Abstract: A fiber optic connector includes a multifiber ferrule and at least one force centering element for applying a biasing force to the ferrule in the longitudinal direction without introducing a moment about a lateral axis. The connector further includes a coil spring for exerting the biasing force and a spring seat disposed between the coil spring and the ferrule. The rearward portion or the forward portion of the spring seat may be provided with a pair of outwardly extending protrusions that are laterally spaced apart to transfer the biasing force to the ferrule. Alternatively, the forward portion of the spring seat or the rear face of the ferrule may define a convex surface. Alternatively, the ferrule defines a convex surface in the direction of a first lateral axis and the spring seat defines a convex surface in the direction of a second lateral axis perpendicular to the first lateral axis.

Abstract: A device to retrofit an existing modular connector having a flexible projecting connector tab that renders a cable to which the modular connector is connected susceptible to snagging is provided. The device is attached onto the connector and has a hollow interior, a bottom, two lateral sides, and a top. The top has a projecting tab. The projecting tab is set at an angle to allow the device tab to preclude objects from entering an opening formed by the connector tab and the connector and thus prevents the connector from snagging.

Abstract: An optical fiber coupling assembly is provided, which is an integration of connectors and coupler. A connector is installed to an end of a fiber cable. The connector is then inserted into a sleeve of a coupler. A latch is used to force the end surface of the fiber cable's core to be tightly joined to that of an opposite fiber cable also coupled to the coupling assembly, reducing the power loss of the light signal transmission over the two fiber cables. The coupling assembly is structurally simple, has a smaller form factor, and is able to increase operation efficiency and reduce production cost.

Abstract: An optical fiber connector includes a housing (12) with a terminus-holding housing (14) portion that holds a plurality of optical fiber termini (24) with optical cables trailing therefrom. A pair of metal sleeves are crimped to the strength member of each optical cable to form a crimp sleeve assembly (26). The housing including a holder (16) with a plurality of channels (32) that each removably holds one of the sleeve assemblies. This arrangement enables a selected one of a plurality of optical fiber cables with termini fixed thereto, to be easily removed from the rest of the housing, and to allow a new optical fiber cable with a terminus and crimp sleeve assembly thereon to be installed in its place.

Abstract: The invention provides a bend/stress relief sleeve kit for installation over an existing fibre optic cable/fibre optic cable connector assembly without disassembly or modification of the existing fibre optic cable/fibre optic cable connector assembly, the kit comprising: an inner spiral wrap for wrapping the existing fibre optic cable/fibre optic cable connector assembly, overlapping at least part of the fibre optic cable connector and extending over the fibre optic cable, the spiral wrap providing bend relief; an outer mesh having a tubular passageway, for overlapping at least part of the fibre optic cable connector and extending over the fibre optic cable, the outer mesh covering at least a substantial portion of the inner spiral wrap; first fastening means for fastening the outer mesh to the fibre optic cable connector; and second fastening means for fastening the outer mesh to the fibre optic cable; whereby the combination of the outer mesh, the first fastening means and the second fastening means provide

Abstract: A fiber optic connector assembly includes an outer connector housing defining an optic axis in a through passage. A first key is disposed in the passage at a given position angularly about the axis. An inner optical fiber plug terminates an optical fiber and is disposed in the passage and includes a second key movably positionable about the periphery of the plug to different selected positions of rotational adjustment for the plug. The second key is fixable at any selected position on the plug and is lockable with the first key on the housing to fix the angular position of the plug relative to the housing and, thereby, fix the rotational position of the optical fiber angularly of the optic axis.

Abstract: In an optical connector adapter for use in connecting first and second optical connectors to each other, the optical connector adapter includes a shell member which has a wall portion defining an opening and which receives the first optical connector. The opening is received with an insert member adapted to guide the second optical connector. The insert member includes a flange portion extending outward in a radial direction. The flange portion has an extending end face faced to the wall portion, an engaging portion formed on the extending end face, and a slit allowing the engaging portion to be movable away from the wall portion. The wall portion has an engaged portion to be engaged with the engaging portion of the flange portion.

