EP3604718B1 - Clé d'actionnement d'un cylindre de serrure - Google Patents

Clé d'actionnement d'un cylindre de serrure Download PDF

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Publication number
EP3604718B1
EP3604718B1 EP18186452.1A EP18186452A EP3604718B1 EP 3604718 B1 EP3604718 B1 EP 3604718B1 EP 18186452 A EP18186452 A EP 18186452A EP 3604718 B1 EP3604718 B1 EP 3604718B1
Authority
EP
European Patent Office
Prior art keywords
key
channel
shaft
key shaft
cylinder
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.)
Active
Application number
EP18186452.1A
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German (de)
English (en)
Other versions
EP3604718A1 (fr
Inventor
Gerhard Hennecke
Klaus Ziaja
Wolfgang HÖLLER
Toan Nguyen
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.)
BKS GmbH
Original Assignee
BKS GmbH
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Filing date
Publication date
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Priority to EP18186452.1A priority Critical patent/EP3604718B1/fr
Publication of EP3604718A1 publication Critical patent/EP3604718A1/fr
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Publication of EP3604718B1 publication Critical patent/EP3604718B1/fr
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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
    • E05B15/00—Other details of locks; Parts for engagement by bolts of fastening devices
    • E05B15/16—Use of special materials for parts of locks
    • E05B15/1614—Use of special materials for parts of locks of hard materials, to prevent drilling

Definitions

  • the invention relates to a key for actuating a locking cylinder with the features of the preamble of claim 1.
  • the invention further relates to a locking system with a key and an associated locking cylinder with the features of the preamble of the independent claim.
  • the invention relates to a method for producing a key with the features of the preamble of the further independent claim.
  • Keys and locking systems of the type mentioned are known from the prior art, for example from EP 2 388 415 A2 .
  • Such keys have a key chalk and a key shaft, which extends away from the key chalk, on which recesses for aligning tumblers are formed, which are provided on an associated locking cylinder.
  • Keys of this type have proven themselves, since they offer a high level of security for consumers, inter alia, because of the large number of individual locking combinations.
  • the invention is based, to enable safe and reliable operation with a key or a locking system with simple design means the task. A reduction in the use of materials is desirable.
  • the key is characterized in that the key shaft has a stabilizing insert that has a higher strength than the material of the key shaft, and that a channel is formed in the stabilizing insert is in which a rolling element displaceable along the channel is arranged to actuate a side tumbler of a locking cylinder.
  • Such an embodiment has the advantage that the copy security of such a key (cylinder lock key) is increased. This results from the fact that with modern copying methods a key contour can be simulated relatively precisely, but not the kinematics of moving elements of the key contour. Their function in relation to the associated locking cylinder cannot be recognized from the key either.
  • the rolling elements arranged in a channel in the stabilization insert also make mechanical scanning difficult, especially since the rolling elements can be moved freely in the channel.
  • the stabilization insert surrounding the canal gives the key shaft greater strength. This strengthens and stabilizes the key shaft. This provides improved copy protection without weakening the stability of the key shaft. The risk of damage to the key shaft, in particular due to bending or breaking off, is considerably reduced (breakage protection or bending protection).
  • the stabilization insert also enables a lower material thickness of the key, in particular the key shank and the key chalk, so that material savings are possible.
  • This also allows the Key channel of an associated locking cylinder with a smaller cross section can be formed, in particular with a comparatively narrow locking channel, so that manipulations or attacks with tools are made more difficult and the risk of foreign bodies penetrating is reduced.
  • the key can be designed as a profile cylinder key.
  • the associated locking cylinder can in particular be designed as a profile cylinder.
  • the channel (rolling element channel) in the stabilization insert extends in particular through the key shaft. A force can thus be passed through the key shaft by means of the rolling element. Further new tumblers can thus be provided.
  • the rolling element can be designed as a ball, roller or needle.
  • the cross section of the channel is adapted in particular to the cross section of the rolling element, so it can have a round or elliptical (rolling element in the form of a ball) or a trapezoidal, rectangular or square cross section (rolling element in the form of a roller or a needle).
  • the stabilization insert can have an essentially sleeve-shaped section, in which the channel (rolling element channel) is formed, and a section (in the key shaft) that extends away from the sleeve-shaped section arranged) stiffening section. While the sleeve-shaped section surrounds the channel for the rolling element, the stiffening section serves to reinforce and stabilize the key shaft with respect to forces applied transversely to the longitudinal direction.
