• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:
    Support set for cables and coupling procedure thereof, comprising a pair of trays (2, 3) with open cross sections, so that each tray comprises: in at least one of the side walls of the open section of a first end of each tray (2, 3), a first fold (14, 14 ') towards the inside of the open section; and in one of the side walls of the open section belonging to a second end of each tray (2, 3), a cut formed by two sections (5, 5 '), and located in correspondence with said first fold (14, 14). ') of the first tray (2), forming a passage section once said second end of the second tray (3) is superimposed on the first end of the first tray (2). (Machine-translation by Google Translate, not legally binding)
    公开号:ES2573147A1
    申请号:ES201630541
    申请日:2016-04-28
    公开日:2016-06-06
    发明作者:Ignacio Ferrando Colomer
    申请人:Schneider Electric Espana SA；
    IPC主号:
    专利说明:

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    DESCRIPTION
    Cable support assembly, and coupling procedure thereof TECHNICAL FIELD OF THE INVENTION
    The present invention, as expressed in the statement of the present specification, refers to a cable support assembly, which comprises at least two trays that can be attached to each other, and therefore also refers to the method of coupling the same to through two trays; where both the set and the procedure are located within the technical sector of the support elements and wiring management in industrial facilities.
    The main purpose of the cable support assembly of the invention is to have a set of entities that work and collaborate together to provide a cable support that has high mechanical reliability, capable of accommodating a large plurality and diversity of cables. , preferably electric, and having coupling means between each of the quick and easy to handle trays. In addition, this group must present entities formed through simple and perfectly automated manufacturing procedures that have an impact on both manufacturing and sales price in order to be competitive in both functional and economic characteristics.
    BACKGROUND OF THE INVENTION
    By way of introduction, it is known the use and existence of a large number of cable support assemblies in industrial facilities, these usually present two types of entities clearly differentiated: On the one hand there are cable trays as such, which usually present profiles open such as U or Omega profiles, so that on the basis of the open profile, and embedded by the wings of said open profile, the desired cables are placed to be placed and grouped. These trays can
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    be made of an extruded profile as it is deduced from its open geometry, or by a plurality of rods welded together as a metal framework, where both solutions converge in the same function of guiding the cables to be installed on them.
    On the other hand, there are the elements of union between the trays, since these are manufactured and, therefore, are supplied with standardized or predetermined lengths. Such union elements have multiple varieties of designs, see for example the union of two trays that have an open U-profile as a cross-section, and where the wings of each tray have a plurality of grooves, which are configured to allow that a sheet, which has a plurality of flanges or projections, is coupled to said grooves through the elastic deformation of said flanges or projections. Thus, in each zone of union of two trays two or more plates are available to guarantee a structural union between both trays, being a simple solution that, on the contrary, presents a low structural union between both trays to be dependent on the type of fixing between the eyelashes and the cavities, and also needs a large number of plates to increase said structural union, and consequently the installation time between two trays.
    A solution to improve the resistant capacity of the union between the trays lies in the replacement of the mechanical union between flanges and cavities by mechanical fasteners such as bolt-nuts or studs-nuts; in this way, the sheet does not have said plurality of eyelashes, but also has a series of holes or holes that overlap the cavities of both trays allowing the passage of said union elements through it. In this way it is possible to improve said structural union, but the problem regarding the assembly time and number of physical entities to be used to guarantee said union remains.
    In this sense, it is known to use trays that do not require union elements as defined above, if the ends of each of the trays differ from each other, so that one of the ends has a recess along the entire inner surface of the tray section and along a predefined longitudinal distance, and the other end does not have said recess, so that
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    configures a coupling between the recess of the first end of a first tray and the second end of a second tray once said second end of the second tray is superimposed on the recess of the first end of the first tray, by way of self-assembly of Both trays. But said union is very structurally weak, so it is necessary to use screws or studs with their respective nuts so that they pass between both trays to ensure a strong structural union. Where, in this way, the use of intermediate plates is avoided and, therefore, the installation process between trays is simplified. But again it is necessary to highlight the use of screws or studs to ensure proper coupling between each of the trays.
    That is why, in order to simplify to the maximum the coupling procedure between the different trays that make up the support assembly for cables under study, as well as being able to guarantee a correct mechanical and structural union between each of the trays, the appearance of a new cable support assembly capable of solving such inconveniences is necessary due to the need not to use larger union elements with respect to the mentioned trays, and that even without them it is possible to guarantee a perfect mechanical union between the trays capable of supporting the weight of the cables and transmitting said efforts to the anchoring points of the roofs or similar structural elements; and all this with a set formed by simple entities, which work cooperatively with each other to guarantee perfect functionality, and novel against the state of art currently known.