Abstract: The present invention relates to a fiber optic cable assembly including a connector subassembly having a fiber optic cable terminated in a connector, the fiber optic cable having a minimum bend radius; and a strain relief boot attached to the connector subassembly, the strain relief boot having a core portion, a flexible extension with a proximal end and a distal end, the proximal end extending from the core portion. The flexible extension retains at least a portion of the fiber optic cable.

Abstract: A fiber optic connector module is provided for assembly at a rear face of a fiber optic connector assembly. The module includes a ferrule terminated to at least one optical fiber. A housing is spaced behind the ferrule and includes a rear end exposed at said rear face of the connector assembly. An extender member is removably attached to the housing at the rear end thereof and extends away from the rear face of the connector assembly for facilitating manipulation of the connector module.

Abstract: Provided in the present specification is an optical connector boot including: an attachment portion attached to a connector ferrule, and a cable passing portion through which a flat type optical fiber cable is passed, in which there is provided at one longitudinal end of the cable passing portion an inlet for introducing the flat type optical fiber cable into the cable passing portion, in which there is provided in the attachment portion an outlet for drawing out the flat type optical fiber cable inserted into the cable passing portion, and in which the inlet and the outlet differ from each other in orientation so that the flat type optical fiber cable inserted into the cable passing portion through the inlet may be twisted around its axis within the cable passing portion by drawing it out of the outlet. According to an optical connector of the present invention, a flat type optical fiber cable inserted into and secured in a ferrule is covered with the optical connector boot.

Abstract: A fiber bending apparatus for bending an optical fiber in a networking device and an optical fiber management system and method are provided. The fiber bender has an arcuate main body which is attached to the end of an optical fiber above the male connector and partially including the connector boot, bending the fiber substantially orthogonal to a direction from which the fiber is connected to a line module of the networking device, i.e., substantially parallel to the faceplate of the line module. In this way, the optical fibers are made to bend away from the chassis of the networking device, thereby preventing them from being crushed when the door of the chassis is closed. The optical fibers are also shielded from inadvertent impacts when a technician is working on the networking device. By enabling the optical fibers to be easily directed and managed, the overall fiber density of the networking device may be increased, thereby increasing its bandwidth and information processing capabilities.

Abstract: An anchored fiber optic cable and housing assembly. The fiber optic cable includes a strength member and a jacket around the strength member. The anchor is mounted on the cable. The anchor includes an inner sleeve and an outer sleeve. The strength member extends from the end of the cable and is structurally engaged with the anchor. The housing includes an anchor cavity and a cable inlet. The anchor cavity includes a first shoulder for engaging with the anchor. The anchor is mounted in the housing cavity and the cable extends through the cable inlet. The anchor cavity shoulder is engaged with the anchor to prevent the anchor from exiting the housing through the cable inlet. An anchored cable is also described, as are methods for anchoring the cable and for mounting the anchored cable in the housing. The fiber optic cable may include an optical fiber.

Abstract: An anchored fiber optic cable assembly. The assembly comprises: a plurality of fiber optic cables and an anchor. Each of the cables comprises a strength member, and a jacket around the strength member. The cable includes a first end and a second end. The anchor includes a first end and a second end, and a plurality of passages extending through the anchor from the first end to the second end. Each of said cables is mounted in a respective one of the passages such that the strength member is bonded to the anchor. An anchored cable assembly mounted in a housing is also described, as are methods of anchoring the cables and methods of mounting the anchored cables in a housing. Each of the cables may include an optical fiber in the jacket.

Abstract: A preferred embodiment of a guide boot for a fiber-optic cable mechanically coupled to a connector comprises a mating portion having an interior surface defining a passage for receiving a portion of the connector and the fiber-optic cable, and a plurality of ribs formed on the interior surface and extending along at least a portion of a length of the mating portion. A preferred embodiment of a guide boot also comprises a body portion adjoining the mating portion and having an interior surface that defines a passage for receiving the fiber-optic cable. The interior surface of the body portion is curved so that the body portion bends the fiber-optic cable.

Abstract: A fiber optic coupler comprises a metal tube and a clear hollow silicone insert, with a tapered region including a first set of grabbers and a constant area region including a second set of grabbers. A tapered optical element is coupled to an optical fiber, when both the tapered optical element and the optical fiber are mechanically secured by crimping the metal tube and the silicone insert in the proximity of the first and second sets of grabbers, as by using a standard crimper tool.

