EP3280855A1 - Clé et cylindre de serrure rotatif - Google Patents

Clé et cylindre de serrure rotatif

Info

Publication number
EP3280855A1
EP3280855A1 EP16715320.4A EP16715320A EP3280855A1 EP 3280855 A1 EP3280855 A1 EP 3280855A1 EP 16715320 A EP16715320 A EP 16715320A EP 3280855 A1 EP3280855 A1 EP 3280855A1
Authority
EP
European Patent Office
Prior art keywords
key
lock cylinder
control
rotary lock
recess
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
EP16715320.4A
Other languages
German (de)
English (en)
Other versions
EP3280855B1 (fr
Inventor
Daniel WITTICH
Detlef Sprenger
Thomas Wild
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.)
Assa Abloy Schweiz AG
Original Assignee
Assa Abloy Schweiz AG
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 Assa Abloy Schweiz AG filed Critical Assa Abloy Schweiz AG
Publication of EP3280855A1 publication Critical patent/EP3280855A1/fr
Application granted granted Critical
Publication of EP3280855B1 publication Critical patent/EP3280855B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B35/00—Locks for use with special keys or a plurality of keys ; keys therefor
    • E05B35/003—Locks for use with special keys or a plurality of keys ; keys therefor for keys with movable bits

Definitions

  • the present invention relates to a key according to the preamble of claim 1 and a rotary key cylinder with the key according to the preamble of claim 13.
  • PRIOR ART EP 0 621 384 discloses a key with a suitable rotary lock cylinder.
  • a control is arranged, which cooperates with an additional locking of the rotor.
  • EP 0 621 384 Although the keys and rotary lock cylinders according to EP 0 621 384 are considered to be particularly tamper-resistant, it is a need of many to further increase the security against copying such a key or rotary lock cylinder by further increasing the security of the query. Another disadvantage of EP 0 621 384 is that the permutation possibilities are limited. PRESENTATION OF THE INVENTION
  • the invention has for its object to provide a key which overcomes the disadvantages of the prior art.
  • the key should offer greater security with regard to manipulation attempts.
  • the copy security of such a key should be further increased.
  • This task triggers a key according to claim 1.
  • a key for a rotary lock cylinder includes a key for a rotary lock cylinder, a key handle and a key shank adjoining the key handle, which extends along a longitudinal axis.
  • the key shank comprises on its outer side control recesses, in particular control bores, for the arrangement of tumblers on the rotary-key cylinder and at least one control element movably arranged in the key shank, which control element has a control surface co-operating with a tumbler of the rotary-key cylinder.
  • the key shank has a recess, which is designed such that an arrangement element of the rotary lock cylinder can act on the control by the recess during insertion of the key in the rotary lock cylinder, such that the control element with respect to the key shank is movable and the tumbler can be brought into the release position is.
  • the control of the key is movable by cooperation with the Ein glovesselement to classify a tumbler of the rotary lock cylinder from a starting position with respect to the key shaft to the outside in a Ein glovesslage. The control is thus moved out of the key shaft and protrudes in the Ein effetslage preferably in the rotary lock cylinder.
  • control element is as far forward, so far away from the key handle, arranged so that the weakening of the key cross section through the recess and the control remains as small as possible.
  • the control element preferably has an inner control surface opposite the control surface, which cooperates with the said arrangement element of the rotary-lock cylinder.
  • the ordering element interacts with the control via the inner control surface.
  • the inner control surface protrudes at least in the starting position in the recess.
  • the recess extends from the tip of the key shank in the direction of the longitudinal axis in the key shank. During the insertion of the key into the keyway, the recess is moved relative to the arrangement element and thus the latter is received by the recess.
  • the recess extends from the outside of the key shank into the key shank.
  • the recess is open from the broad side of the key shank. In this way, a particularly good access can be created for the classification element under the condition of the smallest possible weakening of the key cross-section.
  • the recess can be milled, for example.
