WO2013165903A1 - Cable storage spool with center feed - Google Patents

Cable storage spool with center feed Download PDF

Info

Publication number
WO2013165903A1
WO2013165903A1 PCT/US2013/038657 US2013038657W WO2013165903A1 WO 2013165903 A1 WO2013165903 A1 WO 2013165903A1 US 2013038657 W US2013038657 W US 2013038657W WO 2013165903 A1 WO2013165903 A1 WO 2013165903A1
Authority
WO
WIPO (PCT)
Prior art keywords
cable
spool
telecommunications
telecommunications cable
route
Prior art date
Application number
PCT/US2013/038657
Other languages
French (fr)
Inventor
Daniel Ray Mertesdorf
Original Assignee
Adc Telecommunications , Inc.
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 Adc Telecommunications , Inc. filed Critical Adc Telecommunications , Inc.
Priority to CN201380034859.8A priority Critical patent/CN104412475B/en
Priority to EP13784515.2A priority patent/EP2845281A4/en
Publication of WO2013165903A1 publication Critical patent/WO2013165903A1/en

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H75/00—Storing webs, tapes, or filamentary material, e.g. on reels
    • B65H75/02—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks
    • B65H75/34—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks specially adapted or mounted for storing and repeatedly paying-out and re-storing lengths of material provided for particular purposes, e.g. anchored hoses, power cables
    • B65H75/38—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks specially adapted or mounted for storing and repeatedly paying-out and re-storing lengths of material provided for particular purposes, e.g. anchored hoses, power cables involving the use of a core or former internal to, and supporting, a stored package of material
    • B65H75/44—Constructional details
    • B65H75/4402—Guiding arrangements to control paying-out and re-storing of the material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H54/00—Winding, coiling, or depositing filamentary material
    • B65H54/02—Winding and traversing material on to reels, bobbins, tubes, or like package cores or formers
    • B65H54/28—Traversing devices; Package-shaping arrangements
    • B65H54/2896—Flyers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H57/00—Guides for filamentary materials; Supports therefor
    • B65H57/18—Guides for filamentary materials; Supports therefor mounted to facilitate unwinding of material from packages
    • B65H57/20—Flyers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H75/00—Storing webs, tapes, or filamentary material, e.g. on reels
    • B65H75/02—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks
    • B65H75/34—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks specially adapted or mounted for storing and repeatedly paying-out and re-storing lengths of material provided for particular purposes, e.g. anchored hoses, power cables
    • B65H75/38—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks specially adapted or mounted for storing and repeatedly paying-out and re-storing lengths of material provided for particular purposes, e.g. anchored hoses, power cables involving the use of a core or former internal to, and supporting, a stored package of material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H75/00—Storing webs, tapes, or filamentary material, e.g. on reels
    • B65H75/02—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks
    • B65H75/34—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks specially adapted or mounted for storing and repeatedly paying-out and re-storing lengths of material provided for particular purposes, e.g. anchored hoses, power cables
    • B65H75/38—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks specially adapted or mounted for storing and repeatedly paying-out and re-storing lengths of material provided for particular purposes, e.g. anchored hoses, power cables involving the use of a core or former internal to, and supporting, a stored package of material
    • B65H75/40—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks specially adapted or mounted for storing and repeatedly paying-out and re-storing lengths of material provided for particular purposes, e.g. anchored hoses, power cables involving the use of a core or former internal to, and supporting, a stored package of material mobile or transportable
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H75/00—Storing webs, tapes, or filamentary material, e.g. on reels
    • B65H75/02—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks
    • B65H75/34—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks specially adapted or mounted for storing and repeatedly paying-out and re-storing lengths of material provided for particular purposes, e.g. anchored hoses, power cables
    • B65H75/38—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks specially adapted or mounted for storing and repeatedly paying-out and re-storing lengths of material provided for particular purposes, e.g. anchored hoses, power cables involving the use of a core or former internal to, and supporting, a stored package of material
    • B65H75/44—Constructional details
    • B65H75/4457—Arrangements of the frame or housing
    • B65H75/4471—Housing enclosing the reel
    • 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
    • G02B6/4457—Bobbins; Reels
    • G02B6/4458—Coiled, e.g. extensible helix
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
    • H02G11/00—Arrangements of electric cables or lines between relatively-movable parts
    • H02G11/02—Arrangements of electric cables or lines between relatively-movable parts using take-up reel or drum
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2701/00—Handled material; Storage means
    • B65H2701/30—Handled filamentary material
    • B65H2701/32—Optical fibres or optical cables
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2701/00—Handled material; Storage means
    • B65H2701/30—Handled filamentary material
    • B65H2701/34—Handled filamentary material electric cords or electric power cables

Definitions

  • Spools, reels, cassettes, and cartridges can be used to store telecommunications cable (e.g., electrical cable and/or fiber optic cable).
  • the spools include a hub or a drum about which the cable is wound.
  • the hub of the spools is often cylindrical, and the cable is often wrapped around the cylindrical hub in a predominantly circumferential manner. By winding up the cable on the spool, the cable can be compactly stored and transported, protected from tangling and kinking, and kept ready for easy deployment.
  • An aspect of the present disclosure relates to a telecommunications cable spool for storing, paying-out, and reeling-in a telecommunications cable.
  • the telecommunications cable spool includes a spool, an axis of rotation, and a rotatable cable guide.
  • the spool defines a wrapping area that is adapted to receive a plurality of wraps of the telecommunications cable.
  • the wrapping area defines a
  • the axis of rotation passes through the spool within the
  • the rotatable cable guide is rotatably mounted about the axis of rotation.
  • the rotatable cable guide defines a rotating cable guide path that extends between a first end that is adjacent the wrapping area of the spool and a second end that is positioned nearer to the axis of rotation than the circumference of the wrapping area.
  • the first end of the rotating cable guide path is oriented at least partially tangential to the circumference of the wrapping area, and the second end of the rotating cable guide path is oriented at least partially aligned with the axis of rotation.
  • the telecommunications cable spool for storing and paying-out a telecommunications cable.
  • the telecommunications cable spool includes a cable route of a variable length, a spool that defines a wrapping area, and a guide member.
  • the telecommunications cable is routed along the variable length of the cable route.
  • the cable route extends between a first end and a second end.
  • the cable route includes a storage portion that is positioned between the first and the second ends of the cable route.
  • the storage portion includes a coil-like configuration.
  • the cable route includes a transitional portion that is positioned between the storage portion and the second end of the cable route.
  • the transitional portion includes a first end that smoothly transitions from the coil-like configuration of the storage portion and a second end.
  • a portion of the transitional portion is routed through the coil-like configuration of the storage portion.
  • the spool defines a wrapping area that is adapted to receive a plurality of wraps of the coil-like configuration of the storage portion of the cable route.
  • the guide member is adapted to guide the
  • the guide member is adapted to receive a stored portion of the telecommunications cable from the storage portion of the cable route and is adapted to pay-out a deployed portion of the telecommunications cable from the second end of the transitional portion of the cable route.
  • Figure 1 is an exploded perspective view of a cable winding unwinding device according to the principles of the present disclosure
  • Figure 2 is another exploded perspective view of the cable winding and unwinding device of Figure 1 ;
  • Figure 3 is a top plan view of the cable winding and unwinding device of Figure 1 ;
  • Figure 4 is a cross-sectional side elevation view of the cable winding and unwinding device of Figure 1 ;
  • Figure 5 is a bottom plan view of the cable winding and unwinding device of Figure 1 ;
  • Figure 6 is a side elevation view of the cable winding and unwinding device of Figure 1 ;
  • Figure 7 is an exploded perspective view of another cable winding and unwinding device according to the principles of the present disclosure.
  • Figure 8 is another exploded perspective view of the cable winding and unwinding device of Figure 7;
  • Figure 9 is a top plan view of the cable winding and unwinding device of Figure 7;
  • Figure 10 is a cross-sectional side elevation view of the cable winding and unwinding device of Figure 7;
  • Figure 1 1 is a cross-sectional end elevation view of the cable winding and unwinding device of Figure 7;
  • Figure 12 is an opposite end elevation view of the cable winding and unwinding device of Figure 7;
  • Figure 13 is a bottom plan view of the cable winding and unwinding device of Figure 7;
  • Figure 14 is a side elevation view of the cable winding and unwinding device of Figure 7;
  • Figure 15 is an exploded perspective view of still another cable winding and unwinding device according to the principles of the present disclosure.
