WO2022192279A1 - Plateau de gestion de fibres optiques avec agencement de montage d'étiquette - Google Patents

Plateau de gestion de fibres optiques avec agencement de montage d'étiquette Download PDF

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Publication number
WO2022192279A1
WO2022192279A1 PCT/US2022/019373 US2022019373W WO2022192279A1 WO 2022192279 A1 WO2022192279 A1 WO 2022192279A1 US 2022019373 W US2022019373 W US 2022019373W WO 2022192279 A1 WO2022192279 A1 WO 2022192279A1
Authority
WO
WIPO (PCT)
Prior art keywords
label
tray
stem
fiber
opening
Prior art date
Application number
PCT/US2022/019373
Other languages
English (en)
Inventor
Bart Mattie Claessens
Geert Van Genechten
Original Assignee
Commscope Technologies Llc
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 Commscope Technologies Llc filed Critical Commscope Technologies Llc
Publication of WO2022192279A1 publication Critical patent/WO2022192279A1/fr

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
    • G02B6/4439—Auxiliary devices
    • G02B6/444—Systems or boxes with surplus lengths
    • G02B6/4453—Cassettes
    • G02B6/4454—Cassettes with splices
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
    • G02B6/4439—Auxiliary devices
    • G02B6/444—Systems or boxes with surplus lengths
    • G02B6/4441—Boxes
    • G02B6/4446—Cable boxes, e.g. splicing boxes with two or more multi fibre cables

