Hardened Fiber Optic Connection System

• US 20100290741A1
• Filed: 07/26/2010
• Published: 11/18/2010
• Est. Priority Date: 12/11/2007
• Status: Active Grant

• Current Assignee: CommScope Technologies, LLC (CommScope Holding Company, Inc.)
• Original Assignee: ADC Telecommunications Incorporated (TE Connectivity Limited)
• Inventors: Reagan, Randy, Lu, Yu
• Granted Patent: US 7,959,361 B2
• Time in Patent Office: Days
• US Class Current: 385/60
• CPC Class Codes: G02B 6/3816 for use under water, high pressure connectors provisionally see G02B6/4428
• CPC Class Codes: G02B 6/3821 with axial spring biasing or loading means G02B6/3847 takes precedence
• CPC Class Codes: G02B 6/3825 with an intermediate part, e.g. adapter, receptacle, linking two plugs
• CPC Class Codes: G02B 6/3826 characterised by form or shape
• CPC Class Codes: G02B 6/3849 using mechanical protective elements, e.g. caps, hoods, sealing membranes G02B6/3816 takes precedence; provisionally see H01R13/44
• CPC Class Codes: G02B 6/3877 Split sleeves
• CPC Class Codes: G02B 6/3887 Anchoring optical cables to connector housings, e.g. strain relief features
• CPC Class Codes: G02B 6/3888 Protection from over-extension or over-compression
• CPC Class Codes: G02B 6/3889 using encapsulation for protection, e.g. adhesive, molding or casting resin
• CPC Class Codes: G02B 6/3893 Push-pull type, e.g. snap-in, push-on
• CPC Class Codes: G02B 6/3894 Screw-lock type
• CPC Class Codes: G02B 6/4433 Double reinforcement laying in straight line with optical transmission element

Abstract

A fiber optic connector and a fiber optic adapter are disclosed that are manually connectable and disconnectable with each other by a slideable latching means. The fiber optic connector includes an end defining a plug portion. The plug portion holds a ferrule and also directly engages a port on the fiber optic adapter. The plug portion includes a protrusion which also forms a latch catch. The port of the fiber optic adapter includes a flexible retention latch within a slot. The slot engages the protrusion and thus rotationally aligns the fiber optic connector and adapter. The flexible retention latch snaps into and out of the latch catch when the plug portion of the fiber optic connector is slid into and out of the port of the fiber optic adapter thus providing the slideable latching means. Angled retaining surfaces are provided on the retention latch and the latch catch that engage each other. Angles defining the angled retaining surfaces are chosen to provide desired holding and release characteristics. A sealing means and a threaded connection means are also provided between the fiber optic adapter and connector.

Claims

1. A fiber optic adapter comprising:

an adapter housing defining a ruggedized port co-axially aligned with a non-ruggedized port, the adapter housing defining internal threads within the ruggedized port;

a ferrule receiver defining an adapter axis that extends longitudinally through the ferrule receiver, the adapter axis also extending though the ruggedized and the non-ruggedized ports;

a first latch structure provided at the non-ruggedized port; and

a second latch structure provided at the ruggedized port, the second latch structure including at least one flexible latch member, the flexible latch member including a first connector retaining surface oriented at an oblique angle relative to the adapter axis, and wherein the oblique angle of the first connector retaining surface is oriented such that the first connector retaining surface extends radially outwardly from the adapter axis as the first connector retaining surface extends along the adapter axis in a direction of insertion of a fiber optic connector.

2. The fiber optic adapter of claim 1, wherein the flexible latch member is integrally formed with the adapter housing.

3. The fiber optic adapter of claim 1, wherein the first latch structure includes a pair of opposing latches at the non-ruggedized port, and wherein the second latch structure includes only one of the flexible latch members.

4. The fiber optic adapter of claim 1, wherein the first latch structure includes a pair of latches provided by a clip mounted within the non-ruggedized port.

5. The fiber optic adapter of claim 4, wherein the pair of latches of the first latch structure includes second connector retaining surfaces aligned at a perpendicular angle relative to the adapter axis.

6. The fiber optic adapter of claim 1, wherein the adapter housing includes a connector alignment slot and a connector alignment rail positioned at the ruggedized port, the connector alignment slot and the connector alignment rail being generally parallel to the adapter axis, the connector alignment slot being positioned at an opposite side of the adapter axis from the connector alignment rail, and the connector alignment slot being axially aligned with the flexible latch member of the second latch structure.