EP0270425B1 - Schloss mit Antriebsritzel zwischen Rotor und Riegel - Google Patents

Schloss mit Antriebsritzel zwischen Rotor und Riegel Download PDF

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Publication number
EP0270425B1
EP0270425B1 EP19870402536 EP87402536A EP0270425B1 EP 0270425 B1 EP0270425 B1 EP 0270425B1 EP 19870402536 EP19870402536 EP 19870402536 EP 87402536 A EP87402536 A EP 87402536A EP 0270425 B1 EP0270425 B1 EP 0270425B1
Authority
EP
European Patent Office
Prior art keywords
pinion
teeth
slot
pinions
receiving
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
EP19870402536
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English (en)
French (fr)
Other versions
EP0270425A2 (de
EP0270425A3 (en
Inventor
Dominique Japy
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.)
Stremler SA
Original Assignee
Stremler SA
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
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First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=9341168&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP0270425(B1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Stremler SA filed Critical Stremler SA
Publication of EP0270425A2 publication Critical patent/EP0270425A2/de
Publication of EP0270425A3 publication Critical patent/EP0270425A3/fr
Application granted granted Critical
Publication of EP0270425B1 publication Critical patent/EP0270425B1/de
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
    • 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
    • E05B17/042—Devices for coupling the turning cylinder of a single or a double cylinder lock with the bolt operating member using toothed wheels or geared sectors

