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
  • G02B6/24—Coupling light guides
  • G02B6/36—Mechanical coupling means
  • G02B6/38—Mechanical coupling means having fibre to fibre mating means
  • G02B6/3807—Dismountable connectors, i.e. comprising plugs
  • G02B6/389—Dismountable connectors, i.e. comprising plugs characterised by the method of fastening connecting plugs and sockets, e.g. screw- or nut-lock, snap-in, bayonet type
  • G02B6/3893—Push-pull type, e.g. snap-in, push-on
• • 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
  • G02B6/24—Coupling light guides
  • G02B6/36—Mechanical coupling means
  • G02B6/38—Mechanical coupling means having fibre to fibre mating means
  • G02B6/3807—Dismountable connectors, i.e. comprising plugs
  • G02B6/3898—Tools, e.g. handheld; Tuning wrenches; Jigs used with connectors, e.g. for extracting, removing or inserting in a panel, for engaging or coupling connectors, for assembling or disassembling components within the connector, for applying clips to hold two connectors together or for crimping
• • 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
  • G02B6/24—Coupling light guides
  • G02B6/36—Mechanical coupling means
  • G02B6/38—Mechanical coupling means having fibre to fibre mating means
  • G02B6/3807—Dismountable connectors, i.e. comprising plugs
  • G02B6/381—Dismountable connectors, i.e. comprising plugs of the ferrule type, e.g. fibre ends embedded in ferrules, connecting a pair of fibres
  • G02B6/3825—Dismountable connectors, i.e. comprising plugs of the ferrule type, e.g. fibre ends embedded in ferrules, connecting a pair of fibres with an intermediate part, e.g. adapter, receptacle, linking two plugs
• • 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
  • G02B6/24—Coupling light guides
  • G02B6/36—Mechanical coupling means
  • G02B6/38—Mechanical coupling means having fibre to fibre mating means
  • G02B6/3807—Dismountable connectors, i.e. comprising plugs
  • G02B6/3873—Connectors using guide surfaces for aligning ferrule ends, e.g. tubes, sleeves, V-grooves, rods, pins, balls
  • G02B6/3874—Connectors using guide surfaces for aligning ferrule ends, e.g. tubes, sleeves, V-grooves, rods, pins, balls using tubes, sleeves to align ferrules
  • G02B6/3878—Connectors using guide surfaces for aligning ferrule ends, e.g. tubes, sleeves, V-grooves, rods, pins, balls using tubes, sleeves to align ferrules comprising a plurality of ferrules, branching and break-out means
  • G02B6/3879—Linking of individual connector plugs to an overconnector, e.g. using clamps, clips, common housings comprising several individual connector plugs

Definitions

• the push-pull tab 510 of FIG. 5 is replaced with a cable boot release assembly for releasing and inserting a fiber optic connector from an adapter receptacle.
• a cable boot release assembly for releasing and inserting a fiber optic connector from an adapter receptacle.
• the cable boot assembly moves over a back post or back body located with a connector housing. The back body is secured to a front housing using a latch and recess mechanism.
• This cable boot assembly can be used with a LC or Lucent ® connector, a SC or standard connector, a CS® or SNTM connector sold by the assignee of the present invention, or a MT ferrule or mechanical transfer ferrule connector used in MPO or multi -fiber push on connector. All these connector types have a ferrule with an optical fiber secured therein at a proximal end, and an incoming cable at a distal end.
• a connector assembly may have an adjustable polarity comprising: a polymer uni -body base frame comprising a plug frame portion, a body portion, and a back post portion; a top cover; and an independent latch; wherein the independent latching component is removable connected to the distal end (D) of the base frame; and wherein the
• FIG. 3B depicts a cross-sectional view of a connector assembly according to an embodiment.
• FIGS. 3D-3F depict a change in polarity of an illustrative connector assembly according to an embodiment .
• FIG. 7B depicts another perspective view of the push-pull tab connected to the connector assembly according to an embodiment.
• FIG. 12B depicts a detailed view of a portion of the illustrative view of a push-pull tab connected to a connector assembly according to an embodiment and shown in FIG. 12A.
• FIG. 12C depicts a detailed view of a portion of the illustrative view of a push-pull tab connected to a connector assembly according to an embodiment and shown in FIG. 12A.
