EP4045743A1 - Cylinder lock, key and locking device - Google Patents
Cylinder lock, key and locking deviceInfo
- Publication number
- EP4045743A1 EP4045743A1 EP21719866.2A EP21719866A EP4045743A1 EP 4045743 A1 EP4045743 A1 EP 4045743A1 EP 21719866 A EP21719866 A EP 21719866A EP 4045743 A1 EP4045743 A1 EP 4045743A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- core
- housing
- core pin
- cylinder lock
- key
- 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
- 230000000903 blocking effect Effects 0.000 claims abstract description 30
- 125000006850 spacer group Chemical group 0.000 claims description 40
- 238000006073 displacement reaction Methods 0.000 claims description 3
- 238000003780 insertion Methods 0.000 abstract description 2
- 230000037431 insertion Effects 0.000 abstract description 2
- 230000007704 transition Effects 0.000 description 10
- 230000000694 effects Effects 0.000 description 2
- 230000003993 interaction Effects 0.000 description 2
- 230000000284 resting effect Effects 0.000 description 2
- 238000003801 milling Methods 0.000 description 1
Classifications
-
- 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
- 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
-
- 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
- E05B27/0042—Cylinder locks or other locks with tumbler pins or balls that are set by pushing the key in with additional key identifying function, e.g. with use of additional key operated rotor-blocking elements, not of split pin tumbler type
-
- 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
- E05B27/0053—Cylinder locks or other locks with tumbler pins or balls that are set by pushing the key in for use with more than one key, e.g. master-slave key
-
- 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
-
- 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 cylinder lock, a key and a locking device according to the preambles of the independent claims.
- cylinder locks with a cylinder core rotatable about an axis of rotation D in a housing, comprising a key channel running in a radial plane R for the introduction of a coded key (3) are known. Furthermore, such cylinder locks are known in which, in addition to the conventional core and housing pins extending in the radial plane R, further core pins are provided which run in a core pin guide on the side of the key channel, i.e. outside the radial plane R.
- the document EP 2886754 A2 shows such a cylinder lock.
- a disadvantage of such cylinder locks is that the core pins extending outside the radial plane R have to be moved a long distance relative to the cylinder core due to their eccentric positioning in order to protrude sufficiently into the housing so that a secure locking effect can occur.
- core pins of this type can only be actuated on the key with comparatively large increments, as a result of which the number of variations on the key is low.
- the object of the invention is to overcome the disadvantages of the prior art.
- the object of the invention to create a cylinder lock in which a sufficient locking effect can be achieved even by small increments on the key.
- the object of the invention is, among other things, to create a cylinder lock which is constructed as simply as possible and can be manufactured at low cost.
- a cylinder lock according to the invention comprises a cylinder core rotatable in a housing about an axis of rotation D, comprising a key channel extending in a radial plane R for the introduction of an encoded key.
- At least one core pin guide extending outside the radial plane R is provided on one side of the key channel. This can be a substantially cylindrical bore or the like.
- a core pin is provided which can be displaced along its longitudinal axis in the core pin guide from a blocking position into a release position.
- the core pin is designed in such a way that the rotation of the cylinder core with respect to the housing is enabled when a key assigned to the cylinder lock is inserted into the key channel. This can be achieved in that a substantially cylindrical gap (also referred to as a parting plane) is formed between the cylinder core and the housing, which the core pin blocks or releases depending on the coding of the key.
- the core pin may be spring biased in the core pin guide; however, this is not mandatory.
- the core pin is preferably of substantially cylindrical shape and comprises a core side pointing in the direction of the key channel and designed to query a code on the key, as well as a housing side pointing in the direction of the housing and designed to engage in a housing recess.
- at least two locking sections protruding to different extents in the direction of the longitudinal axis, each with a locking surface extending essentially normal to the longitudinal axis, are provided on the housing side of the core pin.
- the housing side of the core pin is not linear, but is essentially step-shaped.
- the blocking sections preferably protrude at least partially, preferably completely, into the housing recess.
- the locking surfaces of the core pin are preferably flat, smooth and / or without elevation. If necessary, a transition area can be arranged between the blocking sections, which in particular runs obliquely to the longitudinal axis of the core pin.
- the core pin in the blocking position at least one locking surface of the core pin protrudes into the housing recess so that a movement of the cylinder core relative to the housing is prevented, and in the release position the core pin releases the movement of the cylinder core relative to the housing.
- the core pin In the release position, the core pin can be arranged in the cylinder core, in particular without protruding and / or completely.
