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
• • 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
  • E05B27/0021—Tumblers or pins having movable parts
• • 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
  • E05B27/02—Cylinder locks or other locks with tumbler pins or balls that are set by pushing the key in operated by the edge of the key
• • 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
  • E05B19/0064—Rectangular flat keys with key bits on at least one wide side surface of the key and with additional key bits on at least one narrow side edge of the key

Definitions

• the present invention relates to a key according to claim 1 and a system comprising a key and a rotary locking cylinder according to claim 10.
• the key according to the EP 2 844 811 It features a control element that interacts with a locking mechanism on the rotary cylinder.
• Two interlocking locking mechanisms are engaged. One locking mechanism is engaged by a fixed sensor on the key, and the other by a movable control element. This latter engagement is a kind of "floating" engagement controlled by the spring assemblies. Even if the EP 2 844 811 opposite EP 0 621 384 The security of the query is greatly increased, but the type of training requires very precise manufacturing.
• EP 2 844 811 It also has the disadvantage that the movable control element is poorly protected against rough mechanical impacts, for example, in the event of misuse or incorrect manipulation. Furthermore, the clearly visible and protruding arrangement of the spring-loaded control element in the The risk of key duplication is generally rather high. Furthermore, the protruding arrangement of the spring-loaded control element promotes mechanical wear on the control element.
• the invention is based on the objective of providing a key that overcomes the disadvantages of the prior art.
• a preferred objective is to provide a key that has an active control element, wherein the key is advantageously designed, especially with regard to robustness and/or security.
• a key for a rotary lock cylinder comprises a key handle and a key shaft adjoining the key handle, which extends along a longitudinal axis.
• the key shaft includes, on its outer surface, control recesses, in particular control bores, for engaging tumblers on the rotary lock cylinder and at least one control element movably arranged in the key shaft.
• the control element has a control surface that interacts with a tumbler of the rotary lock cylinder. When interacting with the tumbler, the control element is movable from a starting position to an engagement position.
• the key shaft has a recess for the control element, which extends into the key shaft from the outside.
• the recess is laterally surrounded by a side wall that extends around a central axis.
• the control surface of the control element lies in said recess.
• the control element By positioning the control element within the recess, the advantage is gained that the key shaft is not excessively weakened, as would be the case with a recess extending through the key shaft.
• the recess is surrounded by parts of the shaft, and any weakening is solely due to the recess itself. Consequently, by positioning the control element within the recess, its functionality can be maintained while preserving, or only minimally reducing, the stability and robustness of the key shaft.
• control element By placing the control element in the recess, the advantage is that the control element is more discreetly positioned for the viewer. The viewer, when... Looking at the key, one only sees a recess and does not recognize the control element at first glance.
• the control surface is located within the recess. This means that the control surface lies inside the recess. It is not located outside the recess. In other words, from the outside, the control surface is recessed into the key shaft. Therefore, the control surface and the control element are well protected from external influences by the side wall.
• the depression is preferably a bore.
• control element is arranged in the area of the key tip.
• one control element is arranged.
• two or more control elements are arranged.
• the control surface forms the base of the recess.
• the diameter of the side wall corresponds essentially to the diameter of the control surface.
• the side wall extends from the base or control surface towards the outside.
• control surface thus forms the base or bottom of the depression.
• the recess has an alignment surface that cooperates with a further locking mechanism of the rotary locking cylinder and extends around the central axis in a ring-shaped area, in particular in a circular area.
• the contact surface has an inner diameter and an outer diameter, with the contact surface extending between the inner and outer diameters. If the contact surface is shaped like an annulus, the inner and outer diameters are concentric with each other.
• the engagement surface like the control surface, is arranged in the recess.
• the engagement surface is an integral part of the key shaft.
• the recess with the alignment surface is preferably a stepped bore.
• the stepped bore can be produced very easily with a suitable drilling tool.
• the control surface is preferably located concentrically to the alignment surface.
• a first section of the side wall extends from the insertion surface to the outside of the key shaft and a second section of the side wall extends from the insertion surface to the control surface of the control element.
• the first section extends outwards from the outer diameter of the insertion surface, and the second section extends inwards from the inner diameter of the insertion surface.
• control surface is positioned deeper in the recess than the engagement surface.
• control surface is offset inwards relative to the engagement surface in the recess, viewed along the central axis. This inward offset offers the advantage that the control element lies deeper in the key shaft and is therefore well protected against mechanical impacts.
