EP2454429B1 - Dispositif de fermeture - Google Patents

Dispositif de fermeture Download PDF

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Publication number
EP2454429B1
EP2454429B1 EP10734061.4A EP10734061A EP2454429B1 EP 2454429 B1 EP2454429 B1 EP 2454429B1 EP 10734061 A EP10734061 A EP 10734061A EP 2454429 B1 EP2454429 B1 EP 2454429B1
Authority
EP
European Patent Office
Prior art keywords
key
closing
control
closing device
control path
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
EP10734061.4A
Other languages
German (de)
English (en)
Other versions
EP2454429A1 (fr
Inventor
Dirk Jacob
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.)
Huf Huelsbeck and Fuerst GmbH and Co KG
Original Assignee
Huf Huelsbeck and Fuerst GmbH and Co KG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Huf Huelsbeck and Fuerst GmbH and Co KG filed Critical Huf Huelsbeck and Fuerst GmbH and Co KG
Publication of EP2454429A1 publication Critical patent/EP2454429A1/fr
Application granted granted Critical
Publication of EP2454429B1 publication Critical patent/EP2454429B1/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
    • E05B29/00—Cylinder locks and other locks with plate tumblers which are set by pushing the key in
    • 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
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T70/00—Locks
    • Y10T70/70—Operating mechanism
    • Y10T70/7441—Key
    • Y10T70/7486—Single key
    • Y10T70/7508—Tumbler type
    • Y10T70/7554—Cylinder type with auxiliary tumblers or wards
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T70/00—Locks
    • Y10T70/70—Operating mechanism
    • Y10T70/7441—Key
    • Y10T70/7486—Single key
    • Y10T70/7508—Tumbler type
    • Y10T70/7559—Cylinder type
    • Y10T70/7565—Plural tumbler sets
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T70/00—Locks
    • Y10T70/70—Operating mechanism
    • Y10T70/7441—Key
    • Y10T70/7486—Single key
    • Y10T70/7508—Tumbler type
    • Y10T70/7559—Cylinder type
    • Y10T70/7588—Rotary plug
    • Y10T70/7593—Sliding tumblers
    • Y10T70/7599—Transverse of plug
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T70/00—Locks
    • Y10T70/70—Operating mechanism
    • Y10T70/7441—Key
    • Y10T70/778—Operating elements
    • Y10T70/7791—Keys
    • Y10T70/7842—Single shank or stem
    • Y10T70/7859—Flat rigid
    • Y10T70/7864—Cylinder lock type
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T70/00—Locks
    • Y10T70/70—Operating mechanism
    • Y10T70/7441—Key
    • Y10T70/778—Operating elements
    • Y10T70/7791—Keys
    • Y10T70/7881—Bitting

