EP1057951B1 - Locking mechanism comprising a cylinder lock and a key for such a lock - Google Patents
Locking mechanism comprising a cylinder lock and a key for such a lock Download PDFInfo
- Publication number
- EP1057951B1 EP1057951B1 EP20000105780 EP00105780A EP1057951B1 EP 1057951 B1 EP1057951 B1 EP 1057951B1 EP 20000105780 EP20000105780 EP 20000105780 EP 00105780 A EP00105780 A EP 00105780A EP 1057951 B1 EP1057951 B1 EP 1057951B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- key
- opening
- angle
- cone
- locking arrangement
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- IHQKEDIOMGYHEB-UHFFFAOYSA-M sodium dimethylarsinate Chemical class [Na+].C[As](C)([O-])=O IHQKEDIOMGYHEB-UHFFFAOYSA-M 0.000 claims abstract description 7
- 238000003780 insertion Methods 0.000 claims abstract description 6
- 230000037431 insertion Effects 0.000 claims abstract description 6
- 230000007704 transition Effects 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000002441 reversible effect Effects 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 210000001061 forehead Anatomy 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
Images
Classifications
-
- 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
- E05B15/08—Key guides; Key pins ; Keyholes; Keyhole finders
-
- 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
-
- 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
- Y10T70/787—Irregular nonplanar or undulated
-
- 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
- Y10T70/80—Parts, attachments, accessories and adjuncts
- Y10T70/8432—For key-operated mechanism
- Y10T70/8595—Key guides, internal
Definitions
- the invention relates to a locking device according to Generic term of claim 1 and the associated Key.
- a locking device with locking cylinder and associated Key in particular reversible flat key known in the prior art (e.g. from DE-U-295 10 153).
- the cylinder core has of the lock cylinder one to the cylinder face open towards, provided with profile ribs / grooves Keyway.
- In the middle is the tip of one to the cylinder face opening conical opening.
- the key forms on its insert side End of a point with curved lines.
- the combination of conical opening and tip with arcuate The introduction of the key in facilitate the key channel.
- Introducing the The key is particularly in the case of reversible flat keys complicated with narrow profile ribs / grooves. According to the the key must be closely adjacent profiles without much deviation from the exact escape situation be plugged in. Locking systems profiled in this way also hardly allow larger inclinations the key axis to the key channel axis.
- the invention has for its object the introduction to facilitate a key in the key channel.
- the solution of claim 1 essentially provides that the tip is formed by two curved lines, the Intersection lies in the middle of the key broadside, and the tangential angle is larger at the intersection, than the opening angle of the cone opening, the Arc lines to the opposite broadsides Bevels with a bevel angle that is smaller, than the opening angle of the cone opening.
- the conical Opening forms a kind of funnel, which in the Key channel opens. In this funnel the Key inserted.
- the Key axis not with the locking channel axis. The Rather, the key axis lies at an angle of inclination tilted to the key channel axis. The same is true Key shaft rotated by an angle of rotation for key channel orientation.
- the key is turned for key channel orientation inserted into the cone, so simplified due to the geometry, the pivoting up to the broadside swivel range defined above.
- the User feels the swivel angle at which the tip leaves the contacting system on the cone wall. It is located in this broadside swivel area and turns the key, so the key tip finds their correct central position to the locking channel and If the orientation is correct, the chamfer can be inserted into the locking channel. Then in The bevels of the chamfer have the effect of straightening the key to the escape position.
- the Chamfer angle about 15 to 25 ° larger than half Cone angle.
- the thickness of the unfastened flank section is about half to a third of that Narrow side strength. This has the consequence that the in the correct orientation then when inserted further into the key channel almost automatically from the incline to the escape position is pivoted when its inclination within the Narrow side swivel range is.
- the arc lines are preferably arcs.
- the centers are in the key broadside and are a distance of the broadside centerline removed. This distance corresponds to approximately 30 to 35% of the key broadside thickness. Furthermore, the radius of the arc side is preferred about 105 to 110% of the strength of the key broadside. The diameter of the cone opening is preferred less than the key broadside thickness.
- the Cone angle, i.e. the opening angle of the funnel-shaped Opening is preferably about 110 °.
- a further education the invention relates to the cone opening of the Cylinder core.
- the opening angle of the conical opening is larger on the outside than in the center of the opening.
- the opening preferably forms an inner one Cone with a smaller cone opening angle than the outer cone.
- the Inner cone has an oval shape. The oval is longitudinal to the key channel. This creates in the area of Key channel a step-like transition of the two Cone walls to each other. In the transverse direction is the Transition formed as an edge.
- the Opening angle of the pointed inner cone at 90 °.
- the invention particularly also relates to a key for the described locking device.
- the key 1 has a key chalk 14 and one this Reide 14 opposite tip 5.
- the tip 5 lies in the middle of broadside 7. Flanked is the Tip 5 of arcuate flanks 6.
- the flanks 6 are generated by arcs with a Radius R around the arc center 12 are struck.
- the Bow centers 12 are in the key broadside 8, in each case by a distance A from the Broadside centerline 7. Distance A is 30 up to 35% of width B of the key broadside.
