EP3339538A1 - Ébauche de clé pour fabrication d'un clé pour une serrure cylindrique, clé, dispositif de fermeture et procédure - Google Patents

Ébauche de clé pour fabrication d'un clé pour une serrure cylindrique, clé, dispositif de fermeture et procédure Download PDF

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Publication number
EP3339538A1
EP3339538A1 EP18164763.7A EP18164763A EP3339538A1 EP 3339538 A1 EP3339538 A1 EP 3339538A1 EP 18164763 A EP18164763 A EP 18164763A EP 3339538 A1 EP3339538 A1 EP 3339538A1
Authority
EP
European Patent Office
Prior art keywords
key
recess
side surfaces
longitudinal direction
shaft
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
EP18164763.7A
Other languages
German (de)
English (en)
Other versions
EP3339538B1 (fr
Inventor
Toni Wünsch
Thomas Kaiser
Gunnar Hoff
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.)
Dom Sicherheitstechnik GmbH and Co KG
Original Assignee
Dom Sicherheitstechnik GmbH and Co KG
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
Priority to ES18164763T priority Critical patent/ES2860805T3/es
Priority to SI201830255T priority patent/SI3339538T1/sl
Priority to DK18164763.7T priority patent/DK3339538T3/da
Priority to PL18164763T priority patent/PL3339538T3/pl
Priority to HUE18164763A priority patent/HUE053602T2/hu
Application filed by Dom Sicherheitstechnik GmbH and Co KG filed Critical Dom Sicherheitstechnik GmbH and Co KG
Priority to EP18164763.7A priority patent/EP3339538B1/fr
Publication of EP3339538A1 publication Critical patent/EP3339538A1/fr
Application granted granted Critical
Publication of EP3339538B1 publication Critical patent/EP3339538B1/fr
Priority to HRP20210307TT priority patent/HRP20210307T1/hr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • E05B19/0023—Key profiles characterized by variation of the contact surface between the key and the tumbler pins or plates
    • 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
    • E05B19/0029—Key profiles characterized by varying cross-sections of different keys within a lock system
    • 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
    • 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 blank for producing a key for a lock cylinder, the key blank having a shank extending along a longitudinal direction, the shank having a, in particular substantially rectangular, cross section perpendicular to the longitudinal direction, the cross section having two broader broader faces and has two narrower narrow side surfaces. Furthermore, the present invention relates to a key for a lock cylinder, a device with a lock cylinder and a key and method for producing a key.
  • the document shows WO 2014/032191 A1 a blank for producing a security key with at least two coding / Zuannos Pacificn on the flat sides of the key for an associated cylinder with tumblers and Gegenzuroisen. Furthermore, a security key is shown with at least two code / tumbler rows on the flat sides of the key for an associated cylinder with tumblers and counter-tumblers.
  • the document shows DE 10 2015 111 914 A1 a key for a lock cylinder, the key having a keyway extending along a longitudinal direction with two opposing wrench broad side surfaces, the key shank having a recess through the key wide side surfaces, a shaft extending through the recess, and the shaft non-rotatably in the key shank is arranged, and wherein in the recess at least two rings on the shaft are arranged side by side, wherein an inner diameter of each ring is greater than an outer diameter of the shaft.
  • Such keys are made from pre-produced key blanks. In general, efforts are made to keep the cost of production as low as possible.
  • a key blank for producing a key for a lock cylinder, wherein the key blank has a shaft extending along a longitudinal direction, the shaft having a, in particular substantially rectangular, in cross section perpendicular to the longitudinal direction, wherein the Cross-section has two broader broader side surfaces and two narrower narrow side surfaces, wherein the key blank is a reversible key blank, wherein the shaft has a recess with a rectangular bottom surfaces in each of the broad side surfaces, wherein a thickness of the key blank between the bottom surfaces of the recesses is less than 1.8 mm.
  • Such a key blank which is provided for use in the manufacture of a reversible key, usually has a key rail (12), ie a handle or holding portion, on and an adjoining along the longitudinal direction extending key shank.
  • This key shaft is then provided for insertion into a lock cylinder.
  • the key shank has a substantially rectangular shape in cross-section. This results in the cross section two wider or longer sides and two narrower or shorter sides. The two longer or wider sides are called here wide side surfaces. In the prior art, these broadside surfaces are also referred to as flat sides.
  • a thickness of the key blank between the bottom surfaces should be less than 1.8 mm. In particular, the thickness may be less than 1.6 mm, more particularly less than 1.4 mm.
  • such a key blank can be used for a plurality of key types or locking systems.
  • the recess can be used to query a pin tumbler, as will be explained in the context of the present application.
  • it may also be provided, for example, to remove the remaining material thickness of less than 1.8 mm and to provide a recess by means of the recesses into which, for example, ring elements can then be inserted, as described in the document DE 10 2015 111 914 A1 is shown.
