Classifications

• • 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
  • E05B9/045—Modular casings for adjusting the length of cylinder locks
• • 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 the field of locksmithing and more precisely the locksmith assemblies comprising cylinders with a so-called European profile.
• cylinders housed in a lock and whose actuation by a suitable key makes it possible to control the opening or closing of this lock.
• These cylinders comprise a stator inside which is adapted to rotate a rotor when a key of dimensions and adapted shapes is inserted.
• the end of the rotor facing outwardly of the lock has a key insertion slot while the opposite end of the rotor, all the way towards the inside of the lock, is extended axially out of the stator by means of clutch of a rotary member for actuating the bolt of the lock.
• cylinders with a European profile are those in which the cylinder body has a lateral extension of substantially elongate shape.
• the lateral extension is disposed vertically under the body of the cylinder.
• Known European profile cylinders with two inputs which consist of a one-piece cylinder which has at each axial end a key insertion slot, so that a single cylinder re, of length substantially equal to the thickness of the door, allows to present an insertion slot on both sides of the door.
• a central rotary member is adapted to be housed in the center of this monobloc cylinder so as to engage with each of the two rotors.
• These cylinders have a standard size, in industrial manufacture, so that it is not possible to adjust to the thickness of a door slightly different from the standards without the end of the rotor forming the entrance face the key just protrudes slightly from the door.
• the size of the one-piece bar to be used depending on the thickness of the door is chosen so that it extends from one to the other of the so-called European profile half-cylinders.
• the patent document ⁇ 067040 discloses such a device, which however has the disadvantage of remaining in an assembly where it is not possible to exactly adjust the length of the bar to the required size and where there is therefore the risk that the outer cylinder protrudes from the door, even slightly.
• the invention is intended to design a locksmith assembly that allows a possible adjustment to a door of non-standard thickness, so as to prevent the cylinder from protruding from the door and thus to eliminate any possibility of grab the cylinder from the outside with pliers to break it.
• the invention thus proposes, in this context, a device for coupling two half cylinders with a so-called European profile by a bar system, wherein said system comprises two bars each having a first end adapted to be fixed to one of the half rolls and a second end hooked to an intermediate connecting piece which extends longitudinally between the half rolls, by via hooking elements carried respectively by said connecting piece and by said second end of the bar.
• the device is adjustable in that it allows multiple positions of cooperation, a bar and / or the connecting piece having longitudinally a succession of said hooked elements so as to allow the longitudinal adjustment of the coupling between said bar and said connecting piece.
• the hooking elements advantageously take the form of notched means arranged in longitudinal series, having a longitudinal succession of notches and ribs.
• the intermediate piece has a central base and side connection parts to the bars arranged longitudinally on either side of the base. It is these lateral parts which carry a longitudinal succession of hooked elements, adapted to cooperate with corresponding hook elements made on a connecting tab which extends one of the ends of the bar.
• the connecting lug of a bar and the lateral part of the connecting piece have section portions which complement each other when they are coupled to cover a section equivalent to that of the bar. Thus, they ensure a continuous shape in the axial extension of the bar when they are coupled and thus improves the rigidity of the assembly by the continuity of the section.
• the intermediate piece is made of a more robust material than the material of the bars.
• it has the advantage of solidifying this assembly area, compared to a monobloc strip, while it is this area that presents the most risk of rupture during an attempted break-in.
• the invention also relates to a locksmith assembly in which two half-cylinders with a so-called European profile, each comprising a lateral extension of a body in which a stator is a receiver of a driving rotor of a rotary lock-control element. , are coupled by an adjustable device.
• the device is adjustable in that it comprises two bars each adapted to be housed in a recess formed in each of the lateral extensions and to extend projecting from the corresponding half-cylinder to cooperate with a intermediate piece of connection disposed between the two bars.
• the bars extend below the axis common to the rotors and to the rotary control element.