  • the recess has a groove, wherein the groove, viewed transversely to the longitudinal axis, preferably has a constant cross section.
  • the groove may also have a variable cross-section, for example in the form of a trapezoid.
  • the groove extends from the tip of the key shank all the way to the control. When inserting the groove is guided along the Einssensiatas.
  • the recess and the control are vorzuweise arranged in the region of the tip of the key shank.
  • the control element is particularly preferably arranged immediately after the tip of the key shaft. That is, the control is, as seen from the key tip ago, arranged vorstest in the region of the key shank, which has a constant cross-section.
  • the control is therefore preferably directly at the transition between the key tip and key shank.
  • the recess is arranged offset to a center plane, which Middle plane is located centrally to the two narrow sides of the key shank.
  • Middle plane is located centrally to the two narrow sides of the key shank.
  • a respective recess is arranged on each broad side of the key shank. Broad sides are defined as the sides of the key shank that are widest across the longitudinal axis.
  • the arrangement of two recesses, the key can be designed as a reversible key.
  • the two recesses are arranged such that, depending on the position of the key in the rotary locking cylinder, the one recess or the other recess cooperates with the control.
  • control per recess there is one control per recess.
  • the number of controls preferably corresponds to the number of arrangement elements on the rotary lock cylinder.
  • more than one control per recess may be present.
  • the depth of the recess corresponds to a maximum of half the thickness of the key shank viewed at right angles to the broad side of the key shank.
  • the key shaft is not weakened unnecessarily.
  • control is arranged in a bore in the key shaft, wherein the recess opens into the bore. This allows the Ein guysselement protrude through the recess in the hole.
  • a bore extends from one of the narrow sides into the key shank and a further bore extends from the other of the narrow sides into the key shank, with one recess in each case one of the holes opens.
  • This configuration is advantageous in reversible keys.
  • Per hole is advantageously provided a recess.
  • the control comprises a arranged in a bore or in the key bolt and spring element, in particular a compression spring which spring element acts on the bolt with a force that pushes the control from the key shaft seen inward, wherein the bolt said control surface or having said control surfaces.
  • the bolt is preferably arranged such that the control surface for the arrangement of the tumbler is flush with the outside of the key shaft, while the inner control surface is located inside the bore, such that the locating element can act on it.
  • two controls are arranged by means of a respective bolt in the key, which extend along a common axis.
  • each one of the bolts is arranged by an arrangement element. This means that only one arrangement element and only one to be classified with the control tumbler are present, but advantageously two controls on the key are present, whereby the orientation of the key in the key channel does not matter.
  • the key is, as mentioned, a reversible key.
  • each of the bolts can be arranged by a respective arrangement element.
  • the inner control surface is preferably spaced from the bottom of the bore, whereby the said gap can be provided.
  • the one step and the bolt has a survey, wherein the bolt in the initial position due to the spring element with the survey is pressed against the step and wherein the step and the elevation are arranged so that said gap is created.
  • the step forms a stop for the elevation, so that the bolt can penetrate as far as it will go into the bore.
  • the bolt between the boss and the inner control surface is shorter than the depth of the bore between step and ground.
  • the said gap for contact with the guide surface of the Einssensettis be provided.
  • the bolt has a cylindrical, in particular circular, cross-section.
  • control surface for cooperation with the tumbler in the starting position is flush with the outside of the key shank. In the arrangement position, the control surface is spaced from the outside of the key shaft.
  • the rotary lock cylinder is actuated with the key as described above.
  • the rotary lock cylinder comprises a stator, a rotatably mounted rotor in the stator with a keyway, which extends along a longitudinal axis, and at least one cooperating with the control tumbler.