- one side is step-shaped can be understood to mean a side which comprises at least two steps, which are optionally spaced apart by a transition region.
- the core pin guide can extend transversely, preferably normal to the radial plane R of the cylinder core and preferably be arranged offset to the axis of rotation D of the cylinder core.
- the offset of the core pin guide can be, for example, half, a third, a quarter or a fifth of the radius of the cylinder core. Due to the stepped design of the housing side of the core pin, the offset can be particularly large and it can even be provided that two or more core pins are arranged in one quadrant of the cylinder core cross section.
- the core pin can be essentially cylindrical, but have a non-circular cross-section so that it cannot be rotated in the core pin guide.
- the core pin can have a shoulder that extends radially outward in sections and is designed to interact positively with a stop in the core pin guide in order to limit the displacement of the core pin in the core pin guide in the direction of the cylinder core.
- the housing recess has a smaller cross section than the core pin guide so that the core pin can only penetrate the housing recess with its locking sections, i.e. the locking surfaces.
- the core pin can comprise a release device which is designed in such a way that the core pin is displaced in the core pin guide from the blocking position into the release position when a key assigned to the cylinder lock is inserted into the key channel.
- the release device can preferably be magnetizable and particularly preferably comprise a permanent magnet which is designed to interact with a magnetic coding on the key.
- the core pin can be moved in the core pin guide essentially in the direction of its longitudinal axis as a result of the interaction with the release device.
- the release device and the core pin can interact in such a way that the core pin is moved in the direction of the key channel or in the direction of the housing, whereby the rotation of the cylinder core relative to the housing is released.
- the release device can be arranged in a recess of the core pin, preferably designed as a blind hole, which is particularly preferably arranged on the core side of the core pin, that is to say adjacent to the key channel.
- the blind hole can preferably be formed symmetrically about the longitudinal axis of the core pin.
- a first control surface can be provided which is flat and runs essentially normal to the longitudinal axis of the core pin. Furthermore, a second control surface can be provided on the core side of the core pin, which control surface is curved or arched along the longitudinal axis.
- the first control surface on the core side of the core pin can form a first circular ring section.
- the second control surface on the core side of the core pin can form a second circular ring section. Both circular ring sections can cover the outer circumference of the core side of the core pin.
- the control surfaces can in particular be arranged concentrically around the recess, preferably the blind hole.
- the control surfaces can preferably be designed to be offset in steps along the longitudinal axis, so that the second control surface extends further in the direction of the keyway than the first control surface.
- the second control surface can in particular be designed as a bar-shaped scanning extension for scanning a slot-shaped coding on the key. This can make it possible to further increase the security of the cylinder lock, since the key must be set up to move the core pin on the one hand, and must have a coding on the other hand which can interact with the control surface of the core pin. If necessary, the core pin is only moved by the interaction of the key and the control surface.
- a housing pin which is prestressed by a spring and interacts with the core pin can be provided in the housing recess.
- the housing pin can be designed in such a way that it forms a dividing plane between the cylinder core and the housing and releases this when a key assigned to the cylinder lock is inserted into the key channel.
- At least one spacer plate can be provided between the core pin and the housing pin, so that the rotation of the cylinder core relative to the housing is enabled in two or more positions of the core pin. In other words, the spacer plates enable two or more independent planes of division to be formed. This makes it possible, in particular, to use key systems with different key hierarchies for actuating the cylinder lock.
- the spacer plate is also displaced by displacing the core pin.
- the at least one core pin, in particular its housing side, or the at least one spacer plate is brought into a position in which the cylinder core can be rotated relative to the housing.
- the housing side of the at least one core pin, the housing side of the at least one spacer plate or the separating surface between the at least one core pin and the at least one spacer plate are preferably aligned with the separating line (dividing plane) between the cylinder core and the housing, so that, if necessary, the cylinder core can be rotated relative to the housing .
- the spacer plate is essentially cylindrical with a longitudinal axis, an end core side and an opposite housing side.
- the core side can rest on the core pin and the housing side on the housing pin or on another spacer plate.
- the core side can be positively engaged with the housing side of the core pin.
- the core side can preferably be designed essentially step-shaped by providing on the core side at least two blocking surfaces which protrude along the longitudinal axis to different extents, run essentially normal to the longitudinal axis and are optionally connected by a transition area.
- At least one blocking surface of the at least one spacer plate can preferably be flat, smooth and / or without elevation.
- the steps on the core side of the spacer plate can be formed by the at least two blocking surfaces.
