EP2123851A1 - Schließmechanismus, der eine Schutzverkleidung umfasst - Google Patents

Schließmechanismus, der eine Schutzverkleidung umfasst Download PDF

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Publication number
EP2123851A1
EP2123851A1 EP09006328A EP09006328A EP2123851A1 EP 2123851 A1 EP2123851 A1 EP 2123851A1 EP 09006328 A EP09006328 A EP 09006328A EP 09006328 A EP09006328 A EP 09006328A EP 2123851 A1 EP2123851 A1 EP 2123851A1
Authority
EP
European Patent Office
Prior art keywords
barrel
block
front block
lock mechanism
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.)
Granted
Application number
EP09006328A
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English (en)
French (fr)
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EP2123851B1 (de
Inventor
Antoine Decayeux
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.)
Decayeux SAS
Original Assignee
Decayeux SAS
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
Priority claimed from FR0802804A external-priority patent/FR2931506A1/fr
Application filed by Decayeux SAS filed Critical Decayeux SAS
Priority to SI200930459T priority Critical patent/SI2123851T1/sl
Priority to PL09006328T priority patent/PL2123851T3/pl
Publication of EP2123851A1 publication Critical patent/EP2123851A1/de
Application granted granted Critical
Publication of EP2123851B1 publication Critical patent/EP2123851B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B15/00—Other details of locks; Parts for engagement by bolts of fastening devices
    • E05B15/02—Striking-plates; Keepers; Bolt staples; Escutcheons
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B17/00—Accessories in connection with locks
    • E05B17/0054—Fraction or shear lines; Slip-clutches, resilient parts or the like for preventing damage when forced or slammed
    • E05B17/0062—Fraction or shear lines; Slip-clutches, resilient parts or the like for preventing damage when forced or slammed with destructive disengagement
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B17/00—Accessories in connection with locks
    • E05B17/20—Means independent of the locking mechanism for preventing unauthorised opening, e.g. for securing the bolt in the fastening position
    • E05B17/2084—Means to prevent forced opening by attack, tampering or jimmying
    • E05B17/2092—Means responsive to tampering or attack providing additional locking
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B9/00—Lock casings or latch-mechanism casings ; Fastening locks or fasteners or parts thereof to the wing
    • E05B9/04—Casings of cylinder locks
    • E05B9/041—Double cylinder locks
    • E05B9/042—Stators consisting of multiple parts being assembled together