Definitions

  • Telecommunications systems typically employ a network of telecommunications cables capable of transmitting large volumes of data and voice signals over relatively long distances.
  • Telecommunications cables can include fiber optic cables, electrical cables, or combinations of electrical and fiber optic cables.
  • a typical telecommunications network also includes a plurality of telecommunications enclosures integrated throughout the network of telecommunications cables.
  • the telecommunications enclosures can include equipment having structures for routing and managing optical fibers.
  • telecommunications closures house a fiber organizing assembly (or “organizer”) having equipment for organizing fibers, storing fibers, and optically connecting provider side fibers to subscriber side fibers.
  • Such organizers typically include equipment, such as pivotally mounted trays, that can support fiber management components, such as power splitters, wave division multiplexers, and protective splice bodies. In some applications, it can be useful to apply labels to the trays that are visible at an exterior of the trays. Summary In general terms, the present disclosure is directed to improvements in optical fiber management trays that can be used in optical fiber organizers housed in telecommunications closures.
  • a fiber management tray includes a label mounting arrangement that provides for improved mounting of a label to, and improved removal of a label from, the fiber management tray.
  • the present disclosure is directed to improvements in optical fiber organizers that can be housed in telecommunications closures.
  • the present disclosure is directed to improvements in telecommunications closures.
  • Advantages of label mounting arrangements according to the present disclosure can include a simplified mounting process that securely mounts the label to the tray.
  • Other advantages of label mounting arrangements according to the present disclosure can include a simplified removal process for removing a label from a tray, e.g., to replace the removed label with another label.
  • an optical fiber management tray for an optical fiber organizer of a telecommunications closure includes: a fiber management surface defining a fiber loop area configured to support loops or portions of loops of optical fibers and a fiber work area configured to support a fiber management component; a wall extending away from the fiber management surface at an outer perimeter of the fiber management surface, the fiber management surface being positioned at an interior side of the wall; and a label mounting arrangement, the label mounting arrangement including a mounting body, the mounting body including: a stem extending from a first end at a surface of the wall to a second end; and a bulbous portion positioned at the second end of the stem.
  • an assembly includes: an optical fiber management tray for an optical fiber organizer of a telecommunications closure, including: a fiber management surface defining a fiber loop area configured to support loops or portions of loops of optical fibers and a fiber work area configured to support a fiber management component; a wall extending away from the fiber management surface at an outer perimeter of the fiber management surface, the fiber management surface being positioned at an interior side of the wall; and a label mounting arrangement, the label mounting arrangement including mounting bodies spaced apart from each other, each mounting body including: a stem extending from a first end at a surface of the wall to a second end; and a bulbous portion positioned at the second end of the stem; and a label, the label including an elongate label body defining resilient elongate openings spaced apart from each other, each opening having a relaxed configuration, the openings being configured to stretch in at least one dimension from the relaxed configuration to a stretched configuration to permit the bulbous portions to pass through the openings, the openings being further configured
  • FIG.1 is a perspective view of a telecommunications closure in accordance with the present disclosure, the closure being in a closed configuration.
  • FIG.2 is a perspective view of the housing pieces of the closure of FIG.1.
  • FIG.3 is a perspective view of a portion of an optical fiber management organizer according to the present disclosure.
  • FIG.4 is an enlarged view of the called-out portion A of FIG.3.
  • FIG.5 is a perspective view of one of the fiber management trays of FIG.3, including a label mounted to a mounting arrangement of the tray according to the present disclosure.
  • FIG.6 is an enlarged view of the called-out portion B of FIG.5.
  • FIG.7 is an enlarged view of the called-out portion C of FIG.5.
  • FIG.8 is an end view of the tray and label of FIG.5.
  • FIG.9 is an enlarged view of the called-out portion D of FIG.8.
  • FIG.10 is a side view of the tray and label of FIG.5.
  • FIG.11 is an enlarged view of the called-out portion E of FIG.10.
  • FIG.12 is a planar view of the tray and label of FIG.5.
  • FIG.13 is an enlarged view of the called-out portion F of FIG.12.
  • FIG.14 is a perspective cross-section of the tray and label of FIG.5 along the line H-H in FIG.12.
  • FIG.15 is an enlarged view of the called-out portion I of FIG.14.
  • FIG.16 is a perspective cross-section of the tray and label of FIG.5 along the line G-G in FIG.12.
  • FIG.17 is an enlarged view of the called-out portion J of FIG.16.
  • FIG.18 is an exploded view of a portion of the tray and label of FIG.5.
  • a telecommunications closure 10 extends along a longitudinal axis 12 between a proximal end 14 and a distal end 16.
  • the closure 10 extends along a transverse axis 18 between a first side 20 and a second side 22.
  • the closure 10 extends along a vertical axis 24 between a top 26 and a bottom 28.
  • the axes 12, 18 and 24 are mutually perpendicular, with the axes 12 and 18 defining a horizontal plane.
  • terms such as proximal, distal, top, bottom, upper, lower, vertical, horizontal and so forth will be used with reference to the axes 12, 18, and 24 of FIG.1 and in relating the positions of one component to another with respect to the full closure assembly of FIG.1. These relative terms are for ease of description only, and do not limit how the closure 10 or any individual component or combination of components, may be oriented in practice.
  • the closure 10 includes a first upper housing piece 30 and a second lower housing piece 32 that cooperate (e.g., with hinges, clamps, etc.) to form a sealable and re-enterable closure volume 40.
  • a perimeter seal element 31 forms a seal about three sides of the closure volume 40 when the closure 10 is in a sealed and closed configuration.
  • the closure volume 40 is configured to house a fiber management organizer 34. Cables enter the closure volume 40 via the opening 36 and sealed cable ports defined by the internal portion of the cable organizer 34.
  • the cable organizer 34 is configured to accommodate relatively thick cables (such as feeder cables and branch cables) entering the closure 10 via a lower region 38 of the cable organizer 34, and relatively thin cables (such as drop cables) entering the closure via an upper region 42 of the cable organizer 34.
  • the organizer 100 can cooperate with housing pieces of a closure such as the closure 10 described above.
  • the organizer 100 can cooperate with the housing pieces 30, 32 as described above with respect to FIGS.1 and 2.
  • the organizer 100 can be positioned in the closure volume 40 (FIGS.1-2).
  • the organizer 100 includes a tray support structure 120.
  • To the tray support structure are pivotally mounted fiber management trays 122.
  • the fiber management trays 122 have features for managing optical fibers, such as fiber routing features, and structures for retaining fiber management components, such as splitters, wave division multiplexers, protective splice bodies, etc.