Abstract: An optical connector plug has a front housing 1, a rear housing 2, a ferrule 3, a coil spring 4 and an optical cord fixing member 5, and in addition to the ferrule 3 and the coil spring 4, the optical cord fixing member 5 for fixing a tension resistive member and a cord outer jacket is received and held within an internal through space defined when the front housing 1 and the rear housing 2 are coupled. Also, upon assembling the optical connector plug, assembling of these members 1 to 5 can be realized by movement in an axial direction as much as possible. Accordingly, assembling of the optical connector plug is facilitated and suitable for automatic assembling.

Abstract: The outer periphery of the code leading end portion of the rear end portion of a connector housing is formed in a regular quadrilateral shape, while the inner periphery of the mounting end portion of a code hold boot member is formed in a regular quadrilateral shape which allows the mounting end portion inner periphery to be fitted with the outer surfaces of the code draw-out end portion. A plurality of projection-shaped engaging portions are formed in the respective composing surfaces of the outer periphery of the code leading end portion and, a plurality of engaging portions are formed in the respective composing surfaces of the inner periphery of the mounting end portion. The mounting end portion of the code hold boot member can be fitted with the outer surfaces of the code leading end portion in four different postures leading in upper, lower, right and left directions.

Abstract: An optical connector for connecting optical fibers together in an automobile, equipment or the like. The optical connector includes a housing body portion to be connected to a mating optical connector and a bending guide portion. The housing body portion has a fiber receiving hole portion for receiving an optical fiber exposed at an end portion of an optical fiber cord. The optical fiber cord extends rearward from the fiber receiving hole portion. The bending guide portion extends rearward from the housing body portion and has a holding portion for holding the optical fiber cord in a predetermined curved manner. The optical fiber cord is positioned and held in an axial direction thereof in the bending guide portion.

Abstract: A fiber optic connector module is provided for assembly at a rear face of a fiber optic connector assembly. The module includes a ferrule terminated to at least one optical fiber. A housing is spaced behind the ferrule and includes a rear end exposed at said rear face of the connector assembly. An extender member is removably attached to the housing at the rear end thereof and extends away from the rear face of the connector assembly for facilitating manipulation of the connector module.

Abstract: There is provided a packaging unit for an optical fiber array using a planar lightwave circuit (PLC). An optical fiber array is fixed within a housing. The housing has first and second slots formed to face each other on the side periphery, and each of the first and second slots has opened ends to make the inner and outer walls of the housing communicate with each other. An optical fiber of the optical fiber array is inserted through first and second boots and then the first and second boots are inserted in the first and second slots of the housing.

Abstract: An optical connector plug according to the present invention which is joined to a front end of an optical fiber cord covering an optical fiber and which is removably inserted to one end of an optical adapter having a locking member for locking the optical connector plug in an engaged state, includes an inserted portion removably inserted to one end of the optical adapter, a plug body joined to a front end of the optical fiber cord, a locking portion formed between the plug body and the inserted portion and locked by the locking member of the optical adapter, and a rotational phase reference surface formed on the plug body away from the locking portion. The optical connector plug according to the present invention can be applied to APC optical connector plug, secure high reliability for optical cross-connecting, and also reduce cost.

Abstract: A connector (10) comprising: a housing 11 having a front and rear orientation; a ferrule (12) disposed in the front of the housing and containing at least one fiber, a resilient member (13) disposed in the housing rearward of the ferrule (12); and a bendlimiter (14) disposed in the housing rearward of the resilient member, the bend limiter comprising a crimp portion (21) for interengaging the housing such that the bend limiter position with respect to the housing (11) is fixed, the crimp portion providing a backstop for compressing the resilient means (13) against the ferrule to urge the ferrule forward, the bend limiter also comprising an arcuate portion for dressing the fiber, the arcuate portion having a radius no less than the minimum bend radius of the fiber.