Definitions

  • the present invention relates to locks comprising a barrel-shaped rotor having a key receiving slot, for controlling a mechanism for operating a bolt.
  • the recognition of lateral reliefs of the desired key is performed by an axial row of pins sliding in radial passages in the barrel. If one of the reliefs is too large, the pin that feels it, by its radially inner end, is excessively driven radially, that is to say, beyond the mouth of the passage and the barrel has a peripheral surface bristled by such a projection, outside the cylindrical surface of the virtual envelope of the barrel.
  • the protruding section of the pin is housed in a well, aligned with the passage, which is formed in a control block formed in an extra thickness of the wall of the cylindrical stator housing containing and rotating the barrel around a virtual axis.
  • each pair of sliding elements constituted by such a pin and the piston biased towards the end of the latter, have two respective abutment surfaces.
  • mutual support which are exactly at the level of the envelope surface, that is to say that, overall, the cylinder has no projection (outer pin section) or hollow (outer mouth section of a passage).
  • the present invention aims at providing a solution for increasing the resistance of such a lock to attacks such as that described above or others.
  • the invention relates, first of all, to a lock mechanism comprising a frame comprising a housing for a cylinder for recognizing a key shaft for controlling a mechanism for operating a bolt, characterized in that that the chassis axially presents a front block separated from a rear block of the chassis by a discontinuity of reduced mechanical strength, the chassis comprising burglar-proof locking means arranged to memorize any displacement of the front block relative to the rear block and control a blocking at least one of the barrel and said bolt operation mechanism.
  • the lock mechanism is locked in the locked state, this blocking occurring at any desired point of the mechanism from the key to the bolt, that is to say the barrel or the downstream mechanism of operation of the bolt, such as a bit or other.
  • the present invention aims at the patent protection of a lock mechanism comprising the entire kinematic chain, that is to say the barrel and the downstream bolt actuating mechanism, or a lock mechanism not including the downstream bolt mechanism.
  • the burglar-proof locking means can act on the barrel, and the desired result is directly achieved, or their locking state will present a "flag" which will be detected by the downstream mechanism when it is mounted on the lock mechanism.
  • reduced strength indicate resistance unevenness, i.e. the material elements in the intermediate zone having the discontinuity have less mechanical strength than the front block and the rear block.
  • any breakage of the mechanism will occur at this level. It can therefore be two assembled parts whose coupling elements will yield, or a single piece whose intermediate axial section is for example of reduced section and / or shape less suitable to withstand a torsion torque.
  • the locking means may be located at the rear block or the front block, and in the latter case, a simple movement of the front block will cause the desired displacement of the locking means, and a complete tearing of the front block will cause its separation with the locking means, remaining in place in the frame.
  • the burglar-proof locking means may comprise, in the rear block, a fixing hook of the front block arranged for, in case of tearing of the front block, to deform plastically by falling back into a locking cavity formed in the barrel.
  • cavity should be understood to mean any volume that the material forming the barrel leaves free in the cylindrical volume that the housing provides for its rotation, this cavity may have a concave shape or be a simple chamfer or flat.
  • the locking cavity belongs to a receiving slot of the key rod.
  • the material of the hook thus folds in the direction of unfolding of the hook when it opens by tearing the block before it fixes, and the final change in the position of the material constituting the hook, that is to say to say the orientation of the deformed crocodile in a direction other than that which is functional for the attachment, constitutes a locking position of the barrel.
  • the hook is a sort of memory switch.
  • it can be an electronic memory that memorizes the attempted break-in and controls a blocking actuator.
  • the burglar-proof locking means comprise a sliding element, arranged to be coupled to the front block to control a safety device ensuring a said blocking.
  • the front block thus functionally the equivalent of a latch, which would be trapped, that is to say that any displacement of the front block, or elements thereof, relative to the rear block will condemn the lock .
  • the front block is attached to the rear block with at least a minimum of strength, so that only a breaking action, with a certain force, causes the locking of the lock.
  • the burglar-proof locking means are arranged so that the safety device can only pass from a non-functional rest position to a position of said blocking, ie it is insensitive to any movement. back of the zipper towards the rest position.
  • the locking means may be arranged to act on a blade of said bolt operation mechanism.
  • the front block comprises at least one locking piston of the barrel.
  • the at least one piston of the front block is preferably located in an angular sector distinct from an angular sector occupied by the pistons of the rear block.
  • the lock mechanism comprises two control blocks comprising locking pistons of two respective barrels, the control blocks being disjoint and each having a mounting dovetail relief on a relief of complementary shape of a common beam.
  • a front section of the beam carries the front block.
  • the overall frame thus has good resistance to bending in the event of an attempted break-in.
  • a support beam of the mechanism comprises means for connection with a fixing end of the front block, the beam possibly being integrally integrated with the rear block of the frame and the connecting means comprising, for example at least one groove for receiving a connecting lug.
  • the arrangement comprises for example a machining of at least one groove for receiving a tab of the tip.
  • the figures 1 and 2 represent a stator or frame 60 and 601 of a lock mechanism, here made of brass, comprising a housing 10 or 101 delimiting a cylindrical volume, of geometric axis 50, for rotating a barrel-shaped rotor, here double and referenced 20 ( figures 3 and 4 ) and 201, having a respective slot 28 for receiving a rod 2 of a key 1 (of which only the insertion position from the front of the lock is drawn on the figures 3 and 4 ) of operation of the lock.