  • the trays 122 When mounted to the tray support structure 120 as shown, the trays 122 form a stack 124 of the trays 122, with one tray atop another in the stack 124. In the configuration shown in FIG.3, all of the trays 122 are in a storage configuration, such as would occur when the organizer 100 is housed in a sealed closure. To manage fibers on the trays 122, the organizer 100 is removed or partially removed from the closure. At this point, the trays 122 can be pivoted in the direction 128 about their hinge arrangements 130 with the tray support structure 120 to provide access to the fiber management surfaces of trays in the stack 124 below the pivoted trays.
  • the hinge arrangements 130 include locking features (such as squared hinge pins 179 (FIG.5)) configured to lock each tray in one or more pivoted open positions relative to other trays unless sufficient force is applied to disengage the locking interface.
  • a label 200 is removably mounted to each of the trays 122.
  • each tray 122 includes a fiber management surface 132.
  • the fiber management surface 132 defines a plane, which is defined by perpendicular axes 133 and 135 parallel to the surface 132.
  • An outer wall 134 extends away from the fiber management surface 132 parallel to an axis 137, which is perpendicular to the axes 133 and 135.
  • Fibers from optical cables entering the telecommunications closure are routed to the tray support structure 120 and then onto a tray 122 via fiber entryways 123 and 125 adjacent the hinge arrangement.
  • the wall 134 defines an interior 141 of the tray 122 and an exterior 143 of the tray 122.
  • the tray 122 defines a fiber routing area 136 on the fiber management surface 132 and a fiber work area 138 on the fiber management surface 132.
  • the fiber routing area 136 includes a spool structure 140 and retaining tabs 142 that, together with the wall 134 and the fiber management surface 132 define channels for routing fibers to different parts of the tray 122 and storing loops of fibers.
  • the fiber work area 138 includes a block 144 defining splice body holders 146.
  • the splice body holders include tabs 148 with catches to secure splice bodies that protect splices between optical fibers.
  • the block 144 is mounted to the fiber management surface 132. That is, in some examples, the block 144 is not of unitary, seamless construction with the tray 122, but is rather a part that can be securely mounted to the tray 122.
  • the fiber work area 138 also includes a component retaining arrangement 152.
  • the component retaining arrangement 152 is configured to securely retain a fiber management component, such as a splitter module, a wave division multiplexer module, a protective splice body (e.g., a single splice body that protects multiple splices), etc.
  • the component retaining arrangement 152 is configured to adjust to different sizes of such components.
  • the arrangement 152 includes features that adjust to retain splitter modules of different sizes.
  • the tray 122 also includes a label mounting arrangement.
  • the label mounting arrangement can be unitarily formed with the rest of the tray 122 in a seamless construction.
  • the tray 122 including all the features of the label mounting arrangement, can be molded in a single mold of polymeric material.
  • the label mounting arrangement is configured to securely mount a label, such as the label 200, to the tray 122.
  • the label mounting arrangement is configured to be securely mounted to the tray 122 without adhesive and without a fastener.
  • the label mounting arrangement and label assembly is configured such that the label can be easily removed from the tray 122, e.g., in order to replace the label 200 with another label.
  • the label 200 can include any desirable indicia, such as text, a selected color, etc., to indicate a feature or characteristic of the tray 122 to which it is mounted, or of the organizer or closure associated with the tray 122.
  • the label 200 can include indicia that indicate whether the tray has capacity for additional fiber management or is at full capacity.
  • the label 200 can include indicia that indicate a type of fiber that is routed on the tray 122.
  • the label 200 is configured such that the indicia can be written on the label body 202.
  • the label 200 includes handwritten indicia on the label body 202.
  • the label mounting arrangement includes two mounting bodies 160, 162 spaced apart from each other parallel to the axis 135.
  • the mounting bodies 160, 162 are of identical construction to each other.
  • the mounting bodies 160, 162 extend outwardly from an exterior side or surface 172 of the wall 134.
  • Each mounting body 160, 162 includes a stem 164 extending parallel to the axis 133 from a first end 168 at an exterior surface 172 of the wall 134 to a second end 170.
  • Each mounting body 160, 162 also includes a bulbous portion 166 positioned at the second end 170 of the stem 164.
  • the bulbous portion 166 has a maximum dimension parallel to the axis 137 that is greater than a corresponding maximum dimension of the stem 164.
  • the stem 164 has a maximum dimension parallel to the axis 135 that is greater than a corresponding maximum dimension of the bulbous portion 166.
  • each bulbous portion 166 has a round profile in a plane perpendicular to the axis 133 and parallel to a plane defined by the axes 135 and 137.
  • each bulbous portion has an oblong profile in a plane perpendicular to the axis 133 and parallel to a plane defined by the axes 135 and 137.
  • the label 200 includes an elongate label body 202 that, when mounted to the mounting bodies 160 and 162, is elongate parallel to the axis 135.
  • the label body 202 can be a strip of resiliently flexible material such as a polymeric material or a metal material. In some examples, the label body 202 can be constructed of an elastomeric material.
  • the label body 202 defines resilient openings 204, 206. The openings 204 and 206 are spaced apart along the elongate dimension of the label body. The openings 204 and 206 are spaced apart to correspond to the spacing between the mounting bodies 160 and 162.
  • the label body 202 is elongate parallel to the elongate dimension of the openings 204, 206.
  • Each opening 204, 206 has a relaxed configuration shown in the Figures.
  • Each opening 204, 206 is also configured to stretch in at least one dimension from the relaxed configuration to a stretched configuration to permit a bulbous portion 166 to pass through the opening 204, 206.
  • each opening 204, 206 can resiliently stretch parallel to the axis 137 and perpendicular to the elongate dimension of the label body 202.
  • Each opening 204, 206 is further configured to resiliently return towards and to the relaxed configuration after the bulbous portion passes through the opening 204, 206 and the opening 204, 206 is positioned to fully surround the stem 164, as shown in, e.g., FIGS.5- 7.
  • the maximum elongate dimension of each opening 204, 206 is parallel to a maximum elongate dimension of each stem 164 when the label 200 is mounted to the label mounting arrangement.
  • each opening 204, 206 is fully enclosed by the label body 202.
  • a longest dimension of each opening 204, 206 in the relaxed configuration is longer than a longest dimension of the bulbous portion 166.
  • the longest dimension of each opening 204, 206 in the relaxed configuration is at least 1.5 times a longest dimension of the bulbous portion.
  • a maximum transverse dimension of each stem 164 parallel to the axis 137 and perpendicular to the maximum elongate dimension of each stem is shorter than (e.g., no greater than 0.9 times, 0.8 times, 0.7 times, 0.6 times, 0.5 times) the maximum dimension of each bulbous portion 166 parallel to the axis 137.
  • An example method of mounting the label 200 to the optical fiber management tray 122 includes: stretching the openings 204, 206 such that the bulbous portions 166 pass through the openings 204, 206 and such that the openings 204, 206 are positioned to fully surround the stems 164, as shown in FIGS.5-7, for example.
  • the label can be removed by stretching the openings 204, 206 so that they sleeve back over the bulbous portions 166.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Light Guides In General And Applications Therefor (AREA)

