EP4444971A1 - Schlüssel für ein zylinderschloss sowie zylinderschloss - Google Patents
Schlüssel für ein zylinderschloss sowie zylinderschlossInfo
- Publication number
- EP4444971A1 EP4444971A1 EP22813401.1A EP22813401A EP4444971A1 EP 4444971 A1 EP4444971 A1 EP 4444971A1 EP 22813401 A EP22813401 A EP 22813401A EP 4444971 A1 EP4444971 A1 EP 4444971A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- key
- control
- cylinder lock
- groove
- coding
- 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
Links
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
- E05B19/0035—Key profiles characterized by longitudinal bit variations
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B27/00—Cylinder locks or other locks with tumbler pins or balls that are set by pushing the key in
- E05B27/0082—Side bar locking
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B19/00—Keys; Accessories therefor
- E05B19/0017—Key profiles
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B19/00—Keys; Accessories therefor
- E05B19/0017—Key profiles
- E05B19/0041—Key profiles characterized by the cross-section of the key blade in a plane perpendicular to the longitudinal axis of the key
- E05B19/0052—Rectangular flat keys
- E05B19/0058—Rectangular flat keys with key bits on at least one wide side surface of the key
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B27/00—Cylinder locks or other locks with tumbler pins or balls that are set by pushing the key in
- E05B27/0078—Asymmetrical tumbler pins, e.g. with a key operating on a radial protrusion of a tumbler pin
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B47/00—Operating or controlling locks or other fastening devices by electric or magnetic means
- E05B47/0038—Operating or controlling locks or other fastening devices by electric or magnetic means using permanent magnets
- E05B47/0044—Cylinder locks with magnetic tumblers
Definitions
- the invention relates to a key for a cylinder lock and a cylinder lock for such a key.
- Cylinder locks for receiving such keys have a key channel with at least one side wall, with scanning positions provided along the length of the key channel, with at least one control element for querying the corresponding control point of a coding being provided on a side surface of the key at each scanning position.
- At least one blocking element is provided in the cylinder lock, which can be brought into the release position for actuating the cylinder lock when all the control elements are in the correct position.
- a problem with such keys is that key copies can be created in a simple manner using modern, in particular high-resolution photographic methods.
- Another problem with cylinder locks is that they can be operated by unauthorized persons using specialized tools.
- An object of the invention is to solve this problem and to provide a key and a cylinder lock which solves the above problems and provides improved devices.
- the coding along the longitudinal extent comprises at least one groove section N and one curve section K.
- the groove section N has a control groove that is delimited on both sides.
- the curve section K has a control curve that is open on one side. At least one control point is arranged in a groove section N, and at least one other control point is arranged in a curve section K of the same coding.
- a control groove designates a path-like indentation which is delimited by two opposite surfaces lying essentially normal to the bottom of the groove.
- a cam designates a track-like depression bounded on only one side by a surface substantially normal to the bottom of the track and open on the opposite side.
- movably mounted control elements can be provided at the control points, which are guided either on the control groove or on the control cam when the key is inserted into the cylinder lock.
- different query elements can be provided in the cylinder lock, namely, on the one hand, control elements that are positively guided in the control groove and, on the other hand, control elements that are based on the single surface of the cam and are biased against it, for example.
- Such a design of the key according to the invention with a groove section N and a curve section K ensures greater security of the key compared to a photographic reproduction, since it is difficult to understand the transition between the groove section with the control groove and the curve section with the control curve from a photo. Such combinations of control groove and control curve can therefore only be copied under difficult conditions.
- two or more groove sections N, N', N'', each with at least one control groove can be provided along the longitudinal extension of the key.
- two or more curve sections K, K', K'', each with at least one control curve are provided along the longitudinal extent.
- groove sections N, N', N" and curve sections K, K', K" can be provided alternately along the longitudinal extension of the key. This makes it particularly difficult to copy the key.
- control cam is formed by a partial opening of a control groove in the area of one or more scanning positions.
- control curve represents a continuation of an existing control groove which, however, is open on one side. This can be achieved by the control groove extending at least partially beyond the side surface of the key, or by the groove base of the control groove extending in one direction up to the edge of the key.
- At least four, preferably six scanning positions AF and at least four, preferably six control levels a - f are provided. These discrete scanning positions thus define a two-dimensional grid of predetermined positions at which the control points can be arranged on the side surface of the key.
- the distances between the scanning positions AF like the distances between the control heights a-f, can be the same or variable.
- one or more side surfaces have a coding according to the invention with curved sections and groove sections, and the remaining side surfaces have no coding or only conventional coding.
- the key can in particular have an essentially rectangular cross section.
- the codes on the side surfaces can be designed in such a way that the key can be used as a reversible key.