Abstract: The present invention relates to a fiber optic cable assembly comprising (a) a connector subassembly comprising a fiber optic cable terminated in a connector, the fiber optic cable having a minimum bend radius; and (b) a strain relief boot attached to the connector subassembly, the strain relief boot comprising a core portion, a flexible extension having a proximal end and a distal end, the proximal end extending from the core portion, and a means for retaining at least a portion of the fiber optic cable which is disposed along the flexible extension. The flexible extension does not have a predetermined bend.

Abstract: A preferred embodiment of a guide boot for a fiber-optic cable mechanically coupled to a connector comprises a mating portion having an interior surface defining a passage for receiving a portion of the connector and the fiber-optic cable, and a plurality of ribs formed on the interior surface and extending along at least a portion of a length of the mating portion. A preferred embodiment of a guide boot also comprises a body portion adjoining the mating portion and having an interior surface that defines a passage for receiving the fiber-optic cable. The interior surface of the body portion is curved so that the body portion bends the fiber-optic cable.

Abstract: Disclosed is a strain relief interface for connecting a packaged optical device and an optical fibre. The optical fibre passes through a snout bore extending from a side wall of the package. The interface comprises two moulded jackets. The first moulded jacket surrounds, and is affixed to, a sheathed section of optical fibre from which a fibre jacket has been removed. A first end of the first moulded jacket is affixed to a fibre jacket that encases an adjacent section of optical fibre. A second end of the first moulded jacket is affixed to the snout bore and to a ferrule located within the snout bore. The second moulded jacket surrounds, and is affixed to, the first moulded jacket, a portion of the fibre jacket and the snout bore. Also disclosed is a method for fabricating a strain relief interface.

Abstract: An optical fiber terminating assembly has an outer body (10), a first member (11) locatable in the outer body (10) and which carries a protruding length of optical fiber (36) which locates an alignment structure (44, 45) and a housing (12) locatable in alignment with the first member (11). The housing (12) has an access opening for receiving an optical fiber (52, 53) to be terminated so that the fiber can be located in the alignment structure in abutment with the optical fiber length (35). The housing has a compartment (47) which receives a heat responsive adhesive element (57), a saddle (58) and a resistor (59). When a current is passed through the resistor, the heat generated is transmitted by the saddle to the adhesive which melts and flows around the optical fiber (52, 53) to secure it in position in abutment with the optical fiber length (35).

Abstract: An optical connector in which the operation for inserting an optical fiber cord can be effected easily, and the optical fiber cord can be positively prevented from being abruptly bent. A bending guide portion of an arcuate shape is formed integrally with a housing body portion for receiving and holding an end portion of an optical fiber cord. The bending guide portion has a generally tubular shape, and its inner peripheral portion forms an inner peripheral bending limitation portion for limiting a minimum value of a bend radius of the optical fiber cord, while its outer peripheral side is open over an entire length thereof in a peripheral direction thereof. In place of the outer peripheral side, one side and the other side of the bending guide portion may be open over an entire length thereof in a peripheral direction thereof.

Abstract: An optical connector has a housing in which a ferrule and a stopper are arranged on the front side and the rear side of the housing, respectively. An optical fiber ribbon extends from the ferrule through the stopper engaged with the housing and comes out from the rear end of the housing. A protection boot extends from the rear end of the housing over a predetermined length. The protection boot surrounds the optical fiber ribbon. The protection boot has a front end mounted on the stopper inside the housing.

Abstract: An optical fiber connector system includes first and second mateable connectors (12, 14) with fiber blocks (32,72) that hold optical fiber termini (50), wherein forward (F) movement of the second connector housing (70) toward the first housing (30) results in automatic latching together of the fiber blocks with the latches taking the forces of termini springs that have been partially compressed. The second fiber block (72) can slide within the second housing (70) between front and rear positions, and is held in the front position by a cam (90) that engages a free end (104) of a cam follower arm (103) of the second housing. As the connectors mate, a rigid second fiber block latch (100) deflects a resilient first housing latch end (62) and rides forward of it until faces of the blocks are close together.

Abstract: A preferred embodiment of a guide boot for a fiber-optic cable mechanically coupled to a connector comprises a mating portion having an interior surface defining a passage for receiving a portion of the connector and the fiber-optic cable, and a plurality of ribs formed on the interior surface and extending along at least a portion of a length of the mating portion. A preferred embodiment of a guide boot also comprises a body portion adjoining the mating portion and having an interior surface that defines a passage for receiving the fiber-optic cable. The interior surface of the body portion is curved so that the body portion bends the fiber-optic cable.