• FIG. 16A depicts a detailed view of a small recess on the push-pull tab according to an embodiment.
• FIG. 21B depicts a front view of a connector assembly with a 5.25mm pitch.
• FIG. 22A depicts a perspective view of a connector assembly with a 5.25mm pitch.
• FIG. 24B is a side-view of the connector of FIG. 24A.
• FIG. 24C is a top-view of the connector of FIG. 24A.
• FIG. 24E is a rear perspective view of the connector of
• FIG. 24A during "R” release operation at a distal end of the connector.
• FIG. 25B is a cross-section side-view of the connector of FIG. 24E .
• FIG. 26A is a side-view of a cable boot according to an embodiment of the present invention used in in FIG. 24A.
• FIG. 29B is a side vie of FIG. 27 prior to insertion over the cable boot assembly of FIG. 29B.1.
• FIG. 29B.1 is a side view of the cable boot assembly of
• FIG. 43 is an exploded view of MPO connector deploying a cable boot release.
• FIG. 63E is a fully assembled view with outer housing included in in FIG. 63D.
• the described technology generally relates to connector assemblies (for example, a plug, male connector, connector, or the like) having an adjustable polarity.
• the connector assemblies have a plurality of orientations, alignments, or other physical attributes that cause the connector assemblies to have a plurality of polarities.
• the connector assembly may only fit into and/or correctly connect with an adapter (for instance, a receptacle, female connector, adapter, or the like) in one or more of the polarities.
• the polarity of the connector assembly may be based on the relative orientation of components of the connector assembly, such as ferrules, a housing, a latch, a frame, or the like.
• the top projections 190 engage the locking projections 195 , which may include a slanted top surface such that the force of the projections against the locking projections causes the side walls of the bottom housing component to extend outward to facilitate the movement of the projections past the locking projections and into the interior of the housing 180 .
• FIGS. 3A-3F depict an illustrative connector assembly according to a second embodiment.
• FIG. 3A depicts an exploded view of an illustrative connector assembly according to the second embodiment.
• a connector assembly 300 may include a frame (or "housing") 380 configured to securely house a first ferrule 155a and a second ferrule 155b, springs 320a, 320b, and other internal components not shown in FIG. 3A.
• the frame 380 may include a top frame component 305 configured to be coupled to a bottom f ame component 310, both of which may include a back post portion 381, 385 and a plug frame portion 315 , 325.
• sections 365a and 365b may become compressed when the user (e.g. , via their fingers or a tool) twists the ring portion 360 .
• the ring portion 360 impacts sections 365a and 365b causing compression.
• when a user twists a ring portion 360 it becomes compressed against an integral surface (not shown) as it is rotated surface 370 . If rotation continues surface 370 may engage a recess 375 thus allowing the connector to change polarity.
• FIGS. 3D-3F depicts an illustrative polarity adjustment for connector assembly 300 .
• connector assembly 300 is arranged in a first polarity in which the connector assembly is configured to connect with an adapter with second ferrule 155b on the right side and first ferrule 155a on the left side of the connector assembly from a top-down perspective.
• locking elements 435a, 435b may engage a locking recess 425a, 425b formed in ring portion 360 of latch component 350 . Compression of compression elements 410a , 410b may cause locking elements 435a , 435b to move inward such that they no longer engage latch component 350 , thereby allowing latch component to rotate about locking component 430 . As latch component 350 rotates around locking component 430 , the outward bias of locking elements 435a , 435b may cause the locking components to press against the inner surface of ring portion 360 .
• FIGS. 4C and 4D depict the housing (i.e., front portion)
• the latch component 350 has been rotated to a second polarity position, in which locking recess 425b is visible in FIG. 4H and the thumb latch 355 is arranged under a bottom (B) surface of the housing 405 .
• the entire connection assembly 400 has been rotated such that the connection assembly may connect with an adapter in a second polarity with the second ferrule 155b on the left side and the first ferrule 155a on the right side of the connector assembly from a top-down perspective.
• embodiments may have an "open" configuration when top housing component 501 is not coupled to bottom housing component 502. When in the closed
• crimp ring 506 may be secured to the cable, thus the crimp ring may prevent movement of back post 508 and, therefore, main housing (501 and 502) , toward the distal end of connector assembly 500.