  • the tumbler comprises a stator pin mounted in the stator with a stator spring and a rotor pin mounted in the rotor, wherein the rotor pin and stator pin can be arranged by the control in the key from a locked position into a release position.
  • the stator spring pushes the stator pin and the rotor pin in the direction of the keyway.
  • the rotary-locking cylinder further comprises at least one arrangement element projecting into the key channel for cooperation with the said control element.
  • control is moved, which then leads to a suitable key for the correct classification of said tumbler.
  • the arrangement element is preferably arranged stationarily in the keyway.
  • the arrangement element is movably arranged in the key channel, wherein the placement element is sprung, for example, with a spring.
  • the movable arrangement element is arranged such that it is aligned in orientation with the recess in the key.
  • the rotary lock cylinder may include further tumblers, which cooperate with the control recesses.
  • the placement member comprises a placement surface which cooperates with said inner control surface.
  • the placement surface protrudes into the recess and ensures that the control is pressed outwards.
  • the latter is preferably arranged in the key channel, that the orientation of the Ein effets preparation but is fixed.
  • the placement surface is parallel to the longitudinal axis.
  • exactly one single arrangement element is arranged. This one arrangement element then cooperates with said control element.
  • two ordering elements are arranged opposite each other with respect to the key channel, and then there are two controls in the key.
  • the arrangement element further comprises a guide surface, which is formed inclined at an angle to the longitudinal axis and which lies with respect to the insertion direction of the key in front of the placement surface.
  • the control can be moved to the height of the guide surface.
  • the distance seen at right angles to the longitudinal axis between the placement surface and the parting line between the rotor and stator corresponds to the distance between the inner control surface and the contact point between the rotor pin and the stator pin.
  • the rotor pin and the stator pin of the locking position in the release position are radially outwardly movable.
  • Fig. 1 is a perspective view of a key and a
  • Fig. 2 is a perspective view of the key of Figure 1 and a
  • Fig. 3a is a schematic partial sectional view of the key and a rotary lock cylinder according to Figures 1 and 2, wherein the key is partially inserted into the rotary lock cylinder;
  • FIG. 3b is a detail view of Figure 3a
  • FIG. 3c is a perspective detail view of Figure 3a;
  • FIG. 4a is a schematic partially sectioned view of a key and a rotary lock cylinder according to an embodiment of the present invention
  • FIG. 4c is a perspective detail view of Figure 4a;
  • Fig. 5a is a schematic partial sectional view of a key and a rotary lock cylinder according to an embodiment of the present invention, wherein the key is fully inserted into the rotary lock cylinder;
  • Fig. 5b is a detail view of Figure 5a.
  • FIG. 5c shows a perspective detail view of FIG. 5a.
  • FIGS. 1 and 2 a key 1 for a rotary locking cylinder 2 is shown.
  • the rotary lock cylinder 2 is shown only partially here in both figures.
  • the key 1 is identical in both figures.
  • the rotary lock cylinder 2 is formed in the figure 1 according to an embodiment and in the figure 2 according to another embodiment.
  • the key 1 comprises a key grip 3 and a key shank 4 adjoining the key grip 3.
  • the key shank 4 extends along a longitudinal axis L.
  • the key shank 4 has control recesses 6.
  • These control recesses 6 are formed here as control bores and serve the classification of tumblers on the rotary lock cylinder 2.
  • the key 1 comprises at least one in the key shank 4 movably arranged control element 7.
  • the control element 7 also serves to classify a tumbler 8 of the rotary lock cylinder 2.
  • the control element 7 has a control surface 9 which cooperates with the tumbler 8 in the rotary lock cylinder.
  • the key shank 4 has a recess 10.
  • the recess 10 is formed such that an arrangement element 11 of the rotary lock cylinder 2 can act on the control 7 through the recess 10 during insertion of the key 1 in the rotary lock cylinder 2 in such a way that the control element 7 with respect to the key shank 4 by the arrangement element 11 movable is.
  • the control 7 is thus by cooperation with the Einordungselement 11 for the classification of the tumbler 8 of the rotary lock cylinder 2 from a starting position in moved a classification situation.
