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| Fiber optic connector assembly |
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| Connector for optical fibers and the like |
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Optical fiber connectors
| Details |
Inventors: Obeissart, Albert;
Assignee: Souriau & Cie (SA) (Boulogne, FR)
Primary Examiner: Sikes; William L.
Assistant Examiner: Ullah; Akm E.
Attorney, Agent or Firm: McAulay, Fields, Fisher, Goldstein & Nissen
A connector for two optical fibers having at least one body composed of a one-piece member with an axial bore, a ferrule supporting an optical fiber in the bore, the axial bore being defined by two coaxial cylindrical surfaces of revolution having different diameters, two ferrules supporting in an internal bore the two fibers, the two ferrules each being defined by an external cylindrical surface of revolution complementary to that of the one-piece member having the smaller diameter, at least one first sleeve mounted around the first of the ferrules; first elastic linking means between the sleeve and the first ferrule, the sleeve being defined externally by a cylindrical surface of revolution complementary to that of the body member having the larger diameter, these two ferrules being introduced into the body member such that, firstly, they are positioned at least partially in the axial bore of the smaller diameter and, secondly, such that the sleeve is placed in the axial bore of larger diameter. Also disclosed is an optical fiber cable comprising at least one of the disclosed connector and a method for allowing the connection of at least one optical fiber surrounded by a relatively flexible sheath to a ferrule and apparatus for carrying out the method. |
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DETAILED DESCRIPTION What is claimed is: 1.
Connector for two optical fibers comprising at least one body composed of a one-piece member in which is provided an axial bore, and a ferrule supporting an optical fiber in said bore, wherein said one-piece member has its axial bore defined by two coaxial cylindrical surfaces of revolution having different diameters, two (first and second) ferrules supporting in an internal bore the said two fibers respectively, these two ferrules each being delimited respectively by an external cylindrical surface of revolution complementary to that of the one-piece member having the smaller diameter, at least one first sleeve mounted around a first of said ferrules with a certain clearance, first elastic linking means between said sleeve and said first ferrule, said sleeve being delimited externally by a cylindrical surface of revolution complementary to that of said body member having the larger diameter, these two ferrules being introduced into said body member such that, firstly, they are positioned at least partially in said axial bore of smaller diameter and, secondly, such that the sleeve is placed in said axial bore of larger diameter.
2.
The connector claim 1 wherein said two ferrules and said two sleeves are identical.
3.
The connector of claim 1 further comprising means for locking at least one of said sleeves in place.
4.
The connector of claim 1 wherein said body and said sleeves are made of materials having identical or similar expansion coefficients.
5.
The connector of claim 1 wherein said body comprises a second axial bore delimited by at least a third cylindrical surface of revolution and a third ferrule delimited by an external cylindrical surface of revolution of the same diameter as said first and second ferrules, the diameter of said third surface being greater than that of said third ferrule, said third ferrule being slidable in said second bore.
6.
Connector of claim 5 wherein said third ferrule is linked with said body by elastic means
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