  • the barrel 20 or 201 makes it possible to control the operation of an operating mechanism for locking and unlocking a bolt, such as a bit 55 rotatably mounted about the axis 50 and whose position is indicated by the dashed arrow .
  • the axis 50 is assumed to be horizontal, which is the usual orientation for mounting on a door. Likewise, certain particular sectors of housing 10 are described as occupying a certain position, for example low. These are references facilitating the disclosure of the invention, the present description remaining valid after the desired transposition, if the orientation references of the various elements were other.
  • the axis 50 serves as reference, unless otherwise indicated, for the axial and radial directions.
  • the bit 55 can thus be controlled by any one of the two barrels 20 and 201, located on each side thereof and centered on the axis 50, the cylinder 201 being located on an axial side said internal, with respect to a local protected by the lock, and the other cylinder 20 being located on the outer side, that is to say likely to be subject to a attempted break-in.
  • the barrel 20 comprises a plurality of respective passages 21 occupying staggered positions axially and opening into a surrounding peripheral peripheral surface 29 (not shown) of the barrel 20, the passages 21 being here substantially radial and rectilinear. It is the same for the barrel 201.
  • the frame portion 601 thus comprises the so-called internal housing 10I, axially aligned with the housing 10 of the so-called outer frame portion 60, both separated by a space slice 101 centered on a median plane 100 perpendicular to the axis 50, mid-length thereof.
  • a respective control block 30, 301 is constituted by a wall thickness of the associated housing 10, 10I, and thus occupies an angular sector conventionally located in the lower position under the axis 50.
  • Each control block 30 or 301 comprises, relative to to the associated plurality of passages 21, the same plurality of wells 31, here substantially vertical, aligned with a respective passage 21 when the barrel 20 or 20I occupies an angular position of rest, so that specific relief unlocking presented by the rod 2 of the key 1 tend to push down, in the mouths 32 of the wells 31, pins 23 slidably mounted in the respective passages 21, against the restoring forces exerted by the springs 37 of the frame 60 tending to repel, here upwards, in the mouths 22 of the respective passages 21, pistons 33 for locking the barrel 20 or 201 slidably mounted in the wells 31.
  • the two housings 10 and 10I, with their control blocks 30 and 30I, are mounted on a common element forming an axially directed beam, specifically a steel bar 70 having an upper axial dovetail relief 75, here male, c that is, an axial rail which can be slid into two respective lower dovetail grooves 39, 391 located on respective lower faces of the two axially aligned control blocks 30, 30I integral with the respective housing 10, 101.
  • Four vertical pins 73 are here provided to then hook the beam 70 with the control block 30, 301 by respective vertical holes mutually aligned, and thus block the assembly against any disassembly by a mutual movement of axial translation.
  • the frame 60 external, has axially a front block 60A, that is to say the most axially "external” separated from a rear block 60R, belonging to the outer frame 60 , by a discontinuity of reduced mechanical strength 60C and the rear block 60R includes burglar-proof locking elements arranged to memorize any displacement of the front block 60A relative to the rear block 60R and to control a blocking of at least one of the barrel 20 and said bolt operation mechanism.
  • the front block 60A is a here substantially rectangular front plate-shaped front shield, made of a mechanically resistant material such as steel, having a substantial thickness, here about 1 centimeter, for, on the one hand, withstanding the deformation and in the case of break-in, and on the other hand, to make it possible to provide housing cavities of elements indicated below.
  • the front block 60A therefore forms a shield against the drilling of the rear block 60R, and in particular of its rear control block 30R.
  • the front block 60A is mounted on a front section 71 of the beam 70, with the tail coupling.
  • the front section 71 of the beam 70 traversing for this purpose a passage 61 with a direction parallel to that of the axis 50, in the lower part, having a clearance jig corresponding to a clearance jig of FIG. front section 71 of the beam 70.
  • a horizontal side pin 63 ( figure 1 ) engages the front block 60A with the front section 71 of the beam 70 to lock them in the assembly position.
  • the outer frame 60 With respect to a frame that would be in one piece and of constant cross section, the outer frame 60 thus has an intermediate zone of weakening constituted by the discontinuity of reduced mechanical resistance 60C since the coupling of the passage 61 on the front section 71 the beam 70 is of limited size.
  • the beam 70 being of much smaller cross section than the cross section of the rear block 60R, it will withstand less bending.
  • the upper part of the front block 60A has, in this example, at a level of a posterior radial space, a cylindrical cavity constituting a front section 10A housing 10, a rear portion 10R belongs to the rear block 60R.
  • the front block 60A receives in an adjusted manner, in the lower part, the front section 71 of the beam 70 and slidably receives the rotation, in the upper part, a front section 20A of the cylinder 20.
  • the front block 60A furthermore houses, in the anterior part of the front section 10A, a rotary pad 78, associated with an axially elastic ring 79, for holding it in the forward position, intended to mask an anterior face 20F of the barrel 20, apart from the slot 28 for the key 1.
  • a protective cover frame 77 masks the connection between the front block 60A and the rear block 60R.
  • the mounting coupling of the front block 60A with the rear block 60R is further ensured by the lateral coupling pin 62, here horizontal, coming to plug the front block 60A to arrive in a groove here horizontal 10L ( figure 2 ) formed at the top of an anterior part of the rear section 10R, and precisely in an upper zone of a radially outer surface 12 of envelope ( figure 4 ) of the rear section 10R, concentric with an internal surface 11 in contact with the barrel 20.
