EP3155191B1 - Serrure à cylindre - Google Patents

Serrure à cylindre Download PDF

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Publication number
EP3155191B1
EP3155191B1 EP15728530.5A EP15728530A EP3155191B1 EP 3155191 B1 EP3155191 B1 EP 3155191B1 EP 15728530 A EP15728530 A EP 15728530A EP 3155191 B1 EP3155191 B1 EP 3155191B1
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EP
European Patent Office
Prior art keywords
latch
recess
tumbler
blocking
cylinder
Prior art date
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EP15728530.5A
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German (de)
English (en)
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EP3155191A1 (fr
Inventor
Ernst PANKRATIUS
Gerhard Meckbach
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ABUS August Bremicker Soehne KG
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ABUS August Bremicker Soehne KG
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Publication of EP3155191A1 publication Critical patent/EP3155191A1/fr
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Classifications

    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B29/00—Cylinder locks and other locks with plate tumblers which are set by pushing the key in
    • E05B29/0066—Side bar locking
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B29/00—Cylinder locks and other locks with plate tumblers which are set by pushing the key in
    • E05B29/0013—Cylinder locks and other locks with plate tumblers which are set by pushing the key in with rotating plate tumblers
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B29/00—Cylinder locks and other locks with plate tumblers which are set by pushing the key in
    • E05B29/0053—Cylinder locks and other locks with plate tumblers which are set by pushing the key in with increased picking resistance
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B27/00—Cylinder locks or other locks with tumbler pins or balls that are set by pushing the key in
    • E05B27/0082—Side bar locking

