EP2746500A1 - Dispositif de fermeture et clé pour un dispositif de fermeture - Google Patents

Dispositif de fermeture et clé pour un dispositif de fermeture Download PDF

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Publication number
EP2746500A1
EP2746500A1 EP20140159332 EP14159332A EP2746500A1 EP 2746500 A1 EP2746500 A1 EP 2746500A1 EP 20140159332 EP20140159332 EP 20140159332 EP 14159332 A EP14159332 A EP 14159332A EP 2746500 A1 EP2746500 A1 EP 2746500A1
Authority
EP
European Patent Office
Prior art keywords
key
sliding
tip
flanks
flank
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
EP20140159332
Other languages
German (de)
English (en)
Other versions
EP2746500B1 (fr
Inventor
Jürgen Lienau
Thomas Wallberg
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.)
C Ed Schulte Zylinderschlossfabrik GmbH
Original Assignee
C Ed Schulte Zylinderschlossfabrik GmbH
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 C Ed Schulte Zylinderschlossfabrik GmbH filed Critical C Ed Schulte Zylinderschlossfabrik GmbH
Publication of EP2746500A1 publication Critical patent/EP2746500A1/fr
Application granted granted Critical
Publication of EP2746500B1 publication Critical patent/EP2746500B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B19/00—Keys; Accessories therefor
    • E05B19/0017—Key profiles
    • E05B19/0023—Key profiles characterized by variation of the contact surface between the key and the tumbler pins or plates
    • 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
    • E05B27/0003—Details
    • E05B27/0017—Tumblers or pins
    • 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
    • Y10T70/7588—Rotary plug
    • Y10T70/7593—Sliding tumblers
    • Y10T70/7599—Transverse of plug
    • Y10T70/7605—Pin tumblers
    • 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
    • Y10T70/7785—Tumblers
    • 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
    • Y10T70/7842—Single shank or stem
    • Y10T70/7859—Flat rigid
    • 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

