EP3304648B1 - Clip metallique de connexion electrique d'un fil conducteur a un element metallique - Google Patents

Clip metallique de connexion electrique d'un fil conducteur a un element metallique Download PDF

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Publication number
EP3304648B1
EP3304648B1 EP16733160.2A EP16733160A EP3304648B1 EP 3304648 B1 EP3304648 B1 EP 3304648B1 EP 16733160 A EP16733160 A EP 16733160A EP 3304648 B1 EP3304648 B1 EP 3304648B1
Authority
EP
European Patent Office
Prior art keywords
wing
conductive wire
metal clip
clip
metal
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.)
Active
Application number
EP16733160.2A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP3304648A1 (fr
Inventor
Nicolas Bernard
Norman Philipp
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.)
A Raymond SARL
Original Assignee
A Raymond SARL
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 A Raymond SARL filed Critical A Raymond SARL
Priority to PL16733160T priority Critical patent/PL3304648T3/pl
Publication of EP3304648A1 publication Critical patent/EP3304648A1/fr
Application granted granted Critical
Publication of EP3304648B1 publication Critical patent/EP3304648B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R11/00—Individual connecting elements providing two or more spaced connecting locations for conductive members which are, or may be, thereby interconnected, e.g. end pieces for wires or cables supported by the wire or cable and having means for facilitating electrical connection to some other wire, terminal, or conductive member, blocks of binding posts
    • H01R11/11—End pieces or tapping pieces for wires, supported by the wire and for facilitating electrical connection to some other wire, terminal or conductive member
    • H01R11/22—End pieces terminating in a spring clip
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
    • H01R4/58—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation characterised by the form or material of the contacting members
    • H01R4/64—Connections between or with conductive parts having primarily a non-electric function, e.g. frame, casing, rail
    • H01R4/646—Connections between or with conductive parts having primarily a non-electric function, e.g. frame, casing, rail for cables or flexible cylindrical bodies
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
    • H01R4/24—Connections using contact members penetrating or cutting insulation or cable strands
    • H01R4/2416—Connections using contact members penetrating or cutting insulation or cable strands the contact members having insulation-cutting edges, e.g. of tuning fork type
    • H01R4/242—Connections using contact members penetrating or cutting insulation or cable strands the contact members having insulation-cutting edges, e.g. of tuning fork type the contact members being plates having a single slot
    • H01R4/2437—Curved plates
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
    • H01R4/28—Clamped connections, spring connections
    • H01R4/30—Clamped connections, spring connections utilising a screw or nut clamping member
    • H01R4/36—Conductive members located under tip of screw
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
    • H01R4/28—Clamped connections, spring connections
    • H01R4/48—Clamped connections, spring connections utilising a spring, clip, or other resilient member
    • H01R4/4809—Clamped connections, spring connections utilising a spring, clip, or other resilient member using a leaf spring to bias the conductor toward the busbar
    • H01R4/48185—Clamped connections, spring connections utilising a spring, clip, or other resilient member using a leaf spring to bias the conductor toward the busbar adapted for axial insertion of a wire end
    • H01R4/4819—Clamped connections, spring connections utilising a spring, clip, or other resilient member using a leaf spring to bias the conductor toward the busbar adapted for axial insertion of a wire end the spring shape allowing insertion of the conductor end when the spring is unbiased
    • H01R4/4821—Single-blade spring
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
    • H01R4/28—Clamped connections, spring connections
    • H01R4/48—Clamped connections, spring connections utilising a spring, clip, or other resilient member
    • H01R4/4809—Clamped connections, spring connections utilising a spring, clip, or other resilient member using a leaf spring to bias the conductor toward the busbar
    • H01R4/4846—Busbar details
    • H01R4/4848—Busbar integrally formed with the spring