  • a key for a lock cylinder, the key having a shaft extending along a longitudinal direction, the shaft having a, in particular substantially rectangular, cross section perpendicular to the longitudinal direction, the cross section having two broader broader sides and two narrower narrow side surfaces, wherein the key is a reversible key, wherein the shank has a recess with a rectangular bottom surface in each of the broad side surfaces, and wherein a thickness of the key between the bottom surfaces of the recesses is less than 1.8 mm, and wherein the recesses three Side surfaces each extending from the respective broad side surface to the respective bottom surface, wherein one of the side surfaces extending parallel to the longitudinal direction and two side surfaces extending perpendicular to the longitudinal direction.
  • a key in which a recess can be used as a form element for querying a locking device, in particular a pin tumbler.
  • a security key may be made from the key blank according to the first aspect of the invention. After a profiling of the key shank one of the side surfaces can be recessed towards a milled groove of the key profile. Due to the pre-embossment of the recess no further milling work for the production of the recess in the key is necessary.
  • a pin tumbler can interrogate the rectangular contour of the recess or the bottom surface or else further geometric design of the recess and / or the bottom surface, as described in the further course in embodiments.
  • a third aspect is a locking device with a lock cylinder and a key according to the second aspect of the invention or one of its embodiments wherein the lock cylinder comprises a housing and a cylinder core, the lock cylinder having a plurality of locking fuses, each locking fuse being movable between a locked state and a release state and locking and releasing the cylinder core against the housing in the lock state; and wherein the lock cylinder is convertible by the complete insertion of the key into a keyway of the cylinder core from the locked state to the release state, and wherein the recess is associated with one of the locking fuses.
  • a locking device which uses the key according to the second aspect of the invention and wherein one of the locking fuses of the recess is assigned, so that it is used as a security-relevant query feature.
  • a blocking fuse may in particular be a pin tumbler.
  • further locking devices or pin tumblers can be provided to query other features of a key in the locking device.
  • a method of manufacturing a key comprising the steps of providing a key blank according to the first aspect of the invention or one of its embodiments, in forming a desired key profile by machining the stem in the longitudinal direction; and the completion of the key by further machining, in particular wherein the finishing comprises the introduction of recesses by means of drilling.
  • the bottom surfaces overlap one another in a direction perpendicular to the broad side surfaces.
  • the overlap can be such that a bore guided vertically through both broad side surfaces can run through both base surfaces.
  • the key blank has a key rail (12) from which the shaft extends, and wherein the recesses are arranged in a front third of the shaft facing away from the key rail (12).
  • the shaft has a key tip remote from the key ridge (12), and wherein a center of each recess is 5 mm to 8 mm, in particular 6 mm to 7 mm, away from the key tip.
  • At least one first rib extending in the longitudinal direction and one extending in the longitudinal direction second rib are arranged on each of the broad side surfaces, wherein the first rib in a direction parallel to the broad side surfaces and perpendicular to the longitudinal direction wider than the second rib is.
  • a blank can be provided, over which by means of the ribs and milling operations in the longitudinal direction suitable key profile can be generated.
  • each of the recesses is arranged between the respective first rib and second rib.
  • ribs and recess contours in particular in a cross section perpendicular to the longitudinal direction, can be used to query suitable pencil contours and interact.
  • a side surface of the recess extending parallel to the longitudinal direction is subsequently arranged on the first rib and the recess is open towards the second rib.
  • the first rib is twice as wide as the second rib, in particular wherein the first rib is less than or equal to 2 mm wide and the second rib is less than or equal to 1 mm wide.
  • the rectangular bottom surface has a length parallel to the longitudinal direction of 1.5 mm to 2.5 mm, in particular has a length of 2.12 mm.
  • both ring elements for keys of the second type can be arranged as well as a suitable space for retrieving pin tumblers in keys of a first type can be provided.
  • the rectangular bottom surface has a width in a direction parallel to the broad side surfaces and perpendicular to the longitudinal direction of 1.5 mm to 2.5 mm, in particular a width of 1.7 mm inclusive inclusive , 1 mm.
  • both a second type key with two rings can be translated into a recess, and a sufficiently large area can be provided to interrogate a suitable pen scan across the bottom surface.
  • a center plane extending in the longitudinal direction of each recess is arranged with an offset to a center plane of the broad side surface extending in the longitudinal direction, in which the respective recess is arranged.
  • the key blank is a reversible key blank. Consequently, the recesses are arranged on the two broad side surfaces either symmetrical to the median plane, so that the turning key suitability inevitably results. It is therefore also possible that the recesses are arranged in the opposite direction with an offset to the median plane, so that a reversible key blank is maintained.
  • the recesses overlap then but not completely, but only partially. However, this can be sufficient for producing the recess by milling the recesses.
  • the offset can then be another feature that can be queried by means of a pin tumbler.
  • the offset is 0.15 mm to 0.55 mm in each case.
  • the offset may be 0.2 mm to 0.5 mm.
  • the offset may be 0.22 mm or 0.42 mm.