  • Figure 16 is another exploded perspective view of the cable winding and unwinding device of Figure 15;
  • Figure 17 is a top plan view of the cable winding and unwinding device of Figure 15;
  • Figure 18 is a cross-sectional end elevation view of the cable winding and unwinding device of Figure 15;
  • Figure 19 is a cross-sectional side elevation view of the cable winding and unwinding device of Figure 15;
  • Figure 20 is a bottom plan view of the cable winding and unwinding device of Figure 15;
  • Figure 21 is a side elevation view of the cable winding and unwinding device of Figure 15;
  • Figure 22 is an exploded perspective view of yet another cable winding and unwinding device according to the principles of the present disclosure.
  • Figure 23 is another exploded perspective view of the cable winding and unwinding device of Figure 22;
  • Figure 24 is a top plan view of the cable winding and unwinding device of Figure 22;
  • Figure 25 is a cross-sectional side elevation view of the cable winding and unwinding device of Figure 22;
  • Figure 26 is a cross-sectional end elevation view of the cable winding and unwinding device of Figure 22;
  • Figure 27 is a bottom plan view of the cable winding and unwinding device of Figure 22;
  • Figure 28 is a side elevation view of the cable winding and unwinding device of Figure 22;
  • Figure 29 is a perspective view of still another cable winding and unwinding device according to the principles of the present disclosure, the cable winding and unwinding device storing a stored portion of a telecommunications cable and paying-out a paid-out portion of the telecommunications cable;
  • Figure 30 is the perspective view of Figure 29, but with a cable winder of the cable winding and unwinding device rotated from its position of Figure 29;
  • Figure 31 is the perspective view of Figure 29, but with a cut-away taken from the cable winder of Figure 30 and a housing and a cable routing guide structure of the cable winding and unwinding device thereby revealing a spool of the cable winding and unwinding device with the telecommunications cable wound around the spool;
  • Figure 32 is an elevation side view of the cable winding and unwinding device of Figure 29 with the cut-away of Figure 31 taken;
  • Figure 33 is a perspective view of the telecommunications cable of
  • Figure 34 is the perspective view of Figure 33, but with a cut-away taken from the cable winder, the spool, and the cable routing guide structure;
  • Figure 35 is an exploded perspective view of the cable winder of
  • Figure 36 is the perspective view of Figures 29 and 31, but showing only the cable winder of Figure 30 and the spool and the cable routing guide structure of Figure 31 assembled and with the cut-away of Figure 34 taken;
  • Figure 37 is the perspective view of Figures 29, 31 , and 36, but showing only the telecommunications cable of Figure 29;
  • Figure 38 is a perspective view of yet another cable winding and unwinding device according to the principles of the present disclosure.
  • Figure 39 is the perspective view of Figure 38, but with a cut-away taken;
  • Figure 40 is a perspective view of the cable winder of Figure 30 and the spool and the cable routing guide structure of Figure 31 assembled;
  • Figure 41 is a perspective view of still another cable winding and unwinding device according to the principles of the present disclosure, the perspective view of Figure 41 taken with a similar orientation to the perspective view of Figure 40;
  • Figure 42 is another perspective view of the cable winding and unwinding device of Figure 41 ;
  • Figure 43 is a top plan view of the cable winding and unwinding device of Figure 41. DETAILED DESCRIPTION
  • a cable spool assembly 100 may store, pay-out, and reel-in a telecommunications cable 80 (see Figure 37).
  • the telecommunications cable 80 extends between a first end 82 and a second end 84.
  • the first end 82 of the telecommunications cable 80 may remain attached to a first device, and the second end 84 of the
  • telecommunications cable 80 may remain attached to a second device while the cable spool assembly 100 stores, pays-out, and reels-in the telecommunications cable
  • the cable spool assembly 100 does not require a rotary union, but rather wraps 86 around the cable spool assembly 100 may be transformed into axial twist along a length of the telecommunications cable 80.
  • one rotation of the axial twist may be imparted to the telecommunications cable 80 as each of the wraps 86 are wound around the cable spool assembly 100.
  • the axial twist may be pre-applied to the telecommunications cable 80 and one rotation of the axial twist may be untwisted from the telecommunications cable 80 for each of the wraps 86 that are wrapped on the cable spool assembly 100.
  • an act of wrapping the telecommunications cable 80 about the cable spool assembly 100 imparts one rotation of the axial twist about the telecommunications cable 80 for each of the wraps 86 that are wrapped upon the cable spool assembly 100.
  • the wraps 86 may be transformed to the axial twist, and the axial twist may be transformed to the wraps 86.
  • the cable spool assembly 100 includes a spool portion 140 that is integrated with a base 120 of the cable spool assembly 100 and a winding/unwinding member 170 that defines a cable path 200.
  • the spool portion 140 includes a cable wrapping area 146, a first flange 152, a second flange 154, and a circumferential outer wall 156.
  • the first flange 146 extends between the wrapping area 146 and the circumferential outer wall 156.
  • the second flange 154 extends radially outwardly from the cable wrapping area 146, but is spaced an annular distance from the circumferential wall 156 and thereby forms an annular space 158.
  • the first flange 152 and the second flange 154 are each made of complimentary segments 162 and 164, respectively, that do not overlap each other along a circumferential direction.
  • an injection molding tool can be made to injection mold the spool portion 140 in one piece.
  • Spaces 166 i.e., gaps
  • the first flange 152 may provide an entrance/exit for the telecommunications cable 80.
  • the cable winding/unwinding member 170 includes a hub 172 that is positioned within the cable wrapping area 146 of the spool portion 140.
  • the winding/unwinding member 170 includes a flange 174 that extends radially outwardly from the hub 172 to a circumferential flange 176 that is positioned through the annular space 158 of the spool portion 140.
  • the winding/unwinding member 170 defines the cable path 200 that extends from a first end 202 to a second end 204.
  • the first end 202 is oriented at least partially tangential to the cable wrapping area 146 of the spool portion 140.
  • the first end 202 is positioned in the annular space 158 defined between the flange 154 and the circumferential outer wall 156 of the spool portion 140.
  • the cable path 200 extends from the first end 202 along an externally facing channel 178 that extends along the circumferential flange 176 of the winding/unwinding member 170 and then onto the flange 174 of the cable winding/unwinding member 170 where it spirals toward the hub 172 of the cable winding/unwinding member 170.
  • the cable path 200 is positioned generally tangentially as it approaches an axis Al of the cable winding/unwinding member 170 and is positioned within the cable wrapping area 146 of the spool portion 140.
  • the spool portion 140 defines an axis A2 that is concentric with the cable wrapping area 146.
  • the cable wrapping/unwrapping member 170 defines an axis A3 that is concentric with the outer flange 176 of the wrapping/unwrapping member 170.
  • the second end 204 of the cable path 200 exits the cable spool assembly 100 along a direction substantially parallel to the axes Al , A3.
  • the telecommunications cable 80 can be deployed from and retracted into an opening 206 (see Figures 4 and 5) that is positioned at the second end 204 of the cable path 200.
  • the opening 206 is defined on the winding/unwinding member 170.
  • the winding/unwinding member 170 may be rotated relative to the base 120 by engaging a drive attachment 194 (e.g., a hex head) of the hub 172.
  • a drive attachment 194 e.g., a hex head
  • the winding/unwinding member 170 may be rotated relative to the base 120 by engaging a drive attachment 194 (e.g., a hex head) of the hub 172.
  • a drive attachment 194 e.g., a hex head
  • a portion of the telecommunications cable 80 that is external to the cable spool assembly 100 is drawn into the opening 206 and begins following the cable path 200 starting at the second end 204 and leaving at the first end 202.
  • the telecommunications cable 80 is wrapped tangentially around the cable wrapping area 146 between the first flange 152 and the second flange 154. The wrapping may continue to multiple layers deep.
  • a portion of the telecommunications cable 80 that is wrapped about the cable wrapping area 146 may be drawn into the cable path 200 starting at the first end 202 and ending at the second end 204.
  • the deployment of the telecommunications cable 80 may rotate the winding/unwinding member 170 relative to the base 120 as tension in the telecommunications cable 80 may urge the rotation of the winding/unwinding member 170.
  • the first end 82 of the telecommunications cable 80 may be deployed through the opening 206.
  • a length of the telecommunications cable 80 may extend between the cable spool assembly 100 and the second end 84 and may exit the cable spool assembly 100 through the spaces 166 of the base 120.
  • the second end 84 is substantially positioned at a fixed distance relative to the cable spool assembly 100 and is therefore non-deployable.
  • the cable spool assembly 100' is similar to the cable spool assembly 100 and, in general, the description of the cable spool assembly 100' will focus on certain additional features provided on the cable spool assembly 100'.
  • the cable spool assembly 100' includes a base 120' and a winding/unwinding member 170'.
  • the winding/unwinding member 170' defines a cable path 200' similar to the cable path 200.