  • the sleeve-shaped section and / or the stiffening section are, preferably completely, arranged in the key shaft.
  • the central longitudinal axis of the stiffening section can lie in the central longitudinal plane of the key shaft.
  • the stiffening section extends in the key shaft from the sleeve-shaped section, in particular in the direction of the key bow.
  • the stiffening section can extend in a straight line or with a curvature, possibly with a subsequent straight-line extending section, away from the sleeve-shaped section.
  • the stiffening section can, at least in the rectilinear section, be arranged parallel or concentrically to the central longitudinal axis of the key shaft.
  • the channel can advantageously be open at the end and reduced in cross-section. In this way, the roller body can protrude in sections from the channel, but falling out of the roller body from the channel is avoided. This ensures that the rolling element is reliably assigned to the key shank guaranteed.
  • the end of the channel can be reduced in cross-section by reshaping. E.g. the rolling element can be caulked in the stabilization insert.
  • the channel can expediently extend transversely or obliquely through the key shaft, in particular be arranged transversely or obliquely to the longitudinal center plane of the key shaft.
  • the end channel openings can be oriented towards the side faces (broad sides) of the key shaft.
  • the channel can cut the key shaft in particular at a right angle (right angle between the central longitudinal axis of the channel and the central longitudinal plane of the key shaft).
  • a longitudinal groove can be formed on at least one side of the key shaft, which extends from the free end of the key shaft (key shaft tip) to the channel. This enables the key to be inserted easily into a key channel, in particular when the cylinder-side stop element is designed to be stationary with respect to the key channel or the cylinder core of the locking cylinder and / or protrudes into the key channel.
  • the longitudinal groove can then serve as an access for the above cylinder-side stop element.
  • a can also be attached to the stabilization insert, in particular to its sleeve-shaped section Recess be formed, which is aligned with the longitudinal groove and facilitates insertion of the key.
  • the side surfaces of the key shaft can be designed parallel to one another and free of profiles (side surfaces free of axial depressions and / or elevations forming a key shaft profile).
  • the longitudinal groove described above does not represent a profile of the key shaft, since this only facilitates the insertion of a stop element into the channel.
  • the cross section of the key shank itself therefore does not contribute to the locking coding, but only the features incorporated into the key shank, for example by protrusions formed on inserts inserted in the key shank and / or by recesses formed in the key shank for actuating cylinder-side tumblers.
  • the basic material for key production can thus be unprofiled plates, for example metal or sheet metal plates.
  • the stabilizing insert can expediently be arranged in the half (front half) of the key shaft that faces axially away from the key chalk.
  • the risk of damage to the key shaft is thus reduced. It has been recognized that there is a risk of such damage is greatest when the key is partially pulled out of the locking channel of a locking cylinder and is acted upon by a moment transverse to the axial direction of the key shaft due to a movement of the key operator relative to a door leaf accommodating the locking cylinder.
  • the use of stabilization in the key shaft counteracts these influences, also through its positioning.
  • the stabilization insert can be pressed into a passage formed in the key shaft, in particular punched. This ensures a secure assignment of the stabilizer insert in the key shaft.
  • a reduction in cross-section can be provided within the passage, for example in the form of a shoulder. The stabilization insert can come into contact with this reduction in cross-section.
  • the key shaft can have at least one further insert which is arranged axially between the key bow and the stabilizing insert.
  • the insert can take on further functions as a functional insert.
  • the key shaft can be equipped with a total of two or three inserts.
  • the inserts can be glued in or pressed in.
  • the further use can be one-sided or two-sided protruding from the key shaft and for Have locking coding protrusion, a color coding, a pictogram and / or an RFID transponder.
  • a (further) locking feature that contributes to the locking coding can be realized by a protrusion protruding from the key shaft on one or both sides.
  • the color coding enables the locking cylinder key to be visually assigned to a locking hierarchy or a product range.
  • the pictogram can be used to indicate a usage note or a company logo of a manufacturer or a customer.
  • An RFID transponder can also be used as an alternative or in addition to a mechanical locking code to implement an electronic locking code.