• back post 508 may be molded or otherwise affixed to a portion of top housing component 501 or the bottom housing component 502.
• an embodiment may have a
• FIG. 6B further shows a push-pull tab 610 according to a non- limiting example embodiment.
• the push-pull tab 610 may be removably and/or releasably attached to the connector assembly.
• FIG. 13 An alternative embodiment of a connector assembly 1300 is shown in FIG. 13 in a cross-sectional view. Accordingly, some embodiments, such as that shown in FIG. 13 , may not utilize a protrusion/ indow
• a push-pull tab 1310 may have an inverted ramp 1337 at the proximal end of the push-pull tab.
• the inverted ramp 1337 impacts the connection device 1305 forcing the connection device down towards the top housing component 1301.
• the connection device 1305 is compressed (i.e., forced closer to the top housing component 1301 ⁇ the connector assembly 1300 , can be easily removed from a receiver (e.g. , adapter and/or transceiver) .
• some embodiments may utilize both a protrusion 1434 and window 1433 arrangement as well as an inverted ramp 1437 at the proximal end of the push-pull tab.
• the inverted ramp 1437 impacts the front connection device 1405 and the protrusion 1434 impact the edge of the window 1433 thus, similar to embodiments discussed previously, forcing the connection device down towards the top housing component 1401 .
• the impact of the small protrusion 1735 with the recess 1736 allows a user to apply substantial forward force to the connector assembly (not shown) via push-pull tab 1710 without damaging connector.
• the push-pull tab 1810 may move in relation to the connector assembly (e . g . , move horizontally with respect to the connector assembly) .
• the connector assembly e . g . , move horizontally with respect to the connector assembly.
• a connector is shown according to an embodiment.
• a connector may have a ferrule to ferrule pitch of 6.25mm.
• the outer dimensions of the ferrule housing may be
• the overall width dimension of the connector may be 12mm.
• some embodiments may keep the 6.25mm pitch between the ferrules, and even the 10.82 dimensions of the ferrule housing components, in order to remain within existing standards.
• the overall width dimension of the connector may be reduced to the existing dimension of the ferrule housing (e.g., 10.82mm) instead of the 12mm of FIGs. 19A and 19B.
• FIGs . 21A and 2 IB a connector is shown according to an embodiment. In some embodiments, such as that shown in FIGs.
• a connector may have a ferrule to ferrule pitch of 5.25mm (i . e . , lmm smaller than that of FIGs. 19A, 19B, 20A, and 20B) .
• the outer dimensions of the ferrule housing may be 9.82mm, and the overall width dimension of the connector may be 11mm.
• some embodiments may keep the 5.25mm pitch between the ferrules, and even the 9.82 dimensions of the ferrule housing components, in order to remain within existing standards.
• the overall width dimension of the connector may be reduced to the existing dimension of the ferrule housing (e.g., 9.82mm) instead of the 11mm of FIGs. 21A and 21B.
• plug frames ⁇ 150a, 150b) are formed from an upper housing 501 and a bottom housing 502.
• Flexible latch arm 821 forms part of connection device 805 that secures connector into adapter 2403 opening (refer to FIGs. 34A and 36A) .
• a protrusion 1034 engages a face 1133a of opening 1133 , which releases or actuates connection device 805 from adapter opening.
• boot 2600 moves over back body 2508 as shown in FIG. 25A and FIG. 25B, with exploded in FIG. 25C.
• connection device Upon pushing the connector, the connection device is moved or rotated to secure within corresponding structure of the adapter, such as a latch. Upon pulling distally, the connection device secured to a push/pull clip or cable boot assembly to outer housing, which is secured to connection device, rotates down or moves down the connection device thus releasing it from the corresponding structure within the adapter housing. Further in this patent, moving about is in a longitudinal direction that is X-Y along a connector axis with an incoming fiber cable.
• the tabs 2421 are flexible with a memory that allows it to bend outward when being place over an outer diameter of the cable boot, and then the wing returns to its original position, securing the push/pull clip 2420 onto cable boot assembly 2600.
• FIG.24B depicts wings 2421 extending around cable boot assembly 2600.
• FIG. 24D depicts a bottom view of connector 2400.
