EP0449177B1 - Barillet - Google Patents

Barillet Download PDF

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Publication number
EP0449177B1
EP0449177B1 EP91104673A EP91104673A EP0449177B1 EP 0449177 B1 EP0449177 B1 EP 0449177B1 EP 91104673 A EP91104673 A EP 91104673A EP 91104673 A EP91104673 A EP 91104673A EP 0449177 B1 EP0449177 B1 EP 0449177B1
Authority
EP
European Patent Office
Prior art keywords
pins
lock cylinder
locking
securing
pin
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
EP91104673A
Other languages
German (de)
English (en)
Other versions
EP0449177A3 (en
EP0449177A2 (fr
Inventor
Joachim Beer
Norbert Kordt
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.)
Aug Winkhaus GmbH and Co KG
Original Assignee
Aug Winkhaus 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 Aug Winkhaus GmbH and Co KG filed Critical Aug Winkhaus GmbH and Co KG
Publication of EP0449177A2 publication Critical patent/EP0449177A2/fr
Publication of EP0449177A3 publication Critical patent/EP0449177A3/de
Application granted granted Critical
Publication of EP0449177B1 publication Critical patent/EP0449177B1/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
    • E05B27/00—Cylinder locks or other locks with tumbler pins or balls that are set by pushing the key in
    • E05B27/0042—Cylinder locks or other locks with tumbler pins or balls that are set by pushing the key in with additional key identifying function, e.g. with use of additional key operated rotor-blocking elements, not of split pin tumbler type
    • 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