  • the key shaft can advantageously have recesses serving for locking coding, and a continuous outer edge can be formed in the region of the recesses (recesses oriented towards a narrow side of the key shaft).
  • the recesses and the elevations located between them do not form a sharp-edged profile. The risk of injury to key users and damage to their clothing is thus reduced.
  • the recesses can also be referred to as incisions.
  • the continuous outer edge can expediently be formed by a web extending in the axial direction, to which the recesses for locking coding are arranged on both sides.
  • the bridge forms the blunt outer edge and stabilizes the key shaft.
  • the recesses for locking coding can be arranged on both sides of the web.
  • the web can be arranged in the middle, in particular in relation to the strength of the key shaft, the web being located between the two rows of recesses and stabilizing the key shaft. In other words, a two-row design of the recesses with a web as an intermediate element is created.
  • the key can advantageously be designed as a profile cylinder key in the form of a beard key (“conventional profile cylinder key”).
  • a beard key can only be inserted into an associated locking cylinder in one orientation.
  • the key can be designed as a profile cylinder key in the form of a reversible key.
  • a reversible key can be inserted into an associated locking cylinder in several, in particular two, orientations.
  • a stabilized key version can thus be provided regardless of the type.
  • the key in particular the key cord and the key shaft, can have a material thickness of 1.5 mm to 2.5 mm, preferably 1.7 mm to 2.3 mm, more preferably 1.8 mm to 2.2 mm, even more preferably 2.0 mm, exhibit. Due to the use of stabilization, reliable operation of a corresponding key is made possible even with a comparatively low material thickness of the key shaft and / or key cord.
  • the key can be made from a low-nickel metal or a low-nickel metal alloy, in particular from a stainless chromium steel. Allergies that can arise on the part of the key user through contact with such a lock cylinder key can thus be avoided.
  • the term “low in nickel” is understood to mean that the release of nickel is below a release rate that is relevant or noticeable for allergy sufferers, in particular below 0.5 ⁇ g nickel per cm 2 per week.
  • the above-mentioned object is also achieved by a locking system with the features of the independent claim.
  • the locking system is characterized in that the locking cylinder has a side tumbler for actuation by the displaceable rolling element of the key and a stop element on or in its key channel, the rolling element coming into contact with the stop element when the key is inserted into the key channel, and thereby is shifted in the channel of the key shaft, whereby the side tumbler is brought into its release position.
  • the stop element can be designed as a pin arranged orthogonally to the key channel in the cylinder core.
  • the pin can have a stepped design.
  • the pin can have a front section facing the key channel with a first diameter and a second diameter facing away from the key channel, in particular wherein the second diameter is larger than the first diameter.
  • the stop element or the pin can have a conical free end (conical tip or conical section) facing the locking channel.
  • the pin can be arranged stationary with respect to the key channel and / or the cylinder core.
  • the stylus can also be referred to as an activation or stylus stylus.
  • the side tumbler can advantageously be arranged in the diameter range of the cylinder housing (the section of the cylinder housing of the locking cylinder that receives a locking core).
  • a lateral guard locking is hereby created with simple constructive means.
  • the side tumbler can have a press-in plug, a locking pin and a compression spring which is arranged between the press-in plug and the locking pin.
  • an actuating element in particular an actuating pin, can be arranged in the cylinder core of the locking cylinder, via which the roller body acts on the tumbler.
  • the actuating element can lie opposite the stop element in relation to the key channel.
  • the longitudinal axes of the actuating element and the stop element can be arranged parallel or congruently.
  • the object mentioned at the outset is also achieved by a method having the features of the further subordinate claim.
  • the method is characterized in that a stabilizing insert with a higher strength than the material of the key shaft is formed by a metal injection molding method, in particular by a metal powder injection molding, and that the stabilizing insert is introduced into a, preferably punched, passage in the key shaft.
  • the stabilization insert By designing the stabilization insert by means of a metal injection molding process, it can be produced in one piece with the desired, possibly complex, geometry. Particularly when metal powder injection molding is used, this enables a comparatively robust stabilization insert to be produced close to the final contour or true to the final contour.
  • the stabilization insert (directly) when punching the key inserted, in particular pressed, into the key shaft. This enables the key to be produced in a comparatively few steps, since the stabilizing insert is introduced directly when the passage is punched for the stabilizing insert.