  • the cable path 200' includes an opening 206' with a smooth transitional area 208 that allows the telecommunications cable 80 to enter and exit the cable path 200' in a range of directions.
  • the transitional area 208 includes curved surfaces that prevent the telecommunications cable 80 from bending in excess of any bend radius limitations. Such bend radius limitations are typically found on optical fiber cables. The transitional area 208 may further benefit the cable spool assembly 100' by reducing friction as the telecommunications cable 80 enters and exits the cable spool assembly 100'.
  • the winding/unwinding member 170' may further include a drive attachment 194' that includes a square internal drive. As illustrated at Figure 7, the winding/unwinding member 170' may further include finger pockets 196 that may be engaged by placing a finger or a thumb in and thereby rotating the winding/unwinding member 170'.
  • the base 120' may include a set of fastener holes 168.
  • the fastener holes 168 may be used to mount the cable spool assembly 100' to a structure (a panel, a cabinet, etc.).
  • the base 120' may further include an entrance/exit 148. As illustrated, the entrance/exit 148 extends radially outwardly from a spool portion 140' and provides a conduit between an interior of the spool portion 140' and an exterior of the cable spool assembly 100'.
  • the smooth transitional area 208 and the entrance/exit 148 may work together to allow the telecommunications cable 80 to enter and exit the cable spool assembly 100' along a plane that is substantially parallel to a mounting plane of the cable spool assembly 100'.
  • the retraction and deployment of the telecommunications cable 80 from the cable spool assembly 100' is similar to that of the cable spool assembly 100.
  • the first end 82 of the telecommunications cable 80 may either be routed downwardly through the opening 206' and exit through a bottom of the cable spool assembly 100', or the first end 82 may be routed through the entrance/exit 148 and thereby enter and exit the cable spool assembly 100' substantially perpendicular to an axis of rotation of the winding/unwinding member 170' (e.g., the axis A3).
  • the second end 84 may enter/exit the cable spool assembly 100' in a manner similar to the cable spool assembly 100.
  • the first end 82 may be extended away from or retracted into the cable spool assembly 100' in any direction within a hemisphere H, as illustrated at Figure 1 1.
  • an entrance/exit vector V may vary in orientation as the first end 82 is extended from and retracted into the cable spool assembly 100'.
  • FIG. 15-21 a third embodiment of a cable spool assembly 100" is illustrated.
  • the cable spool assembly 100" is similar to the cable spool assembly 100' but may include smaller proportions on an entrance/exit guiding funnel 208' compared with the smooth transitional area 208.
  • FIG. 22-28 a fourth embodiment of a cable spool assembly 100"' is illustrated according to the principals of the present disclosure.
  • the cable spool assembly 100"' includes several of the features found in the cable spool assemblies 100, 100', and 100", and wraps and unwraps the
  • the cable spool assembly 100"' further includes a spring 350 that is rotationally connected between a winding/unwinding member 170" and a base 120".
  • a cable path 200" is substantially included in an interior of the winding/unwinding member 170" and is illustrated not including an externally facing channel.
  • the spring 350 may torsionally preload the winding/unwinding member 170" against the base 120" and thereby provide automatic retraction or semiautomatic retraction of the telecommunications cable 80 into the cable spool assembly 100"'.
  • the winding/unwinding member 170" may be held with respect to the base 120" and thereby prevent unwanted retraction of the telecommunications cable 80 even though the spring 350 is applying a torsional load between the winding/unwinding member 170" and the base 120".
  • the winding/unwinding member 170" includes a hub 172' that includes a catch and release mechanism 173 (see Figure 23).
  • the catch and release mechanism 173 may include dogs, one-way clutches, centrifugal weights, and/or other items that are typically found in spool hubs that have catch and release features.
  • the catch and release mechanism 173 may be adapted to hold the winding/unwinding member 170" rotationaily with respect to the base 120" at certain rotational positions. Alternatively, the catch and release mechanism 173 may be adapted to hold the winding/unwinding member 170" at certain rotational velocities and release the winding/unwinding member 170" at other rotational velocities and thereby allow a user to trigger the activation of the spring 350 and the rewinding of the telecommunications cable 80.
  • tension in the telecommunications cable 80 may result in winding the spring 350.
  • the winding of the spring 350 may be released upon the retraction of the telecommunications cable 80.
  • FIG. 29-37 and 40 a fifth embodiment of a cable spool assembly 100"" is illustrated according to the principals of the present disclosure.
  • the cable spool assembly 100"" wraps and unwraps the
  • the cable spool assembly 100" includes a base 120"' that has similarities to bases 120, 120', 120".
  • the cable spool assembly 100"" also includes a
  • winding/unwinding member 170"' similar to the winding/unwinding members 170, 170', 170".
  • the cable spool assembly 100"" may include a spool 400 that is rotationaily separate from the winding/unwinding member 170"' and the base 120"'.
  • the spool 400 may be connected to the base 120"'. The cable spool assembly 100"" may retract and deploy the
  • the winding/unwinding member 170"' may be spring loaded relative to the base 120"'.
  • the first end 82 may be pulled away from the cable spool assembly 100"" and thereby cause rotation of the winding/unwinding member 170"'.
  • the telecommunications cable 80 may be deployed by pulling on the second end 84 thereby rotating the spool 400.
  • deploying the telecommunications cable 80 by the first end 82 may be preferred as any twisting that may occur along the telecommunications cable 80 is distributed along a length of the telecommunications cable 80.
  • the telecommunications cable 80 may extend from the cable spool assembly 100"" along an axis A5 that includes an external portion 82e of the telecommunications cable 80 adjacent the first end 82 and an external portion 84e of the telecommunications cable 80 that is adjacent the second end 84.
  • the telecommunications cable 80 may be deployed and retracted along the axis A5, and portions of the telecommunications cable 80 on both sides of the cable spool assembly 100"" may be coaxial with each other.
  • the base 120"' may include a housing
  • the housing 500 may include a funnel 582 adjacent the external portion 82e, and a funnel 584 adjacent the external portion 84e.
  • the funnels 582, 584 allow the external portion 82e and the external portion 84e to be pulled in directions other than along the axis A5 without violating bend radius requirements of the telecommunications cable 80.
  • the base 120'" includes a first passage 502 that is adjacent the external portion 82e.
  • the base 120"' may also include a passage 504 adjacent the external portion 84e.
  • the passage 504 aligns the external portion 84e generally tangential to the spool 400.
  • the first passage 502 may align the external portion 82e with the external portion 84e.
  • the first passage 502 may further align the telecommunications cable 80 with the winding/unwinding member 170"'.
  • the telecommunications cable 80 is thereby aligned generally coaxially with an axis A6 of the cable spool assembly 100"' when transitioning between the first passage 502 and the winding/unwinding member 170"'.
  • the first passage 502 may be defined within a tube-like structure 512, and the passage 504 may be defined within a tube-like structure 514.
  • the first passage 502 may align with the funnel 582 at a first end.
  • the first passage 502 may become concentric with the axis A6 at a second end.
  • the spool 400 may be rotatably mounted on the second end of the structure 512. Likewise, the
  • the winding/unwinding member 170"' may be rotatably mounted at the second end of the structure 512.
  • the tube-like structure 514 may be aligned with the funnel 584 and may be further aligned with the first end of the first passage 502.
  • the winding/unwinding member 170"' may include a housing 600.
  • the housing 600 in conjunction with the housing 500, may substantially enclose the telecommunications cable 80 in the cable spool assembly 100"".
  • the housing 600 may rotate along with the winding/unwinding member 170"'.
  • the housing 600 may be sealed with the housing 500 and thereby provide a sealed enclosure with the housing 500 to house the telecommunications cable 80.
  • the winding/unwinding member 170"' may include a passage 602 that extends from a first end 602a (see Figure 33) to a second end 602b (see Figure 34).
  • the first end 602a may be generally tangentially aligned with the spool 400.
  • the first end 602a may be generally aligned with a wrapping area 402 of the spool 400.
  • the wrapping area 402 may extend between a first flange 404 and a second flange 406 of the spool 400.
  • the winding/unwinding member 170"' may be rotationally connected to the base 120"' by a threaded connection and thereby move the first end 602a as wrapping and unwrapping of the telecommunications cable 80 occurs and thereby wind the telecommunications cable 80 in a helical manner about the wrapping area 402 of the spool 400.
  • the winding/unwinding member 170"' may be connected to the base 120"' in such a way that reciprocating motion occurs between the winding/unwinding member 170"' and the base 120"' thereby winding the telecommunications cable 80 in a helical manner that reverses and continues with multiple layers of cable depth.
  • the passage 602 may be included in a tube-like structure 612.
