EP0139550B1 - Sicherheitsschloss mit Befestigungsring - Google Patents

Sicherheitsschloss mit Befestigungsring Download PDF

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Publication number
EP0139550B1
EP0139550B1 EP19840401638 EP84401638A EP0139550B1 EP 0139550 B1 EP0139550 B1 EP 0139550B1 EP 19840401638 EP19840401638 EP 19840401638 EP 84401638 A EP84401638 A EP 84401638A EP 0139550 B1 EP0139550 B1 EP 0139550B1
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EP
European Patent Office
Prior art keywords
stator
rotor
ring
cam
bore
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
Application number
EP19840401638
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English (en)
French (fr)
Other versions
EP0139550A1 (de
Inventor
Robert Guitard
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Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of EP0139550A1 publication Critical patent/EP0139550A1/de
Application granted granted Critical
Publication of EP0139550B1 publication Critical patent/EP0139550B1/de
Expired 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
    • E05B17/00—Accessories in connection with locks
    • E05B17/04—Devices for coupling the turning cylinder of a single or a double cylinder lock with the bolt operating member

Definitions

  • the present invention relates to a lock comprising a central rotor suitable for receiving a key, a stator surrounding the rotor and locked to the rotor by locking means in the absence of the key, a fixing ring surrounding the stator and integral with the stator during the rotation of the rotor which is unlocked from the stator by the locking means following the introduction of the key, a cylindrical cam with stationary lug in translation, disposed at the rear of the rotor and of the stator and rotating with the rotor when it is unlocked from the stator, and a bolt translatable by the lug when the cam turns.
  • the fixing ring is firmly anchored to the palastre of the lock box containing the bolt mechanism, and the stator is also firmly anchored to the ring by small screws.
  • the ring is absent and the stator is directly fixed to the rear, internal side, on the front face of the palaster also by small screws.
  • a common method of burglary consists in destroying the means of fixing, such as screws, of the stator by rotating the safety block comprising the rotor and the stator locked to each other by glitter or pins.
  • the destruction of the fixing means can be easily obtained using a robust pliers in which is clamped the external projecting part of the safety block which is then subjected to forced rotation.
  • the forced rotation of the stator is obtained by inserting a blade in the entry hole of the rotor key.
  • the blade provided with a lever is subjected to an alternating rotation causing the forced rotation of the rotor and therefore of the stator locked to the rotor.
  • Another method of breaking in to obtain forced rotation of the stator consists in piercing or destroying the rotor and / or the stator with suitable means such as metal drills.
  • the cam In safety block locks, the cam is securely attached to the rear of the rotor.
  • the forced rotation of the stator integral with the rotor therefore causes the translation of the bolt and the opening of the door.
  • the object of the invention is to provide a lock with a safety block and fixing ring which remains closed under the action of a forced rotation of the safety block and in particular of the stator.
  • the invention relates to a lock as defined in the introduction, characterized in that it comprises means for releasing the rotation of the stator in the ring under the action of a rotational force exerted on the less on the stator without ever causing the rotation of the cam and the translation of the bolt, and means for engaging the rotor with the cam during the rotation of the unlocked rotor of the stator and for disengaging the rotor of the cam during the rotation of the locked stator to the rotor.
  • any break-in practiced as a previous step in order to obtain the opening leads to an empty rotation of the safety block.
  • the means for engaging and disengaging disengage the rotor and the cam, and the cam remains stationary and therefore does not cause the bolt in translation.
  • the locking means are actuated by the key and allow the rotor to rotate in the stator.
  • the stator then remains stationary in the fixing ring thanks to the means for releasing, such as a ball insertable in a recess of the stator and pushed radially by a spring housed in the ring.
  • the rotation of the rotor causes the clutch to engage with a sliding finger radially behind the rotor, and therefore the rotation of the cam and the translation of the bolt.
  • the finger is however released from the cam when the lock is closed, and any forced rotation of the rotor does not stress the rotating cam.
