US Conec Limited

Corning Research & Development Corporation

Jason Higley

Darrell Randolph Childers

Jillcha Fekadu Wakjira

Craig Miller Conrad

Mitchell Cloud

Michael E Hughes

Myron W Yount

Terry Lee Cooke

Hiep V Nguyen

Sherrh Clint Reinhardt

Shubhrangshu Sengupta

Daniel D Kurtz

Sherri Reed

Scott Mendenhall

Brent D Henley

Kolton Baer

Shelly Ann Buchter

Darrell P Childers

An interface provides protection and support for transitioning a jacketed fiber optic cable. The interface has a crimp body, a transition portion and a front end to receive an adapter. The interface preferably has a main body with two pieces that are identical. The two pieces have tabs and recesses corresponding to the tabs for alignment and structure. The main body also may have an opening for an adapter latch. A crimp band fits over the crimp body to secure the jacketed fiber optic cable to the interface.

Adapter to jacketed fiber interface

An optical interconnect assembly includes a pre-terminated trunk cable assembly with a cable bundle having a plurality of optical fiber trunk cables terminating in ribbonized groups of optical fiber and a plurality of terminated small form factor fiber optic connectors for inclusion in a pulling sock attached to the plurality of optical fiber trunk cables. Each of the connectors has a push-pull stick with a pair of side latches on opposing sides of the central portion, a ferrule push, a housing configured to engage the push-pull stick and the ferrule push, a miniature multi-fiber ferrule, and a dust cap. The components are provided inside the pulling sock with at least one additional one of the plurality of terminated small form factor fiber optic connector identical to the first small form factor fiber optic connector.

Data center interconnect for optical trunk cables having miniature multi-fiber ferrules

A new boot for a fiber optic connector has a ribbed back portion, a center portion, and a forward extending portion that can be used to insert and remove the fiber optic connector to receptacle. The ribbed back portion has grasping elements and is connected to the center portion. The center portion is removably connected to a crimp body that is in turn connected to the connector housing. The front extension is connected to the fiber optic connector and also provides a keying feature depending on the side of the fiber optic connector on which it is installed.

Flexible push-pull boot

A multi-fiber ferrule has a main body with a top portion and a bottom portion, the top portion includes a top cut-out therein to form a first forward facing surface to engage a housing of a fiber optic connector. The top cut-out extends rearwardly from the front end. The bottom portion also has a bottom cut-out portion forming a second forward facing surface to engage the housing of the fiber optic connector, the bottom cut-out also extending rearwardly from the front end. The multi-fiber ferrule also includes an end face at a front end of the main body, and a rear face at a rear end of the main body. There is a rear central opening that extends into the main body from the rear end face and configured to receive at least three optical fibers.

Miniature multi-fiber ferrule

A small form factor dust cap for a fiber-optic connector includes a main body having a front portion, a middle portion, a rear portion, and an internal opening extending within the main body from the rear portion toward the front portion, the main body formed by two long side walls joined by a short top wall and an oppositely placed short bottom wall, a pair of cutouts in each of the respective two long side walls and located nearer to one of the short top wall and the short bottom wall, an extension extending rearwardly from the middle portion and having a free end, and an engagement mechanism at the free end of the extension to engage a housing of the fiber optic connector. The dust cap is also combined with a small form factor fiber optic connector.

Small form factor fiber optic connector dust cap

A fiber optic connector housing has seating features in an internal opening that coordinate with a flange on a fiber optic ferrule to have a secure and precise position for the fiber optic ferrule. There are at least one pair of ramps that may be attached to an inner connector housing wall and an opening wall. The flange has contacts that engage the ramps, which direct the fiber optic ferrule in a rotational direction as well as a translational direction to a final position. The seating features also ensure the correct position after the fiber optic ferrule has been mated and unmated.

