EP0633377B1 - Sicherheitsschloss - Google Patents

Sicherheitsschloss Download PDF

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Publication number
EP0633377B1
EP0633377B1 EP94870115A EP94870115A EP0633377B1 EP 0633377 B1 EP0633377 B1 EP 0633377B1 EP 94870115 A EP94870115 A EP 94870115A EP 94870115 A EP94870115 A EP 94870115A EP 0633377 B1 EP0633377 B1 EP 0633377B1
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EP
European Patent Office
Prior art keywords
lock
plate
safety lock
cylinder
dead bolt
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
EP94870115A
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English (en)
French (fr)
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EP0633377A1 (de
Inventor
Miguel Gonzales-Navarro
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Individual
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Individual
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Filing date
Publication date
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Publication of EP0633377A1 publication Critical patent/EP0633377A1/de
Application granted granted Critical
Publication of EP0633377B1 publication Critical patent/EP0633377B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B59/00—Locks with latches separate from the lock-bolts or with a plurality of latches or lock-bolts

Definitions

  • the invention relates to a security lock comprising a housing in which is housed a first plate, mounted movably inside said housing, the deadbolt being mounted on said first plate which is provided with a conversion element arranged for converting a command to operate the lock into a transverse movement of the first plate inside the housing, said first plate being provided with a first guide groove.
  • Such a security lock is known from Austrian patent no. 370 482 and is for example used in armored doors.
  • the lock which is built into the door, has a housing generally made of a relatively thick steel sheet in order to thwart any attempted break-in.
  • the deadbolt is mounted on a first plate whose movement is controlled by the cam of a cylinder, itself actuated by a key.
  • the mounting of the deadbolt on the first plate placed inside the housing increases the resistance of the lock. To move the deadbolt, you have to move the plate, which is not accessible from the outside. Even the destruction of the cylinder does not yet allow to easily take hold on the plate.
  • a disadvantage of the known safety lock is that only the movement of the deadbolt is controlled by the first plate. None is planned for order additional locks with the same key and thus obtain a multiple-point lock. There are, however, multiple point locks where the control of additional locks is carried out by levers controlled from the cylinder. These latter locks have the disadvantage on the one hand of not having the deadbolt mounted on a plate and on the other hand the use of the levers imposes complicated mechanisms, not always reliable and subject to play.
  • the object of the invention is to produce a security lock which makes it possible to control at least one auxiliary lock by the same control movement while being reliable and difficult to destroy.
  • a safety lock is characterized in that the follower is housed in the first groove and in that said plate comprises at least a second groove in which is housed a connection element intended to fix a rod therein control lock.
  • a first embodiment of a lock according to the invention is characterized in that the second groove is provided with at least one bearing which extends substantially parallel to the path of the deadbolt and which is arranged to receive said connection element when the deadbolt extends outside the housing.
  • the presence of a landing makes it easy to lock the connection element in the groove and therefore lock the auxiliary lock.
  • a second preferred form of a lock according to the invention is characterized in that the first plate is mounted on one side of the deadbolt and a second plate is mounted on the other side of the deadbolt characterized in that the first plate is mounted on one side of the deadbolt and a second plate is mounted on the other side of the deadbolt, said first and second grooves extend parallel in the first and second plate.
  • the deadbolt is housed between two plates, which further increases the security of the lock.
  • a third preferred form of a lock according to the invention is characterized in that it comprises a first locking element intended to lock at least one plate at the end of the stroke when the deadbolt extends outside the lock. Locking the deadbolt is an additional obstacle to prevent any attempted break-in.
  • the safety lock according to the invention comprises a second locking element intended to lock the latch bolt when the deadbolt extends outside the lock.
