EP0890694B1 - Serrure cylindrique et clef plate tournante associée - Google Patents

Serrure cylindrique et clef plate tournante associée Download PDF

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Publication number
EP0890694B1
EP0890694B1 EP98305305A EP98305305A EP0890694B1 EP 0890694 B1 EP0890694 B1 EP 0890694B1 EP 98305305 A EP98305305 A EP 98305305A EP 98305305 A EP98305305 A EP 98305305A EP 0890694 B1 EP0890694 B1 EP 0890694B1
Authority
EP
European Patent Office
Prior art keywords
key
flank
pivoted lever
cam
cylinder lock
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.)
Expired - Lifetime
Application number
EP98305305A
Other languages
German (de)
English (en)
Other versions
EP0890694A1 (fr
Inventor
Giselher Sieg
Herbert Hauser
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Dom Sicherheitstechnik GmbH and Co KG
Original Assignee
Dom Sicherheitstechnik GmbH and Co KG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Dom Sicherheitstechnik GmbH and Co KG filed Critical Dom Sicherheitstechnik GmbH and Co KG
Publication of EP0890694A1 publication Critical patent/EP0890694A1/fr
Application granted granted Critical
Publication of EP0890694B1 publication Critical patent/EP0890694B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B35/00—Locks for use with special keys or a plurality of keys ; keys therefor
    • E05B35/003—Locks for use with special keys or a plurality of keys ; keys therefor for keys with movable bits
    • E05B35/004—Locks for use with special keys or a plurality of keys ; keys therefor for keys with movable bits pivoting about an axis perpendicular to the main key axis