  • the Figures 1 to 3 show a key for actuating a locking cylinder 102, the key being identified as a whole by reference number 10.
  • the key 10 is designed as a “reversible key”.
  • the key 10 has a key chalk 12 and a key shaft 16 which extends away from the key chalk 12 along an axial direction 14.
  • the key shaft 16 has a half 18 (front half 18) facing away from the key spike 12 and a half 20 (rear half 20) facing the key spike 12.
  • the key shaft 16 has a stabilizing insert 22 which has a higher strength than the material of the key shaft 16.
  • a channel 24 (rolling element channel 24) is formed in the stabilization insert 22, in which a rolling element 26, which can be displaced along the channel 24, is arranged for actuating a lateral tumbler 134 of a locking cylinder 102.
  • the rolling element 26 is designed as a ball.
  • the channel 24 in the stabilization insert 22 extends through the key shaft 16.
  • the stabilization insert 22 has a substantially sleeve-shaped section 28 and a stiffening section 30 which extends away from the sleeve-shaped section 28 (see Figure 2 and 3rd ).
  • the stiffening section 30 extends in a straight line from the sleeve-shaped section 28 in the direction of the key chalk 12.
  • the sleeve-shaped section 28 and the stiffening section 30 are arranged in the key shaft 16.
  • a recess 29 is formed in the sleeve-shaped section 28, the function of which will be described further below.
  • the channel 24 is open at the end and reduced in cross section, for example by caulking (see Figure 3b ).
  • the channel 24 extends across the key shaft 16, which is arranged transversely to the longitudinal center plane of the key shaft 16.
  • a longitudinal groove 32 is formed on both sides of the key shaft 16 and extends from the free end of the key shaft 16 (key shaft tip) to the channel 24.
  • the longitudinal groove 32 is aligned with the recess 29 in the sleeve-shaped section 28.
  • the longitudinal groove 32 together with the recess 29 serves as an insertion aid for a stop element arranged in the locking cylinder and displacing the rolling element 24.
  • the side surface 34 (in the Figures 1 to 3 facing the viewer) and the side surface 36 (in the Figures 1 to 3 facing away from the viewer) of the key shaft 16 are parallel to each other and profile-free, as described above.
  • the stabilizing insert 22 is arranged in the half 18 (front half 18) of the key shaft 16 which faces axially away from the key chalk 12.
  • the stabilization insert 22 is pressed into a passage 37 formed, for example punched, in the key shaft 16.
  • the key shaft 16 can have at least one further insert which is arranged axially between the key chord 12 and the stabilizing insert 22 (not shown).
  • the further use can take on further functions as a functional use, as described above.
  • the key shaft 16 has recesses 38, 40 which serve for locking coding. Since the key 10 is designed as a reversible key, both sides of the key shaft 16 have the recesses 38, 40. In the region of the recesses 38, 40 there is a continuous one Outer edge 42 arranged. The continuous outer edge 42 is formed by a web 44 extending in the axial direction 14, to which the recesses 38, 40 are arranged on both sides for locking coding.
  • the key 10, in particular the key chalk 12 and the key shaft 14, can have a material thickness in one of the dimensions described above.
  • the key 10 is made from a low-nickel metal or a low-nickel metal alloy, in particular from a stainless chromium steel, as stated above.
  • FIG 4 shows a locking system, which is designated overall by reference numeral 100.
  • the locking system 100 has a key 10 as described above and an associated locking cylinder 102 (shown here only as an example as a double profile cylinder 102).
  • the locking cylinder 102 is designed as a "reversible cylinder" for receiving the key 10, which is implemented as a reversible key and can be inserted into the locking cylinder 102 in several, in this case in two, orientations.
  • the locking cylinder 102 has a cylinder housing 104 which has a diameter region 106 and a waisted region 108.
  • the cylinder housing 104 can be formed in one piece or in a modular manner (different lengths by a cylinder housing 104 formed from several elements of different lengths).
  • in the Cylinder housing 104 has a core passage 110 for receiving a rotatable cylinder core 112.
  • the locking cylinder 102 has tumblers 114 which are inserted into tumbler bores 116 in the cylinder housing 104 or the cylinder core 112.
  • the tumblers 114 have housing pins 118, core pins 120 and springs 122.