- the arc lines 6 intersect in the tip 5 in such a way that the tangent angle delta of the arc lines 6 in Intersection 5 is larger than the opening angle My a cone opening 4 on the front of a Core 3 of a lock cylinder lies.
- the Arc line 6 a spaced from the broad sides 8 Flank face portion.
- This arcuate forehead section has a width S 1 and an orientation transversely for the extension of the broad sides 8.
- the thickness of this flank end section is approximately that Half to a third of the narrow side thickness S.
- This Flank end section goes under formation of a Chamfer 9 into broadside 8.
- the chamfer angle Omega is smaller than half the cone angle My.
- the Cone angle My is approximately 110 °.
- the chamfer angle Omega is about 15 to 25 ° larger than half the cone angle My.
- the strength of the chamfers 9 are on each of the two key broadsides 8 of the same size. This means, that the chamfers 9 are equally spaced the narrow middle 13.
- 6 to 9 shows schematically which one Positions of the keys 1 within the cone opening 4 can take.
- 6 is the key 1 transverse to the locking channel orientation so against the Cone wall 10 with its flank 6 that the Face of the flank 6 at points 11 in tangential contact lies to the cone wall 10.
- the longitudinal axis of the key is aligned with the locking channel axis in this position.
- the key 1 can be kept the tangential contact of the flanks 6 to the cone wall 10 swiveled by a broadside swivel range alpha become. Becomes the critical angle of the broadside swivel range Alpha reached (Fig. 7), so is the broadside center line 7 swiveled by the angle alpha Key channel axis 10.
- the broadside swivel range is alpha, inside whose two flanks 6 are in tangential system 11 to the cone wall 10, the key 1 be rotated around its key axis until it reaches its has correct orientation to key channel 3.
- This position can be determined by the bevel angle selected Omega inserted the tip of key 1 into the locking channel the edge of the key channel 3 runs on the chamfer 9. This has the consequence that the further insertion of the key 1 into the Key channel 3 aligns the key in such a way that the narrow side swivel angle beta is reduced, until the key longitudinal central axis with the locking channel axis 16 escapes.
- the swivel angle remains from the longitudinal axis of the key to the locking channel axis 16 essentially preserved, so that after Pivoting the key longitudinal central axis in a pivot position to the locking channel axis 16 is such that the angle between the closing channel axis 16 and Narrow-side center line 13 within a narrow-side swivel range beta lies.
- beta can according to the chamfer 9 to a width S 1 narrowed tip 5 of the Key 1 enter key channel 3. Since the Tip of the conical opening 4 in the middle of the Locking channel 3 lies, the key 1 is opposite the locking channel 3 also centered, so that the escape position for profiling is reached.
- FIGS. 10 to 12 has the conical opening 4 in the outer Range an opening angle of 110 °.
- an inner cone 17 In the center of the Opening 4 is an inner cone 17. Whose Opening angle is 90 °.
- the inner cone 17 has the Oval shape. During the circular diameter the outer edge of the cone is 9 mm, the smallest Inner cone diameter 4 mm. The maximum diameter the inner edge of the cone is 5.5 mm. according to the oval contour of the inner cone 17 goes this in some areas with the formation of an edge 18 in the Wall of the outer cone 4 over. In the area of the narrow sides the inner cone 17 is under training a level 19 in the outer cone 4.
- the inner cone is created using a conical cutter. This becomes when it reaches its immersion depth has reached along the key channel 3 move so that the oval contour of the inner Cone 17 results.
Landscapes
- Lock And Its Accessories (AREA)
- Chairs Characterized By Structure (AREA)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
- Refuge Islands, Traffic Blockers, Or Guard Fence (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
- Electrophonic Musical Instruments (AREA)
- Mutual Connection Of Rods And Tubes (AREA)
- Pens And Brushes (AREA)
- Fluid-Damping Devices (AREA)
- Chairs For Special Purposes, Such As Reclining Chairs (AREA)
Abstract
Description
Die Erfindung betrifft eine Schließvorrichtung gemäß
Gattungsbegriff des Anspruchs 1 sowie den zugehörigen
Schlüssel.The invention relates to a locking device according to
Generic term of
Eine Schließvorrichtung mit Schließzylinder und zugehörigem Schlüssel, insbesondere Wende-Flachschlüssel ist im Stand der Technik bekannt (z.B. aus DE-U-295 10 153). Dabei besitzt der Zylinderkern des Schließzylinders einen zur Zylinderstirnseite hin offenen, mit Profilrippen/-nuten versehenen Schlüsselkanal. In dessen Mitte liegt die Spitze einer zur Zylinderstirnseite sich öffnenden konischen Öffnung. Der Schlüssel bildet an seinem einsteckseitigen Ende eine Spitze mit bogenlinienförmigen Flanken aus. Die Kombination konische Öffnung und Spitze mit bogenförmigen Flanken soll die Einführung des Schlüssels in den Schlüsselkanal erleichtern. Das Einführen des Schlüssels ist insbesondere bei Wendeflachschlüsseln mit engen Profilrippen/-nuten kompliziert. Zufolge der eng benachbart liegenden Profilierungen muß der Schlüssel ohne große Abweichung von der genauen Fluchtlage eingesteckt werden. Derartig profilierte Schließsysteme erlauben darüber hinaus kaum größere Neigungsstellungen der Schlüsselachse zur Schlüsselkanalachse.A locking device with locking cylinder and associated Key, in particular reversible flat key known in the prior art (e.g. from DE-U-295 10 153). The cylinder core has of the lock cylinder one to the cylinder face open towards, provided with profile ribs / grooves Keyway. In the middle is the tip of one to the cylinder face opening conical opening. The key forms on its insert side End of a point with curved lines. The combination of conical opening and tip with arcuate The introduction of the key in facilitate the key channel. Introducing the The key is particularly in the case of reversible flat keys complicated with narrow profile ribs / grooves. According to the the key must be closely adjacent profiles without much deviation from the exact escape situation be plugged in. Locking systems profiled in this way also hardly allow larger inclinations the key axis to the key channel axis.
