EP3483365A1 - Clé d'actionnement d'un cylindre de serrure et système de fermeture à clé et à cylindre de serrure - Google Patents

Clé d'actionnement d'un cylindre de serrure et système de fermeture à clé et à cylindre de serrure Download PDF

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Publication number
EP3483365A1
EP3483365A1 EP17200898.9A EP17200898A EP3483365A1 EP 3483365 A1 EP3483365 A1 EP 3483365A1 EP 17200898 A EP17200898 A EP 17200898A EP 3483365 A1 EP3483365 A1 EP 3483365A1
Authority
EP
European Patent Office
Prior art keywords
key
shank
channel
lock cylinder
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.)
Granted
Application number
EP17200898.9A
Other languages
German (de)
English (en)
Other versions
EP3483365B1 (fr
Inventor
Wolfgang HÖLLER
Toan Nguyen
Klaus Ziaja
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
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
Application filed by BKS GmbH filed Critical BKS GmbH
Priority to EP17200898.9A priority Critical patent/EP3483365B1/fr
Publication of EP3483365A1 publication Critical patent/EP3483365A1/fr
Application granted granted Critical
Publication of EP3483365B1 publication Critical patent/EP3483365B1/fr
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
    • E05B19/0041—Key profiles characterized by the cross-section of the key blade in a plane perpendicular to the longitudinal axis of the key
    • E05B19/0052—Rectangular flat keys
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B35/00—Locks for use with special keys or a plurality of keys ; keys therefor
    • E05B35/003—Locks for use with special keys or a plurality of keys ; keys therefor for keys with movable bits
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B27/00—Cylinder locks or other locks with tumbler pins or balls that are set by pushing the key in
    • E05B27/0078—Asymmetrical tumbler pins, e.g. with a key operating on a radial protrusion of a tumbler pin

