US20210263228A1 - Reduced-profile date transmission element connectors, adapters, and connection assemblies thereof - Google Patents
Reduced-profile date transmission element connectors, adapters, and connection assemblies thereof Download PDFInfo
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- US20210263228A1 US20210263228A1 US17/317,543 US202117317543A US2021263228A1 US 20210263228 A1 US20210263228 A1 US 20210263228A1 US 202117317543 A US202117317543 A US 202117317543A US 2021263228 A1 US2021263228 A1 US 2021263228A1
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- Prior art keywords
- ferrule
- optical fiber
- adapter
- connector
- fiber connector
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- 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
- G02B6/381—Dismountable connectors, i.e. comprising plugs of the ferrule type, e.g. fibre ends embedded in ferrules, connecting a pair of fibres
- G02B6/3818—Dismountable connectors, i.e. comprising plugs of the ferrule type, e.g. fibre ends embedded in ferrules, connecting a pair of fibres of a low-reflection-loss type
- G02B6/3821—Dismountable connectors, i.e. comprising plugs of the ferrule type, e.g. fibre ends embedded in ferrules, connecting a pair of fibres of a low-reflection-loss type with axial spring biasing or loading means
-
- 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
- G02B6/3869—Mounting ferrules to connector body, i.e. plugs
- G02B6/387—Connector plugs comprising two complementary members, e.g. shells, caps, covers, locked together
-
- 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
-
- 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
- G02B6/3882—Connectors using guide surfaces for aligning ferrule ends, e.g. tubes, sleeves, V-grooves, rods, pins, balls using rods, pins or balls to align a pair of ferrule ends
-
- 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
- G02B6/3885—Multicore or multichannel optical connectors, i.e. one single ferrule containing more than one fibre, e.g. ribbon type
-
- 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
- G02B6/3897—Connectors fixed to housings, casing, frames or circuit boards
-
- 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
- G02B6/3869—Mounting ferrules to connector body, i.e. plugs
Abstract
Reduced-profile connection components are described. The reduced-profile connection components are configured to connect various data transmission elements, including cables, network devices, and computing devices. A non-limiting example of a connection component includes a fiber optic connection component, including connectors, adapters, and assemblies formed therefrom. In some embodiments, the connection components may include mechanical transfer (MT) and multi-fiber push-on/pull-off (MPO) connection components, such as MT ferrules and MPO adapters. The reduced-profile connection components configured according to some embodiments have a smaller profile and/or require less parts to achieve a connection compared to conventional connection components. In some embodiments, the reduced-profile connection components may be used with conventional connection components. For example a reduced-profile connector may use a conventional MT ferrule to establish a connection within a conventional MPO adapter.
Description
- This application is a continuation of U.S. patent application Ser. No. 16/951,680, filed on Nov. 18, 2020, which is a continuation of U.S. patent application Ser. No. 16/257,488 filed on Jan. 25, 2019, which is a continuation of U.S. patent application Ser. No. 15/483,123, filed Apr. 10, 2017, and is now granted U.S. Pat. No. 10,197,740 issued on Jul. 27, 2017, which is a continuation of Ser. No. 14/299,224 which is now U.S. Pat. No. 9,618,702, issued on Apr. 11, 2017, all of which are incorporated herein by reference in its entirety.
- The described technology generally relates to components for connecting data transmission elements and, more specifically, to connectors, adapters, and connection assemblies formed therefrom that are configured to have a reduced profile and/or a reduced quantity of parts in comparison to conventional connection components while providing a secure connection between data transmission elements, such as cable segments, equipment, and/or devices.
- Demand for bandwidth by enterprises and individual consumers continues to experience exponential growth. To meet this demand efficiently and economically, data centers have to achieve ultra-high density cabling with low loss budgets. Fiber optics have become the standard cabling medium used by data centers to meet the growing needs for data volume and transmission speeds.
- Individual optical fibers are extremely small. For example, even with protective coatings, optical fibers may be only about 250 microns in diameter (only about 4 times the diameter of a human hair). As such, hundreds of fibers can be installed in cables that will take up relatively little space. However, terminating these fibers with connectors greatly increases the space required to connect cable segments and communication devices. Although multiple fibers may be arranged within a single connector, the resulting connection component may still increase the space used by the optical fibers by 20 to 50 fold. For example, multi-fiber connectors such as those using multi-fiber push-on/pull-off (MPO) technology may connect 12 or 24 fibers. However, a typical MPO connector may have a length of about 30 millimeters to 50 millimeters and a width of about 10 millimeters to 15 millimeters. Multiplying these dimensions by the hundreds of connections in a typical data center results in a significant amount of space devoted to these cable connections. In order to cost-effectively increase data transmission capacity and speed, data centers must increase the number of fiber optic cables and, therefore, cable connections within existing space. Accordingly, data centers and other communication service providers would benefit from a multi-fiber connector having a reduced profile capable of securely connecting multiple fibers while requiring less space than conventional multi-fiber connectors.
- This disclosure is not limited to the particular systems, devices and methods described, as these may vary. The terminology used in the description is for the purpose of describing the particular versions or embodiments only, and is not intended to limit the scope.
- As used in this document, the singular forms “a,” “an,” and “the” include plural references unless the context clearly dictates otherwise. Unless defined otherwise, all technical and scientific terms used herein have the same meanings as commonly understood by one of ordinary skill in the art. Nothing in this disclosure is to be construed as an admission that the embodiments described in this disclosure are not entitled to antedate such disclosure by virtue of prior invention. As used in this document, the term “comprising” means “including, but not limited to.”
- In one aspect, a reduced-profile connection assembly may include an adapter, a ferrule having a connection side, and a reduced-profile clip fixedly arranged within the adapter, the reduced-profile clip having hooks configured to engage a portion of the ferrule opposite the connection side to prevent movement of the ferrule within the adapter.
- In one aspect, a reduced-profile connection assembly may include a ferrule having a connection end, a connector including an inner housing having the ferrule fixedly arranged therein at a first end and flanges extending from a second end opposite the first end and an ejector housing disposed around the inner housing and configured to slide along the inner housing between a locked position and an unlocked position, and an adapter having a clip fixedly arranged therein, the clip having hooks configured to engage protrusions extending from an outer surface of the inner housing to prevent movement of the inner housing within the adapter, wherein the ejector housing interfaces with the clip in the locked position to prevent disengagement of the hooks from the protrusions.
