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Optical fiber connector having enhanced assembly means

A technology for optical fiber connectors and optical cables, which is applied in the directions of instruments, optics, light guides, etc., can solve problems such as disintegration of connector components, and achieve the effect of reducing lateral offset loss and avoiding relative rotational motion.

Inactive Publication Date: 2003-10-22
THE WHITAKER CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Grinding and conditioning operations may cause disassembly of connector parts

Method used

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  • Optical fiber connector having enhanced assembly means
  • Optical fiber connector having enhanced assembly means
  • Optical fiber connector having enhanced assembly means

Examples

Experimental program
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Effect test

Embodiment Construction

[0060]Referring to Figures 1-6, the optical fiber connector 10 has a sleeve assembly 11, one end of which is connected to an optical cable with a tubular snap ring 12 and an optical cable cap 13, and the other end is connected to a receiving element. Assembly 11 includes a sleeve 15 having an alignment portion 16 adjacent a base portion 17, the alignment portion 16 and base portion 17 being connected axially end-to-end. A longitudinal hole 18 extends axially through the collimation portion 16 and the base 17, and the optical fiber is placed in the axial hole 18. At the approximate junction of the collimating portion 16 and the base portion 17 there is an enlarged portion at which is formed a set of spaced apart tabs 19 formed circumferentially around the sleeve 15 and generally perpendicular to the axial direction stretch outward. Preferably, a helical compression spring 20 with a central hole 21 is provided, and the base 17 is placed in the central hole 21 of the compression...

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PUM

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Abstract

An optical fiber connector assembly for receiving an optical fiber and reducing transverse offset loss has a ferrule (15) having a plurality of tabs (19) disposed circumferentially thereabout. The ferrule (15) and a compression spring (20) are retainably received in a cable attachment body (25) in one of a plurality of possible rotational orientations to form an assembly (11). Apertures (44) and longitudinal cutouts (42) in the plug body (40) receive retention lugs (35) on the cable attachment body (25). In an FC connector, a plurality of latch beams (67) on the plug body (40) retainably engage an internal retention diameter (71) in an FC coupling nut. The ferrule assembly (11) together with the plug body (40) are assembled to the FC coupling nut (60) using axial motions.

Description

technical field [0001] The present invention relates to a fiber optic connector and, more particularly, to a fiber optic connector featuring improved fitting. Background technique [0002] The routing of fibers within a system often results in transmission losses due to crossover and eccentricity of the fiber cores. This may be due to the fiber core not being in the center of the fiber, irregularity in the shape of the fiber core, or non-coaxiality of the fiber within the fiber optic connector. Another cause of transmission loss is non-coaxiality and lateral offset when connecting fibers. "Fiber optic connector embedded loss improvement method" IECTC86 / SC86B / WG4 / IWANO-1 (1993) article discusses this problem. In order to solve this problem, the direct measurement method and the standard adjustment correction method can be considered. The direct measurement method uses expensive and time-consuming precision instruments, and the standard adjustment connector method is recomm...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G02B6/36G02B6/38
CPCG02B6/3887G02B6/3843G02B6/3869G02B6/3893G02B6/3894G02B6/3888
Inventor R·M·曼宁T·R·福西特R·C·布里格斯
Owner THE WHITAKER CORP