Definitions

  • the present invention relates to a cylinder lock comprising, for controlling the movement of a follower ensuring the operation of at least one sliding rod actuating transversely locking elements carried by the leaf or the frame of a door or the like , at least one set of pinions, one of which is capable of being rotated by the bit of a barrel controlled by a key engaged therein.
  • cylinder locks are already known using the rotation movement of the bit controlled by a key to drive a set of pinions returning this movement to a sliding rod.
  • the first pinion in the preceding assembly has a radial slot for engagement therein of the cylinder of the barrel carrying the movable bit which, due to its displacement around the axis of the cylinder under the effect of the key, thus turns the pinion on itself.
  • the movement of the latter is transmitted to a second pinion by means of two small toothed wheels, meshing in parallel on the first and second pinions so that the slot in the first does not produce a solution of continuity in the transmission of the movement, the space which separates the axes of these two small wheels being, for mounting reasons, necessarily greater than that of the slot itself.
  • the second of these connects the first and second pinions by transmitting the movement from one to the other.
  • the rotation of the first pinion continuing, the slot is opposite the second wheel, the first then ensuring the desired transmission.
  • the mounting of the two pinions and the shape of the teeth which they comprise, in particular on either side of the slot where these teeth have a greater width and an appropriate profile capable of meshing with the bit is arranged in such a way that, in the event of the pins of the barrel breaking, the assembly allows relative rotation of the first pinion relative to the second, only over a limited stroke, before blocking the transmission.
  • an axial force on the sliding rod necessarily brings one of the teeth of the second pinion into abutment against one of the blanks of the tooth opposite the first and no longer between two successive teeth thereof, which prevents the entrainment of one by the other and therefore prevents the opening of the locking elements.
  • the production of the first and second pinions requires that, in line with the slot receiving the bit, the wider teeth of the first pinion be arranged in a transverse plane which is offset from - screw of the one which contains the other teeth of the same pinion.
  • the same goes for the second pinion so that the two pinions thus each have a thickness twice that of an ordinary pinion, the total thickness of the space necessary for their accommodation in the locker's trunk being further increased.
  • the fact that it is essential to mount on the axis of the second pinion above it at least a third pinion returning its movement towards the follower and the sliding rod.
  • the present invention relates to an improvement made to barrel locks of the kind mentioned above, using at least two pinions meshing with each other and the first of which, comprising a slot for introducing the barrel, is driven by the bit of the latter actuated by a key, this improvement making it possible to reduce the total thickness of the assembly while retaining the advantages of the solution in which the bit replaces with clearance, at the level of the slot, the missing teeth of the first pinion in order to allow a blocking of the mechanism in the event of an effort exerted on the sliding rod after rupture of the pins of the barrel.
  • the cylinder lock considered comprising a first pinion provided with a radial slot for the axial engagement of a barrel body carrying a movable bit suitable for driving said first pinion around its axis by inserting with clearance in the slot between two actuating teeth of greater width than the other teeth of said first pinion and disposed on either side of said slot, these actuating teeth having a thickness greater than that of said pinion by projecting over one of the faces thereof, and a second pinion, cooperating with the first, comprising two receiving teeth of greater width than the other teeth of said second pinion, these receiving teeth being separated by a free space whose width is substantially equal to that of the slot of said first pinion, is characterized in that said second pinion has in its plane, on either side of the receiving teeth, opposite said es free space, two complementary extensions suitable for cooperating without play with two notches formed in said first pinion in the plane thereof.
  • the complementary extensions of the second pinion have a rounded profile, the blanks of which have a substantially convex continuous curvature.
  • the two actuating teeth of the first pinion have on each side of the slot receiving the bit, housings closed towards said slot and open towards the opposite side, capable of receiving the receiving teeth of greater width from the second pinion.
  • the reference 1 designates the trunk, shown open, of a cylinder lock according to the invention. This comprises, very schematically illustrated in the drawing, a sliding rod 2 whose displacement allows transverse actuation projecting or recessed in the trunk 1 of locking elements (not shown), the lock being itself mounted in the thickness of the frame or leaf of a door or the like.
  • the sliding rod 2 is itself actuated by a rack nut 3, the movement of which is obtained by meshing it with a pinion 4, fixed on an axis 5 perpendicular to the plane of Figure 1.
  • Rotation in one direction or in the other of the drive pinion 4 is produced by means of a set of two other control pinions, respectively a first pinion 6 and a second pinion 7, meshing with each other.
  • the first pinion 6 is mounted in a circular recess of a support 8, extended at its lower part by an elongated housing 9.
  • This pinion 6 furthermore has a hollowed-out central part 10, allowing the axial engagement in this pinion of a barrel body 11, the lower part 12 of which enters the housing 9, thus being guided by the latter.
  • the support 8 of the pinion 6 is immobilized in the trunk 1 of the lock and has for this purpose a transverse passage 13 for mounting a locking screw 14 which also passes through the lower part 12 of the barrel.
  • the disassembly of the screw 14 thus allows, on request, to change the barrel body 11 to replace it with another in the event of a defect or more generally to replace the initial barrel with another of the same profile but suitable for a different key, especially when the user has lost the first one.
  • the body of the barrel 11 comprises a bit 15, mounted movably around the axis of the body under the effect of a key 16 engaged in the latter.
  • the profile of the key, as well as the arrangement of the interior parts of the barrel, in particular the pins thereof, authorizing rotation of the bit 15 only for a determined and precise profile of this key once introduced into the body 11, are not described here, these arrangements being in themselves conventional and well known in the art.
  • the first pinion 6 has two actuating teeth, respectively 17 and 18, forming extra thicknesses on top of the pinion and separated from each other by a slot 19 into which the bit 15 of the barrel is inserted with play. when the latter is mounted in the recessed central part 10 of the pinion.
  • the teeth 17 and 18 are thus arranged on either side of the bit 15 which, in a way, plays the role, in the pinion 6, of a large complementary tooth, in fact missing in the space 19.
  • teeth 17 and 18 have, opposite the slot 19, housings 17a and 18a respectively, closed on the side of this slot but open towards the outside.
  • the pinion 6 also comprises, beyond the housings 17a and 18a, two notches 20 and 21 respectively, the profile of which is determined in a manner which will be specified below. Beyond these notches, the pinion finally comprises a series of teeth 22 for driving homologous teeth 23 of the second pinion 7.
  • the teeth 22 and 23 having an appropriate profile but a maximum width very much less than that of the teeth d actuation 17 and 18 on the one hand and notches 20 and 21 on the other.
  • the second pinion 7 is mounted on the axis 5 carrying the pinion 4 so that, from the movement which it receives from the first pinion 6, it in turn transmits a corresponding rotation to the pinion 4 and by the latter, to the follower 3.
  • the actuating teeth 17 and 18 of the pre mier pinion 6 are in a symmetrical position relative to the housing 9 in which engages the lower part 12 of the barrel body 11, the bit 15 also being inside this housing.
  • the second pinion 7 is arranged so that it has respectively, opposite to the elements constituting the first pinion, housings, homologous parts, but nevertheless not identical, arranged to cooperate with the first during of the mutual opposite rotation of the two pinions.
  • the pinion 7 thus comprises, firstly two receiving teeth 24 and 25, suitable for successively and respectively engaging in the housings 17a and 18a of the first pinion.
  • receiving teeth 24 and 25 are separated from each other, on the periphery of the pinion 7, by a free space 26 whose profile and in particular the width are substantially identical to those of the slot 19 of the first pinion 6.
  • the pinion 7 comprises, beyond the hollow parts 27 and 28, two complementary extensions 29 and 30, these having a rounded profile with convex and continuous curvature, corresponding to the hollows of the notches 20 and 21 of the first pinion 6.
  • the receiving teeth 24 and 25 on the one hand, the complementary extensions 29 and 30 on the other hand of the second pinion 7, are produced in the plane of the latter, as illustrated in the perspective view of Figure 2, the pinion 4 can therefore be mounted on top of this pinion 7, so that the thickness of the assembly is in reality only the addition of the relative thicknesses of these pinions 4 and 7 and does not not exceed that of the pinion 6, in particular at the level of the actuating teeth 17 and 18 thereof.
  • the first pinion 6 has at the right of the latter an approximately double thickness and in total practically equal to that of the pinions 4 and 7 thus superimposed.
  • the key 16 In the initial position shown in Figure 1, the key 16 is inserted into the barrel 11 and then drives the bit 15 thereof in the direction, for example, counterclockwise.
  • the bit 15 thus comes into contact with the lateral blank of the actuating tooth 17 and rotates the first pinion 6 on itself.
  • the latter by its teeth 22, meshes with the teeth 23 of the second pinion 7 and thus transmits the movement of the key at the pinion 4 and, from the latter, at the follower 3.
  • the difference in width between the slot 19 separating the actuating teeth 17 and 18 of the first pinion and the bit 15, immediately authorizes a slight offset of the second pinion 7 relative to the first 6, such that, in case of force exerted on this second pinion to make it then rotate clockwise, the first pinion 6 is instantly blocked in its rotation by the receiving tooth 25 which can no longer engage in the housing 17a tooth 17 but laterally abuts against the blank thereof.
  • the mechanism according to the invention therefore makes it possible, by agreeing to all the advantages of the conventional solution, in particular with regard to the safety of its operation in the event of a force exerted on the sliding rod introducing the unlocking of the lock, to carry out the latter with a significantly reduced thickness, allowing it to be mounted in narrow supports, shielded or not.