  • the groove 10L extends in a radial plane close to a radial plane of free anterior end of the rear section 10R, so that a flank front of the groove 10L axially limit, with this free end plane, a volume of wall material of the rear section 10R in the form of bead or crimp 10C radially outwardly, here upwards, the croc 10C is therefore radially limited by the outer surface 12 and the inner surface 11 of the rear section 10R.
  • the rear flank of the croc 10C (that is to say the anterior flank of the groove 10L) thus exerts a force on the coupling pin 62. block retainer 60A. If, however, the tearing force is excessive, the hook 10C gives way by plastic deformation of the brass, that is to say that it tends to pivot forwardly and thus to fall back towards the axis 50 according to the arrow F1 ( figure 2 ).
  • the cylindrical surface of the barrel 20 has a cavity in the form of local flat or, here, frontal bevel 20C ( figure 4 ) in notch of the anterior face 20F and extending over the axial length desired to reach the rear section 10R.
  • the bevel 20C is located in an angular sector occupying a higher position when the cylinder 20 is in the rest position, that is to say, locking the lock, so to be opposite the croc 10C.
  • the backing material of the hook 10C which delimits a front portion of the inner surface 11 of the rear section 10R, is folded (arrow F1), with plastic deformation, in the volume formed by the bevel 20C, so that any rotation future barrel 20 is prohibited.
  • the hook 10C normally occupies a radially external position to maintain the front block 60A, and, in the event of a break-in, it pivots towards the axis 50 to take a final blocking position of the barrel 20. It is conceivable that the 10L groove could have been provided in any other angular sector of the rear section 10R.
  • the bevel 20C is functionally replaced by a radially outer zone of the slot 28, zone receiving the croc 10C.
  • an angular wall sector of the rear section 10R comprising the crotch 10C is limited by two substantially axial slits so as to laterally separate the hook 10C from the rest of the wall so that it forms an axial tongue, of smaller width to that of the slot 28, so can clearly penetrate into it, with a lateral play in the circumferential direction.
  • one of the two axial slice edges of the tongue (10C) thus has a short circular path allowed by the side play and abuts perpendicular to the lateral surface facing the slit 28, which surface is substantially radial in direction. This ensures a better locking than in the case of the bevel 20C, since the crimp 10C folded was obliquely supported on the bevel 20C, that is to say that any torque to rotate the barrel 20 blocked tended, by effect wedge, to push the hook 10C radially outward of the bevel volume 20C.
  • the front block 60A comprises at least one said piston, here only one, referenced 33A, "before", associated with a spring 37, cooperating with a said pin 23 (not shown here) of the front section 20A of the barrel 20.
  • the break-in of a lock of this type consists in destroying the pistons 33 by drilling the control block 30.
  • the control block 30 is here split into a rear control block 30R, belonging to the rear block 60R, and a front control block 30A, belonging to the front block 60A.
  • the front control block 30A containing the at least one front piston 33A, is located in an angular sector offset from the sector, here below, corresponding to the rear control block 30R, precisely here in a sector spaced about a quarter turn, that is to say that the front piston 33A is substantially horizontal.
  • the front block 60A provides the front control block function 30A, providing a redundancy of the lock of the lock.
  • a so-called burglar-proof device may be provided in the front block 60A.
  • This device comprises a "straw”, that is to say a blade, in particular a metal blade, slidably mounted in the barrel of the lock, in a direction perpendicular to the axis of the barrel.
  • the barrel has two slots adapted to allow the blade to pass partially.
  • these two slots are opposite with respect to a median plane of the lock comprising the axis of rotation of the barrel.
  • the front block 60A has two slots arranged opposite the slots and adapted to partially receive the blade when it protrudes out of the barrel through one of the slots.
  • the blade comprises a relief called "feeler" adapted to cooperate with an associated relief of the key inserted into the barrel to move the blade in translation.
  • the key may in particular have a relief recessed or protruding.
  • the key adapted to the lock - that is to say the one that allows the opening of the lock - then has a relief whose height corresponds to the necessary displacement of the blade so that it does not protrude out of the barrel .
  • the blade when the key inserted into the barrel is the key adapted to the lock, the blade is moved, by cooperation of the probe land and the associated relief of the key, in a position where it is fully received in the barrel. In this position, the blade does not hinder the rotation of the barrel.
  • the key inserted in the barrel has a relief different from the relief of the key adapted to the lock
  • the cooperation of the feeler relief of the blade and this relief of the key causes a different displacement of the blade.
  • the blade protrudes out of the barrel by one of the slots provided in the barrel.
  • the blade is then partially received in one of the housings provided for this purpose in the front block 60A. In this case, the rotation of the barrel is prevented because the blade, rotated by the barrel, comes into contact with the walls of the housing in which it is received.
  • the blade In the absence of a key in the lock, the blade is returned to a position where it protrudes out of the barrel and thus prevents the rotation of this barrel.
  • the blade can be recalled in this position for example by means of a spring disposed in the barrel.
  • a so-called tipping device can also be implemented as an anti-burglary security device.
  • This device comprises a rocker formed for example by a metal blade.
  • the blade preferably has a "U" shape.
  • the metal blade is rotatably mounted in the front block 60A.
  • the blade is adapted to pivot about an axis substantially parallel to the axis of rotation of the barrel.
  • the blade has first and second ends, opposite, adapted to penetrate alternately into corresponding slots provided in the barrel, by pivoting the blade. When one end of the blade is received in the slots formed in the barrel, rotation of the barrel is prevented.