- In one aspect, a reduced-profile connection assembly may include a ferrule, a connector having the ferrule fixedly arranged therein and comprising at least one adapter latch having at least one adapter latch projection, and an adapter having at least on recess, the at least one recess configured to engage the adapter latch projection when the connector is locked in the adapter to prevent movement of the connector within the adapter.
- In one aspect, a reduced-profile connection assembly may include a ferrule, a connector having the ferrule fixedly arranged therein and comprising at least one adapter latch having at least one adapter latch projection, and an adapter having a clip fixedly arranged therein, the clip having a recess configured to engage the adapter latch projection when the connector is locked in the adapter to prevent movement of the connector within the adapter.
- The above and other objects of the present invention will become more readily apparent from the following detailed description taken in connection with the accompanying drawings.
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FIG. 1 depicts an illustrative conventional multiple-fiber push-on/pull-off (MPO) type multi-fiber connection assembly. -
FIGS. 2A-2C depict an illustrative connector of a conventional MPO connection assembly. -
FIG. 3 depicts a cross-sectional view of a connector arranged within an assembly. -
FIGS. 4A-4E depict illustrative reduced-profile connection components according to a ferrule clip embodiment. -
FIGS. 5A-5F depict reduced-profile connection components according to a dual-housing embodiment. -
FIGS. 6A-6D depict illustrative reduced-profile connection components according to a first resilient latch embodiment. -
FIGS. 7A-7J depict illustrative reduced-profile connection components according to a second resilient latch embodiment. -
FIGS. 8A-8E depict illustrative reduced-profile connection components according to a third resilient latch embodiment. - The described technology generally relates to components configured to connect data transmission elements, such as cable segments, communication equipment, networking devices, and computing devices. In some embodiments, the data transmission elements may be connected using reduced-profile connection components, including, without limitation, connectors, ferrules, adapters, and connection assemblies formed therefrom. The reduced-profile connection components may be configured to require fewer elements and/or less space than conventional connection components. In general, a reduced profile connection component may be smaller in at least one dimension in comparison to a corresponding conventional connection component. In some embodiments, the reduced-profile connection components and/or portions thereof may be used with existing conventional connection components. For example, some embodiments may include a reduced-profile connector configured to provide a secure connection using a conventional adapter. The reduced-profile connection assemblies and portions thereof may be made from various resilient materials, such as plastics, polymers, rubber, silicon-based materials, and any combination thereof.
- The described technology provides multiple technological advantages. A non-limiting example of a technological advantage is that reduced-profile connection components and connections formed using the reduced-profile connection components require less space, for example, on a connection interface of a device in a data room. In this manner, an increased number of connections may be formed in a smaller area. Another non-limiting example of a technological advantage is that reduced-profile connection components may generally require fewer elements and/or materials than corresponding conventional connection components. This technological advantage may operate, among other things, to reduce the effort and/or cost associated with assembling the connection component. A further non-limiting example of a technological advantage is that the reduced-profile connection components are easier to manipulate, such as establishing and/or removing a connection (for instance, “plugging in”/“unplugging” a component) than corresponding conventional connection components.
- In some embodiments, the data transmission elements may include fiber optic data transmission elements. In some embodiments, the reduced-profile connection components may include components configured to provide a secure connection for fiber optic data transmission elements. In some embodiments, the reduced-profile connection components may be configured to implement various types of fiber optic connection components, including multiple-fiber (or multi-fiber) connection components. Non-limiting examples of multi-fiber connection components include mechanical transfer (MT), multiple-fiber push-on/pull-off (MPO), and multi-fiber MTP® connectors (“MTP”). Although fiber optic connection components, and MPO-compatible components in particular, are used as examples herein, embodiments are not so limited as any type of data transmission medium and associated components capable of operating according to some embodiments are contemplated herein.
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FIG. 1 depicts an illustrative conventional MPO type multi-fiber connection assembly (an “MPO connection assembly”). As shown inFIG. 1 , anMPO connection assembly 100 may includeconnectors connectors male connector 105, which has guide pins or “pins” 120, and afemale connector 110, which has pin receptacles, guide pin holes, or “holes” 140. The guide pins 120 may be arranged within amale ferrule 130 on a connection side thereof and the guide pin holes 140 may be arranged within afemale ferrule 150 on a connection side thereof. Theferrules ferrules - The
connectors adapter 115 such that the guide pins 120 can be inserted into the guide pin holes 140 and the face of themale ferrule 130 will be in contact with the face of thefemale ferrule 150, connecting the ends of the optical fibers (or “ribbon”) 135 arranged within each respective ferrule. Theoptical fibers 135 may be arranged between the guide pins 120 on themale ferrule 130 and between the guide pin holes 140 on thefemale ferrule 150 such that the ends of the optical fibers will line up and form a continuous our substantially continuous fiber optic connection. Theferrules optical fibers 135, such as 1, 2, 4, 8, 12, 24, or 72 optical fibers. When theconnectors adapter 115, hooks (for example, flanges or resilient flanges) 160 disposed on a clip (an “adapter clip”) arranged within theadapter 115 can hook onrecesses 125 of theconnector 105 and recesses 145 of theconnector 110 to support and maintain the connection ofoptical fibers 135 between theferrules optical fibers 135 on the faces of theferrules adapter 115 operates to provide a compression force on the ferrules configured to maintain sufficient contact therebetween to support a connection between the opposing optical fibers. -