Definitions

  • the invention relates to an improved cylinder lock and to an associated flat key.
  • Such a locking device comprising a cylinder lock and a key
  • US Patent No 1 735 868 Such a locking device, comprising a cylinder lock and a key, is known from US Patent No 1 735 868.
  • the flat key which is disclosed there and does not take the form of a turning key, has in its bit plane a recess in the form of an opening. Seated in said recess is a two-armed pivoted lever, of which the arm directed towards the tip of the key forms a lifting arm with a lifting flank which, when the key is fully inserted into the key channel of the cylinder lock, displaces a supplementary tumbler pin out of a locking position into the release position. Said displacement is effected as a result of a swivelling motion of the lever.
  • the lever has, for said purpose, a control flank, which is associated with the lifting arm and is disposed at the opposite side of the key to the lifting flank.
  • a control flank which is associated with the lifting arm and is disposed at the opposite side of the key to the lifting flank.
  • the pivoted lever acts upon a peripheral cam, which is provided in the key channel of the cylinder lock and hence brings about the swivelling motion.
  • the pivoted lever has its greatest broadside extension in the region of its bearing axis.
  • the lifting flank is aligned with the edges of the opening, in which the pivoted lever is supported.
  • the second arm of the pivoted lever is likewise aligned with the edges of the opening and so defines a starting position for the pivoted lever before it acts upon the cam.
  • EP-A1 0 416 500 discloses a cylinder lock with an associated flat key, which likewise has a pivoted lever pivotally supported in a key bit recess. Said pivoted lever is, however, of a one-armed design.
  • a key having a movable locking element is moreover disclosed by EP 0 029 498.
  • US 1,567,979 discloses a cylinder lock system having a flat key which comprises all the features in the pre-characterising part of claim 1.
  • the flat key comprises a lever pivotally mounted within the key bit and which is capable of pivoting about an axis extending at right angles to the insertion direction of the bit into the cylinder.
  • one arm of the lever first engages with the shoulder portions mounted within the cylinder, rotating the lever through 90°, the two ends of the lever engaging two pins.
  • the arrangement in US 1,567,979 results in two pins which are mounted within the cylinder with their longitudinal axes perpendicular to each other. The longitudinal axis of one of the pins is parallel to that of the cylinder.
  • a system comprising a cylinder lock with flat key for insertion into the key channel of the cylinder lock, into which key channel tumbler pins and at least one supplementary tumbler pin project and the supplementary tumbler pin when the key is fully inserted is displaceable into a release position by a lifting flank of a two-armed pivoted lever, which is disposed in an opening of and supported by the key bit and is capable of swivelling about an axis extending at right angles to the insertion direction, the swivelling of the pivoted lever being effected by the action of a control flank of the pivoted lever upon a cam of the cylinder lock, wherein the lifting flank and the control flank are associated with different arms of said lever characterised in that the supplementary tumbler pin and the cam are associated with the same key channel wall and that the pivoted lever is dumbbell-shaped.
  • a flat turning key for a cylinder lock having a bow adjoined by a key bit, in which a two-armed pivoted lever is supported by and is capable of swivelling in an opening of the key bit about an axis extending at right angles to the insertion direction, wherein the first arm forms a lifting flank for displacing a supplementary tumbler pin into a release position when the key is fully inserted in a cylinder lock, and the second arm forms a control flank for effecting the swivelling of the pivoted lever by encountering a cam of the cylinder lock, characterised in that the pivoted lever is dumbbell-shaped and that the control flank and the lifting flank are disposed on the same broadside plane of the key and the lifting flank projects out beyond the opening edges at the broadside of the key when the control flank is moved in a position of alignment with the said opening edges or is moved into a position projecting beyond said opening edges.
  • a locking device is provided which is incompatible with the known cylinder locks and flat keys, with the result that the total number of possible lock combinations is increased.
  • the invention further provides a locking system of increased operational reliability since, according to the invention, the control flank and the lifting flank are spatially associated with two different lever arms. Peripheral cam and cylinder pin project from the same key channel wall.