    DESCRIPTION OF THE INVENTION
    The present invention relates to a cable support assembly comprising at least one pair of trays that respectively have an open cross section, so that each tray comprises:
    - a first fold located in at least one of the side walls of the open section and in a first end of both trays, where said first fold is oriented towards the inside of the open section; Y
    - a cut located at a second end of each tray, which comprises two
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    sections: a first section located in at least one of the side walls of the open section; and a second section located in the bending zone between the base and said, at least one, side wall of the second end; said cut forming a step section of the first fold of the side wall of the first end of a first tray with respect to the second end of a second tray, once said second end of the second tray is superimposed on the first end of the first tray.
    It is observed, therefore, that the structural union is made thanks to the housing of the first fold of the first end of the first tray in the cut of the second end of the second tray; and where the geometry of the cut is not random, since the cut has two zones or directions associated with the first and second section of said cut, since the first section is responsible for preventing the longitudinal extraction of the first fold of the first end of the first tray with respect to the second end of the second tray once both trays are in the service position, and the second section is responsible for allowing the passage of the first fold in the process of approximation of the second end of the second tray towards the first end of the first tray.
    Preferably, it is described how said first fold located at the first end of each tray has a bending axis orthogonal to the base of each tray; and the first section of the cut located at the second end of each tray, presents an orthogonal cutting direction to the base of the tray; both directions being parallel and coincident once the second end of the second tray is coupled on the first end of the first tray.
    In this sense, the coupling procedure between two trays associated to the cable support assembly object of the invention is described, where, once the second end of the second tray is positioned on the first end of the first tray, the approaching said second tray on the first tray in an orthogonal direction to both bases of the trays, allowing said at least one first fold of one of the side walls of the open section, belonging to the recess of the first end of the first tray , cut through the cut
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    corresponding and located at the second end of the second tray, preventing the longitudinal decoupling of both trays.
    This eliminates the need to use joining elements such as screws, studs, etc. Which make the product more expensive and delay the installation time of each of the trays coupled together; unlike the set object of the invention, which, when not needed, gives rise to an advantageous technical effect with respect to the state of the art today. Additionally, it is observed how the first end presents said, at least one, fold and the second end presents the corresponding cut, and thus the process of forming each of the trays allows to differentiate between the first and the second end, where the The first end requires cutting and bending operations for obtaining said first fold, and the second end only needs cutting operations for obtaining said cut.
    It goes without saying that when the first and second ends of the first and second tray homonyms are called, such end configurations are extrapolated to the rest of the trays, that is to say that all the trays have a first end with the technical characteristics corresponding to the first end. of the first tray, and all the trays have a second end with the technical characteristics corresponding to the second end of the second tray.
    And in a more specific and specific way, the preferred realization is described in which:
    - Both side walls of the open section belonging to the first end have two first folds with an orthogonal bending axis at the base of the tray, and facing each other; Y
    - both side walls of the open section belonging to the second end to be coupled on the first end of two trays have two L-cuts facing each other, and configuring two passage sections of the first facing folds of the side wall of the first end of the first tray with respect to the second end of the second tray, once said second end of the second tray is superimposed on the first end of the first tray.
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    So that the confrontation of both the first folds and the L-cuts guarantees a distribution of efforts and a block in both directions of a longitudinal direction to both trays; being a substantial improvement to the mechanical coupling between two trays.
    In order to prevent not only the longitudinal movement of the coupled trays, but also the vertical decoupling between the two, the possibility that each tray comprises:
    - at the base of the open section belonging to the recess of the first end, a through opening; Y
    - at the base of the open section belonging to the second end to be coupled on the first end of two trays, a pair of flanges facing outward from the open section; said flanges of the second end of the second tray located in correspondence with said through opening of the first end of the first tray, and said through opening configuring a passage section of the pair of flanges of the base of the second end of the second tray with respect to to the first end of the first tray, once said second end of the second tray is superimposed on the first end of the first tray.
    In this way, it is observed that thanks to the fact that the flanges of the second end of the second tray are shaped and oriented towards the outside of the open section, they pass through the corresponding through opening of the first end of the first tray without any type of impediment, but in the event that a longitudinal and relative movement is forced between both trays, the protruding flanges of the second end will come into contact with the base of the first end of the first tray, preventing such longitudinal displacement.