Landscapes

  • Lock And Its Accessories (AREA)

Claims (3)

1. Zylinderschloß bestehend aus einem ersten Ritzel (6) mit einem radialen Schlitz (19) für das axiale Einführen eines Zylinderkörpers (11), der mit einem beweglichen Bart (15) versehen ist, der geeignet ist das genannte erste Ritzel um seine Achse zu drehen, indem er mit Spiel in den Schlitz zwischen zwei Antriebszähnen (17-18) eingreift, die breiter als die anderen Zähne (22) des genannten ersten Ritzels und diesseits und jenseits des genannten Schlitzes (19) angeordnet sind, wobei diese Antriebszähne (17-18) dicker sind als das genannte Ritzel und auf einer seiner Flächen vorstehen, und aus einem mit dem ersten Ritzel zusammenwirkenden zweiten Ritzel (7), das mit zwei Abtriebszähnen (24-25) versehen ist, die breiter sind als die anderen Zähne (23) des genannten zweiten Ritzels, wobei diese Abtriebszähne (24-25) durch einen Freiraum (26) getrennt sind, dessen Breite annähernd der Breite des Schlitzes (19) des genannten ersten Ritzels entspricht, dadurch gekennzeichnet, daß das genannte zweite Ritzel (7) in seiner Ebene diesseits und jenseits der Abtriebszähne, auf der dem genannten Freiraum gegenüberliegenden Seite, zwei komplementäre Erweiterungen (29-30) aufweist, die dazu geeignet sind, ohne Spiel mit zwei in dem genannten ersten Ritzel in dessen Ebene eingebrachten Einkerbungen (20-21) zusammenzuwirken.
2. Zylinderschloß gemäß Anspruch 1, dadurch gekennzeichnet, daß die komplementären Erweiterungen (29-30) des zweiten Ritzels (7) ein abgerundetes Profil aufweisen, dessen Flanken eine gleichbleibende ausgeprägt konvexe Wölbung aufweisen.
3. Zylinderschloß gemäß Anspruch 1 oder 2, dadurch gekennzeichnet, daß die zwei Antriebszähne (17-18) des ersten Ritzels (6) auf beiden Seiten des den Bart (15) aufnehmenden Schlitzes (19) zum genannten Schlitz hin geschlossene und zur gegenüberliegende Seite offene Aufnahmen (17a-18a) aufweisen, die dazu geeignet sind, die breiteren Abtriebszähne (24-25) des zweiten Ritzels (7) aufzunehmen.
EP19870402536 1986-11-25 1987-11-10 Schloss mit Antriebsritzel zwischen Rotor und Riegel Expired - Lifetime EP0270425B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8616376A FR2607176B1 (fr) 1986-11-25 1986-11-25 Serrure dont le barillet est accouple, par un jeu de pignons, avec la piece actionnant le pene
FR8616376 1986-11-25