Definitions

  • the invention relates to a locking cylinder with a locking cylinder housing and a cylinder core rotatably held in a receiving bore of the locking cylinder housing, which contains an axially extending key channel for receiving a flat key, with a large number of pairs arranged in a row one after the other in bores of the locking cylinder housing and the locking cylinder core of spring-loaded tumbler pins, which scan the flat key, and with at least one securing element which is guided in a radially movable manner in a recess in the cylinder core and which is assigned a circumferentially extending, in particular crescent-shaped groove in the inner wall of the receiving bore, into which the securing element at least in which the flat key is removed permitting rotational position of the cylinder core engages radially spring-loaded.
  • locking cylinders of the above type which, in a circular segment-shaped, axially normal groove of the cylinder core, lead a likewise circular segment-shaped securing plate in a radially movable manner.
  • the securing plate is resiliently biased radially outward into a groove in the inner wall of the receiving bore of the lock cylinder housing which rotatably receives the cylinder core.
  • the crescent-shaped groove takes up the securing plate at least in the rotational position of the cylinder core that allows the insertion or removal of the flat key and in this way secures the cylinder core against violent pulling out of the lock cylinder housing.
  • the circular segment-shaped securing plate of the known locking cylinder if it is to be adequately anchored in the cylinder core, must extend comparatively deep into the cylinder core. This weakens the cylinder core in a plane normal to the axis between adjacent pairs of tumbler pins. If the groove receiving the securing plate extends along the flat side of the key channel receiving the flat key, as in the case of the locking cylinder of the utility model 88 13 882, the securing plate adjusts the installation space for additional springless locking pins, as described, for example, in German patents 20 03 059 and 31 23 511 are provided in the cylinder core to increase the locking security and the number of possible locking combinations.
  • German patent 25 14 920 it is also known, in a lock cylinder lockable by a cross bit key, radially extending to the key channel of the cylinder core carbide pins for drilling security to provide.
  • the hard metal pins are seated in the holes in the cylinder core and are driven radially outwards into assigned holes in the inner wall of the lock cylinder housing during the drilling attempt.
  • the hard metal pins of the known locking cylinder offer only limited protection against violent pulling out of the cylinder core, since it is not ensured that they will actually be gripped and driven out during the pulling attempt, for example by means of a screw screwed into the key channel.
  • the securing element is designed as a spring-loaded pin and is guided in a bore of the cylinder core which is angularly offset from the bores of tumbler pins.
  • a locking pin of this type weakens the cylinder core only comparatively little.
  • the locking pin can be arranged in and of itself in any angular position with respect to the tumbler pins, but is preferably arranged at an acute angle to the plane containing the pin axes of the tumbler pins, for example at an angle of approximately 45 °, so that the securing pin largely outside of the area of the key channel that is normally open to the circumference of the cylinder core. This benefits the stability of the cylinder core.
  • the area can be on the side the key channel for the inclusion of additional locking pins are kept free, as described for example in German patents 20 03 059 and 31 23 511.
  • the locking pin is held in the groove of the lock cylinder housing by the force of a preload spring.
  • the locking pin on its the groove adjacent end has a cone widening towards the groove and tapering in a cutting edge.
  • a conical cutting edge of this type pulls the locking pin in the manner of a chisel edge towards the lock cylinder housing and reliably prevents the locking pin from sliding back into its bore in the cylinder core.
  • the cutting cone can be formed by a conical head which projects beyond the shaft diameter of the securing pin. The locking pins can be produced with less effort, however, if the cone is limited by an annular groove in the locking pin, since the locking pin can then be made from rod material.
  • the end of the securing pin adjacent to the groove expediently has a spherical end face so as to hinder the rotary movement of the cylinder core as little as possible, or for one in the case of crescent-shaped grooves in which the securing pin engages depending on the rotational position of the cylinder core or is lifted out of the groove to ensure the least possible hindrance to the rotary movement.
  • the end of the locking pin facing away from the groove contains Expediently, an axial guide bore for a spring which prestresses the locking pin radially outward and which is supported at the other end on the bottom of the receiving bore of the locking pin which is designed as a blind bore. Since the spring is received in this way over part of its length by the locking pin, comparatively long springs can be used which can keep the locking pin pre-tensioned in the groove even if it is a comparatively deep groove.
  • the cylinder core contains more than one of the locking pins explained above.
  • the locking pins are expediently arranged next to one another in at least one row in the axial direction of the cylinder core, in particular with the same spacing as that of the tumbler pins arranged in a row. In order to ensure that the cylinder core is weakened as evenly as possible, the locking pins are offset against the tumbler pins in the axial direction of the cylinder core.
  • the locking pins can be provided in several rows, preferably on sides of the tumbler pin row that are opposite one another in the circumferential direction. Two such series have proven to be suitable.
  • the invention can be used in particular in a locking cylinder with additional locking pins, which scan the flat side depressions of the flat key.
  • the holes in the locking pins are angularly offset against the levels of both the tumbler pins and the additional locking pins.
  • Fig. 1 shows a lockable by a flat key 1 double lock cylinder 3, which contains in its lock cylinder housing 5 two mutually axially aligned cylinder cores 7, which are coupled in the usual way with a lock bit hub 9, which is arranged in a recess 11 of the lock cylinder housing 5.
  • the cylinder cores 7 are of the same design and are rotatably seated in a receiving bore 13 in the lock cylinder housing 5.
  • Each of the lock cylinders 7 contains radial bores 17 which are continuous to a key channel 15 and are arranged axially one behind the other in a row and which have bores 21 in a web 19 of the lock cylinder housing 5 .
  • In the bores 17, 21 sit in a conventional manner by springs 23 pairs of tumbler pins 25, 27, which on the narrow side of the flat key Scan the intended toothing and, if the locking secret matches, release the cylinder core for rotation in the locking cylinder housing 5.
  • the cylinder core 7 contains on both sides of the plane containing the pin axes of the tumbler pins 25 and thus on both sides of the key channel 15, rows of stepped bores 31 running transversely to the key channel 15, which pass through to the key channel 15 and stepped additional locking pins 33 slidably included.
  • the additional locking pins 33 have at their end facing away from the key channel 15 a spherical segment-shaped head 35, to which a dome-shaped recess 37 of the inner wall of the receiving bore 13 is assigned in the locked position of the locking cylinder (FIG. 2).
  • the additional locking pins 33 scan with their inner end recesses 39 in the flat sides of the flat key 1 and prevent rotation of the cylinder core 7 in addition to the tumbler pins 25, 27 if the locking secret does not match.
  • the additional locking pins 33 are in turn arranged axially next to one another, the additional locking pins 33 being offset from the tumbler pins 25, 27 by a gap.
  • a row of locking pins 41 is arranged on both sides of a plane containing the pin axes of the tumbler pin pairs 25, 27.
  • the locking pins 41 are seated in radial bores 43 of the cylinder core 7 with axes parallel to each other and lying in a common plane per row.
  • the locking pins 41 are made of helical compression springs 45 biased radially outward and engage with their radially outer ends in crescent-shaped grooves 47 of the inner wall of the receiving bore 13 of the lock cylinder housing 5, each assigned to the individual locking pins 41 in the locked position (FIG. 2). In the locked position of the locking cylinder 3, the locking pins 41 thus prevent the cylinder core 7 from being pulled out of the locking cylinder housing 5.
  • the springs 45 clamped between the bottom of the bore 43 designed as a blind hole on the one hand and the locking pin 41 on the other hand are seated in pocket bores 49 of the locking pins 41.
  • the pocket bores 49 increase the available travel length of the springs 45.
  • the ends of the locking pins 41 which engage in the slots 47 carry a cutting cone 51 which widens towards the slot 47 and is separated from the otherwise cylindrical locking pin 41 by a circumferential keyway 53.
  • the cutting cone 51 ensures that the locking pin 41 cannot slide back into the bore 43. It is understood that the cutting cone 51 does not have to form a sharp-edged cutting edge, it is sufficient if its conical base has a rounded end edge.
  • the radially outer end face 55 of each locking pin 41 is rounded convexly so as to prevent the locking pin 41 from entering and leaving the grooves 47 or the depressions 37 as little as possible when the cylinder core 7 rotates.
  • the two rows of locking pins 41 are in levels on both sides of the arrangement level of the tumbler pins 25 arranged, the levels of the locking pins 41 between the levels of the additional locking pins 33 on the one hand and the level of the locking pins 25 on the other hand at an angle of approximately 45 ° to the level of the tumbler pins 25.
  • the crescent-shaped grooves 47 do not overlap one another and are limited to an angular range of less than 180 °, so that they do not overlap with the dome-shaped depressions 37 in the circumferential direction.
  • the locking pins 41 are preferably made of hard metal or hardened steel or bronze.
  • the additional locking pins 33 on the one hand and the locking pins 41 on the other hand are each arranged in pairs in common planes, in such a way that the rows of the additional locking pins 33 and the locking pins 41 gap against the row of Tumbler pins 25 are offset.
  • FIGS. 4 to 6 show a variant of a double locking cylinder 3a, which differs from the locking cylinder of FIGS. 1 to 3 only in that only the rows of locking pins 41a are offset against the row of tumbler pins 25a, while the Additional locking pins 33a are arranged with respect to their pin axes in common axially normal planes with the tumbler pins 25a. Otherwise, the components of the locking cylinder 3a correspond to the components of the locking cylinder 3.
  • FIGS. 4 to 6 the reference numbers to distinguish the letter a is added.