Definitions

  • the invention relates to a locking device according to the preamble of claim 1 and a key for such a locking device.
  • the DE 298 18 143 U1 describes a safety key and the tumbler pin of an associated lock cylinder.
  • the wide side surface of the flat key shank of the security key has a plurality of pot-shaped coding recesses.
  • Each coding recess has a support flank formed by the bottom of the pot, against which the blunt front end of a tumbler pin chamfered on the face can be supported.
  • the support surface merges into a concave, rounded sliding surface. This rounding turns into a more inclined sloping flank. The latter merges into a concave rounded sliding surface with a smaller pitch.
  • the concave rounded sliding surface extends in a broad side surface of the key shank. As a result, a kink-free course of a sliding edge is given with different degrees inclined to the insertion of the key in the keyway of the lock cylinder sections.
  • a Codianssaus Principleung with kink-free course of sections of different pitch having sliding edge also describes the DE 20 2006 005188 U1 ,
  • the wall of the coding recess is formed by a circular arc section, which is manufactured by the use of a round milling cutter with a constant cutting radius.
  • the DE 10 2004 021 580 B3 describes a flat key with coding recesses with rectilinear sliding edges.
  • the flanks of adjacent coding recesses merge into each other to form an acute angle.
  • the opening angle of the two a coding recess forming sliding edges is about 106 °.
  • the opening angle is preferably greater than 90 ° in order to keep the force acting in the horizontal direction when pulling out the key from the keyway low.
  • flat sliding flanks have the disadvantage that immediately adjacent CodianssausEnglish aus can only have a relatively small difference in their depth of cut.
  • the coding of a flat key is achieved by differently deeply cut sliding flanks.
  • the sliding edges can meet at an intersection, as it is, for example, in the DE 10 2004 021 580 B3 the case is. But the sliding edges can also pass into a supporting flank, as it is in the DE 298 18 143 U1 the case is.
  • a tumbler pin is sorted when inserting the key into the keyway of a lock cylinder.
  • the tumbler pins have different lengths, wherein the incision depth of the associated Cod michellessausEnglishung is adapted to the length of the respective tumbler pin that the tumbler pins do not protrude with fully inserted key beyond the movement joint of the lock cylinder in a housing pin hole or mounted in the housing pin bore housing pins not in the Protruding core pin hole.
  • the US2009 / 0071210 A1 describes a key which can be used as a tool, in which the key blade has glass-cutting properties and the key-breast has coding notches formed by flat flanks running obliquely to the key-insertion direction.
  • the US 4,402,201 describes a key with a curly-edged key-breast and a rounded key-tip.
  • the DE 103 04 152 A1 describes such a lock cylinder with associated key.
  • the key has a tip portion flanked by two flank portions which enter the slot of a coupling member to couple the cylinder core with the closure member.
  • a lock cylinder with associated key in which the key tip fulfills a coupling function, is also known from the DE 4112 564 A1 ,
  • the key tip forming edge portion extends inclined to the insertion direction of the key shaft in the keyway.
  • a remote from the key tip portion of this edge forms a sliding bevel, which acts upon insertion of the key in the keyway the heads of the tumbler pins to hineinzulverlagern the tumbler pins in the axial direction in their pin bores.
  • the invention has for its object to improve the slip angle of the key tip closing technology.
  • the sliding bevel runs flatter than the immediately adjacent flank section of the key tip.
  • the angle of the sliding bevel and the cone angle of the tumbler pin are matched to one another such that the conical surface is acted upon by the sliding bevel substantially over its entire axial length.
  • the sliding bevel thus acts on the head of the tumbler pin not only in the region of its tip or exclusively in the region of the transition region of the conical surface to the cylindrical shaft portion of the tumbler pin, but about the entire length of the cone. Instead of a punctiform contact, a linear contact takes place. Cone angle and angle of the slip slope do not have to agree 100%, as a certain tilt of the tumbler pin can be accepted.
  • this tilting must not be so great that the tumbler pin canted in his pin bore.
  • this sliding bevel can also have steeper or shallower sections. It is essential that the tumbler pin is acted upon in its acceleration phase, ie in the first movement phase, by a sliding bevel section, to which the conical surface can create a line.
  • the locking device consisting of a lock cylinder and a matching key
  • the lock cylinder has a cylinder core with a keyway for inserting the key and opening into the keyway pin bores in which pin bores tumbler pins are mounted, the head with a tip and a to the Forming tip subsequent conical surface, which engages in a CodleitersausEnglishung the key and is supported there with the tip of a portion of the wall of the Codierausnostilly, wherein the wall forms a first sliding edge on which the head of the tumbler before by pulling the key out of the Key channel caused axial displacement of the tumbler pin in the pin bore in a contact position is applied and slides in a first phase of movement when pulling out the key along, and then connect to the first sliding edge in a transition region forming second sliding flank forms, which relation relative to the first slide flank to the extending direction of the key is steeper and in which slides the head during withdrawal of the key along in a second movement phase.
