Optical fiber fitting
First Claim
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1. An optical fiber fitting comprising:
- a cylindrical sleeve comprising an inner surface, said inner surface comprising thereon a first annular groove extending normal to an axial direction of said cylindrical sleeve;
a ring-shaped spring member comprising a radially outer surface received in said first annular groove, with a radially inner surface of said spring member protruding from said first annular groove; and
a rod member comprising a cylindrical portion received in said cylindrical sleeve, said cylindrical portion comprising on its outer surface at least one channel extending along said axial direction for receiving therein an optical fiber and a second annular groove extending normal to said axial direction for receiving therein said radially inner surface of said spring member, said spring member locking said rod member with said cylindrical sleeve.
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Abstract
An optical fiber fitting includes a cylindrical sleeve having a first annular groove extending normal to the axial direction on the inner surface of the cylindrical sleeve, a rod member having a plurality of channels each extending in the axial direction and receiving therein an optical fiber and a second annular groove extending normal to the axial direction, and a C-shape spring, having a radially outer surface received in the first annular groove and a radially inner surface received in the second annular groove, for locking the rod member with the cylindrical sleeve.
7 Citations
18 Claims
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1. An optical fiber fitting comprising:
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a cylindrical sleeve comprising an inner surface, said inner surface comprising thereon a first annular groove extending normal to an axial direction of said cylindrical sleeve;
a ring-shaped spring member comprising a radially outer surface received in said first annular groove, with a radially inner surface of said spring member protruding from said first annular groove; and
a rod member comprising a cylindrical portion received in said cylindrical sleeve, said cylindrical portion comprising on its outer surface at least one channel extending along said axial direction for receiving therein an optical fiber and a second annular groove extending normal to said axial direction for receiving therein said radially inner surface of said spring member, said spring member locking said rod member with said cylindrical sleeve. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17)
wherein said first annular groove is situated above said flange portion. -
10. The optical fiber fitting according to claim 1, wherein said first annular groove comprises a rectangular shape in a cross-sectional view.
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11. The optical fiber fitting according to claim 1, wherein said second annular groove is situated in a vicinity of said first cylindrical portion.
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12. The optical fiber fitting according to claim 1, wherein said ring-shaped spring member comprises a cutout portion.
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13. The optical fiber fitting according to claim 1, wherein said first annular groove comprises a first diameter, and
wherein said ring-shaped spring member comprises an outer diameter smaller than said first diameter absent an external force. -
14. The optical fiber fitting according to claim 1, wherein said first annular groove comprises a bottom surface with a first diameter, and
wherein said ring-shaped spring member comprises an outer diameter substantially equal to said first diameter upon application of an external force. -
15. The optical fiber fitting according to claim 1, wherein said ring-shaped spring member comprises a central opening for passing optical fibers and said rod member.
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16. The optical fiber according to claim 1, wherein said first cylindrical portion comprises a front end portion, and wherein optical fibers extend beyond said front end portion to reach an optical device.
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17. The optical fiber fitting according to claim 2, wherein said coupling poriton comprises a diameter smaller than one of a diameter of said first cylindrical portion and a diameter of said second cylindrical portion.
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18. An optical fiber fitting, comprising:
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a cylindrical sleeve comprising an inner surface, said inner surface comprising therein a first annular groove;
a ring-shaped spring member comprising an outer surface received in said first annular groove, and an inner surface protruding from said first annular groove; and
a rod member comprising a cylindrical portion received in said cylindrical sleeve, wherein said cylindrical portion comprising thereon a channel extending along an axial direction for receiving therein at least one optical fiber and a second annular groove for receiving therein said inner surface of said spring member, said spring member locking said rod member with said cylindrical sleeve.
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Specification