FIGS. 2A-2C depict an illustrative connector of a conventional MPO connection assembly. As shown inFIG. 2A , aconnector 105 may include anejector housing 205 slidably disposed about afront housing 210 connected to aboot 215. Aferrule 130 having a pin holder 235 (collectively, may be referred to as a “ferrule” herein) may be arranged within thefront housing 210. Although amale connector 105 including amale ferrule 130 is depicted inFIGS. 2A-2C , the illustrative connector depicted therein may be configured the same or substantially similar using afemale connector 110 including afemale ferrule 150.FIG. 2B depicts an expanded (or “exploded”) view of theconnector 105. As shown inFIG. 2B , the connector may include aspring 225 configured to provide a force against theferrule 130 in a direction toward thefront housing 210 and away from theboot 215. Thespring 225 may be arranged within a spring push (or “back post”) 220 configured to interface with theboot 215.FIG. 2C depicts an expanded view of theejector housing 205 and thefront housing 210 showing thesprings 230 arranged therebetween. Thesprings 230 may operate to provide a force against theejector housing 205 to push the ejector housing toward the front of thefront housing 210 where the ferrule projects from the front housing and away from theboot 215. - The
connector 105 may be inserted (or plugged) into anadapter 115 by pushing the connector, for example, using the boot, into the adapter until thehooks 160 in the adapter hook (or “snap”) on therecesses 125 of the connector. Thesprings 230 may operate to maintain theejector housing 205 in the forward (or “locked”) position to retain thehooks 160 in therecesses 125 to preserve a secure connection. The connector may be removed (or unplugged) from the adapter by pulling on theejector housing 205 in a direction away from the adapter. As theejector housing 205 is pulled in a direction away from theadapter 115, the ejector housing can slide over thefront housing 210 in a direction away from the adapter to remove thehooks 160 from therecesses 125, thereby disconnecting theconnector 105. - As shown in
FIGS. 2A-2C ,conventional MPO connectors 105 require multiple parts. For example, not including theferrule 130 or components thereof, theconnector 105 may require about 7 parts, including theejector housing 205, thefront housing 210, theboot 215, thespring push 220, thespring 225, and thesprings 230. All of the components of theconnector 105 require time, material, and other resources and/or costs to manufacture and assemble. In addition, the multiple components required for theconnector 105 require the connector andconnection assembly 100 to have certain minimum dimensions and, therefore, an overall profile. For example, aconventional connector 105 may be about 30 millimeters to about 50 millimeters long and about 12 millimeters to about 20 millimeters wide. Furthermore, plugging in theconnector 105 to theadapter 115 requires a sufficient pushing force, generally from theboot 215, while unplugging the connector requires a relatively large pulling force on theejector housing 205. Accordingly, manipulating the components of theconnection assembly 105, such as plugging in/unplugging theconnector 105, is inefficient and challenging within the limited space around racks and modules within a typical data room. Moreover, assembling theconnector 105 components, such as thehousings springs 230 and thespring push 220 and thespring 225, is time consuming, inefficient, and consumes valuable resources that may otherwise be dedicated to data room maintenance. -
FIG. 3 depicts a cross-sectional view of a connector arranged within an assembly. As shown inFIG. 3 , as theconnector 105 is pushed into theadapter 115, thehooks 160 arranged on theclip 310 may spread apart and be pushed overprojections 170 on the outer surface of thefront housing 210 to become seated in therecess 125. In the locked position, thesprings 230 push theejector housing 205 over and/or against thehooks 160 to prevent the hooks from spreading apart and moving over theprojections 170, thereby maintaining the hooks within therecesses 125 and preventing removal of theconnector 105 from the adapter. In order to remove theconnector 105 from theadapter 115, theejector housing 205 must be pulled in a direction away from the adapter and toward theboot 215. Theejector housing 205 must be pulled with sufficient force to overcome the tension provided by thesprings 230 in order to allow the ejector housing to slide over thefront housing 210 and out of theadapter 115, uncovering thehooks 160. A continued force on theejector housing 205 away from theadapter 115 causes theconnector 105 to move in a direction away from the adapter, spreading apart thehooks 160, which slide over theprojections 170 and free theconnector 105 from the adapter. -
FIGS. 4A-4E depict illustrative reduced-profile connection components according to a ferrule clip embodiment. As shown inFIGS. 4A-4D , a reduced-profile connection assembly may include a clip 405 (a “ferrule clip” or “reduced profile clip”) arranged within anadapter 425 and configured to hold aferrule 130 therein. Theclip 405 may includehooks 410 configured to maintain theferrule 130 within theadapter 425, for example, by engaging with theferrule 130 and/or apin holder 420 on a side opposite a connection side or surface of the ferrule. In some embodiments, theferrule 130 may not include apin holder 420. In such embodiments, a spacer (not shown) may be arranged within theclip 405 to engage thehooks 410 in a manner similar to thepin holder 420. In some embodiments, thehooks 410 may be configured to support and maintain a connection between theferrule 130 and a corresponding ferrule (not shown) within the adapter similar to the functionality provided by thespring 225 and thespring push 220 in a conventional connection assembly. - In some embodiments, the
clip 405 may be arranged within conventional components, such as aconventional adapter 425. For example, the reduced profile connection assembly may include anMT ferrule 130 and anMPO adapter 425. In some embodiments, theadapter 425 may include a reduced-profile component portion 435 and aconventional component portion 440. The reduced-profile component portion 435 may be configured to engage reduced-profile connection components, such as aferrule 130 that is not arranged within or in association with conventional connection components, such as anejector housing 205, afront housing 210, springs 230,spring 225, or the like. Theconventional component portion 440 may be configured to engage conventional connection components, such as MT, MPO, and/or MTP. As such, reduced-profile connection components may be configured to operate with existing data transmission equipment, devices, connection assemblies, and/or the like. - As shown in
FIG. 4D , theadapter 425 may include aclip 430 for a second ferrule (not shown), such as a female ferrule corresponding with themale ferrule 130. Inserting theferrule 130 within theclip 405 may connect the ferrule with the corresponding ferrule disposed within theclip 430. Thehooks 410 may be configured to hold theferrule 130 within theadapter 425 and to maintain the connection with the corresponding ferrule located in theclip 430. - In some embodiments, the