  • the first embodiment illustrated in Figs. 1 and 2 relates to a lock mounted on a door leaf B, comprising a safety block with rotor 1 and stator 2 having coplanar front faces visible from the outside.
  • the rotor 1 is a cylindrical central barrel threaded concentrically from the front into the internal bore 20 of the stator. According to the illustrated embodiment, the locking of the rotation of the rotor 1 in the stator 2 is carried out by pairs of pins 21 and of pistons or also called needles 10 aligned along a generatrix of the bore 20. For each pair, a spring 22 is housed in a diametrical hole in the stator 2 and pushes the respective pin 21 against the respective piston 10 in the rotor 1.
  • the rotor 1 is stationary in the axial direction thanks to a front flange 11 of the rotor which is housed and pressed in a circular counterbore practiced in the front face of the stator 2, and thanks to a cylinder 3 whose front face is applied coaxially against the faces coplanar rear rotor and stator.
  • the front faces of rotor 1 and stator 2 are also coplanar and are only visible on the outside. Screws 30 pass through the cylinder 3 and are screwed into tapped holes 12 made in the rear face of the rotor 1 to fix the cylinder 3 to the rotor 1.
  • the lock also includes a fixing ring 4 embedded from the rear, interior side, in the door leaf B.
  • the stator 2 comprises at the rear a circular base 23 whose shoulder abuts against a corresponding internal shoulder 40 of the 'rear bore 41 of the ring 4.
  • Means for releasing the rotation of the stator 2 in the ring 4 are provided at the rear base 23 of the stator 2 and are intended to prevent any break-in by forced rotation of the safety block.
  • the means for releasing comprise a spring 42 which is housed in an internal radial blind hole 43 formed in the rear base of the ring 4, and a ball 44 pushed by the spring 42 against a recess in a spherical cap 24 at the periphery of the rear base 23 of the stator 2.
  • the rear face of the ring 4 is fixed to the palaster 50 of the box 5 enclosing the bolt mechanism of the lock by means of screws 45 passing through the palaster and screwed into tapped holes 46 of the base of the ring 4.
  • the plaster 50 is fixed to the inside of the leaf B by screws (not shown).
  • a small substantially parallelepipedal tooth 25 which axially overhangs the cylinder 3.
  • the heights in axial direction of the tooth 25 and of the cylinder 3 are equal, which makes it possible to interpose in the large rear bore 41 of the ring 4 a disc 6, called a cam, between the rear faces of the cylinder 3 and of the tooth 25 and the front face of the palaster 50.
  • An axial circular hole 51 is made in the palaster 50 and has a diameter substantially less than the external diameter of the cam 6.
  • a cylindrical lug 60 projects on the rear face of the cam 6, parallel to the axis of the lock.
  • the lug 60 crosses the hole 51 of the palaster 50 as well as a vertical oblong light 70 formed in the tail of a bolt 7 or of a support with multiple bolts translatable perpendicular to the axis of the lock in the box 5 of the lock.
  • Means for engaging and disengaging the rotor 1 relative to the cam 6 also contribute to preventing any break-in by forced rotation of the safety block and are intended to transform the rotational movement of the rotor 1 into the translational movement of the bolt 7.
  • These last means are provided at the level of the cylinder 3 and mainly comprise a monobloc radial finger 8 formed by superposition of a front rectangular tongue 80 and a rear rectangular tongue 81 having large axes superimposed diametrically and small planar sides 82 coplanar.
  • the length and width of the front tongue 80 are respectively greater than that of the rear tongue 81.
  • the other two short sides of the tongues 80 and 81 are terminated by points 83 and 84.
  • the front tongue 80 is slidably mounted in a diametrical blind front groove 31 formed in the cylinder 3.
  • a helical spring 85 is housed in the bottom of the groove 31 and is applied against the small plane side 82 of the finger 8.
  • the pointed end 83 of the front tongue is applied by the spring 85 against the surface of the rear bore 41 of the ring 4 or against the tooth 25 of the stator 2 projecting into the bore 41.
  • a diametrical blind rear groove 32 is formed in the cylinder 3 to 1 rear of the groove 32 and receives the rear tongue 81, the major part of which is housed in a bore 61 of the cam 6.
  • the thickness of the rear tongue 81 is substantially equal to the sum of the heights of the cam 6 and the groove 32, as shown in FIG. 2.
  • the length of the rear tongue 81 is less than the diameter of the bore 61, so that the tongue 81 is inside the bore 61 without contact with the latter when the tip 83 is against the tooth 25.
  • the finger 8 can thus slide diametrically in the cylinder 3 at the rear of the safety block but is rotated by the rotor 1 and the cylinder 3 secured.