  • each of the recesses has at least three, in particular four, side surfaces which each extend from the respective broad side surface to the respective bottom surface, and wherein each of the side surfaces at an angle to a plane perpendicular to the Wide side surfaces is inclined, each recess opens from the base to the broad side surface.
  • each recess opens from the baseline to the broadside surface, in other words, the recess is tapered from the broad side surface toward the bottom surface.
  • the recess thus has no undercut.
  • Each broadside surface may have the same angle with respect to the plane. The angles can, however, basically be different. In principle, it can also be provided that not all of the at least three, in particular four, side surfaces, but fewer side surfaces have an angle different from 0 ° with respect to the plane.
  • the angle is 5 ° to 15 °, in particular wherein the angle is 10 °.
  • each of the recesses has at least three, in particular four, side surfaces which each extend from the respective bottom surface to the respective broad side surface, and wherein at least one of the side surfaces merges with a radius in the respective broad side surface, in particular wherein two perpendicular to the longitudinal direction extending side surfaces with the radius in the respective broad side surface. It is also possible for three or all four side surfaces with the radius to transition into the respective broadside surface.
  • the radius is in each case 0.2 mm to 0.6 mm, in particular it can be 0.4 mm.
  • a maximum thickness between the broad side surfaces is 2.4 mm to 2.8 mm, in particular wherein the maximum thickness between the broad side surfaces is 2.6 mm.
  • the bottom surface has a non-planar profile in a cross-section perpendicular to the longitudinal direction.
  • the profile may be stepped, oblique, curved and / or jagged.
  • the bottom surface can thus not be straight, but inclined, stepped, curved, and / or jagged be configured. Any non-planar profiling may be provided. In this way, another security feature may be provided which must be met by a pin that slides into the recess to fully immerse in the recess.
  • the bottom surface has a geometric body which extends from the bottom surface in the direction of the broad side surface, in particular wherein the geometric body is a hemisphere, a cone, a cuboid or a cylinder. It can be any three-dimensional geometric body.
  • a geometric configuration of the bottom surface of the recess can also be provided, which must be complementarily fulfilled by a pin element in order to be able to slide completely into the recess.
  • a pin element in order to be able to slide completely into the recess.
  • each of the side surfaces is inclined at an angle to a plane perpendicular to the broad side surfaces perpendicular, and wherein each recess opens from the base to the broad side surface.
  • a further security feature can be provided by means of the inclination of the side surfaces.
  • a sliding in of a pin in or out of the recess can be simplified out.
  • the side surfaces have no undercut. From the bottom surface toward the broadside surface, the cross-sectional area of the recess thus becomes larger.
  • the angle is 5 ° to 15 °, in particular wherein the angle is 10 °.
  • both the insertion or removal of the key into a lock cylinder can be made softer and, moreover, an additional security feature can be provided.
  • At least one of the side surfaces merges with a radius in the respective broad side surface, in particular wherein two perpendicular to the longitudinal direction extending side surfaces with the radius in the respective broad side surface. It is also possible for three or all four side surfaces with the radius to transition into the respective broadside surface.
  • the radius can serve as a security feature, so that a pin must have a correspondingly complementary radius in order to completely immerse in the recess.
  • the radius is in each case 0.2 mm to 0.6 mm, in particular 0.4 mm.
  • first rib extending in the longitudinal direction and one second rib extending in the longitudinal direction are arranged on each broad side surface, wherein the first rib is wider than the second rib perpendicular to the longitudinal direction.
  • each of the recesses is arranged between the respective first rib and second rib.
  • the first rib is twice as wide as the second rib, in particular wherein the first rib is less than or equal to 2 mm wide and the second rib is less than or equal to 1 mm wide.
  • the side surface of the recess extending parallel to the longitudinal direction is subsequently arranged on the first rib, and wherein the recess is open towards the second rib.
  • a contour of the recess in a cross section perpendicular to the longitudinal direction can be continued, and thus can serve as a further security feature.
  • the recess has a straight contour, a stepped contour or an oblique contour in a cross section of the key perpendicular to the longitudinal direction.
  • the contour of the recess is to be distinguished from the above-described profile of the bottom surface in this cross section.
  • the recess in the cross section perpendicular to the longitudinal direction may be straight, oblique or inclined or stepped. In this way, but also a barrier height of Stiftzunes can be defined. It has been shown that a sufficient blockage is provided with the specified dimensions.
  • the bottom surface has a non-planar profile in a cross section perpendicular to the longitudinal direction.
  • the profile may be stepped, oblique, curved and / or jagged.
  • the bottom surface in the cross-section perpendicular to the longitudinal direction may be profiled in such a way as to provide an additional security feature which must be fulfilled by a tumbler or pin of a pin tumbler.
  • the bottom surface has a geometric body which extends from the bottom surface in the direction of the broad side surface.