Definitions

  • the invention relates to a metal clip for electrically connecting a conductive wire to a flat metal element.
  • FR 2,694,141 an earthing clip formed of a S-shaped one-piece metal plate so as to define two elastically-deformable slots facing away from each other and separated by a wall.
  • a slot is intended to be engaged on a flat metal support, the other to receive the ground wire.
  • the walls of this earthing clip have cutouts folded towards the inside of each slot in order to protrude therefrom and to form knives capable of cutting the insulating sheath of the earth wire. to an adequate depth to ensure electrical contact between the ground wire and the grounding clip.
  • the orientation of the slots and knives requires sliding a segment of the ground wire in translation in the slot to cut the insulating sheath and form the electrical contact. This operation is not easy to perform manually, especially when the free space around the clip and the flat metal support is restricted or confined.
  • the ground wire is held and oriented in a plane substantially parallel to the metal support and in the longitudinal direction of the clip. It is essentially maintained by the elastic deformation of the slot in which it is inserted. The ground wire is thus not reliably secured to the earthing clip from which it can easily disengage, by sliding.
  • the document EP2528166 discloses another known metal clip of electrical connection, wherein the conductive wire is held in a direction perpendicular to the plane defined by the support. It allows in a single operation to engage the clip on the support and, at the same time, forming the electrical contact with the lead. This characteristic is not always advantageous and it would sometimes be preferable to be able to perform these two steps independently.
  • the document FR 2,694,141 describes the features of the preamble of claim 1.
  • An object of the invention is therefore to provide a metal clip of electrical connection for securely and easily fasten a conductive wire.
  • the subject of the invention proposes a metallic clip for electrically connecting a conductive wire to a flat metal element, according to claim 1, the metal clip having an S-shaped cross-section and being formed of three wings, a first wing and a second wing defining a first longitudinal housing to allow the attachment of the metal clip to an edge of the flat metal element, the second wing and the third wing defining a second longitudinal housing.
  • the second housing is provided with connection means for receiving the end of the conductor wire and for maintaining electrical contact between the conductive wire and the metal clip.
  • a metal clip 1 of electrical connection is constituted by a metal plate curved in S and thus having a cross section in S.
  • the term "wing" is used to designate each of the three substantially flat portions of the metal plate defining this S-shape.
  • This housing is intended to be engaged on an edge of a flat metal element to which it is desired to electrically connect a conductive wire.
  • the distance separating the first wing 2a and the second wing 2b, defined by the dimensions of the first curved zone, is chosen to correspond substantially to the thickness of the flat metal element.
  • the elastic deformation of the first curved zone ensures the maintenance of the metal clip 1 on the flat metal element and their electrical contact.
  • the pressing force exerted by the elastic pin 4 contributes to firmly hold the metal clip on the flat metal element.
  • the low penetration of the end of this elastic lug 4 in the metal element by scratch effect during its engagement promotes electrical contact.
  • a cut is made on each of the two lateral edges of the first wing 2a and the second wing 2b, in order to delimit four elastic lugs 4, the lugs 4 of the first wing 2a being placed opposite the lugs 4 of the second wing 2b.
  • the second wing 2b is integral with a third wing 2c, via a second curved zone positioning these two wings 2b, 2c vis-à-vis, and thus defining a second longitudinal housing 3b.
  • this second housing 3b is provided with connection means for receiving the end of a conductive wire that is to be electrically connected to the flat metal element. These means are configured to receive the end of the conductor wire and maintain the electrical contact between the conductive wire and the metal clip 1.
  • the solution proposed by the invention is advantageous for two reasons.