  • the dimensions of the conical surface adjoining a rounding of the tip and the first sliding flank are coordinated with one another such that the transition region is covered in the contact position of the conical surface.
  • the two sliding flanks intersecting in a real or imaginary point, on which the head of the tumbler pin slides in a first movement phase when pulling out the key from the keyway, may have an opening angle which is relatively large, for example as in the prior art 106 ° is.
  • a second sliding edge connects, which runs steeper.
  • the two each associated with a coding recess second sliding edges may have an opening angle that is much smaller, for example. 90 °.
  • the flat first sliding edge has only the task to overcome the static friction when moving the tumbler pin.
  • the amount of lower sliding friction causes a smaller force component in the withdrawal direction, so that the relevant Gleitflankensteist can be greater.
  • the range of the first, slightly inclined sliding edge is thus limited to the area in which the core pin is accelerated. This range may be less than the radius or diameter of the core pin.
  • the transitional region of the two sliding flanks which can merge there to form an intersection, ie a kink, lies in the area of the conical surface. This covers the transition area.
  • the sliding edges are substantially rectilinear. As a result, an optimal use of space is given.
  • the cone angle is in the range of the opening angle of the second sliding flanks and is preferably slightly smaller than this opening angle.
  • the production of Codianssaus traditions can be done with a side milling cutter.
  • the side milling cutter has a V-shaped disk profile, wherein the two V-legs have portions of different pitch. The one with such Disc milling cutters with different depths are thus essentially the same design.
  • the first sliding flanks always extend over the same extension section of the key shank.
  • at least one tumbler pin has a conical surface whose cone angle is greater than the opening angle of the second sliding flank. This tumbler pin does not rest with its rounded tip on a supporting flank or first sliding flank.
  • the key may be a flat key with a coded recess cut in the breast, as it is from the DE 10 2004 021 580 B3 is described.
  • the key can also be a flat key with a milling cutter milled into the broadside Cod istsausEnglishept, as he basically in the DE 298 18 143 U1 is described. In both cases, it is possible that the tip-side rounding of the tumbler pin is supported on a support flank extending parallel to the extension direction of the key shank.
  • the in Fig. 1 shown, belonging to the prior art key 2 has a key 22 and a subsequent to the crayon 22 key shank 21.
  • the key shank 21 has a wide guide rib and a plurality of profile ribs.
  • the key channel of the cylinder core of an associated lock cylinder has a corresponding cross-sectional profile.
  • the key shank 21 has a total of six coding recesses 10, to each of which a core pin belongs, wherein the tip of the adjacent coding recess has the depth zero.
  • the coding recesses are formed by V-shaped incisions, which merge sharp-edged into one another.
  • FIGS. 2 to 7 illustrated inventive development of the in the Fig. 1 key shown also has V-shaped Codtechniksausappel traditions 10.
  • the rounded tips 8 of the heads 7 are supported by core pins 6 from.
  • the core pins 6 are also underlaid by platelets 23 and slidably mounted in core pin holes 5.
  • the end faces of the plates 23 with the parting plane between the cylinder core 3 and bore of the lock cylinder housing 1. This prevents housing pins 25, each mounted in a housing bore 24 are, by the force of a tumbler spring 26, the separation plane crossing into the pin hole 5 protrude.
  • the core pins 6 or, in the exemplary embodiment, the platelets 23 protrude into the housing bore 24.
  • the cylinder core 3 can thus be rotated by means of the key.
  • the key tip engages in a coupling, not shown, to rotate an unillustrated closing member for the purpose of actuating a lock.
  • the Codianssausnaturalept 10 have a first sliding edge pair 12, which intersects in a vertex 12 '. It is essential that the first sliding flanks 12 are rectilinear.
  • the exemplary embodiment is a real point of intersection 12 '.
  • the first sliding flanks 12 can also intersect at an imaginary point of intersection if, for example, they pass into a supporting flank running parallel to the key member extension.
  • the rounded tip 8 of the head 7 of the core pin 6 is supported on the two first sliding flanks 12.
  • the rounding of the top 8 can also be supported on a supporting flank.
  • the reference numeral 13, a kink is shown. This is a transition region in which the first sliding edge 12 merges into a second sliding edge 14, which has a greater pitch with respect to the extension direction of the key shank 21.
  • the transition region 13 is overlapped by the conical surface 9 of the head 7.
  • the relative to the direction of displacement of the core pin 6 axial distance of the transition region 13 to the tip 8 of the coding recess 10 held in the positioned Kernres 6 is less than the axial length of the head 7, resulting from the axial length of the tip 8 and the axial length of the conical surface composed.