Im Stand der Technik wird auch eine Lösung vorgeschlagen, bei der die Schlüsselspitze nicht gerundet ist, sondern eine durch zwei gerade Flanken ausgebildete Spitze besitzt.A solution is also proposed in the prior art, where the key tip is not rounded, but one formed by two straight flanks Owns lace.
Der Erfindung liegt die Aufgabe zugrunde, das Einführen eines Schlüssels in den Schlüsselkanal zu erleichtern. The invention has for its object the introduction to facilitate a key in the key channel.
Gelöst wird die Aufgabe durch die in den Ansprüchen angegebene Erfindung.The task is solved by the in the claims specified invention.
Die Lösung des Anspruchs 1 sieht im wesentlichen vor,
daß die Spitze von zwei Bogenlinien gebildet ist, deren
Schnittpunkt in der Schlüsselbreitseitenmitte liegt,
und der Tangentialwinkel im Schnittpunkt größer ist,
als der Öffnungswinkel der Konusöffnung, wobei die
Bogenlinien zu den sich gegenüberliegenden Breitseiten
Fasen aufweisen mit einem Fasenwinkel, der kleiner ist,
als der Öffnungswinkel der Konusöffnung. Die konusförmige
Öffnung bildet eine Art Trichter aus, der in den
Schlüsselkanal mündet. In diesem Trichter wird der
Schlüssel eingesteckt. Im allgemeinen fluchtet die
Schlüsselachse nicht mit der Schließkanalachse. Die
Schlüsselachse liegt vielmehr um einen Neigungswinkel
verkippt zur Schlüsselkanalachse. Ebenso ist der
Schlüsselschaft um einen Drehwinkel verdreht zur Schlüsselkanalorientierung.
In der Verdrehtstellung berühren
die Bogenlinien innerhalb eines Breitseiten-Schwenkbereichs
die Konuswandung tangential. Dieser Breitseiten-Schwenkbereich
ist begrenzt durch die Schwenkposition,
in welcher die vom Schnittpunkt der Bogenlinie
ausgebildete Spitze des Schlüsselschaftes in berührende
Anlage tritt zu der Konuswandung. Innerhalb des Breitseiten-Schwenkbereiches
ist die Schlüsselspitze
beabstandet zur Spitze des Konus und ragt dort berührungsfrei
ein. Der Schlüssel kann auch um einen Schmalseiten-Schwenkbereich
gegenüber der Schließkanalachse
verschwenkt sein. Der Schmalseiten-Schwenkbereich ist
begrenzt durch den Fasenwinkel. Innerhalb des Schmalseiten-Schwenkbereiches
kann der Schlüssel mit seiner
Spitze im Konus einliegend so weit verschwenkt werden,
bis die Fasen in berührende Anlage treten zur Konuswandung.
Wird der Schlüssel verdreht zur Schlüsselkanal-Orientierung
in den Konus hineingesteckt, so vereinfacht
sich durch die Geometrie das Verschwenken bis in
den oben definierten Breitseiten-Schwenkbereich. Der
Benutzer fühlt den Schwenkwinkel, in welchem die Spitze
die berührende Anlage an der Konuswandung verläßt.
Befindet er sich in diesem Breitseiten-Schwenkbereich
und dreht den Schlüssel, so findet die Schlüsselspitze
ihre richtige zentrische Position zum Schließkanal und
kann bei richtiger Drehorientierung zufolge der Fasen
in den Schließkanal eingesteckt werden. Die dann in
Wirkung tretenden Schrägen der Fase bewirken ein Aufrichten
des Schlüssels bis in die Fluchtlage. Wird der
Schlüssel aus einer Position, in welcher die Schlüsselachse
im Breitseiten-Schwenkbereich liegt, gedreht bis
die korrekte Drehorientierung erreicht ist, so liegt
auch die Orientierung der Schmalseite im Schmalseiten-Schwenkbereich.