  • a second locking element intended to lock the latch bolt when the deadbolt extends outside the lock.
  • a fourth preferred form of a lock according to the invention is characterized in that said first locking element is formed by at least one first cleat movably housed in a notch provided in at least one of the plates, a first respectively a second part of the notch extending inside respectively outside the horizontal extension of the deadbolt, the first cleat being housed in said first part when the deadbolt extends outside the lock, characterized in that it comprises a first locking element intended to lock at least one of the plates at the end of its travel when the deadbolt extends in outside the lock, said connection element being formed by a second cleat.
  • This offers a simple and above all reliable construction for the first locking element. Since the cleat is housed in the second groove which is part of the plates, the movement of the plate will cause the cleat. Locking is thus automatically ensured when the plate has reached the end of its travel.
  • a fifth preferred form of a lock according to the invention is characterized in that the cylinder comprises a toothed wheel and said conversion element being formed by a first rack in which the toothed wheel takes hold.
  • the use of a toothed wheel and a first rack increases security since this solution is less vulnerable to break-in attempts.
  • said cleat is mounted on a second rack placed downstream of the first relative to the deadbolt. This simplifies the driving of the cleat and ensures locking.
  • a sixth preferred form of a lock according to the invention is characterized in that the cylinder is blocked by a stirrup located inside the lock. This considerably thwarts any attempt to disassemble the cylinder from the lock.
  • said cylinder is provided with a socket mounted on its outer wall, said socket being provided with two recesses located on the side and on the other side of a central axis of the cylinder and inside the lock casing when the cylinder is mounted on the lock, said stirrup comprising two legs pivotally mounted on a base of the stirrup and intended to come be housed in the recesses when the cylinder is blocked inside the housing.
  • a seventh preferred form of a lock according to the invention is characterized in that the U-bolt is connected to the cylinder by a third rack placed upstream from the first relative to the dead bolt. This provides better protection against attempts to activate the latch bolt from the outside.
  • Figure 1 shows an exploded view of the lock according to the invention.
  • Figure 2 resp. 4 illustrates the mechanism of the lock when the deadbolt is housed inside resp. outside the housing.
  • Figure 3 illustrates the mechanism of the lock when the deadbolt is halfway through.
  • the lock comprises a housing consisting of the casing 1 and its cover 2.
  • the casing and its cover are preferably assembled using mortises.
  • Inside the housing are housed displacement means arranged to move the deadbolt 4 and the latch bolt 3.
  • the main element of these displacement means is constituted by the first plate 5 on which the deadbolt 4 is mounted.
  • the lock also includes a second plate 6 mounted on the other side of the deadbolt relative to the first plate. As illustrated in Figure 1, the deadbolt is mounted on a lateral end of the plates, for example using screws, rivets or a weld.
  • a lower end of the first plate 5 comprises a first rack 7 in which a toothed wheel 8 (FIG. 2) of the cylinder allowing the handling of the lock takes hold.
  • a toothed wheel 8 FIG. 2
  • the solution of a rack and a toothed wheel is not the only way to convert an operation of the lock into a movement of the deadbolt.
  • Other solutions such as chains or belts are also possible.
  • the rack 7 allows transverse movement of the first plate 5 and, if necessary, of the second plate 6, which is attached to it by means of the junction element 9.
  • the rotation of the key introduced into the cylinder 10 ( Figure 2) will rotate the toothed wheel 8 mounted on the outer wall of the cylinder, inside the lock.
  • the rotation of the toothed wheel 8 is transmitted to the rack 7 which thus converts the rotation of the key into a transverse movement of the plate. This transverse movement thus drives the deadbolt 4 which is attached to the plate.
  • the deadbolt is preferably about 4 cm long. Indeed, for security reasons, the deadbolt must be able to extend over a sufficiently large depth in the strike, thus considerably thwarting any attempted break-in. Normally, it takes two to three complete turns of the key to advance the deadbolt over its entire length.