Abstract: A fiber optic connector module is provided for assembly at a rear face of a fiber optic connector assembly. The module includes a ferrule terminated to at least one optical fiber. A housing is spaced behind the ferrule and includes a rear end exposed at said rear face of the connector assembly. An extender member is removably attached to the housing at the rear end thereof and extends away from the rear face of the connector assembly for facilitating manipulation of the connector module.

Abstract: A multifiber optical ribbon cable 2 and a multifiber optical ribbon cable connector assembly 10 allow the cable to extend from the rear of the connector assembly at an angle of ninety (90) degrees. The multifiber optical ribbon cable connector assembly 10 includes a two piece spring push adapter 30 that holds a coil spring 20 between the spring push adapter 30 and an optical ferrule 12. The spring push adapter 30 includes a curved, closed channel 40, which completely encloses that segment 4 of the cable 2, a provides for a smooth transition as a multifiber optical ribbon cable segment 4 bends and twists through ninety degrees. This two piece spring push adapter 30 can also be assembled on the cable 2 after the optical fibers are terminated to the ferrule 12.

Abstract: A strain relief apparatus which is especially useful with a standard fiber optic connector (10) having a cylinder backshell (12) with a pair of rearwardly-projecting arms (20, 22) that hold circular clamp elements (24, 26) to clamp to a circular optical fiber cable, which facilitates clamping to a fiber optic flat ribbon cable, or flat cable (40). A flat cable adaptor (54) has a groove (82) with front, rear, and middle groove portions (84, 86, 90) each of rectangular cross-section for receiving the flat cable. A jacket (94) of compressible material of about one inch length is wrapped around the flat cable and lies in the groove middle portion. Only the jacketed part of the flat cable is firmly pressed against the bottom wall (114) of the groove to clamp the flat cable to the adaptor. In one adaptor device, two identical adaptors (52, 54) are used, which form a circular recess (62) that receives the clamp elements.

Abstract: A fixing sleeve for optical cables comprises along a common axis (A), both a first portion (11) that is substantially cylindrical and a second portion (12) that is substantially conical, said first and second portions being pierced by an axial bore (13). The sleeve (10) carries along its entire length a continuous slot communicating with said axial bore (13), the slot comprising a longitudinal first slot (110) in the first portion (11) of the sleeve, and a spiral second slot (120) in the second portion (12) of the sleeve. The sleeve is applicable to laying optical cables inside buildings.

Abstract: A strain relief apparatus which is especially useful with a standard fiber optic connector (10) having a cylinder backshell (12) with a pair of rearwardly-projecting arms (20, 22) that hold circular clamp elements (24, 26) to clamp to a circular optical fiber cable, which facilitates clamping to a fiber optic flat ribbon cable, or flat cable (40). A flat cable adaptor (50) has a groove (82) with front, rear, and middle groove portions (84, 86, 90) each of rectangular cross-section for receiving the flat cable. A jacket (94) of compressible material of about one inch length is wrapped around the flat cable and lies in the groove middle portion. Only the jacketed part of the flat cable is firmly pressed against the bottom wall (114) of the groove to clamp the flat cable to the adaptor. In one adaptor device, two identical adaptors (52, 54) are used, which form a circular recess (62) that receives the clamp elements.

Abstract: The invention relates to an optical-fiber connector that consists of a ferrule (2) with a factory-fixed optical fiber cable element (2a) that can be detachably fixed in a ferrule support (9). The optical-fiber cable element (2a) is thermally spliced to the end (6) of the optical fiber cable (14) to be connected before the ferrule (2) is fixed in the seat (18) of the ferrule support (9).