• a pair of tabs (2424a, 2424b) extend outward from legs 2423 and toward the center of the connector body to further secure push/pull clip 2420 onto a proximal end of connector 2400.
• the proximal end is defined as closer to a ferrule 150.
• FIG. 24F depicts an exploded view of FIG. 24A connector
• FIG. 24F shows a dust cover 2406 to protect against moisture and debris ingress damaging the fiber cable embedded in ferrule 150.
• a crimp ring assembly 120 with a crimp ring and tube attached thereto.
• the push/pull clip 2420 is integrated with cable boot 2600.
• push/pull clip 2420, ring portion 360 and back post 2408 are integrated as one molded piece .
• FIG. 24G depicts connector 2400 with a dust cap 2406 installed at a proximal end of connector protecting ferrules 150.
• Connector device 805 release protrusion 1034 is shown in a first position, when cable boot assembly 2600 is under no release force R. Without departing from the scope of the invention, protrusion 1034 only needs to be within window 1133 to allow protrusion 1034 to engage window face, which pushed down protrusion 1034, upon user pulling cable boot 2600 rearward to release connector from adapter port .
• FIGs . 25A-25C depict connector 2400 with push/pull clip
• Tapered portion 2637 of boot is typically a molded plastic but may be of other material or methods commonly known in the art such a U.S. Pat. No 9,360,649 Cable Guide of Fiber Optic Cables, Inventor Chang, assigned to the owner of the present invention.
• a pull force "B" is applied, raised surface 2510 travel ends at stop face 2509. The travel distance is determined to allow access to release the connector but not too long to extend the cable boot beyond connector main body so as to meet data center space needs.
• protrusion 1934 is depressed rotating down connection device 505 , and the connector 2400 can be release from adapter housing, as depicted in FIG. 32B below.
• Connector 2400 can be removed from adapter housing.
• FIG. 26C depicts an end on view of boot 2600 with a plural of raised surfaces 2610a, 2610b .
• FIG. 27 depicts push/pull clip on 2420 .
• Window 1133 retains connector release protrusion 1034 .
• Indent surface 2425 allows a user to apply pull force to clip 2420 directly.
• Tabs ( 2421a , 26001b ) flex around cable boot 2600 recess 2407 when attaching clip 2420 to connector 2400 .
• FIG . 28A depicts a top view of clip 2420 showing the outer dimensions of window 1133. The window is sized and shaped to accept protrusion 1034 that releases connector from adapter by rotating down connection device 805, as described above .
• FIG. 28B depicts a side view of push/pull clip 2420 illustrating extended legs 2423 and tabs 2421. Opposing leg and tab not shown.
• FIG. 29A depicts clip 2420 showing tabs
• FIG 30A depicts connector 2400 with push/pull clip 2420 prior to applying force "R", FIG. 30B, where raised surface 2510 engages stop face 2509, once connector pull distally .
• the distance of travel d distally from DL datum line is determined by data center space needs along A-A' .
• FIG. 31A a top view of connector 2400 where user may apply pull force at indent surface 2425.
• FIG. 31B depicts a side view of clip/boot assembly 2900
• FIGS.30A, 30B and 36C are identical to FIGS.30A, 30B and 36C.
• FIG. 33C a front view of push/pull clip 3300A with undercut protrusions 2427 and FIG. 33D shows recess 2428 within body portion 2429 of cable boot 3300B from at proximal end "P" .
• Dotted line L shows the assembly path to secure clip 3300A to boot 3300B using undercut protrusion 2427 and recess 2428.
• FIG. 33E shows an end proximal view of clip 3300A assembled with boot 3300B.
• FIG. 34A depicts connector 2400 with clip/boot assembly 2900 or clip/boot assembly 3300E installed as part of fiber optic connector 2400.
• Connector 2400 is inserted into an adapter 2403. In this first position, protrusion 1034 is not depressed under the force of window 1133.
• FIG. 34B is a side view of FIG. 34A with connector 2400 secured within adapter 2403.
• FIG. 34C is a cross-section of FIG. 34B, installed in adapter (not shown) .
• the distance between 2510 and 2509 is a representative , non- limiting distance when the connector 2400 is in a first position.
• Cable 2690 is secured using crimp ring 120 to cable boot 2600 and back post 2509, which allows cable boot to move above back body 2508.