Landscapes

  • Lock And Its Accessories (AREA)
  • Percussive Tools And Related Accessories (AREA)
  • Braking Arrangements (AREA)
  • Soil Working Implements (AREA)
  • Snaps, Bayonet Connections, Set Pins, And Snap Rings (AREA)
  • Pens And Brushes (AREA)
  • Preliminary Treatment Of Fibers (AREA)
  • Taps Or Cocks (AREA)

Claims (12)

  1. Barillet comprenant un boîtier de barillet (5) et un coeur de barillet (7) pouvant tourner dans un alésage de positionnement (13) ménagé dans le boîtier de barillet (5), qui présente un canal de clé (15) s'étendant axialement et destiné à recevoir une clé plate (1), comprenant une pluralité de paires de goupilles de gâchette (25, 27) disposées en rangée l'une derrière l'autre dans des perçages (17, 21) du boîtier de barillet (5) et du coeur de barillet (7), parallèles entre elles, équipées de ressorts et destinées à palper la clé plate (1), et comprenant au moins un élément de sécurité (41) mobile radialement dans un évidement (43) du coeur de barillet (7), auquel est associée, dans la paroi intérieure de l'alésage de positionnement (13), une gorge particulièrement en forme de croissant (47) s'étendant en direction circonférentielle, dans laquelle est engagé, avec sollicitation radiale par ressort, l'élément de sécurité (41), au moins dans la position de rotation du coeur de barillet (7) permettant de retirer la clé plate (1), caractérisé en ce que l'élément de sécurité est conformé en cheville (41) avec sollicitation par ressort et est guidé dans un perçage (43) du coeur de barillet (7), avec un décalage angulaire par rapport aux perçages (17) des goupilles de gâchette (25) adjacentes.
  2. Barillet selon la revendication 1, caractérisé en ce que la cheville de sécurité (41) présente, à son extrémité adjacente à la gorge (47), un cône (51) s'élargissant en direction de la gorge et se terminant par une arête.
  3. Barillet selon la revendication 2, caractérisé en ce que le cône (51) est limité par une gorge annulaire (53) de la cheville de sécurité (41).
  4. Barillet selon l'une quelconque des revendications 1 à 3, caractérisé en ce que l'extrémité de la cheville de sécurité (41) adjacente à la gorge (47) a une face avant (55) bombée.
  5. Barillet selon l'une quelconque des revendications 1 à 4, caractérisé en ce que l'extrémité de la cheville de sécurité (41) opposée à la gorge (47) comporte un perçage de guidage (49) axial destiné à un ressort (45) exerçant une précontrainte radiale vers l'extérieur sur la cheville de sécurité (41).
  6. Barillet selon l'une quelconque des revendications 1 à 5, caractérisé en ce que la cheville de sécurité (41) est réalisée en acier trempé, en métal dur ou en bronze.
  7. Barillet selon l'une quelconque des revendications 1 à 6, caractérisé en ce que plusieurs chevilles de sécurité (41) parallèles sont disposées les unes à côté des autres dans la direction axiale du coeur de barillet (7) en formant au moins une rangée.
  8. Barillet selon la revendication 7, caractérisé en ce que les chevilles de sécurité (41) de chaque rangée sont décalées par rapport aux goupilles de gâchette (25) disposées également en rangée, dans la direction axiale du coeur de barillet (7).
  9. Barillet selon la revendication 7 ou 8, caractérisé en ce que les axes des chevilles de sécurité (41) de chaque rangée se situent sur un plan incliné selon un angle aigu en particulier d'environ 45° par rapport à un plan contenant les axes des goupilles de gâchette (25).
  10. Barillet selon l'une quelconque des revendications 7 à 9, caractérisé en ce que sont prévues deux rangées de chevilles de sécurité (41) sur les côtés des goupilles de gâchette (25) opposées en direction circonférentielle.
  11. Barillet selon la revendication 10, caractérisé en ce que des gorges en forme de croissant (47) indépendantes, séparées les unes des autres en direction circonférentielle, sont associées aux chevilles de sécurité (41) des deux rangées.
  12. Barillet selon l'une quelconque des revendications 1 à 11, caractérisé en ce que le coeur de barillet (7) présente des perçages (31) dans au moins un plan perpendiculaire à un plan contenant les axes des goupilles de gâchette (25), dans lesquels des goupilles supplémentaires (33) sans ressort peuvent être déplacées, et qui, avec l'une de leurs extrémités, peuvent être introduites dans le canal de clé (15) pour palper des cavités sur le côté plat (39) de la clé plate (1), et qui, avec l'autre extrémité, peuvent être déplacées dans des cavités de fermeture en forme de calotte (37) de la paroi intérieure de l'alésage de positionnement (13) ménagé dans le coeur du boîtier de barillet (5), et en ce que le perçage et/ou les perçages (43) ménagés dans les chevilles de blocage (41) sont décalés angulairement par rapport aux plans des goupilles de gâchette (25) et des goupilles supplémentaires (33).
EP91104673A 1990-03-27 1991-03-25 Barillet Expired - Lifetime EP0449177B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE9003572U 1990-03-27
DE9003572U DE9003572U1 (fr) 1990-03-27 1990-03-27