- the codes on the side surfaces can be identical from the point of view of the cylinder lock when the key is rotated 180° around its longitudinal axis.
- each coding can comprise control points which are provided along the longitudinal extent at defined scanning positions and transversely to the longitudinal extent at defined control heights.
- the codes can be designed as mutually independent control grooves and control curves, which preferably do not intersect. However, embodiments are also provided in which the codes intersect or at least touch.
- At least one area is provided on the key that is magnetic, magnetizable, or that can be attracted or repelled by a magnetic field.
- a region can in particular be designed to interact magnetically with an element in the cylinder lock.
- a control element arranged in the cylinder lock is held in a defined position by magnetic force during the transition from a groove section to a curve section and back and does not fall out of a control curve or fall out during the transition - for example due to gravity or due to vibrations tilted by a control curve in a control groove or assumes an undefined position.
- the invention also relates to a cylinder lock for receiving a key according to the invention, comprising a key channel with at least one side wall, with scanning positions provided along the longitudinal extent of the key channel, with at least one control element for querying control points of at least one coding on at least one side surface of a key according to the invention at each scanning position is provided.
- a blocking element is also provided which can be brought into a release position for actuating the cylinder lock when the control elements are in the correct position.
- At least a first control element has a first control element for engaging in a control groove of the coding
- at least a second control element has a second control element for engaging in a control cam of the coding.
- a first control element in the cylinder lock is designed to query a control point in a groove section N of the key
- a second control element in the cylinder lock is designed to query a control point in a curve section K of the key.
- the first control and the second control can be designed differently.
- control elements have engagement means, in particular one or more interrogation grooves, which interact with the blocking element in one or more positions of the control elements such that the blocking element can be brought into a release position for actuating the cylinder lock.
- the interrogation grooves can be designed as circular projections, the dimensions of which are adapted to the corresponding control points on the key.
- the first control element can be freely movable transversely to the longitudinal extent of the key channel. Prestressing of this first control element is not absolutely necessary since it is generally guided in a form-fitting manner in the control groove or there is no risk of a first control element escaping from the control groove due to the limitation of the control groove on both sides.
- the second control element can be prestressed transversely to the longitudinal extension of the keyway.
- a preload can be achieved, for example, by the second control element being supported on a cylinder core of the cylinder lock via a spiral spring.
- a pretension is usually necessary because the second control element is not guided in a form-fitting manner, but scans a control curve in the curve section, i.e. it is only in contact with one side edge of the control curve, so that there is a risk that the second control element will be loosened by gravity or by vibrations exits the control cam.
- the second control element comprises a magnetic, magnetizable element or an element which can be attracted or repelled by a magnetic field and which is designed to interact magnetically with an area on the key.
- the magnetic element can in particular ensure that the second control element does not assume an incorrect position due to gravity or due to vibrations when it leaves a control groove and enters a control curve. Instead, it will assume a predefined position due to the magnetic effect, so that - when the key is pushed in further - it will continue to be inserted correctly. It is irrelevant whether a permanent magnet is provided on the key and a ferromagnetic element on the control element or vice versa.
- the invention also relates to a system comprising at least one key according to the invention and at least one cylinder lock according to the invention.
- FIG. 1 shows a schematic three-dimensional view of part of an embodiment of a key according to the invention
- FIG. 2 shows a schematic three-dimensional view of part of an embodiment of a key according to the invention with embodiments of control elements of a cylinder lock according to the invention
- FIG. 3 shows a schematic three-dimensional view of an embodiment of a system according to the invention comprising a key according to the invention and a cylinder lock according to the invention;
- figs 4a - 4b schematic three-dimensional views of embodiments of control elements according to the invention of a cylinder lock according to the invention
- figs 5a-5c show a schematic three-dimensional view and a sectional representation of an embodiment of a key according to the invention in combination with a control element according to the invention
- 6 shows a further embodiment of a key according to the invention in combination with elements of a cylinder lock according to the invention.
- Fig. 1 shows a schematic three-dimensional view of a part of an embodiment of a key according to the invention.
- the key 1 is designed as a flat key and comprises two opposite side surfaces 2, 2' running along its length.
- the side surfaces 2, 2' are each arranged on a flat side of the flat key.
- Two codes 3, 3' are provided on the side surface 2 for querying in the cylinder lock 9 (not shown).
- the coding 3, 3' is formed by a plurality of control points 4, 4', which are provided at defined scanning positions AF along the longitudinal extension and at defined control heights a - f transversely to the longitudinal extension.
- the approximate positions of the scanning positions A - F and control heights a - f are indicated schematically.
- the control points 4, 4' are indicated purely schematically as dashed circles and symbolize those points on the key 1 which are scanned by discrete control elements 11, 1' in the cylinder lock 9 in order to actuate the cylinder lock 9.