• the connecting piece is arranged longitudinally at the level of the rotary control element and has a flat on its upper face to allow passage to this rotating element;
• Means are provided for fixing the bar in the lateral extension and the walls delimiting recess of the lateral extension block in position transversely the bar and the part of the connecting piece housed therein;
• the rotors are adapted to drive a rotary element by means of clutch means, which have a longitudinal dimension equivalent to that of the bars, and spacers forming spacer wedges are arranged at the output of the rotors of the half-cylinders so as to to extend the clutch means so that they can transmit the rotational force from the rotors to the rotary member.
• Figure 1 is a perspective view of the coupling device of two half-cylinders according to the invention.
• FIG. 2 is a perspective view similar to the view of FIG. 1, in which the elements of the coupling device are shown in an exploded view;
• FIG. 3 is a perspective view, on the other side of the axis of the device with respect to FIGS. 1 and 2, of a lock assembly comprising the coupling device of FIG. 1, in which FIG. shown for ease of understanding an assembled half-cylinder and a half-cylinder in exploded view; and
• FIG. 4 is a top view of the coupling device of Figure 1.
• the coupling device 2 makes it possible to connect two European half-cylinders 4, and this device mainly comprises two assembly bars 6 adapted to be each fixed on one of the half-cylinders. as well as an intermediate connecting piece 8 which extends longitudinally between the two bars and on which the free end of the bars is reported.
• This coupling device is integrated in a lock assembly, as illustrated by way of example in FIG. 3, which comprises two European half-cylinders adapted to be arranged facing each other in the thickness of the door, one inward, the other outward.
• the device is particularly interesting because it is adjustable so that it manages the distance between the two half-cylinders, as will be described below.
• Each so-called European profile half-cylinder comprises a first portion forming a cage 10 of circular section and a second portion forming a lateral extension 12 of this cage.
• the cage is pierced with a longitudinal through bore 14 adapted to receive an assembly formed of a rotor 16 and a stator 18 respectively pierced with radial holes 20 to accommodate a set of pins and pins not shown.
• a holding screw crosses the lateral extension to open into the bore through the cage so as to lock the stator in position, only the rotor being adapted to rotate inside the stator under the effect of its actuation by an adequate key.
• the insertion into the rotor of a key of the shapes and dimensions adapted allows the correct setting of this set of pins for unlocking in rotation of the rotor.
• Each of the half cylinders is oriented in the door so that the insertion slot of the key 22 is accessible from outside the door.
• the inside face of the cylinder 24 is called the face which is arranged in the thickness of the door and the outside face of the cylinder 26 is called the face which is accessible for the user to insert his key, whether it be on one side or the other of the door.
• a shielding piece 28 in which a cutout equivalent to the insertion slot is provided, is pressed against the face of the outwardly facing rotor.
• the rotation of one of the rotors by the action of the key causes the rotation of a rotary element 30, bit or gear, arranged between the rotors 16 as shown in Figure 3.
• the rotary member 30 is intended for actuation of the bolt of the lock.
• the end of the rotor facing the inside of the door is extended longitudinally out of the stator by clutch means of the rotary member 32.
• the rotary element is hollowed at its center to receive a driver 33 adapted to cooperate with either the clutch means specific to the rotor of one of the half-rolls, or the clutch means specific to the rotor of the other half-cylinder, according to the half-cylinder in which the key is inserted.
• each of the half cylinders of the lock assembly is a so-called European profile half-cylinder, that is to say that it comprises a lateral extension of the housing housing stator and rotor.
• the lateral extension 12 extends vertically under the cage 10 housing the stator and the rotor.
• the lateral extension extends longitudinally over the entire length of the half-cylinder.
• a recess 34, of oblong section in the vertical and transverse plane extends longitudinally inside the lateral extension, from the inner face of the cylinder to a bottom wall which extends vertically away from the outer face of the cylinder.
• a shielding piece is provided which extends inside the lateral extension between the outer face and the recess.
• the half cylinders are connected longitudinally by the coupling device, at the height of the lateral extensions, so that the coupling device extends under the axis of the rotors and under the rotating element.