  • the tube-like structure 612 may smoothly continue from the tube-like structure 512 at a joint between the tube-like structure 512 and the tube-like structure 612.
  • the tubelike structures 512, 514, and 612 may be coated internally with a low friction material (e.g., Teflon®) to facilitate easy passage of the telecommunications cable 80 through the passages 502, 504, and 602.
  • a low friction material e.g., Teflon®
  • the telecommunications cable 80 may be defined along various segments. As the telecommunications cable 80 is retracted and deployed, the telecommunications cable 80 may pass from one segment to other segments.
  • the external portion 82e is defined adjacent the first end 82 and may be a deployed portion of the telecommunications cable 80 adjacent the first end 82.
  • an interior segment 82i may be defined along the length of the first passage 502.
  • an interior segment 80i of the telecommunications cable 80 may be defined.
  • the interior segment 80i may be defined along the length of the passage 602.
  • a wrapping segment 80r may be defined about the wrapping area 402. The wrapping segment 80r may disappear upon all of the
  • an internal segment 84i may be defined within the tube-like structure 514.
  • the internal segment 84i may transition to the external portion 84e.
  • the external portion 84e terminates at the second end 84. Either or both of the ends 82, 84 may be terminated by a fiber optic connector.
  • FIG. 38 and 39 a sixth embodiment of a cable spool assembly 100""' is illustrated according to the principals of the present disclosure.
  • the cable spool assembly 100""' is similar to the cable spool assembly 100"" except that the external portion 82e is deployed from the cable spool assembly 100""' generally parallel to an axis A7 of the cable spool assembly 100""'.
  • the axis A7 is generally coaxial with an axis of rotation of the spool 400.
  • the cable spool assembly 100"'” may include a housing and other features that were illustrated on the cable spool assembly 100"".
  • the telecommunications cable 80 extends tangentially to the wrapping area 402 of the spool 400.
  • the external portion 84e is oriented approximately perpendicular to the external portion 82e.
  • the cable spool assembly 100""' includes a base 120"" similar to the base 120"' but with a tubular portion 512' that is centered about the axis A7.
  • the tube-like structure 512' includes a passage 502' that is generally concentric with the axis A7.
  • the cable spool assembly 100""" is in a similar perspective view as the cable spool assembly 100"".
  • the cable spool assemblies 100"" and 100""" generally perform in the same manner.
  • the cable spool assembly 100""” includes a tube-like portion 514' that is rotatably mounted about the tube-like structure 512 adjacent the spool 400.
  • the rotatable mounting of the tube-like structure 514' allows an angle a to be defined between the tube-like structure 512 and the tube-like structure 514'.
  • the angle a between the external portion 84e and the external portion 82e can be adjusted between 0 degrees and 360 degrees.
  • the angle a may be a fixed angle (e.g., 90 degrees, 180 degrees, 270 degrees, etc.) and may not necessarily be adjustable.
  • the angle a may be adjusted as desired, including while the telecommunications cable 80 is being deployed (i.e., paid-out) and/or reeled-in.
  • the cable spool assemblies 100, 100', 100", 100"', 100"", 100""', 100""” can pay-out and/or reel-in an extended length of the telecommunications cable 80 without disconnecting the telecommunications cable 80 from a paid-out end 82 (i.e. the first end).
  • the cable spool assemblies 100, 100', 100", 100"', 100"", 100""', 100""” can pay-out and/or reel- in the extended length of the telecommunications cable 80 without disconnecting the telecommunications cable 80 from a base end 84 (i.e. the second end).
  • the paid-out end 82 can be pulled from the cable spool assemblies 100, 100', 100", 100'", 100"", 100'"", 100"”” at various lengths including the extended lengths to bring the paid-out end 82 of the telecommunications cable 80 to a desired location.
  • 100"', 100"", 100""', 100""” do not require a rotary union. Rather, the wraps 86 of a stored portion of the telecommunications cable 80 within a storage area of the cable spool assembly 100, 100', 100", 100"', 100"", 100 , 100 ' are transformed into axial twist along the length of the telecommunications cable 80 while the cable spool assembly 100, 100', 100", 100'", 100"", 100 , 100””” is paying-out a paid-out portion of the telecommunications cable 80.
  • the accumulated twist in the telecommunications cable 80 can be managed by choosing an appropriate size (e.g., diameter) for the wrapping area 146, 402.
  • an optimal size of the wrapping area 146, 402 may be selected based on properties of the telecommunications cable 80 and the available space for the cable spool assembly 100, 100', 100", 100"', 100"", 100""', 100
  • the telecommunications cable 80 is transferred from the stored portion to a transitional portion (e.g., the segments 80i and/or 82i) and then to the paid-out portion 82e.
  • the transitional portion 80i, 82i is adjacent and between the wraps 86 of the stored portion and the paid-out portion 82e.
  • the paid-out end 82 is continuously connected to the base end 84 while the telecommunications cable 80 is being paid-out.
  • 100""" may include a terminal.
  • the terminal may not necessarily be substantially extendable from the cable spool assembly 100, 100', 100", 100"', 100"", 100 , 100""".
  • the terminal may be generally stationary with the cable spool assembly 100, 100', 100", 100"', 100"", 100""', 100""".
  • the terminal may be fixed with the base 120, 120', 120", 120"', 120"" of the cable spool assembly 100,
  • the terminal may be attached to the base
  • the terminal can be connectorized by a fiber optic connector and/or a fiber optic adaptor.
  • the terminal can be permanently or semi-permanently connected to a fiber optic component, a fiber optic network, etc. If it is desired to change the position of the first end 82, the terminal can remain connected to the fiber optic component, the fiber optic network, etc.
  • the wraps 86 can be unwrapped and transfered to the paid-out portion 82e of the telecommunications cable 80.
  • a number of the wraps 86 changes as the telecommunications cable 80 is paid-out.
  • the telecommunications cable 80 extends continuously between the first end 82 and the second end 84.
  • pulling the first end 82 actuates the cable spool assembly 100, 100', 100", 100'", 100"", 100""', 100""”.
  • pulling the first end 82 actuates the cable spool assembly 100, 100', 100", 100'", 100"", 100""', 100""".
  • the base 120, 120', 120", 120"', 120"" typically remains stationary.
  • 100""', 100"" may be combined.
  • the mounting side of a first of the cable spool assemblies 100" may be placed adjacent to the mounting side of a second of the cable spool assemblies 100".
  • the second ends 84 of the first and the second of the cable spool assemblies 100" may be merged (e.g., continuous with each other) thereby creating a cable spool assembly that can pay-out extended lengths of the telecommunications cable 80 from either of two ends.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Storing, Repeated Paying-Out, And Re-Storing Of Elongated Articles (AREA)
  • Light Guides In General And Applications Therefor (AREA)

Abstract

A telecommunications cable spool for storing, paying-out, and reeling-in a telecommunications cable includes a spool, an axis of rotation, and a rotatable cable guide mounted about the axis. The spool defines a wrapping area that receives a plurality of wraps of the cable and defines a circumference. The axis passes through the spool within the circumference. The guide defines a rotating cable guide path with a first end adjacent the wrapping area and a second end positioned near the axis. The first end of the path is oriented at least partially tangential to the circumference, and the second end of the path is oriented at least partially aligned with the axis. The cable is routed along a cable route that extends between first and second ends with a storage portion between the ends of the route. The route includes a transitional portion along the guide path between the storage portion and the second end of the route. A portion of the transitional portion is routed through a center of the storage portion. A deployed portion of the cable is paid-out from the second end of the cable route.

Description

CABLE STORAGE SPOOL WITH CENTER FEED
CROSS REFERENCE TO RELATED APPLICATIONS
10001] This application is being filed on 29 April 2013, as a PCT
International Patent application and claims priority to U.S. Patent Application Serial No. 61/640,449 filed on 30 April 2012, the disclosure of which is incorporated herein by reference in its entirety.
BACKGROUND
[0002] Spools, reels, cassettes, and cartridges can be used to store telecommunications cable (e.g., electrical cable and/or fiber optic cable). The spools include a hub or a drum about which the cable is wound. The hub of the spools is often cylindrical, and the cable is often wrapped around the cylindrical hub in a predominantly circumferential manner. By winding up the cable on the spool, the cable can be compactly stored and transported, protected from tangling and kinking, and kept ready for easy deployment.