  • the cam 6 having an external diameter of the order of the diameter of the bore 41 of the ring 4 can rotate freely between the palaster 50 and the rear face of the cylinder 3 when the rear tongue 81 is contained in the bore 61.
  • the pins 21 are partly in the rotor 1 and partly in the stator 2 and the junction planes of the pins 21 and the pistons 10 are not aligned along said generator of the bore 20 of the stator.
  • the finger 8 is aligned diametrically with the tooth 25 which pushes the tip 83 against the force exerted by the spring 85.
  • the tip 84 of the rear tongue 81 is therefore in the bore 61 of the cam 6 and is disengaged from the clutch slot 62.
  • the introduction of the key C into the rotor 1 causes the alignment of the junction planes of the pins 21 and the pistons 10 with said generator of the bore 20, which in rotation separates the rotor 1 and the stator2.
  • the rotation of the key causes the rotation of the rotor 1 while the stator 2 remains immobilized by maintaining the ball 44 in the recess 24 of the stator by the thrust exerted by the spring 42.
  • the stator is therefore kept fixed to the ring 4 and therefore to the box 5 of the lock.
  • the stroke of the bolt can be limited by means of appropriate stops fixed in the lock cabinet in order to avoid desynchronization between the translation of the bolt 7 and the rotation of the rotor 1 when a second turn of the key is carried out. Indeed, with reference to FIG. 5D, if a second turn of the key takes place, the tip 84 slides against the bore 61 of the cam 6 after being pushed back from the tip 83 by the tooth 25, which disengages the cam 6 from the rotor 1. To again allow a fastening in rotation of the cam 6 and the rotor 1 during a second turn of the key, it is provided in conjunction with new stops limiting the stroke of the bolt, a second slot 63 in the cam 6 in advance of the first slot 62 following the direction of rotation, as shown in Fig. 6.
  • the tip 84 is embedded in the second slot 63, which again engages the rotor 1 with the cam 6 to effect a second round.
  • the distance between the slots 62 and 63 is of the order of magnitude of the average width of the tooth 25 preferably having a trapezoidal cross section.
  • a double clutch is produced by replacing the finger 8 with two identical fingers 8a and 8b similar to the finger 8.
  • the fingers 8a and 8b slide in opposite radial directions in the grooves 31 and 32 of the cylinder 3 under the action of a central spring 85ab.
  • Front points 83a and 83b of the fingers 8a and 8b cooperate with friction respectively with teeth 25a and 25b diametrically opposite and projecting on the rear face of the stator 2.
  • the rear points 84a and 84b of the fingers 8a and 8b are suitable for being embedded in diametrically opposite slots 62a and 62b in the bore 61 of the cam 6.
  • the cam 6 comprises two diametrically opposite lugs 60a and 60b which cooperate alternately with vertical grooves 70a and 70b formed in the tail of the bolt 7 according to the known assembly called "lantern". Under these conditions, a single turn of the key makes it possible to advance the bolt over a stroke equal to that of the bolt obtained for two turns of the key according to the embodiment shown in FIG. 6.
  • the lock is intended in particular for furniture doors or automobile doors.
  • elements similar to those illustrated in Figs. 1, 2 and 8 are indicated respectively by the same reference signs marked by an accent.
  • the front faces of the rotor 1 and of the fixed ring 4 ′ are coplanar and are only visible on the outside. Indeed, the shoulder 40 of the bore 41 of the ring 4 in FIG. 2 is replaced by a front shoulder 40 'of the bore 41' of the ring 4 'which abuts the front face of the stator 2'.
  • the stator 2 ' is completely contained in the ring 4' between a front base of the ring 4 'surrounding the flange 11' of the rotor 1 and the cam 6 'extending the rear face of the ring 4'.
  • the ring 4 'here has a smaller thickness.
  • the blind hole 43 for housing the spring 42 according to FIG. 2 is replaced by a similar blind hole 43 'made radially in the body of the stator 2' in which a spring 42 'pushes a ball 44' opposite the axis of the lock.
  • the 44 'ball can be inserted in a housing in a spherical cap 24 ′ formed in the internal bore 41 ′ of the ring 4 ′.
  • a hollow cylindrical drum 9 is fixed around the rear of the fixing ring 4 'by means of a diametrical screw 90.
  • a semi-circular light 91 receiving the lug 60 'of the cam 6' which cooperates with a corresponding bolt (not shown).
  • the cam 6 ' is housed in the blind bore 92 of the drum 9 between the rear face of the ring 4' and the bottom of the bore 92.
  • the entire safety block enclosed in the ring 4 'and the drum 9 is held at the door by clamping between a front flange 47 'of the ring 4' and a threaded ring 48 'screwed to the periphery of the ring 4'.
  • the cam 6 ' has two slots 62a' and 62b '
  • the stator 2' has two teeth 25a 'and 25b'