  • the mounting of the deadbolt on the plate (s) and the transverse movement of the plate allow movement over almost the entire length of the deadbolt in a half to three quarter turn key in the cylinder.
  • An appropriate gear of the rack 7 and the toothed wheel makes it possible to move the plate over 3 to 4 cm by a half to three-quarter turn of the key.
  • the rotation of the toothed wheel 8 in fact drives the rack over the whole of its path, thus allowing displacement of the plate or plates over this same distance.
  • the first resp. the second plate comprises, for this purpose, a first guide groove 11 resp. 12 in which is housed the follower 14 provided with a washer 13 with lug arranged on one side of the follower.
  • the washer 13 is used to recall the follower when the latch bolt is actuated by a lever.
  • On the other side of the follower is mounted a transmission element 15 which connects the follower to the latch bolt 3 and transmits the movement of the follower in a movement of the latch latch.
  • the nut assembly 14, washer 13 and transmission element 15 is mounted at the height of the first groove 11, 12.
  • the security lock according to the invention preferably comprises control rods for additional locks.
  • the rods themselves have not been shown in the drawings but only the means which control these rods.
  • the rod which extends towards the top of the lock is controlled by a first cleat 16 provided at each of its ends with a ring 17, 18.
  • the cleat 16 is housed in the second groove 19 resp. 20 located in the first 5 resp. the second plate 6.
  • the ring 17 resp. 18 is housed in another groove 21 resp. 22 located in cover 2 resp. envelope 1 of the housing.
  • the second grooves 19 and 20 have a profile which includes an upper bearing 30 and 31 and a lower bearing 32 and 33. Between these bearings, the groove is inclined at an angle of approximately 45 °.
  • the deadbolt 3 is inside the housing of the lock, that is to say in the open position of the lock, as illustrated in FIG. 2.
  • the cleat 16 and the rings 17, 18 are then housed at the level of the upper bearing 31 of the second groove and at the top of the other grooves 21 and 22.
  • the movement of the plate or plates 5, 6, when the lock is operated will cause the cleat and the rings to move in the second and other grooves 21 and 22, as illustrated in Figures 3 and 4.
  • the rings 17 and 18 are housed in the other grooves 21 and 22, which remain stationary during the movement of the plates, the movement will cause the movement of the cleat 16 in the inclined part of the second grooves (fig. 3).
  • the rings 17 and 18 follow this movement since they are fixed on the cleat. Consequently, the rings will descend into the other grooves 21 and 22.
  • the cleat 16 will be in the lower bearing 32, 33 and the rings in the bottom of the other grooves 21 and 22.
  • the control rod of the lower annex lock is connected to the cleat 16 and thus follows its movement when the lock is operated. Since, during a closing, the cleat moves towards the lower bearing, its movement downwards will cause a movement of the control rod downwards and therefore a closing.
  • the fact that the cleat 16 is housed in the lower bearing 32, 33 provides security in the event of an attempted break-in and in particular when an attempt is made to force the lower annex lock.
  • An attempt to lift the lower rod will be thwarted by the fact that the cleat will abut on the upper part of the lower bearing. Movement to the left or right of the rod will be limited by the walls of the groove against which the cleat will abut.
  • the control rod of the upper annex lock follows the movement imposed on it by a second cleat 23 provided with rings 24 and 25.
  • the second cleat is housed in the grooves 26 and 27 and its rings in the grooves 28 and 29.
  • the movement of the cleat 23 is analogous to that of the cleat 16 except that the cleat 23 rises in the grooves 26, 27 during a closing.
  • the control rod of the side annex lock follows the movement imposed on it by a third cleat 34 also provided with rings.
  • the third cleat is mounted in the lower groove 40 of a rocker arm 35.
  • a stud 42 fixed on the second plate 6 engages in an upper groove 41 of the rocker arm.
  • the stud crosses the groove 37 of the first plate and the rocker tumbles relative to its center 43.
  • the lock comprises locking elements further constituted by a second rack 45 provided with two catches 46 and 47 arranged at each of its extremities.
  • the cleat 46 is mounted in such a way that it can be moved in the notch 48 which is slightly curved in the direction towards the deadbolt.
  • the stopper 47 is mounted in such a way that it can be moved into the notch 49 provided in the first plate.
  • the second rack 45 is driven by the toothed wheel 8 and is arranged downstream of the first rack 7 relative to the deadbolt.