  • the blade In the absence of any key, the blade is returned to a locking position of the lock, for example by means of a return spring mounted between the front block 60A and the blade. In this locking position, the first end of the blade is received in the corresponding slot formed in the barrel.
  • the key adapted to the lock then has a relief adapted to control the movement of a pin disposed in a passage formed in the barrel. This passage forms the extension of the slot in which the first end of the blade protrudes in the absence of a key.
  • the key adapted to the lock has, more specifically, a relief adapted to move the pin so that it pushes the first end of the blade just outside the barrel.
  • the interface between the pin and the end of the blade is then at the border between the barrel and the front block 60A forming the stator.
  • the rotation of the blade in this case, is however insufficient so that the second end of the blade does not enter the corresponding slot. As a result, neither of the ends of the blade being received in one of the slots formed in the barrel, the rotation of the barrel is released.
  • the movement of the pin is either less important or more important than its displacement caused by the key adapted to the lock.
  • the first end of the blade is not pushed entirely out of the slot formed in the barrel. As a result, this first end prevents rotation of the barrel.
  • the first end of the blade is certainly pushed out of the barrel, but then the rotation of the blade implies that the second end, opposite the first end, enters the corresponding slot formed in the barrel. This second end then prevents rotation of the barrel around its axis of rotation. The lock is thus blocked in both cases.
  • the end of the blade can open into the slot for receiving the key, the profile of the key causing the tilting of the rocker to release the rotation of the barrel
  • a magnetic break-in device can also be implemented.
  • a magnet is formed in a housing pierced in the front block 60A.
  • the barrel has, opposite this housing, a passage adapted to let the magnet pass.
  • the magnet is slidably mounted in the housing and the passage.
  • the magnet is recalled, for example by a spring or by gravity, in a position where it extends both in the barrel and in the housing formed in the front block 60A, to thereby block the rotation of the barrel relative to the front block 60A.
  • the key adapted to the lock has a magnet whose polarity and intensity of the magnetic field are adapted to push the entire magnet in the housing formed in the front block 60A. In this case, the barrel is no longer prevented from rotating about its axis of rotation so that the lock can be unlocked.
  • the magnet When the key presents, by cons; a magnet that is not adapted to the magnet present in the lock - for example because it has a polarity opposite to the polarity of the magnet present in the lock - then the magnet extends both in the housing formed in the front block 60A and in the passage formed in the barrel. The rotation of the barrel is then prevented.
  • An electro-piston burglar-proof device can also be implemented.
  • at least one electro-piston is mounted in the front block 60A.
  • the barrel has a housing adapted to receive a portion of the electro-piston. In the absence of any key in the lock, the electro-piston protrudes into the housing formed in the barrel to block the rotation of the barrel.
  • the front block 60A also comprises a transmitting and receiving unit (possibly a transmitting unit and a separate receiving unit) adapted to communicate with a transponder of the key adapted to the lock to control the movement of the electro-piston.
  • the key adapted to the lock has a transponder adapted to control the retraction of the electro-piston so that it no longer protrudes into the housing formed in the barrel. In this case, the rotation of the barrel is not prevented by the electro-piston.
  • the transponder may be provided in the key itself or in the key ring, that is to say the part of the key remaining outside the lock, allowing the operation of the key.
  • the electro-piston is not moved. It then continues to project into the housing in the barrel so that the rotation of the barrel is prevented. The lock is then locked.
  • FIG 2A represents a variant of the embodiment of figures 1 and 2 which differs only in the manner in which the front block 60A is connected to the rear block 60R.
  • the unchanged elements will not be described again and all the references are retained, but with a suffix B for the modified elements.
  • the essential modification relates to the fact that the beam 70B consists of two separate sections, that is to say two beams connected end to end.
  • the front section 71 has become a separate end 71B with a rear transverse surface 71F, here substantially radial, which, by connecting and fixing elements, is connected to the rest or rear section, referenced 71C, of the beam 70
  • the beam 70 is now a broken beam 70B in two and repaired, with two radial facing surfaces, namely the rear surface 71F and a surface radial end 70F of the rear section 71C, located substantially at a rear plane of the front block 60A and constituting a lower zone in flexion or torsion, of breaking primer.
  • the fasteners therefore have a much lower flexural strength of the beam 70B than the original beam 70, so that any attempted break-in will more easily result in movement of the front block 60C, and thus thus by a definitive locking by the croc 10C.
  • the rear section 71C may be constituted by a separate beam element or, as drawn, it is integrated in one piece with the rear control block 30R, which it constitutes a lower part.
  • the fastening elements here are two parallel or axial parallel pins or tabs 71P located on each side of the end piece 71B and extending rearwardly, during assembly of the lock, to slide in two respective grooves 70R, having a U-shaped cross-section, of the rear section 71C.
  • the grooves 70R thus represent the complementary machining above.
  • the purely axial orientation above is only a special case.
  • the lower and upper edges 70V of the grooves 70R are perpendicular to the plane of a groove bottom 70S, that is to say they constitute shoulders opposing any vertical movement of the tab 71P towards them.
  • the bottom 70S of the grooves 70R is in a respective axial and vertical plane and the edges 70V are therefore axial and horizontal, the frontal profile of the grooves thus being rectangular It could however be provided dovetail, so with a bottom width 70S greater than a slot width at the surface.