• the distance between the outer surface and the insertion surface, viewed along the central axis is greater or less than the distance between the insertion surface and the control surface, viewed along the central axis.
• the distance between the outer surface and the insertion surface, viewed along the central axis is equal to the distance between the insertion surface and the control surface, viewed along the central axis.
• the alignment surface is a flat surface that runs perpendicular to the central axis.
• the alignment surface surrounds the control surface on the outside.
• control surface is circular and the placement surface is concentric to the control surface.
• placement surface extends concentrically around the control surface.
• the side wall is conical at least in sections, so that the diameter of the recess becomes smaller with increasing distance from the outside.
• the conical shape of the side wall sections has the advantage of automatically centering the locking elements between the recesses. This is particularly beneficial for locking element elements with small cross-sections.
• the aforementioned first section extends conically to the insertion surface
• the aforementioned second section extends conically to the control surface.
• the design of the side wall with conical sections offers the advantage that transitions can be created in the recess which are beneficial with regard to stability. In particular, the angular transitions reduce any notch effects.
• the control element comprises a bolt arranged in a bore in the key shaft and a spring element, in particular a compression spring.
• the spring element exerts a force on the bolt that pushes the control element outwards from the key shaft.
• the bolt has the aforementioned control surface.
• the recess and the bore are arranged concentrically to each other.
• each of the control elements has a bolt arranged in a bore in the key shaft.
• a spring element in particular a compression spring, is arranged in the bore. The bolts are acted upon by the same spring element, with the control surface of the first bolt lying in a first of the aforementioned recesses and the control surface of the second bolt lying in a second of the aforementioned recesses.
• the depressions are oriented with respect to the longitudinal axis.
• the recesses are arranged opposite each other on opposite sides of the key.
• the recesses are located on the narrow sides of the key.
• the recesses and the bore are preferably arranged concentrically to each other.
• the bolt or at least one of the bolts, is held by a sleeve pressed into the bore, the sleeve having a through-opening through which the bolt extends.
• the bolt can be held by a step in the bore, and the other by the sleeve.
• the through-opening provides a section of said recess; in particular, such that the control surface lies within said section.
• the sleeve is positioned relative to the engagement surface in such a way that the sleeve has no effect on the engagement process of the subsequent locking mechanism.
• the sleeve is surrounded by the insertion surface, in particular that the sleeve has an outer diameter which corresponds to the inner diameter of said insertion surface.
• an end face of the sleeve is offset towards the longitudinal axis with respect to the insertion surface or arranged flush with the insertion surface.
• the sleeve is positioned relative to the insertion surface in such a way that the sleeve has no effect on the insertion process of the further locking mechanism.
• the sleeve only secures the corresponding bolt and has no influence on the engagement of the subsequent locking mechanism, which is engaged by the engagement surface.
• the engagement of the subsequent locking mechanism is carried out solely by the engagement surface, which is fixed to the key and is part of the key.
• the bolt has a cylindrical, in particular a circular cylindrical, cross-section.
• the bolt has a cylindrical or conical shape opposite the control surface.
• the guide pin is designed to protrude into the spring element, particularly the compression spring.
• the protrusion of the guide pin into the spring element has the advantage of centering the spring element within the bore.
• the shape of at least one of the control recesses on the key shaft is identical or similar to the shape of said recess. This offers the advantage of further concealing the position of the control element.
• the side wall extends completely around the central axis, such that the recess has no lateral opening.
• the control surface is located at the deepest point of the recess.
• the recess is open on its outer side, allowing free access for the locking mechanisms.
• the central axis of the recess preferably runs at an angle of 90° to the longitudinal axis.
• the side wall extends circularly around the central axis, with the diameter of the recess preferably varying over its depth.
• the control surface is designed as a flat surface running at an angle of 90° to the central axis of the recess.
• the invention is based on the objective of providing a rotary locking cylinder which is even more secure with regard to manipulation attempts.
• a system comprises a key as described above and a rotary locking cylinder, a stator, a rotor rotatably mounted in the stator with a key channel, at least one locking element cooperating with the control element movably mounted in the key shaft of the key, and at least one further locking element.
• the locking mechanism which works in conjunction with the control element, comprises a stator pin located on the stator and a rotor pin located on the rotor, as well as a stator pin spring acting on the stator pin.
• the stator pin spring acts on the stator pin and the The rotor pin exerts a spring force in the direction of the keyway.