  • it is easier, during a manually performed connection operation, to bring the end of the conductive wire, by moving it along its main axis, in the connection means, than to slide a section. of this yarn in translation in a housing, and in a direction perpendicular to the main axis of the yarn, as is the case in the first document of the state of the art presented in the preamble.
  • the invention makes it possible to separate the engagement of the first housing 3a from the metal clip 1 on the flat metal element of the connection. electrical conductor wire connection means. This feature may be an advantage when the free space around the clip and the flat metal member is restricted or confined.
  • connection means are arranged to receive and maintain the end of the conductive wire when it is oriented, opposite the metal clip 1, in a direction having a transverse component.
  • it may be a direction having an angle of +/- 60 ° vis-à-vis the transverse direction of the clip, and preferably an angle of +/- 30 ° with respect to this direction.
  • the end of the conductor wire is introduced into the connection means in a direction from the opening to the bottom of the second housing 3b.
  • the pinch pin 5 and the guided opening 6 are arranged on the third wing 2c to allow the introduction of the conductive wire towards the bottom of the second housing 3b.
  • the bottom of the housing 3b may be provided with a release opening 7 allowing the conductive wire to protrude from the metal clip 1 and allowing its possible subsequent extraction.
  • the metal clip 1 is assembled to the flat metal member by engaging the first housing 3a on an outer edge thereof.
  • the engagement of the clip can be done manually or with the aid of a tool, such as a hammer for example.
  • the lugs 4 exert a bearing force on the flat metal element and, by scratch effect, their ends penetrate into the material of this metal element which contributes to establishing the electrical contact.
  • a second step represented on the figure 1d , the stripped end of a conductive wire is introduced manually into the guided opening 6.
  • This opening is configured to guide the advancement of the conductive wire in the direction of the pinch pin 5.
  • the advancement of the conductive wire leads to raising this lug allowing the progression of the stripped portion of the wire towards the bottom of the housing.
  • the conductive wire can continue its progression, for example until the insulating sheath comes into abutment with the guided opening 6 as shown in Figure 1c.
  • the stripped portion of the conductor wire is kept in electrical contact with the metal clip 1 by pinching the pin 5.
  • the slight penetration of the pinch pin in the conductive wire prevents the extraction of this wire driver. Accordingly, the disengagement of the wire from the metal clip 1 requires cutting the wire, for example using a cutting pliers, at the guided opening 6, to allow the extraction of the segment of the residual wire to through the opening clearance 7.
  • This first embodiment is advantageous in that it allows the conductive wire to be connected to the flat metal element without the need for tools.
  • the metal clip 1 according to this first embodiment consists of a single metal part, which makes its manufacture particularly simple.
  • the three other embodiments of the invention which follow are distinguished from the first embodiment in that the connecting means of the metal clip 1 consist of an additional piece for fixing the conductive wire, placed in the second housing 3b.
  • the fixing piece of the conductive wire is constituted by a nut 9.
  • the wings 2a, 2b, 2c are each provided with an opening 8a, 8b, 8c facing each other allowing the passage of a screw 9 ' , and of which only the opening 8c of the wing 2c is visible on the figure 2a .
  • the nut 9 may be formed of a cylindrical threaded bore 9a, configured to cooperate with the screw 9 ', and a crushing collar 9b.
  • the cylindrical bore 9a protrudes from the opening 8c of the third wing 2c.
  • At least a portion of the free edges of the third wing 2c is folded inwardly of the second housing 3b thus forming a stop for the crush collar to block the rotation of the nut 9 during the introduction of the screw 9 '.
  • FIGS. 2b to 2e illustrate the use of the metal clip 1 of electrical connection of the second embodiment.
  • the metal clip 1 is attached to the flat metal member.
  • the element planar metal is provided with a passage opening of a screw and the clip 1 mounted to align this opening to the openings 8a, 8b, 8c.