adapter 425 may include anexternal portion 435 that may be located external to a communication device or structure (for instance, a wall) and aninternal portion 440 that may be located internal to the communication device or structure. Non-limiting examples of communication devices include computing devices, servers, racks, switches, hubs, cabling, outlets, network testing equipment, or the like. In some embodiments, a first type of ferrule (for example, a female ferrule (not shown)) may be arranged within theinternal portion 440 and a second type of ferrule (for example, a male ferrule 130) may be installed (or plugged) into theexternal portion 435 to form a connection with the first type of ferrule. -
FIG. 4E depicts an illustrative ferrule installation device according to some embodiments. As shown inFIG. 4E , aferrule installation device 445 may be used to install theferrule 130 into theclip 410 of the adapter. Theferrule installation device 445 may include alever 460 that may be pressed (for instance, pushed toward the body of the ferrule installation device) to raise a hook portion 455 thereof. Theferrule installation device 445 may grasp theferrule 430 by raising the hook portion 455, inserting the ferrule into aframe portion 470 and releasing thelever 460 to position thehook portion 460 against or within a portion of the ferrule, such as within arecess 565 disposed within the ferrule. As theferrule installation device 445 is inserted into the adapter, theframe portion 470 may engage thehooks 410 to spread them apart and allow the ferrule to be positioned within theclip 405. In some embodiments, theframe portion 470 may engage one ormore protrusions 475 arranged on an outer surface of thehooks 410. Once theferrule 430 has been positioned within theclip 405, thelever 460 may be pressed, thereby disengaging the hook portion 455 from theferrule 130. As theferrule installation device 445 is removed from theadapter 425, thehooks 410 close in and engage theferrule 130. Theferrule installation device 445 may have various dimensions, including a length of about 20 millimeters to about 40 millimeters. In some embodiments, theferrule installation device 445 may have a length of about 36.5 millimeters. - As compared with conventional connection components, such as
connector 105, the ferrule clip embodiment depicted inFIGS. 4A-4C does not require a housing, such asejector housing 205 andfront housing 210. The ferrule clip embodiment may be configured to use aclip 405 adapted to hold and support aferrule 130 without a housing and associated components, such as thespring 225 and theback pusher 220. In some embodiments, thehooks 410 of theclip 425 may only extend about 0 millimeters (for example, the clip is entirely or substantially entirely located within the adapter 425), about 1 millimeter, about 2 millimeters, about 3 millimeters, and any value or range between any two of these values (including endpoints) outside of theadapter 425. Accordingly, the ferrule clip embodiment may be used to establish a connection using about 30 millimeters to about 50 millimeters less space than conventional connection components. - Although the
ferrule 130 depicted in illustrative embodiments herein, such as the ferrule clip embodiment depicted inFIGS. 4A-4C , is a male MT ferrule, embodiments are not so limited. Indeed, theferrule 130 may be configured as any type and/or gender of ferrule capable of operating according to some embodiments. In particular, some embodiments are “gender neutral,” in that either male or female connection components may be used therewith. -
FIGS. 5A-5F depict reduced-profile connection components according to a dual-housing embodiment. As shown inFIGS. 5A and 5B , a reduced-profile connector 500 may include aninner housing 510 configured to hold aferrule 130 in a front portion thereof. Anouter housing 505 may be slidably disposed around theinner housing 505. Theinner housing 510 may includeflanges 515 havingprojections 535 and recesses 545 formed thereon.FIGS. 5C and 5D depict theconnector 505 arranged within anadapter 545 in an unlocked position and a locked position, respectively. In some embodiments, theadapter 545 may include a conventional adapter and/or adapter components, such as clips (“adapter clips,” “MPO adapter clips”, or “conventional clips”) 520. For example, theadapter 545 may include a conventional MPO adapter andconventional clips 520 configured to receive conventional ferrules, such asMT ferrules 130. In this manner, the reduced-profile connector 500 may be used withconventional connection adapters 545. - As the
connector 500 is pushed into theadapter 545,projections 550 on theinner housing 510 may engagehooks 555 on theclip 520, thereby spreading the hooks apart 555 until the hooks clear the projections and seat within arecess 560. In the unlocked position, adistal portion 530 of theouter housing 505 may be seated inrecesses 540 of theflanges 515. To lock theconnector 505 in theadapter 545, theouter housing 505 may be pushed along theinner housing 510 in a direction toward the adapter. As theouter housing 505 moves toward theadapter 545, thedistal portion 530 may push against theprojections 535 of theflanges 515 and may push theflanges 515 inward (for instance, away from the outer housing). As theflanges 515 move inward, thedistal portion 530 may slide over theprojections 535 and theouter housing 505 may move toward theadapter 545. Theflanges 515 may return to the straight position after thedistal portion 530 clears theprojections 535 and, therefore, the distal portion is no longer pushing on the projections. Theprojections 535 may prevent theouter housing 505 from sliding away from theadapter 545. When thedistal portion 530 has cleared theprojections 535, aproximal portion 525 of theouter housing 505 may engage thehooks 555, preventing the hooks from spreading apart and sliding over theprojections 550. - As shown in
FIG. 5E , theinner housing 510 may include ferrule latches (or “bend-in latches”) 570 arranged on one or more surfaces thereof. The ferrule latches 570 may be configured to be pushed inward toward the hollow center of theinner housing 510. InFIG. 5F , a cross-sectional view of the connector illustrates that theouter housing 505 may push thelatches 570 inward to engage theferrule 130 and/or apin holder 565 connected to the ferrule. The internal surfaces of theinner housing 510 may also includeprojections 580 or other structures configured to engage theferrule 530 to prevent the ferrule from moving in a direction opposite the ferrule latches 570. Accordingly, the ferrule latches 570 may be configured to push or otherwise engage theferrule 130 and/or thepin holder 565 to push the ferrule in a first direction (for example, away from the flanges 515) and/or prevent movement of the ferrule in a second direction (for example, toward the flanges 515), while theprojections 580 may be configured to prevent movement of the ferrule in the first direction. In this manner, theferrule 130 may be supported and maintained within theinner housing 510 when theouter housing 505 is in a position that pushes down on the ferrule latches 570, for example, when the outer housing is in the locked position. - In some embodiments, the