• the stator pin and rotor pin engage at their ends via a conical structure.
• the rotor pin interacts with the control element in the key. Due to the conical structure between the stator pin and rotor pin, when the rotor is rotated by the key, the rotor pin moves the control element from a neutral position to an engagement position.
• the locking mechanism further comprises a stator sleeve movably mounted in the stator and a rotor sleeve movably mounted in the rotor, as well as a stator sleeve spring acting on the stator sleeve.
• the stator sleeve spring exerts a spring force on the stator sleeve and the rotor sleeve in the direction of the keyway.
• the stator sleeve and rotor sleeve can be switched from a locked to a released position by means of an engagement surface on the key.
• the stator pin is movably mounted in the stator sleeve, and the rotor pin is movably mounted in the rotor sleeve.
• the arrangement of the aforementioned pins within the aforementioned sleeves offers the advantage that all the elements to be inserted lie on a common axis, simplifying their insertion when using an authorized key. Furthermore, the more complex design of the locking mechanisms themselves makes manipulation more difficult for unauthorized operations, such as lock picking. Such manipulation would require inserting both the pins and the sleeves simultaneously, a process made significantly more challenging by the described structure.
• the rotor pin and the stator pin are positioned such that the rotor pin lies below the separation line between the rotor and stator, and the stator pin lies above the separation line between the rotor and stator.
• the separation line is a line formed between the rotor and stator.
• the rotary lock cylinder described herein is preferably operated with the key described herein.
• the rotary lock cylinder and the key described herein form a corresponding system.
• Other versions may also use different keys.
• the conical structure On the rotor pin side, the conical structure is formed by a conical surface that surrounds the central axis and is located on the outside. On the stator pin side, the conical structure is formed by a conical surface that surrounds the central axis and is located on the inside.
• stator sleeve and/or the rotor sleeve is conically shaped at the respective end faces where the stator sleeve and the rotor sleeve are in contact with each other, such that the contact area between the stator sleeve and the rotor sleeve is minimized.
• the stator sleeve has an inner surface and an outer surface, wherein the inner surface and/or the outer surface are conical.
• the stator pin has a cylindrical outer surface which, when the stator pin is in the locked position, lies at the level of the dividing line between the stator and rotor.
• the stator sleeve also has a cylindrical outer surface which, when the stator sleeve is in the locked position, lies at the level of the dividing line between the stator and rotor.
• the cylindrical outer surface of the stator pin and/or the cylindrical outer surface of the stator sleeve, each in the locked position provides a blockage of the rotor's rotational movement.
• both the locking pin and the further locking pin protrude into the keyway in the locking position and are movable towards the stator when the key is inserted.
• stator sleeve and the rotor sleeve are movable from the locked position radially outwards into an intermediate position by the contact of the stator sleeve with the outside of the key.
• stator sleeve and the rotor sleeve are movable radially inwards from this intermediate position into the release position.
• stator pin and the rotor pin are movable radially outwards from the locking position into an intermediate position by means of contact between the stator pin and the outside of the key, and that when the fully In the inserted position, the stator pin and the rotor pin can be moved radially inwards from the intermediate position into the release position.
• stator sleeve/rotor sleeve and the combination of stator pin/rotor pin are particularly preferred, moved radially outwards into the intermediate position and then radially inwards for alignment.
• the dimensions of the key, stator sleeve, rotor sleeve, stator pin, and rotor pin are selected such that, during movement from the locked position to the intermediate position, both the stator sleeve and rotor sleeve, as well as the stator pin and rotor pin, pass through the release position, whereby, due to the selected dimensions, the passage through the release position of the stator sleeve/rotor sleeve pair and the stator pin/rotor pin pair does not occur simultaneously. This ensures that, during movement into the intermediate position, one of the pairs is always in the locked position.
• the rotor sleeve has a stop surface on the rotor sleeve side
• the rotor pin has a stop surface on the rotor pin side, wherein, during the engagement of the rotor sleeve, the stop surface on the rotor sleeve side is moved against the stop surface on the rotor pin side until the two stop surfaces are in contact with each other.
• the rotor pin moves to a stop against the rotor sleeve.
• the rotor sleeve is fixed in the release position between the insertion surface of the key and the end face of the stator sleeve or the inner surface of the stator.
• stator sleeve spring provides a spring force that is greater than the spring force of the spring element acting on the control element.
• the stator sleeve and/or the rotor sleeve are made of a material that has a greater hardness than the material of the stator and/or the rotor.