  • the screw 9 is inserted into the metal clip 1 which leads to clearing a free space in the second housing 3b between the nut 9 and the second wing 2b.
  • the screw can be partially screwed on the nut 9.
  • the stripped end of the conductor wire can then be introduced into the free space of the second housing 3b.
  • This second embodiment is advantageous in that it makes it easy to disconnect the conductive wire from the metal clip 1 by simply unscrewing the screw 9 '.
  • the wire fixing part is formed of a projecting piece 10 through an opening 8c formed on the third wing 2c.
  • the protruding part 10 is provided with a lateral opening 11 for receiving the end of the conductive wire when it is oriented, opposite the metal clip 1, in a direction having a transverse component.
  • the protruding part 10 can be moved so as to allow the pinching of the conductive wire between the contour of the opening 11 and a surface of the third wing 2c.
  • At least a portion of the contour of the lateral opening 11 of the protruding part 10 is sharpened to form a blade 12 for cutting the insulating sheath of the conductive wire and the electrical contact of the conductive wire and the metal clip 1 .
  • the projecting piece has two L-shaped flanks 14a, 14b integral with an upper part of the projecting piece 10 at the elastically deformable connection levels. These two flanks 14a, 14b are forced against the edges of the cutout forming the opening 8c, which keeps the projecting piece 10 in position.
  • the projecting piece 10 can be moved in a direction of depression perpendicular to the plane defined by the third wing 2c, to place it in a locking position.
  • the blocking of the protruding part 10 can be improved in this electrical contact position by means of surface patterns 15, such as ribs, formed on the sidewalls 14a, 14b of the projecting piece 10 for housing the protruding edges of the cutout forming the opening 8c.
  • the Figures 3b to 3e illustrate the use of the metal clip 1 of electrical connection of the third embodiment.
  • the metal clip 1 is attached to the flat metal element, as shown in FIG. figure 3b .
  • a second step represented on the figure 3c and 3d the end of the conductive wire, which may or may not be stripped, is introduced into the opening 11 of the projecting piece 10.
  • the protruding part 10 is moved in the driving direction, manually or with the aid of a tool such as a screwdriver or a hammer, and placed in the locking position by means of the elastic support of the flanks 14a, 14b on the edges of the cutout forming the opening 8c, and possibly by housing the projecting edges of the cutout forming the opening 8a in the patterns 15 formed on the sidewalls 14a, 14b.
  • a tool such as a screwdriver or a hammer
  • the blade 12 cuts the insulating sheath of the conductive wire and comes into electrical contact with this wire.
  • the fourth embodiment of the invention forms a variant of the third embodiment which has just been presented.
  • the projecting piece 10 has a circular section allowing it to move in rotation in the housing 3b.
  • the protruding part 10 is provided with an imprint on its upper part allowing the positioning of a screwdriver or a similar tool.
  • An abutment device 13 makes it possible to limit the rotation of the projecting piece between a position of insertion of the wire and a blocking position.
  • the lateral opening 11 is oblong in shape, ramp. Its dimension is sufficient to receive the end of the conductive wire when it is oriented, opposite the metal clip 1, in a direction having a transverse component and when the projecting piece 10 is oriented in its insertion position.
  • the metal clip 1 is attached to the flat metal element, as shown in FIG. figure 4b .
  • the protruding portion 10 is advantageously oriented in an insertion position for bringing the end of the conductive wire to the metal clip 1 and to place it in the lateral opening 11 oblong ramp.
  • the protruding part 10 is rotated by means of a tool, to place it in the locking position. This rotation causes the insulation sheath to be cut through the blade 12 formed on the ramp of the lateral opening 11, and the electrical contact of the conductive wire with the metal clip 1.
  • the metal fastening clip 1 is easily achievable from a sheet or flat and thin plate of metal, by stamping, folding and / or cutting operations.
  • the clip, once produced, can be subjected to heat treatments to enhance its mechanical characteristics and undergo surface treatments.