Dies bedeutet, daß in dieser Position
nur die Stirnkanten der Flanke an der Konuswandung
anliegen. In einer bevorzugten Ausgestaltung ist der
Fasenwinkel etwa um 15 bis 25° größer, als der halbe
Konusöffnungswinkel. Die Stärke des ungefasten Flankenabschnitts
beträgt etwa die Hälfte bis ein Drittel der
Schmalseitenstärke. Dies hat zur Folge, daß der in der
richtigen Orientierungslage sich befindende Schlüssel
dann beim weiteren Einschieben in dem Schlüsselkanal
fast selbsttätig aus der Neigungslage in die Fluchtlage
geschwenkt wird, wenn seine Neigungslage innerhalb des
Schmalseiten-Schwenkbereiches liegt. Die Bogenlinien
sind vorzugsweise Kreisbögen. Die Zentren liegen in
der Schlüsselbreitseite und sind um einen Abstand von
der Breitseiten-Mittellinie entfernt. Dieser Abstand
entspricht etwa 30 bis 35 % der Schlüsselbreitseitenstärke.
Ferner beträgt der Radius der Bogenseite bevorzugt
etwa 105 bis 110 % der Stärke der Schlüsselbreitseite.
Der Durchmesser der Konusöffnung ist vorzugsweise
kleiner als die Schlüsselbreitseitenstärke. Der
Konuswinkel, also der Öffnungswinkel der trichterförmigen
Öffnung beträgt vorzugsweise etwa 110°. Eine Weiterbildung
der Erfindung betrifft die Konusöffnung des
Zylinderkernes. Der Öffnungswinkel der konischen Öffnung
ist öffnungsaußenseitig größer, als in der Öffnungsmitte.
Bevorzugt bildet die Öffnung einen inneren
Konus aus mit einem geringeren Konusöffnungswinkel, als
der äußere Konus. Gemäß einer Weiterbildung besitzt der
Innenkonus eine Ovalform. Das Oval ist längsgerichtet
zum Schlüsselkanal. Hierdurch entsteht im Bereich des
Schlüsselkanales ein stufenförmiger Übergang der beiden
Konuswände zueinander. In Querrichtung dazu ist der
Ãœbergang als Kante ausgebildet. Bevorzugt liegt der
Öffnungswinkel des spitzeren, inneren Konus bei 90°.The solution of
Die Erfindung betrifft insbesondere auch einen Schlüssel für die beschriebene Schließvorrichtung.The invention particularly also relates to a key for the described locking device.
Ein Ausführungsbeispiel der Erfindung wird anhand beigefügter Zeichnungen erläutert. Es zeigen:
- Fig. 1
- einen erfindungsgemäßen Schlüssel in schematischer Darstellung in der Draufsicht,
- Fig. 2
- einen Schlüssel gemäß Fig. 1 in der Seitenansicht,
- Fig. 3
- die schematische Darstellung eines Zylinderkernes eines erfindungsgemäßen Schließzylinders in der Ansicht,
- Fig. 4
- eine Darstellung gemäß Fig. 3 mit um 90° verdrehter Blickrichtung,
- Fig. 5
- eine Frontalansicht des Schließzylinderkerns,
- Fig. 6
- eine schematische Darstellung des um etwa 90° verdreht zur Orientierung des Schließkanals in der Konusöffnung liegenden Schlüsselspitze mit Blick auf die Breitseite,
- Fig. 7
- die Grenzdarstellung des Breitseiten-Schwenkbereichs Alpha,
- Fig. 8
- die Schmalseitenansicht eines in Fluchtlage zur Schließkanalachse mit der Spitze in den Konus eingetauchten Schlüssels,
- Fig. 9
- den Grenzbereich des Schmalseiten-Schwenkbereichs,
- Fig. 10
- eine Draufsicht auf die Stirnseite eines Schließzylinderkernes eines zweiten Ausführungsbeispieles,
- Fig. 11
- eine Seitenansicht mit teilaufgeschnittener Konusöffnung und
- Fig. 12
- eine um 90° gedrehte Seitenansicht im Längsschnitt durch den Schlüsselkanal teilweise aufgebrochen.
- Fig. 1
- a key according to the invention in a schematic representation in plan view,
- Fig. 2
- 1 in a side view,
- Fig. 3
- the schematic representation of a cylinder core of a lock cylinder according to the invention in the view,
- Fig. 4
- 3 with a viewing direction rotated by 90 °,
- Fig. 5
- a front view of the lock cylinder core,
- Fig. 6
- 1 shows a schematic representation of the key tip which is rotated by approximately 90 ° to orient the locking channel in the cone opening, with a view of the broad side,
- Fig. 7
- the boundary representation of the broadside swivel range alpha,
- Fig. 8
- the narrow side view of a key immersed in the alignment to the locking channel axis with the tip in the cone,
- Fig. 9
- the limit range of the narrow side swivel range,
- Fig. 10
- 3 shows a plan view of the end face of a lock cylinder core of a second exemplary embodiment,
- Fig. 11
- a side view with partially cut open cone and
- Fig. 12
- a side view rotated by 90 ° in longitudinal section through the key channel partially broken.