  • the geometric body may be a hemisphere, a cone, a cuboid or a cylinder.
  • a security feature can be provided in this way, which is formed three-dimensionally and thus can provide even greater security.
  • the recess associated with the locking device is designed as pin tumbler.
  • the pin tumbler can be an active sprung pin tumbler.
  • the recess can be advantageously used in particular with a pin tumbler as a locking device.
  • a pin tumbler which is prestressed into the recess by means of a spring, can be advantageously used.
  • a core pin must then have a geometry in which it can fully immerse in the recess to bring the locking device in the release state.
  • the locking device associated with the recess has a housing pin and a core pin, wherein the core pin has a contact surface facing away from the housing pin, and wherein the bearing surface is arranged in the release state in the recess.
  • the core pin must be completely immersed in the recess to be located in the release state.
  • the support surface in the release state can rest on the bottom surface.
  • the bearing surface can also be spaced in the release state of the bottom surface and the core pin on another, trained surface, for example, a circumferential collar surface outside of a closing channel of the cylinder core, come to rest on the cylinder core.
  • the core pin has in both directions parallel to the longitudinal direction of a ramp.
  • a profile of the support surface of the core pin is formed in a cross section perpendicular to the longitudinal direction complementary to a profile of the bottom surface in the cross section in the release state.
  • the core pin must thus have a bearing surface which is complementary to the bottom surface of the recess, in order to dive completely into the recess and bring the display surface completely with the ground surface system.
  • the bottom surface of the recess has a geometric body which extends from the bottom surface in the direction of the broad side surface, in particular wherein the geometric body is a hemisphere, a cone, a cuboid or a cylinder, and wherein the Support surface of the core pin has a recess which is formed complementary to the geometric body.
  • the steps of machining, in particular milling, of the recesses so that the shaft has a recess through the broad side surfaces; the introduction of two rings in the recess; arranging a shaft rotationally fixed in the shaft extending through the recess and the rings, the two rings being juxtaposed on the shaft, and an inner diameter of each ring being larger than an outer diameter of the shaft.
  • the at least two rings are arranged side by side on the common shaft.
  • the rings can independently rotate on the shaft.
  • the rings can be moved independently of each other perpendicular to a longitudinal axis of the shaft. This is possible because the inner diameter is larger than the outer diameter of the shaft.
  • the extent to which a ring can be moved perpendicular to the longitudinal axis of the shaft is measured by how much larger the inner diameter of the ring than the outer diameter of the shaft.
  • the inner diameter of the ring can be 1.25 times the outer diameter of the shaft, in particular 1.5 times, in particular 2 times, in particular 2.5 times.
  • a step of forming a desired key profile by machining the shaft in the longitudinal direction is carried out.
  • At least the providing step is carried out at a first production site, and that at least the finishing step is performed at a second manufacturing site.
  • Fig. 1 shows an embodiment of a key blank 10.
  • the key blank 10 has a key track 12 and a key shank 14.
  • the key shaft 14 extends from the key track 12 in a longitudinal direction, which in the Fig. 1 is denoted by X or the reference numeral 11.
  • Perpendicular to this longitudinal direction extends a transverse direction, which is denoted by Y.
  • the direction Z is perpendicular to X and Y. Together, the axes of the directions X, Y and Z form a Cartesian coordinate system.
  • the plane YZ is perpendicular to the longitudinal direction X. In this direction, for example, the cross-section IV-IV of Fig. 4 shown.
  • the cross-section III-III of Fig. 3 is shown in the plane XZ.
  • the key shank 14 has a substantially rectangular cross-sectional shape in the Y-Z plane.
  • the two narrower sides of the rectangle are designated by the reference numeral 16 and are referred to as narrow sides.
  • the longer sides of the rectangle are designated by reference numerals 18 and 18 'and are referred to below as broad side surfaces. These broadside surfaces are also referred to as flat pages in other terminologies.
  • the key blank on the shaft has two ribs 24 and 26.
  • the rib 24 is wider than the rib 26 shown.
  • the rib 24 is also referred to as the first rib.
  • the rib 26 is also referred to as a second rib.
  • the first rib 24 may be formed with a width of 2 mm.
  • the second rib 26 may be formed with a width of 1 mm.
  • the key blank 10 is formed as a reversible key blank with corresponding axis symmetry of the shaft along its longitudinal axis 29, which runs parallel to the longitudinal direction, compare this Fig. 4 ,
  • a recess 28 is arranged in each case.
  • the recess 28 is formed between the ribs 24 and 26 in the illustrated embodiments.
  • the recess 28 will be explained in more detail below.
  • the recess has a rectangular shape and rectangular bottom surface.
  • the recess 28 is arranged in the front third of the key shaft 14.
  • the Fig. 2 shows a plan view of the key blank 10 of Fig. 1 , Shown is a distance 46 of a center 45 of the recess 28 to the key tip 22.
  • the distance 46 may be 5 to 8 mm, in particular 6 to 7 mm.
  • FIG. 3 is a cross-sectional view taken along the line III-III in the Fig. 2 shown.
  • a thickness of the key blank, which is designated 48, is between 2.4 to 2.8 mm, in particular, it may be 2.6 mm.