Definitions

  • the invention relates to a locking device, in particular of a motor vehicle, with a key and a lock cylinder, with a cylinder housing rotatably mounted in a cylinder core, which has a keyway into which the key is inserted, spring-loaded tumblers, the radial when inserting the key into the keyway are slidably mounted to the cylinder axis of the lock cylinder, a plurality provided on the key outer surfaces having control tracks which act upon insertion of the key on the tumblers, wherein the outer surfaces have two narrow sides and two broad sides, each broad side is carried out with a first control track, the first Narrow side has a second control track, wherein the first control track first guide surfaces and the second control track second guide surfaces, wherein the first guide surface on at least a first tumbler element and the second politicianssf act on at least one second locking element, wherein a displacement of the first locking element is in a first radial direction to the cylinder axis and a displacement of the second locking element in a second
  • the second narrow side opposite the first narrow side is constructed without a tax train.
  • the locking element is designed with at least one projection which projects into the keyway with not inserted key, wherein the projection is movable by the first or the second control path during insertion of the key from the keyway, wherein in particular the locking element on its side facing the second narrow side is designed without projections, in particular the flat, planar configuration of the second narrow side is geometrically adjusted.
  • the control tracks serve as a code track, wherein the code track is designed with such a profiling that correspond with the locking elements of the lock cylinder accordingly, that means that only the key effected with the corresponding "correct” code track or code tracks a corresponding displacement of the tumblers from the keyway to cause the plugged key movement of the cylinder core within the cylinder housing.
  • the second narrow side forms in its entire extension of the key a flat surface. Due to the flat second narrow side, which rests against one of the four walls of the keyway, a tilting of the key is reduced in a simple manner, whereby a much lesser wear of the lock cylinder and the locking elements in a repeated insertion and actuation of the lock cylinder is done with the key.
  • the first and / or the second control track is formed as a control groove, wherein in particular the control groove has a substantially constant track width.
  • the first control track is a control groove and the second control track is a control rib.
  • the control groove is in this case concave, wherein the control rib is convex on the outer surface of the key and its outer surface surmounted by the key.
  • the key can only be inserted in one position in the cylinder core, so that this is not a reversible key.
  • the key is a solid component in which the control tracks are milled.
  • the key height can be further reduced. Due to the resulting possible reduction of the key channel of the lock cylinder is also safe from breakage, as with each reduction also a potential breaking tool must be smaller in order to be introduced into the bowl channel and also the maximum exercisable force is reduced.
  • FIGS. 1 to 4 show purely schematically a locking device of a motor vehicle with a key 10 and a lock cylinder 30 which is arranged in a vehicle door.
  • the lock cylinder 30 has a cylinder housing 31, within which a cylinder core 32 is rotatably mounted.
  • the cylinder core 32 has numerous spring-loaded locking elements 41, 42.
  • the cylinder core 32 is designed with a key channel 33 into which the key 10 can be inserted.
  • the tumblers 41, 42 protrude with their projections 41 a, 42 a in the keyway 33 and lock at the same time a rotation of the cylinder core 32 within the cylinder housing 31, which is not explicitly shown in the drawing.
  • the tumblers 41, 42 are platelet tumblers. These locking elements 41, 42 are adjusted when inserting a proper "right" key 10 such that the tumblers 41, 42 no longer protrude beyond the lateral surface of the cylinder core 32, and the cylinder core 32 is thus rotatable in the cylinder housing 31.
  • the user can then unlock an actuator of the motor vehicle by means of the locking device and / or lock, depending on the direction of rotation of the key 10. Also by the rotational movement of the key 10, a switch can be actuated, the ignition, voltage for electronic Components of the motor vehicle etc. activated and / or deactivated.