- 3', groove sections N, N', N" and curve sections K, K', K" are provided along the longitudinal extension.
- the groove sections N, N', N" each have a control groove 5 delimited on both sides.
- the curve sections K, K', K'' each have a control cam 6 open on one side.
- Control points 4 are arranged in the control grooves 5 of the groove sections N, N', N''.
- Control points 4' are arranged in each of the control curves 6 of the curve sections K, K', K''.
- a curved section K with two control points 4′, a grooved section N with two control points 4 and a further curved section K′ with two control points 4′ are provided for coding 3, starting from the tip of the key.
- a groove section N with a control point 4 starting from the key tip, a groove section N with a control point 4, a curve section K with a control point 4', another groove section N 'with a control point 4, another curve section K' with a control point 4', as well as a further groove section N'' with a control point 4 and a final curve section K'' with a control point 4'.
- two control points 4, 4' are provided alternately in each section; on the other hand, in the case of the coding 3', a control point 4, 4' alternately in each section.
- control groove 5 and the control cam 6 are each designed as a narrow depression with a rectangular cross section on the side surface 2 of the key 1, with the control groove 5 having a base surface and two opposite and essentially parallel side surfaces, while the control cam 6 only has a single face.
- the depression of the side face 2 is limited for the cam 6 only on one side and on the other side in the direction of the narrow side (back side) of the key 1 open.
- the cam 6 is formed by opening a cam groove 5 on one side in the area of one or more scanning positions.
- FIG. 2 shows a schematic three-dimensional view of the embodiment of a key 1 according to the invention from FIG. 1 in combination with embodiments of control elements 11, 11' according to the invention of a cylinder lock 9 (otherwise not shown). which are mounted in the core of the cylinder lock 9 so as to be displaceable along their longitudinal direction and interact via interrogation grooves 14 with a blocking element 12 (not shown) of the cylinder lock 9 .
- a first control element 11 with a (not visible) first control element 13 for engaging in a control groove 5 of coding 3 and second control elements 11' with (not visible) second control elements 13' for engaging in control curves 6 of coding 3 are provided.
- a non-prestressed or non-spring-loaded first control element 11 in the area of the key tip and two prestressed second control elements 11' in the area of the key bow are specifically shown.
- the non-prestressed control element 11 engages in a control groove 5, which is delimited on both sides, on the tip of the key and is guided in this essentially in a form-fitting manner.
- the prestressed control elements 11' are each pressed against the only side wall (located at the top in this illustration) of a control cam 6 via spiral springs 15 in order to follow this when the key 1 is inserted and removed. This prevents the control elements 11 from assuming an unguided and thus undefined state when leaving a control groove 5 and entering a control cam 6 .
- FIG. 3 shows a schematic three-dimensional view of an embodiment of a system according to the invention comprising a key 1 according to the invention and a cylinder lock 9 according to the invention.
- the inventive interaction of the control elements 11, 11' which are provided at dedicated scanning positions in the key channel 10, with the codes on the side surface 2 of the key 1 and a bar-shaped blocking element 12. Only when all the control elements 11, 11' are in the correct position are, the blocking element 12 can engage in the interrogation grooves 14 of the control elements 11, 11' and release the parting plane between the cylinder core 16 and the cylinder housing 17, so that the cylinder core 16 can be rotated in the cylinder housing 17.
- the control elements 1T which are prestressed by spiral springs 15, are visible.
- figs 4a - 4b show schematic three-dimensional views of embodiments of first and second control elements 11, 1 T according to the invention of a cylinder lock 9 according to the invention.
- the control elements 11, 1 T are essentially cylindrical or pin-shaped and have a longitudinal axis along which they can be displaced during operation.
- a first and second control element 13, 13' project radially outwards in the form of circular projections normal to the longitudinal axis.
- the first and second control elements 13, 13' are used to scan the control points 4, which form the codes 3, 3' on the side surface 2, 2' of the key 1.
- Fig. 4a shows a second control element 11', prestressed by a spiral spring 15, for scanning the side wall of a control cam 6 open on one side, while Fig.
- control element 11 shows a non-prestressed control element 11 for essentially form-fitting guidance in a control groove 5.
- the dimensions of the control elements 13, 13 ' are adapted to the dimensions of the control groove 5 and the cam 6 to allow a functional scanning of the control points 4.
- figs 5a - 5c show a schematic three-dimensional view and a sectional view of another embodiment of a key 1 according to the invention in combination with a control element 11 according to the invention of a cylinder lock 9.
- the key 1 is again provided with several control points 4, which are in a groove section N along the Longitudinal extension are connected by a control groove 5 limited on both sides, and provided with a plurality of control points 4, which are connected in a curved section K along the longitudinal extension by a control curve 6 open on one side.