  • the tip 71B can be mounted on a conventional lock, with a minimum of complementary machining thereof, to create the grooves 70R of attachment and the croc 10C and the front bevel 20C definitive locking of the lock. It is therefore a technical upgrade (in English: revamping) of old locks to protect them.
  • a radial pin 72 engages the lugs 71P by a respective hole 71T, here in a rear end section 71E which is then aligned with a through hole 70T of the rear section 71C.
  • the tabs 71P have sufficient rigidity not to tend to deviate mutually and thus out of grooves 70R.
  • the pin 72 could be omitted and replaced by a ratchet mechanism consisting, for example, of at least one hook carried by at least one of the tabs 71P, preferably by its rear end section 71E for that the lug 71P considered is a laterally elastic tab folds, end of stroke, the hook, rotated radially towards the other lug 71P, in a recess in a rear section of the bottom 70S of the groove 70R considered.
  • a ratchet mechanism consisting, for example, of at least one hook carried by at least one of the tabs 71P, preferably by its rear end section 71E for that the lug 71P considered is a laterally elastic tab folds, end of stroke, the hook, rotated radially towards the other lug 71P, in a recess in a rear section of the bottom 70S of the groove 70R considered.
  • the above ratchet hook is replaced by a circlip clamp half-ring which is housed in a groove extending generally in a rounded U, in a radial plane, of which a lower section of groove forms substantially a semicircle formed in the surface of the rear section 70R and two groove free end portions, substantially vertical, are formed in the radially outer surface of the respective lugs 71P.
  • a corresponding section free end of the circlip pliers, thus housed is a kind of pin or ligation preventing, by its shear resistance in the axial direction, any withdrawing movement of the tip 71B forward.
  • a single lug or pin 71P penetrating into a connecting passage such as the groove 70R, but preferably closed dovetail or completely closed laterally and forming an axial fixing hole by plugging opening frontally of the rear section 71C.
  • the tab 71P and the groove 70R or the axial fixing hole are of cross-sections adjusted and non-circular to avoid spurious rotation if no other element is provided for this purpose. effect.
  • the coupling between the front 71B and 71C rear sections can be performed by a mortise or dovetail coupling, that is to say that one of the two facing radial surfaces 70F and 71F comprises a transverse profile U-shaped groove in side view of the lock, branches with free ends folded towards one another, and the radial surface opposite has a rib of the same profile. If the direction of extension of the groove and the rib is for example horizontal, the assembly is therefore carried out by a horizontal translation of one relative to the other. To ensure that the translation is maintained in the final position, an axial pin can be provided, passing through the end piece 71B to enter a blind hole in the front surface of the rear section 71C.
  • the groove and the rib above are of limited length and are terminated by two respective abutments coming into contact when the end piece 71B, and therefore also the front section 60A, has reached the desired lateral translation position, c ' that is, the desired lateral centering.
  • the pin may be omitted if a pawl is provided to prevent reverse lateral translation.
  • connection mechanisms above can be reversed front-back, that is to say that it can be the rear section 71C which carries the male element, that is to say the one or more 71P paws or functional equivalents.
  • the passage 61, housing the front section 71B is not through, that is to say that it has a passage section corresponding to a passage gauge decreasing backward until to a minimum clearance template, for example frustoconically, and the tip 71B then has a template, preferably of the same frustoconical shape, maximum bulk greater than the minimum clearance template.
  • the decrease of the clearance template may also not be progressive but be located at a rear wall partially closing the passage 61 to let pass or 71P lugs.
  • the passage 61 is omitted and the tip 71B is reduced to one or more tabs 71P whose front end is fixed on a rear surface area of the front block 60A.
  • the above attachment may be of the irremovable type, for example by welding or gluing, or removable, for example by plugging into a cavity formed in the rear surface of the front block 60A.
  • Such plugging may be provided to have only a limited resistance to torsion, that is to say either a rotational force of the front block 60A about an axial direction parallel to the axis 50 or a force of tilting the front block 60A out of its radial plane.
  • the limitation of resistance is for example obtained by a plug-in coupling having only a very limited torque of resistance to tilting.
  • the plugging can be carried out over a very limited length and / or by coupling by a front end section nose rounded sphere portion or ellipsoid or equivalent.
  • the nose is for example formed of a half-sphere end portion and a short end portion carrying portion.
  • the nose is fully plugged in, so to a depth slightly exceeding the sphere radius, so that it constitutes a kind of ball joint blocked in tilting only by the wall of the mouth region of the housing recess situated opposite the short bearing section. Any parasitic tilt force therefore focuses on a small volume of mouth wall metal and can eventually pull out the corresponding metal.
  • the front block 60A disengages from the rear section 71C as soon as a breakout force threshold is crossed, and it causes the final lock of the lock.
  • the rectangular transverse profile of the grooves 70R may be inverted dovetail, that is to say, U-shaped branches deviating in "V" from the bottom, so external slit wider than the bottom 70S.
  • this 70V edge is, contrary to a dovetail, sloping radially outwardly, the vertical reaction force exerted on the tab 71P therefore, by wedge effect, induces a component reaction force.
  • the lug 71P may in particular constitute an axial safety control zipper, the function of which is described with reference to FIGS. Figures 5 to 7 .
  • the front block 60A is therefore, during its tearing, an operating member of a member (10C) for locking the lock. It may alternatively or additionally be provided that it controls any other locking element of the barrel 20 or of the kinematic chain constituting the bolt actuating mechanism, controlled by the rotation of the barrel 20, that is to say say the bit 55 or equivalent and downstream elements of this chain to the bolt.