- a transition area can be arranged between the at least two blocking surfaces of the core side of the spacer plate, which in particular runs obliquely to the longitudinal axis of the spacer plate.
- the spacer plate in particular its core and / or housing side, is preferably designed in such a way that the spacer plate can be positively connected, in particular to the core pin, in particular to the housing side of the core pin, and / or to a further spacer plate.
- the core side of the spacer plate can essentially correspond to the housing side of the core pin.
- the housing side of the spacer plate can essentially correspond to the core side of a further spacer plate.
- the housing side of the spacer plate can, however, not be stepped, but curved, inclined or rounded.
- the spacer plate can be guided together with the core pin. It can thereby be achieved that the spacer plate can be moved in the direction of its longitudinal axis in a non-rotatable manner.
- the cylinder lock can also have further query elements for querying any codes on the key.
- the invention also relates to a key for a cylinder lock according to the invention, the key having at least one preferably magnetic coding which is designed such that the core pin is moved from the blocking position to the release position when the key is inserted into the keyway.
- the key can also have other codings.
- the invention also relates to a locking device with a cylinder lock according to the invention and a key according to the invention. Further features according to the invention may emerge from the claims, the description of the exemplary embodiments and the figures.
- Figures 1a and 1b show a schematic representation of a first embodiment of a cylinder lock according to the invention
- Figures 2a and 2b show a schematic representation of a first embodiment of a core pin according to the invention
- Figures 3a and 3b show a schematic representation of a second embodiment of a core pin according to the invention
- Figure 4 shows a schematic representation of a spacer plate
- Figures 5a to 5c show a schematic representation of a section of a second embodiment of a cylinder lock according to the invention
- FIG. 1a and 1b show a schematic graphic representation of a first embodiment of a cylinder lock according to the invention, with part of FIG. 1a being shown enlarged in FIG. 1b.
- the cylinder lock comprises a housing 1 and a cylinder core 2 rotatably mounted therein. According to this illustration, a key 3 is inserted into the key channel 7 of the cylinder lock.
- the key channel 7 extends in a radial plane R through the axis of rotation D of the cylinder core 2 and has a core pin guide 13 in which a core pin 6 is displaceably arranged.
- the core pin guide 13 is arranged approximately normal to the radial plane R and eccentric to the axis of rotation D with an offset of about one third of the cylinder core radius from the axis of rotation D. In other words, the core pin guide 13 leads laterally and above the axis of rotation D transversely from the housing 1 through the cylinder core 2 into the key channel 7.
- the core pin 6 is shown in its release position. In this release position, the core pin 6 is arranged without protruding inside the cylinder core 2. As a result, in the release position, the dividing surface between cylinder core 2 and housing 1 is free and rotation of cylinder core 2 with respect to housing 1 is possible. The core pin 6 can be brought from this release position into its blocking position, as a result of which rotation of the cylinder core 2 with respect to the housing 1 is blocked.
- the core pin 6 comprises an essentially cylindrical base body on which a shoulder 21 is arranged.
- the shoulder 21 is designed to interact with the cylinder core 2, in particular with a stop 23 in the core pin guide 13, so that the movement of the core pin 6 along its longitudinal axis 5 is limited.
- the core pin 6 has a core side 8 and a housing side 9, which lie opposite one another.
- the core side 8 of the core pin 6 points in the direction of the key channel 7 and is designed to query a code on the key 3.
- the housing side 9 of the core pin 6 points in the direction of the housing 1 and is designed to engage in a housing recess 24.
- the core side 8 of the core pin 6 has first and second control surfaces 18, 19.
- the control surfaces 18, 19 are set up to query a coding, in particular an incision milling, on a side surface of the key 3.
- the first control surface 18 is designed in the form of a web-shaped scanning element which extends over the second control surface 19.
- the control surfaces 18, 19 of the core side 8 of the core pin 6 run essentially normal to the longitudinal axis of the core pin 6 and are essentially flat.
- the housing side 9 of the core pin 6 is step-shaped.
- the steps on the housing side 9 of the core pin 6 are formed by two locking sections 4, each of which has a locking surface 10 that is essentially perpendicular to the longitudinal axis 5 of the core pin 6.
- a contact surface 22 is provided adjacent to the blocking sections 4.
- the housing recess 24 has a smaller cross section than the core pin guide 13, so that the core pin 6 can only penetrate into the housing recess 24 with its locking sections 4, that is to say the locking surfaces 10.