SUMMARY
[0003] An aspect of the present disclosure relates to a telecommunications cable spool for storing, paying-out, and reeling-in a telecommunications cable. The telecommunications cable spool includes a spool, an axis of rotation, and a rotatable cable guide. The spool defines a wrapping area that is adapted to receive a plurality of wraps of the telecommunications cable. The wrapping area defines a
circumference. The axis of rotation passes through the spool within the
circumference of the wrapping area. The rotatable cable guide is rotatably mounted about the axis of rotation. The rotatable cable guide defines a rotating cable guide path that extends between a first end that is adjacent the wrapping area of the spool and a second end that is positioned nearer to the axis of rotation than the circumference of the wrapping area. The first end of the rotating cable guide path is oriented at least partially tangential to the circumference of the wrapping area, and the second end of the rotating cable guide path is oriented at least partially aligned with the axis of rotation.
[0004] Other aspects of the present disclosure may include a
telecommunications cable spool for storing and paying-out a telecommunications cable. The telecommunications cable spool includes a cable route of a variable length, a spool that defines a wrapping area, and a guide member. The
telecommunications cable is routed along the variable length of the cable route. The cable route extends between a first end and a second end. The cable route includes a storage portion that is positioned between the first and the second ends of the cable route. The storage portion includes a coil-like configuration. The cable route includes a transitional portion that is positioned between the storage portion and the second end of the cable route. The transitional portion includes a first end that smoothly transitions from the coil-like configuration of the storage portion and a second end. A portion of the transitional portion is routed through the coil-like configuration of the storage portion. The spool defines a wrapping area that is adapted to receive a plurality of wraps of the coil-like configuration of the storage portion of the cable route. The guide member is adapted to guide the
telecommunications cable along the transitional portion of the cable route. The guide member is adapted to receive a stored portion of the telecommunications cable from the storage portion of the cable route and is adapted to pay-out a deployed portion of the telecommunications cable from the second end of the transitional portion of the cable route.
[0005] A variety of additional aspects will be set forth in the description that follows. These aspects can relate to individual features and to combinations of features. It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the broad concepts upon which the embodiments disclosed herein are based.
DRAWINGS
[0006] Figure 1 is an exploded perspective view of a cable winding unwinding device according to the principles of the present disclosure; [0007] Figure 2 is another exploded perspective view of the cable winding and unwinding device of Figure 1 ;
[0008] Figure 3 is a top plan view of the cable winding and unwinding device of Figure 1 ;
[0009] Figure 4 is a cross-sectional side elevation view of the cable winding and unwinding device of Figure 1 ;
[0010] Figure 5 is a bottom plan view of the cable winding and unwinding device of Figure 1 ;
[0011] Figure 6 is a side elevation view of the cable winding and unwinding device of Figure 1 ;
[0012] Figure 7 is an exploded perspective view of another cable winding and unwinding device according to the principles of the present disclosure;
[0013] Figure 8 is another exploded perspective view of the cable winding and unwinding device of Figure 7;
[0014] Figure 9 is a top plan view of the cable winding and unwinding device of Figure 7;
[0015] Figure 10 is a cross-sectional side elevation view of the cable winding and unwinding device of Figure 7;
[0016] Figure 1 1 is a cross-sectional end elevation view of the cable winding and unwinding device of Figure 7;
[0017] Figure 12 is an opposite end elevation view of the cable winding and unwinding device of Figure 7;
[0018] Figure 13 is a bottom plan view of the cable winding and unwinding device of Figure 7;
[0019] Figure 14 is a side elevation view of the cable winding and unwinding device of Figure 7;
[0020] Figure 15 is an exploded perspective view of still another cable winding and unwinding device according to the principles of the present disclosure;
[0021] Figure 16 is another exploded perspective view of the cable winding and unwinding device of Figure 15;
[0022] Figure 17 is a top plan view of the cable winding and unwinding device of Figure 15; [0023] Figure 18 is a cross-sectional end elevation view of the cable winding and unwinding device of Figure 15;
[0024] Figure 19 is a cross-sectional side elevation view of the cable winding and unwinding device of Figure 15;
[0025] Figure 20 is a bottom plan view of the cable winding and unwinding device of Figure 15;
[0026] Figure 21 is a side elevation view of the cable winding and unwinding device of Figure 15;
[0027] Figure 22 is an exploded perspective view of yet another cable winding and unwinding device according to the principles of the present disclosure;
[0028] Figure 23 is another exploded perspective view of the cable winding and unwinding device of Figure 22;
[0029] Figure 24 is a top plan view of the cable winding and unwinding device of Figure 22;
[0030] Figure 25 is a cross-sectional side elevation view of the cable winding and unwinding device of Figure 22;
[0031] Figure 26 is a cross-sectional end elevation view of the cable winding and unwinding device of Figure 22;
[0032] Figure 27 is a bottom plan view of the cable winding and unwinding device of Figure 22;
[0033] Figure 28 is a side elevation view of the cable winding and unwinding device of Figure 22;
[0034] Figure 29 is a perspective view of still another cable winding and unwinding device according to the principles of the present disclosure, the cable winding and unwinding device storing a stored portion of a telecommunications cable and paying-out a paid-out portion of the telecommunications cable;
[0035] Figure 30 is the perspective view of Figure 29, but with a cable winder of the cable winding and unwinding device rotated from its position of Figure 29;
[0036] Figure 31 is the perspective view of Figure 29, but with a cut-away taken from the cable winder of Figure 30 and a housing and a cable routing guide structure of the cable winding and unwinding device thereby revealing a spool of the cable winding and unwinding device with the telecommunications cable wound around the spool;
[0037] Figure 32 is an elevation side view of the cable winding and unwinding device of Figure 29 with the cut-away of Figure 31 taken;
[0038] Figure 33 is a perspective view of the telecommunications cable of
Figure 29, the cable winder of Figure 30, and the spool and the cable routing guide structure of Figure 31 assembled;
[0039] Figure 34 is the perspective view of Figure 33, but with a cut-away taken from the cable winder, the spool, and the cable routing guide structure;
[0040] Figure 35 is an exploded perspective view of the cable winder of
Figure 30 and the spool and the cable routing guide structure of Figure 31 with a cutaway taken from the spool;
[0041] Figure 36 is the perspective view of Figures 29 and 31, but showing only the cable winder of Figure 30 and the spool and the cable routing guide structure of Figure 31 assembled and with the cut-away of Figure 34 taken;
[0042] Figure 37 is the perspective view of Figures 29, 31 , and 36, but showing only the telecommunications cable of Figure 29;
[0043] Figure 38 is a perspective view of yet another cable winding and unwinding device according to the principles of the present disclosure;
[0044] Figure 39 is the perspective view of Figure 38, but with a cut-away taken;
[0045] Figure 40 is a perspective view of the cable winder of Figure 30 and the spool and the cable routing guide structure of Figure 31 assembled;
[0046] Figure 41 is a perspective view of still another cable winding and unwinding device according to the principles of the present disclosure, the perspective view of Figure 41 taken with a similar orientation to the perspective view of Figure 40;
[0047] Figure 42 is another perspective view of the cable winding and unwinding device of Figure 41 ; and
[0048] Figure 43 is a top plan view of the cable winding and unwinding device of Figure 41. DETAILED DESCRIPTION
[0049] Reference will now be made in detail to the exemplary aspects of the present disclosure that are illustrated in the accompanying drawings. Wherever possible, the same reference numbers will be used throughout the drawings to refer to the same or like structure. When like structure is included on different embodiments, a prime ('), double prime ("), etc. may be appended to the same reference number to indicate the like structure on a different embodiment.
[0050] According to the principals of the present disclosure, a cable spool assembly 100 is disclosed that may store, pay-out, and reel-in a telecommunications cable 80 (see Figure 37). The telecommunications cable 80 extends between a first end 82 and a second end 84. The first end 82 of the telecommunications cable 80 may remain attached to a first device, and the second end 84 of the
telecommunications cable 80 may remain attached to a second device while the cable spool assembly 100 stores, pays-out, and reels-in the telecommunications cable
80.
[0051] The cable spool assembly 100 does not require a rotary union, but rather wraps 86 around the cable spool assembly 100 may be transformed into axial twist along a length of the telecommunications cable 80. In certain embodiments, one rotation of the axial twist may be imparted to the telecommunications cable 80 as each of the wraps 86 are wound around the cable spool assembly 100. In other embodiments, the axial twist may be pre-applied to the telecommunications cable 80 and one rotation of the axial twist may be untwisted from the telecommunications cable 80 for each of the wraps 86 that are wrapped on the cable spool assembly 100. In certain embodiments, an act of wrapping the telecommunications cable 80 about the cable spool assembly 100, imparts one rotation of the axial twist about the telecommunications cable 80 for each of the wraps 86 that are wrapped upon the cable spool assembly 100. By winding and unwinding the telecommunications cable 80 about the cable spool assembly 100, the wraps 86 may be transformed to the axial twist, and the axial twist may be transformed to the wraps 86.
