Optical fiber inner tube connector

Optical waveguides – With disengagable mechanical connector

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Details

385 78, 385 87, G02B 636

Patent

active

058321586

ABSTRACT:
An optic fiber inner tube connector includes an elongated body having a central bore extending along a central axis and two threaded sections on the outside surface for engaging inner-threaded end caps. Each end cap has a circumferential, inward flange having an inside diameter sufficient to allow the inner tube segment to extend therethrough. An axially movable retainer ring is provided between the flange of the end cap and the axial end of the body and having a circumferential channel spaced from the end of the body for holding therebetween a sealing ring which is deformable to sealingly engage the inner tube segment when the retainer ring is moved toward the body. A gripping ring is provided between the flange of the end cap and the retainer ring, having an outside surface in wedging engagement with both the end cap and the retainer ring and an inside surface having fine sharp teeth formed thereon for piercing into and catching the inner tube segment when the gripping ring is deformed inward due to the wedging force caused by the axial movement of the end cap. A resilient centering and sealing ring is provided inside the central bore and associated with each of the inner tube segments, having an inclined face which radially centers the inner tube segment in the body and hermetically seals the end of the inner tube segment when the end of the inner tube segment is forced into contact with the centering and sealing ring.

REFERENCES:
patent: 4737009 (1988-04-01), Kakii et al.
patent: 5644673 (1997-07-01), Patterson

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