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EP0121454B1 - Dispositif de repérage pour câble - Google Patents

Dispositif de repérage pour câble Download PDF

Info

Publication number
EP0121454B1
EP0121454B1 EP84400385A EP84400385A EP0121454B1 EP 0121454 B1 EP0121454 B1 EP 0121454B1 EP 84400385 A EP84400385 A EP 84400385A EP 84400385 A EP84400385 A EP 84400385A EP 0121454 B1 EP0121454 B1 EP 0121454B1
Authority
EP
European Patent Office
Prior art keywords
base plate
marker device
legs
cable
assembly
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
EP84400385A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0121454A1 (fr
Inventor
François Sarton
Jean-Pierre Barriuso
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.)
Legrand SA
Original Assignee
Legrand 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
Application filed by Legrand SA filed Critical Legrand SA
Publication of EP0121454A1 publication Critical patent/EP0121454A1/fr
Application granted granted Critical
Publication of EP0121454B1 publication Critical patent/EP0121454B1/fr
Expired legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B7/00—Insulated conductors or cables characterised by their form
    • H01B7/36—Insulated conductors or cables characterised by their form with distinguishing or length marks
    • H01B7/368—Insulated conductors or cables characterised by their form with distinguishing or length marks being a sleeve, ferrule, tag, clip, label or short length strip
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F3/00—Labels, tag tickets, or similar identification or indication means; Seals; Postage or like stamps
    • G09F3/08—Fastening or securing by means not forming part of the material of the label itself
    • G09F3/18—Casings, frames or enclosures for labels
    • G09F3/20—Casings, frames or enclosures for labels for adjustable, removable, or interchangeable labels
    • G09F3/202—Casings, frames or enclosures for labels for adjustable, removable, or interchangeable labels for labels being formed by a combination of interchangeable elements, e.g. price labels
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/46—Bases; Cases
    • H01R13/465—Identification means, e.g. labels, tags, markings