Ferrule seating features for a fiber optic connector

A dust plug for use in a pre-populated adapters has a main body having a top wall, a bottom wall, and two opposing side walls extending between the top wall and bottom wall. The dust plug also includes at least one pair of latches in a front portion of the main body and each of the at least one pair of latches may have an increased thickness at a forward end thereof. The area of increased thickness is sized to engage a receptacle in an inner surface of the housing when the dust plug is attached to the housing. Other versions contemplate not having the increased thickness. The dust plug preferably includes a grip at the back end.

Dust plug for adapter pre-populated with MPO housing

A fiber optic connector has a fiber optic connector shutter that rotates about a first axis and an adapter for the fiber optic connector also has an adapter shutter that rotates about a second axis in the adapter. When the fiber optic connector and the adapter are mated to one another, the axes for the fiber optic connector shutter and the adapter shutter are aligned and the fiber optic connector shutter and the adapter shutter rotate about a single axis. The fiber optic connector shutter and the adapter shutter include structure to maintain engagement during the mating and un-mating of the fiber optic connector and the adapter.

Dual interlocking shutter system for a fiber optic connector and adapter

A fiber optic ferrule receiver includes a main body that has an opening extending between the front end and the rear end and being defined at least by a portion of internal surfaces of the four sides. A first side in the opening has first tapered surface and a second tapered surface, the first tapered surface reducing the opening between the rear end and a first position and the second tapered surface increasing the opening between the first position and the front end. There is also a second side in the opening and across the opening from the first side, the second side has a third tapered surface and a fourth tapered surface, the third tapered surface reducing the opening between the rear end and a second position and the second tapered surface increasing the opening between the second position and the front end. There is also a first projection extending into the opening from the first side to engage a first portion of the fiber optic ferrule at the first position, and a second projection extending into the opening from second side to engage a second portion of the fiber optic ferrule at the second position.

Fiber optic ferrule and fiber optic ferrule receiver

A guide pin insert for an adapter to align two fiber optic connectors includes a central body having an opening configured to allow two fiber optic ferrules to mate therethrough, the opening having a longitudinal axis therethrough, a first guide pin holder in communication with the opening on a first side of the central body to engage a first guide pin, a second guide pin holder in communication with the opening on a second side of the central body to engage a second guide pin, a third guide pin holder spaced from the first guide pin holder along the longitudinal axis to engage the first guide pin, and a fourth guide pin holder spaced from the second guide pin holder along the longitudinal axis to engage the second guide pin.

Guide pin holder for guide pins in an adapter

A cover for a fiber optic ferrule and ferrule push includes a sleeve extending lengthwise between opposed front and rear ends and defines a lengthwise-extending opening that opens through the rear end for receiving at least a portion of the fiber optic fiber optic ferrule and the ferrule push. The sleeve also includes a top side and an opposing bottom side, and two side walls extending between the top side and the bottom side and along at least a portion of the sleeve. A receiver is disposed in the top side to receive a projection associated with the ferrule push.

Multi-port uniboot connector for multi-fiber plug housings

A new fiber optic connector provides a smaller form factor by including two ferrule assemblies in a housing. The housing accepts a push-pull mechanism that allows for insertion and removal from a carrier as well as an adapter. The push-pull mechanism may also include a flexure member to return the push-pull mechanism. Polarity of the fiber optic connector may also be selected by use of the push-pull mechanism.

Crimp body for mini duplex connector with push-pull polarity mechanism and carrier

A fiber optic connector includes a connector body, a release member attached to the connector body and having a boot latch opening at a rear end, a push-pull boot attached to the release member, and a boot latch attached to the push-pull boot and extending forward and away from the push-pull boot, the boot latch having a first and second side extension and a central head member connected to and at least partially disposed between the first and the second side extensions by at least one flexure member, the boot latch is permanently disposed within the release member after the boot latch is inserted into the boot latch opening as the central head member engages each of the first side extension and the second side extension preventing removal of the boot latch from the release member when push or pull forces are applied to the push-pull boot.

Growing community of inventors

Hickory, NC, United States of America

Jason Higley