Definitions

  • the invention relates to a cylinder lock with a cylinder housing and a cylinder housing rotatably mounted in the cylinder housing, wherein the cylinder housing has at least one Zuroissblockierverianaung and a Biegelblockierverianaung.
  • a plurality of die tumblers are provided in the cylinder core, each of the plurality of die tumblers having an engagement portion and movable between a lock position and an unlock position. In the locking position, the engaging portion of the respective plate tumbler engages with the tumbler locking recess of the cylinder housing. In the unlocked position, the engagement portion is disengaged from the tumbler locking recess. At least one of the plurality of platelet tumblers has a latch receiving recess.
  • the cylinder lock further comprises at least one latch member having a latch tip and a blocking portion, the latch member being movable between a blocking position and a release position and biased to the release position.
  • the blocking position the blocking portion of the locking member engages with the locking block recess of the cylinder housing.
  • the release position the latch tip engages the latch receiving recess of the at least one plate tumbler and the blocking section is disengaged from the latch blocking recess of the cylinder housing.
  • the plate tumblers and the locking element serve to lock the cylinder core against rotational movement relative to the cylinder housing in their respective basic position (locking position or blocking position in the locked state of the cylinder lock). Only when an associated (ie correctly coded) key is inserted into the cylinder core through the key insertion openings of the platelet tumblers, the cylinder core can be rotated by means of the key in an opening direction of rotation.
  • a problem with such a cylinder lock is the so-called lock picking.
  • This is an attempt to manipulate a cylinder lock, i. without opening the assigned key non-violently.
  • special opening tools are used, with which the platelet tumblers are displaced from their respective locking position counter to their biasing direction into their respective unlocking position, while at the same time a torque in an opening direction of rotation is exerted on the cylinder core.
  • the platelet tumblers are successively offset, so that ultimately all platelet tumblers stick to the edge of the tumbler locking recess of the cylinder housing and the cylinder core can finally be rotated further in the opening direction of rotation.
  • the respective unlocking position is identified by an altered resistance in displacing the plate tumbler counter to the respective biasing direction, wherein the changed resistance by means of a suitable tool manually palpated and / or can be detected acoustically. Due to the thus determined offset paths covering the platelet tumblers between the respective locking position and unlocking position, a correspondingly coded key can be reworked, which is then able to open the cylinder lock without damage.
  • a cylinder lock with the features of the preamble of claim 1 is known from US 4750342 A known.
  • Other cylinder locks are from the FR 2079573 A5 and US 3,035,433 A known.
  • a rotation of the cylinder core is prevented by two locking mechanisms explained below in the closed state.
  • platelet tumblers engage a respective engagement portion in a tumbler locking recess of the cylinder housing, wherein the platelet tumblers are preferably biased along a respective first biasing direction into the locking position.
  • the cylinder core is freely rotatable in the cylinder housing.
  • the locking element engages in a latch receiving recess of the respective plate tumbler, which is preferably provided on a longitudinal side of the plate tumbler.
  • the respective unlocking position of the plate tumbler is identified by an altered resistance in displacing the plate tumbler.
  • a changed resistance to movement occurs in particular when the respective platelet locking arrives in the unlocking position and the locking element thus engages in the latch receiving recess of the platelet cage due to its bias (completely or only partially, the latter if not all of the locking element associated Platelet tumblers in their Entriegelungspositon are located).
  • This changed resistance in displacing the plate tumbler is referred to hereinafter as the first change in resistance.
  • the respective plate tumbler can be displaced from the locking position in the direction of the unlocking position (even if at the same time a torque is exerted on the cylinder core in the opening direction of rotation).
  • several latching connections between the locking element and the plate locking device and thus several changes of the movement resistance must be overcome along the displacement path of the plate locking device, since the locking tip slides along the respective longitudinal side of the plate locking device and engages in the locking catch recess and in the locking receiving recess.
  • the palpation of the unlocking position of the plate tumbler by means of a lock-picking tool is made more difficult.
  • the latch detent recess is provided adjacent to the latch receiving recess into which the latch tip of the latch member engages when all the latch tumblers associated with the latch member are in their unlocked position and the latch member can thus assume the release position.
  • adjacent in this context is meant an arrangement in which the latch detent recess is (necessarily) separated from the latch receiving recess by an intermediate elevation and thus spaced from the latch receiving recess.
  • the distance between the latch engagement recess and the latch receiving recess is less than the displacement path of the respective plate tumbler (distance between the latching position and the unlocking position) so that upon sensing an altered resistance to movement, there is an illustrated uncertainty as to whether the respective latch tumbler is actually in the unlatched position located.
  • the at least one latch engagement recess may be disposed adjacent to the latch receiving recess of the respective blade tumbler such that the width of an intermediate protrusion provided between the latch engagement recess and the latch receiving recess is less than the clear Width of the bolt receiving recess, and preferably also smaller than the clear width of the latch latch recess.