Landscapes

  • Lock And Its Accessories (AREA)

Claims (12)

1. Schloss mit einem zentralen Rotor (1), um einen Schlüssel (C) aufzunehmen, einem Stator (2), der den Rotor umgibt und bei abgezogenem Schlüssel durch Verriegelungsmechanismen (10, 21, 22) mit ihm verbunden ist, einem Befestigungsring (4), der den Stator (2) umgibt und mit dem Stator während der Drehung des Rotors (1), der durch die Verriegelungsmechanismen nach Einschub des Schlüssels (C) entriegelt ist, verbunden ist; mit einer in Längsrichtung stationären zylindrischen Nockenscheibe (6) mit Stift (60), hinter dem Rotor und dem Stator angebracht und sich mit dem Rotor (1) drehend, während dieser gegenüber dem Stator (2) entriegelt ist, und mit einem Riegel (7), der bei sich drehender Nockenscheibe (6) durch den Stift (60) längsverstellblar ist, dadurch gekennzeichnet, dass Vorrichtungen (24,42,44), die eine Drehung des Stators (2) im Befestigungsring (4) als Folge einer Drehbeanspruchung auslösen, die zumindest auf den Stator ausgeübt wird, ohne die Drehung der Nockenscheibe (6) und die Längsverstellung des Riegels (7) zu verursachen, und Vorrichtungen (3, 8, 25, 62), um den Rotor (1) mit der Nockenscheibe (6) während der Drehung des vom Stator (2) entriegelten Rotors (1) zu kuppeln und um den Rotor (1) von der Nockenscheibe (6) während der Drehung des mit dem Rotor (1) verriegelten Stators (2) zu entkuppeln, vorhanden sind.
2. Schloss nach Anspruch 1, dadurch gekennzeichnet, dass die Vorrichtungen zur Freisetzung der Drehung des Stators eine Kugel (44,44') aufweisen, die an der Aussenwand des Stators (2) beziehungsweise an der Innenseite des Ringes (4) während der Drehung des Stators (2, 2') entlanggleitet und die in eine Vertiefung (24, 24') an der Aussenseite des Stators (2) beziehungsweise an der Innenseite des Ringes (4) einrastet, wenn derStator (2, 2') und der Ring (4,4') mittels einer Feder (42, 42'), die sich in einem radialen Sackloch (43, 43') des Ringes (4) beziehungsweise des Stators (2') befindet, miteinander gekoppelt sind.
3. Schloss nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass die Vorrichtungen für das Kuppeln und Entkuppeln einen Finger (8) aufweisen, der in einer rückwärtigen Partie (3) des Rotors (1) diametral verschiebbar angeordnet und während der alleinigen Drehung des Rotors (1) und während der Verbindung des Ringes (4) mit dem Stator (2) und durch eine zweite Feder (85) mit der Nockenscheibe (6) gekuppelt ist, und der von der Nockenscheibe (6) durch einen auf der Rückseite des Stators (2) angeordneten Zahn (25) gegen die Kraft der zweiten Feder (85) während der Drehung des mit dem Rotor (1) im Ring (4) verriegelten Stators (2) entkuppelt ist.
4. Schloss nach Anspruch 3, dadurch gekennzeichnet, dass der Finger (8) einen vorderen Dorn (80) und einen hinteren Dorn (81) aufweist, wobei der vordere Dorn (80) ein Ende (83) aufweist, das während der alleinigen Drehung des Rotors (1) durch die zweite Feder (85) gegen eine Bohrung (41) des den Stator (2) fassenden Ringes (4) und während der Drehung des Stators (2), der mit dem Rotor (1) im Ring (4) verriegelt ist, gegen den Zahn (25) des Stators (2) gedrückt wird, und wobei der hintere Dorn (81) durch die zweite Feder (85) während der alleinigen Drehung des Rotors (1) in einen ersten Einschnitt (62) einer Bohrung (61) der Nockenscheibe (6) einrastbar ist und sich in der Bohrung (61) der Nockenscheibe (6) während der Drehung des Stators (2), der mit dem Rotor (1) im Ring (4) verriegelt ist, dreht.