  • the rear block 60R then comprises, as illustrated schematically on the figure 5 , an axial safety control zipper 80 having a front end, for example a hook 10C of the croc type 10C, will be coupled to the front block 60A.
  • the safety control pull 80 is guided here by two collars 88, 89 carried by the outer surface 12 of the rear housing section 10R.
  • the safety control pull 80 may also be provided for sliding in the thickness of the wall of the housing 10.
  • the safety control lever 80 moves a locking element, here a finger 82 carried by a radially internal section 81, out of a rest position for, in the active position, to lock the rotation of the barrel 20 or the rotation of the blade 55 or other.
  • the safety control zipper 80 operates only in forward traction, that is to say that it can be rigid or comprise at least one flexible section.
  • any return control of the locking element to its rest position is impossible. Otherwise, the locking element is provided to be locked in return, by a pawl or the like, or even the safety control zipper 80 is not mounted integral with the locking element, that is to say say that it can only pull it forward to the lock position.
  • the controlled locking finger 82 is movable in translation, here axial, to penetrate into a radial groove or a simple cavity 20K, preferably flanks steep, formed in a rear end face 20P of the barrel 20 opposite the front face 20F, thereby constituting a "safety catch or safety". It is therefore a blocking generally of the same kind as that provided with the chamfer before 20C.
  • the safety control pull tab 80 does not go axially up to the level of the rear face 20P of the barrel 20, and that the barrel 20 has, at an intermediate axial level, a circular groove housing a notch safety device, at rest, to allow rotation of the barrel 20, and which, according to the above principle, may, in the event of an attack, penetrate into a groove, or a simple cavity, of a front flank of the throat . It is therefore a variant in which the locking assembly drawn at the end of the barrel 20 would be housed in the groove above.
  • the wall of the rear section 10R then comprises a slot for the passage and the axial displacement of the radial section 81, the rear section 10R being limited to essentially two axially spaced collars.
  • the finger 82 being mounted as a piston 33, with a specific command by the safety control zipper 80, for example by a ramp, lateral thereto, and partially turned forward, for wedge action pushing the piston finger 82 if the safety control zipper 80 slides forward.
  • the safety control puller 80 controls a lever which returns a safety catch in a recess in the cylindrical periphery side surface 29 of the barrel 20 or in its rear face 20P.
  • the safety control pull 80 can also be provided to block the blade 55. Various possibilities are offered.
  • the safety control rod 80 controls the axial advance of a first arm of an inverter lever, a second arm constituting a locking pin 82, will move axially for blocking any rotation of the blade 55, for example by intruding into its rotating operating space, thus forming a stop, or by penetration into a lateral cavity of the blade 55, that is to say facing towards the front of the blade; lock.
  • the blocking element of the blade 55 is integrated therein, for example in the form of a locking finger in the form of a second zipper 95, controlled by a safety control zipper 90 to said front hook here referenced 90C, so that the second pull 95 increases, in view in an axial plane, a template for the rotational occupation of the bit 55 thus equipped, to make it incompatible with a template for passage in rotation which is reserved in the middle space slice 101.
  • the controlled puller 95 traverses the blade 55 slidably and is slaved to the safety control zipper 90.
  • the controlled pull 95 is, for example, like the other sliding in a direction parallel to the axis 50, it is in the middle space wafer 101 situated between the respective radial planes of a rear edge 10P of the housing 10 and the plane homologous to a rear edge of the housing 101.
  • the safety control zipper 90 comes into contact with a hook 96 for operating the controlled pull tab 95, for example a hook with a radial extension, to draw the latter forward and thus bring a front finger 97 into a notch 10K formed in the rear edge 10P of the wall of the rear section 10R.
  • the clearance template of the blade 55 is thus increased by the increase of the lateral projection formed by the finger 97, towards the front, of its controlled zipper 95. It is therefore sufficient to provide that the frame 60 has, in the middle space wafer 100, in sectional view along said axial plane, a template for rotating the blade 55 which is incompatible with the extension provided to the occupancy mask of the bit 55 equipped , due to the advance of the controlled zipper 95 that it carries.
  • the rear block 60R will thus comprise, in an area close to a radial plane containing the rear face 20P of the barrel 20, a stop, with a somewhat axial extension towards the rear, here a pair of rear axial fingers delimiting a said 10K notch receiving the finger 97, blocking the circular path movement of the free end, before the controlled pull 95, movement that tends to impart the cylinder 20, since the controlled pull 95 is functionally part of the blade 55.
  • the zipper commanded 95 therefore acts alarm flag.
  • the safety control zipper 80 it can be provided a push rod which will have the same locking effect, by maneuvering a finger or safety catch, controlled directly backwards or maneuvered in any direction wanted by a lever mechanism.
  • the principle of the mechanisms of Figures 5 to 7 may be repeated for this purpose.
  • front block 60A then comprises, possibly hidden behind a front wall, a radial plate made of a material preferably of great hardness to encourage to exert a large drilling support force, for example ceramic, mounted movable in axial recoil and carried by a front end of the push rod.
  • a command button such as a computer keyboard key.
  • the front block 60A is, for a burglar, a kind of bait to attack to access the rear block 60R, and any such attack will cause a blocking permanently condemning the lock, this blockage thus occurring in an initial phase, prior to the attack of the rear block 60R.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Lock And Its Accessories (AREA)
  • Component Parts Of Construction Machinery (AREA)
EP09006328A 2008-05-23 2009-05-11 Schließmechanismus, der eine Schutzverkleidung umfasst Active EP2123851B1 (de)