  • Balls or steel balls 124 close the tumbler holes 116 in Figure 4 lower end of the cylinder housing 104 (waisted area 108).
  • the cylinder core 112 has a key channel 126, into which the key 10 can be inserted from an introducer 128.
  • a drill protection 130 in the form of a hard metal pin is introduced on each side of the key channel 126 at the introducer 128.
  • the hard metal pins 130 are introduced into drilling protection openings 132 in the cylinder core 112.
  • the locking cylinder 102 has a side tumbler 134 for actuation by the displaceable rolling element 26 of the key 10.
  • the cylinder core 112 has a stop element 136 on or in its key channel 126.
  • the lateral tumbler 134 and the stop element 136 are arranged axially at the same height in relation to the longitudinal direction of the key channel 126. The lateral tumbler 134 and the stop element 136 are thus opposite one another in the assembled state.
  • the stop element 136 is considered to be orthogonal to the Key channel 126 formed in the cylinder core 112 arranged pin (stylus).
  • the stop element 136 is arranged in a stationary manner in the cylinder core 112 in a stop element receiving opening 138.
  • the stop element 136 has a front section 140 with a first diameter and a rear section 142 with a second diameter, which is larger than the first diameter.
  • the stop element 136 has a conical front end 144 which projects into the key channel 126.
  • the side tumbler 134 is arranged in the diameter region 106 of the cylinder housing 104, specifically in a recess 151 of the cylinder housing 104.
  • the side tumbler 134 has a press-in plug 146, which is cup-shaped and is open to one side (inwards).
  • a compression spring 148 and a locking pin 150 are arranged in this opening of the press-in plug 146 (see Figure 4 ).
  • An actuating element 152 is arranged in a recess 161 in the cylinder core 112 of the locking cylinder 102, via which the rolling element 26 (ball) acts on the side tumbler 134.
  • the actuating element 152 can also be referred to as an actuating pin. In the locked state, the actuating element 152 is particularly flush with the key channel 126.
  • the actuating element 152 is essentially cylindrical.
  • the locking system 100 works as follows: If the key 10 is not inserted into the key channel 126, the actuating element 152 is in the unactuated state. This means that the spring 148, which bears against the press-in plug 146 at the rear and at the other end against the locking pin 150, presses the locking pin 150 in the direction of the key channel 126, so that the locking pin 150 moves from the recess 151 of the cylinder housing 104 into the recess 161 in the cylinder core 112 protrudes. The lateral tumbler 134 is thus in the non-release position, in which the cylinder core 112 cannot be rotated relative to the housing 104, especially since the tumblers 114 are also in their non-release position due to the lack of a key 10 inserted.
  • the tumblers 114 are brought into their release position when the fully inserted position of the key 10 is reached, i.e. the separation planes between the core pins 120 and the housing pins 118 are located on the Shell surface of the rotatable cylinder core 112, so that the tumblers 114 no longer block the cylinder core 112.
  • stop element 136 When the key 10 is inserted into the key channel 126, the stop element 136 is also guided through the groove 32 and the cutouts 29 until it is aligned with the channel 24 of the key shaft 16 of the key 10. The front one End 144 of stop element 136 thus comes into contact with rolling element 26 and displaces it in channel 24 in the direction of lateral tumbler 134. In this way, actuating element 152 is displaced by rolling element 26, so that it moves locking pin 150 away from key channel 126 Moved towards the recess 151 of the cylinder housing 104. This continues until the parting line between the actuating element 152 and the locking pin 150 is located on the lateral surface of the rotatable cylinder core 112.
  • the cylinder core 112 can be rotated by actuating the key 10 since the tumblers 114 and also the lateral tumbler 134 are in their release positions. After the key 10 has been removed, the tumblers 114 and the side tumbler 134 shift into their non-release position due to the force of the springs 122 and the spring 148, respectively.
  • FIGS 5-7 show a further embodiment of a key 10 for actuating a locking cylinder 102.
  • the present key 10 largely corresponds to that in connection with FIG Figure 1-3 described embodiment. To avoid repetition, reference is therefore made to the above statements.
  • the key 10 is designed as a “conventional profile cylinder key” (beard key). As a beard key, the key 10 can only be inserted into an associated locking cylinder 100 in one orientation.