  • the thickness of the key blank between the bottom surfaces, which is denoted by 34, is less than 1.8 mm, in particular less than 1.5 mm, in particular less than 1.4 mm.
  • a length of the recess 28 in the longitudinal direction is in a range of from 1.5 mm to 2.5 mm inclusive, in particular, the longitudinal may be 2.12 mm.
  • a width of the recess 28 may be 1.5 mm to 2.5 mm, in particular from 1.7 to 2.1 mm including inclusive.
  • the side surfaces of the recess which are perpendicular to the longitudinal direction, are 39 and 39 'in the Fig. 3 designated. They are inclined relative to a plane perpendicular to the longitudinal direction by an angle, which is designated by the reference numeral 35. This angle 35 is 5 ° to 15 °, in particular, it may be 10 °.
  • a bottom surface of the recess 28 is designated by the reference numeral 32.
  • a bottom surface of the recess 28 ' is designated by the reference numeral 32'.
  • the Fig. 4 shows a section perpendicular to the longitudinal direction.
  • the side surfaces which are parallel to the longitudinal direction are denoted by 37 and 37 ', respectively. These are inclined by an angle denoted by reference numeral 36 with respect to a plane along the longitudinal direction which is perpendicular to the broad side surfaces 18, 18 '. This angle can also be 5 ° to 15 °, in particular 10 °.
  • the angles 35 and 36 may be identical but also designed differently.
  • the recesses 28, 28 ' are arranged due to the configuration of the key blank 10 as a reversible key blank that they overlap each other.
  • the recesses 28, 28 'in this case symmetrically to a center of the key blank, ie symmetrically to the sectional plane of the Fig. 3 be arranged.
  • the Fig. 21 schematically shows the arrangement of two rings 98, 98 'as movable elements on a shaft 99 within a recess prepared in this way by the broad side surface 18, 18' of the key blank 10th
  • the Fig. 5 shows a key 58, which may, for example, be made from the key blank 10.
  • the key also has the recess 28.
  • a profile 38 formed by longitudinal grooves straight to the longitudinal direction X for example, cut or milled. In principle, however, such a profile can also be formed in the key blank 10.
  • the Fig. 6 shows a section along a line VI-VI of Fig. 5 , In this view, a center plane 40 of the key 58 is shown. In the corresponding center plane, the key blank 10 also has. In the middle of the recess 28 'is designated 42. The recess 28 'has an offset 44 to the center 40.
  • the offset can be between 0.15 mm to 0.55 mm. In particular, the offset may be 0.22 mm or 0.42 mm.
  • the recess 28 In the illustrated embodiment and the view of Fig. 6 is the offset of the recess 28 'to the left of the plane 40. Accordingly, the recess 28 is offset in the opposite direction from the center 40 to the right and the same offset 44. This is necessary due to the formation of the key as a reversible key or the key blank as a reversible key blank. Like in the Fig. 6 As a result, the recesses do not overlap completely. However, the recesses still overlap so much that the generation of the recess is still substantially simplified.
  • Profiled grooves cut along the longitudinal direction X are indicated schematically at 38, 38 ', 38 "and 38'".
  • the side surfaces 39 and 39 ' ie those side surfaces which are perpendicular to the center plane 40 and XZ plane, by means of a radius in the broad side surfaces 18, 18' over.
  • This radius is designated 30.
  • This radius is 0.2 mm to 0.6 mm, in particular 0.4 mm.
  • FIGS. 7a to 9b various possible cross-sectional profiles of the key are shown. In particular, they differ in the cross-sectional contour of the recess 28.
  • the recess 28 may have a straight cross-sectional contour.
  • the recess 28 is disposed between the wide rib 24 and the narrow rib 26 and formed open to the second rib or narrow rib 26 due to the formed groove.
  • the recess 28 thus has only three side surfaces. The two side surfaces are transverse to the longitudinal direction and one parallel to the longitudinal direction. The same applies to the recess on the opposite side.
  • the recess is formed with a stepped contour.
  • the profile is designed such that the contour of the recess is stepped.
  • a contour of the recess due to the profiling of the key 58 or the key profile 10 may also be formed obliquely.
  • a bottom surface 32 of the recess 28 may be formed with various possible profiles.
  • the floor surface is always straight.
  • the bottom surface may also be formed stepped.
  • the bottom surface is formed obliquely.
  • the bottom surface is curved and formed in the Fig. 10d the bottom surface is serrated. Other profiles are possible.
  • a geometric object 53 is arranged on the bottom surface. In this way, a three-dimensional configuration can be achieved.
  • the geometric object is a cone.
  • the geometric object is a cuboid. Other training is possible.
  • Fig. 11 shows a locking device 60.
  • the locking device has a key 58, as he, for example, in the Fig. 5 is shown.
  • a lock cylinder 62 is provided.
  • the lock cylinder 62 has a housing 64 and a cylinder core 70.
  • a closing element with which a lock, for example, a door can be actuated and which is designated 66.
  • a snap ring 68 serves to fix the cylinder core 70 in the housing.
  • the housing 64 is shown for a double cylinder. In principle, however, a cylinder can be designed as one-sided.
  • a locking device in the illustrated embodiment, a pin tumbler for querying the recess 28 of the key 58.
  • the pin tumbler 71 has a core pin 72 and a housing pin 74.
  • the pin tumbler 71 may be formed as an active spring-loaded pin tumbler. Accordingly, the core pin 72 and the housing pin 74 are biased by a spring 76 on the closure member 78.
  • the core pin 72 and the housing pin 74 are pressed radially inward and the core pin 72 slides along the key 58.