5. Schloss nach Anspruch 4, dadurch gekennzeichnet, dass die Bohrung (61) der Nockenscheibe (6) einen zweiten Einschnitt (63) zur Aufnahme des hinteren Doms (81) aufweist, wobei sein Abstand vom ersten Einschnitt (62) genau der Grösse des Zahnes (25) des Stators (2) entspricht.
6. Schloss nach Anspruch 4, dadurch gekennzeichnet, dass der Finger (8) durch zwei einander diametral entgegengesetzte Finger (8a, 8b) beiderseits der zweiten Feder (85ab) ersetzt ist, von denen jeder einen vorderen Dorn (80a, 80b) und einen hinteren Dorn (81 a, 81 b) aufweist, dass der Zahn (25) des Stators (2) durch zwei einander diametral entgegengesetzte Zähne (25a, 25b) ersetzt ist, die gleichzeitig mit den zwei vorderen Dornen (80a, 80b) zusammenwirken, und dass der Einschnitt (62) der Nockenscheibe (6) durch zwei einander diametral entgegengesetzte Einschnitte (62a, 62b) zur gleichzeitigen Aufnahme der zwei hinteren Dorne (81 a, 81b) ersetzt ist.
7. Schloss nach einem der Ansprüche 3 bis 6, dadurch gekennzeichnet, dass die hintere Partie des Rotors (1) durch ein zylindrisches Teil (3) gebildet ist, welches an der Rückseite des Rotors (1) befestigt (Schrauben 30 und Löcher 12) und gegen die Hinterseite des Stators (2) gesetzt ist, überragt durch den Zahn (25) oder die Zähne (25a; 25b) des Stators und versehen mit einer diametralen Nut (31-32) für die Verschiebbarkeit des Fingers (8, 80-81) oder der Finger (8a, 80a-80b; 8b, 80b-81b).
8. Schloss nach einem der Ansprüche 1 bis 7, dadurch gekennzeichnet, dass die zylindrische Nockenscheibe (6) drehbar in der Bohrung (41) des den Stator (2) umfassenden Ringes (4) und zwischen einer rückwärtigen Partie (3) des Rotors (1) und der Vorderseite des Schlosskastens (50), der von einer Öffnung (51) für die freie Drehung des Nockens (60) mit der Nockenscheibe (6) durchbrochen ist, gelagert ist.
9. Schloss nach einem der Ansprüche 1 bis 7, dadurch gekennzeichnet, dass die zylindrische Nockenscheibe (6') drehbar in einem Sackloch (92) einer an der Hinterseite des Ringes (4) befestigten zylindrischen Hülse (9) gelagert und zwischen dem Grund des Sackloches (92) der Hülse (9) und der Rückseite des Ringes (4') angeordnet ist, wobei der Stift (60') der Nockenscheibe (6') durch eine kreisförmige Öffnung (91) im Boden der Hülse (9) ragt.
10. Schloss nach einem der Ansprüche 1 bis 9, dadurch gekennzeichnet, dass die Vorderseiten (Fig. 2) des Rotors (1) und des Stators (2) koplanar sind und vor der Vorderseite des Ringes (4) liegen.
11. Schloss nach einem der Ansprüche 1 bis 9, dadurch gekennzeichnet, dass die Vorderseiten (Fig. 11) des Rotors (1') und des Ringes (4') koplanar sind und vor der Vorderseite des Stators (2') liegen.
EP19840401638 1983-08-17 1984-08-06 Sicherheitsschloss mit Befestigungsring Expired EP0139550B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8313381A FR2550817B1 (fr) 1983-08-17 1983-08-17 Serrure a bloc de surete et bague de fixation
FR8313381 1983-08-17