  • the stabilization insert 22 has a substantially sleeve-shaped section 28 and a from the stiffening section 30 extending away from the sleeve-shaped section 28 (see Figure 2 and 3rd ).
  • the stiffening section 30 initially extends away from the sleeve-shaped section 28 by means of a curvature 31 (curved section 31) and then merges into a rectilinear section 33 which extends in the direction of the key chord 12.
  • the sleeve-shaped section 28 and the stiffening section 30 are arranged in the key shaft 16.
  • the key 10 has cutouts 38 on one side of the key shaft 16 (in FIGS Figures 5-7 facing the viewer) and on the other side of the key shaft 16 cutouts 40 (in the Figures 5-7 turned away from the viewer).
  • the longitudinal groove 32 and the recess 29 are formed (see Figure 7b ).
  • FIG. 8 shows a further embodiment of a locking system, which is designated overall by the reference numeral 100.
  • the present locking system 100 largely corresponds to that in connection with FIG Figure 4 described embodiment. To avoid repetition, reference is therefore made to the explanations given there.
  • the key 10 is designed as a “conventional profile cylinder key” (beard key), as in connection with FIGS Figures 5-7 described.
  • the method for producing a key 10 with a key chord 12 and a key shaft 16 extending axially away from the key chord 12 can proceed as follows:
  • the key 10 is formed by a punching process, that is to say it obtains its shape through a punching process, which comprises the key chord 12 and the key shaft 16 (punched key blank).
  • a stabilizing insert 22 is formed which has a higher strength than the material of the key shaft 16.
  • the stabilization insert 22 is introduced into a, in particular punched, passage 38 in the key shaft 16.
  • the stabilizing insert 22 is inserted, in particular pressed in, directly into the key shank when the key 10 is punched.
  • the stabilizing insert 22 can be inserted into the half 18 of the key shaft 16 facing away from the key chalk 12. An insertion in the front third of the key shaft 16 is also conceivable.
  • a further insert can also be introduced into the key shaft 16 during or after the shaping punching process, in particular are pressed in (not shown).
  • the further use can take on further functions, as described above.

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  • Lock And Its Accessories (AREA)

Claims (15)

  1. Clé (10) pour l'actionnement d'un barillet (102), avec une tête de clé (12) et une tige de clé (16) s'étendant à distance de la tête de clé (12), caractérisée en ce que la tige de clé (16) présente un insert de stabilisation (22), qui dispose d'une résistance plus élevée que le matériau de la tige de clé (16), et qu'un canal (24), dans lequel est disposé un corps roulant (26) déplaçable le long du canal (24), destiné à actionner une gâchette latérale (134) d'un barillet (102), est réalisé dans l'insert de stabilisation (22).
  2. Clé (10) selon la revendication 1, caractérisée en ce que l'insert de stabilisation (22) présente une partie en forme de manchon (28), dans laquelle le canal (24) est réalisé, et une partie de renforcement (30) s'étendant à distance de la partie en forme de manchon (28).
  3. Clé (10) selon la revendication 1 ou 2, caractérisée en ce que le canal (24) est ouvert respectivement côté extrémité et réduit en section transversale et/ou que le canal (24) s'étend transversalement ou de manière inclinée à travers la tige de clé (16), en particulier est disposé transversalement ou de manière inclinée par rapport au plan médian longitudinal de la tige de clé (16).
  4. Clé (10) selon l'une quelconque des revendications précédentes, caractérisée en ce qu'une rainure longitudinale (32), qui s'étend de l'extrémité libre de la tige de clé (16) au canal (24), est réalisée au moins sur une face de la tige de clé (16) et/ou que les surfaces latérales (34, 36) de la tige de clé (16) sont réalisées parallèlement l'une à l'autre et sans profilé.
  5. Clé (10) selon l'une quelconque des revendications précédentes, caractérisée en ce que l'insert de stabilisation (22) est disposé dans la moitié (18) de la tige de clé (16) opposée axialement à la tête de clé (12) et/ou que l'insert de stabilisation (22) est enfoncé dans un passage (37) réalisé, en particulier estampé, dans la tige de clé (16).
  6. Clé (10) selon l'une quelconque des revendications précédentes, caractérisée en ce que la tige de clé (16) présente au moins un autre insert, qui est disposé axialement entre la tête de clé (12) et l'insert de stabilisation (22) et/ou que la tige de clé (16) présente des évidements (38, 40) servant au codage de fermeture et un bord extérieur continu (42) est réalisé dans la zone des évidements (38, 40).