• FIG. 36A depicts connector 2400 removed from adapter opening , and connector protrusion 1034 is in a normal or first position.
• FIG . 36B is a side view of connector 2400 removed from an adapter 2403.
• FIG. 36C is a cut-view of connector 2400 after removal from adapter housing 2403.
• FIG. 37 depicts push/pull clip 2420 integrated with cable boot 2600 with a permanent ring 2424c, which is molded as one-piece with cable boot 2600.
• FIG. 39A depicts outer housing 3900 for the present invention.
• the cable boot assembly 4000 is inserted at a distal end "D". Opening 3933 accepts protrusion 3813 (refer to FIG. 38D.2).
• Outer housing 3831 further comprises an alignment key 3931a .
• FIG. 39B depicts a pair of openings 3933a and 3933b that can accept first and second protrusion. A pair of protrusions further secures cable boot assembly 4000 within outer housing 3831 .
• the present invention can be practiced using one protrusion.
• FIG. 42A is a side view cross-section of connector 3800 with cable boot 4212 (i.e. cable boot assembly 4000 ) , and crimp ring assembly 4206 (refer to FIG. 42B) within cable boot bore 4018 .
• cable boot 4212 i.e. cable boot assembly 4000
• crimp ring assembly 4206 (refer to FIG. 42B) within cable boot bore 4018 .
• FIG. 42B further depicts solid slanted lines overlapping crimp ring assembly 4206. And dotted lines overlapping cable boot 4212. Cable boot 4212 bore accepts crimp ring assembly 4206 and secures crimp ring assembly within cable boot bore by press fit, as a non- limiting method. As shown in FIG. 42C, a pair of protrusions (4213a, 4213b) secure cable boot assembly with crimp ring within outer housing 4231.
• FIG. 42F depicts pulling on cable boot 4212 or at outer housing 3813 in direction of arrow "Pull the Boot”. Protrusions (4213a,
• FIG. 42G depicts cable boot pulled rearward, in direction of "Pull the Boot” a sufficient distance to release connector 3800 from adapter housing 4235.
• Latch (4236b, 4236a) is removed from recess (3831c, 3831d) that unlocks or releases connector from housing.
• FIG. 43 depicts an exploded view of a MPO connector embodiment of a cable boot release invention, assembled in the direction of arrow "A".
• Cable boot 4312 has at least one protrusion 4313 that is accepted within an opening 4433 on an outer housing 4431.
• Outer housing 4431 is configure to slide over an inner housing 4432 , as is discussed in U.S. Patent Number 9, 658, 409B2 Optical Fiber Connector with Changeable Polarity, Jeffrey Gniadek, currently assigned to the assignee of the present invention.
• the MPO connector further comprises a back body 4308, bias spring 4304, pin keeper 4319, and mechanical transfer or MT ferrule 4303.
• FIG. 44 depicts an assembled MPO connector 4400.
• Cable boot 4312 protrusion 4313 is within opening 4433 formed as part of an ear or flap 4434 extending from outer housing 4431 toward a distal end "D" of connector 4400.
• Outer housing 4431 moves over back body 4408, when cable boot 4412 or outer housing 4431 is pull in a distal direction or direction of "Pull" as depicted in FIG. 50B.
• FIG. 45 depicts outer housing 4431 with ears or flaps 4434 and opening 4433 molded in each flap. Opening 4433 accepts a corresponding protrusion 4313 molded as part of a cable boot 4312. As shown in FIG. 43, cable boot 4312 is inserted over a distal end of crimp ring 4306. The crimp ring is secured to a distal end of back body 4308 via internal threads on crimp ring attached to threaded portion of back body, as shown in FIG. 43.
• FIG. 46 depicts stop face 4308a of back body 4308.
• the travel distance "T” 4680 ensures outer housing 4431 is pulled rearward to release connector from adapter housing.
• the processing of pulling rearward housing 4313 overcomes spring 4304 (refer to FIG. 51B) and outer housing springs (4914a, 4914b)
• FIG. 47 is a side perspective view of outer housing 4431 attached to cable boot 4312 via protrusions (4313a, 4313b) . Opposite side protrusion 4313b is not shown.
