Fibre-optic connector

Optical waveguides – With disengagable mechanical connector – Structure surrounding optical fiber-to-fiber connection

Reexamination Certificate

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Details

C385S070000, C385S071000, C385S072000

Reexamination Certificate

active

06264371

ABSTRACT:

The invention relates to a fibre-optic connector comprising a socket and a plug which are intended to be mated in order to join two optical cables.
Patent Application EP 0,753,772 describes a connector of this type, in which the cable is put into an approximately 90° curve.
It has been observed that the optical contacts produced by this type of connector may deteriorate when the latter are used in environments subject to condensation.
The object of the invention is to alleviate the drawbacks of the prior art by means of a compact, sealed connector having a rapid locking system and being suitable for cables of different diameters.
To achieve this objective, the connector according to the invention includes at least two sealing members, one of them being an interfacial sealing member carried by the socket, and put under compression when the plug and the socket are being mated, and the other one being carried by the optical contacts in the plug.
Preferably, the said sealing members consist of two types of seal, one carried by the socket and the other by the optical contacts in the plug.
According to another characteristic of the connector according to the invention, a single catch for fastening the plug onto the socket is provided. This catch is preferably located towards the rear of the socket. The use of a single catch makes it possible for the locking of the connector to be considerably simplified while ensuring uniform compression of the interfacial sealing member.


REFERENCES:
patent: 4190316 (1980-02-01), Malsby et al.
patent: 4687291 (1987-08-01), Stape et al.
patent: 4896939 (1990-01-01), O'Brien
patent: 19525739 (1996-10-01), None
patent: 0753772A2 (1997-01-01), None

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