  • the distance of the transition region 13 from the center axis passing through the tip 8 of the core pin 6 positioned in the coding recess 10 is less than the radius of the cylindrical shaft portion of the core pin 6.
  • the opening angle ⁇ of the two first sliding flanks 12 is approximately 106 °.
  • the opening angle of the second sliding flanks 14 is about 90 °.
  • the cone angle ⁇ of the conical surface 9 in the exemplary embodiment is about 86 °.
  • the cone is designed in such a way that the diameter of its base surface, with which the cone section 9 adjoins the cylindrical shaft section of the core pin 6, is at least four times as large as the head diameter of the cone section 9, at which the rounding of the tip 8 follows.
  • the diameter ratio is about six. The dimensions are in any case chosen so that the rounding of the tip 8 is supported on the first sliding surface 12 and the transition region 13 is in the region of the conical surface 9.
  • the operation is the following: Is starting from the Fig. 3 drawn shown rest position of the key 2 to the left from the keyway, so the tip 8 slides first - as in the Fig. 4 is shown - on the flat extending first sliding edge 12 along.
  • the static friction is overcome in this first movement phase and accelerates the core pin 6 together with the acted upon by him platelet 23 and housing pin 25 in the axial direction.
  • This acceleration phase is followed by a second movement phase in which only the sliding friction of the tip 8 on the sliding flank is to be overcome. In this second movement phase, the tip 8 passes through the transition region 13 and slides along the second, steeper sliding surface 14.
  • the Fig. 6 shows a core pin 6 inserted only in a slightly deep-cut CodtechniksausEnglishung 10th
  • first sliding edge 12 is present, which merges with the formation of a pointed point in the second sliding edge 14 of an adjacent Codtechniksausnaturalung.
  • the Fig. 7 shows a key with a notch geometry for forming a coding recess 10, as previously with reference to the FIGS. 3 to 5 has been described.
  • a core pin 16 in the Cod istsausANSung 10 which has a conical surface 19 which has a cone angle ⁇ of 102 °.
  • a second conical surface 20 which has a smaller cone angle of about 86 °.
  • the head 17 of this core pin 16 abuts in the transition region 20 'on the second sliding edge 14. This core pin 16 is accelerated more than the other core pins when pulling out the key.
  • FIGS. 8 and 9 show a flat key of the prior art, in which the Codianssaus Principle 11, 10 are formed by cup-shaped milled cuts in the key broadside.
  • Such a key is, for example, from the above-mentioned DE 298 18 143 U1 described.
  • Fig. 10 it can be seen, the rounded tips 8 of the tumbler pins 6 are supported on supporting flanks 11.
  • the support flanks 11 form the bottom of the Codianosaus traditions 10.
  • the support flanks 11 have a circular contour and are limited by running on an inner cone surface first wall zone. This first wall zone forms two opposing first sliding flanks 12.
  • the opening angle ⁇ of the first sliding flanks 12 forming inner cone is in the embodiment about 106 °.
  • the first inner cone surface merges into a second inner cone surface.
  • the second inner cone surface forms two opposing second sliding edges 14 off.
  • the inner cone angle ⁇ of the second inner cone surface is about 90 °, so that a transition zone 13 is formed in the form of a bending line.
  • the transition region 13 has a distance in the axial direction of the core pin 6, which is smaller than the distance between the tip 8 and base surface of the cone 9 of the head 7 relative to the support flank 11.
  • the second sliding flank 14 formed by the second inner cone merges into a broadside surface of the key shank 21.
  • the cone angle of the conical surface 9 is also about 86 °.
  • the diameter of the base surface of the cone 9 is here more than twice as large as the diameter of the transition region of the cone surface in the top eighth
  • the rounded tip 8 touches the first sliding edge 12.
  • the transition region 13 is thereby overlapped with a distance from the conical surface 9. Further extraction of the key 2 from the key channel 4 leads to the in Fig. 12 illustrated state of motion.
  • the core pin 6 is accelerated by sliding along the rounded tip 8 at the weaker rising first sliding edge 12. Subsequently, the rounded tip 8 passes the transition region 13 and reaches the in Fig. 13 shown second movement phase in which the tip 8 slides on the second, more inclined sliding edge 14 along.
  • the Fig. 14 shows a inventively designed tip region of a flat key.
  • a sliding bevel 27, on which a conical surface 9 of a core pin 6 slides under line installation when the key 2 is pushed into the keyway 4, has a pitch angle ⁇ with respect to the direction of movement of the core pin 6 of approximately 45 °.
  • a flank portion 29 of the key tip 28 connects, which is inclined relative to the direction of movement S of the core pin 6 by an angle ⁇ of about 37 °. This results in a shortened key tip, but which is nevertheless able to couple the key with a closure member by immersing in a coupling slot.
  • the embodiment shown in the drawings shows a 31.5 mm long cylinder with six pins. Alternatives are 27.5 mm long and have five pens or are longer and have seven or more pens.