  • the core pin 72 comes in an abutment position that is interrogated. Only in the correct position is there a separation plane between the core pin 72 and the housing pin 74 on the cutting plane between the cylinder core 70 and the housing 64, which can be rotated out of the cylinder. This position is for example in the sectional view of Fig. 15 shown.
  • the core pin 72 as described below, can enter into the recess 28.
  • the Fig. 12 shows the other locking fuses that may be provided on the cylinder core 70. There may additionally be provided six pin tumblers 80 and further six vertically arranged profile pins 82 and six horizontally arranged profile pins 84, of which in FIG Fig. 12 for reasons of clarity, only three are shown.
  • Fig. 13 shows an assembled state, with the key 58 is fully inserted into the cylinder core.
  • the Fig. 14 shows the side view of the locking device with the fully inserted key 58.
  • the sectional view XV-XV is shown, which is created by the seventh pin tumbler and in the Fig. 15 is shown.
  • key 58 shows the locking device in an unlocked state.
  • the key is fully inserted.
  • the core pin is shaped such that it completely enters the recess 28 with the bottom surface 32.
  • the core pin 72 and the housing pin 74 are then with their contact surfaces directly on the parting plane 88 between the cylinder core and housing. Turning the key and the cylinder core is thus possible. It can also be seen that, if the position is not correct, the core pin 72 would still protrude into the housing 64. Turning would then be prevented.
  • the core pin 72 is, as in the Figs. 16, 17 shown complementary to the corresponding profiles and contours of the recess or the bottom surface 32 of the recess 28 of the key 58 is formed.
  • a support surface 90 has correspondingly the same profile as the bottom surface 32.
  • the core pin 72 has a lateral recess 92 that is complementary to the side surface 37 'and has a radius thereon for transitioning to the broadside surface. Then, the core pin 72 can enter the recess 28 into the release position.
  • a designated by the reference numeral 73 collar surface serve, which is formed in the illustrated embodiment as a circumferential radius extension.
  • the core pin already further comprises an anti-rotation device 96 to ensure a correct position of the core pin. Furthermore, the core pin has two bevels 94 in order to be able to easily slide along corresponding recesses of the recess 28 into and out of the recess 28.
  • Figs. 18a to 18d show this process. If the key is inserted, the core pin 72 slides with its ramp at the radius 30 of the surfaces 37 down into the recess. Even when retracting the key so the core pin 72 can be easily led out of the recess again, without a resistance to a user is felt.
  • the Fig. 19 1 schematically illustrates a method 100.
  • a key blank according to an embodiment of the present invention is provided in step 102.
  • a key can then be completed therefrom in step 104, in particular in the machining operation, in particular wherein the finishing has the introduction of depressions by means of drilling, such as, for example, the recesses 56 in the Fig. 5 ,
  • step 108 an editing of the recesses takes place, so that the shaft has a recess through the broad side surfaces.
  • two rings are then inserted into the recesses.
  • a shaft is rotatably mounted in a shaft, which extends through the recess in the rings, wherein the two rings are arranged side by side in the shaft, and wherein an inner diameter of each ring is greater than an outer diameter of the shaft. It then results in the arrangement of Fig. 21 that provided a key of the second type.
  • step 106 a step of forming a desired key profile, which takes place by means of machining the shaft in the longitudinal direction.
  • step 106 can also be carried out after step 112 and before step 104,
  • the Fig. 20 shows a further embodiment of a method according to the invention.
  • a step 102 a key blank according to the present invention is provided.
  • a step 103 it is then selected whether a key of the first type or of the second type is to be formed. If a key of the first type is to be formed, step 106 is then carried out, if necessary, as described above, and then the step of completing the key 104. The key is then completed. If a key of the second type is to be provided, steps 108 to 112 are carried out. Step 106 may take place as in FIG Fig. 20 shown performed by step 108, he but can also be performed after step 112 and before step 104.
  • a key of the second type is generated by then completing the key in step 104.
  • the blank 102 according to the invention it is possible to produce keys of two types from the same blank, which considerably simplifies the production and makes it less expensive.
  • the key blank at a first spatial location or a first manufacturing site 200 is produced.
  • At least the completion step 104 may be at a second manufacturing site 202 that is physically separate from the first manufacturing site 200.
  • the key blank is generated at the first production site 200.
  • This may be a blank, which already has a trained profile 38 by means of the step 106 or not.
  • the step 106 can also be done later. As a rule, however, it can be provided that step 106 already takes place at the first production site 200.
  • the key blank with a trained profile is then transported to the second production site 202.
  • the key is then completed in step 104.
  • steps 108-110 and 112 may be performed at a first manufacturing site 200 to provide a key preform having a formed profile and the movable members.
  • steps 108-110 and 112 may be performed at a second manufacturing site 202 to provide a key preform having a formed profile and the movable members.
  • a second manufacturing site 202 only completion of the key by drilling is the key for the final one Finalize query.