Publications (2)

Publication Number Publication Date
EP0139550A1 EP0139550A1 (de) 1985-05-02
EP0139550B1 true EP0139550B1 (de) 1987-06-03

Family

ID=9291655

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19840401638 Expired EP0139550B1 (de) 1983-08-17 1984-08-06 Sicherheitsschloss mit Befestigungsring

Country Status (3)

Country Link
EP (1) EP0139550B1 (de)
DE (1) DE3464081D1 (de)
FR (1) FR2550817B1 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4041134C1 (en) * 1990-12-21 1992-06-04 Huelsbeck & Fuerst Gmbh & Co Kg, 5620 Velbert, De Car lock cylinder with core guide - which carriers a radially displaceable follower, spring-loaded up to radial abutment on guide

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2583813B1 (fr) * 1985-06-19 1991-08-30 Neiman Sa Verrou a rotor cylindrique commandant un doigt d'entrainement
DE8526663U1 (de) * 1985-09-18 1985-11-14 Percic, Mladen, 6000 Frankfurt Sicherheitsschloß
DE3827418A1 (de) * 1988-08-12 1990-02-15 Daimler Benz Ag Schliesszylinder
FR2639393B1 (fr) * 1988-11-22 1990-12-28 Dupart Jean Serrure de surete a stator pivotant
JP3017276B2 (ja) * 1990-11-30 2000-03-06 株式会社アルファ シリンダ錠
DE4122414C1 (de) * 1991-07-06 1992-12-03 Huelsbeck & Fuerst Schließzylinder
DE4304873A1 (de) * 1993-02-18 1994-08-25 Ymos Ag Ind Produkte Schließvorrichtung
DE4315187C1 (de) * 1993-05-07 1994-09-15 Huwil Werke Gmbh Schließzylinder, insbesondere für Möbel
AT411780B (de) * 2001-03-07 2004-05-25 Glock Gaston Miniaturisiertes zylinderschloss
US6640592B2 (en) * 2001-05-08 2003-11-04 Southco, Inc. Key operated latch with combined rotational and translational latching action

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2005335B (en) * 1977-09-08 1982-02-03 Willenhall Ltd L & F Lock

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4041134C1 (en) * 1990-12-21 1992-06-04 Huelsbeck & Fuerst Gmbh & Co Kg, 5620 Velbert, De Car lock cylinder with core guide - which carriers a radially displaceable follower, spring-loaded up to radial abutment on guide

Also Published As

Publication number Publication date
EP0139550A1 (de) 1985-05-02
DE3464081D1 (en) 1987-07-09
FR2550817A1 (fr) 1985-02-22
FR2550817B1 (fr) 1988-01-08

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