    Preferably, the option is described in which the through opening of the first end of each tray has a rectangular geometry; and the pair of eyelashes of the second end of each tray respectively have a flat ovoidal shape whose ends are attached to the base of said second end. In this way,
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    These flanges are attached to the base through the ends of each ovoid, being a very small section compared to the central core of the ovoid geometry of each flange, which simplifies its manipulation and deformation.
    In this sense, the associated coupling procedure is described in which, once the second end of the second tray is positioned on the first end of the first tray, said second tray is approximated on the first tray in an orthogonal direction to both bases of the trays, allowing the pair of eyelashes of the base of the open section, belonging to the second end of the second tray, to pass through the corresponding through opening and located at the first end of the first tray, preventing the longitudinal decoupling of Both trays. Where to ensure that there is no relative movement between both trays, a user can deform such flanges with the use of a lever or the like, subsequently to the housing of both flanges of the second end of the second tray over the through opening of the first end from the first tray, both tabs are mechanically deformed until they come into contact with at least part of the edges of said through opening. Being a simple, fast and very effective solution against unwanted movements or decoupling.
    Likewise, and in order to further increase the structural continuity of both trays, the possibility that each tray includes:
    - in at least one of the side walls of the open section of the first end, at least a second fold into the open section, and whose bending axis is parallel to the base of the tray; Y
    - in at least one of the side walls of the open section belonging to the second end to be coupled on the first end of two trays, a recess located in correspondence with said second fold of the first end of the first tray, and said recess forming a section step of the second fold of the side wall of the first end of the first tray with respect to the second end of the second tray, once said second end of the second tray is superimposed on the first end of the first tray.
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    Which, thanks to the bending axis belonging to the second fold of the first end of the first tray, which is parallel to the base of said tray, it is achieved that once coupled both ends, both longitudinal displacement and displacement are prevented vertical of both trays; so that once the second end of the second tray is positioned on the first end of the first tray, said second tray can be approximated on the first tray in an orthogonal direction to both bases of the trays, allowing said, at minus one, second fold of one of the side walls of the open section, belonging to the first end of the first tray, crosses the corresponding cavity and located at the second end of the second tray, preventing the transverse and longitudinal decoupling of both trays. And where said second flange has to be elastically deformed during the approach of the second end of the second tray towards the first end of the first tray, to subsequently recover its shape and prevent relative movements between both trays.
    In relation to the type of open section of each tray, the preferred option is described in which the open section of each tray is a U-section formed by two wings and a base, where the first end of each tray has a recess at along a predefined longitudinal distance, allowing a coupling between the recess of the first end of the first tray and the second end of a second tray once said second end of the second tray is superimposed on the recess of the first end of the first tray. Thus, the structural design is similar to that indicated in the last example of the background, therefore being a very fast coupling between both ends of the respective trays; where it should be clarified that at such ends, the section is an open section that can have a U-shaped geometry, in Omega, etc., to simplify its forming process, and to ensure that the coupling between both trays can be done perfectly through of the superposition of the second end of the second tray on the recess of the first end of the first tray.
    In order to be able to include the possibility of introducing fixing means between trays, for special cases in which an extra structural rigidity is required, it is contemplated
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    the possibility that each tray understands:
    - in at least one of the side walls of the open section of the first end of a first tray, at least a first through hole; Y
    - in at least one of the side walls of the open section of the second end of a second tray, at least a second through hole located in correspondence with the first hole of the first tray, once said second end of the second tray is superimposed on the first end of the first tray.
    In this way, once the respective holes of each end of each tray are aligned, a bolt, screw or the like can be introduced to fix, to a greater degree, the union between both trays.
    Thus, with the proposed invention a support assembly is obtained for cables that have, at least, two unique entities to guarantee a simple coupling, without the need to use joining and coupling means as indicated in the state of the art known; so that the unions between each trays work and collaborate together to have a cable support that has a high mechanical reliability, perfectly capable of accommodating a plurality of cables, and whose coupling procedure is very fast, simple and safe. Where it also stands out that the manufacturing process of each of the trays is simplified by having perfectly automatable and industrializable cuts and folds, which have an impact on savings both in its manufacture and in its sale price perceived by the consumer.