Definitions

  • the invention relates to a key for actuating a lock cylinder, with a key crayon and a key shaft extending from the crenel.
  • the invention relates to a locking system with such a key and an associated lock cylinder.
  • Such keys comprise a key bit and a key shaft extending from the key bit, on which are formed recesses for aligning tumblers provided on an associated key cylinder.
  • Such keys have been proven, as these, inter alia, due to the high number individual locking combinations offer the consumer a high level of security.
  • the invention has for its object to enable safe and reliable operation with a key or a locking system with simple structural means. It is desirable to reduce the use of materials.
  • the invention achieves the object by a key with the features of claim 1.
  • the key is characterized in that in the key shank a through the key shank extending through channel is formed, in which a displaceable along or within the channel rolling elements for actuating a (side) tumbler (a lock cylinder) is arranged.
  • Such a configuration has the advantage that the copy security of such a key (lock cylinder key) is increased.
  • the copy protection is increased. In this case, a force can be passed through the key shank by means of the rolling body. By extending across the key shaft channel, the stability of the key shaft is not or only negligibly affected.
  • the channel for the rolling elements in the remote from the crayon half of the key shaft front key shank half
  • a tumbler corresponding to the rolling element can be arranged at or near the inner end of the closing channel of an associated lock cylinder. This makes manipulation difficult.
  • the channel for the rolling element can be adapted to the shape of the rolling element, so that the cross section of the channel corresponds to the cross section of the rolling element.
  • the inner dimensions of the channel can in particular be selected to be slightly larger than the outer dimensions of the rolling element (cross section or main dimensions). This allows a mobility of the rolling body along the channel.
  • the rolling element is smaller in its transverse to the key shaft (key shaft strength) oriented dimensions dimensioned as the strength of the key shaft.
  • the rolling element in a spherical or circular cylindrical configuration has a diameter which is less than the strength of the key shaft (key shank thickness).
  • the channel may be circular, for example. Drilled or punched, be.
  • the key shank extends in particular along an axial direction away from the key chalk.
  • the key has narrow sides oriented along the direction of thickness / thickness of the key.
  • each side surface of the key or of the key shaft is located between the narrow sides.
  • the key for actuating a lock cylinder may in particular be a profile cylinder key.
  • the associated lock cylinder can be designed in particular as a profile cylinder. "Associated" means that a key can be fitted into a lock cylinder so that the lock cylinder can be operated by the key.
  • the profile cylinder key can be designed as a beard key ("conventional profile cylinder key").
  • a beard key can only be inserted in one orientation into an associated lock cylinder.
  • the profile cylinder key may be formed as a reversible key.
  • a reversible key can be inserted in several, in particular in two, orientations in an associated lock cylinder.
  • the channel (rolling element channel) can be reduced at the ends in each case open and at the end in cross section.
  • the rolling elements can protrude in sections from the channel, but falling out of the rolling body from the channel is avoided.
  • the channel can be reduced at each end by forming in cross section.
  • the rolling element may be caulked in the key shank.
  • the channel may extend transversely or obliquely through the key shaft, in particular be arranged transversely or obliquely to the longitudinal center plane of the key shaft.
  • a force can be transmitted over a short path through the key shaft.
  • the channel can intersect the key shank at a right angle (right angle between the central longitudinal axis of the channel and the central longitudinal plane of the key shank).
  • the rolling element may be formed as a ball, roller or needle.
  • a suitable rolling element for the respective application can be provided.
  • a longitudinal groove may be formed which extends (axially) from the channel to the free end of the key shaft (key shank tip).
  • a simple insertion of the key is made possible in a keyway, in particular when the cylinder-side stop element is stationary with respect to the keyway or the cylinder core of the lock cylinder and / or in the keyway protrudes.
  • the longitudinal groove can then serve as access for the above cylinder-side stop element.
  • the key shank can have a stabilization insert in its half (front half) facing away axially from the key bit, which has a higher strength than the material of the key shank. This strengthens and stabilizes the key shank. The risk of damage to the key shaft, for example by bending or breaking, is thus considerably reduced.
  • the stabilization insert can be arranged axially on the side facing away from the free end of the key shaft side of the channel (Wälz Eisenkanal).
  • the stabilization insert can be arranged, in particular pressed, in a passage formed in the key shank, in particular punched.
  • a cross-sectional reduction can be provided within the passage, for example in the form of a shoulder. The stabilization insert can come into contact with this cross-sectional reduction.
  • the stabilization insert may be formed such that it is arranged flush or recessed relative to the side surfaces of the key shank.
  • the stabilization insert on one side or on both sides in each case has a protruding from the key shaft projection for closing coding.
  • the side surfaces of the key shaft can be formed parallel to each other and profile-free (side surfaces free of axial, a key shank profiling depressions and / or elevations).
  • This facilitates the production and reduces the storage in the key production, since it can always fall back on the same base material.
  • the above-described longitudinal groove does not constitute a profiling of the key shank, since this merely facilitates the insertion of a stop element into the channel.
  • the cross section of the key shank itself thus does not contribute to the closing coding, but only the features incorporated in the key shank, for example by projections formed in inserts inserted into the key shank and / or recesses formed in the key shank (bearer side) for actuating cylinder-side tumblers.