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  • Lock And Its Accessories (AREA)
  • Adornments (AREA)
EP14159332.7A 2009-06-18 2010-06-02 Dispositif de fermeture et clé pour un dispositif de fermeture Active EP2746500B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102009025993A DE102009025993B3 (de) 2009-06-18 2009-06-18 Schließeinrichtung sowie Schlüssel für eine Schließeinrichtung
EP10164723.8A EP2264264B1 (fr) 2009-06-18 2010-06-02 Dispositif de verrouillage et clé pour un dispositif de verrouillage

Related Parent Applications (2)

Application Number Title Priority Date Filing Date
EP10164723.8A Division-Into EP2264264B1 (fr) 2009-06-18 2010-06-02 Dispositif de verrouillage et clé pour un dispositif de verrouillage
EP10164723.8A Division EP2264264B1 (fr) 2009-06-18 2010-06-02 Dispositif de verrouillage et clé pour un dispositif de verrouillage

Publications (2)

Publication Number Publication Date
EP2746500A1 true EP2746500A1 (fr) 2014-06-25
EP2746500B1 EP2746500B1 (fr) 2016-04-27

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ID=42538857

Family Applications (2)

Application Number Title Priority Date Filing Date
EP14159332.7A Active EP2746500B1 (fr) 2009-06-18 2010-06-02 Dispositif de fermeture et clé pour un dispositif de fermeture
EP10164723.8A Active EP2264264B1 (fr) 2009-06-18 2010-06-02 Dispositif de verrouillage et clé pour un dispositif de verrouillage

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP10164723.8A Active EP2264264B1 (fr) 2009-06-18 2010-06-02 Dispositif de verrouillage et clé pour un dispositif de verrouillage

Country Status (6)

Country Link
US (1) US8266937B2 (fr)
EP (2) EP2746500B1 (fr)
CA (1) CA2708015C (fr)
DE (2) DE102009025993B3 (fr)
ES (1) ES2573100T3 (fr)
PL (1) PL2746500T3 (fr)

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Publication number Priority date Publication date Assignee Title
US20110214462A1 (en) * 2010-03-02 2011-09-08 Stanton Concepts Inc. Anti-Bump Top Pin for Pin Tumbler Locks
US8720241B1 (en) * 2013-05-22 2014-05-13 Winloc Ag Cylinder lock and key with side bar
PL405477A1 (pl) * 2013-09-30 2015-04-13 Artur Litwiński Klucz do zamka
DE102015106198A1 (de) 2015-04-22 2016-10-27 C.Ed. Schulte Gesellschaft mit beschränkter Haftung Zylinderschlossfabrik Schließeinrichtung
DK3219882T3 (en) * 2016-03-16 2018-10-22 Assa Ab Cylinder lock and key system

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DE7035739U (de) * 1970-09-26 1971-01-07 Voss Kg J Schliesszylinder mit schluessel.
US4402201A (en) 1980-11-14 1983-09-06 Clarence Nokes Snap-off key
DE4112564A1 (de) 1991-04-17 1992-10-22 Dom Sicherheitstechnik Schliesszylinder
DE9409290U1 (de) * 1994-06-08 1994-09-22 Knauer, Helga, 91054 Erlangen Zuhaltestiftsystem zur Erweiterung der Schließvariationsmöglichkeiten
DE29818143U1 (de) 1998-10-10 2000-02-17 Bks Gmbh, 42549 Velbert Sicherheitsschlüssel
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EP1577469A2 (fr) * 2004-03-19 2005-09-21 Aug. Winkhaus GmbH & Co. KG Clé
DE102004021580B3 (de) 2004-05-03 2005-11-10 Wilka Schließtechnik GmbH Aus Schlüssel und Schließzylinder bestehende Schließvorrichtung
DE202006005188U1 (de) 2006-02-02 2006-06-14 EVVA-WERK SPEZIALERZEUGUNG von Zylinder- und Sicherheitsschlössern Gesellschaft m.b.H. & Co. KG Zylinderschloss sowie Flachschlüssel
US20090071210A1 (en) 2007-09-19 2009-03-19 Harold Teague Combination key and glass scorer

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EP2264264A3 (fr) 2014-03-19
EP2264264B1 (fr) 2016-05-18
EP2746500B1 (fr) 2016-04-27
DE102009025993B3 (de) 2011-01-20
CA2708015A1 (fr) 2010-12-18
US8266937B2 (en) 2012-09-18
US20100319422A1 (en) 2010-12-23
ES2573100T3 (es) 2016-06-06
DE202010005352U1 (de) 2010-08-05
EP2264264A2 (fr) 2010-12-22
PL2746500T3 (pl) 2016-09-30
CA2708015C (fr) 2013-01-15

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