  • the movement from the starting position into the arrangement position takes place with respect to the key shaft to the outside.
  • the control element 7 is preferably located completely inside the key shank 4. In the arrangement position, the control element 7 protrudes partially out of the key shank 4, so that the tumbler 8 can be arranged accordingly.
  • the control element 7 has an inner control surface 12 with respect to the said control surface 9, which serves to position the tumbler 8.
  • This inner control surface 12 cooperates with said arrangement element 11 of the rotary-lock cylinder 2. Via this inner control surface 12, the arrangement element 11 comes into contact with the control element 7 and the control element 7 is moved outwards.
  • the recess 10 extends, as shown in Figures 1 and 2, from the top 13 of the key shank 4 in the direction of the longitudinal axis L along the key shank 4.
  • the recess penetrates from the outside 5 in the key shank 4 inside.
  • the recess is thus formed open to the outside 5 of the key shank 4.
  • the recess 10 extends from the key tip 13 up to the control element 7.
  • the recess 10 is also shown.
  • the recess 10 is preferably a groove, wherein the groove seen transversely to the longitudinal axis L has a constant cross-section.
  • the groove is preferably made as a milling.
  • the recess 10 is arranged offset to a center plane E.
  • the median plane E is centered between the two narrow sides 14 of the key shank 4.
  • the staggered arrangement can be arranged on each broad side 15 of the key shank 4 each have a recess 10 without the key shank 4 would be greatly weakened mechanically. As a result, a reversible key can be created.
  • the control element 11 is as far forward, so as far as possible away from the key handle 3, so that the weakening of the key cross-section remains marginal.
  • the narrow side 14 of the key shank 4 here is the narrow side with respect to an extension seen transversely to the longitudinal axis L.
  • the broad side 15 is the wider side of the key shank 4.
  • the depth of the recess 10 seen at right angles to the broad side 15 of the key shank preferably corresponds to a maximum of half the thickness of the key shank 4. The depth can also be smaller.
  • the control element 7 is arranged in a bore 16 in the embodiment shown.
  • the bore 16 extends here from the narrow side 14 in the key shank 4 and extends substantially perpendicular to the longitudinal axis L.
  • the recess 10 opens, as shown in Figures 1 and 2, in the bore 16. Consequently, the arrangement element 11 can protrude into the bore 16 via the recess 10.
  • the control element 7 comprises a bolt 17 arranged in the bore 16 in the key 1 and a spring element 18.
  • the spring element 18 presses the bolt 17 into the key shank 4.
  • the spring element 18 acts on the bolt 17 with a force which presses the control element 7 inward from the key shaft 4.
  • By the arrangement element 11 of the bolt 17 is pressed against the spring force outwards in the Einssenslage.
  • the bolt 17 comprises the control surface 9 and the inner control surface 12.
  • the bolt 17 and the spring element 18 are held in the bore 16 with a securing ring 33.
  • the locking ring 33 is pressed into the bore 16.
  • each of the control elements 7 comprises a bolt 17 and a spring element 18 and a securing ring 33.
  • the two control elements 7 extend along a common axis A. Both control elements 7 are accessible via the opposite narrow sides 14.
  • a gap 20 is present between the bottom 19 of the bore 16 and the inner control surface 12.
  • the intermediate space 20 projects the Ein glovesselement 11 during insertion of the key 1 in the rotary lock cylinder.
  • the intermediate space 20 can be recognized particularly well in FIGS. 3b and 3c. Due to the gap 20, the cooperation between the arrangement element 11 and control 7 is facilitated.
  • the bore 16 has a step 21.
  • the bolt 17 further has a survey 22, wherein the bolt 17 is pressed in the initial position due to the spring element 18 with the survey 22 against the step 21.
  • the step 21 and the elevation 22 are preferably arranged such that said gap 20 is created in the region of the bottom 19 of the bore 16.
  • the bolt 17 is formed slightly shorter than the depth of the bore between the step 21 and the base 19 between the elevation 22 and the inner control surface 12.
  • the bolt 17 is preferably a cylindrical bolt with a circular cross-section.
  • the control surface 9 is, as shown in the figures, preferably arranged such that it is flush in the initial position to the outside 5 of the key shank 4. In the present embodiment, the control surface 9 is thus in the same plane as the narrow side 14.