Definitions

  • the present invention relates generally to the identification, for their identification, of cables or other conductors to which any electrical equipment may be connected.
  • marking is done using at least one marking device, which, bearing a marker, most often a numerical marker or an alphabetical marker, is adapted to be attached to the cable to identify, either individually or in a group, a plurality of such tracking devices, suitably chosen, making it possible to compose, on request, the global benchmark to be formed.
  • marking device which, bearing a marker, most often a numerical marker or an alphabetical marker, is adapted to be attached to the cable to identify, either individually or in a group, a plurality of such tracking devices, suitably chosen, making it possible to compose, on request, the global benchmark to be formed.
  • the present invention is more particularly aimed at those of these tracking devices which comprise, coming in one piece from a common base plate, two elastically deformable legs by which they are able to enclose the cable to be identified in open loop.
  • tracking devices have the advantage of being able to be installed laterally, at any point of the cable to be identified, by simply snapping onto it, taking advantage of the slot that their legs leave free between them and the ability to elastic deformation which these present.
  • the first relates to the advantage of being able to enclose, with the same locating device, well-defined initial dimensional characteristics, cables of different diameters.
  • the second relates to the advantage of ensuring that, once in place on a cable, the tracking devices attached to it are sufficiently locked in rotation on it to be always properly oriented in the direction allowing the reading of their marks, while being able to be turned around this cable, for their adjustment in position thereon.
  • such a locating device can therefore elastically play with respect to the cable which it encloses, in particular in line with its base plate, the setting of which at level to a well-determined reference level is not ensured.
  • the present invention generally relates to a cable tracking device making it possible to advantageously associate an extended adaptability with cables of different diameters and a suitable hold on such cables.
  • This cable locating device which is of the type comprising, from a single piece of a common base plate, two elastically deformable legs by which it is able to grip any cable in open loop, each of said legs having, by turning back towards the inside, in the direction of said base plate, an elastically deformable finger by which it is able to bear on such a cable, is characterized in that, on the side of the internal face of the plate base, at least one support zone is provided, and the fingers, which are connected by a zone of reduced thickness at the end of the legs, are capable of urging said support zone towards the cable concerned.
  • the elastic deformation capacity is advantageously increased, which allows the adaptation of the tracking device according to the invention to cables of different diameters, in a wide range of diameters.
  • two support zones are implemented, and each is at least partly formed by the internal face of the base plate, so that the latter participates by itself in maintaining the 'together on a cable, and that its positioning relative to the latter is ensured in a positive manner, at a determined level, without the possibility of elastic play.
  • these bearing zones can be carried by elastically deformable tongues, these extending, for example, parallel to the base plate.
  • They may or may not have at least one anchoring edge.
  • each leg has a boss in projection cooperation with at least one adjacent support zone of base plate.
  • the finger used according to the invention has by itself a real capacity of elastic deformation, which is at least partly similar to the pivoting of an articulated cleat, and which is favorable to a good application of the base plate against the cable to be clamped, and therefore to a good behavior of the assembly on this one.
  • each leg of the locating device has, at its end, a thickened extension, it is at the end thus thickened of such a leg that, by the zone of reduced thickness which constitutes its origin, connects the associated finger, and this zone of lesser thickness is offset, both inwards, towards the other leg, and upwards, in the direction of the base plate, with respect to said extension .
  • the finger associated with a jamb comprises, in the locating device according to the invention, at least one notch .
  • This notch which is asymmetrical profile, with, with respect to the open loop formed by the jambs, a slight slope side on the outside side and a steep slope side on the inside side, does not interfere in any way the engagement on a cable of the tracking device according to the invention.
  • the tracking device according to the invention is produced by molding and not by extrusion, which makes it possible to more surely control the dimensional characteristics, and therefore the conditions of intervention, and which also makes it possible to provide advantageous complementary arrangements, such as for example a cantilever extension of its base plate parallel to its axis.
  • the locating device 10 is intended to equip, either individually or in a group, as shown, any cable 11, for the identification thereof, this cable 11 being for example one of the electrical conductors providing service to any electrical equipment 12.
  • the tracking device 10 is a modular tracking device effectively adapted to be grouped, if necessary, with other similar tracking devices, for the composition, on request, of the mark necessary for the identification of the cable 11 concerned.