Der Schlüssel 1 besitzt eine Schlüsselreide 14 und eine
dieser Reide 14 gegenüberliegende Spitze 5. Die Spitze
5 liegt in der Breitseitenmitte 7. Flankiert ist die
Spitze 5 von bogenlinienförmigen Flanken 6. Die Flanken
6 werden generiert von Kreisbögen, die mit einem
Radius R um das Bogenzentrum 12 geschlagen sind. Die
Bogenzentren 12 liegen in der Schlüsselbreitseite 8,
und zwar jeweils um einen Abstand A beabstandet von der
Breitseiten-Mittellinie 7. Der Abstand A beträgt 30
bis 35 % der Breite B der Schlüsselbreitseite.The
Die Bogenlinien 6 schneiden sich in der Spitze 5 derart,
daß der Tangentenwinkel Delta der Bogenlinien 6 im
Schnittpunkt 5 größer ist, als der Öffnungswinkel My
einer Konusöffnung 4, die auf der Stirnseite eines
Kernes 3 eines Schließzylinders liegt.The arc lines 6 intersect in the
Wie am besten aus der Fig. 2 zu ersehen ist, bildet die
Bogenlinie 6 einen von den Breitseiten 8 beabstandeten
Flankenstirnabschnitt. Dieser bogenförmige Stirnabschnitt
hat eine Breite S 1 und eine Ausrichtung quer
zur Flächenerstreckung der Breitseitenflächen 8. Die
Stärke dieses Flankenstirnabschnittes ist etwa die
Hälfte bis ein Drittel der Schmalseitenstärke S. Dieser
Flankenstirnabschnitt geht unter Ausbildung einer
Fase 9 in die Breitseite 8 über. Der Fasenwinkel Omega
ist kleiner, als die Hälfte des Konuswinkels My. Der
Konuswinkel My beträgt etwa 110°. Der Fasenwinkel
Omega ist etwa um 15 bis 25° größer als der halbe Konuswinkel
My. Die Stärke der Fasen 9 sind auf jeder der
beiden Schlüsselbreitseiten 8 gleich groß. Dies bedeutet,
daß die Fasen 9 jeweils gleich beabstandet sind zu
der Schmalseitenmitte 13.As can best be seen from FIG. 2, the
Arc line 6 a spaced from the
In den Fig. 6 bis 9 ist schematisch dargestellt, welche
Positionen der Schlüssel 1 innerhalb der Konusöffnung 4
einnehmen kann. In der Fig. 6 ist der Schlüssel 1
quergestellt zur Schließkanalorientierung so gegen die
Konuswandung 10 mit seiner Flanke 6 gestellt, daß die
Stirnseite der Flanke 6 an den Stellen 11 in Tangentialanlage
liegt zur Konuswandung 10. Die Schlüssellängsmittelachse
fluchtet in dieser Position mit der Schließkanalachse.
Der Schlüssel 1 kann unter Beibehaltung
der Tangentialanlage der Flanken 6 zur Konuswandung 10
um einen Breitseiten-Schwenkbereich Alpha verschwenkt
werden. Wird der Grenzwinkel des Breitseiten-Schwenkbereichs
Alpha erreicht (Fig. 7), so liegt die Breitseiten-Mittellinie
7 um den Winkel Alpha verschwenkt zur
Schlüsselkanalachse 10. In dieser Position liegt die
Spitze 5 des Schlüssels in berührender Anlage zur Konuswandung
10. Bei dieser Stellung gibt es nur einen
Tangentialanlagepunkt 11 der Flanke 6 an der Konuswandung
10. Wird der Schlüssel aus dieser Position in zu
einem größeren Schwenkwinkel Alpha verschwenkt, so
gleitet die Spitze 5 auf der Konuswandung hin zum Konusöffnungsrand.6 to 9 shows schematically which one
Positions of the
Wird der Schlüssel 7 aus einer derartigen Stellung mit
einem größeren Schwenkwinkel Alpha über die in Fig. 7
dargestellte Position zu kleineren Winkeln Alpha
verschwenkt, so ist der in Fig. 7 dargestellte Ãœbergangspunkt
zum Eintritt in den Breitseiten-Schwenkbereich
fühlbar. Die Schlüsselspitze 5 nähert sich dabei
der Spitze der konusförmigen Öffnung 4 an.Is the key 7 from such a position
a larger swivel angle alpha over that in FIG. 7
position shown at smaller angles alpha
pivoted, so is the transition point shown in Fig. 7
to enter the broadside swivel area
palpable. The
Ist der Breitseiten-Schwenkbereich Alpha, innerhalb
dessen beide Flanken 6 in Tangentialanlage 11 stehen
zur Konuswandung 10, erreicht, so kann der Schlüssel 1
um seine Schlüsselachse gedreht werden, bis er seine
richtige Orientierung zum Schlüsselkanal 3 besitzt. In
dieser Position kann zufolge des gewählten Fasenwinkels
Omega die Spitze des Schlüssels 1 im Schließkanal eingesteckt
werden, wobei die Randkante des Schlüsselkanals
3 auf der Fase 9 aufläuft. Dies hat zur Folge, daß
sich beim weiteren Einschieben des Schlüssels 1 in den
Schlüsselkanal 3 der Schlüssel ausrichtet derart, daß
der Schmalseiten-Schwenkwinkel Beta sich verkleinert,
bis die Schlüssellängsmittelachse mit der Schließkanalachse
16 fluchtet.The broadside swivel range is alpha, inside
whose two
In Fig. 8 ist eine Einsteckstellung des Schlüssels 1
dargestellt, in welcher die Schmalseiten-Mittellinie 13
nicht gegenüber der Schließkanalachse 16 verschwenkt
ist. Die maximal zulässige Verschwenkung, die durch
die Wahl des Fasenwinkels Omega ermöglicht ist, ist in
der Fig. 9 dargestellt. Diese Schwenkstellung definiert
den Grenzwinkel des Schmalseiten-Schwenkbereichs
Beta, innerhalb welchem eine Randkante 6' der Flanke 6
noch in Anlage liegt zur Konuswandung 10.8 is an insertion position of the key 1
shown in which the narrow side center line 13th
not pivoted relative to the locking
Zufolge der erfindungsgemäßen Bemaßung der bogenlinienförmigen
Flanken 6 des Endes des Schlüssels 1 in Bezug
auf den Öffnungswinkel My der konischen Öffnung 4 ist
eine besondere Einschuberleichterung gegeben. Der in
der Regel verdreht zur Schlüsselkanalorientierung eingesteckte
Schlüssel wird zunächst in eine Schwenkstellung
gebracht, in welcher die Schlüsselachse innerhalb eines
Breitseiten-Schwenkbereiches Alpha zur Schließkanalachse
16 liegt. Das Erreichen dieses Bereiches ist fühlbar.