  7. Clé (10) selon la revendication 6, caractérisée en ce que le bord extérieur continu (42) est formé par une entretoise (44), s'étendant dans la direction axiale (14), des deux côtés de laquelle les évidements (38, 40) destinés au codage de fermeture sont disposés.
  8. Clé (10) selon l'une quelconque des revendications précédentes, caractérisée en ce que la clé (10) est réalisée sous la forme d'une clé à panneton ou sous la forme d'une clé réversible.
  9. Clé (10) selon l'une quelconque des revendications précédentes, caractérisée en ce que la clé (10), en particulier la tête de clé (12) et la tige de clé (16), présente une épaisseur de matériau de 1,5 mm à 2,5 mm, de préférence de 1,7 mm à 2,3 mm, mieux encore de 1,8 mm à 2,2 mm, plus préférablement encore de 2,0 mm, et/ou que la clé (10) est réalisée à partir de métal pauvre en nickel ou d'un alliage de métal pauvre en nickel, en particulier à partir d'un acier inoxydable au chrome.
  10. Système de fermeture (100) avec une clé (10) selon l'une quelconque des revendications précédentes et un barillet (102) associé, caractérisé en ce que le barillet (102) présente une gâchette latérale (134) destinée à être actionnée par le corps roulant (26) déplaçable de la clé (10) et un élément de butée (136) sur ou dans son canal de clé (126), dans lequel, lorsque la clé (10) est introduite dans le canal de clé (126), le corps roulant (26) parvient en contact avec l'élément de butée (136) et est déplacé de cette manière dans le canal (24) de l'insert de stabilisation (22), ce qui a pour effet que la gâchette latérale (134) est amenée dans la position de libération.
  11. Système de fermeture (100) selon la revendication 10, caractérisé en ce que l'élément de butée (136) est réalisé sous la forme d'une broche disposée dans le noyau de cylindre (112) perpendiculairement au canal de clé (126).
  12. Système de fermeture (100) selon la revendication 10 ou 11, caractérisé en ce que la gâchette latérale (134) est disposée dans la zone de diamètre (106) du boîtier de cylindre (104).
  13. Système de fermeture (100) selon l'une quelconque des revendications 10 à 12, caractérisé en ce qu'un élément d'actionnement (152), par l'intermédiaire duquel le corps roulant (26) agit sur la gâchette latérale (134), est disposé dans le noyau de cylindre (112) du barillet (102).
  14. Procédé de fabrication d'une clé (10) avec une tête de clé (12) et une tige de clé (16) s'étendant à partir de la tête de clé (12), en particulier d'une clé (10) selon l'une quelconque des revendications 1 à 9, dans lequel la clé (10) est réalisée par un processus d'estampage, caractérisé en ce qu'un insert de stabilisation (22) avec une résistance plus élevée que le matériau de la tige de clé (16) est réalisé par un procédé de moulage par injection de métal et que l'insert de stabilisation (22) est introduit dans un passage (37) dans la tige de clé (16).
  15. Procédé selon la revendication 14, caractérisé en ce que l'insert de stabilisation (22) est introduit, en particulier enfoncé, dans la tige de clé (16), lors de l'estampage de la clé (10).
EP18186452.1A 2018-07-31 2018-07-31 Clé d'actionnement d'un cylindre de serrure Active EP3604718B1 (fr)

Priority Applications (1)

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Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10058590C1 (de) * 2000-11-25 2002-07-25 Dom Sicherheitstechnik Schlüssel und zugehöriger Schließzylinder
ITBO20020213A1 (it) * 2002-04-19 2003-10-20 Cisa Spa Serratura a cilindro e relativa chiave
DE102010029167B4 (de) 2010-05-20 2012-03-01 Bks Gmbh Profilzylinderschlüssel
WO2015059723A1 (fr) * 2013-10-25 2015-04-30 Cisa S.P.A. Serrure à cylindre et clé associée
WO2016161530A1 (fr) * 2015-04-10 2016-10-13 Kaba Ag Clé, ébauche de clé et cylindre de fermeture associé comprenant une caractéristique de sécurité supplémentaire

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
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