  • the rotary lock cylinder 2 comprises a stator 23 and a rotor 24 rotatably mounted in the stator 23 with a key channel 25.
  • the keyway 25 extends along its longitudinal axis L.
  • the rotary lock cylinder 2 comprises at least one cooperating with the control element 7 tumbler 8.
  • the Rotary lock cylinder further tumblers, which cooperate with the control recesses 6.
  • the tumbler 8 comprises a stator pin 26, which is mounted in the stator 23, and a Rotor pin 27 which is mounted in the rotor 24.
  • Rotor pin 27 and stator pin 26 can be classified by the control element 7 from the blocking position, as shown in Figure 3 c, in a release position, as shown in Figures 5a to 5c.
  • the release position the contact point 31 between the rotor pin 27 and stator pin 26 is at the level of the parting line 30 between the rotor pin 27 and the stator pin 26. Consequently, the rotor 24 can be rotated to the stator 23.
  • the rotary locking cylinder 2 further comprises at least one projecting into the keyway 25 Ein glovesselement 11.
  • the classification element 11 is, as already explained above, for cooperation with the said control element 7.
  • the control element 7 with respect to the key shank 4 moves outwards and orders so the stator 26 and the rotor pin 27 accordingly, so that they are pushed with their contact point 31 on the parting line 30.
  • the sequence for the placement of the tumbler 8 is as follows:
  • the key 1 is inserted with its key shank 4 in the keyway 25.
  • the key is shown in the partially inserted state.
  • the arrangement element 11 engages in the recess 10 a.
  • FIGS. 4a to 4c the first contact between the arrangement element 11 and the control element 7 is shown.
  • the arrangement element 11 cooperates with the control surface 12 of the control element 7 and presses when inserting the key 1 in the keyway 25, the control element 7 by cooperation with the guide surface 29 transversely to the central axis M outwards, ie in the direction of the rotor 24.
  • This movement is in 4b with the arrow C shown.
  • the control element 7 is moved further outwards, when the key 1 is moved further in the keyway 25.
  • FIG. 5b the arrangement position is then shown.
  • the control 7 with its control surface 12 on the Ein glovesselement 11 and thus is in its Ein effetslage.
  • Rotor pin 27 and stator pin 26 are in the release position.
  • the contact point 31 between the rotor pin 27 and the stator pin 26 is at the height of the dividing line 30 between the rotor 24 and the stator 23.
  • the rotor 23 can then be rotated relative to the stator 23.
  • the placement element 11 comprises a placement surface 28, which cooperates with said inner control surface 12.
  • the arrangement surface 28 is oriented here parallel to the longitudinal axis L. In the arranged state, the control surface 12 is in surface contact with the arrangement surface 28.
  • the arrangement element 11 comprises a guide surface 29, which is formed inclined at an angle to the longitudinal axis L.
  • the guide surface 29, which can be well recognized in FIG. 4b, is inclined at an angle to the longitudinal axis L, such that the control element 7 is moved from its initial position into the arrangement position.
  • the control element 7 has in the region of the control surface 12 on a chamfer 34, which is also formed at an angle. By this chamfer 34, the classification can be solved even easier.
  • the longitudinal path along the central axis A for the complete stroke movement of the control element 7 corresponds to the diameter of the bore 40 minus the diameter of the control element 7, starting when the control element 7 touches the placement element 11 and ideally the diameter end of the control element 7 in the direction of the key grip 3 on the same position transverse to the central axis M is like the rear edge 36 of the bore 16th
  • the Em guyselement 11 is preferably pressed firmly into a bore 35.
  • the arrangement element 11 is oriented such that the placement surface is oriented parallel to the longitudinal axis L.
  • the arrangement element 11 may also be arranged to be movable.
  • the arrangement element 11 is spring-mounted with a spring 37.
  • the arrangement element 11 and the spring 37 are held by a bolt 38 in a bore 39 in the rotor.
  • the placement element 11 is moved out of the keyway addition.
  • the assignment 8 is then not arranged.
  • both embodiments of the arrangement element 11 are such that the placement surface 28 is preferably oriented parallel to the center axis M. LIST OF REFERENCE NUMBERS