connector 500 may use only 2 parts, for instance, theouter housing 505 and theinner housing 510, to connect theferrule 130 to a corresponding ferrule (not shown) within theadapter 545. In comparison, conventional connectors may require 7 components to achieve the same functionality. In some embodiments, theconnector 505 may have a length of about 20 millimeters to about 30 millimeters. In some embodiments, the connector may have a length of about 26 millimeters. In some embodiments, theconnector 505 may have a length of about 20 millimeters, about 22 millimeters, about 24 millimeters, about 26 millimeters, about 28 millimeters, about 30 millimeters, and any value or range between any two of these values (including endpoints). In some embodiments, the connector may have a length of about 26 millimeters. In some embodiments, when in the locked position, theconnector 505 may extend out of theadapter 545 by about 15 millimeters, about 20 millimeters, about 25 millimeters, about 30 millimeters, and any value or range between any two of these values (including endpoints). In some embodiments, theconnector 505 may extend out of theadapter 545 by about 24 millimeters. -
FIGS. 6A-6D depict illustrative reduced-profile connection components according to a first resilient latch embodiment. As shown inFIGS. 6A and 6B , aconnector 610 may be configured to hold aferrule 130. Theconnector 610 may include resilient latches, such as adapter latches 615 and ferrule latches 620. The ferrule latches 620 may be configured to maintain theferrule 130 within theconnector 610. For example, assembly of theconnector 610 may include inserting theferrule 130 into arear opening 630 of theconnector 610 and pushing the ferrule toward the front of the connector (for instance, the end opposite the rear opening). As theferrule 130 passes through theconnector 610 the ferrule may engage the ferrule latches 620 and push the ferrule latches outward (for instance, away from the ferrule). When theferrule 130 and/orpin holder 625 passes the ferrule latches 620, the latches may no longer being pushed outward. As such, the ferrule latches 620 may retract to their normal position. The ferrule latches 620 may include projections or other structures (not shown) extending inward. These projections may engage theferrule 130 and/orpin holder 625 to prevent the movement of the ferrule toward therear opening 630. Theconnector 610 may also include one or more internal projections or other internal structures configured to project inward toward the hollow cavity of the connector to engage a front portion of theferrule 130 and/orpin holder 625. These internal projections may prevent movement of theferrule 130 in a direction toward the front of theconnector 610, away from therear opening 630. In this manner, theferrule 130 may be held within theconnector 610. -
FIGS. 6C and 6D depict aconnector 610 arranged within anadapter 605. To insert theconnector 610 into theadapter 605, the adapter latches 615 may be pressed inward, toward the body of the connector sufficient to allow thefirst projections 640 to clearinner wall portions 650 of the adapter. When thefirst projections 640 have cleared theinner wall portions 650, the first projections may seat in recesses (or openings) 645 in the inner wall of theadapter 605 and theinner wall portions 650 may seat inrecesses 655 of the adapter latches 615. When theconnector 610 is in the adapter, for example, when the first projections have seated in therecesses 645 and/or theferrule 130 has established a connection with a corresponding ferrule (not shown), the inner pressing force on the adapter latches 615 may be released andsecond projections 635 may interface with theinner wall portions 650. Thesecond projections 635 may prevent movement of theconnector 610 further into theadapter 605 by engaging the inner wall portions. Accordingly, removal and/or insertion (plugging in) of theconnector 610 into theadapter 605 may only require pressing on the adapter latches 615 while pushing the connector into the adapter. - In some embodiments, the
adapter 605 may include a reduced-profile component portion 660 and aconventional component portion 665. The reduced-profile component portion 660 may be configured to engage reduced-profile connection components, such as theconnector 610 and/or aferrule 130 that is not arranged within or in association with conventional connection components, such as anejector housing 205, afront housing 210, springs 230,spring 225, or the like. Theconventional component portion 665, may be configured to engage conventional connection components, such as MT, MPO, and/or MTP. As such, reduced-profile connection components may be configured to operate with existing data transmission equipment, devices, connection assemblies, and/or the like. - In some embodiments, the
connector 610 may use only 1 part (the actual connector 610), not including theferrule 130. In comparison, conventional connectors may require 7 components to achieve the same functionality. In some embodiments, theconnector 610 may have a length of about 10 millimeters to about 20 millimeters. In some embodiments, the connector may have a length of about 13 millimeters. In some embodiments, theconnector 610 may have a length of about 10 millimeters, about 12 millimeters, about 14 millimeters, about 16 millimeters, about 18 millimeters, about 20 millimeters, and any value or range between any two of these values (including endpoints). -
FIGS. 7A-7J depict illustrative reduced-profile connection components according to a second resilient latch embodiment. As shown inFIGS. 7A and 7B , aconnector 710 may be configured to hold aferrule 130, for example, connected to apin holder 775. Theferrule 130 may include arecess 780 or other similar structure for engaging portions of the inside surface of themain body 760. Theconnector 710 may include aresilient adapter latch 715 arranged on a top portion thereof. Theadapter latch 715 may include acatch projection 725, acatch surface 730, and arecess 735. Theconnector 710 may include amain body 760 and a rear cover assembly (or “rear cover”) 755 configured to attach to (or “snap”) into the main body. Therear cover 755 may includesprings 770 andflanges 765. In some embodiments, thesprings 770 may be configured to press against theflanges 765 to provide a force pushing the flanges outward (for example, away from the springs). In some embodiments, theflanges 765 may provide a barrier to thesprings 770 such that the force of the springs may be directed toward theferrule 130 and/orpin holder 775 instead of, without the flanges, in a direction orthogonal to the ferrule. In some embodiments, thesprings 770 may be formed as one piece with curled ends configured to provide a resilient force. -
FIGS. 7D and 7E depict theconnector 710 and anadapter 705 configured to receive theconnector 710. Theadapter 705 may include aclip 720 having, as depicted inFIG. 7F , hooks 745, alatch catch 750 formed, and an opening immediately adjacent the latch catch. Theconnector 710 may be inserted into theadapter 705 by pressing down (for instance, toward the main body 760) theadapter latch 715 while pushing the connector into theopening 740 of the adapter. As shown in more detail inFIGS. 7G and 7H , theconnector 710 may engage theclip 720 within the adapter to maintain (or “lock”) the connector within the adapter. -
FIGS. 7G and 7H depict a cross-section of top-down view and a side view, respectively, of aconnector 710 installed in anadapter 705. As shown inFIG. 7G , therear cover 755 may be installed within themain body 760 of theconnector 205. As therear cover 755 is being pushed into themain body 760, theflanges 765 may be pressed inward (toward the springs 770) until the flanges clear aback portion 785 of the main body and become seated on an internal side of the back portion. Thesprings 770 may engage theferrule 130 and/orpin holder 775 and push the ferrule in a direction away from therear cover 755. - In some embodiments, the