  • the key 10 has outer surfaces 13, 14, 15, which are executed with control tracks 11, 12, which during insertion of the key 10th in the keyway 33 on the tumblers 41, 42 and the projections 41 a, 42 a of the tumblers 41, 42 act.
  • the outer surfaces 13, 14, 15 of the key 10 are designed with two narrow sides 14, 15 and two broad sides 13.
  • Each broad side 13 has a first control track 11, which is designed as a control groove 11. This means that in each case one broad side 13 is provided with a respective control groove 11.
  • the first narrow side 14 is designed with a second control track 12, which is a protruding control rib 12.
  • the control grooves 11 and the control rib 12 are further equipped with first guide surfaces 16 and second guide surfaces 17 which determine an individual topography of the control tracks 11, 12 and thus each form a code track.
  • the second narrow side 15 of the key 10 is designed as a flat surface, which means that in contrast to the first narrow side 14 and two broad sides 13, the first narrow side 15 is executed free of tax.
  • the key 10 is formed from a four-edged flat profile, wherein the second narrow side 15 is aligned at right angles to the broad sides 13.
  • the first control path 11 extends along the longitudinal extent of the key 10, wherein the first control path 11 can extend in some areas of the broad side 13 to the common edge 18 of the broad side 13 and the second narrow side 15.
  • the entire height of the broad side 13 can be utilized for the first control track 11, whereby the compactness of the key 10 is increased.
  • the control groove 11 is further funnel-like widened at the free end 21 of the key 10 to the actual web width 19 of the control groove 11 designed to thread the key 10 more easily in the keyway 33 of the lock cylinder 30.
  • the cam 11 In the rest of the course outside the free end 21 of the key 10, the cam 11 has on both sides of the broad side 13 a constant web width 19.
  • the web width 19 and the rib width 20 in different key sections vary, which is not explicitly shown.
  • the tumblers 41, 42 which are slidably mounted within the cylinder core 32, with at least one projection 41 a, 42 a executed. If the key 10 is not inserted in the key channel 33 as it is in Fig. 3 is shown, protrude the projections 41a, 42a in the keyway 33.
  • the lock cylinder 30 is in the illustrated embodiment by two types of locking elements 41, 42 equipped. As in Fig. 3 is indicated, a first locking element 41 of the first type can be moved in a first radial direction 43 to the cylinder axis 34, wherein the first radial direction 43 of the projections 41 a which are located in the left area of the keyway 33, directed downward.
  • the first radial direction 43 of the projections 41 a which are located in the right area of the keyway 33, this is oppositely oriented.
  • the second locking element 42 of the second type is displaceable in a second radial direction 44, which is aligned perpendicular to the first radial direction 43.
  • the first control track 11 has first guide surfaces 16 and the second control track 12 second guide surfaces 17.
  • the first guide surfaces 16 act on at least one first locking element 41 and the projection 41 a.
  • the second guide surfaces 17 act analogously to at least one second locking element 42 and the projection 42 a. This means that during the insertion of the key 10 on the profiled guide surfaces 16, 17, the tumblers 41, 42 in the first and second radial directions 43, 44 are moved accordingly and thus sorted within the cylinder core 32 so that the inserted key 10th a rotational movement of the key 10 and the cylinder core 32 within the cylinder housing 31 is possible.
  • the tumblers 41, 42 are designed without protrusions on the side facing the second narrow side 15, which means that the tumblers 41, 42 are geometrically adjusted in this area of the planar, planar configuration of the second narrow side 15.
  • the second narrow side 15 is located directly on the adjacent, facing wall 33a of the bowl channel 33 at.
  • first tumblers 41 and the second tumblers 42 are arranged in an alternating sequence.
  • a plurality of first tumblers 41 and second tumblers 42 are provided within the lock cylinder 30.
  • control tracks 11, 12 described in the exemplary embodiment may of course be provided along the entire extent of the key 10.
  • the extension lengths of the first and the second control track 11, 12 may also be different in size.
  • the key 10 according to the invention can only be used in a possible position within the key channel 33, which means that the key 10 can not be used as a reversible key.