  • the second rack takes hold in the toothed wheel 8 which leaves the first rack 7.
  • the movement of the plate stops since the toothed wheel has no more grip on the first rack.
  • the rotation of the toothed wheel will now impose a movement on the second rack thus causing a movement of the cleat 46 from the bottom of the notch 48 (FIG. 3) upwards (FIG. 4) of the latter and following a curve. 65 from another groove in the housing.
  • the stopper 47 moves in the notch 49. The position thus taken by the stops 46 and 47 will lock the deadbolt and the plates.
  • the cleat 46 since the cleat 46 is blocked at the top of the notch 48 and in the curve 65, it simultaneously blocks the plate and the deadbolt which is attached to it. An attempt to force the deadbolt by trying to make it move towards the inside of the housing will be thwarted by the presence of this cleat 46 at this location. Even if the cylinder 10 is forced to arrive at the second rack 45, it will be very difficult to move it because the blocking of the cleat 46 will prevent it.
  • the half-turn bolt 3 is blocked by a second locking element 50 provided at the top of the plates 5, 6 in the extension of the half-turn bolt.
  • the second locking element is formed by a notch in the plates.
  • the guidance and in part the locking of the plates is also ensured by a small lever 52 mounted on a fixed point 53 of the casing 1.
  • the small lever carries, at its end, a small wheel 54 and a fork 58 on which is mounted a spring 55.
  • the small wheel When the deadbolt is housed inside the housing, the small wheel is at the height of the semi-circular notch 56 provided at the top of the plate.
  • the spring 55 maintains the small wheel 54 in this position ( Figure 2).
  • the small wheel will be lifted out of the notch 56 and the spring 55 will be compressed.
  • the small wheel will roll ( Figure 3) then on the plates to reach the notch 57 ( Figure 4) at the end of the course of the plates.
  • the wheel guides the plate which is moved in the housing.
  • the spring will then push the small wheel in the semicircular notch 57 and thus hold the plates in place.
  • the small wheel therefore serves to guide the plates during their movement and by exerting, via the spring 55, a pressure on the plate, contributes to its locking.
  • a third rack 59 transmits a rotational movement of the key in the cylinder 10 via another transmission element 60 and the transmission element 15 to the latch bolt.
  • the transmission element 15 comprises a hook 61 which hooks the shaft 51 of the latch bolt.
  • a projection 62 of the transmission element 15 is housed in a corresponding cavity of the other transmission element 60.
  • the third rack which is provided with a notch 63, is mounted upstream of the first rack 7 relative to the deadbolt.
  • the toothed wheel 8 takes engagement in the third rack 59.
  • a rotational movement of approximately 45 ° in the direction clockwise from the toothed wheel 8 will move the third rack back relative to the deadbolt.
  • the other transmission element 60 one end of which grazes the lateral edge of the third rack, will tumble relative to its axis 65 due to the recoil of the third rack. This tumble will rotate the transmission element 15, which will cause a backward movement to the latch bolt which is attached to it. Since the axis 65 is mounted in the groove 38, it does not hinder the movement of the plates.
  • the third rack is mounted on the second plate 6 by means of a stud 64, which is housed in the notch 63.
  • a stud 64 which is housed in the notch 63.
  • the cylinder 10 is provided with a sleeve 66 mounted on its outer wall and intended to be housed inside the housing.
  • the sleeve is provided with two recesses 67, 68 located on either side of a central axis of the cylinder. In the recesses 67 resp. 68, come to lodge legs 69 resp. 70 of a stirrup 71.
  • a screw 72 which passes through the headrest 72. When the screw 72 is screwed against the tab 69, the latter will pivot around its axis 74. This pivoting will be transmitted to the other tab 70 which will pivot around its axis 75.
  • the pivoting of the tabs will have the consequence that the latter will be housed in the recesses 67, 68 of the sleeve 66 thus wedging the cylinder inside the housing.
  • the sleeve 66 and the cylinder 10 are thus rigidly fixed inside the housing, which considerably thwarts an attempt to remove the cylinder from the lock and thus increases security.
  • the fixing of the cylinder is thus located inside the housing and no longer only by a screw on the headrest as was the case in conventional locks.
  • the cylinder is protected on its outer side by a cylinder protector 73 mounted in free rotation, which prevents clamping on the cylinder.