Abstract

L'invention concerne des plateaux de gestion de fibres optiques avec des agencements de montage d'étiquettes pour améliorer l'installation et le retrait d'étiquettes sur les plateaux sans nécessiter d'adhésif et sans nécessiter d'éléments de fixation. Les agencements peuvent comprendre des tiges ayant des parties bulbeuses qui reçoivent des ouvertures définies par l'étiquette.
PCT/US2022/019373 2021-03-08 2022-03-08 Plateau de gestion de fibres optiques avec agencement de montage d'étiquette WO2022192279A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US202163158078P 2021-03-08 2021-03-08
US63/158,078 2021-03-08

Publications (1)

Publication Number Publication Date
WO2022192279A1 true WO2022192279A1 (fr) 2022-09-15

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2022/019373 WO2022192279A1 (fr) 2021-03-08 2022-03-08 Plateau de gestion de fibres optiques avec agencement de montage d'étiquette

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20050100302A1 (en) * 2001-02-12 2005-05-12 Fiber Optic Network Solutions Corp. Optical fiber enclosure system
CN202093215U (zh) * 2011-05-19 2011-12-28 深圳日海通讯技术股份有限公司 一种光纤熔接储纤模块
US20140348479A1 (en) * 2013-05-21 2014-11-27 Corning Optical Communications LLC Optical cable splice cassettes with device holder
US20190089141A1 (en) * 2017-09-21 2019-03-21 Cooper Technologies Company Splice plate with spacing indicia for cable tray section spacing
WO2020063662A1 (fr) * 2018-09-25 2020-04-02 中兴通讯股份有限公司 Plateau de soudage de fibres optiques

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20050100302A1 (en) * 2001-02-12 2005-05-12 Fiber Optic Network Solutions Corp. Optical fiber enclosure system
CN202093215U (zh) * 2011-05-19 2011-12-28 深圳日海通讯技术股份有限公司 一种光纤熔接储纤模块
US20140348479A1 (en) * 2013-05-21 2014-11-27 Corning Optical Communications LLC Optical cable splice cassettes with device holder
US20190089141A1 (en) * 2017-09-21 2019-03-21 Cooper Technologies Company Splice plate with spacing indicia for cable tray section spacing
WO2020063662A1 (fr) * 2018-09-25 2020-04-02 中兴通讯股份有限公司 Plateau de soudage de fibres optiques

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