# US 2010/0166372 A1 · Expanded beam, single fiber, fiber optic connector

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- Number: US 2010/0166372 A1
- Document ID: US20100166372A1
- Status: Published application
- Kind: A1
- Application number: 12/660,857
- Filed: 2010-03-05
- Published: 2010-07-01
- Earliest claimed: 2006-08-23
- Assignees: Stratos International, Inc.
- Inventors: Richard C.E. Durrant; Mark Waldron
- Web page: https://patentgrep.com/patent/US20100166372A1

## CPC

- G02B 6/381: {of the ferrule type, e.g. fibre ends embedded in ferrules, connecting a pair of fibres}
- G02B 6/32: having lens focusing means {positioned between opposed fibre ends (with lens being an integral part of the single fibre end G02B6/262)}
- G02B 6/3853: {Lens inside the ferrule (lensed connectors G02B6/32)}
- G02B 6/3825: {with an intermediate part, e.g. adapter, receptacle, linking two plugs}
- G02B 6/3891: {Bayonet type}
- G02B: OPTICAL ELEMENTS, SYSTEMS OR APPARATUS

## Abstract

The device includes a body, a lens holder, a lens, a ferrule, a ferrule holder, an optical cable holder, a snap ring, and a spring. The lens holder retains the lens, and the lens holder accommodates the ferrule. The ferrule holder is mounted to the body. The spring is mounted between a spring seat of the ferrule holder and a spring seat of the optical cable holder. The snap ring is mounted to the optical cable holder so as to retain the optical cable holder to the body.

## Claims

### Claim 1

A device comprising:
a body;
a lens holder having an outside diameter, a first aperture, a second aperture, and a third aperture, the first aperture has an inside diameter, the second aperture has an inside diameter, the third aperture has an inside diameter, the first aperture is substantially co-linear with the second aperture, and the second aperture is substantially co-linear with the third aperture, the inside diameter of the first aperture is greater than the inside diameter of the second aperture, the inside diameter of the first aperture is greater than the inside diameter of the third aperture, and the inside diameter of the third aperture is greater than the inside diameter of the second aperture;
a lens mounted within the lens holder, the lens is a spherical ball lens, the lens has an outside diameter, and wherein the inside diameter of the first aperture of the lens holder is greater than the outside diameter of the lens;
a ferrule mountable within the lens holder, the ferrule having an outside diameter, and wherein the inside diameter of the second aperture of the lens holder is greater than the outside diameter of the ferrule;
a ferrule holder moveably mounted to the body, and the ferrule holder mountable to the lens holder and to the ferrule, the ferrule holder having an outside diameter and an inside diameter, the ferrule holder having a spring seat, and wherein the inside diameter of the third aperture of the lens holder is greater than the outside diameter of the ferrule holder, and wherein the inside diameter of the ferrule holder is greater that the outside diameter of the ferrule;
an optical cable holder having a spring seat;
a snap ring mounted to the optical holder so as to retain the optical holder to the body; and
a spring mounted between the spring seat of the ferrule holder and the spring seat of the optical cable holder, the spring is a compression spring.