Claims (14)

  1. Sicherheitsschloß mit
    einem Gehäuse (1, 2), in dem eine erste Platte (5) angeordnet ist, die beweglich im Inneren des Gehäuses montiert ist, wobei der Schloßriegel (4) auf der ersten Platte befestigt ist, an welcher ein Umwandlungselement (7, 8) vorgesehen ist, um eine Betätigung des Schlosses in eine transversale Verschiebung der ersten Platte ins Innere des Gehäuses umzuwandeln, wobei die erste Platte mit einem ersten Führungsdurchbruch (11) versehen ist,
    dadurch gekennzeichnet, daß eine Nuß (14) in dem ersten Durchbruch (11) angeordnet ist, und daß die Platte (5) mindestens einen zweiten Durchbruch (19) umfaßt, in der ein Verbindungselement (16) angeordnet ist, welches zur dortigen Fixierung einer Steuerstange des zugehörigen Schlosses dient.
  2. Sicherheitsschloß nach Anspruch 1,
    dadurch gekennzeichnet, daß der zweite Durchbruch zumindest eine Stufe aufweist, die sich ungefähr parallel zum Weg des Schloßriegels erstreckt und die so angeordnet ist, daß sie das Verbindungselement aufnimmt, wenn sich der Schloßriegel aus dem Gehäuse herausbewegt.
  3. Sicherheitsschloß nach Anspruch 1 oder 2,
    dadurch gekennzeichnet, daß die erste Platte an einer Seite des Schloßriegels und eine zweite Platte an der anderen Seite des Schloßriegels befestigt ist, wobei der erste und der zweite Durchbruch parallel zueinander in der ersten bzw. der zweiten Platte verlaufen.
  4. Sicherheitsschloß nach einem der Ansprüche 1 bis 3,
    gekennzeichnet durch ein erstes Verriegelungselement zur Verriegelung mindestens einer der Platten in einer Endstellung, wenn der Schloßriegel sich aus dem Schloß bewegt.
  5. Sicherheitsschloß nach Anspruch 4,
    dadurch gekennzeichnet, daß das erste Verriegelungselement mindestens von einem ersten Zapfen gebildet wird, der beweglich in einer Ausnehmung angeordnet ist, welche in mindestens einer der Platten vorgesehen ist, wobei ein erster bzw. ein zweiter Abschnitt der Ausnehmung sich innerhalb bzw. außerhalb der horizontalen Verlängerung des Schloßriegels erstreckt, und wobei der Zapfen in dem ersten Abschnitt angeordnet ist, wenn der Schloßriegel sich außerhalb des Schlosses befindet, und wobei das Verbindungselelement von einem zweiten Zapfen gebildet ist.
  6. Sicherheitsschloß nach einem der Ansprüche 1 bis 5,
    gekennzeichnet durch ein zweites Verriegelungselement zur Verriegelung der Falle, wenn sich der Schloßriegel außerhalb des Schlosses befindet.
  7. Sicherheitsschloß nach Anspruch 6,
    dadurch gekennzeichnet, daß das zweite Verriegelungselement von einer Ausnehmung gebildet ist, die auf Höhe der Falle mindestens einer der Platten angeordnet ist.
  8. Sicherheitsschloß nach einem der Ansprüche 1 bis 7, einen Zylinder umfassend,
    dadurch gekennzeichnet, daß der Zylinder ein Zahnrad umfaßt, wobei das Umwandlungselement als erste Zahnstange ausgebildet ist, in welche das Zahnrad eingreift.
  9. Sicherheitsschloß nach Ansprüchen 5 und 8,
    dadurch gekennzeichnet, daß der erste Zapfen auf einer zweiten Zahnstange befestigt ist, die stromabwärts der ersten Zahnstange in bezug auf den Schloßriegel angeordnet ist.
  10. Sicherheitsschloß nach einem der Ansprüche 1 bis 9, umfassend einen Zylinder,
    dadurch gekennzeichnet, daß der Zylinder von einem Bügel blockiert wird, der im Inneren des Schlosses angeordnet ist.
  11. Sicherheitsschloß nach Anspruch 10,
    dadurch gekennzeichnet, daß der Zylinder in einer Hülse vorgesehen ist, die auf der Außenwandung befestigt ist, wobei die Hülse zwei Aussparungen aufweist, die zu beiden Seiten einer zentralen Achse des Zylinders und im Inneren des Gehäuses des Schlosses liegen, wenn der Zylinder am Schloß befestigt ist, wobei der Bügel zwei Klammern aufweist, die schwenkbar an einem Fuß des Bügels befestigt und zum Eingreifen in die Aussparungen vorgesehen sind, wenn der Zylinder im Inneren des Gehäuses blockiert wird.
  12. Sicherheitsschloß nach Anspruch 10,
    dadurch gekennzeichnet, daß der Bügel mit Hilfe einer Schraube betätigt wird, die den Kopfbereich durchquert und auf die Klammern einwirkt.
  13. Sicherheitsschloß nach einem der Ansprüche 8, 9, 10, 11 oder 12, dadurch gekennzeichnet, daß die Falle mit dem Zylinder mittels einer dritten Zahnstange verbunden ist, die stromaufwärts der ersten Zahnstange in bezug auf den Schloßriegel angeordnet ist.
  14. Sicherheitsschloß nach Anspruch 13,
    dadurch gekennzeichnet, daß die dritte Zahnstange einem Plättchen zugeordnet ist, welches in einem dritten Durchbruch vorgesehen ist, wobei das Plättchen so angeordnet ist, daß es über die Länge des dritten Durchbruchs derart verschiebbar ist, daß ein Endpunkt des Plättchens hinter dem Schloßriegel zum Stillstand kommt, wenn dieser sich in dem Gehäuse befindet.
EP94870115A 1993-07-07 1994-07-07 Sicherheitsschloss Expired - Lifetime EP0633377B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
BE9300698A BE1007389A5 (fr) 1993-07-07 1993-07-07 Serrure de surete.
BE9300698 1993-07-07