Publications (3)

Publication Number Publication Date
EP0270425A2 EP0270425A2 (de) 1988-06-08
EP0270425A3 EP0270425A3 (en) 1988-07-06
EP0270425B1 true EP0270425B1 (de) 1990-06-20

Family

ID=9341168

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19870402536 Expired - Lifetime EP0270425B1 (de) 1986-11-25 1987-11-10 Schloss mit Antriebsritzel zwischen Rotor und Riegel

Country Status (4)

Country Link
EP (1) EP0270425B1 (de)
DE (1) DE3763325D1 (de)
ES (1) ES2016858B3 (de)
FR (1) FR2607176B1 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19650136B4 (de) * 1996-12-03 2006-06-29 Brose Schließsysteme GmbH & Co.KG Kraftfahrzeug-Türschloß o. dgl. mit Freilauf

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE9104553U1 (de) * 1991-04-13 1991-06-06 Bks Gmbh, 5620 Velbert, De
FR2690944B1 (fr) * 1992-05-05 1995-01-06 Brogser Sa Serrure à barillet.
GB2272247A (en) * 1992-11-05 1994-05-11 Gary Christian Axial push and pull locking device
BE1008364A5 (nl) * 1993-01-13 1996-04-02 Parys Remi E Van Slotmechanisme en sluiting voorzien van dergelijk slotmechanisme.
FR2708305B1 (fr) * 1993-06-30 1995-11-10 Laperche Sa Serrure à engrenages et à cylindre perfectionnée.
FR2707322B1 (fr) * 1993-07-05 1995-09-22 Laperche Sa Serrure à cylindre et à engrenages de transmission du mouvement au pêne de celle-ci.
AUPO604297A0 (en) 1997-04-08 1997-05-01 Lockwood Australia Pty Ltd Lock mechanism
IT1295212B1 (it) 1997-10-03 1999-05-04 Italiana Serrature Affini Serratura con dispositivo ad ingranaggi per l'azionamento di almeno un catenaccio.
IT1399937B1 (it) * 2010-05-05 2013-05-09 Arso Serratura di sicurezza per porte basculanti
FR3008123B1 (fr) * 2013-07-02 2016-02-12 Tordjman Cylindre de serrure, serrure equipee d'un tel cylindre

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3021086A1 (de) * 1980-06-04 1981-12-10 Gretsch-Unitas Gmbh Baubeschlagfabrik, 7257 Ditzingen Antrieb fuer wenigstens ein riegelglied

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19650136B4 (de) * 1996-12-03 2006-06-29 Brose Schließsysteme GmbH & Co.KG Kraftfahrzeug-Türschloß o. dgl. mit Freilauf

Also Published As

Publication number Publication date
ES2016858B3 (es) 1990-12-01
DE3763325D1 (de) 1990-07-26
FR2607176B1 (fr) 1989-03-31
EP0270425A2 (de) 1988-06-08
EP0270425A3 (en) 1988-07-06
FR2607176A1 (fr) 1988-05-27

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