  • the tracking device 10 comprises, in a manner known per se, from a in one piece with a base plate 13 which is common to them, two elastically deformable legs 14, by which, as detailed below, it is generally capable of enclosing the cable 11 in open loop, said legs 14 defining between them, opposite the base plate 13, a slot 15 specific to the engagement of the assembly on such a cable 11, transversely with respect thereto.
  • each of the legs 14 has, by turning back towards the interior, in the direction of said base plate 13, an elastically deformable finger 18, which is connected at its end by a zone of lesser thickness 37, and by which, as will appear below , it is able to bear on the cable 11 to be fitted and thus to urge said bearing area 16 towards it.
  • two support zones 16 are provided, they are each arranged respectively on either side of the median axial plane M of the assembly, and they each have a projecting edge 19.
  • median axial plane is meant here, for the locating device 10 according to the invention, a plane which, passing through the axis of the cable 11 to be fitted, generally constitutes a plane of symmetry for said locating device 10.
  • This median axial plane M is represented by its trace in FIGS. 2 and 3.
  • the legs 14, the fingers 18 associated therewith, and the bearing zones 16, with their anchoring edge 19, are elongated longitudinally, parallel to the median axial plane M of the assembly, in the manner of cylinder portions, an anchoring edge 19 extending over the entire length of the support zone 16 which it affects.
  • these generators all have the same length, so that, in line with said legs 14, said fingers 18 and said bearing zones 16, the locating device 10 according to the invention is delimited transversely by two parallel faces 21 D, 21 G.
  • the generatrices of the base plate 13 have a length greater than those of the legs 14, the fingers 18, and the bearing zones 16.
  • the base plate 13 extends in overhang relative to the legs 14, on at least one side thereof.
  • the opposite transverse section 24D thereof is in the extension of the corresponding transverse face 21 D.
  • the base plate 13 projects laterally from the legs 14, on either side of the median axial plane M of the assembly, perpendicular to this plane.
  • a recess 25 which, in the embodiment shown in Figures 1 to 8, is substantially level with the internal face 17 thereof .
  • the corresponding lateral sections 26 of the base plate 13 are oblique with respect to the median axial plane M, converging towards one another while moving away of said base plate 13.
  • the base plate 13 generally has the configuration of a truncated pyramid, with an upper face 20, and a lower face formed, externally, by its recesses, or shoulders 25.
  • both of its faces have a generally rectangular outline, with two opposite common edges, said outline being, however, rounded at the angles corresponding to the transverse section 24D, as is better visible in FIG. 3 .
  • the upper face 20 of the base plate 13 is plane, perpendicular to the median axial plane M of the assembly, and the same is true of its recesses, or shoulders 25, these extending parallel to said upper face 20.
  • the base plate 13 carries directly, by itself on its upper face 20, a mark 27, and, for example, as shown, a numerical mark, said mark being there for example applied by printing.
  • It can also be a raised or hollow mark, or even a mark obtained by molding a pre-printed film for example.
  • these interlocking means consist, on the one hand, of two blind cylindrical housings 28G, which, of circular outline in this embodiment, are formed in hollow on the transverse edge 24G of the base plate 13, on the side where the latter is cantilevered, and which are each respectively arranged on the side and on the other of said median axial plane M, and, on the other hand , two pins 28D which, complementary to the housings 28G, and arranged in correspondence with them parallel to the median axial plane M, extend in projection on the opposite transverse edge 24D of said base plate 13.
  • housings 28G thus constituting the recessed nesting means used, and the corresponding pins 28D, are arranged to the right of the root of the legs 14.
  • the anchoring edges 19 of the support zones 16 come directly from the internal face 17 of the base plate 13, and they are established in the vicinity of the root of the legs 14, at the connection of these with said base plate 13.
  • the anchoring edges 19 advantageously reinforce said assembly in the zones of the latter more particularly intended for working when it is engaged with a cable 11, namely those corresponding to the connection of the legs 14 with the base plate 13, and the weakening inevitably due moreover to the housings 28G is thus at least partially compensated.
  • each anchoring edge 19 is defined by the intersection of two portions of cylinder intersecting the the other along a dihedral D close to 90 °, said cylinder portions possibly having equal radii, or, as shown, different radii that lying on the side of the corresponding jamb 14 then having a greater radius.
  • the legs 14 are generally curved, their inner and outer faces, which are substantially parallel to each other, being generally rounded, with their concavity facing inward.
  • each leg 14 has, at its end, a thickened extension 29, it is at the end thus thickened of such a leg 14 that, by the zone of least thickness 37 , forming a hinge, which therefore constitutes in a way the origin thereof, is connected with the associated finger 18, and this zone of lesser thickness 37 is offset or offset both inwardly, in the direction of the other leg 14, and upwards, in the direction of the base plate 13, with respect to said extension 29.