Dann wird der Schlüssel 1 gegenüber dem Zylinderkern
2 gedreht, bis seine Orientierung zum Schlüsselkanal
3 stimmt. Bei dieser Verdrehung bleibt der Schwenkwinkel
von Schlüssellängsmittelachse zur Schließkanalachse
16 im wesentlichen erhalten, so daß nach erfolgter
Verschwenkung die Schlüssellängsmittelachse in
einer Schwenklage zur Schließkanalachse 16 liegt derart,
daß der Winkel zwischen Schließkanalachse 16 und
Schmalseiten-Mittellinie 13 innerhalb eines Schmalseiten-Schwenkbereiches
beta liegt. Innerhalb des Schmalseiten-Schwenkbereiches
beta kann die zufolge der Fasen
9 bis auf eine Breite S 1 verschmälerte Spitze 5 des
Schlüssels 1 in den Schlüsselkanal 3 eintreten. Da die
Spitze der konusförmigen Öffnung 4 in der Mitte des
Schließkanals 3 liegt, ist der Schlüssel 1 gegenüber
dem Schließkanal 3 auch zentriert, so daß die Fluchtlage
zur Profilierung erreicht ist.Due to the dimensioning of the curved lines according to the
Bei dem in den Fig. 10 bis 12 dargestellten Ausführungsbeispiel
besitzt die konusförmige Öffnung 4 im äußeren
Bereich einen Öffnungswinkel von 110°. Im Zentrum der
Öffnung 4 befindet sich ein innerer Konus 17. Dessen
Öffnungswinkel beträgt 90°. Der innere Konus 17 hat die
Form eines Ovals. Während der kreisrunde Durchmesser
des äußeren Konusrandes 9 mm beträgt, beträgt der kleinste
Durchmesser des Innenkonus 4 mm. Der maximale Durchmesser
des inneren Konusrandes beträgt 5,5 mm. Zufolge
der ovalen Umrißkontur des inneren Konus 17 geht dieser
bereichsweise unter Ausbildung einer Kante 18 in die
Wandung des äußeren Konus 4 über. Im Bereich der Schmalseiten
des inneren Konus 17 geht dieser unter Ausbildung
einer Stufe 19 in den äußeren Konus 4 über.In the embodiment shown in FIGS. 10 to 12
has the
Die Erzeugung des inneren Konus erfolgt mittels eines
konischen Fräsers. Dieser wird, wenn er seine Eintauchtiefe
erreicht hat, entlang des Schlüsselkanales 3
verfahren, so daß sich die ovale Kontur des inneren
Konus 17 ergibt.The inner cone is created using a
conical cutter. This becomes when it reaches its immersion depth
has reached along the
Alle offenbarten Merkmale sind erfindungswesentlich. In die Offenbarung der Anmeldung wird hiermit auch der Offenbarungsinhalt der zugehörigen/beigefügten Prioritätsunterlagen (Abschrift der Voranmeldung) vollinhaltlich mit einbezogen, auch zu dem Zweck, Merkmale dieser Unterlagen in Ansprüche vorliegender Anmeldung mit aufzunehmen.All disclosed features are essential to the invention. The disclosure of the application is hereby also the Disclosure content of the associated / attached priority documents (Copy of the pre-registration) in full included, also for the purpose, characteristics of this Documents in claims of the present registration with take.
Claims (14)
- Locking arrangement having a lock cylinder with associated key (1), in particular flat turning key, the cylinder core (2) of the lock cylinder having a keyway (3) which is open in the direction of the end face of the cylinder, is provided with profile ribs/grooves and in the centre of which the vertex of a conical opening (4), which opens in the direction of the end face of the cylinder, is located, the key (1), at its insertion end, defining a tip (5) with flanks (6) in the form of arcuate lines, characterised in that the tip (5) is defined by two arcuate lines (6), the point of intersection of which is located in the broad-side centre (7) of the key, and the tangent angle (delta) at the point of intersection (5) is greater than the vertex angle (My) of the cone opening (4), the arcuate lines (6) having bevels (9), in the direction of the mutually opposite broad sides (8), the bevels (9) having a bevel angle (omega) which is less than the vertex angle (My) of the cone opening (4).