  • the base material for key production can thus be unprofiled plates, for example metal or sheet metal plates.
  • the key shank may have recesses (for actuating cylinder-side tumblers) serving for closing coding, and a continuous outer edge may be formed in the region of the recesses.
  • recesses for actuating cylinder-side tumblers
  • a continuous outer edge may be formed in the region of the recesses.
  • the outer edge may be formed by a web extending axially along the key shaft. This forms the dull outer edge and stabilizes the key shaft.
  • To the web can be arranged on both sides of the recesses for closing coding.
  • the web may in particular be arranged centrally in relation to the thickness of the key shank, wherein the web is located between the two rows of recesses and stabilizes the key shank. In other words, a double-row version of the recesses with web is created as an intermediate element.
  • the key shank in particular the key crest and the key shank, can have a material thickness of 1.5 mm to 2.5 mm (millimeters), preferably 1.7 mm to 2.3 mm, more preferably 1.8 mm to 2.2 mm, even more preferably 2 , 0mm, exhibit.
  • the key can be formed from low-nickel metal or a low-nickel metal alloy, in particular from a stainless chromium steel.
  • low-nickel is understood to mean that the nickel release is below a release rate which is relevant or perceptible for allergy sufferers, in particular below 0.5 ⁇ g nickel per cm 2 per week.
  • the locking system is characterized in that the lock cylinder a lateral tumbler for actuation by the movable rolling elements of the key and on or in its keyway (key channel of the lock core of the lock cylinder) has a stop element, wherein upon insertion of the key in the keyway of the rolling elements with the Stop element comes into contact and is thereby displaced in the channel of the key shank, whereby the tumbler is displaced in the release position.
  • the stop element can be designed as a pin (scanning pin) arranged orthogonally to the key channel in the cylinder core.
  • the pin can be stepped.
  • the pin may have a key portion facing the front portion having a first diameter and a keyway remote from the second channel, in particular wherein the second diameter is greater than the first diameter.
  • the stop element or the pin may have a conical free end facing the closing channel (conical tip or conical section).
  • the pin can be fixed relative to the key channel and / or the cylinder core be arranged.
  • the stylus may also be referred to as an activation stylus.
  • the lateral tumbler in the diameter range of the cylinder housing may be arranged.
  • a lateral tumbler is created with simple structural means.
  • the lateral tumbler may include a press-fit plug, a lock pin, and a compression spring disposed between the push-in plug and the lock pin.
  • an actuating element in particular an actuating pin, can be arranged in the cylinder core of the lock cylinder, via which the rolling element acts on the tumbler.
  • the actuating element may be opposite the stop element with respect to the keyway.
  • the longitudinal axes of the actuating element and the stop element may be arranged parallel or congruent.
  • the actuating element may be formed as a deflection pin, which transmits the force with a lateral offset to the tumbler.
  • the actuating element may thus have a cylindrical portion (pin portion) and an arm portion projecting therefrom. This embodiment allows an offset arrangement of the lateral tumbler or its locking pin relative to the stop element and / or the cylindrical portion of the actuating pin.
  • the lateral tumbler, the stop member and / or the actuator may be located (axially) at or near the inboard end of the keyway. This makes manipulation of these components difficult.
  • the lock cylinder may have further features.
  • the lock cylinder may have tumblers for recesses in the key shank.
  • the tumblers may have core pins, housing pins and springs (cylinder springs) for biasing the tumblers.
  • Steel balls can close the openings for the tumblers in the cylinder housing.
  • In the cylinder core can be arranged adjacent to the closing channel opening hard metal pins as Bohrschutz.
  • the lock cylinder can have a double-row design on tumblers and lateral tumblers with profile sensing pins.
  • locking system can also serve the measures described in connection with the key.
  • FIG. 1 shows an embodiment of a key (lock cylinder key), which is generally designated by the reference numeral 10.
  • the key 10 is presently designed as a "conventional profile cylinder key" (beard key).
  • the key 10 has a key bit 12 and a key shank 16 extending away from the key bit 12 along an axial direction 14.
  • the key shank 16 has a half 18 (front half 18) facing away from the key chalk 12 and a half 20 (rear half 20) facing the key chamfer 12.
  • a channel 22 extending through the key shank 16 is formed.
  • a rolling body 24 for actuating a lateral tumbler of an associated lock cylinder is arranged (see FIG. 3 and 4 ).
  • the rolling element 24 is displaceable along the channel 22 within the channel 22.
  • the rolling element 24 can move freely along the channel 22.
  • the channel 22 is in each case open at the end and is reduced in cross-section (with reference to the channel section located between the ends) (see FIG. 4 ).
  • the roller body 24 may end up partially projecting out of the channel 22, but falling out of the rolling element 24 from the channel 22 is avoided.
  • the rolling elements 24 may, for example, be caulked in the key shank 16, as shown here.
  • the channel 22 extends transversely through the key shank 16 (channel 22 disposed transversely to the longitudinal median plane of the key shank 16).
  • the channel 22 intersects the key shank 16, in particular at a right angle.
  • the rolling element 24 is in the present case designed as a ball.
  • the channel 22 has a circular cross-section and is minimally larger than the diameter of the rolling body 24.
  • the channel 22 may be formed by drilling or punching.
  • the key shank 16 has a side 26 (side surface 27) and an opposite side 28 (side surface 29) (see FIG. 1 ).
  • a longitudinal groove 30 is formed, which extends axially from the channel 22 to the free end of the key shaft 16 (key shank).
  • the longitudinal groove 30 serves as access for a cylinder-side sensing element which scans the rolling element 24 (described below).
  • the key shank 16 has a stabilization insert 32 in its half 18 (front half 18), which is axially remote from the key bit 12.
  • the stabilization insert 32 has a higher strength than the material of the key shank 16.
  • Der Stabilization insert 32 is secured in a formed in the key shank 16 passage 33, in particular pressed.