[0052] Turning now to the figures and in particular Figures 1-6, a first embodiment of a cable spool assembly 100 is illustrated. The cable spool assembly 100 includes a spool portion 140 that is integrated with a base 120 of the cable spool assembly 100 and a winding/unwinding member 170 that defines a cable path 200. The spool portion 140 includes a cable wrapping area 146, a first flange 152, a second flange 154, and a circumferential outer wall 156. The first flange 146 extends between the wrapping area 146 and the circumferential outer wall 156. The second flange 154 extends radially outwardly from the cable wrapping area 146, but is spaced an annular distance from the circumferential wall 156 and thereby forms an annular space 158.
[0053] In the depicted embodiment, the first flange 152 and the second flange 154 are each made of complimentary segments 162 and 164, respectively, that do not overlap each other along a circumferential direction. By having the first flange 152 and the second flange 154 not overlap each other in the circumferential direction, an injection molding tool can be made to injection mold the spool portion 140 in one piece. Spaces 166 (i.e., gaps) on the first flange 152 may provide an entrance/exit for the telecommunications cable 80.
[0054] The cable winding/unwinding member 170 includes a hub 172 that is positioned within the cable wrapping area 146 of the spool portion 140. The winding/unwinding member 170 includes a flange 174 that extends radially outwardly from the hub 172 to a circumferential flange 176 that is positioned through the annular space 158 of the spool portion 140. The winding/unwinding member 170 defines the cable path 200 that extends from a first end 202 to a second end 204. The first end 202 is oriented at least partially tangential to the cable wrapping area 146 of the spool portion 140. The first end 202 is positioned in the annular space 158 defined between the flange 154 and the circumferential outer wall 156 of the spool portion 140.
[0055] The cable path 200 extends from the first end 202 along an externally facing channel 178 that extends along the circumferential flange 176 of the winding/unwinding member 170 and then onto the flange 174 of the cable winding/unwinding member 170 where it spirals toward the hub 172 of the cable winding/unwinding member 170. At the hub 172, the cable path 200 is positioned generally tangentially as it approaches an axis Al of the cable winding/unwinding member 170 and is positioned within the cable wrapping area 146 of the spool portion 140. The spool portion 140 defines an axis A2 that is concentric with the cable wrapping area 146. The cable wrapping/unwrapping member 170 defines an axis A3 that is concentric with the outer flange 176 of the wrapping/unwrapping member 170.
[0056] As illustrated at Figure 2 the second end 204 of the cable path 200 exits the cable spool assembly 100 along a direction substantially parallel to the axes Al , A3. The telecommunications cable 80 can be deployed from and retracted into an opening 206 (see Figures 4 and 5) that is positioned at the second end 204 of the cable path 200. The opening 206 is defined on the winding/unwinding member 170.
[0057] The winding/unwinding member 170 may be rotated relative to the base 120 by engaging a drive attachment 194 (e.g., a hex head) of the hub 172. By rotating the winding/unwinding member 170 in a first rotational direction Dl , as illustrated at Figure 1 , a portion of the telecommunications cable 80 that is external to the cable spool assembly 100 is drawn into the opening 206 and begins following the cable path 200 starting at the second end 204 and leaving at the first end 202. Upon leaving the cable path 200, the telecommunications cable 80 is wrapped tangentially around the cable wrapping area 146 between the first flange 152 and the second flange 154. The wrapping may continue to multiple layers deep.
[0058] Upon rotating the winding/unwinding member 170 in a second rotational direction D2 as illustrated at Figure 1 , a portion of the telecommunications cable 80 that is wrapped about the cable wrapping area 146 may be drawn into the cable path 200 starting at the first end 202 and ending at the second end 204. The deployment of the telecommunications cable 80 may rotate the winding/unwinding member 170 relative to the base 120 as tension in the telecommunications cable 80 may urge the rotation of the winding/unwinding member 170.
[0059] As illustrated at Figures 1 -6 and 37, the first end 82 of the telecommunications cable 80 may be deployed through the opening 206. A length of the telecommunications cable 80 may extend between the cable spool assembly 100 and the second end 84 and may exit the cable spool assembly 100 through the spaces 166 of the base 120. In the depicted embodiment, the second end 84 is substantially positioned at a fixed distance relative to the cable spool assembly 100 and is therefore non-deployable.
[0060] Turning now to Figures 7-14, another embodiment of a cable spool assembly 100' is illustrated. The cable spool assembly 100' is similar to the cable spool assembly 100 and, in general, the description of the cable spool assembly 100' will focus on certain additional features provided on the cable spool assembly 100'. As with the cable spool assembly 100, the cable spool assembly 100' includes a base 120' and a winding/unwinding member 170'. The winding/unwinding member 170' defines a cable path 200' similar to the cable path 200. However, the cable path 200' includes an opening 206' with a smooth transitional area 208 that allows the telecommunications cable 80 to enter and exit the cable path 200' in a range of directions. The transitional area 208 includes curved surfaces that prevent the telecommunications cable 80 from bending in excess of any bend radius limitations. Such bend radius limitations are typically found on optical fiber cables. The transitional area 208 may further benefit the cable spool assembly 100' by reducing friction as the telecommunications cable 80 enters and exits the cable spool assembly 100'.
[0061] The winding/unwinding member 170' may further include a drive attachment 194' that includes a square internal drive. As illustrated at Figure 7, the winding/unwinding member 170' may further include finger pockets 196 that may be engaged by placing a finger or a thumb in and thereby rotating the
winding/unwinding member 170' relative to the base 120'.
[0062] The base 120' may include a set of fastener holes 168. The fastener holes 168 may be used to mount the cable spool assembly 100' to a structure (a panel, a cabinet, etc.). The base 120' may further include an entrance/exit 148. As illustrated, the entrance/exit 148 extends radially outwardly from a spool portion 140' and provides a conduit between an interior of the spool portion 140' and an exterior of the cable spool assembly 100'. The smooth transitional area 208 and the entrance/exit 148 may work together to allow the telecommunications cable 80 to enter and exit the cable spool assembly 100' along a plane that is substantially parallel to a mounting plane of the cable spool assembly 100'.
[0063] The retraction and deployment of the telecommunications cable 80 from the cable spool assembly 100' is similar to that of the cable spool assembly 100. However, the first end 82 of the telecommunications cable 80 may either be routed downwardly through the opening 206' and exit through a bottom of the cable spool assembly 100', or the first end 82 may be routed through the entrance/exit 148 and thereby enter and exit the cable spool assembly 100' substantially perpendicular to an axis of rotation of the winding/unwinding member 170' (e.g., the axis A3). The second end 84 may enter/exit the cable spool assembly 100' in a manner similar to the cable spool assembly 100.
[0064] In configurations of the cable spool assembly 100' that include the first end 82 of the telecommunications cable 80 exiting in a downward direction, the first end 82 may be extended away from or retracted into the cable spool assembly 100' in any direction within a hemisphere H, as illustrated at Figure 1 1.
Furthermore, an entrance/exit vector V may vary in orientation as the first end 82 is extended from and retracted into the cable spool assembly 100'.
[0065] Turning now to Figures 15-21, a third embodiment of a cable spool assembly 100" is illustrated. The cable spool assembly 100" is similar to the cable spool assembly 100' but may include smaller proportions on an entrance/exit guiding funnel 208' compared with the smooth transitional area 208.
[0066] Turning now to Figures 22-28, a fourth embodiment of a cable spool assembly 100"' is illustrated according to the principals of the present disclosure. The cable spool assembly 100"' includes several of the features found in the cable spool assemblies 100, 100', and 100", and wraps and unwraps the
telecommunications cable 80 in a similar manner when deploying and retracting the telecommunications cable 80. The cable spool assembly 100"' further includes a spring 350 that is rotationally connected between a winding/unwinding member 170" and a base 120". In addition, a cable path 200" is substantially included in an interior of the winding/unwinding member 170" and is illustrated not including an externally facing channel. The spring 350 may torsionally preload the winding/unwinding member 170" against the base 120" and thereby provide automatic retraction or semiautomatic retraction of the telecommunications cable 80 into the cable spool assembly 100"'.
[0067] In certain embodiments, it may be desired that the winding/unwinding member 170" be held with respect to the base 120" and thereby prevent unwanted retraction of the telecommunications cable 80 even though the spring 350 is applying a torsional load between the winding/unwinding member 170" and the base 120". To accommodate this, the winding/unwinding member 170" includes a hub 172' that includes a catch and release mechanism 173 (see Figure 23). The catch and release mechanism 173 may include dogs, one-way clutches, centrifugal weights, and/or other items that are typically found in spool hubs that have catch and release features. The catch and release mechanism 173 may be adapted to hold the winding/unwinding member 170" rotationaily with respect to the base 120" at certain rotational positions. Alternatively, the catch and release mechanism 173 may be adapted to hold the winding/unwinding member 170" at certain rotational velocities and release the winding/unwinding member 170" at other rotational velocities and thereby allow a user to trigger the activation of the spring 350 and the rewinding of the telecommunications cable 80. When deploying the telecommunications cable 80 from the cable spool assembly 100'", tension in the telecommunications cable 80 may result in winding the spring 350. The winding of the spring 350 may be released upon the retraction of the telecommunications cable 80.