Landscapes

  • Lock And Its Accessories (AREA)

Abstract

L'invention concerne une clé (1) pour un cylindre de serrure rotatif (2), comprenant une tête de clé (3) et une tige de clé (4) se raccordant à la tête de clé (3), laquelle tige de clé s'étend le long d'un axe longitudinal (L). La tige de clé (4) comprend, sur son côté extérieur (5), des évidements de commande (6), en particulier des alésages de commande, afin d'y placer des gâchettes sur le cylindre de serrure rotatif (2) et au moins un élément de commande (7) disposé de manière à pouvoir être déplacé dans la tige de clé (4), lequel élément de commande (7) comporte une surface de commande (9) coopérant avec une gâchette (8) du cylindre de serrure rotatif (2). La tige de clé (4) comporte un évidement (10) qui est réalisé de telle manière qu'un élément de placement (11) du cylindre de serrure rotatif (2) puisse agir sur l'élément de commande (7) à travers l'évidement (10) en enfilant la clé (1) dans le cylindre de serrure rotatif de telle manière que l'élément de commande (7) puisse être déplacé par rapport à la tige de clé (4) et que la gâchette (8) puisse être amenée dans une position de déblocage.
EP16715320.4A 2015-04-10 2016-04-08 Clé et cylindre de serrure rotatif Active EP3280855B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH4982015 2015-04-10
PCT/EP2016/057839 WO2016162531A1 (fr) 2015-04-10 2016-04-08 Clé et cylindre de serrure rotatif

Publications (2)

Publication Number Publication Date
EP3280855A1 true EP3280855A1 (fr) 2018-02-14
EP3280855B1 EP3280855B1 (fr) 2020-05-20

Family

ID=52823975

Family Applications (1)

Application Number Title Priority Date Filing Date
EP16715320.4A Active EP3280855B1 (fr) 2015-04-10 2016-04-08 Clé et cylindre de serrure rotatif

Country Status (2)

Country Link
EP (1) EP3280855B1 (fr)
WO (1) WO2016162531A1 (fr)

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2492872B1 (fr) * 1980-08-13 1985-10-11 Vachette Sa Cle a poussoir incorpore et barillet de surete utilisant ladite cle
CH680935A5 (fr) * 1990-01-17 1992-12-15 Ernst Keller
FR2714101B1 (fr) * 1993-12-21 1996-03-08 Laperche Sa Clé à barillet de sûreté de manÓoeuvre d'une serrure et barillet actionnable par une telle clé.
FR2762345B1 (fr) * 1997-04-22 1999-07-02 Thirard Ets Clef plate
ITTO980491A1 (it) * 1998-06-05 1999-12-05 Mottura Serrature Di Sicurezza Serratura a cilindro.
IT1303962B1 (it) * 1998-10-15 2001-03-01 Italiana Serrature Affini Serratura a cilindro con dispositivo antieffrazione .
RU2403359C1 (ru) * 2007-07-25 2010-11-10 "Мауер Локинг Системс" Лтд Цилиндрический замок с соответствующим ключом и заготовка ключа

Also Published As

Publication number Publication date
EP3280855B1 (fr) 2020-05-20
WO2016162531A1 (fr) 2016-10-13

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