• the stator sleeve and rotor sleeve are made of the same material.
• the stator sleeve and/or the rotor sleeve are made of hardened steel.
• the conical structure is formed by a conical surface circumferentially around the central axis
• the conical structure is formed by a conical surface circumferentially around the central axis
• a shoulder surface adjoins the conical surface of the rotor pin.
• a marginal section adjoins the conical surface of the stator pin.
• the shoulder surface is positioned such that it lies at the level of the dividing line between the rotor and stator.
• FIGS 1a to 2b Various views of a key 1 are shown.
• the key 1 is preferably used to operate a rotary locking cylinder 2 according to Figures 3a to 7c.
• FIGs 8a to 11 A further development of key 1 and rotary lock cylinder 2 is shown, where identical parts bear the same reference numerals.
• the key 1 comprises a key handle 3 and a key shaft 4 adjoining the key handle 3, extending along a longitudinal axis L.
• the key shaft 4 has on its outer surface 5 a plurality of control recesses 6, in particular control bores, for engaging tumblers on the rotary cylinder 2.
• the tumblers are engaged by the control bore in a known manner, such that the tumblers are moved from a locked position to a released position.
• the key 1 comprises at least one control element 7 movably arranged in the key shaft 4.
• the control element 7 is movably mounted relative to the key shaft 4.
• the control element 7 has a control surface 9 that interacts with a locking pin 8 of the rotary locking cylinder 2.
• the control element 7 can be moved from a starting position to an engagement position. During this movement, the control element 7 is moved relative to the key shaft 4.
• the key shaft 4 has a recess 10 for the control element 7.
• the recess 10 extends from the outer side 5 into the key shaft 4.
• the recess The recess 10 is laterally surrounded by a side wall 11 that extends around a central axis M.
• the side wall 11 extends completely around the central axis M, such that the recess 10 has no lateral opening.
• the control surface 9 of the control element 7 lies in the aforementioned recess 10.
• the recess 10 is open to the outside.
• the central axis M of the recess extends substantially perpendicular to the longitudinal axis L.
• the recess 10 is preferably designed as a bore, particularly preferably as a stepped bore.
• the control surface 9 forms the base of the recess when the control element 7 is in its initial position.
• "Essentially” means that there is a slight clearance of a few hundredths of a millimeter between the diameter D9 and the diameter D11. This is indicated by the visible gap in the Figure 2b , which represents a significant increase in the effective key size.
• the side wall 11 extends from the base or control surface 9 towards the outer side 5. When the control element 7 is moved during the insertion process, the control surface 9 is moved further into the key 1. The movement of the control element 7 is shown in the Figure 2b symbolized by the arrow P.
• the recess 10 further comprises an insertion surface 12.
• the insertion surface 12 serves to insert a further locking pin 13 of the rotary locking cylinder 2.
• the arrangement of the further locking pin 13 in relation to the aforementioned locking pin 6 is explained in more detail below.
• the insertion surface 12 extends in a ring-shaped area around the central axis M.
• the insertion surface 12 is spaced apart from the control surface 9 in the direction of the central axis M and forms an integral part of the key shaft 4.
• the insertion surface 12 is concentric with the central axis M.
• the control surface 9 lies deeper in the recess than the insertion surface 12.
• the side wall 11 extends in both directions.
• a first section 14 of the side wall 11 extends from the insertion surface 12 to the outer side 5 of the key shaft 4.
• a second section 15 of the side wall 11 extends from the insertion surface 12 to the control surface 9 of the control element 7. Both sections 14 and 15 run in the embodiment shown. conical, so that the diameter of each section becomes smaller with increasing distance from the outside.
• the distance A1 between the outer surface 5 and the classification surface 12 is greater or less than the distance A2, viewed along the central axis, between the classification surface 12 and the control surface 9.
• the two distances can also be equal.
• the classification area 12 is a flat surface that runs perpendicular to the central axis M.
• the flat surface has the outer shape of a circle.
• control element 7 in the key two control elements 7 and two associated recesses 10 are arranged.
• the recesses 10 are located opposite each other on the narrow sides of the key shaft 4 with respect to the central axis M.
• Each of the control elements 7 has a bolt 17 arranged in a bore 16 in the key shaft 4, with one bolt 17 being assigned to each recess 10.
• a spring element 18, in particular a compression spring, is arranged in the bore 16. The bolts 17 are acted upon by the same spring element 18.