Publications (2)

Publication Number Publication Date
EP0633377A1 EP0633377A1 (de) 1995-01-11
EP0633377B1 true EP0633377B1 (de) 1997-11-26

Family

ID=3887160

Family Applications (1)

Application Number Title Priority Date Filing Date
EP94870115A Expired - Lifetime EP0633377B1 (de) 1993-07-07 1994-07-07 Sicherheitsschloss

Country Status (5)

Country Link
EP (1) EP0633377B1 (de)
AT (1) ATE160613T1 (de)
BE (1) BE1007389A5 (de)
DE (1) DE69406989T2 (de)
ES (1) ES2112509T3 (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI663318B (zh) * 2018-11-16 2019-06-21 安得烈股份有限公司 滾動式之鎖栓結構
TWI663316B (zh) * 2018-11-16 2019-06-21 安得烈股份有限公司 基於單次控制之鎖栓長距傳動之鎖閘結構

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE818743C (de) * 1948-12-24 1951-10-29 Yale & Towne Mfg Co Einsteckschloss fuer beidseitig angeordnete Zylinderschloesser
AT370482B (de) * 1981-08-11 1983-04-11 Grundmann Gmbh Geb Tuerschloss, insbesondere einstecktuerschloss
GB2188364B (en) * 1985-04-24 1988-09-14 Erebus Limited Locks
DE4025059A1 (de) * 1990-08-04 1992-02-06 Kurt Hamme Mechanisch selbstverriegelndes einsteckschloss

Also Published As

Publication number Publication date
DE69406989T2 (de) 1998-07-02
BE1007389A5 (fr) 1995-06-06
ES2112509T3 (es) 1998-04-01
ATE160613T1 (de) 1997-12-15
EP0633377A1 (de) 1995-01-11
DE69406989D1 (de) 1998-01-08

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