Publications (3)

Publication Number Publication Date
EP0449177A2 EP0449177A2 (fr) 1991-10-02
EP0449177A3 EP0449177A3 (en) 1992-05-13
EP0449177B1 true EP0449177B1 (fr) 1994-06-01

Family

ID=6852387

Family Applications (1)

Application Number Title Priority Date Filing Date
EP91104673A Expired - Lifetime EP0449177B1 (fr) 1990-03-27 1991-03-25 Barillet

Country Status (4)

Country Link
EP (1) EP0449177B1 (fr)
AT (1) ATE106492T1 (fr)
DE (2) DE9003572U1 (fr)
ES (1) ES2025536T3 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE9003572U1 (fr) * 1990-03-27 1990-05-31 Aug. Winkhaus Gmbh & Co Kg, 4404 Telgte, De
DE4237565C2 (de) * 1992-11-06 1995-04-06 Winkhaus Fa August Schließzylinder und Verfahren zur Herstellung des Schließzylinders
EP1636452A4 (fr) 2003-06-16 2009-07-15 Camware Holdings Pty Ltd Serrure rotative et cle

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1913963A (en) * 1928-11-22 1933-06-13 Chicago Lock Co Lock
DE2003059C3 (de) * 1970-01-23 1979-11-22 Fa. Aug. Winkhaus, 4404 Telgte Schließanlage
DE2514920C2 (de) * 1975-04-05 1982-06-16 Zeiss Ikon Ag, 7000 Stuttgart Mit einer Aufbohrsicherung versehener Schließzylinder mit Stiftzuhaltungen
AT364612B (de) * 1979-03-01 1981-11-10 Evva Werke Schloss, insbesondere zylinderschloss
DE3123511C2 (de) * 1981-06-13 1984-09-20 Aug. Winkhaus KG, 4404 Telgte Drehzylinderschloss
DE8813882U1 (fr) * 1988-11-05 1989-01-26 Bks Gmbh, 5620 Velbert, De
DE8902774U1 (fr) * 1989-03-03 1989-05-24 Zeiss Ikon Ag, 7000 Stuttgart, De
DE8904898U1 (fr) * 1989-04-19 1989-06-22 August Boerkey Nachf. Gmbh, 5820 Gevelsberg, De
DE9003572U1 (fr) * 1990-03-27 1990-05-31 Aug. Winkhaus Gmbh & Co Kg, 4404 Telgte, De

Also Published As

Publication number Publication date
DE59101746D1 (de) 1994-07-07
EP0449177A3 (en) 1992-05-13
ATE106492T1 (de) 1994-06-15
EP0449177A2 (fr) 1991-10-02
DE9003572U1 (fr) 1990-05-31
ES2025536T3 (es) 1994-10-16
ES2025536T1 (es) 1992-04-01

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