• the control surface 9 of the first bolt 17 lies in a first of the aforementioned recesses 10, and the control surface 9 of the second bolt 17 lies in a second of the aforementioned recesses 10.
• One of the bolts here bolt 17, is held by a sleeve 19 pressed into the bore 16, the sleeve having a through-opening 20 through which the bolt 17 extends.
• the other bolt 17 abuts a step 37 of the bore 15.
• Both bolts 17 have a flange 38 extending perpendicularly from the bolt 17, with the flange 38 abutting either the sleeve 19 or the step 37.
• the sleeve 19 is surrounded by the engagement surface 12.
• the sleeve 19 has an outer diameter that corresponds to the inner diameter of the engagement surface 12.
• the sleeve 19 is positioned relative to the engagement surface 12 such that it does not affect the engagement process of the further locking element 13. That is, the sleeve 19 does not project beyond the engagement surface 12 from the bore 16.
• the bolt 17 has a cylindrical, in particular a circular cylindrical, cross-section.
• the bolt 17 has a cylindrical or conical guide pin 21 opposite the control surface 9, the guide pin preferably projecting into the spring element.
• the shape of at least one of the control recesses 6 on the key shaft 4 is identical or similar to the shape of said recess 10.
• the rotary locking cylinder 2 is preferably operated with the key 1 described herein.
• the rotary locking cylinder 2 comprises a stator 22, a rotor 23 rotatably mounted in the stator 22 with a key channel 24, at least one locking pin 8 cooperating with the control element 7 movably mounted in the key shaft 4 of the key 1 and at least one further locking pin 13.
• the locking device 8 which cooperates with the control element 7, comprises a stator pin 25 arranged on the stator 22 and a rotor pin 26 arranged on the rotor 23, as well as a stator pin spring 27 acting on the stator pin 25.
• the stator pin spring 27 exerts a spring force on the stator pin 25 and the rotor pin 26 in the direction of the keyway 24, with the stator pin 25 and the rotor pin 26 engaging at their end faces via a conical structure 28.
• the rotor pin 26 cooperates with the control element 7 in the key 1.
• the conical structure is designed here as a conical recess 40 on the stator pin 25 and as a conical counterpart 41 on the rotor pin 26.
• the conical counterpart 41 is shaped to match the conical recess 40.
• the further locking mechanism 13 comprises a stator sleeve 29 movably mounted in the stator 22 and a rotor sleeve 30 movably mounted in the rotor 23, as well as a stator sleeve spring 31 acting on the stator sleeve 29.
• the stator sleeve spring 31 exerts a spring force on the stator sleeve 29 and the rotor sleeve 30 in the direction of the keyway 24.
• the stator sleeve 29 and the rotor sleeve 30 are held in a locked position by the engagement surface 12 on the key 1.
• a release position can be assigned.
• the stator pin 25 is movably mounted in the stator sleeve 29 and the rotor pin 26 is movably mounted in the rotor sleeve 30.
• stator pin 25 and the rotor pin 26, as well as the stator sleeve 29 and the rotor sleeve 30, are shown in the locked position.
• the rotor 23 cannot be pivoted towards the stator 22 because the stator sleeve 29 lies at the level of the dividing line T between the rotor 23 and the stator 22, thus preventing movement between the rotor 23 and the stator 22.
• stator sleeve 29, rotor sleeve 30, stator pin 25, and rotor pin 26 are selected such that, during the movement from the locked position to the intermediate position, both stator sleeve 29 and rotor sleeve 30, as well as stator pin 25 and rotor pin 26, pass through the release position. However, due to the selected dimensions, the passage through the release position of the pairing of stator sleeve 29 and rotor sleeve 30, and of the pairing of stator pin 25 and rotor pin 26, does not occur simultaneously.
• the locking mechanism 9, 13 is then engaged in the release position. During this process, stator sleeve 29, rotor sleeve 30, stator pin 25, and rotor pin 26 are moved radially inward from the intermediate position.
• the release situation will be in the Figures 6a, 6b and 6c shown.
• the rotor sleeve 30 In the release position, the rotor sleeve 30 is in contact with the alignment surface 12 on the key 1, and the contact surface between the stator sleeve 29 and the rotor sleeve 30 lies on the dividing line T. Further
• the stator pin 25 is in contact with the control surface 9 of the control element 8 of the key 7.
• the rotor pin 26 is fully embedded in the stator 22.
• the rotor 23 can be pivoted relative to the stator 22 using the key 1.