Landscapes

  • Lock And Its Accessories (AREA)
  • Connection Of Plates (AREA)
EP18164763.7A 2018-03-28 2018-03-28 Ébauche de clé pour fabrication d'un clé pour une serrure cylindrique, clé, dispositif de fermeture et procédure Active EP3339538B1 (fr)

Priority Applications (7)

Application Number Priority Date Filing Date Title
SI201830255T SI3339538T1 (sl) 2018-03-28 2018-03-28 Ključ surovec za izdelavo ključa za cilinder, ključ, zaporna naprava in postopek
DK18164763.7T DK3339538T3 (da) 2018-03-28 2018-03-28 Blank nøgle til fremstilling af en nøgle til en cylinderlås, nøgle, låseanordning
PL18164763T PL3339538T3 (pl) 2018-03-28 2018-03-28 Półfabrykat klucza do wytwarzania klucza do wkładki zamkowej
HUE18164763A HUE053602T2 (hu) 2018-03-28 2018-03-28 Nyerskulcs hengerzárhoz való kulcs készítéséhez, kulcs, zárszerkezet és eljárás
ES18164763T ES2860805T3 (es) 2018-03-28 2018-03-28 Pieza en bruto de llave para producir una llave para un cierre de cilindro, llave, dispositivo de cierre y método
EP18164763.7A EP3339538B1 (fr) 2018-03-28 2018-03-28 Ébauche de clé pour fabrication d'un clé pour une serrure cylindrique, clé, dispositif de fermeture et procédure
HRP20210307TT HRP20210307T1 (hr) 2018-03-28 2021-02-23 Prazan ključ za proizvodnju ključa za cilindar bravu, ključ, uređaj za zaključavanje i postupak