  • the stabilization insert 32 is designed in such a way that, when inserted, it is arranged flush or recessed relative to the side surfaces 27, 29 of the key shaft 16.
  • the side surfaces 27, 29 of the key shank 16 are formed parallel to each other and profile-free. This means that the side surfaces 27, 29 are free of - a key shaft profiling forming -, for example. Axial, surveys and / or depressions.
  • the above-described longitudinal groove 30 does not constitute a profiling, since this serves merely to introduce a sensing element or, in other words, as access for a stop element into the channel 22.
  • the key shank 16 has recesses 34, 36 serving for the closing coding (notches for actuating lock-side tumblers 114). In the region of the recesses 34, 36 a continuous outer edge 38 is formed. The outer edge 38 is formed by a web 40 extending axially along the key shaft 16. On both sides of the web 40, the recesses 34, 36 are arranged (double-row design).
  • the key 10, in particular the key 12 and the key shank 16, may have material thicknesses as described above. Further, the key 10 may be formed of low-nickel metal or a low-nickel metal alloy, as described above.
  • FIG. 3 shows a locking system, which is generally designated by the reference numeral 100.
  • the locking system 100 has a key 10 as described above and an associated lock cylinder 102.
  • the lock cylinder 102 is formed as a "conventional profile cylinder" for receiving a beard key ("conventional profile cylinder key").
  • the profile cylinder 102 has a cylinder housing 104, which has a diameter portion 106 and a waisted portion 108.
  • the cylinder housing 104 may be formed in one piece or modular (different lengths by a cylinder housing 104 formed from a plurality of elements of different lengths).
  • a core passage 110 for receiving a rotatable cylinder core 112 is formed in the cylinder housing 104.
  • the lock cylinder 102 has tumblers 114 which are inserted into tumbler bores 116 in the cylinder housing 104 and the cylinder core 112, respectively.
  • the tumblers 114 have housing pins 118, core pins 120 and cylinder springs 122.
  • Balls or steel balls 124 close the tumbler bores 116 at FIG. 3 lower end of the cylinder housing 104 (waisted portion 108).
  • the cylinder core 112 has a keyway 126 into which the key 10 can be inserted from an insertion end 128.
  • a drill protection 130 in the form of a hard metal pin is respectively introduced on both sides of the key channel 126.
  • the hard metal pins 130 are introduced into bore protection openings 132 in the cylinder core 112.
  • the lock cylinder 102 has a lateral tumbler 134 for actuation by the displaceable rolling elements 24 of the Key 10 on.
  • the cylinder core 112 has a stop element 136 on or in its keyway 126.
  • the lateral tumbler 134 and the stop element 136 are arranged axially at the same height relative to the longitudinal direction of the keyway 126.
  • the lateral tumbler 134 and the stopper 136 are thus opposite each other.
  • the stopper member 136 is formed as a pin orthogonal to the keyway 126 in the cylinder core 112 (scanning pin).
  • the stop element 136 is arranged in a stop element receiving opening 138 fixed in the cylinder core 112.
  • the stopper member 136 has, relative to the keyway 126, a front portion 140 having a first diameter and a rear portion 142 having a second diameter larger than the first diameter.
  • the stop element 136 has a conical front end 144, which projects into the keyway 126.
  • the lateral tumbler 134 is disposed in the diameter portion 106 of the cylinder housing 104, in a recess 151 of the cylinder housing 104.
  • the side tumbler 134 has a press-fit plug 146 which is cup-shaped and open to one side. In this opening of the press-fit plug 146, a compression spring 148 and a locking pin 150 are arranged (see FIG. 3 and 4 ).
  • an actuating element 152 is arranged, via which the rolling element 24 (ball) acts on the lateral tumbler 134.
  • the actuator 152 may also be referred to as an actuating pin or deflection pin become. In the locked state, the actuating element 152 is in particular flush with the keyway 126.
  • the actuator 152 has a cylindrical portion 154. Cylindrical portion 154 may have a smaller diameter forward portion 156 relative to keyway 126 and a larger diameter rearward portion 158.
  • the actuating element 152 also has an arm portion 160 projecting from the cylindrical portion 154. The arm portion 160 is in contact with the locking pin 150 of the side tumblers 134. The arm portion 160 allows a distributed arrangement of the tumbler 134 and the cylindrical portion 154 of the actuating element.
  • FIG. 4 (a) shows a locked state of the lock cylinder 102.
  • the key 10 is not inserted in the keyway 126.
  • the actuator 152 is inoperative, so that the side tumbler 134 is active and blocks actuation of the lock cylinder 102.
  • the locking pin 150 thus protrudes into the cylinder core 112. Even if the tumblers 114 were in the release position, the cylinder core 112 could only be rotated relative to the cylinder housing 104 until the wall sections 162, 164 rest against the locking pin 150. A full operation of the lock cylinder 102 required for opening is not possible.
  • FIG. 4 (b) shows an unlocked state of the lock cylinder 102.
  • the key 10 is inserted into the lock channel 126.
  • the stop element 136 (conical end 144) first passes through the longitudinal groove 30 formed in the key shank 16 before the rolling element 24 (ball) comes into contact with the stop element 136 (conical end 144).
  • the stop element 136 projects with its conical end 144 into the channel 22 formed in the key shank 16 and displaces the rolling element 24 along the longitudinal direction of the channel 22 (in FIG FIG. 4 to the right).
  • the rolling element 24 then protrudes at the side facing away from the stop element 136 side of the key shaft 16 sections.
  • the lateral tumbler 134 is displaced in the release position.
  • the actuating element 152 is displaced accordingly in the direction of the tumbler 134.
  • the front end of the locking pin 150 is thus in the parting plane between the cylinder core 112 and cylinder housing 104 (edge of the core passage) and thus in the release position. If the tumblers 114 are also in the release position, the cylinder core 112 can be rotated relative to the cylinder housing 104. Thus, a complete actuation of the lock cylinder 102 is possible.
  • the key may be formed as a profiled cylinder key in the form of a reversible key and the profile cylinder as a cylinder for such a reversible key.
  • the key 10 may then have on both sides 26, 28 a longitudinal groove 30 which extends from the tip of the key shaft 16 to the channel 22.