  • the latching engagement of the latch tip of the latch member with the latch notch of the platelet lock is directly established when the at least one platelet lock is offset relative to the unlock position, with the latch lock recess being less deep than the latch receiving recess (relative to the direction of movement of the biased latch member) at the platelet lock.
  • the length of the locking element is chosen so that, if the at least one platelet locking is at least partially in the locking position, on the one hand, the locking tip of the locking element latching in the locking latch recess of the platelet lock can engage and on the other the blocking portion of the locking element nonetheless in the locking latch recess of Cylinder housing engages.
  • the latch member maintains its blocking function even when the latch tip engages the latch latch recess (and not the latch receiving recess).
  • the inside width of the locking latch recess ie the opening width along the direction of displacement of the plate tumbler
  • the clear width of the latch receiving recess is also smaller than the clear width of the latch receiving recess.
  • a plurality of tumbler blocking recesses and latch blocking recesses may be provided, and correspondingly, multiple latch members are possible.
  • a respective locking element is assigned to a group of some platelet tumblers.
  • the interaction of the locking element in particular the described engagement of the locking tip in the locking receiving recess or the engagement of the locking tip in the locking latch recess, at least with one of the platelet tumblers from the associated group, in particular with that platelet locking, which is brought last in the unlocked position ,
  • the locking tip of the locking element which bears against a plurality of platelet tumblers, only partially engages in the latch engagement recess of a particular platelet locking, namely, when the other platelet tumblers are offset by a certain path length relative to a certain platelet locking.
  • the at least one platelet cage adjacent to the latch receiving recess has a plurality of juxtaposed latch engagement recesses. This ensures that during a manipulative displacement of the platelet tumbler along a wide displacement range a plurality of resistance changes - so not only the explained first and second change of the resistance to movement - caused by the latching engagement of the locking tip of the locking element in the respective latch locking recess. This makes it even harder to feel the unlocking position of the plate tumbler.
  • just as many latch engagement recesses can be provided next to each other adjacent to the latch receiving recess so that the latch tip of the latch member engages in a latch engagement recess of the latch latch for each possible position of the latch holder outside the unlocking position.
  • the plate tumbler on both sides of the latch receiving recess each have at least one latch notch on, ie not only on a single side of the bolt receiving recess.
  • the platelet tumblers are oppositely biased, ie biased in two opposite directions, or if the platelet tumbler is so displaceable that the locking tip of the locking element can be located on both sides of the latch receiving recess of the platelet cage and can act on the platelet tumbler.
  • this results in a further change in the resistance to movement when the respective plate tumbler is moved beyond the unlocking position in the attempt to feel the unlocking position.
  • the plate tumbler on both sides of the latch receiving recess each have a plurality of juxtaposed latch locking recesses.
  • the latch receiving recess is advantageously provided with respect to the direction of movement of the plate tumbler on a side edge of the plate tumbler, which preferably runs parallel to the direction of displacement of the plate tumbler.
  • a low-friction and thus reliable displacement of the plate tumbler is accomplished when the locking tip of the locking element on the side edge.
  • a plurality of platelet tumblers arranged next to one another can rest on the bolt tip in a space-saving manner, whereby a compact size for the cylinder core can be achieved.
  • the latch receiving recess and the latch latch recess are (at least) substantially triangular educated.
  • a substantially triangular depression is in particular still present if the outline of the depression is formed as a blunt tip and / or with curved flanks. Due to the substantially triangular shape of the depressions, on the one hand a stable positive connection between the respective depression and the locking element engaging in the respective depression is achieved, on the other hand the stable positive connection can be achieved simply by displacing the platelet tumblers with a suitable force (for example by means of the associated key). be canceled, whereby the locking element is urged against its bias from the respective recess.
  • an intermediate elevation between the latch receiving recess and the latch locking recess of the plate tumbler is provided an intermediate elevation, wherein the latch tip has an intermediate recess, and wherein the intermediate elevation of the platelet tumbler is adapted to engage the intermediate recess of the latch tip when the platelet tumbler from the unlocked position by one second path length is less than the first path length (which corresponds to engagement of the latch tip with the latch latch recess).
  • the intermediate recess of the locking tip may be formed as a groove, which preferably extends parallel to the axis of rotation of the cylinder core, in particular if the locking element is elongated and associated along the axis of rotation of the cylinder core of a group of some platelet tumblers.
  • a groove may be rectilinear.
  • the groove can not be rectilinear, but for example arcuate.
  • such a groove can also run obliquely to the axis of rotation of the cylinder core.
  • the locking element between the locking tip and the blocking section has a connecting section, which is narrower than the locking section of the locking element, viewed along a tangential direction about the axis of rotation of the cylinder core.