Landscapes

  • Clamps And Clips (AREA)
  • Multi-Conductor Connections (AREA)
  • Connections By Means Of Piercing Elements, Nuts, Or Screws (AREA)
  • Connections Effected By Soldering, Adhesion, Or Permanent Deformation (AREA)
  • Coupling Device And Connection With Printed Circuit (AREA)
EP16733160.2A 2015-06-01 2016-06-01 Clip metallique de connexion electrique d'un fil conducteur a un element metallique Active EP3304648B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL16733160T PL3304648T3 (pl) 2015-06-01 2016-06-01 Metalowy zacisk do połączenia elektrycznego drutu przewodzącego z elementem metalowym

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1554952A FR3036857B1 (fr) 2015-06-01 2015-06-01 Clip metallique de connexion electrique d'un fil conducteur a un element metallique
PCT/FR2016/051303 WO2016193615A1 (fr) 2015-06-01 2016-06-01 Clip metallique de connexion electrique d'un fil conducteur a un element metallique

Publications (2)

Publication Number Publication Date
EP3304648A1 EP3304648A1 (fr) 2018-04-11
EP3304648B1 true EP3304648B1 (fr) 2019-05-29

Family

ID=54140600

Family Applications (1)

Application Number Title Priority Date Filing Date
EP16733160.2A Active EP3304648B1 (fr) 2015-06-01 2016-06-01 Clip metallique de connexion electrique d'un fil conducteur a un element metallique

Country Status (13)

Country Link
US (1) US10141662B2 (zh)
EP (1) EP3304648B1 (zh)
JP (1) JP2018516440A (zh)
CN (2) CN206282991U (zh)
BR (1) BR112017025829A2 (zh)
CA (1) CA2987825C (zh)
ES (1) ES2734265T3 (zh)
FR (1) FR3036857B1 (zh)
MX (1) MX2017015584A (zh)
PL (1) PL3304648T3 (zh)
PT (1) PT3304648T (zh)
TR (1) TR201910064T4 (zh)
WO (1) WO2016193615A1 (zh)

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WO2013101597A1 (en) 2011-12-29 2013-07-04 Haddock Dustin M M Mounting device for nail strip panels
FR3036857B1 (fr) * 2015-06-01 2017-07-07 A Raymond Et Cie Clip metallique de connexion electrique d'un fil conducteur a un element metallique
AU2017302659B2 (en) 2016-07-29 2020-07-16 Rmh Tech Llc Trapezoidal rib mounting bracket with flexible legs
CN109716590B (zh) * 2016-08-24 2021-05-04 豪倍公司 端子线夹
WO2018081722A1 (en) 2016-10-31 2018-05-03 Haddock Dustin M M Metal panel electrical bonding clip
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WO2019050825A1 (en) * 2017-09-06 2019-03-14 Hubbell Incorporated CABLE CLIPS
AU2018348090B2 (en) 2017-10-09 2021-11-18 Rmh Tech Llc Rail assembly with invertible side-mount adapter for direct and indirect mounting applications
US10903785B2 (en) 2018-03-21 2021-01-26 Rmh Tech Llc PV module mounting assembly with clamp/standoff arrangement
FR3082669B1 (fr) * 2018-06-15 2021-09-03 A Raymond Et Cie Clip metallique de connexion electrique d’un fil conducteur a un element metallique
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AU2019397167B2 (en) 2018-12-14 2023-04-06 Rmh Tech Llc Mounting device for nail strip panels
CN109904635A (zh) * 2019-01-09 2019-06-18 深圳市信维通信股份有限公司 一种弹片结构
EP3832810A1 (de) * 2019-12-02 2021-06-09 Andreas Stihl AG & Co. KG Steckverbinder zur elektrischen verbindung einer steckfahne mit einer elektrischen leitung eines motorangetriebenen garten- und/oder forstbearbeitungsgeräts und motorangetriebenes garten- und/oder forstbearbeitungsgerät
GB2592263B (en) * 2020-02-24 2024-06-12 Linian Lab Ltd Fastening device
EP4121610A4 (en) 2020-03-16 2024-03-27 RMH Tech LLC FASTENING DEVICE FOR A METAL ROOF
US11041310B1 (en) 2020-03-17 2021-06-22 Rmh Tech Llc Mounting device for controlling uplift of a metal roof
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FR3142615A1 (fr) * 2022-11-29 2024-05-31 Valeo Systemes De Controle Moteur Interconnexion entre l’ensemble électronique et l’ensemble moteur d’une machine électrique tournante

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Also Published As

Publication number Publication date
CN106207524B (zh) 2020-05-22
PL3304648T3 (pl) 2019-11-29
CA2987825A1 (fr) 2016-12-08
US10141662B2 (en) 2018-11-27
CA2987825C (fr) 2023-08-15
TR201910064T4 (tr) 2019-08-21
WO2016193615A1 (fr) 2016-12-08
EP3304648A1 (fr) 2018-04-11
JP2018516440A (ja) 2018-06-21
PT3304648T (pt) 2019-08-01
MX2017015584A (es) 2018-09-26
CN106207524A (zh) 2016-12-07
FR3036857B1 (fr) 2017-07-07
CN206282991U (zh) 2017-06-27
US20180159249A1 (en) 2018-06-07
ES2734265T3 (es) 2019-12-05
BR112017025829A2 (pt) 2018-08-14
FR3036857A1 (fr) 2016-12-02

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