  • the control flank and the lifting flank are disposed on the same broadside plane of the key in such a way that an adequate forward motion of the lifting flank is provided when the control flank is aligned with the edges of the broadside opening of the key bit.
  • the cam is preferably formed by a projection protruding into the key channel.
  • Said projection may be connected uniformly in terms of material to the one half of the cylinder core.
  • the reaming of the cylinder core which forms the key channel may then be effected from both sides of the locking cylinder.
  • the cam engages preferably into a profiled groove of the key.
  • the first arm projecting towards the tip of the key may travel over the cam so that, in the fully inserted position of the key, the second arm projecting towards the bow comes to lie upon the cam.
  • the cam may alternatively be formed by the front end of a further pin, e.g. a rigid pin or a tumbler pin.
  • the pivoted lever is dumbbell-shaped.
  • the cross-sectional profiles of the ends of the arms are greater or thicker than the cross-sectional profile in the region of the bearing point of the pivoted lever.
  • the pivoted lever is formed by two balls seated on the ends of a steel needle. The balls have radial bores, into which the ends of the steel needle are inserted.
  • the steel needle may be pivotally supported in a central web of the opening. Said pivot bearing may be formed by a groove indented into the edge.
  • the pivot bearing is preferably formed asymmetrically so that the length of the lifting arm is greater than the length of the control arm.
  • the pivoted lever is capable of swivelling about a transversely positioned spindle in the form of a needle.
  • the pivoted lever may alternatively have an axial bore, which tapers from both ends towards the middle and situated in which is a needle, which extends in the longitudinal direction of the key and is fastened at both ends to the key bit.
  • the end face of the supplementary tumbler pin preferably projects only as far as into the surface, which is associated with the bottom surface of the profiled groove and lies parallel to the key channel wall. The release position is preferably achieved when the end face of the supplementary tumbler pin is aligned with the key insertion channel wall.
  • the embodiment illustrated in Figures 1 to 10 comprises a cylinder lock and a key 1.
  • the key 1 has a bow 2 adjoined by a bit 3.
  • the bit 3 has an opening 24, in the present embodiment approximately in the front region. Inserted in said opening 24 is a pivoted lever 4.
  • the opening has a central web 25 for supporting the pivoted lever 4.
  • the pivoted lever 4 is dumbbell-shaped.
  • the two ends are formed by balls 17 having radial openings, into which the ends of a steel needle 10 are inserted.
  • the diameters of the balls 17 are greater than the material thickness in the region of the opening 24 of the bit so that in every swivel position at least one ball projects beyond a respective one of the broadside surfaces of said region of the bit 3.
  • the ball 17, which is directed towards the tip of the key, with the associated portion of the needle forms a lifting arm.
  • the opposite arm forms a control arm.
  • the control arm 7 forms a control flank 7' and the lifting arm 8 forms a lifting flank 8'.
  • the steel needle 10 connecting the two balls 17 is supported in a groove provided in the central web of the opening 24.
  • a bearing bush 25 which widens towards the two openings is located in the groove, so that the crown of the groove forms a bearing point 16.
  • the groove is closed in the form of indentations 15.
  • the bearing point 16 is disposed asymmetrically so that the lifting arm 8 is longer than the control arm 7.
  • a key channel 14 into which the key bit 3 is insertable.
  • a projection 13 which is connected uniformly in terms of material to the associated half of the locking cylinder projects from one of the channel walls 14'.
  • the projection 13 engages in this embodiment into a profiled groove 6 of the key.
  • the profiled groove 6 of the key lies adjacent to profiled recesses 5 and in the longitudinal centre plane of the bit 3.
  • the supplementary tumbler pin 9 projects only in sections into the key channel 14. Its end face lies approximately in the region of the bottom of the profiled groove 6 of the key, from which the lifting flank 8' projects.
  • a steel needle 21 is fastened in the key bit in the longitudinal direction of the key, penetrating the opening 24 in the longitudinal direction approximately in its centre.
  • the steel needle 21 penetrates two axial openings 22, 23, which taper towards the middle, of a dumbbell-shaped pivoted lever, the shape of which is similar to that of the first embodiment.
  • a dumbbell-shaped pivoted lever 4 is capable of swivelling about a steel needle 20, which is supported at right angles to the key insertion direction in the key bit.
  • the geometric dimensions of the pivoted lever cross section are selected so that the lifting flank 8' is in a forward position when the control flank 7' is aligned with the edges 24' of the opening 24.