adapter 705 may be used for conventional connection components (not shown), such as MPO connectors, and for reduced-profile connectors 710. In some embodiments, thehooks 745 of theclip 720 may not engage or may not substantially engage the connector. For instance, thehooks 745 may not touch and/or engage theconnector 710 in a manner that retains the connector within theadapter 705. In some embodiments, thehooks 745 may be used to engage and retain a conventional connector, such as an MPO connector. - The
connector 710 may be inserted in theadapter 705 by pushing down on theadapter latch 715 to allow thecatch projection 725 of the adapter latch to clear (to slide under) thelatch catch 750 of theclip 720 while pushing the connector through theopening 740. When thecatch projection 725 has cleared thelatch catch 750, theadapter latch 715 may be released. The resilient nature of theadapter latch 715 may cause the adapter latch to push upward (away from the main body 760). The upper force of theadapter latch 715 may cause thecatch projection 725 to engage an inner surface of thelatch catch 750, the latch catch to be seated in therecess 735, and/or thecatch surface 730 to engage an outer surface of the latch catch. The engagement between thecatch projection 725 and thelatch catch 750 may prevent theconnector 710 from being removed from theadapter 705. Accordingly, removal and/or insertion (plugging in) of theconnector 710 into theadapter 705 only requires pressing on the adapter latches 715 while pushing the connector into the adapter. -
FIG. 71 depicts an internal view of theconnector 710 installed within theadapter 705.FIG. 7J depicts aconnector 710 in which the pin holder engages aspring element 785 instead of thespring 770. - In some embodiments, the
connector 710 may use only 3 or less parts, not including theferrule 130. For example, theconnector 710 may include themain body 760, therear cover 755, and/or thespring 770. In comparison, conventional connectors may require 7 components to achieve the same functionality. In some embodiments, theconnector 710 may have a length of about 10 millimeters to about 20 millimeters. In some embodiments, the connector may have a length of about 13 millimeters. In some embodiments, theconnector 710 have a length of about 10 millimeters, about 12 millimeters, about 14 millimeters, about 16 millimeters, about 18 millimeters, about 20 millimeters, and any value or range between any two of these values (including endpoints). -
FIGS. 8A-8E depict illustrative reduced-profile connection components according to a third resilient latch embodiment. As shown inFIGS. 8A-8C , aconnector 810 may be configured to hold aferrule 130. Theconnector 810 may include aresilient adapter latch 815 on a top portion thereof. Theadapter latch 815 may include acatch projection 825. -
FIGS. 8D and 8F depict a cross-section of top-down view and a side view, respectively, of aconnector 810 installed in anadapter 805. Theadapter 805 may include aclip 720, as depicted inFIG. 7F , havinghooks 745 and alatch catch 750 formed thereon. In some embodiments, theadapter 705 may be used for conventional connection components (not shown), such as MPO connectors, and for reduced-profile connectors 710. In some embodiments, thehooks 745 of theclip 720 may not engage or may not substantially engage the connector. For instance, thehooks 745 may not touch and/or engage theconnector 710 in a manner that retains the connector within theadapter 705. In some embodiments, thehooks 745 may be used to engage and retain a conventional connector, such as an MPO connector. Theconnector 810 may includevarious structures 850, such as projections, ridges, spacers, or the like that are configured to engage thepin holder 745 and/or the rear portion of theferrule 130 to prevent the ferrule from moving toward the rear portion of theconnector 810. - The
connector 810 may be inserted into theadapter 805 by pressing down (for instance, toward the ferrule 130) theadapter latch 815 while pushing the connector into theopening 840 of the adapter. Theconnector 810 may engage with theclip 720 within the adapter to maintain (or “lock”) the connector within the adapter. Theconnector 810 may be inserted in theadapter 805 by pushing down on theadapter latch 815 to allow thecatch projection 825 of the adapter latch to clear (to slide under) thelatch catch 750 of theclip 720 while pushing the connector through theopening 840. When thecatch projection 825 has cleared thelatch catch 750, theadapter latch 815 may be released. The resilient nature of theadapter latch 815 may cause the adapter latch to push upward (for instance, away from the ferrule 130). The upper force of theadapter latch 815 may cause thecatch projection 825 to engage an inner surface of thelatch catch 750. The engagement between thecatch projection 825 and thelatch catch 750 may prevent theconnector 810 from being removed from theadapter 805. Accordingly, removal and/or insertion (plugging in) of theconnector 810 into theadapter 805 only requires pressing on the adapter latches 815. - In some embodiments, the
connector 810 may use only 2 or less parts, not including theferrule 130. For example, theconnector 810 may include a main body and a rear cover. In comparison, conventional connectors may require 7 components to achieve the same functionality. In some embodiments, theconnector 810 may have a length of about 10 millimeters to about 20 millimeters. In some embodiments, the connector may have a length of about 13 millimeters. In some embodiments, theconnector 810 have a length of about 10 millimeters, about 12 millimeters, about 14 millimeters, about 16 millimeters, about 18 millimeters, about 20 millimeters, and any value or range between any two of these values (including endpoints). - Although a fiber optic connector has been used as an illustrative embodiment, this detailed description is not so limited, as any type of electrical and/or communication connector may be used according to some embodiments. The connectors, adapters, and connection assemblies formed therefrom may be used in combination with other connection elements and/or materials, such as crimpers, bands, straps, ferrules, locking materials, fluids, gels, or the like.
- In the above detailed description, reference is made to the accompanying drawings, which form a part hereof. In the drawings, similar symbols typically identify similar components, unless context dictates otherwise. The illustrative embodiments described in the detailed description, drawings, and claims are not meant to be limiting. Other embodiments may be used, and other changes may be made, without departing from the spirit or scope of the subject matter presented herein. It will be readily understood that the aspects of the present disclosure, as generally described herein, and illustrated in the Figures, can be arranged, substituted, combined, separated, and designed in a wide variety of different configurations, all of which are explicitly contemplated herein.