  • the internal face of the fingers 18, that is to say that of the faces of the latter which faces the corresponding jamb 14, is also generally rounded, with its convenience facing inwards, like the internal and external faces of said jamb 14.
  • each of the fingers 18 comprises at least one notch 30.
  • the notches 30 which thus each have the fingers 18 respectively, in correspondence with one another, are at a distance from one another. other.
  • this has indeed a width which decreases from its entry end, which is its end opposite to the base plate 13, at its other end, which is that defined by the notches 30 of fingers 18.
  • Each of these notches 30 is thus defined, on the one hand by the corresponding flank of the engagement slot 15, the slope of which is relatively moderate, and on the other hand by a flank 31, which, in step with respect to the previous, has a relatively steeper slope.
  • such a sidewall 31 is, for the rest configuration of the assembly, substantially perpendicular to the median axial plane M thereof.
  • the end 32 of the internal face of each of the fingers 18, that is to say the part of this internal face, which, in the direction of the base plate 13, s' extends beyond the steep flank 31 of the corresponding notch 30, is substantially parallel to the median axial plane M of the assembly.
  • each of the fingers 18 is preferably planar, as shown felt, and, for the rest configuration of the assembly, it extends substantially perpendicular to the median axial plane M thereof.
  • the locating device 10 can be engaged on a support rail 34, as shown diagrammatically in broken lines in FIG. 2.
  • the distance separating the notches 30 from its fingers 18 from one another at rest is the same for all.
  • the positioning, on a cable 11, of the locating device 10 according to the invention, can be done by hand.
  • it may be a tool comprising, facing one another, and facing one another, two grooves, in which such a locating device 10 is engaged by the ends side of its base ptatine 13, between the upper face 20 thereof and its recesses 25.
  • the engagement of the locating device 10 according to the invention on such a tool is done on the side of the transverse section 24D of this base plate 13 carrying the nesting pins 28D, the rounded edges provided for this effect at the corresponding angles of this base plate 13 being such as to facilitate such engagement.
  • the tool possibly used can be reduced to a simple rod.
  • a suitable opening of rectangular outline for example, in the very thickness of the base plate 13, cete opening extending parallel to the median axial plane M of the assembly, symmetrically on either side thereof, as shown diagrammatically in broken lines 35 in FIG. 2.
  • the positioning, on a cable 11, of the tracking device 10 according to the invention can be done in isolation, if a single mark 27 is sufficient for the identification of this cable 11.
  • the various tracking devices 10 then implemented for this purpose are preferably secured two by two by fitting their pins 28D their respective housings 28G.
  • these locating devices 10 then successively bear one on the other by the transverse sections 24D, 24G of their base plate 13.
  • the 28G housings being devoid of any rounding at their opening, the grip of the 28D pins in these 28G housings is advantageously maximum, in spite of the rounded shapes which such 28D pegs have at their free end to facilitate engagement in them. such housing 28G.
  • pins 28D and the housings 28G also provide a keying function, the composition of the reference mark necessary for the identification of the cable 11 being made necessarily, thanks to them, with pins 27 all arranged in the same direction.
  • the engagement, on the cable 11, of the tracking device or devices 10 is facilitated by the taper, or convergence, of the engagement slot 15 which such a tracking device 10 presents for this purpose.
  • the fingers 18 elastically urge, in the direction of said cable 11, along arrow F1 in FIG. 7, the whole of the locating device 10 to which they belong, and therefore the bearing zones 16 to anchor edge thereof.
  • the latching pressure on the cable 11 of each of these anchoring edges 19 is maximum, and its embedding in the insulating sheath of such cable 11 is therefore relatively notable, sufficient, in any case, to normally oppose, in this embodiment, any rotation, with respect to such a cable 11, of the locating device 10 corresponding.
  • the pins 28D and housings 28G of such a locating device 10 also have the function, when several locating devices 10 are used in group on a cable 11, to reinforce, from one of these locating devices 10 to the other, the resistance to a possible rotation around this cable 11, by opposing any rotational relationship of these locating devices 10 relative to each other to others.
  • these pins 28D and housings 28G out again for the function of improving the overall strength of the cable 11, by the relative stiffening which they provide for one of these tracking devices 10 to another.
  • the recess 23 also gives a locating device 10 according to the invention a relief which facilitates handling.
  • the flatness of the base plate 13 of the locating device 10 facilitates the reading of the mark 27 which it carries.
  • the locating device 10 may be suitable for cables 11 of different diameters.
  • FIG. 7 This possibility is illustrated in FIG. 7, in which, for a cable 11, of average diameter, shown in solid lines, a cable of smaller diameter is shown schematically, in 11), and in 11 a cable of greater diameter.
  • FIG. 7 There is a partial diagram, in broken lines, in FIG. 7, at I, the configuration of the end of the finger 18 corresponding to a cable 11, and, at II, the configuration of the legs 14 corresponding to a cable 11 ".