Abstract: An optical ring network, an optical connector, and a hybrid connector is provided, wherein a leading-out direction of an optical fiber can be changed without bringing about bad influence on the light transmitted with the optical fiber. An optical plug 24 as an optical connector includes a pair of ferrules 31 to be attached to the respective ends of a pair of optical fibers 25 and an optical adapter 32 having accommodating chambers 101 to accommodate the respective end portions of the optical fibers 25 with the respective ferrules 31. And, directing members 26, 27 to direct the respective optical fibers 25 led out of the optical adapter 32 are secured to the respective ferrules 31, and the ferrules 31 with the directing members 26, 27 are pivotably accommodated in the respective accommodating chambers 101.

Abstract: Provided in the present specification is an optical connector boot including: an attachment portion attached to a connector ferrule, and a cable passing portion through which a flat type optical fiber cable is passed, in which there is provided at one longitudinal end of the cable passing portion an inlet for introducing the flat type optical fiber cable into the cable passing portion, in which there is provided in the attachment portion an outlet for drawing out the flat type optical fiber cable inserted into the cable passing portion, and in which the inlet and the outlet differ from each other in orientation so that the flat type optical fiber cable inserted into the cable passing portion through the inlet may be twisted around its axis within the cable passing portion by drawing it out of the outlet. According to an optical connector of the present invention, a flat type optical fiber cable inserted into and secured in a ferrule is covered with the optical connector boot.

Abstract: A strain relief boot that attaches to and can be removed from a pre-assembled fiber optic cable and connector, as well as, related strain relief boot designs and methods of assembly are disclosed. The strain relief boot may be overmolded, formed of a unitary unit, include two components, or even a coil element. The strain relief boot may be used during original assembly or as a replacement part. A variety of strain relief boot design alternatives and fiber optic assemblies that include the strain relief boot are disclosed.

Abstract: A fiber bending apparatus for bending an optical fiber in a networking device and an optical fiber management system and method are provided. The fiber bender has an arcuate main body which is attached to the end of an optical fiber above the male connector and partially including the connector boot, bending the fiber substantially orthogonal to a direction from which the fiber is connected to a line module of the networking device, i.e., substantially parallel to the faceplate of the line module. In this way, the optical fibers are made to bend away from the chassis of the networking device, thereby preventing them from being crushed when the door of the chassis is closed. The optical fibers are also shielded from inadvertent impacts when a technician is working on the networking device. By enabling the optical fibers to be easily directed and managed, the overall fiber density of the networking device may be increased, thereby increasing its bandwidth and information processing capabilities.

Abstract: An optical module including a substrate having a groove; an optical waveguide layer formed on the substrate, the optical waveguide layer including an optical waveguide core having first and second ends, the first end being aligned with the groove, and an optical waveguide cladding covering the optical waveguide core; a ferrule having a through hole; and an optical fiber inserted and fixed in the through hole. The ferrule has a flat cut portion for semicylindrically exposing a part of the optical fiber inserted and fixed in the through hole. The ferrule is fixed at the flat cut portion to the substrate so that the part of the optical fiber exposed to the flat cut portion is inserted into the groove of the substrate until one end of the optical fiber abuts against the first end of the optical waveguide core.

Abstract: A plug connector for an optical waveguide (5), which has a sheathed, light-conducting core (1) and an outer cladding (3) which surrounds the core sheathing (2), having a plug part (6), which can be plugged together with a mating plug part (7), the plug part (6) forming a tube (8) for insertion of the core (1), which can be severed flush with the tube end (9), and the mating plug part (7) forming a shaft (10) for insertion of the tube (8), which shaft (10) at the foot side is directed toward a transmitting/receiving element (11). It is of relevance that the plug part (6) is of two-part configuration, having a retaining part (12), which includes the tube (8) and holding parts (13, 14) for the core sheathing (2) and also the outer cladding (3), and a cap part (15), which can be clipped in a watertight manner to the retaining part (12) and has a passage opening for the optical waveguide (5).

Abstract: A fiber optic terminal (10) of the present invention is for protecting a pair of optical fibers (71,72) entering an optical equipment housing (90). The fiber optic terminal includes an installment section (11), an orientation section (15), a first relief portion (12) and a second relief portion (13). The first relief portion and the second relief portion are integrally molded with the installment section and the orientation section. The fiber optic terminal further defines a first passageway (121) and a second passageway (131). In assembly, the two optical fibers are received in the fiber optic terminal through the passageways to connect with optical components in the housing, and the fiber optic terminal is tightly received in the housing.