- The present disclosure is not to be limited in terms of the particular embodiments described in this application, which are intended as illustrations of various aspects. Many modifications and variations can be made without departing from its spirit and scope, as will be apparent to those skilled in the art. Functionally equivalent methods and apparatuses within the scope of the disclosure, in addition to those enumerated herein, will be apparent to those skilled in the art from the foregoing descriptions. Such modifications and variations are intended to fall within the scope of the appended claims. The present disclosure is to be limited only by the terms of the appended claims, along with the full scope of equivalents to which such claims are entitled. It is to be understood that this disclosure is not limited to particular methods, reagents, compounds, compositions or biological systems, which can, of course, vary. It is also to be understood that the terminology used herein is for the purpose of describing particular embodiments only, and is not intended to be limiting.
- With respect to the use of substantially any plural and/or singular terms herein, those having skill in the art can translate from the plural to the singular and/or from the singular to the plural as is appropriate to the context and/or application. The various singular/plural permutations may be expressly set forth herein for sake of clarity.
- It will be understood by those within the art that, in general, terms used herein, and especially in the appended claims (for example, bodies of the appended claims) are generally intended as “open” terms (for example, the term “including” should be interpreted as “including but not limited to,” the term “having” should be interpreted as “having at least,” the term “includes” should be interpreted as “includes but is not limited to”). While various 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 understanding, the following appended claims may contain usage of the introductory phrases “at least one” and “one or more” to introduce claim recitations. However, the use of such phrases should not be construed to imply that the introduction of a claim recitation by the indefinite articles “a” or “an” limits any particular claim containing such introduced claim recitation to embodiments containing only one such recitation, even when the same claim includes the introductory phrases “one or more” or “at least one” and indefinite articles such as “a” or “an” (for example, “a” and/or “an” should be interpreted to mean “at least one” or “one or more”); the same holds true for the use of definite articles used to introduce claim recitations. In addition, even if a specific number of an introduced claim recitation is explicitly recited, those skilled in the art will recognize that such recitation should be interpreted to mean at least the recited number (for example), the bare recitation of “two recitations,” without other modifiers, means at least two recitations, or two or more recitations). Furthermore, in those instances where a convention analogous to “at least one of A, B, and C, et cetera” is used, in general such a construction is intended in the sense one having skill in the art would understand the convention (for example, “a system having at least one of A, B, and C” would include but not be limited to systems that have A alone, B alone, C alone, A and B together, A and C together, B and C together, and/or A, B, and C together, et cetera). In those instances where a convention analogous to “at least one of A, B, or C, et cetera” is used, in general such a construction is intended in the sense one having skill in the art would understand the convention (for example, “a system having at least one of A, B, or C” would include but not be limited to systems that have A alone, B alone, C alone, A and B together, A and C together, B and C together, and/or A, B, and C together, et cetera). It will be further understood by those within the art that virtually any disjunctive word and/or phrase presenting two or more alternative terms, whether in the description, claims, or drawings, should be understood to contemplate the possibilities of including one of the terms, either of the terms, or both terms. For example, the phrase “A or B” will be understood to include the possibilities of “A” or “B” or “A and B.”
- In addition, where features or aspects of the disclosure are described in terms of Markush groups, those skilled in the art will recognize that the disclosure is also thereby described in terms of any individual member or subgroup of members of the Markush group.
- As will be understood by one skilled in the art, for any and all purposes, such as in terms of providing a written description, all ranges disclosed herein also encompass any and all possible subranges and combinations of subranges thereof. Any listed range can be easily recognized as sufficiently describing and enabling the same range being broken down into at least equal halves, thirds, quarters, fifths, tenths, or the like. As a non-limiting example, each range discussed herein can be readily broken down into a lower third, a middle third, and an upper third. As will also be understood by one skilled in the art all language such as “up to,” “at least,” and the like include the number recited and refer to ranges which can be subsequently broken down into subranges as discussed above. Finally, as will be understood by one skilled in the art, a range includes each individual member. Thus, for example, a group having 1-3 cells refers to groups having 1, 2, or 3 cells. Similarly, a group having 1-5 cells refers to groups having 1, 2, 3, 4, or 5 cells, and so forth.
- Various of the above-disclosed and other features and functions, or alternatives thereof, may be combined into many other different systems or applications. Various presently unforeseen or unanticipated alternatives, modifications, variations or improvements therein may be subsequently made by those skilled in the art, each of which is also intended to be encompassed by the disclosed embodiments.
Claims (17)
1. An optical fiber connector comprising:
an outer housing;
an MT ferrule received in the outer housing, the MT ferrule configured to receive at least eight optical fibers at spaced apart locations along a fiber alignment axis; and
a depressible latch arm disposed on the outer housing such that the depressible latch arm is spaced apart along the fiber alignment axis from the MT ferrule.
2. The optical fiber connector as set forth in claim 1 , wherein the optical fiber connector is configured to plug into a port of an adapter.
3. The optical fiber connector as set forth in claim 2 , wherein the depressible latch arm comprises a hook portion configured to latch into a latching recess of the adapter when the optical fiber connector plugs into the port.
4. The optical fiber connector as set forth in claim 3 , wherein the depressible latch arm is configured to be depressed to unlatch the hook portion from the latching recess and release the optical fiber connector from the adapter port.
5. The optical fiber connector as set forth in claim 1 , wherein the outer housing has a generally rectangular cross sectional shape.
6. The optical fiber connector as set forth in claim 5 , wherein the outer housing comprises opposite first and second sides spaced apart along the fiber alignment axis and opposite third and fourth sides spaced apart along a perpendicular axis perpendicular to the fiber alignment axis.
7. The optical fiber connector as set forth in claim 6 , wherein the depressible latch arm is disposed on the first side.
8. The optical fiber connector as set forth in claim 7 , wherein the first and second sides have a first dimension in along the perpendicular axis and the third and fourth sides have a second dimension along the fiber alignment axis, the first dimension being less than the second dimension.
9. The optical fiber connector as set forth in claim 6 , further comprising a polarity key disposed on one of the first, second, third, and fourth sides.
10. The optical fiber connector as set forth in claim 1 , wherein the depressible latch arm is configured to be depressed toward the outer housing and resiliently rebound when released.
11. The optical fiber connector as set forth in claim 1 , wherein the optical fiber connector has a front end portion and a rear end portion spaced apart along a longitudinal axis perpendicular to the fiber alignment axis.