  • the connecting portion is tapered like a neck.
  • the connecting portion of the locking element on one side, which faces in an opening direction of rotation of the cylinder core, with respect to the blocking portion of the locking element is not or less set back than on another (opposite) side, which faces against the opening direction of rotation of the cylinder core.
  • the side of the connecting portion pointing in the opening direction of rotation of the cylinder core can be flat and flush with the blocking portion of the locking element, the other side of the connecting portion formed obliquely and / or set back relative to the blocking portion.
  • a lateral projection can, in a tampering attempt, in which the cylinder core is acted upon in the opening direction by a torque effect that the locking element remains in its blocking position and thus prevents manipulative rotation of the cylinder core, since the lateral projection in this case over the outer circumferential surface of the cylinder core is urged. Since there is no such side projection and accordingly no return on said one side facing the opening direction of rotation of the cylinder core, the manipulative rotational movement in the opening direction causes the desired displacement of the lateral projection over the outer circumferential surface of the cylinder core.
  • a retaining plate is associated with the locking element, which has a bearing opening, which is penetrated by the connecting portion of the locking element when the locking element is in the blocking position. If the at least one platelet tumbler itself is in the locking position and the locking element is in the blocking position, there is, based on a rotational actuation of the cylinder core relative to the cylinder housing, a first torsional backlash between the locking portion of the locking element and the latch locking recess of the cylinder housing. Further, in the above state, there is a second torsional backlash between the connecting portion of the locking member and the bearing hole of the associated retaining plate.
  • a third torsional backlash exists between the engaging portion of the at least one plate tumbler and the tumbler locking recess of the cylinder housing.
  • the first backlash is less than the second backlash, and the second backlash is again lower than the third backlash.
  • the locking element between the latch receiving recess and the holding plate can easily tilt or tilt, when the blocking portion of the locking element engages in the locking latch recess of the cylinder housing and on the cylinder core torque is applied in an opening direction of rotation (especially in the case of a manipulation attempt). Nevertheless, the latching engagement of the locking tip of the locking element with the Latch detent recess of the platelet locking remains, whereby the explained second change of resistance in the displacement of the platelet locking despite a tilting of the locking element remains and assigning the sensed resistance to movement is made difficult to a fixed position of the platelet.
  • first and second torsional backlashes are smaller than the third torsional backlash, it is also prevented that the boundaries of the tumbler locking recess can be exploited to bring the platelet tumblers one after the other into the unlocking position according to the above-described "setting" method, thus ensuring the security against theft even further increased.
  • the latch member is preferably translationally mounted linearly (i.e., rectilinearly). With respect to the axis of rotation of the cylinder core, the locking element is preferably mounted displaceably in the radial direction.
  • a holding plate in particular the holding plate already mentioned above, is arranged between the cylinder core and the cylinder housing, wherein a locking element associated with the locking element is supported between the holding plate and the locking element.
  • the retaining plate is positively received in a recess on the outside of the cylinder core and flush outside.
  • the retaining plate is preferably curved, wherein a bearing opening of the retaining plate, in particular the above-mentioned bearing opening, can be designed so that the blocking portion of the locking element engages positively in the release position in the bearing opening and forms an externally flush termination with the retaining plate.
  • the retaining plate can be freely floating inserted into the recess on the outside of the cylinder core (especially with game), resulting in an improved picking safety by a greater torsional backlash of the cylinder core.
  • the retaining plate can be pressed into the recess on the outside of the cylinder core.
  • each plate tumbler of a group comprising some or all of the plurality of platelet tumblers comprises a latch receiving recess and at least one latch latch recess, the latch member extending along the axis of rotation of the cylinder core, and wherein in the release position of the latch member the latch tip is inserted into the latch Bolt receiving pits of group of platelet tumblers intervenes.
  • a single latch member may be associated with all of the pad tumblers of the cylinder lock to interact therewith, or a single latch member is associated with a subset of the platelet tumblers (e.g., every other).
  • a plurality of locking elements may be provided which are arranged axially one behind the other and are effective independently.
  • two locking elements may be provided, which may be arranged diametrically opposite with respect to the axis of rotation of the cylinder core.
  • the respective locking element may extend parallel or obliquely to the axis of rotation of the cylinder core, and it may be rectilinear or non-rectilinear (for example, arcuate).
  • a suitable complexity of the cylinder lock in the sense of the above-explained alternatives can be selected.
  • the plurality of die tumblers are biased to the respective lock position along a first biasing direction, the latch member being biased to the release position along a second biasing direction, and wherein the first biasing direction and the second biasing direction are perpendicular or oblique.