- the coding 3 ′ is provided with a funnel-shaped recess at the tip of the key in order to enable the control elements 11 , 11 ′ to be accommodated when the key 1 is inserted.
- the control elements 11 , 11 ′ are guided in a control groove 5 as the key 1 is further inserted into the key channel 10 .
- control groove 5 merges into a control curve 6 by the control groove 5 being opened on its underside.
- a magnetic or magnetizable area 7 is provided on the key 1 in the area of the transition from the groove section to the curve section is designed to interact with an element 8 in the control element 11 . This is clearly shown in the sectional view according to FIG. 5b as well as in the three-dimensional view of the control element 11 according to FIG. 5c.
- the magnetic area 7 on the key 1 is a permanent magnet and the magnetizable element 8 in the control element 11 is an insert comprising ferromagnetic or paramagnetic material.
- this can also be the other way around, as long as the technical effect is achieved that the control element 11 is held in the intended position in the area of the transition from the groove section to the curved section or is pulled in a planned direction and does not emerge from the curved section which is open on one side .
- FIG. 6 shows a further embodiment of a key 1 according to the invention in combination with elements of a cylinder lock 9 according to the invention.
- the coded side face 2 is the narrow side (back side) of a flat key.
- Code 3 is again provided in the form of a plurality of control points 4, with a plurality of control points 4 being connected in at least one groove section N along the longitudinal extension of the key by a control groove 5 delimited on both sides, and further control points 4 in at least one curved section K along the longitudinal extension by a unilaterally open cam 6 are connected.
- second control elements 11' with second control elements 13' for engaging in control cam 6 of coding 3 are provided. Otherwise, this embodiment corresponds to the embodiments presented above.
- Keys according to the invention can thus have a plurality of codes which are formed in different designs on the flat side and/or on the narrow side of the key.
- the choice of control points and the design of the control cams and control grooves is not limited to the designs shown.
- different shapes of the control curves and control grooves can be provided, both for different codings and within one coding.
- further coding can be provided on the flat sides and/or the narrow sides of the key.
Landscapes
- Lock And Its Accessories (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| ATA50975/2021A AT525454B1 (de) | 2021-12-07 | 2021-12-07 | Schlüssel für ein Zylinderschloss sowie Zylinderschloss |
| PCT/AT2022/060412 WO2023102582A1 (de) | 2021-12-07 | 2022-11-23 | Schlüssel für ein zylinderschloss sowie zylinderschloss |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| EP4444971A1 true EP4444971A1 (de) | 2024-10-16 |
| EP4444971C0 EP4444971C0 (de) | 2025-10-22 |
| EP4444971B1 EP4444971B1 (de) | 2025-10-22 |
Family
ID=84364250
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP22813401.1A Active EP4444971B1 (de) | 2021-12-07 | 2022-11-23 | Schlüssel für ein zylinderschloss sowie zylinderschloss |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP4444971B1 (de) |
| AT (1) | AT525454B1 (de) |
| WO (1) | WO2023102582A1 (de) |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3603687A1 (de) * | 1986-02-06 | 1987-08-13 | Dom Sicherheitstechnik | Aus schliesszylinder und zugehoerigem flachschluessel bestehende schliesseinrichtung |
| AT395628B (de) * | 1990-09-06 | 1993-02-25 | Evva Werke | Flachschluessel fuer zylinderschloesser |
| AT506955B1 (de) * | 2008-08-12 | 2010-01-15 | Evva Werke | Zylinderschloss mit zylindergehäuse und flachschlüssel für ein zylinderschloss |
| AT518317B1 (de) * | 2016-03-11 | 2018-04-15 | Evva Sicherheitstechnologie | Schlüssel sowie zugehöriges Schloss |
| FR3072704B1 (fr) * | 2017-10-20 | 2019-10-25 | U-Shin France | Procede de codage d’ensembles clef / verrou pour dispositif de fermeture |
| AT521181B1 (de) * | 2018-06-28 | 2019-11-15 | Evva Sicherheitstechnologie | Flachschlüssel für ein Zylinderschloss und Zylinderschloss |
-
2021
- 2021-12-07 AT ATA50975/2021A patent/AT525454B1/de active
-
2022
- 2022-11-23 EP EP22813401.1A patent/EP4444971B1/de active Active
- 2022-11-23 WO PCT/AT2022/060412 patent/WO2023102582A1/de not_active Ceased
Also Published As
| Publication number | Publication date |
|---|---|
| EP4444971C0 (de) | 2025-10-22 |
| AT525454B1 (de) | 2023-04-15 |
| AT525454A4 (de) | 2023-04-15 |
| EP4444971B1 (de) | 2025-10-22 |
| WO2023102582A1 (de) | 2023-06-15 |
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