• FIG. 48A depicts assembled MPO connector 4400.
• FIG. 48B is a cross section along section A-A' of FIG. 48A, cable boot 4312 is secured about crimp ring 4306.
• FIG. 48B depicts, cable boot 4312 moving about back body when it is pulled rearward or in a distal direction.
• Cable boot protrusion 4313a is secured through outer housing opening 4433a, which upon pulling rearward cable boot 4312 or outer housing 4431, the cable boot moves about back body and rearward (in a longitudinal direction) , which pulls back outer housing releasing it from an adapter not shown.
• the cable boot or outer housing may be pushed or pulled in either direction A-A' . Pushing along "A" would secure connector within an adapter.
• FIG. 49A depicts a cross-section of connector 4400.
• a user is pushing on cable boot 4312 in direction of "Push" arrow, to secure connector 4400 in an adapter (not shown) .
• Cable boot 4312 shown by dahs-dot-dash lines surrounds and is secured to crimp ring 4306 shown by dash double dot lines.
• Back body 4308 is secured within crimp ring at a proximal side thereof, as shown by horizontal dashed lines.
• Back body 4308 is shown by slanted, solid lines.
• cable boot moves over back body as shown in direction of arrows.
• FIG. 49B depicts an assembled connector 4400 at the onset of pushing on the cable boot .
• FIG. 50A depicts a side view prior to pulling on cable boot 4312 to release connector from an adapter housing. A substantial amount of back body 4308 is shown prior to pulling on cable boot.
• FIG. 50B depicts pulling on cable boot 4312 or housing 4431 pull distally away from "DL" or datum line about back body 4308.
• FIG . 50B shows inner housing recess 4432a which secure adapter inner latches when connector 4400 is secured within an adapter housing.
• the outer housing 4431 is pulled distally to expose recess, and under a "Pull" inner housing 4432 is released from adapter.
• the user may pull by holding on to the outer housing 4431 or by the cable boot 4312 , or cable (shown in FIG. 51A) . It is known to one in the art, a cable with fiber strands is enters an opening at a distal end of the cable boot .
• FIG. 51A depicts a cross section of side view of connector 4400.
• Inner gap 5100a is proportional to "Travel” (refer to FIG. 51B) that is required to release connector from adapter.
• gap 5100b is formed which is smaller than gap 5100a.
• FIG. 52 depicts an exploded view of a second embodiment of a MPO cable release connector 5300.
• An inner housing 5231 is surrounded by an outer housing 5231.
• a stop face 5223a on inner housing 5223 restricts rearward pull as described above in connector 4400.
• a pin keeper 5129 accepts a ferrule assembly 5513.
• a bias spring 5204 urges pin keeper and ferrule assembly forward.
• Spring 5204 is secured within a proximal end of back body 5209.
• Back body 5208 is secured to a crimp ring 5206, and a cable boot assembly 5212 is secured to crimp ring 5206.
• push/pull clip 5220 is secured about cable boot assembly 5212 and outer housing 5231.
• FIG. 53 is a fully assembled MPO connector 5300 of FIG. 52.
• Push/pull clip 5220 further comprises a window 5533.
• outer housing 5231 is stopped a stop face 5208a, at which point connector 5300 is removable from an adapter housing (not shown) .
• Push/pull clip 5220 is secured about cable boot using a pair of flexible, slightly undersized leg 5221.
• FIGs . 54A and 54B depict push/pull clip 5220.
• FIG. 54A depicts proximal end a pair of lead-ins off legs 5521.
• the lead-ins (5424a, 5424b) stabilize and secure clip 5220 to outer housing 5231.
• FIG. 54B depicts clip 5220 with opening and a pair of flexible arms (5221a, 5521b) secure about a recess of cable boot assembly 5521.
• One or each arm further contains a cut-away protrusion 5227 that is secured within a recess within recess of cable boot assembly. The cut-away adds stability during a push/pull operation using the clip 5220 or the cable boot assembly 5212.
• Cut-away protrusion 5227 may be formed on an inside surface of top portion 5260 or bottom portion 5672, without departing from the scope of the invention.
• FIG. 56D depicts the two-piece push/pull clip 5620 secured together. Opening 5633 is described above in FIG. 53.