• Each of the bars is fixed in the recess of the lateral extension, via a through fastening means, adapted to be housed in a bore transverse to the cylinder 36 and in a corresponding bore 38, of substantially the same diameter, transverse to the bar.
• the intermediate coupling part 8 should be placed under the rotating element. It is indeed this piece intermediate, as will be described below, which has a shape adapted to allow passage to the rotary control element for its good rotation. It is then understood that the longitudinal position of the intermediate connecting piece is fixed by the design of the lock and the location of the bolt, and that the adjustable connection device according to the invention makes it possible to propose bars of greater or lesser size. depending on the position of the intermediate piece and the distance between it and the half cylinders to be connected. As illustrated in the figures, it is possible to use in the device of the invention strips of different lengths.
• the clutch means extending the rotor towards the rotary control element may be larger or smaller.
• shims 39 of section equivalent to that of the European cylinder which form a spacer between the inner face of the cylinder and the rotary element are provided. These wedges make it possible to stiffen the assembly and to ensure the longitudinal guidance of the bar and the clutch means.
• the coupling device according to the invention adjustable in that it allows multiple positions of cooperation of each of the bars relative to the intermediate connection piece.
• Each of the bars has the general shape of a longitudinal bar of oblong section, slightly smaller in size than the recess of oblong section of the lateral extension of the cylinder.
• a first end 40 has a straight face, perpendicular to the axis of the bar. This first end is adapted to be inserted into the half-cylinder, and the correct positioning of the bar is determined when the right end face of the bar is in abutment against the bottom wall of the recess. In this position, the bar is fixed inside the cylinder by fixing means through the bores 36 and 38.
• the bar has on a certain longitudinal dimension a connecting lug 42 having with respect to the bar a reduced section area by a flattened longitudinally and parallel to the long side of the oblong shape.
• the flat is shifted transversely relative to the median plane of the strip parallel to the long side thereof.
• the connecting lug has a portion of oblong section, more or less thick according to the transverse offset of the flat, with an assembly face 44 formed by the flat part extending between a shoulder 46 formed by the complete section. of the bar and a flange 48 which corresponds to the end of the bar facing the intermediate fitting part.
• the connecting face 44 of the connecting lug has hooking elements 50, so that each of the bars can be connected to the intermediate piece by the cooperation of these hooked elements and hung elements.
• the hooking elements are respectively arranged on the connecting faces of the connecting lugs and on the connecting piece in longitudinal series, and one or the other of the elements of a series is made to correspond with one or the other of the series of complementary elements. This allows the adjustment of the hook distance between a bar and the connecting piece.
• the intermediate connecting piece 8 comprises a central base 54 and two lateral parts 56 arranged longitudinally on either side of the base.
• each of the lateral parts has a portion of oblong section, more or less thick depending on the transverse offset of the flat, with an assembly face 58 formed by the flat portion extending between a shoulder formed by the central base and a fallen edge 60 which corresponds to the lateral end of the intermediate connecting piece.
• the hooked elements of the device according to the invention are arranged in longitudinal series. In these series it will be possible to distinguish distal hook elements, which are the hook elements arranged at the free end of the connection lug or of the corresponding lateral part, and proximal hook elements.
• the hook elements take the form of notched means.
• the female hooking means are assimilated to the different successive notches, that is to say the notches 62 made in the assembly face, and the male hooking means to the resulting ribs 64 arranged between each notch.
• the shape of these hook elements can vary, without departing from the context of the invention, since the cooperation of complementary hooking elements allows the longitudinal locking of the bar concerned with respect to the intermediate piece of connection and the relative displacement of these two parts in a direction transverse to the assembly faces, before this relative movement is blocked by the insertion of the assembly in the recess of the lateral extension, as will be described below.
• Each notched longitudinal series forms a succession of notches and ribs which extend on the assembly face perpendicularly to the longitudinal axis of the bar or the intermediate connecting piece.