Abstract: An optical module including a substrate having a groove; an optical waveguide layer formed on the substrate, the optical waveguide layer including an optical waveguide core having first and second ends, the first end being aligned with the groove, and an optical waveguide cladding covering the optical waveguide core; a ferrule having a through hole; and an optical fiber inserted and fixed in the through hole. The ferrule has a flat cut portion for semicylindrically exposing a part of the optical fiber inserted and fixed in the through hole. The ferrule is fixed at the flat cut portion to the substrate so that the part of the optical fiber exposed to the flat cut portion is inserted into the groove of the substrate until one end of the optical fiber abuts against the first end of the optical waveguide core.

Abstract: An adjustable strain relief boot includes a stationary portion and a moving portion slidably connected to the stationary portion. The adjustable strain relief boot is used to guide an optical fiber away from a connector of the optical fiber. In application, the stationary portion of the adjustable strain relief boot is press fitted onto to the connector. The adjustable strain relief boot provides for a predetermined, fixed angle of departure of the optical fiber away from the connector. The fixed angle of departure can be adjusted by the operator from a first position to a second position. The fixed angle of departure is adjustable between forty five and ninety degrees. In a locked position, the moving portion can not move relative to the stationary portion since actuator engagement teeth of an actuator arm of the stationary portion engage teeth of the moving portion.

Abstract: A single-piece guide boot for a fiber optic ribbon cable includes an angled section and a straight section or termination plug. The guide boot comprises an outer sleeve or body that defines an inner passageway, and has a first end for receiving the cable and a termination port. The inner passageway is dimensioned to allow a user to insert a cable through the passageway. The body with the inner passageway is used for guiding, bending, and/or twisting the cable. The body is angled at the desired angle (or radius of curvature), such as about 45 degrees or about 90 degrees. The body could have an outer diameter that decreases toward the first end. The inner passageway could be tapered to allow the cable to twist along the length of the boot without interference. The cable is inserted into the guide boot and through a cut-out window, at which time it is twisted or otherwise rotated. The cable is then re-inserted through the window and through the termination port of the termination plug.

Abstract: A bend limiter configured to interface with an elongated optical fiber to limit bending of the optical fiber. The bend limiter includes an elongated spring having a spirally extending coil that at least partially defines an inner bore. The inner bore is adapted to accommodate the optical fiber such that the spirally extending coil extends coaxially around the optical fiber. The elongated spring provides bending resistance that limits the bending of the optical fiber. In one aspect, the outer diameter of the bend limiter (formed from an elongated spring) can be constructed much smaller than current bend limiter outer diameters for optical devices.

Abstract: A fixing sleeve for optical cables. According to the invention, said sleeve (10) comprises along a common axis (A), both a first portion (11) that is substantially cylindrical and a second portion (12) that is substantially conical, said first and second portions being pierced by an axial bore (13). The sleeve (10) carries along its entire length a continuous slot communicating with said axial bore (13), the slot comprising a longitudinal first slot (110) in the first portion (11) of the sleeve, and a spiral second slot (120) in the second portion (12) of the sleeve. The sleeve is applicable to laying optical cables inside buildings.

Abstract: An optical fiber connector for a fiber optic ribbon cable includes a guide boot and a termination plug. The guide boot comprises an outer sleeve or body that defines an inner passageway, and a first end for receiving the cable and a termination port. The body has an inner passageway for guiding, bending, and/or twisting the cable and is angled at a desired angle. The inner passageway is preferably tapered or otherwise spiraled to control the location and amount of circumferential rotation (twisting) of the cable. Alternately, the cable can be inserted into and through the guide boot without any twisting, and then twisted or otherwise rotated when the guide boot is connected with the termination plug. Locking tabs are preferably provided in an end of the termination plug to engage the termination port, thereby holding the guide boot in connection with the termination plug.

Abstract: An optical fiber plug includes a body having a channel defined through the body, at least one set of recesses oppositely defined in a face of the body, and a clamping portion formed between the channel and a bottom face defining each of the at least one set of recesses. The deformation of the clamping portion is able to retain an insulating layer of an optical fiber.