• FIG. 56E depicts a side view of two-piece push/pull clip 5620 prior to assembly. Bottom portion 5672 and top portion 5670 are secured together as depicted in FIG. 56F, with latches 5227b and 5227c securing top and bottom portion into a releasably attached two-piece clip 5620.
• FIGS. 57A and 57B depict an assembly MPO connector with two-piece clip 5620. To insert connector into an adapter housing ⁇ not shown). a user would “Push" the connector in the proximal direction.
• FIG. 57A depicts back body 5208 over which cable boot moves when connector 5300 is inserted or released from an adapter housing.
• FIG. 57B depicts stop face on outer housing 5231 .
• FIGs. 58A and 58B are a side view of connector 5300 .
• FIG. 58A and 58B are a side view of connector 5300 .
• FIGs. 59A and 59B are cross-section views of FIGs. 58A and
• Opening distance 5980 is less in FIG. 59B after Pull distally on cable boot 5912 .
• Outer housing 5931 is moved distally as cable boot 5912 is attached to push/pull clip 5620 (as discussed above) .
• clip 5620 is moved distally, and it moves about back body 5980 until outer housing strikes inner housing 5932 flange 5932a .
• the movement of clip and cable boot assembly is in a longitudinal direction.
• FIGs. 60-64 depicts another embodiment of a SC connector push/pull cable boot release.
• FIG. 60 is an exploded view of a SC connector with a housing 6031 , ferrule 6003 within an inner housing 6032 , an integrated back body 6008 and a releasebly attached cable boot assembly 6012 .
• the SC connector is assembled in direction of arrow "A" .
• Cable boot assembly has a bore 6218 that accepts cable 6235 at a distal end, and back body 6308 at a proximal end.
• Body portion is 6214 is sized and shaped to fit with a distal end of outer housing 6031.
• FIG. 62C is a cross-section view of FIG. 62D along section A-A' at a proximal end of cable boot assembly 6212 .
• FIG. 62C depicts inner bore configured to accept back body 6208 .
• FIG. 63A depicts a securing plate 6333a with a raised protrusion 6333 .
• FIG. 63A.1 depicts a top view of FIG. 63A showing raised protrusion 6333.
• FIG. 63A.2 is a side view of FIG. 63A showing protrusion 6333 and channel 6633c.
• FIG. 63B depicts cable boot assembly 6312 moving about back body 6308 when a user pulls distally in direction of arrow "Pull”.
• a pair of protrusions ( 6300a , 6300b) are attached to outer housing along "L" shaped channels ( 6333b , 6633c ) , of the securing plate (refer to FIG. 63A) .
• Inner housing 6332 is secured into outer housing 6331 as is known in the prior art for a SC connector.
• FIG. 63C depicts inserting securing plate ( 6300a, 6300b) to cable boot assembly, as shown by dotted arrow.
• FIG. 63D depicts inserting back body 6308 into proximal bore 6318 of cable boot assembly 6312 , and cable boot moves over dotted line of back boot as cable boot assembly is pulled and pushed. Once cable boot is secured onto back body 6308 , which is secured to inner housing 6332 , outer housing 6331 is secured over inner housing via protrusions ( 6300a, 6300b) .
• FIGs . 64A and 64B depicts removal operation of SC connector
• FIG. 64A depicts cable boot 6412 not actuated or Pulled distally to move outer housing rearward, a distance
• cable boot 6412 moves over back body 6408 a distance CM.
• connection elements and/or materials such as crimpers, bands , straps , ferrules, locking materials, fluids, gels, or the like .
• compositions, methods, and devices are described in terms of “comprising” various components or steps (interpreted as meaning “including, but not limited to”) , the compositions, methods, and devices can also "consist essentially of” or “consist of” the various components and steps, and such terminology should be interpreted as defining essentially closed-member groups. It will be further understood by those within the art that if a specific number of an introduced claim recitation is intended, such an intent will be explicitly recited in the claim, and in the absence of such recitation no such intent is present . For example, as an aid to
• a group having 1-3 cells refers to groups having 1, 2, or 3 cells.
• a group having 1-5 cells refers to groups having 1, 2, 3, 4, or 5 cells, and so forth.

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• 2018
  • 2018-11-24 CN CN201880098656.8A patent/CN112823304B/zh active Active
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