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EP17200898.9A 2017-11-09 2017-11-09 Clé d'actionnement d'un cylindre de serrure et système de fermeture à clé et à cylindre de serrure Active EP3483365B1 (fr)

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EP17200898.9A EP3483365B1 (fr) 2017-11-09 2017-11-09 Clé d'actionnement d'un cylindre de serrure et système de fermeture à clé et à cylindre de serrure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP17200898.9A EP3483365B1 (fr) 2017-11-09 2017-11-09 Clé d'actionnement d'un cylindre de serrure et système de fermeture à clé et à cylindre de serrure

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EP3483365A1 true EP3483365A1 (fr) 2019-05-15
EP3483365B1 EP3483365B1 (fr) 2020-05-13

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT202000003844A1 (it) * 2020-02-25 2021-08-25 Securemme S R L Sistema di sicurezza, serratura e relativa chiave di azionamento
PL442841A1 (pl) * 2022-11-15 2024-05-20 Artur Litwiński System zamykania wkładki bębenkowej, klucz i klucz surowy

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0029498A1 (fr) * 1979-11-24 1981-06-03 DOM-Sicherheitstechnik GmbH & Co. KG Serrure cylindrique avec clé plate
FR2492872A1 (fr) * 1980-08-13 1982-04-30 Vachette Sa Cle a poussoir incorpore et barillet de surete utilisant ladite cle
FR2521201A1 (fr) * 1982-02-05 1983-08-12 Vachette Sa Cle a poussoir mobile et barillet de surete utilisant ladite cle
US4667495A (en) * 1984-03-14 1987-05-26 Vachette Key with movable plunger, security barrel for said key, and a lock equipped with such a barrel
JPH02128078A (ja) * 1988-11-07 1990-05-16 Masaji Terada 鍵の製造方法及び鍵
EP1767731A1 (fr) * 2005-09-06 2007-03-28 Talleres De Escoriaza, S.A. Système de clé et de serrure de sûreté contre la reproduction frauduleuse de cette clé
EP2388415A2 (fr) 2010-05-20 2011-11-23 BKS GmbH Clé de cylindre de profilé

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0029498A1 (fr) * 1979-11-24 1981-06-03 DOM-Sicherheitstechnik GmbH & Co. KG Serrure cylindrique avec clé plate
FR2492872A1 (fr) * 1980-08-13 1982-04-30 Vachette Sa Cle a poussoir incorpore et barillet de surete utilisant ladite cle
FR2521201A1 (fr) * 1982-02-05 1983-08-12 Vachette Sa Cle a poussoir mobile et barillet de surete utilisant ladite cle
US4667495A (en) * 1984-03-14 1987-05-26 Vachette Key with movable plunger, security barrel for said key, and a lock equipped with such a barrel
JPH02128078A (ja) * 1988-11-07 1990-05-16 Masaji Terada 鍵の製造方法及び鍵
EP1767731A1 (fr) * 2005-09-06 2007-03-28 Talleres De Escoriaza, S.A. Système de clé et de serrure de sûreté contre la reproduction frauduleuse de cette clé
EP2388415A2 (fr) 2010-05-20 2011-11-23 BKS GmbH Clé de cylindre de profilé

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT202000003844A1 (it) * 2020-02-25 2021-08-25 Securemme S R L Sistema di sicurezza, serratura e relativa chiave di azionamento
EP3872283A1 (fr) * 2020-02-25 2021-09-01 Securemme S.r.L. Système de verrouillage, serrure et clé associée
PL442841A1 (pl) * 2022-11-15 2024-05-20 Artur Litwiński System zamykania wkładki bębenkowej, klucz i klucz surowy

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