  • the first biasing direction may be directed radially outward with respect to the axis of rotation of the cylinder core, whereby the platelet tumblers in principle, ie in their normal position, engage with their respective engagement portion in the Zuroissblockierverianaung the cylinder housing and lock the cylinder core with respect to a rotation.
  • the second biasing direction ie, the biasing direction of the locking element, directed radially inward, whereby a dual functionality of the locking element is ensured.
  • the locking element as already explained, received a latching positive engagement with the locking catch recess of the plate tumbler in order to realize a second resistance when moving the plate tumbler.
  • the radially inwardly directed second biasing direction serves to automatically engage the latch member in the latch receiving recess of the die tumbler when the platelet tumbler is in its unlocked position, thereby disengaging the blocking portion of the latch member from the latch blocking recess and the cylinder core in the cylinder housing can be turned.
  • the platelet tumblers can be biased towards one another in opposite directions, ie in two opposite directions.
  • the plurality of die tumblers are biased into the locking position by a respective tumbler biasing means, the latch member being biased to the release position by a latch biasing means, and wherein the tumbler biasing means and the latch receiving recess of the at least one platelet tumbler and the latch biassing means and the latching tip of the latch member are tuned thereto in that in a closed position of the cylinder core the platelet tumblers assume their respective locking position and the platelet tumbler or platelet tumblers, which comprise a latch engagement recess, thereby urge the locking element into the blocking position.
  • the tumbler biasing devices cause the platelet tumblers to assume their respective latching positions, due to the biasing action and the shape of the latch receiving recess of the respective platelet tumblers or platelet tumblers, contrary to its bias in FIG The blocking position is urged, Thus, in the basic position of the cylinder core is locked against rotation.
  • each of the plurality of die tumblers has a key insertion opening, the outline of which has a first and a second coding portion.
  • a key associated with the cylinder lock (in particular on a first side of a center plane) has a sequence of first cuts corresponding to the first coding sections of the plurality of die tumblers.
  • the key (especially on a second side of the midplane) has a series of second cuts corresponding to the second coding portions of the plurality of die tumblers.
  • the structure of the cylinder lock shown is first based on Fig. 1 described.
  • the lock has a cylinder housing 11 and a cylinder core 13 rotatable therein, wherein the cylinder housing 11 Zuroissblockierveriefonne 15, 15 'and a latch locking recess 17 has.
  • the cylinder core 13 has (not shown) on a top and bottom tumbler openings 19 for receiving Platarzzezuiensen 21.
  • a bolt receiving opening 25 for receiving a locking element 27 and a holding plate receiving recess 29 for receiving a holding plate 31 is provided on the cylinder core 13 laterally a bolt receiving opening 25 for receiving a locking element 27 and a holding plate receiving recess 29 for receiving a holding plate 31 is provided.
  • the cylinder lock can be opened and closed by means of an associated key 33, wherein the cylinder core 13 is rotatable about a rotation axis A.
  • Fig. 2b the cylinder core 13 is shown with the key 33 inserted therein, wherein the plate tumblers 21, the holding plate 31 and the locking element 27 are received in the cylinder core 13.
  • Fig. 2a is the cylinder housing 11 shown, wherein the substantially circular cross-section of the inner circumferential surface of the cylinder housing 11 is interrupted by diametrically opposed Zuroissblockierveriefept 15, 15 'and offset by 90 ° arranged latch locking recess 17.
  • Fig. 3 the cylinder housing 11 is shown with the cylinder core 13 received therein, wherein the locking element 27 engages with a blocking portion 37 in the latch locking recess 17.
  • the platelet tumblers 21 are in the cylinder core 13 along a in Fig. 1 and 4 shown biasing direction Y movable between a locking position and an unlocking position, wherein the platelet tumblers 21, as in Fig. 4 shown biased by means of plate tumbler springs 55, 55 'along the biasing direction Y.
  • Groups of platelet tumblers 21 are biased in opposite directions in the embodiment shown, ie, a group of platelet tumblers 21 is biased by platelet tumblers 55 in the biasing direction Y, so that engages in the locking position of the respective engagement portion 23 in the tumbler blocking recess 15 of the cylinder housing 11; another group of die tumblers 21 is biased against the biasing direction Y by means of die tumbler springs 55 'so that the respective engagement portion 23' engages tumbler blocking recess 15 'of cylinder barrel 11.
  • Each plate tumbler 21 is integrally formed and has a key insertion opening 63 ( Fig. 4 ).
  • the plate tumblers 21 on an outer longitudinal side on a respective latch receiving recess 47 which is provided for receiving a locking tip 35 of the locking element 27.
  • latch notches 49a, 49a ', 49b and 49b' On both sides adjacent to the latch receiving recess 47 are latch notches 49a, 49a ', 49b and 49b', wherein the latch engagement recesses 49a and 49a 'are disposed in the biasing direction Y above the latch receiving recess 47, and the latch engagement recesses 49b and 49b' are disposed below the latch receiving recess 47 (opposite to the biasing direction Y shown). Further, between the latch receiving recess 47 and the latch latch recess 49a, there is provided an intermediate boss 51a.
  • an intermediate protrusion 51b is provided between the latch receiving recess 47 and the latch catch recess 49b.
  • the locking engagement recesses 49a, 49a ', 49b and 49b' are designed for a latching engagement of the locking tip 35 of the locking element 27 when the respective plate tumbler 21 relative to its unlocking position (FIG. Fig. 6b ) is offset.
  • the latch engagement recesses 49a, 49a ', 49b and 49b' are less deep than the latch receiving recess 47.
  • the locking tip 35 of the locking element 27 and the blocking section 37 of the locking element 27 are connected to one another by means of a connecting section 39.