    DESCRIPTION OF THE DRAWINGS
    To complement the description that is being carried out, and in order to help a better understanding of the characteristics of the invention, according to a preferred example of practical realization thereof, a series of drawings are accompanied as an integral part of said description. where, with an illustrative and non-limiting nature, the following has been represented:
    Figure 1.- Shows a three-dimensional view of the first end of one of the trays
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    belonging to the support assembly for cables object of the invention, observing its first two folds and the second fold located on the side walls, as well as the through opening located at the base of said first end.
    Figure 2.- Shows a three-dimensional view of the second end of one of the trays belonging to the support assembly for cables object of the invention, observing its L-cuts and its hollow in the side walls, as well as the tabs formed in the base of said second end.
    Figure 3.- Shows a three-dimensional view of how the coupling between the two ends of two trays is carried out respectively, observing the upper positioning of the second end of the second tray with respect to the first end of the first tray.
    Figure 4 shows a three-dimensional view of the detail of how the flanges of the second end are coupled in the through opening of the first end of the respective trays belonging to the support assembly for cables object of the invention.
    PREFERRED EMBODIMENT OF THE INVENTION
    In view of Figures 1 to 3, it can be seen how the assembly comprises a first tray (2) and a second tray (3), which respectively have a U-shaped cross section formed by two wings and a base.
    In relation to figure 1, it is visualized as a first end of the first tray (2) has a recess (1, 1 ') along the entire interior surface of the U-section and along a predefined longitudinal distance , allowing a coupling between the recess (1, 1 ') of the first end of a first tray (2) and the second end of a second tray (3) once said second end of the second tray (3) is superimposed on the recess (1, 1 ') of the first end of the first tray (2).
    Likewise, said first end also presents:
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    - In both side walls of the U section belonging to the recess (1, 1 ') of the first end, two first folds (14, 14') are observed towards the inside of the U section, and with respective bending axes ( 8, 8 ') orthogonal to the base of the tray, and facing both folds (14, 14') with each other.
    - At the base of the U section belonging to the recess (1, 1 ’) of the first end, a through opening (7).
    - On both side walls of the U section belonging to the recess (1, 1 ') of the first end, a second fold (16) towards the inside of the U section, and whose bending axis (8, 8') is parallel to the base of the tray.
    Next, and in view of Figure 2, it is displayed as the second end of the second tray (3) presents:
    - In both side walls of the U-section belonging to the second end to be coupled on the first end of the two trays (2, 3), there are two cuts (5, 5 ') in L facing each other, each comprising of them two sections: a first section (6, 6 ') located on the side walls of the open section; and a second section (4, 4 ’) located in the bending area between the base and the side walls of the second end; said cuts (5, 5 ') configuring two step sections of the first folds (14, 14') facing the side wall of the first end of the first tray (2) with respect to the second end of the second tray (3) , once said second end of the second tray (3) is superimposed on the first end of the first tray (2).
    - At the base of the U-section belonging to the second end to be coupled on the first end of the two trays (2, 3), a pair of eyelashes (9, 10) oriented outwards of the U-section; said tabs (9, 10) located from the second end of the second tray (3) in correspondence with said through opening (7) of the first end of the first tray (2), and said through opening (7) configuring a passage section of the pair of flanges (9, 10) of the base of the second end of the second tray (3) with respect to the first end of the first tray (2), once said second end of the second tray (3) is superimposed on the first end of the first tray (2).
    - In the side walls of the U-section belonging to the second end to be coupled on the first end of two trays (2, 3), a recess (17) located in
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    correspondence with said second fold (16) of the first end of the first tray
    (2), and configuring said recess (17) a passage section of the second fold (16) of the side wall of the first end of the first tray (2) with respect to the second end of the second tray (3), a once said second end of the second tray (3) is superimposed on the first end of the first tray (2).
    And where in view of Figure 4, the coupling between both flanges (9, 10) of the base of the second end of the second tray (3) with respect to the through opening (7) of the first end can be observed in detail of the first tray (2).