[0068] Turning now to Figures 29-37 and 40, a fifth embodiment of a cable spool assembly 100"" is illustrated according to the principals of the present disclosure. The cable spool assembly 100"" wraps and unwraps the
telecommunications cable 80 similar to the cable spool assemblies 100, 100', 100", 100"'. The cable spool assembly 100"" includes a base 120"' that has similarities to bases 120, 120', 120". The cable spool assembly 100"" also includes a
winding/unwinding member 170"' similar to the winding/unwinding members 170, 170', 170".
[0069] In certain embodiments, the cable spool assembly 100"" may include a spool 400 that is rotationaily separate from the winding/unwinding member 170"' and the base 120"'. In other embodiments, the spool 400 may be connected to the base 120"'. The cable spool assembly 100"" may retract and deploy the
telecommunications cable 80 by rotationaily moving the winding/unwinding member 170"' relative to the base 120"'. As with the previous embodiments, the winding/unwinding member 170"' may be spring loaded relative to the base 120"'.
[0070] To deploy the telecommunications cable 80, the first end 82 may be pulled away from the cable spool assembly 100"" and thereby cause rotation of the winding/unwinding member 170"'. In addition, the telecommunications cable 80 may be deployed by pulling on the second end 84 thereby rotating the spool 400. In certain embodiments, deploying the telecommunications cable 80 by the first end 82 may be preferred as any twisting that may occur along the telecommunications cable 80 is distributed along a length of the telecommunications cable 80. [0071] As illustrated at Figure 31 , the telecommunications cable 80 may extend from the cable spool assembly 100"" along an axis A5 that includes an external portion 82e of the telecommunications cable 80 adjacent the first end 82 and an external portion 84e of the telecommunications cable 80 that is adjacent the second end 84. Thus, the telecommunications cable 80 may be deployed and retracted along the axis A5, and portions of the telecommunications cable 80 on both sides of the cable spool assembly 100"" may be coaxial with each other.
[0072] As illustrated at Figures 29-32, the base 120"' may include a housing
500 that generally encloses the telecommunications cable 80 when the
telecommunications cable 80 is within the cable spool assembly 100"". The housing 500 may include a funnel 582 adjacent the external portion 82e, and a funnel 584 adjacent the external portion 84e. The funnels 582, 584 allow the external portion 82e and the external portion 84e to be pulled in directions other than along the axis A5 without violating bend radius requirements of the telecommunications cable 80.
[0073] As depicted, the base 120'" includes a first passage 502 that is adjacent the external portion 82e. The base 120"' may also include a passage 504 adjacent the external portion 84e. As illustrated at Figures 31 and 34, the passage 504 aligns the external portion 84e generally tangential to the spool 400. As further illustrated at Figures 31 and 34, the first passage 502 may align the external portion 82e with the external portion 84e. The first passage 502 may further align the telecommunications cable 80 with the winding/unwinding member 170"'. In the depicted embodiment, the telecommunications cable 80 is thereby aligned generally coaxially with an axis A6 of the cable spool assembly 100"' when transitioning between the first passage 502 and the winding/unwinding member 170"'.
[0074] The first passage 502 may be defined within a tube-like structure 512, and the passage 504 may be defined within a tube-like structure 514. The first passage 502 may align with the funnel 582 at a first end. The first passage 502 may become concentric with the axis A6 at a second end. The spool 400 may be rotatably mounted on the second end of the structure 512. Likewise, the
winding/unwinding member 170"' may be rotatably mounted at the second end of the structure 512. The tube-like structure 514 may be aligned with the funnel 584 and may be further aligned with the first end of the first passage 502. [0075] As illustrated at Figures 29-32, the winding/unwinding member 170"' may include a housing 600. The housing 600, in conjunction with the housing 500, may substantially enclose the telecommunications cable 80 in the cable spool assembly 100"". The housing 600 may rotate along with the winding/unwinding member 170"'. The housing 600 may be sealed with the housing 500 and thereby provide a sealed enclosure with the housing 500 to house the telecommunications cable 80.
[0076] The winding/unwinding member 170"' may include a passage 602 that extends from a first end 602a (see Figure 33) to a second end 602b (see Figure 34). The first end 602a may be generally tangentially aligned with the spool 400. In particular, the first end 602a may be generally aligned with a wrapping area 402 of the spool 400. The wrapping area 402 may extend between a first flange 404 and a second flange 406 of the spool 400.
[0077] The winding/unwinding member 170"' may be rotationally connected to the base 120"' by a threaded connection and thereby move the first end 602a as wrapping and unwrapping of the telecommunications cable 80 occurs and thereby wind the telecommunications cable 80 in a helical manner about the wrapping area 402 of the spool 400. The winding/unwinding member 170"' may be connected to the base 120"' in such a way that reciprocating motion occurs between the winding/unwinding member 170"' and the base 120"' thereby winding the telecommunications cable 80 in a helical manner that reverses and continues with multiple layers of cable depth.
[0078] The passage 602 may be included in a tube-like structure 612. The tube-like structure 612 may smoothly continue from the tube-like structure 512 at a joint between the tube-like structure 512 and the tube-like structure 612. The tubelike structures 512, 514, and 612 may be coated internally with a low friction material (e.g., Teflon®) to facilitate easy passage of the telecommunications cable 80 through the passages 502, 504, and 602.
[0079] As illustrated at Figure 37, the telecommunications cable 80 may be defined along various segments. As the telecommunications cable 80 is retracted and deployed, the telecommunications cable 80 may pass from one segment to other segments. In particular, the external portion 82e is defined adjacent the first end 82 and may be a deployed portion of the telecommunications cable 80 adjacent the first end 82. As the external portion 82e enters the first passage 502, an interior segment 82i may be defined along the length of the first passage 502. Upon entering the passage 602 of the winding/unwinding member 170'" an interior segment 80i of the telecommunications cable 80 may be defined. The interior segment 80i may be defined along the length of the passage 602. Upon transitioning to the wrapping area 402 of the spool 400, a wrapping segment 80r may be defined about the wrapping area 402. The wrapping segment 80r may disappear upon all of the
telecommunications cable 80 being removed from the spool 400, as may happen upon full deployment of the telecommunications cable 80 and may also not appear when initially wrapping the telecommunications cable 80 about the spool 400. The wrapping segment 80r may continue around the wrapping area 402 multiple times, and each revolution may form one of the wraps 86. Upon transitioning away from the spool 400, an internal segment 84i may be defined within the tube-like structure 514. Upon exiting the tube-like structure 514, the internal segment 84i may transition to the external portion 84e. And finally, the external portion 84e terminates at the second end 84. Either or both of the ends 82, 84 may be terminated by a fiber optic connector.
[0080] Turning now to Figures 38 and 39, a sixth embodiment of a cable spool assembly 100""' is illustrated according to the principals of the present disclosure. The cable spool assembly 100""' is similar to the cable spool assembly 100"" except that the external portion 82e is deployed from the cable spool assembly 100""' generally parallel to an axis A7 of the cable spool assembly 100""'. The axis A7 is generally coaxial with an axis of rotation of the spool 400. The cable spool assembly 100"'" may include a housing and other features that were illustrated on the cable spool assembly 100"". When paying-out the telecommunications cable 80 from the cable spool assembly 100""', the first end 82 extends in a direction substantially parallel to the axis A7, and the second end 84 of the
telecommunications cable 80 extends tangentially to the wrapping area 402 of the spool 400. Thus, the external portion 84e is oriented approximately perpendicular to the external portion 82e. The cable spool assembly 100""' includes a base 120"" similar to the base 120"' but with a tubular portion 512' that is centered about the axis A7. The tube-like structure 512' includes a passage 502' that is generally concentric with the axis A7. [0081] Turning now to Figures 41 -43, a seventh embodiment of a cable spool assembly 100""" is illustrated according to the principles of the present disclosure. As illustrated at Figures 41 and 40, the cable spool assembly 100""" is in a similar perspective view as the cable spool assembly 100"". In the configurations illustrated at Figures 40 and 41 , the cable spool assemblies 100"" and 100""" generally perform in the same manner. However, the cable spool assembly 100""" includes a tube-like portion 514' that is rotatably mounted about the tube-like structure 512 adjacent the spool 400. As illustrated at Figures 42 and 43, the rotatable mounting of the tube-like structure 514' allows an angle a to be defined between the tube-like structure 512 and the tube-like structure 514'. Thus, the angle a between the external portion 84e and the external portion 82e can be adjusted between 0 degrees and 360 degrees. In certain embodiments, the angle a may be a fixed angle (e.g., 90 degrees, 180 degrees, 270 degrees, etc.) and may not necessarily be adjustable. In other embodiments, the angle a may be adjusted as desired, including while the telecommunications cable 80 is being deployed (i.e., paid-out) and/or reeled-in.