  • the locking tip 35 has on its front side a groove 41, which fulfills the function of an intermediate recess 43.
  • the locking element 27 is prestressed in a prestressing direction X of the locking element 27 by means of a locking pretensioning device consisting of locking element springs 45, 45 '( Fig. 4 ), wherein the locking element springs 45, 45 'are located between the locking tip 35 and the retaining plate 31 on both sides of the connecting portion 39 ( Fig. 5 and Fig. 1 ).
  • the biasing direction X of the locking element 27 extends in the embodiment shown here perpendicular to the biasing direction Y of the platelet tumblers 21.
  • the respective directions of movement and, accordingly, the two bias directions X, Y but also obliquely to each other.
  • the locking element 27 is guided through a bearing opening 53 of the holding plate 31, wherein the blocking portion 37 is located in the radially outer region of the holding plate 31; the locking tip 35 of the locking element 27 is located at the other end in the radially inner region, ie within the cylinder core 13, wherein the outlines of the cylinder core 13, for better visibility of the cylinder core 13 located in parts Fig. 4 are not shown.
  • the connecting portion 39 of the locking member 27 on one side 46a which faces in a direction of opening O of the cylinder core 13 is not or less set back with respect to the blocking portion 37 of the locking member 27 than on another side 46b, which opposes the opening direction of the O Cylinder core 13 points.
  • the surface 46b is bevelled with respect to the planar surface 46a.
  • the blocking portion 37 of the locking element 27 thus forms on the side 46b a lateral projection 65 which projects beyond the side 46b or bevelled surface 46b.
  • the lateral projection 65 of the blocking portion 37 overlaps the outer circumference of the cylinder core 13 and the retaining plate 31, whereby the blocking portion 37 of the locking element 27 continues to engage the locking block recess 17 of the cylinder housing 11 and rotation of the cylinder core 13 about the rotation axis A (FIGS. Fig. 1 ) prevented.
  • the cylinder core 13 is rotatable in the cylinder housing 11 only between a closed position and an open position.
  • Fig. 6a shows the lock in a locked state, which is characterized in that at least one of the die tumblers 21 (in the basic position of the cylinder lock: each of the platelet tumblers 21) is in the locking position.
  • the plate tumbler 21 shown in the foregoing engages with the engagement section 23 in the tumbler blocking recess 15, as a result of which the cylinder core 13 is rotated with respect to a rotation about the axis of rotation A, with the exception of a slight torsional backlash.
  • Fig. 1 is locked.
  • the locking element 27 is offset against the biasing direction X so that the blocking portion 37 of the locking element 27 engages the latch blocking recess 17 and the cylinder core 13, apart from an even smaller backlash, respect a rotation of the cylinder core 13 about the axis of rotation A ( Fig. 1 ) additionally blocked.
  • Fig. 6b the cylinder lock is shown in the open state.
  • the opened state is initially characterized in that all platelet tumblers 21 are in the unlocking position, ie, none of the platelet tumblers 21 engages with the engagement portions 23, 23 'in the tumbler blocking recesses 15, 15' of the cylinder housing 11.
  • the locking tip 35 of the locking element 27 is completely received in the latch receiving recess 47 of the respective plate tumbler 21, whereby the blocking portion 37 of the locking element 27 no longer engages in the latch locking recess 17 of the cylinder housing 11, but in the bearing opening 53 of the holding plate 31 is included.
  • the locking element 27 is accordingly in its release position. If, therefore, all platelet tumblers 21 are in their unlocking position and thereby also the locking element 27 is in its release position, the cylinder core 13 can rotate freely about the axis of rotation A (FIG. Fig. 1 ) be rotated.
  • the key 33 In order to move all platelet tumblers 21 into their unlocking position, the key 33 is inserted into the keyway of the cylinder lock, which is locked by the mutually aligned key insertion openings 63 (FIG. Fig. 1 and Fig. 4 ) of the platelet tumblers 21 is formed.
  • the outline of the respective key insertion opening 63 has a first coding section 59a and a second coding section 59b (FIG. Fig. 4 ).
  • the key 33 has on a first side of a center plane a series of first cuts 61a, 61a '( Fig. 1 ) corresponding to the first coding portions 59a of the plate tumblers 21.
  • a series of second cuts 61b, 61b ' which correspond to the second encoding portions 59b of the plate tumblers 21.
  • the notches 61a, 61a ', 61b, 61b' slide along the coding sections 59a, 59b of the platelet tumblers 21, thereby displacing the platelet tumblers 21 against their respective bias from the locking position.
  • the locking tip 35 of the locking element 27 slides along the longitudinal side of the respective plate tumbler 21 and engages in a latching manner successively only in the latch engagement depressions 49b, 49b '(or 49a, 49a') and finally in the latch receiving recess 47.
  • a first torsional backlash exists between the blocking portion 37 of the locking element 27 and the locking locking recess 17 of the cylinder housing 11
  • a second backlash exists between the connecting portion 39 of the locking element 27 and the bearing opening 53 of the retaining plate 31
  • a third torsional backlash exists between the engaging portion 23 of the at least one plate tumbler 21 and the Zuroissblockierveriefung 15 of the cylinder housing 11.
  • the first torsional backlash is chosen lower than the second torsional backlash, and the second backlash is chosen to be less than the third torsional backlash.
  • the locking element 27 can easily tilt or tilt when a torque in the opening direction of rotation is exerted on the cylinder core 13, while the blocking portion 37 of the locking element 27 engages in the locking block recess 17 of the cylinder housing 11.
  • associating the sensed resistance to movement to a particular position of the plate tumbler 21 becomes even more difficult.

