EP0147231A2
Expired / Lapsed
EP
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Terminal device for optical fibers
Assignee: EIDP Inc
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Filing: 1984-12-27
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Granted: —
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Expires: 2004-12-27
Abstract
Abstract A terminal device for optical fibers is provided. The terminal device includes a connecting member for fixedly securing the covering of an optical fiber to a frame and having a hole through which the strand of the optical fiber can pass idly. The terminal device includes a positioning member for positioning in a predetermined positional relationship a plurality of ferrules disposed at the end portions of a plurality of optical fibers. The terminal device includes a guide member for guiding an optical fiber within the device in such a manner as to permit its movement only in its axial direction.
Inventors
- 👤 Toshiyasu Tanaka
- 👤 Sadakazu Ariga
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-10-23 14:37
CPC Classifications
G; G02; G02B; G02B6/00; G02B6/24; G02B6/36; G02B6/38; G02B6/3807; G02B6/3869; G02B6/387; G02B6/3873; G02B6/3874; G02B6/3878; G02B6/381; G02B6/3818; G02B6/3821; G02B6/3833; G02B6/3855; G02B6/3887; G02B6/3888
Claims Analysis
Total Claims: 24
Claim 1
Independent Claim
57 words
A terminal device for an optical fiber comprising a ferrule disposed at the end portion of the optical fiber, a frame supporting the ferrule, and a connecting member for fixedly securing the covering of the optical fiber to the frame, said connecting member having a hole through which the strand of the optical fiber can pass idly.
Claim 2
Dependent Claim
57 words
A terminal device for an optical fiber comprising a ferrule disposed at the end portion of the optical fiber, a frame supporting the ferrule, and a connecting member for fixedly securing the covering of the optical fiber to the frame, said connecting member having a hole through which the strand of the optical fiber can pass idly.
Claim 3
Dependent Claim
22 words
The device of claim 1 wherein the forward end portion of the strand of the optical fiber is fixed to the ferrule.
Claim 4
Dependent Claim
25 words
The device of claim 2 wherein the forward end portion of the strand of the optical fiber is fixed to the ferrule by an adhesive.
Claim 5
Dependent Claim
32 words
The device of claim 2-wherein the forward end portion of the strand of the optical fiber is fixed by a collar received around the main body of the ferrule in tight fit.
Claim 6
Independent Claim
19 words
The device of any one of claims 1 to 4 wherein the ferrule is fixedly supported by the frame.
Claim 7
Independent Claim
19 words
The device of any one of claims 1 to 4 wherein the ferrule is movably supported by the frame.
Claim 8
Dependent Claim
14 words
The device of claim 6 wherein the ferrule is elastically supported by the frame.
Claim 9
Independent Claim
35 words
The device of any one of claims 1 to 7 wherein the covering of the optical fiber is fixedly connected to the ferrule by the connecting member, and the ferrule is fixed to the frame.
Claim 10
Independent Claim
27 words
The device of any one of claims 1 to 7 wherein the covering of the optical fiber is directly fixed to the frame by the connecting member.
Claim 11
Independent Claim
55 words
The device of any one of claims 1 to 9 wherein the optical fiber comprises a strand, an interior sheath portion and an exterior sheath portion; the exterior sheath portion is fixed to the frame by the connecting member; and the strand and the interior sheath portion extend through the hole of the connecting member.
Claim 12
Independent Claim
18 words
The device of any one of claims 1 to 10 which is a connector plug for optical fibers.
Claim 13
Dependent Claim
18 words
Te device of any one of claims 1 to 10 which is a connector receptacle for optical fibers.
Claim 14
Dependent Claim
49 words
A terminal device for a plurality of optical fibers, comprising a plurality of ferrules disposed at the end portions of a plurality of optical fibers, a positioning member for positioning the ferrules in a predetermined positional relationship, and a fixing member for fixing the ferrules to the positioning member.
Claim 15
Dependent Claim
49 words
A terminal device for a plurality of optical fibers, comprising a plurality of ferrules disposed at the end portions of a plurality of optical fibers, a positioning member for positioning the ferrules in a predetermined positional relationship, and a fixing member for fixing the ferrules to the positioning member.
Claim 16
Dependent Claim
46 words
The device of claim 13 wherein the forward end portions of the strands of the optical fibers are fixed respectively to the forward end sides of the ferrules, and the coverings of the optical fibers are connected respectively to the base end sides of the ferrules.
Claim 17
Dependent Claim
47 words
The device of claim 13 or 14 wherein the positioning member has a plurality of holes having inside diameters nearly equal to the outside diameters of the ferrules, and the ferrules are respectively fitted in the holes whereby the ferrules are positioned in the predetermined positional relationship.
Claim 18
Independent Claim
53 words
The device of any one of claims 13 to 15 wherein the fixing member includes a first collar engaged with a flange provided in the base end side of each of the ferrules and a second collar engaged tightly with each of the ferrules to press the positioning member against the first collar.
Claim 19
Dependent Claim
22 words
The device of claim 16 wherein the fixing member has an elastic member disposed between the positioning member and the second collar.
Claim 20
Dependent Claim
71 words
A terminal device for an optical fiber, compris - ing a ferrule fixed to the end portion of the strand of an optical fiber, a frame supporting the ferrule, and a guide member for guiding that portion of the optical fiber which extends from the inside end of the ferrule to the exit portion of the frame such that said portion of the optical fiber can move only substantially axially thereof.
Claim 21
Dependent Claim
71 words
A terminal device for an optical fiber, compris - ing a ferrule fixed to the end portion of the strand of an optical fiber, a frame supporting the ferrule, and a guide member for guiding that portion of the optical fiber which extends from the inside end of the ferrule to the exit portion of the frame such that said portion of the optical fiber can move only substantially axially thereof.
Claim 22
Dependent Claim
13 words
The device of claim 18 wherein the ferrule is fixed to the frame.
Claim 23
Dependent Claim
16 words
The device of claim 18 wherein the ferrule is movably and elastically supported by the frame.
Claim 24
Independent Claim
59 words
The device of any one of claims 18 to 20 wherein the optical fiber has a strand, an interior sheath portion and an exterior sheath portion; the strand and the interior sheath portion are fixed to the ferrule and the exterior portion is fixed to the frame; and the guide member guides the strand and the interior sheath portion.
References Cited (Backward Citations)
No citation records indexed.
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