[0082] According to the principals of the present disclosure, the cable spool assemblies 100, 100', 100", 100"', 100"", 100""', 100""" can pay-out and/or reel-in an extended length of the telecommunications cable 80 without disconnecting the telecommunications cable 80 from a paid-out end 82 (i.e. the first end). The cable spool assemblies 100, 100', 100", 100"', 100"", 100""', 100""" can pay-out and/or reel- in the extended length of the telecommunications cable 80 without disconnecting the telecommunications cable 80 from a base end 84 (i.e. the second end). In particular, the paid-out end 82 can be pulled from the cable spool assemblies 100, 100', 100", 100'", 100"", 100'"", 100""" at various lengths including the extended lengths to bring the paid-out end 82 of the telecommunications cable 80 to a desired location.
[0083] As mentioned above, the cable spool assemblies 100, 100', 100",
100"', 100"", 100""', 100""" do not require a rotary union. Rather, the wraps 86 of a stored portion of the telecommunications cable 80 within a storage area of the cable spool assembly 100, 100', 100", 100"', 100"", 100 , 100 ' are transformed into axial twist along the length of the telecommunications cable 80 while the cable spool assembly 100, 100', 100", 100'", 100"", 100 , 100""" is paying-out a paid-out portion of the telecommunications cable 80. The accumulated twist in the telecommunications cable 80 can be managed by choosing an appropriate size (e.g., diameter) for the wrapping area 146, 402. In particular, the larger the diameter of the wrapping area 146, 402, the lower the accumulated twist per unit length of the telecommunications cable 80 (i.e., one twist per π χ the diameter of the wrapping area 146, 402). Depending on the application, an optimal size of the wrapping area 146, 402 may be selected based on properties of the telecommunications cable 80 and the available space for the cable spool assembly 100, 100', 100", 100"', 100"", 100""', 100
[0084] The telecommunications cable 80 is transferred from the stored portion to a transitional portion (e.g., the segments 80i and/or 82i) and then to the paid-out portion 82e. The transitional portion 80i, 82i is adjacent and between the wraps 86 of the stored portion and the paid-out portion 82e. The paid-out end 82 is continuously connected to the base end 84 while the telecommunications cable 80 is being paid-out.
[0085] The cable spool assemblies 100, 100', 100", 100"', 100"", 100""',
100""" may include a terminal. The terminal may not necessarily be substantially extendable from the cable spool assembly 100, 100', 100", 100"', 100"", 100 , 100""". The terminal may be generally stationary with the cable spool assembly 100, 100', 100", 100"', 100"", 100""', 100""". In certain embodiments, the terminal may be fixed with the base 120, 120', 120", 120"', 120"" of the cable spool assembly 100,
100', 100", 100"', 100"", 100""', 100 The terminal may be attached to the base
120, 120', 120", 120"', 120"" by a terminal portion (i.e., the segments 84i and/or 84e) of the telecommunications cable 80. The terminal can be connectorized by a fiber optic connector and/or a fiber optic adaptor. The terminal can be permanently or semi-permanently connected to a fiber optic component, a fiber optic network, etc. If it is desired to change the position of the first end 82, the terminal can remain connected to the fiber optic component, the fiber optic network, etc.
[0086] To accommodate the first end 82 changing position, particularly when the change in position results in a difference in length between the terminal and the first end 82, the wraps 86 can be unwrapped and transfered to the paid-out portion 82e of the telecommunications cable 80. A number of the wraps 86 changes as the telecommunications cable 80 is paid-out. In the depicted embodiment, the telecommunications cable 80 extends continuously between the first end 82 and the second end 84. In preferred embodiments, pulling the first end 82 actuates the cable spool assembly 100, 100', 100", 100'", 100"", 100""', 100""". When the cable spool assembly 100, 100', 100", 100"', 100"", 100'"", 100' actuates, the base 120, 120', 120", 120"', 120"" typically remains stationary.
[0087] Two of the cable spool assemblies 100, 100', 100", 100"*, 100"",
100""', 100""" may be combined. For example, the mounting side of a first of the cable spool assemblies 100" may be placed adjacent to the mounting side of a second of the cable spool assemblies 100". The second ends 84 of the first and the second of the cable spool assemblies 100" may be merged (e.g., continuous with each other) thereby creating a cable spool assembly that can pay-out extended lengths of the telecommunications cable 80 from either of two ends.
[0088] Various modifications and alterations of this disclosure will become apparent to those skilled in the art without departing from the scope and spirit of this disclosure, and it should be understood that the scope of this disclosure is not to be unduly limited to the illustrative embodiments set forth herein.

Claims

What is claimed is:
1. A telecommunications cable spool for storing, paying-out, and reeling-in a telecommunications cable, the telecommunications cable spool comprising:
a spool defining a wrapping area adapted to receive a plurality of wraps of the telecommunications cable, the wrapping area defining a circumference;
an axis of rotation that passes through the spool within the circumference of the wrapping area;
a rotatable cable guide rotatably mounted about the axis of rotation, the rotatable cable guide defining a rotating cable guide path that extends between a first end adjacent the wrapping area of the spool and a second end positioned nearer to the axis of rotation than the circumference of the wrapping area, the first end of the rotating cable guide path oriented at least partially tangential to the circumference of the wrapping area, and the second end of the rotating cable guide path oriented at least partially aligned with the axis of rotation.
2. The telecommunications cable spool of claim 1, wherein a portion of the rotating cable guide path passes within the wrapping area of the spool.
3. The telecommunications cable spool of claim 1 , wherein the spool is adapted to rotate.
4. The telecommunications cable spool of claim 3, wherein the spool is rotatably mounted about the axis of rotation.
5. The telecommunications cable spool of claim 1 , further comprising a base for mounting the telecommunications cable spool to an external structure.
6. The telecommunications cable spool of claim 5, wherein the spool is fixedly mounted to the base.
7. The telecommunications cable spool of claim 1, further comprising a base that defines a base cable guide path that extends between a first end adjacent the second end of the rotating cable guide path and a second end positioned adjacent a cable entrance/exit.
8. The telecommunications cable spool of claim 7, wherein the second end of the base cable guide path is oriented generally parallel to the axis of rotation.
9. The telecommunications cable spool of claim 8, wherein the second end of the base cable guide path is substantially coaxial with the axis of rotation.
10. The telecommunications cable spool of claim 7, wherein the second end of the base cable guide path is oriented generally perpendicular to the axis of rotation.
1 1. The telecommunications cable spool of claim 1 , wherein the wrapping area of the spool is substantially cylindrical.
12. A telecommunications cable spool for storing and paying-out a
telecommunications cable, the telecommunications cable spool comprising:
a cable route of a variable length along which the telecommunications cable is routed, the cable route extending between a first end and a second end, the cable route including a storage portion positioned between the first and the second ends of the cable route that includes a coil-like configuration, the cable route including a transitional portion positioned between the storage portion and the second end of the cable route, the transitional portion including a first end that smoothly transitions from the coil-like configuration of the storage portion and a second end, and a portion of the transitional portion routed through the coil-like configuration of the storage portion;
a spool defining a wrapping area adapted to receive a plurality of wraps of the coil-like configuration of the storage portion of the cable route; and
a guide member adapted to guide the telecommunications cable along the transitional portion of the cable route, the guide member adapted to receive a stored portion of the telecommunications cable from the storage portion of the cable route and adapted to pay-out a deployed portion of the telecommunications cable from the second end of the transitional portion of the cable route.
13. The telecommunications cable spool of claim 12, wherein the second end of the transitional portion of the cable route and the second end of the cable route coincide.
14. The telecommunications cable spool of claim 12, wherein the telecommunications cable spool also may reel-in the telecommunications cable.
PCT/US2013/038657 2012-04-30 2013-04-29 Cable storage spool with center feed WO2013165903A1 (en)

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CN201380034859.8A CN104412475B (en) 2012-04-30 2013-04-29 Cable storage spool with central feeding portion
EP13784515.2A EP2845281A4 (en) 2012-04-30 2013-04-29 Cable storage spool with center feed

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