden Enden jeweils mit einem Verlängerungselement (3') versehen ist.5. Rotary lock cylinder according to one of claims 1 to 4, characterized in that it is provided at both ends with an extension element (3 ').
6. Baukastensystem mit mehreren Drehschliesszylindern ge- mäss Anspruch 1, dadurch gekennzeichnet, dass die Längen (A) der Verlängerungselemente (3) und entsprechend die Längen (B) der zugeordneten Schlüssel (17) unterschiedlich sind.6. Modular system with several rotary lock cylinders according to claim 1, characterized in that the lengths (A) of the extension elements (3) and correspondingly the lengths (B) of the assigned keys (17) are different.
7. Baukastensystem nach Anspruch 6, dadurch gekennzeichnet, dass die Schäfte (19) der Schlüssel (17) jeweils einen wirksamen Bereich (20) mit Bohrungen (23) und entsprechend der Länge (A) des Verlängerungselementes (3) einen weiteren Bereich7. Modular system according to claim 6, characterized in that the shafts (19) of the key (17) each have an effective area (20) with holes (23) and corresponding to the length (A) of the extension element (3) a further area
(21) aufweisen.(21).
8. Baukastensystem nach Anspruch 6 oder 7, dadurch gekennzeichnet, dass die drehbaren Einsätze (9') der Verlängerungselemente (3) unterschiedlich profiliert sind.8. Modular system according to claim 6 or 7, characterized in that the rotatable inserts (9 ') of the extension elements (3) are profiled differently.
9. Baukastensystem nach einem der Ansprüche 6 bis 8, dadurch gekennzeichnet, dass die drehbaren Einsätze (9') der Verlängerungselemente (3') unterschiedlich lang sind.9. Modular system according to one of claims 6 to 8, characterized in that the rotatable inserts (9 ') of the extension elements (3') are of different lengths.
10. Schlüssel für einen Drehschliesszylinder nach Anspruch 1, dadurch gekennzeichnet, dass sein Schaft (19) einen vorderen wirksamen Bereich (20) und zwischen diesem wirksamen Bereich10. Key for a rotary lock cylinder according to claim 1, characterized in that its shaft (19) has a front effective area (20) and between this effective area
(20) und dem Schlüsselgriff (18) einen weiteren Bereich (21) aufweist . (20) and the key handle (18) has a further region (21).
11. Schlüssel nach Anspruch 10, dadurch gekennzeichnet, dass der weitere Bereich (21) breiter ist als der wirksame Bereich (20) .11. Key according to claim 10, characterized in that the further region (21) is wider than the effective region (20).
12. Schlüssel nach Anspruch 10 oder 11, dadurch gekennzeichnet, dass der weitere Bereich (21) profiliert ist.12. Key according to claim 10 or 11, characterized in that the further region (21) is profiled.
13. Schlüssel nach Anspruch 12, dadurch gekennzeichnet, dass der weitere Bereich (21) in Längsrichtung des Schaftes (19) profiliert ist.13. Key according to claim 12, characterized in that the further region (21) is profiled in the longitudinal direction of the shaft (19).
14. Schlüssel nach Anspruch 12, dadurch gekennzeichnet, dass der weitere Bereich (21) in Längsrichtung des Schaftes (19) verlaufende Rillen (22) aufweist. 14. Key according to claim 12, characterized in that the further region (21) has grooves (22) running in the longitudinal direction of the shaft (19).
EP01900020A 2000-01-24 2001-01-09 Rotary locking cylinder for a safety lock Expired - Lifetime EP1252408B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CH130002000 2000-01-24
CH1302000 2000-01-24
PCT/CH2001/000014 WO2001053638A1 (en) 2000-01-24 2001-01-09 Rotary locking cylinder for a safety lock

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EP1252408A1 true EP1252408A1 (en) 2002-10-30
EP1252408B1 EP1252408B1 (en) 2005-01-19

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US (1) US7059160B2 (en)
EP (1) EP1252408B1 (en)
AT (1) ATE287486T1 (en)
AU (1) AU774431B2 (en)
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CA (1) CA2398140C (en)
CZ (1) CZ301779B6 (en)
DE (1) DE50105117D1 (en)
EE (1) EE04474B1 (en)
ES (1) ES2236172T3 (en)
HU (1) HU224562B1 (en)
IL (1) IL150814A0 (en)
MX (1) MXPA02007170A (en)
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SK (1) SK286553B6 (en)
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CZ20022571A3 (en) 2003-02-12
WO2001053638A1 (en) 2001-07-26
CZ301779B6 (en) 2010-06-23
HU224562B1 (en) 2005-10-28
PL199711B1 (en) 2008-10-31
PL356293A1 (en) 2004-06-28
CA2398140A1 (en) 2001-07-26
AU774431B2 (en) 2004-06-24
ATE287486T1 (en) 2005-02-15
AU2140501A (en) 2001-07-31
EP1252408B1 (en) 2005-01-19
ES2236172T3 (en) 2005-07-16
EE04474B1 (en) 2005-04-15
US20040003634A1 (en) 2004-01-08
BR0107717B1 (en) 2013-02-05
US7059160B2 (en) 2006-06-13
ZA200206346B (en) 2003-10-29
IL150814A0 (en) 2003-02-12
DE50105117D1 (en) 2005-02-24
SK286553B6 (en) 2008-12-05
MXPA02007170A (en) 2004-09-06
BR0107717A (en) 2002-11-19
SK10732002A3 (en) 2003-02-04

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