• FIG. 7a The figure shows how the conical structure 28 provides the movement.
• the control element 9 is moved into the key 1 by the rotor pin 26, and the spring element 18 is compressed in the process.
• Figure 7b The rotor 23 is shown in another position, in which the contact between rotor pin 26 and stator pin 25 is completely broken. The rotor 23 can rotate freely.
• stator sleeve 29 and/or the rotor sleeve 30 are conically shaped at their respective end faces 32, where the stator sleeve 29 and the rotor sleeve 30 are in contact with each other.
• the conical shape is such that the contact area between the stator sleeve 29 and the rotor sleeve 30 is minimized.
• the stator pin 25 has a cylindrical outer surface 35 which, when the stator pin 25 is in the locked position, lies at the level of the dividing line between stator 22 and rotor 23.
• the rotor pin 26 has a cylindrical outer surface 39 which, in the intermediate position, lies at the level of the dividing line between stator 22 and rotor 23.
• the stator sleeve 29 has a cylindrical outer surface 36 which, when the stator sleeve 29 is in the locked position, lies at the level of the dividing line between stator 22 and rotor 23.
• Both the locking pin 8 and the further locking pin 13 protrude into the key channel 24 in the locking position and, as described above, can be moved towards the stator 22 when the key 1 is inserted.
• the rotor sleeve 30 has a rotor sleeve-side stop surface 33 and the rotor pin 25 has a rotor pin-side stop surface 34.
• the rotor sleeve-side stop surface 33 is moved against the rotor pin-side stop surface 34 until the two stop surfaces 33, 34 are in contact with each other.
• the rotor sleeve 30 is fixed in the release position between the engagement surface 12 of the wrench 1 and the end face of the stator sleeve or the inner surface of the stator. This is shown in the Figures 7a / 7b shown.
• the stator sleeve spring 31 provides a spring force which is greater than the spring force of the spring element 18 acting on the control element 7.
• FIG. 8a and 8b A further development of the key 1 described above is shown.
• Key 1 according to the Figures 8a and 8b differs from the other key by the position of the control surface 9. Otherwise, key 1 is identical to the key according to the Figures 1 to 7
• the control surface 9 is located deeper in the key shaft 4 than in the embodiment according to the Figures 1 to 7 Viewed in the direction of the central axis M, the distance A1 between the outer surface 5 and the alignment surface 12 is smaller in this further development than the distance A2, viewed in the direction of the central axis, between the alignment surface 12 and the control surface 9.
• the lower control surface 9 has the particular advantage that greater flexibility for the movements of the stator sleeve 29 and rotor sleeve 30 can be achieved during alignment. This is in conjunction with the stator pin 25 and the rotor pin 26.
• the rotary locking cylinder 2 differs from the shape of the stator pin 25 and the rotor pin 26.
• the stator pin 25 and the rotor pin 26 engage with each other at their ends via a conical structure 28.
• the conical structure is designed here as a conical recess 40 on the stator pin 25 and as a conical counterpart 41 on the rotor pin 26.
• the conical recess 40 has a conical surface.
• the conical counterpart 41 is shaped to match the conical recess 40.
• the conical counterpart has a conical surface.
• a shoulder surface 42 adjoins the conical counterpart 41, extending away from the conical counterpart 41 essentially perpendicular to the central axis M.
• An edge section 43 adjoins the conical recess 40.
• the edge section 43 extends to the shoulder surface 42 and is preferably in contact with the shoulder surface 42 in the locking position.
• the shoulder surface 42 is in the alignment position, as shown in the Figure 10 shown such that the shoulder surface 42 lies at the level of the dividing line between rotor 23 and stator 22.

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• Preventing Unauthorised Actuation Of Valves (AREA)

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ID=90368286

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• 2024
  • 2024-11-08 PL PL24801305.4T patent/PL4646519T3/pl unknown
  • 2024-11-08 EP EP24801305.4A patent/EP4646519B1/de active Active
  • 2024-11-08 ES ES24801305T patent/ES3061582T3/es active Active
  • 2024-11-08 MA MA73146A patent/MA73146B1/fr unknown
  • 2024-11-08 HR HRP20260073TT patent/HRP20260073T1/hr unknown
  • 2024-11-08 EP EP25217626.8A patent/EP4675067A3/de active Pending
  • 2024-11-08 WO PCT/EP2024/081726 patent/WO2025195620A1/de active Pending

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