• the notches extend over the entire height of the assembly face, the height here denoting the dimension of largest side of the oblong section of the bars and the connecting piece.
• the notches and the ribs have dimensions adapted to the achievement of an effective coupling, in which the bars can not escape longitudinally with respect to the intermediate fitting part.
• the pitch between each notch of a series is advantageously 2.5 mm, which allows a very fine adjustment of the set of locksmithing in which is integrated the device according to the invention.
• the base of the intermediate piece has a flat upper face 66, made by a flat so that the height of the base is less than that of the side portions.
• the width of the base is at least equal to the width of the rotary control element, so that the clearance created by the flat part forming the upper face of the base allows the rotation of the rotary element when that is driven by one of the rotors.
• the base further comprises a transverse bore 68, adapted to receive a screw for fixing the connecting piece in the thickness of the door.
• the connecting lugs and the lateral parts of the connecting piece have a shape of oblong section portion. These portions have complementary dimensions such that, when the connecting lugs and the side portions are coupled, the assembly covers a section equivalent to that of the bars. Thus, it ensures a continuous shape in the longitudinal extension of the bar and improves the rigidity of all by the continuity of the section.
• such an assembly can be housed in recess of the lateral extension of the half-cylinder, and if necessary. in the corresponding recess of the lateral extension of the shims arranged facing the half-cylinder, the walls delimiting the recesses of these extensions ensuring locking in position of the intermediate connecting piece with respect to the bar secured to the cylinder by the fixing means through.
• a first extreme adjustment position, corresponding to the maximum approach position of the two half-cylinders, is defined when each of the bars is abutted by its shoulder against the corresponding lateral end of the connecting piece, while the opposite end position, corresponding to the maximum spacing of the two half-cylinders, is obtained when, for each bar, is made to cooperate with the distal hanging elements of the bars with the corresponding distal hook elements of the side portions of the intermediate connecting piece.
• we adjust the distance between the cylinders by choosing which elements hooked different longitudinal series present on the bars and on the connecting piece is cooperating with each other.
• the relative position to be given to the webs relative to the intermediate coupling piece before determining this position is first accurately determined. Then, successively, the plating of a bar against one of the lateral parts is carried out, then the assembly is inserted into the recess of the lateral extension of one of the half-rolls up to the abutment against the bottom wall of the recess, and the bar is fixed in the half-cylinder by a pin.
• This direct attachment of the bar indirectly blocks the intermediate connecting piece both by the cooperation of the hooking elements which prevents the release of the intermediate connecting piece in the plane of the contact face and the presence of the walls of the recess which prevents the transverse clearance of the intermediate fitting part.
• such an embodiment is particularly advantageous in that it makes it possible to produce the bar and the intermediate piece of connection in two different materials. It will then be possible to provide the intermediate fitting part in a more robust material, such as stainless steel, that the material in which the bars are made.
• a more robust material such as stainless steel

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• Mechanical Engineering (AREA)
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Priority Applications (6)

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Publications (1)

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Citations (5)

• 2013
  • 2013-06-14 FR FR1301374A patent/FR3007057B1/fr not_active Expired - Fee Related
• 2014
  • 2014-06-13 PT PT147413645T patent/PT3008263T/pt unknown
  • 2014-06-13 CA CA2914127A patent/CA2914127C/fr active Active
  • 2014-06-13 PL PL14741364T patent/PL3008263T3/pl unknown
  • 2014-06-13 ES ES14741364.5T patent/ES2651847T3/es active Active
  • 2014-06-13 EP EP14741364.5A patent/EP3008263B1/fr active Active
  • 2014-06-13 NO NO14741364A patent/NO3008263T3/no unknown
  • 2014-06-13 DK DK14741364.5T patent/DK3008263T3/en active
  • 2014-06-13 TR TR2017/20087T patent/TR201720087T4/tr unknown
  • 2014-06-13 WO PCT/IB2014/001056 patent/WO2014199224A1/fr active Application Filing

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