  • the notch 30 of a finger 18 can participate in the support of such a finger 18 on the cable 11 clamped.
  • the legs 14 generally retain the same configuration at their end, due to the stiffening which their thickened extension 29 provides locally.
  • the locating device 10 If, as shown diagrammatically by the arrow F2 in FIG. 8, the locating device 10 according to the invention is subjected to a pull-out stress with respect to the cable 11 which it encloses, it moves, from its initial position, shown diagrammatically in broken lines in FIG. 8, at a position for which, as shown in solid lines thereon, the notch 30 of its fingers 18 then comes without any doubt to bear and bite on the envelope insulating such a cable 11, and thus effectively oppose such a pull-out stress.
  • each support zone 16 comprises a group of anchoring edges 19 and this itself comprises at least two anchoring edges 19.
  • the anchoring edges 19 of the same group have different heights relative to each other, as shown.
  • the legs 14 and the fingers 18 are extended, in an outward direction, no longer by a simple thickened extension, as previously, but by a spur 53 , which increases the length of the corresponding engagement slot 15, and can thus facilitate the engagement of the assembly on a cable 11.
  • the recesses 25 that form, externally, on its underside, the base plate 13, are used to snap onto the locating device 10 according to the invention, a cover 40 suitable for protecting the mark 27 carried by such a base plate 13, said cover 40 being provided for this purpose in translucent material, or having an opening such as to leave the mark in question free to view.
  • the cover 40 can itself bear such a mark, in the case in particular where the base plate 13 on which it is attached is devoid of it.
  • the obliquity of the lateral edges 26 of the base plate 13 facilitates the snap-fastening thereon of such a cover 40.
  • each of the fingers 18 bears on the cable 11.
  • a cover 40 is also provided, but, by appropriate thickening of the root of the legs 14, it is made so that its snap-fitting takes place by means of grooves 41, which are formed between such legs 14 and the base plate 13, and in the constitution of which participate the recesses 25 of said base plate 13.
  • these grooves 41 advantageously close at least partially on the feet 42 by which the cover 40 is snapped on the locating device 10 concerned, which ensures the locking of said cover 40 on the latter.
  • the upper face 20 of the base plate 13 is slightly curved, while the corresponding cover 40 is flat.
  • the transverse profile of the housings 28G must then have a neck of width less than that of its outlet on the outside on the upper face 20 of the base plate 13.
  • the complementary recessed and raised interlocking means with which a locating device 10 according to the invention is equipped are carried by interlocking members 44 which, distinct from the plate of base 13, are connected in one piece to it.
  • these are cylinders which are connected by a tearable tab 45 to the base plate 13, along each of the side edges of the upper face 20 thereof.
  • Such interlocking members can advantageously also constitute by themselves gripping members.
  • the tool 47 capable of being used for the installation, on a cable, of the locating device 10 according to the invention may comprise, in parallel one to the other, two grooves 48, with a concavity facing downwards, into which the locating device 10 can engage, by its interlocking members 44.
  • these interlocking members 44 can, if desired, be eliminated by tearing off the corresponding tabs 45.
  • the complementary nesting means hollow, and in relief, which they carry at their ends, may have in cross section any of the profiles described above; in the embodiment shown, only the corresponding pins 28D are visible, and they are, in cross section, a circular profile.
  • the support zones 16 that a locating device 10 according to the invention comprises each are respectively carried by an elastically deformable tongue 50.
  • the elastically deformable tongues 50 thus presented by the locating device 10 according to the invention therefore define, with this base plate 13, a recess 35 ′ of a nature to allow engagement thereof on an installation tool having a section rod complementary.
  • each bearing zone 16 thus formed on an elastically deformable tongue 50 has an anchoring edge 19, as before.
  • the bearing areas 16 are devoid of any anchoring edge.
  • this embodiment is generally similar to that described in detail with reference to FIGS. 1 to 8, with, in particular, a thickened extension 29 at the end of the legs 14 and a connection of the fingers 18 to these legs 14 by a thinner zone 37, and its implementation, as well as its mode of intervention, are of the same type.
  • a rounded connection leave is provided between the lateral sections 26 of the base plate 13 and the upper face 20 thereof, and, the height of this base plate 13 being chosen to be sufficient, the recess 23 formed on its underside the overhang of this base plate 13 is plane, perpendicular to the median axial plane M of the assembly.
  • the fingers 18 associated with the legs 14 are not only integral with them, but also that they are made of a material identical to that which constitutes these legs 14.
  • Figure 16 they can be made of a different material, better suited to the elasticity which must be theirs.
  • the locating device 10 according to the invention is advantageously produced by molding, such molding only implying the use of one and the same synthetic material for the embodiments of FIGS. 1 to 15, while, according to known methods in the matter, it implies, for form. of FIG. 16, the simultaneous use of two different synthetic materials.