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Lock And Its Accessories (AREA)
  • Braking Arrangements (AREA)

Claims (13)

  1. Dispositif de fermeture équipant notamment un véhicule automobile, comprenant une clé (10) et un cylindre de fermeture (30)
    muni d'un noyau cylindrique (32) monté à rotation dans un boîtier cylindrique (31), et présentant un canal de passage (33) dans lequel ladite clé (10) peut être insérée ;
    des éléments d'arrêt (41, 42) contraints élastiquement, qui sont montés à déplacement radial par rapport à l'axe (34) dudit cylindre de fermeture (30) lors de l'emboîtement de la clé (10) dans ledit canal (33) de passage de ladite clé ;
    plusieurs surfaces extérieures (13, 14, 15), prévues sur la clé (10) et dotées de pistes de commande (11, 12) qui agissent sur lesdits éléments d'arrêt (41, 42) lors de l'introduction de ladite clé (10),
    lesdites surfaces extérieures (13, 14, 15) comptant deux côtés étroits (14, 15) et deux côtés larges (13), chaque côté large (13) étant pourvu d'une première piste de commande (11), le premier côté étroit (14) présentant une seconde piste de commande (12),
    ladite première piste de commande (11) comportant des premières surfaces de guidage (16) et ladite seconde piste de commande (12) comportant des secondes surfaces de guidage (17), la première surface de guidage (16) agissant sur au moins un premier élément d'arrêt (41) et la seconde surface de guidage (17) agissant sur au moins un second élément d'arrêt (42), sachant qu'un déplacement dudit premier élément d'arrêt (41) s'opère dans une première direction radiale (43), par rapport à l'axe (34) du cylindre, et que ledit second élément d'arrêt (42) effectue, par rapport audit axe (34) du cylindre, un déplacement dans une seconde direction radiale (44) perpendiculaire à ladite première direction radiale (43),
    caractérisé par le fait
    que le second côté étroit (15), tourné à l'opposé du premier côté étroit (14), offre une réalisation exempte de piste de commande.
  2. Dispositif de fermeture selon la revendication 1,
    caractérisé par le fait
    que l'élément d'arrêt (41, 42) est muni d'au moins une protubérance (41a, 42a) qui dépasse dans le canal (33) de passage de la clé, à l'état non introduit de ladite clé (10), ladite protubérance (41a, 42a) pouvant être mue hors dudit canal de passage (33) sous l'action de la première ou de la seconde piste de commande (11, 12), lors de l'introduction de ladite clé (10), sachant notamment que ledit élément d'arrêt (41, 42) offre une réalisation exempte de protubérance sur son côté pointant vers le second côté étroit (15) et est, en particulier, géométriquement adapté à la configuration plane et aplatie dudit second côté étroit (15).
  3. Dispositif de fermeture selon la revendication 1 ou 2,
    caractérisé par le fait
    que la clé (10) est un profilé plat quadrangulaire comprenant, d'une part, des côtés étroits (14, 15) et, d'autre part, des côtés larges (13) qui sont respectivement agencés par paires opposées.
  4. Dispositif de fermeture selon l'une des revendications précitées,
    caractérisé par le fait
    que le second côté étroit (15) forme une surface plane sur l'intégralité de son étendue parcourant la clé (10).
  5. Dispositif de fermeture selon la revendication 1,
    caractérisé par le fait
    que les premiers éléments d'arrêt (41) et les seconds éléments d'arrêt (42) sont disposés en ordre alterné dans le noyau cylindrique (32).
  6. Dispositif de fermeture selon l'une des revendications précitées,
    caractérisé par le fait
    que le second côté étroit (15) est orienté à angle droit par rapport aux côtés larges (13).
  7. Dispositif de fermeture selon l'une des revendications précitées,
    caractérisé par le fait
    que la première piste de commande (11) s'étend jusqu'à l'arête (18) commune au côté large (13) et au second côté étroit (15).
  8. Dispositif de fermeture selon l'une des revendications précitées,
    caractérisé par le fait
    que la première (11) et/ou la seconde (12) piste(s) de commande est (sont) réalisée(s) sous la forme d'une rainure de commande, sachant notamment que ladite rainure de commande présente une largeur de tracé (19) substantiellement constante.
  9. Dispositif de fermeture selon l'une des revendications précitées,
    caractérisé par le fait
    que la première (11) et/ou la seconde (12) piste(s) de commande est (sont) réalisée(s) sous la forme d'une nervure de commande, sachant notamment que ladite nervure de commande présente une épaisseur de paroi (20) constante.
  10. Dispositif de fermeture selon les revendications 8 et 9,
    caractérisé par le fait
    que la première piste de commande (11) est une rainure de commande, et la seconde piste de commande (12) est une nervure de commande.
  11. Dispositif de fermeture selon l'une des revendications précitées, caractérisé par le fait
    que la clé (10) est une pièce structurelle massive, dans l'épaisseur de laquelle les pistes de commande (11, 12) sont fraisées.
  12. Dispositif de fermeture selon la revendication 8,
    caractérisé par le fait
    que la rainure de commande (11) est réalisée, à l'extrémité libre (21) de la clé (10), avec évasement de type infundibuliforme par rapport à la largeur de tracé (19) proprement dite.
  13. Dispositif de fermeture selon l'une des revendications précitées,
    caractérisé par le fait
    que la clé (10) ne peut être emboîtée dans le noyau cylindrique (32) qu'en un unique emplacement.
EP10734061.4A 2009-07-15 2010-06-30 Dispositif de fermeture Active EP2454429B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102009033487A DE102009033487A1 (de) 2009-07-15 2009-07-15 Schließvorrichtung
PCT/EP2010/059249 WO2011006756A1 (fr) 2009-07-15 2010-06-30 Dispositif de fermeture

Publications (2)

Publication Number Publication Date
EP2454429A1 EP2454429A1 (fr) 2012-05-23
EP2454429B1 true EP2454429B1 (fr) 2017-03-22

Family

ID=42985229

Family Applications (1)

Application Number Title Priority Date Filing Date
EP10734061.4A Active EP2454429B1 (fr) 2009-07-15 2010-06-30 Dispositif de fermeture

Country Status (5)

Country Link
US (1) US8726706B2 (fr)
EP (1) EP2454429B1 (fr)
CN (1) CN102472053B (fr)
DE (1) DE102009033487A1 (fr)
WO (1) WO2011006756A1 (fr)

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US20120297843A1 (en) 2012-11-29
US8726706B2 (en) 2014-05-20
DE102009033487A1 (de) 2011-01-20
CN102472053A (zh) 2012-05-23
WO2011006756A1 (fr) 2011-01-20
CN102472053B (zh) 2015-04-01
EP2454429A1 (fr) 2012-05-23

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