Landscapes

  • Lock And Its Accessories (AREA)
  • Switches With Compound Operations (AREA)
  • Toilet Supplies (AREA)
  • Quick-Acting Or Multi-Walled Pipe Joints (AREA)

Claims (16)

  1. Système comportant une serrure à cylindre et une clé plate (1) destinée à être insérée dans le canal pour clé (14) de la serrure à cylindre, canal pour clé (14) dans lequel des axes de gâchette et au moins un axe de gâchette supplémentaire (9) font saillie et l'axe de gâchette supplémentaire (9), lorsque la clé (1) est entièrement insérée, peut être déplacé jusqu'à une position de libération par un flanc de levage (8') d'un levier pivotant à deux bras, qui est disposé dans une ouverture (24) du panneton de clé et supporté par celui-ci et peut pivoter autour d'un axe s'étendant à angle droit par rapport à la direction d'insertion, le pivotement du levier pivotant (4) étant effectué par l'action d'un flanc de commande (7') du levier pivotant (4) sur une came (13, 18') de la serrure à cylindre, le flanc de levage (8') et le flanc de commande (7') étant associés avec des bras différents (7, 8) dudit levier, caractérisé en ce que l'axe de gâchette supplémentaire (9) et la came (13, 18') sont associés à la même paroi de canal pour clé (14') et en ce que le levier pivotant (4) a une forme d'haltère.
  2. Système selon la revendication 1, caractérisé en ce que la came est formée par une saillie (13) faisant saillie dans le canal pour clé (14).
  3. Système selon la revendication 1 ou 2, caractérisé en ce que la came vient en prise dans une gorge profilée (6) de la clé.
  4. Système selon l'une quelconque des revendications 1 à 3, caractérisé en ce que le premier bras (8) faisant saillie en direction du bout de la clé comporte le flanc de levage (8') et lors de l'insertion se déplace au-dessus de la came (13, 18').
  5. Système selon l'une quelconque des revendications 1 à 4, caractérisé en ce que la came est formée par l'extrémité avant (18') d'un axe de gâchette (18).
  6. Clé tournante plate pour serrure à cylindre, ayant un anneau (2) contigu à un panneton de clé (3), dans lequel un levier pivotant à deux bras (4) est supporté et peut pivoter dans une ouverture (24) du panneton de clé (3) autour d'un axe s'étendant à angle droit par rapport à la direction d'insertion, le premier bras (8) formant un flanc de levage (8') pour déplacer un axe de gâchette supplémentaire (9) dans une position de libération lorsque la clé (1) est entièrement insérée dans une serrure à cylindre, et le second bras (7) formant un flanc de commande (7') pour effectuer le pivotement du levier pivotant (4) en rencontrant une came (13, 18') de la serrure à cylindre, caractérisé en ce que le levier pivotant (4) a une forme d'haltère et en ce que le flanc de commande (7') et le flanc de levage (8') sont disposés sur le même plan de côté plat de la clé (1) et le flanc de levage (8') fait saillie au-delà des bords d'ouverture (24') existant au niveau du côté plat de la clé (1) lorsque le flanc de commande (7') est déplacé dans une position d'alignement avec lesdits bords d'ouverture (24') ou est déplacé dans une position faisant saillie au-delà desdits bords d'ouverture (24').
  7. Système ou clé tournante plate selon l'une quelconque des revendications 1 à 6, caractérisé en ce que le premier bras (8) ayant le flanc de levage (8') est plus long que le bras de commande (7) ayant le flanc de commande (7').
  8. Système ou clé tournante plate selon l'une quelconque des revendications 1 à 7, caractérisé en ce que le premier bras (8) fait saillie en direction du bout de la clé (1).
  9. Système ou clé tournante plate selon la revendication 8, caractérisé en ce que les deux extrémités du levier pivotant en forme d'haltère (4) sont formées par des billes dont les diamètres sont plus grands que l'épaisseur de matériau dans la zone de l'ouverture (24) du panneton (3).
  10. Système ou clé tournante plate selon l'une quelconque des revendications 1 à 9, caractérisé en ce que le levier pivotant (4) est formé par deux billes (17) en appui sur les extrémités d'une aiguille en acier (10).
  11. Système ou clé tournante plate selon la revendication 10, caractérisé en ce que l'aiguille en acier (10) est supportée de manière pivotante dans une gorge agencée dans une âme centrale de l'ouverture (24).
  12. Système ou clé tournante plate selon la revendication 11, caractérisé en ce qu'une bague formant palier (25) est en appui dans la gorge, laquelle bague formant palier (25) s'élargit en direction des deux ouvertures de sorte que la couronne de la gorge forme un point d'appui (16).
  13. Système ou clé tournante plate selon la revendication 11, caractérisé en ce que la gorge est fermée sous la forme de dentelures (15).
  14. Système ou clé tournante plate selon la revendication 13, caractérisé en ce que le point d'appui (16) est disposé de manière asymétrique de sorte que le bras de levage (8) est plus long que le bras de commande (7).
  15. Système ou clé tournante plate selon l'une quelconque des revendications 1 à 10, caractérisé en ce que le levier pivotant (4) est supporté autour d'un axe de palier (20) situé dans l'axe de pivotement.
  16. Système ou clé tournante plate selon l'une quelconque des revendications 1 à 9, caractérisé en ce que le levier pivotant (4) a une cavité axiale (22, 23), qui se rétrécit à partir des deux extrémités en direction du milieu et dans laquelle est située une aiguille (21), qui s'étend dans la direction longitudinale de la clé et est fixée au panneton de clé.
EP98305305A 1997-07-09 1998-07-03 Serrure cylindrique et clef plate tournante associée Expired - Lifetime EP0890694B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19729234 1997-07-09
DE19729234A DE19729234B4 (de) 1997-07-09 1997-07-09 Zylinderschloß und zugehöriger Wende-Flachschlüssel