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP18164763.7A EP3339538B1 (fr) 2018-03-28 2018-03-28 Ébauche de clé pour fabrication d'un clé pour une serrure cylindrique, clé, dispositif de fermeture et procédure

Publications (2)

Publication Number Publication Date
EP3339538A1 true EP3339538A1 (fr) 2018-06-27
EP3339538B1 EP3339538B1 (fr) 2021-01-06

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Application Number Title Priority Date Filing Date
EP18164763.7A Active EP3339538B1 (fr) 2018-03-28 2018-03-28 Ébauche de clé pour fabrication d'un clé pour une serrure cylindrique, clé, dispositif de fermeture et procédure

Country Status (7)

Country Link
EP (1) EP3339538B1 (fr)
DK (1) DK3339538T3 (fr)
ES (1) ES2860805T3 (fr)
HR (1) HRP20210307T1 (fr)
HU (1) HUE053602T2 (fr)
PL (1) PL3339538T3 (fr)
SI (1) SI3339538T1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT523792A1 (de) * 2020-04-20 2021-11-15 Evva Sicherheitstechnologie Flachschlüssel für ein Zylinderschloss

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2004048724A1 (fr) * 2002-11-24 2004-06-10 Mul-T-Lock Technologies Ltd. Systeme de serrure retrocompatible, cles brutes et cles concues pour ledit systeme
WO2008015672A2 (fr) * 2006-07-31 2008-02-07 Hamafteach Hamistovev Ltd. Appareil de verrouillage perfectionné
WO2008139475A2 (fr) * 2007-05-14 2008-11-20 Hamafteach Hamistovev Ltd. Clé brute améliorée avec éléments mobiles et serrure améliorée
WO2009147660A2 (fr) * 2008-06-01 2009-12-10 Asher Haviv Clé, serrure et mécanisme de verrouillage
WO2014032191A1 (fr) 2012-08-29 2014-03-06 Kaba Ag Ébauche, clé de sécurité, système de verrouillage et procédé de fabrication
DE102015111914A1 (de) 2015-07-22 2016-07-28 Dom-Sicherheitstechnik Gmbh & Co. Kg Schlüssel für einen Schließzylinder und Schließvorrichtung

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE29818143U1 (de) * 1998-10-10 2000-02-17 Bks Gmbh Sicherheitsschlüssel

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2004048724A1 (fr) * 2002-11-24 2004-06-10 Mul-T-Lock Technologies Ltd. Systeme de serrure retrocompatible, cles brutes et cles concues pour ledit systeme
WO2008015672A2 (fr) * 2006-07-31 2008-02-07 Hamafteach Hamistovev Ltd. Appareil de verrouillage perfectionné
WO2008139475A2 (fr) * 2007-05-14 2008-11-20 Hamafteach Hamistovev Ltd. Clé brute améliorée avec éléments mobiles et serrure améliorée
WO2009147660A2 (fr) * 2008-06-01 2009-12-10 Asher Haviv Clé, serrure et mécanisme de verrouillage
WO2014032191A1 (fr) 2012-08-29 2014-03-06 Kaba Ag Ébauche, clé de sécurité, système de verrouillage et procédé de fabrication
DE102015111914A1 (de) 2015-07-22 2016-07-28 Dom-Sicherheitstechnik Gmbh & Co. Kg Schlüssel für einen Schließzylinder und Schließvorrichtung

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT523792A1 (de) * 2020-04-20 2021-11-15 Evva Sicherheitstechnologie Flachschlüssel für ein Zylinderschloss

Also Published As

Publication number Publication date
ES2860805T3 (es) 2021-10-05
EP3339538B1 (fr) 2021-01-06
HUE053602T2 (hu) 2021-07-28
HRP20210307T1 (hr) 2021-04-02
DK3339538T3 (da) 2021-03-01
SI3339538T1 (sl) 2021-05-31
PL3339538T3 (pl) 2021-06-14

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