Landscapes

  • Installation Of Indoor Wiring (AREA)
  • Communication Cables (AREA)
  • Insulated Conductors (AREA)
EP84400385A 1983-03-04 1984-02-27 Dispositif de repérage pour câble Expired EP0121454B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8303575 1983-03-04
FR8303575A FR2542143B1 (fr) 1983-03-04 1983-03-04 Dispositif de reperage pour cable

Publications (2)

Publication Number Publication Date
EP0121454A1 EP0121454A1 (fr) 1984-10-10
EP0121454B1 true EP0121454B1 (fr) 1988-05-11

Family

ID=9286501

Family Applications (1)

Application Number Title Priority Date Filing Date
EP84400385A Expired EP0121454B1 (fr) 1983-03-04 1984-02-27 Dispositif de repérage pour câble

Country Status (7)

Country Link
US (1) US4649658A (es)
EP (1) EP0121454B1 (es)
JP (1) JPS59167921A (es)
DE (1) DE3471193D1 (es)
ES (1) ES277826Y (es)
FR (1) FR2542143B1 (es)
HK (1) HK12490A (es)

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DE1103422B (de) * 1959-09-11 1961-03-30 Josef Eisert Merkzeichentraeger fuer elektrische Leitungen, insbesondere fuer Hilfsleitungen in Schaltanlagen
FR1245026A (fr) * 1959-09-25 1960-11-04 Porte-étiquette pour marquage de câbles électriques et autres applications
US3419472A (en) * 1960-10-24 1968-12-31 American Cyanamid Co Process for preparing streptokinaserich material
SE327745B (es) * 1967-06-20 1970-08-31 N Loeoef
JPS4925840U (es) * 1972-06-07 1974-03-05
CH594270A5 (es) * 1975-04-08 1977-12-30 Fehr Rudolf
IT1161662B (it) * 1978-05-15 1987-03-18 Grafoplast Sas Perfezionamento nella costruzione di manicotti aperti e suppoti in genere portanti entro alveolo anellini siglanti componibili per cavi ed apparecchiature elettriche

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US4649658A (en) 1987-03-17
EP0121454A1 (fr) 1984-10-10
JPS59167921A (ja) 1984-09-21
HK12490A (en) 1990-02-23
FR2542143B1 (fr) 1985-08-09
FR2542143A1 (fr) 1984-09-07
ES277826Y (es) 1985-11-16
ES277826U (es) 1985-04-16
DE3471193D1 (en) 1988-06-16

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