- Locking arrangement according to Claim 1, characterised in that the narrow-side pivoting region (beta), which is made possible by the difference between vertex angle (My) and bevel angle (omega), is equal to, or preferably greater than, the broad-side pivoting region (alpha), within which the arcuate lines (6) are in tangential engagement (11) against the cone wall (10).
- Locking arrangement according to one or more of the preceding claims, characterised in that the bevel angle (omega) is approximately 15° to 25° greater than half the vertex angle (My) of the cone.
- Locking arrangement according to one or more of the preceding claims, characterised in that the thickness of the non-bevelled flank section (S1) corresponds approximately to half to a third of the narrow-side thickness (S).
- Locking arrangement according to one or more of the preceding claims, characterised in that the arcuate lines (6) are circle arcs, the centres (12) of which are located in the broad side (8) of the key and are spaced apart from the broad-side centre line (7) in each case by a distance (A), which corresponds to 30 to 35% of the broad-side thickness (B) of the key.
- Locking arrangement according to one or more of the preceding claims, characterised in that the radius (R) of the arcuate lines (6) corresponds approximately to 105 to 110% of the broad-side thickness (B) of the key.
- Locking arrangement according to one or more of the preceding claims, characterised in that the diameter (D) of the cone opening (4) is less than the broad-side thickness (B) of the key.
- Locking arrangement according to one or more of the preceding claims, characterised in that the vertex angle (My) of the cone is approximately 110°.
- Locking arrangement according to one or more of the preceding claims, characterised in that the vertex angle of the conical opening (4) is greater on the outside of the opening than in the centre of the opening.
- Locking arrangement according to one or more of the preceding claims, characterised in that the opening (4) forms an inner cone (17) with a smaller vertex angle.
- Locking arrangement according to one or more of the preceding claims, characterised in that the inner cone (17) is has the shape of an oval which is directed longitudinally in relation to the keyway (3).
- Key for a locking arrangement, according to one of the preceding claims, the key at its insertion end, defining a tip (5) with flanks (6) in the form of arcuate lines, characterised in that the tip (5) is defined by two arcuate lines (6), the point of intersection of which is located in the broad-side centre (7) of the key, and the tangent angle (delta) at the point of intersection (5) is greater than 110°, the arcuate lines (6) having bevels, in the direction of the mutually opposite broad sides (8), the bevels having a bevel angle (omega) which is less than the tangent angle (delta).
- Lock cylinder for a locking arrangement, according to one of the preceding claims, the core (2) of the lock cylinder having a keyway (3) which is open in the direction of the end face of the cylinder, is provided with profile ribs/grooves and in the centre of which the vertex of a conical opening (4), which opens in the direction of the end face of the cylinder, is located, characterised in that the vertex angle of the conical opening (4) is greater on the outside of the opening than in the centre of the opening.
- Lock cylinder according to Claim 13, characterised in that the inner cone has the shape of an oval, which is directed longitudinally in relation to the keyway (3).
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19921454 | 1999-05-08 | ||
DE19921454 | 1999-05-08 | ||
DE10000194 | 2000-01-05 | ||
DE10000194A DE10000194A1 (en) | 1999-05-08 | 2000-01-05 | Key and lock cylinder combination has a conical opening leading to the lock barrel and with a shaped tip for the key to guide the key into the lock from a tilted position |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1057951A1 EP1057951A1 (en) | 2000-12-06 |
EP1057951B1 true EP1057951B1 (en) | 2002-05-22 |
Family
ID=26003742
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP20000105780 Expired - Lifetime EP1057951B1 (en) | 1999-05-08 | 2000-03-18 | Locking mechanism comprising a cylinder lock and a key for such a lock |
Country Status (12)
Country | Link |
---|---|
US (1) | US6374654B1 (en) |
EP (1) | EP1057951B1 (en) |
CN (1) | CN1153879C (en) |
AT (1) | ATE217934T1 (en) |
CA (1) | CA2307795C (en) |