- the further movement of the core pin 6 in the direction of the housing 1 is limited by the fact that the contact surface 22 on the housing side 9 of the core pin 6 hits the inner circumference of the housing 1.
- the core pin 6 comprises a release device 11 which is designed such that the core pin 6 is moved from the blocking position into the release position when a key 3 assigned to the cylinder lock is inserted into the key channel 7.
- the release device 11 is designed as a permanent magnet which is arranged in a blind hole 12 on the core side 8 of the core pin 6.
- FIGS. 1a and 1b show schematic representations of an embodiment of a core pin 6 ‘according to the invention in a side view and a sectional representation.
- This core pin 6 ‘ is a different embodiment than the core pin 6 shown in FIGS. 1a and 1b, although their features can preferably correspond.
- the core pin 6 'of this embodiment is essentially cylindrical, but has a non-circular cross-section due to a radially outwardly extending shoulder 21 Stop 23 in the core pin guide 13 strikes.
- the end face of the core pin 6 ' has a core side 8 pointing in the direction of the key channel 7 and designed to query a code on the key and a housing side 9 pointing in the direction of the housing 1 and designed to engage in a housing recess 24
- Blocking sections 4 projecting differently in the direction of the longitudinal axis 5 are provided, each of which has a blocking surface 10 running essentially normal to the longitudinal axis 5.
- the housing side 9 is thus designed in a stepped manner, the blocking surfaces 10 forming the steps.
- a short transition area 20 is provided between the blocking surfaces 10.
- the core pin 6 ‘comprises a release device 11 which comprises a permanent magnet which is designed to interact with a magnetic coding on the key 3.
- the release device 11 is arranged in a blind hole 12 of the core pin 6 ‘, which is arranged on the core side 8 of the core pin 6‘.
- the blind hole 12 is arranged essentially centrally and along the longitudinal axis 5 of the core pin 6 ‘and delimited by an annular section of the core side 8. This annular section forms a first control surface 18.
- Figures 3a and 3b show schematic representations of a second embodiment of a core pin 6 according to the invention in a side view and in a three-dimensional view.
- This embodiment of the core pin 6 is the core pin 6 shown in FIGS. 1a and 1b.
- the core pin 6 is in turn essentially cylindrical with a non-circular cross-section due to a radially outwardly extending shoulder 21
- the housing side 9 facing the housing 1 and designed to engage in a housing recess 24.
- two locking sections 4 projecting differently in the direction of the longitudinal axis 5 are provided, each of which has a locking surface 10 running essentially normal to the longitudinal axis 5.
- the housing side 9 is thus designed in a stepped manner, the blocking surfaces 10 forming the steps.
- a short transition area 20 is provided between the blocking surfaces 10.
- the core side 8 is essentially step-shaped. This is achieved in that a first control surface 18 is provided on the core side 8 of the core pin 6, which control surface 18 is flat and runs essentially normal to the longitudinal axis 5 of the core pin 6.
- a second control surface 19 is provided on the core side 8, which is designed to be curved along the longitudinal axis 5.
- the first and second control surfaces 18, 19 are arranged concentrically around the blind hole 12, that is to say form the boundary or edge thereof.
- the first control surface 18 forms a first circular ring section of the core side 8
- the second control surface 19 forms a second circular ring section of the core side 8.
- the first and second control surfaces 18, 19 are offset in steps along the longitudinal axis 5.
- the second control surface 19 is formed over an angular range of less than 180 ′′ and thus forms a web-shaped scanning pin which is designed for insertion into a corresponding cut-out on the key 3.
- FIG. 4 shows a schematic representation of a spacer plate 15 according to the invention.
- the spacer plate 15 is essentially cylindrical with a longitudinal axis 25, an end core side 16 and an opposite housing side 17.
- the length of the spacer plate 15 is preferably less than its diameter.
- the core side 16 is essentially step-shaped by providing on the core side 16 at least two blocking surfaces 10 which protrude along the longitudinal axis 25 to different extents, extend essentially normal to the longitudinal axis 25 and are connected by a transition region 20.
- the transition area 20 between the two steps of the core side 16 preferably runs obliquely to the longitudinal axis 25. In other exemplary embodiments, however, other shapes of the transition area 20, such as, for example, as part of a circular arc, are also provided.
- the housing side 17 is not stepped, but linear and inclined to the longitudinal axis 25.
- FIGS. 5a to 5c show schematic representations of a further embodiment of a cylinder lock according to the invention.