Priority Applications (2)

Application Number Priority Date Filing Date Title
SI200930459T SI2123851T1 (sl) 2008-05-23 2009-05-11 Zaporni mehanizem, ki obsega ščitnik
PL09006328T PL2123851T3 (pl) 2008-05-23 2009-05-11 Mechanizm zamka zawierający osłonę

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0802804A FR2931506A1 (fr) 2008-05-23 2008-05-23 Mecanisme de serrure comportant un bouclier
FR0804529A FR2931507A1 (fr) 2008-05-23 2008-08-08 Mecanisme de serrure comportant un bouclier

Publications (2)

Publication Number Publication Date
EP2123851A1 true EP2123851A1 (de) 2009-11-25
EP2123851B1 EP2123851B1 (de) 2012-10-31

Family

ID=41059734

Family Applications (1)

Application Number Title Priority Date Filing Date
EP09006328A Active EP2123851B1 (de) 2008-05-23 2009-05-11 Schließmechanismus, der eine Schutzverkleidung umfasst

Country Status (5)

Country Link
EP (1) EP2123851B1 (de)
ES (1) ES2399879T3 (de)
FR (1) FR2931507A1 (de)
PL (1) PL2123851T3 (de)
SI (1) SI2123851T1 (de)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITPN20130039A1 (it) * 2013-07-08 2015-01-09 Disec S R L Dispositivo di protezione per serrature a cilindro europeo, in particolare di tipo modulare
EP2466038A3 (de) * 2010-12-14 2015-09-02 Window Fabrication & Fixing Supplies Limited Verbesserungen im Zusammenhang mit Sperranordnungen
EP2826933A3 (de) * 2013-07-19 2016-02-24 La Industrial Cerrajera S.A. Schließzylinder mit einer Verbindungsbrücke
FR3026769A1 (fr) * 2014-10-01 2016-04-08 U-Shin France Sas Verrou pour mecanisme de serrure de vehicule automobile
FR3071531A1 (fr) * 2017-09-26 2019-03-29 Doortal Systems Bouclier de porte blindee pour proteger la serrure de cette porte
CH715832A1 (de) * 2019-02-12 2020-08-14 Dormakaba Schweiz Ag Schliesszylinder.

Citations (5)

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Publication number Priority date Publication date Assignee Title
FR2590533A1 (fr) * 1985-11-25 1987-05-29 Turatti Mario Dispositif antivol de blocage de direction pour vehicules automobiles
DE8633108U1 (de) * 1986-12-10 1988-04-07 Geco Gmbh Sicherungstechnik, 2084 Rellingen, De
US4961328A (en) * 1988-11-12 1990-10-09 Erich Mundhenke Lock bit arresting cylinder lock
DE20021352U1 (de) * 2000-12-16 2001-03-22 Winkhaus Fa August Schließzylinder
EP1209305A1 (de) * 2000-11-27 2002-05-29 Ikon Aktiengesellschaft Präzisionstechnik Baukastensystem zur Zusammenstellung von Schliesszylindern

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DE663917C (de) * 1936-01-28 1938-08-17 Zeiss Ikon Akt Ges Goerzwerk An einem Tuerschloss zu befestigendes Zylinderschloss
DE10041650B4 (de) * 2000-08-24 2004-03-25 Dom-Sicherheitstechnik Gmbh & Co. Kg Zylinderschloss
GB0112750D0 (en) * 2001-05-25 2001-07-18 Fullex Ltd Cylinder locks
GB2372535B (en) * 2002-06-29 2003-04-16 Security Products Uk Ltd Lock
IL155823A (en) * 2003-05-08 2010-05-31 Mul T Lock Technologies Ltd Cylinder lock with adjustable length

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2590533A1 (fr) * 1985-11-25 1987-05-29 Turatti Mario Dispositif antivol de blocage de direction pour vehicules automobiles
DE8633108U1 (de) * 1986-12-10 1988-04-07 Geco Gmbh Sicherungstechnik, 2084 Rellingen, De
US4961328A (en) * 1988-11-12 1990-10-09 Erich Mundhenke Lock bit arresting cylinder lock
EP1209305A1 (de) * 2000-11-27 2002-05-29 Ikon Aktiengesellschaft Präzisionstechnik Baukastensystem zur Zusammenstellung von Schliesszylindern
DE20021352U1 (de) * 2000-12-16 2001-03-22 Winkhaus Fa August Schließzylinder

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2466038A3 (de) * 2010-12-14 2015-09-02 Window Fabrication & Fixing Supplies Limited Verbesserungen im Zusammenhang mit Sperranordnungen
ITPN20130039A1 (it) * 2013-07-08 2015-01-09 Disec S R L Dispositivo di protezione per serrature a cilindro europeo, in particolare di tipo modulare
EP2824258A1 (de) * 2013-07-08 2015-01-14 Disec S.r.l. Sicherheitsvorrichtung für einen europäischen Schliesszylinder, insbesondere von modularer Bauart
EP2826933A3 (de) * 2013-07-19 2016-02-24 La Industrial Cerrajera S.A. Schließzylinder mit einer Verbindungsbrücke
FR3026769A1 (fr) * 2014-10-01 2016-04-08 U-Shin France Sas Verrou pour mecanisme de serrure de vehicule automobile
FR3071531A1 (fr) * 2017-09-26 2019-03-29 Doortal Systems Bouclier de porte blindee pour proteger la serrure de cette porte
CH715832A1 (de) * 2019-02-12 2020-08-14 Dormakaba Schweiz Ag Schliesszylinder.
EP3696348A1 (de) * 2019-02-12 2020-08-19 dormakaba Schweiz AG Schliesszylinder

Also Published As

Publication number Publication date
ES2399879T3 (es) 2013-04-04
SI2123851T1 (sl) 2013-02-28
FR2931507A1 (fr) 2009-11-27
EP2123851B1 (de) 2012-10-31
PL2123851T3 (pl) 2013-04-30

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