12. The optical fiber connector as set forth in claim 11 , wherein the depressible latch arm comprises a front end portion and a rear end portion spaced apart along the longitudinal axis, the front end portion of the depressible latch arm being located closer to the MT ferrule along the fiber alignment axis than the rear end portion of the depressible latch arm.
13. The optical fiber connector as set forth in claim 12 , wherein the front end portion of the depressible latch arm has a substantially fixed position along the fiber alignment axis in relation to the outer housing and wherein the rear end portion of the depressible latch arm is configured to be depressed toward the outer housing along the fiber alignment axis.
14. The optical fiber connector as set forth in claim 1 , wherein the MT ferrule comprises a ferrule flange and the outer housing comprises an inner shoulder portion directly engaging the ferrule flange to support the MT ferrule in the outer housing.
15. The optical fiber connector as set forth in claim 1 , wherein the depressible latch hook comprises a first depressible latch hook, the optical fiber connector further comprising a second depressible latch hook on an opposite side of the MT ferrule from the first depressible latch hook.
16. An adapter for mating with an optical fiber connector comprising an MT ferrule having at least eight optical fibers spaced apart along a fiber alignment axis, the adapter comprising:
a generally rectangular perimeter wall extending circumferentially around a port configured plugging the optical fiber connector into the port, the generally rectangular perimeter wall comprising opposite first and second sides spaced apart along a first axis and opposite third and fourth sides spaced apart along a second axis perpendicular to the first axis, the first side of the perimeter wall defining a latch recess, the latch recess being configured to latch with a depressible latch arm of the optical fiber connector when the optical fiber connector is plugged into the port to retain the optical fiber connector in the port so that the fiber alignment axis extends parallel to the first axis.
17. An optical fiber connector configured to plug into a port of an adapter comprising a latching recess, the optical fiber connector comprising:
an MT ferrule, the MT ferrule configured to receive at least eight optical fibers at spaced apart locations along a fiber alignment axis;
an outer housing having a front end portion and a rear end portion spaced apart along a longitudinal axis, the outer housing receiving the MT ferrule therein such that the MT ferrule is exposed through the front end portion for making an optical connection, the outer housing having a generally rectangular cross sectional shape, the outer housing comprising opposite first and second sides spaced apart along the fiber alignment axis and opposite third and fourth sides spaced apart along a perpendicular axis perpendicular to the fiber alignment axis, the first and second sides having a first dimension along the perpendicular axis and the third and fourth sides having a second dimension along the fiber alignment axis, the first dimension being less than the second dimension; and
a depressible latch arm connected to the first side of the outer housing such that the depressible latch arm is spaced apart along the fiber alignment axis from the MT ferrule, the depressible latch arm comprising a front end portion and a hook portion spaced apart rearwardly from the front end portion along the longitudinal axis, the front end portion of the depressible latch arm being connected to the outer housing and the depressible latch arm being resiliently biased toward an non-depressed position at which hook portion is spaced apart from the first side of the outer housing along the fiber alignment axis, the hook portion of the latch arm being configured to latch into the latching recess of the adapter when the optical fiber connector plugs into the port, the depressible latch arm being configured to be depressed such that the hook portion moves toward the MT ferrule along the fiber alignment axis to unlatch the hook portion from the latching recess and release the optical fiber connector from the adapter port.
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US17/317,543 US20210263228A1 (en) | 2014-06-09 | 2021-05-11 | Reduced-profile date transmission element connectors, adapters, and connection assemblies thereof |
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US9618702B2 (en) | 2014-06-09 | 2017-04-11 | Senko Advanced Components, Inc. | Reduced-profile data transmission element connectors, adapters, and connection assemblies thereof |
US9939598B2 (en) * | 2015-01-16 | 2018-04-10 | Us Conec, Ltd. | Fiber optic connector assembly, apparatus for forming a transceiver interface, and ferrule |
US9964709B2 (en) * | 2015-03-02 | 2018-05-08 | Sumix Corporation | Methodology and design of fixtures for precision alignment of MTP/MPO connectors and MT ferrules in interferometric end-face measurements |
WO2017131717A1 (en) * | 2016-01-28 | 2017-08-03 | Senko Advanced Components, Inc. | Fiber optic hybrid adapter and connector assemblies |
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USD823255S1 (en) * | 2016-08-05 | 2018-07-17 | Corning Optical Communications LLC | Fiber optic connector |
WO2018039882A1 (en) * | 2016-08-29 | 2018-03-08 | 新确精密科技(深圳)有限公司 | Optical fiber connection structure and optical fiber connection module |
US10078188B1 (en) | 2016-12-05 | 2018-09-18 | Senko Advanced Components, Inc. | Springless push/pull fiber optic connector |
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-
2014
- 2014-06-09 US US14/299,224 patent/US9618702B2/en active Active
- 2014-06-11 TW TW103120197A patent/TWI690125B/en not_active IP Right Cessation
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2016
- 2016-03-15 US US15/070,770 patent/US9798090B2/en active Active
-
2017
- 2017-04-10 US US15/483,123 patent/US10197740B2/en active Active
-
2019
- 2019-01-25 US US16/257,488 patent/US11002918B2/en active Active
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2020
- 2020-11-18 US US16/951,680 patent/US11402587B2/en active Active
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2021
- 2021-05-11 US US17/317,543 patent/US20210263228A1/en not_active Abandoned
- 2021-07-15 US US17/376,977 patent/US20210341681A1/en not_active Abandoned
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US9618702B2 (en) | 2017-04-11 |
TWI690125B (en) | 2020-04-01 |
US20190285807A1 (en) | 2019-09-19 |
US20210072464A1 (en) | 2021-03-11 |
US10197740B2 (en) | 2019-02-05 |
TW201547120A (en) | 2015-12-16 |
US20160195682A1 (en) | 2016-07-07 |
US9798090B2 (en) | 2017-10-24 |
US11402587B2 (en) | 2022-08-02 |
US20210341681A1 (en) | 2021-11-04 |
US20170212316A1 (en) | 2017-07-27 |
US20150355417A1 (en) | 2015-12-10 |
US11002918B2 (en) | 2021-05-11 |
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