    Likewise, the coupling procedure between two trays (2, 3) belonging to the described cable support assembly is described, so that, once the second end of the second tray (3) is positioned on the recess (1, 1 ' ) of the first end of the first tray (2), said second tray is approximated
    (3) on the first tray (2) in an orthogonal direction to both bases of the trays (2, 3), giving rise to the following couplings:
    a) The coupling between the first folds (14, 14 ') of two side walls of the U-section, belonging to the recess (1, 1') of the first end of the first tray (2), thanks to the passage through these with respect to the corresponding L-cuts (5, 5 ') and located at the second end of the second tray (3), preventing the longitudinal decoupling of both trays (2, 3).
    b) The coupling between the pair of flanges (9, 10) of the base of the U-section, belonging to the second end of the second tray (3), thanks to the passage through said flanges (9, 10) with respect to to the corresponding through opening (7) and located at the first end of the first tray (2), preventing the longitudinal decoupling of both trays (2, 3). So that after housing both tabs (9, 10) of the second end of the second tray (3) over the through opening (7) of the first end of the first tray (2), both tabs are mechanically deformed ( 9, 10) until they come into contact with at least part of the edges of said through opening (7).
    c) The coupling between the second fold (16) of both side walls of the U-section, belonging to the recess (1, 1 ’) of the first end of the first tray (2), thanks
    to the passage through said second fold with respect to the corresponding cavity (17) and located at the second end of the second tray (3), preventing the transverse decoupling of both trays (2, 3).
    5 In view of this description and set of figures, the person skilled in the art will be able to understand that the embodiments of the invention that have been described can be combined in multiple ways within the object of the invention. The invention has been described according to some preferred embodiments thereof, but it will be apparent to the person skilled in the art that multiple variations can be introduced in said preferred embodiments without exceeding the object of the claimed invention.
    权利要求:
    Claims (12)
    [1]
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    1. - Cable support assembly comprising at least one pair of trays (2, 3) that can be attached to each other, respectively having an open section, characterized in that each tray (2, 3) comprises:
    - a first fold (14, 14 ') located in at least one of the side walls of the open section and in a first end of both trays (2, 3), where said first fold (14, 14') is oriented into the open section; Y
    - a cut (5, 5 ') located at a second end of each tray (2, 3), which comprises two sections: a first section (6, 6') located in at least one of the side walls of the section open and a second section (4, 4 ’) located in the bending area between the base and said, at least one, side wall of the second end; said cut (5, 5 ') configuring a step section of the first fold (14, 14') of the side wall of the first end of a first tray (2) with respect to the second end of a second tray (3), once said second end of the second tray (3) is superimposed on the first end of the first tray (2).
    [2]
    2. - Cable support assembly, according to claim 1, characterized in that each tray comprises:
    - at the base of the open section belonging to the first end, a through opening
    (7); Y
    - at the base of the open section belonging to the second end to be coupled on the first end of two trays (2, 3), a pair of eyelashes (9, 10) oriented outwards of the open section; said tabs (9, 10) located in correspondence with said through opening (7) of the first end of the first tray (2), and said through opening (7) configuring a passage section of the pair of tabs (9, 10) of the base of the second end of the second tray (3) with respect to the first end of the first tray (2), once said second end of the second tray (3) is superimposed on the first end of the first tray (2 ).
    [3]
    3. - Cable support assembly, according to claim 2, characterized in that:
    - the through opening (7) of the first end of each tray (2, 3) has a geometry
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    rectangular; Y
    - the pair of flanges (9, 10) of the second end of each tray (2, 3) respectively have a flat ovoidal shape whose ends are attached to the base of said second end.
    [4]
    4. - Cable support assembly according to any of the preceding claims, characterized in that each tray comprises:
    - in at least one of the side walls of the open section of the first end, at least a second fold (16) oriented towards the inside of the open section, and whose bending axis (8, 8 ') is parallel to the base of the tray; Y
    - in at least one of the side walls of the open section belonging to the second end, a recess (17) located in correspondence with said second fold (16) of the first end of a first tray (2), and configuring said recess (17 ) a section of the second fold (16) of the side wall of the first end of the first tray (2) with respect to the second end of a second tray (3), once said second end of the second tray is superimposed (3) on the first end of the first tray (2).
    [5]
    5. - Cable support assembly according to any of the preceding claims, characterized in that the open section of each tray (2, 3) is a U-section formed by two wings and a base, where the first end of each tray it has a recess (1, 1 ') along a predefined longitudinal distance, allowing a coupling between the recess (1, 1') of the first end of the first tray (2) and the second end of a second tray (3 ) once said second end of the second tray (3) is superimposed on the recess (1, 1 ') of the first end of the first tray (2).