- the features of the embodiment according to FIGS. 5a to 5c can preferably correspond to the features of the embodiments according to FIGS. 1a, 1b, 2a, 2b, 3a, 3b and / or 4.
- a housing pin 26 which is prestressed by a spring 14 and interacts with the core pin 6 is provided in the housing recess 24.
- the spring 14 pushes the core pin 6 in the direction of the key channel 7.
- the spring 14 is arranged in the housing recess 24.
- the housing pin 26 is designed in such a way that it releases a dividing plane between the cylinder core 2 and the housing 1 when a key 3 assigned to the cylinder lock is inserted into the key channel 7.
- a spacer plate 15 is provided between the housing pin 26 and the core pin 6, the core side 16 of the spacer plate 15 resting against the core pin 6 and the housing side 17 resting against the housing pin 26.
- the core side 16 of the spacer plate 15 is therefore in positive engagement with the housing side 9 of the core pin 6.
- the spacer plate 15 rests with its core side 16 in a form-fitting manner on the housing side 9 of the core pin 6 and is connected to the core pin 6 in a form-fitting manner due to the stepped design of these sides.
- the spacer plate 15 is guided in the housing recess 24 and can be moved without twisting along its longitudinal axis 25.
- the core pin 6 is in a position in which the separating surface between the core pin 6 and the spacer plate 15 is aligned with the separating joint between the cylinder core 2 and the housing 1, so that the cylinder core 2 can be rotated relative to the housing 1.
- the core pin 6 is in a position in which the housing side 17 of the spacer plate 15 is aligned with the parting line between the cylinder core 2 and the housing 1, so that the cylinder core 2 can also be rotated relative to the housing 1.
- the core pin 6 is in a position in which the housing pin 26 blocks the parting line between the cylinder core 2 and the housing 1, so that the cylinder core 2 cannot be rotated relative to the housing 1. This configuration can be provided in all embodiments.
Landscapes
- Lock And Its Accessories (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ATA50336/2020A AT523709B1 (en) | 2020-04-20 | 2020-04-20 | Cylinder lock, key and locking device |
PCT/EP2021/059428 WO2021213829A1 (en) | 2020-04-20 | 2021-04-12 | Cylinder lock, key and locking device |
Publications (2)
Publication Number | Publication Date |
---|---|
EP4045743A1 true EP4045743A1 (en) | 2022-08-24 |
EP4045743B1 EP4045743B1 (en) | 2023-11-01 |
Family
ID=75581493
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP21719866.2A Active EP4045743B1 (en) | 2020-04-20 | 2021-04-12 | Cylinder lock and locking device |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP4045743B1 (en) |
AT (1) | AT523709B1 (en) |
ES (1) | ES2972186T3 (en) |
WO (1) | WO2021213829A1 (en) |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4205643C2 (en) * | 1992-02-25 | 1994-10-13 | Wilka Schliestechnik Gmbh | Profile cylinder |
DE29507953U1 (en) * | 1994-09-29 | 1995-07-27 | EVVA-Werk Spezialerzeugung von Zylinder- und Sicherheitsschlössern Gesellschaft m.b.H. & Co. KG, Wien | Flat key and cylinder lock |
DE19654136C2 (en) * | 1996-12-23 | 1999-11-18 | Schulte C E Gmbh | Locking cylinder |
US5823029A (en) * | 1997-01-29 | 1998-10-20 | International Security Products, Inc. | Cylinder lock system |
US5819566A (en) * | 1997-01-29 | 1998-10-13 | International Security Products, Inc. | Cylinder lock and key |
DE102010012261B4 (en) * | 2010-03-22 | 2015-08-20 | Abus Pfaffenhain Gmbh | locking system |
DE102013114423B4 (en) | 2013-12-19 | 2023-05-17 | M. van der Wal Holding B. V. | Lock cylinder with magnetic tumbler pin |
-
2020
- 2020-04-20 AT ATA50336/2020A patent/AT523709B1/en active
-
2021
- 2021-04-12 WO PCT/EP2021/059428 patent/WO2021213829A1/en active Search and Examination
- 2021-04-12 ES ES21719866T patent/ES2972186T3/en active Active
- 2021-04-12 EP EP21719866.2A patent/EP4045743B1/en active Active
Also Published As
Publication number | Publication date |
---|---|
EP4045743B1 (en) | 2023-11-01 |
AT523709B1 (en) | 2021-11-15 |
ES2972186T3 (en) | 2024-06-11 |
AT523709A4 (en) | 2021-11-15 |
WO2021213829A1 (en) | 2021-10-28 |
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