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  • Electromagnetism (AREA)
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Claims (13)

  1. Serrure à cylindre comportant un boîtier de cylindre (11) et un noyau de cylindre (13) monté mobile en rotation dans le boîtier de cylindre (11) ; dans laquelle
    le boîtier de cylindre (11) comprend au moins une cavité de blocage de gâchette (15, 15') et une cavité de blocage de verrou (17) ;
    plusieurs gâchettes à paillettes (21) sont prévues dans le noyau de cylindre (13), chacune des plusieurs gâchettes à paillettes (21) comprenant une portion d'engagement (23, 23') et étant mobile entre une position de verrouillage et une position de déverrouillage, la portion d'engagement (23, 23') s'engageant dans la cavité de blocage de gâchette (15, 15') du boîtier de cylindre (11) en position de verrouillage, et étant dégagée de la cavité de blocage de gâchette (15, 15') en position de déverrouillage, et l'une au moins desdites plusieurs gâchettes à paillettes (21) présentant une cavité de logement de verrou (47) ;
    la serrure à cylindre comprend en outre un élément de verrou (27) qui présente une pointe de verrou (35) et une portion de blocage (37), l'élément de verrou (27) étant mobile entre une position de blocage et une position de libération et étant précontraint vers la position de libération,
    dans la position de blocage, la portion de blocage (37) s'engage dans la cavité de blocage de verrou (17) du boîtier de cylindre (11), et
    dans la position de libération, la pointe de verrou (35) s'engage dans la cavité de logement de verrou (47) de ladite au moins une gâchette à paillettes (21), et la portion de blocage (37) est dégagée de la cavité de blocage de verrou (17) du boîtier de cylindre (11) ;
    ladite au moins une gâchette à paillettes (21) présente, au voisinage de la cavité de logement de verrou (47), au moins une cavité d'enclenchement de verrou (49a, 49a', 49b, 49b') dans laquelle la pointe de verrou (35) de l'élément de verrou (27) s'engage en enclenchement lorsque ladite au moins une gâchette à paillettes (21) est décalée d'une première longueur de course hors de la position de déverrouillage, la cavité d'enclenchement de verrou (49a, 49a', 49b, 49b') étant moins profonde que la cavité de logement de verrou (47) de la gâchette à paillettes (21) ;
    entre la pointe de verrou (35) et la portion de blocage (37), l'élément de verrou (27) présente une portion de liaison (39) qui est plus étroite que la portion de blocage (37) de l'élément de verrou (27) par rapport à une direction tangentielle autour de l'axe de rotation (A) du noyau de cylindre (13),
    une plaque de retenue (31) est associée à l'élément de verrou (27), laquelle présente une ouverture de montage (53), la portion de liaison (39) de l'élément de verrou (27) traversant l'ouverture de montage (53) lorsque l'élément de verrou (53) lorsque l'élément de verrou (27) se trouve dans la position de blocage,
    lorsque ladite au moins une gâchette à paillettes (21) se trouve dans la position de verrouillage et que l'élément de verrou (27) se trouve dans la position de blocage, par rapport à un actionnement en rotation du noyau de cylindre (13), il existe un premier jeu de rotation entre la portion de blocage (37) de l'élément de verrou (27) et la cavité de blocage de verrou (17) du boîtier de cylindre (11), il existe un second jeu de rotation entre la portion de liaison (39) de l'élément de verrou (27) et l'ouverture de montage (53) de la plaque de retenue associée (31), et il existe un troisième jeu de rotation entre la portion d'engagement (23, 23') de ladite au moins gâchette à paillettes (21) et la cavité de blocage de gâchette (15, 15') du boîtier de cylindre (11), et
    le premier jeu de rotation est inférieur au second jeu de rotation, et
    le second jeu de rotation est inférieur au troisième jeu de rotation, de sorte que l'élément de verrou (27) peut basculer ou s'incliner lorsqu'un couple de rotation est exercé sur le noyau de cylindre (13) dans une direction de rotation d'ouverture (O), alors que l'élément de verrou (27) se trouve dans la position de blocage.
  2. Serrure à cylindre selon la revendication 1,
    dans laquelle
    au voisinage de la cavité de logement de verrou (47), ladite au moins une gâchette à paillettes (21) présente plusieurs cavités d'enclenchement de verrou (49a, 49a', 49b, 49b') disposées les unes à côté des autres.
  3. Serrure à cylindre selon la revendication 1 ou 2,
    dans laquelle
    de part et d'autre de la cavité de logement de verrou (47), ladite au moins une gâchette à paillettes (21) présente respectivement au moins une cavité d'enclenchement de verrou (49a, 49a', 49b, 49b') ou respectivement plusieurs cavités d'enclenchement de verrou (49a, 49a', 49b, 49b') disposées les unes à côté des autres.
  4. Serrure à cylindre selon l'une des revendications précédentes,
    dans laquelle
    la cavité de logement de verrou (47) est prévue sur une arête latérale de ladite au moins une gâchette à paillettes (21) par rapport à la direction de mouvement de ladite au moins une gâchette à paillettes (21) ;
    et/ou
    la cavité de logement de verrou (47) et ladite au moins une cavité d'enclenchement de verrou (49a, 49a', 49b, 49b') sont sensiblement en forme triangulaire.
  5. Serrure à cylindre selon l'une des revendications précédentes,
    dans laquelle
    ladite au moins une gâchette à paillettes (21) présente un bossage intermédiaire (51a, 51b) entre la cavité de logement de verrou (47) et ladite au moins une cavité d'enclenchement de verrou (49a, 49a', 49b, 49b'), la pointe de verrou (35) présente une cavité intermédiaire (43), et
    le bossage intermédiaire (51a, 51b) de ladite au moins une gâchette à paillettes (21) est adapté à s'engager dans la cavité intermédiaire (43) de la pointe de verrou (35) lorsque ladite au moins une gâchette à paillettes (21) est décalée hors de la position de déverrouillage d'une seconde longueur de course qui est inférieure à la première longueur de course.
  6. Serrure à cylindre selon la revendication 5,
    dans laquelle
    la cavité intermédiaire (43) de la pointe de verrou (35) est réalisée sous la forme d'une rainure (41) qui s'étend parallèlement à l'axe de rotation (A) du noyau de cylindre (13).
  7. Serrure à cylindre selon l'une des revendications précédentes,
    dans laquelle
    sur un côté (46a) qui est dirigé dans une direction de rotation d'ouverture (O) du noyau de cylindre (13), la portion de liaison (39) de l'élément de verrou (27) n'est pas décalée par rapport à la portion de blocage (37) de l'élément de verrou (27) ou bien elle est décalée moins loin que sur un autre côté (46b) qui est dirigé en sens opposé à la direction de rotation d'ouverture (O) du noyau de cylindre (13).
  8. Serrure à cylindre selon la revendication 7,
    dans laquelle
    sur un côté (46a), la portion de liaison (39) de l'élément de verrou (27) se termine en affleurement avec la portion de blocage (37) de l'élément de verrou (27), et sur l'autre côté (46b) elle est décalée par rapport à la portion de blocage (37) de l'élément de verrou (27), de manière à former une saillie latérale (65).
  9. Serrure à cylindre selon l'une des revendications précédentes,
    dans laquelle
    la plaque de retenue (31) est disposée entre le noyau de cylindre (13) et le boîtier de cylindre (11), un dispositif de précontrainte de verrou (45, 45') associé à l'élément de verrou (27) prenant appui entre la plaque de retenue (31) et l'élément de verrou (27).
  10. Serrure à cylindre selon l'une des revendications précédentes,
    dans laquelle
    chaque gâchette à paillettes (21) d'un groupe comprenant quelques-unes ou toutes desdites plusieurs gâchettes à paillettes (21) présente une cavité de logement de verrou (47) et au moins une cavité d'enclenchement de verrou (49a, 49a', 49b, 49b'),
    l'élément de verrou (27) s'étend le long de l'axe de rotation (A) du noyau de cylindre (13), et
    dans la position de libération de l'élément de verrou (27), la pointe de verrou (35) s'engage dans les cavités de logement de verrou (47) du groupe de gâchettes à paillettes (21).
  11. Serrure à cylindre selon l'une des revendications précédentes,
    dans laquelle
    lesdites plusieurs gâchettes à paillettes (21) sont précontraintes vers la position de verrouillage le long d'une première direction de précontrainte (Y), l'élément de verrou (27) est précontraint vers la position de libération le long d'une seconde direction de précontrainte (X), et
    la première direction de précontrainte (Y) et la seconde direction de précontrainte (X) s'étendent en oblique ou perpendiculairement l'une à l'autre.
  12. Serrure à cylindre selon l'une des revendications 1 à 8, 10 ou 11,
    dans laquelle
    lesdites plusieurs gâchettes à paillettes (21) sont précontraintes vers la position de verrouillage à l'aide d'un moyen de précontrainte de gâchette (55, 55') respectif,
    l'élément de verrou (27) est précontraint vers la position de libération à l'aide d'un moyen de précontrainte de verrou (45, 45'), et
    les moyens de précontrainte de gâchette (55, 55') et la cavité de logement de verrou (47) de ladite au moins une gâchette à paillettes (21) ainsi que le moyen de précontrainte de verrou (45, 45') et la pointe de verrou (35) de l'élément de verrou (27) sont adaptés de telle sorte que dans une position de fermeture du noyau de cylindre (13), lesdites plusieurs gâchettes à paillettes (21) occupent la position de verrouillage et ladite au moins une gâchette à paillettes (21) repousse ainsi l'élément de verrou (27) jusque dans la position de blocage.
  13. Serrure à cylindre selon l'une des revendications précédentes,
    dans laquelle
    chacune desdites plusieurs gâchettes à paillettes (21) possède une ouverture d'insertion de clé (63) dont le contour présente une première (59a) et une seconde portion de blocage (59b),
    une clé (33) associée à la serrure à cylindre présente une succession de premières entailles (61a, 61a') correspondant aux premières portions de codage (59a) desdites plusieurs gâchettes à paillettes (21), et une succession de secondes entailles (61b, 61b') correspondant aux secondes portions de codage (59b) desdites plusieurs gâchettes à paillettes (21).
EP15728530.5A 2014-06-13 2015-06-12 Serrure à cylindre Active EP3155191B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102014108355.5A DE102014108355A1 (de) 2014-06-13 2014-06-13 Zylinderschloss
PCT/EP2015/063126 WO2015189367A1 (fr) 2014-06-13 2015-06-12 Serrure à cylindre