Publications (2)

Publication Number Publication Date
EP0890694A1 EP0890694A1 (fr) 1999-01-13
EP0890694B1 true EP0890694B1 (fr) 2003-04-09

Family

ID=7835068

Family Applications (1)

Application Number Title Priority Date Filing Date
EP98305305A Expired - Lifetime EP0890694B1 (fr) 1997-07-09 1998-07-03 Serrure cylindrique et clef plate tournante associée

Country Status (4)

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EP (1) EP0890694B1 (fr)
AT (1) ATE237058T1 (fr)
DE (2) DE19729234B4 (fr)
ES (1) ES2196492T3 (fr)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10050460A1 (de) * 2000-10-12 2002-04-25 Winkhaus Fa August Schlüssel für einen Profilschließzylinder und Profilschließzylinder
FR2871497B1 (fr) * 2004-06-10 2007-11-30 Deny Fontaine Soc Par Actions Cle de securite pour cylindre de serrure
ES2300165B1 (es) * 2005-09-06 2009-05-12 Talleres De Escoriaza, S.A. Sistema de llave y cerradura de seguridad frente a su reproduccion fraudulenta.
DE102010029166A1 (de) * 2010-05-20 2011-11-24 Bks Gmbh Profilzylinderschlüssel
ITBO20120662A1 (it) 2012-12-10 2014-06-11 Filippo Bastianini Serratura con ingegno a dischi riprogrammabile meccanicamente e chiave per la stessa
ITBO20130122A1 (it) 2013-03-22 2014-09-23 Filippo Bastianini Serratura di sicurezza e chiave per la stessa
WO2015063755A1 (fr) * 2013-10-31 2015-05-07 SITON, Ezra Clé possédant un élément mobile de codage
EP3103944B1 (fr) * 2015-06-12 2018-07-11 SEA Schliess-Systeme AG Clé avec un élément pivotant et un verrou
US20170081880A1 (en) * 2015-09-21 2017-03-23 Raphael Moshe Inbar Blank key, a lock set with a security mechanism and method for producing same
IT201700028885A1 (it) * 2017-03-15 2018-09-15 Iseo Serrature Spa Chiave per serratura
EP4411093A1 (fr) * 2023-02-02 2024-08-07 Zhongshan City EOS Secure Products Co., Ltd Cylindre de serrure à billes et serrure associée

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1567979A (en) * 1924-01-26 1925-12-29 Clara L Northrop Lock
US1735868A (en) * 1926-04-14 1929-11-19 Robert H Klingel Key-operated lock
DE2947402A1 (de) 1979-11-24 1981-05-27 DOM-Sicherheitstechnik GmbH & Co KG, 5040 Brühl Flachschluessel fuer zylinderschloss
FR2522053B1 (fr) * 1982-02-19 1986-02-28 Vachette Sa Cle a levier basculant et barillet de surete utilisant ladite cle
FR2647841B1 (fr) * 1989-06-01 1991-09-20 Laperche Sa Bloc de surete pour serrure notamment a barillet ou a pompe
IT1235586B (it) * 1989-09-06 1992-09-11 Italiana Serrature Affini Serratura a cilindro e relativa chiave

Also Published As

Publication number Publication date
DE19729234A1 (de) 1999-01-14
ATE237058T1 (de) 2003-04-15
EP0890694A1 (fr) 1999-01-13
DE19729234B4 (de) 2005-06-09
DE69813096D1 (de) 2003-05-15
ES2196492T3 (es) 2003-12-16
DE69813096T2 (de) 2003-12-18

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