CZ (1) | CZ298307B6 (en) |
DK (1) | DK1057951T3 (en) |
ES (1) | ES2173835T3 (en) |
HK (1) | HK1029824A1 (en) |
NL (1) | NL1014746C1 (en) |
PL (1) | PL196927B1 (en) |
PT (1) | PT1057951E (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102008000034A1 (en) * | 2008-01-10 | 2009-07-16 | Aug. Winkhaus Gmbh & Co. Kg | Key for a lock cylinder |
CN104372991A (en) * | 2014-10-20 | 2015-02-25 | 赵战西 | Key and anti-theft lock |
Family Cites Families (23)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE380476C (en) * | 1923-09-07 | Hans Spruth Dipl Ing | Mortise wrench for locks with washer-shaped tumblers | |
US437939A (en) * | 1890-10-07 | Henry b | ||
US688052A (en) * | 1901-06-17 | 1901-12-03 | Eagle Lock Co | Desk-lock. |
US748394A (en) * | 1903-04-20 | 1903-12-29 | Henry Philipp Martin | Service-box cover. |
US2598376A (en) * | 1951-05-28 | 1952-05-27 | Heinz Bernard | Luminous attachment for door locks |
US3352135A (en) * | 1965-08-24 | 1967-11-14 | Nat Lock Co | Plate tumbler plugs |
CH606714A5 (en) * | 1976-05-20 | 1978-11-15 | Bauer Kaba Ag | |
EP0115568B1 (en) * | 1983-02-04 | 1987-12-23 | EVVA - Werk Spezialerzeugung von Zylinder-und Sicherheitsschlössern Gesellschaft m.b.H. & Co. Kommanditgesellschaft | Cylinder lock with a cylinder housing and a cylinder core, as well as a key |
FI81429C (en) * | 1985-04-11 | 1990-10-10 | Waertsilae Oy Ab | A cylinder lock-key-combination |
DE3713364A1 (en) * | 1987-04-21 | 1988-11-10 | Ludwig Schiele | Key-funnel device for the easier insertion of flat keys into the lock cylinder |
US5088306A (en) * | 1989-10-31 | 1992-02-18 | Medeco Security Locks, Inc. | Cylinder lock with changeable keyway |
CH681242A5 (en) * | 1990-01-17 | 1993-02-15 | Ernst Keller | |
US5076081A (en) * | 1990-07-06 | 1991-12-31 | Lori Corporation | Key for interchangable core lock |
DE9116569U1 (en) * | 1991-07-27 | 1993-03-25 | DOM Sicherheitstechnik GmbH & Co KG, 5040 Brühl | Locking device consisting of key and locking cylinder |
FR2684713B1 (en) * | 1991-12-09 | 1995-10-13 | Antivols Simplex Sa | TOOTHED WRENCH, ESPECIALLY FOR A MOTOR VEHICLE LOCK OR ANTI-THEFT DEVICE. |
FI94452C (en) * | 1993-03-25 | 1995-09-11 | Abloy Security Ltd Oy | A cylinder lock-key-combination |
NO932544D0 (en) * | 1993-07-13 | 1993-07-13 | Trioving As | lock cylinder |
SE505885C2 (en) * | 1993-12-30 | 1997-10-20 | Bo Widen | Cylinder lock-key combination, key, key blank and lock included in the combination |
US5477713A (en) * | 1994-03-29 | 1995-12-26 | Edward Roddy, III | Key orientation system |
SE505780C2 (en) * | 1994-07-28 | 1997-10-06 | Assa Ab | Cylinder lock / key combination as well as key and key blank |
DE29510153U1 (en) * | 1995-06-22 | 1995-08-31 | Golub, Danijel, 76185 Karlsruhe | Cylinder locks with driver and security key |
FR2745843B1 (en) * | 1996-03-07 | 1998-04-17 | Fichet Bauche | KEY FOR LOCK BARREL AND MANEUVERABLE LOCK BARREL WITH SAID KEY |
DE19707932C2 (en) * | 1997-02-27 | 2000-03-02 | Schulte C E Gmbh | Flat key for locking cylinders of a locking system equipped with tumblers |
-
2000
- 2000-03-18 ES ES00105780T patent/ES2173835T3/en not_active Expired - Lifetime
- 2000-03-18 AT AT00105780T patent/ATE217934T1/en active
- 2000-03-18 PT PT00105780T patent/PT1057951E/en unknown
- 2000-03-18 DK DK00105780T patent/DK1057951T3/en active
- 2000-03-18 EP EP20000105780 patent/EP1057951B1/en not_active Expired - Lifetime
- 2000-03-24 NL NL1014746A patent/NL1014746C1/en not_active IP Right Cessation
- 2000-05-03 CZ CZ20001634A patent/CZ298307B6/en not_active IP Right Cessation
- 2000-05-04 PL PL339993A patent/PL196927B1/en unknown
- 2000-05-04 CA CA 2307795 patent/CA2307795C/en not_active Expired - Fee Related
- 2000-05-05 US US09/565,845 patent/US6374654B1/en not_active Expired - Fee Related
- 2000-05-08 CN CNB001181599A patent/CN1153879C/en not_active Expired - Lifetime
-
2001
- 2001-01-27 HK HK01100599A patent/HK1029824A1/en not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
EP1057951A1 (en) | 2000-12-06 |
PT1057951E (en) | 2002-10-31 |
CZ298307B6 (en) | 2007-08-22 |
PL196927B1 (en) | 2008-02-29 |
CN1153879C (en) | 2004-06-16 |
NL1014746C1 (en) | 2000-11-09 |
US6374654B1 (en) | 2002-04-23 |
CA2307795A1 (en) | 2000-11-08 |
PL339993A1 (en) | 2000-11-20 |
CN1274037A (en) | 2000-11-22 |
DK1057951T3 (en) | 2002-09-16 |
CA2307795C (en) | 2008-01-15 |
ES2173835T3 (en) | 2002-11-01 |
ATE217934T1 (en) | 2002-06-15 |
HK1029824A1 (en) | 2001-04-12 |
CZ20001634A3 (en) | 2000-12-13 |
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