Publications (2)

Publication Number Publication Date
EP3155191A1 EP3155191A1 (fr) 2017-04-19
EP3155191B1 true EP3155191B1 (fr) 2019-12-04

Family

ID=53385648

Family Applications (1)

Application Number Title Priority Date Filing Date
EP15728530.5A Active EP3155191B1 (fr) 2014-06-13 2015-06-12 Serrure à cylindre

Country Status (8)

Country Link
US (1) US10087655B2 (fr)
EP (1) EP3155191B1 (fr)
CN (1) CN106574467B (fr)
DE (1) DE102014108355A1 (fr)
DK (1) DK3155191T3 (fr)
ES (1) ES2768750T3 (fr)
TW (1) TWI654360B (fr)
WO (1) WO2015189367A1 (fr)

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BR112019009134B1 (pt) * 2016-11-04 2023-02-28 Huf Hülsbeck & Fürst Gmbh & Co. Kg Unidade de fechadura para veículo automóvel
EP3550098B1 (fr) 2018-04-03 2020-12-16 Knox Associates, Inc. DBA Knox Company Protecteur et absorbeur de fluide pour des dispositifs de verrouillage
EP3578742B1 (fr) * 2018-06-04 2021-03-03 U-Shin France Serrure à barillet
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Also Published As

Publication number Publication date
CN106574467B (zh) 2019-08-13
US20170254113A1 (en) 2017-09-07
ES2768750T3 (es) 2020-06-23
WO2015189367A1 (fr) 2015-12-17
TWI654360B (zh) 2019-03-21
TW201615948A (zh) 2016-05-01
DE102014108355A1 (de) 2015-12-17
EP3155191A1 (fr) 2017-04-19
DK3155191T3 (da) 2020-01-27
US10087655B2 (en) 2018-10-02
CN106574467A (zh) 2017-04-19

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