    [6]
    6. - Cable support assembly according to any of the preceding claims, characterized in that each tray (2, 3) comprises:
    - in at least one of the side walls of the open section of the first end of a first tray (2), at least a first hole (18, 18 ’) through; Y
    - in at least one of the side walls of the open section of the second end of
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    a second tray (3), at least a second hole (19, 19 ') through located in correspondence with the first hole (18, 18') of the first tray (2), once said second end of the second is superimposed tray (3) on the first end of the first tray (2).
    [7]
    7. - Cable support assembly according to any of the preceding claims, characterized in that:
    - said first fold (14, 14 ’) located at the first end of each tray (2, 3) has a bending axis (8, 8’) orthogonal to the base of each tray (2, 3); Y
    - the first section (6, 6 ’) of the cut (5, 5’) located at the second end of each tray (2, 3), has an orthogonal cutting direction to the base of the tray.
    [8]
    8. - Cable support assembly according to any of the preceding claims, characterized in that:
    - both side walls of the open section of the first end of each tray (2, 3) have two first folds (14, 14 ') with bending axis (8, 8') orthogonal to the base of each tray (2, 3 ), and facing each other; Y
    - both side walls of the open section belonging to the second end of each tray (2, 3) have two cuts (5, 5 ') in L facing each other, and configuring two passage sections of the first facing folds of the side wall of the first end of a first tray (2) with respect to the second end of a second tray (3), once said second end of the second tray (3) is superimposed on the first end of the first tray (2).
    [9]
    9. - Coupling procedure between two trays (2, 3) belonging to the cable support assembly defined in any of the preceding claims, characterized in that, once the second end of the second tray (3) is positioned on the first end of the first tray (2), said second tray (3) is approached on the first tray (2) in an orthogonal direction to both bases of the trays (2, 3), allowing said, at least one, first fold (14, 14 ') of one of the side walls of the open section, belonging to the first end of the first tray (2), cross the corresponding cut (5, 5') and located at the second end of the second
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    tray (3), preventing the longitudinal decoupling of both trays (2, 3).
    [10]
    10. - Coupling procedure between two trays (2, 3) belonging to the cable support assembly defined in claim 2 and any of the preceding claims, characterized in that, once the second end of the second tray (3) is positioned on the first end of the first tray (2), said second tray (3) is approached on the first tray (2) in an orthogonal direction to both bases of the trays (2, 3), allowing the pair of flanges (9, 10) of the base of the open section, belonging to the second end of the second tray (3), pass through the corresponding through opening (7) and located at the first end of the first tray (2), preventing the Longitudinal decoupling of both trays (2, 3).
    [11]
    11. - Procedure of coupling between two trays (2, 3), according to claim 10, characterized in that subsequently to the housing of both flanges (9, 10) of the second end of the second tray (3) on the through opening (7 ) of the first end of the first tray (2), both flanges (9, 10) are mechanically deformed until they come into contact with at least part of the edges of said through opening (7).
    [12]
    12. - Coupling procedure between two trays (2, 3) belonging to the cable support assembly defined in claim 4 and any of the preceding claims, characterized in that, once the second end of the second tray (3) is positioned on the first end of the first tray (2), said second tray (3) is approached on the first tray (2) in an orthogonal direction to both bases of the trays (2, 3), allowing said, at minus one, second fold (16) of one of the side walls of the open section, crosses the corresponding cavity (17) and located at the second end of the second tray (3), preventing the transverse decoupling of both trays (2, 3).
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    同族专利:
    公开号 | 公开日
    ES2573147B1|2017-02-03|
    引用文献:
    公开号 | 申请日 | 公开日 | 申请人 | 专利标题
    DE19841643A1|1998-09-11|2000-03-16|Bettermann Obo Gmbh & Co Kg|Sheet metal cable trough with U shaped section part, has first end with slightly swaged side and base walls so that further trough part with unswaged second end can be inserted in swaged region|
    DE202008009852U1|2008-07-23|2008-09-18|Niedax Gmbh & Co. Kg|cable tray|
    WO2011062567A1|2009-11-18|2011-05-26|Kiraç Metal Ürünleri̇ San. Ve Ti̇c. Ltd. Şti̇.|Cable tray|
    WO2013015755A2|2011-06-13|2013-01-31|Kiraç Metal Ürünleri̇ San. Ve Ti̇c. Ltd.|Easy snap-on cable tray with no connection means|
    WO2015053643A2|2013-10-08|2015-04-16|Sielski Kazimierz|Multi-member channel bar|CN111371048A|2020-05-28|2020-07-03|宁波纬诚科技股份有限公司|Cable bridge rack|
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