Belden has filed a patent for a multi-fiber push on (MPO) connector that can be assembled in the field after being pushed through a duct. The connector includes a ferrule portion to terminate fibers of a multi-fiber cable and a sub-assembly portion with an adapter portion, a retaining portion, and a biasing portion. The biasing portion applies balanced biasing forces to the adapter portion to urge the ferrule portion forward, simplifying field assembly of the MPO connector. GlobalData’s report on Belden gives a 360-degree view of the company including its patenting strategy. Buy the report here.
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According to GlobalData’s company profile on Belden, IoT network security was a key innovation area identified from patents. Belden's grant share as of September 2023 was 60%. Grant share is based on the ratio of number of grants to total number of patents.
The patent filed is for a field-assembled mpo connector
A recently filed patent (Publication Number: US20230314727A1) describes a multi-fiber push-on (MPO) connector that can be assembled in the field after being pushed through a duct. The connector includes a ferrule portion that terminates the fibers of a multi-fiber cable. It also includes a sub-assembly portion with an adapter portion, a retaining portion, and a biasing member. The biasing member consists of two separate biasing members, one on each side of the fibers, to provide balanced biasing forces. The adapter portion and the ferrule portion work together to define the MPO connector ferrule. The ferrule portion is designed with a smaller cross-sectional profile than the MPO connector, allowing it to be pushed through a duct with a smaller inside diameter. The ferrule portion also includes multiple receiving ferrule portions on different lateral sides. The adapter portion includes a receiving adapter portion that opposes the receiving ferrule portion, creating a receiving structure for alignment. The biasing member is coupled with the alignment portions and the receiving ferrule portion in the retaining portion, connecting the adapter portion with the retaining portion and applying a biasing force to urge the ferrule portion forward.
The patent also describes additional features of the connector. It can include a compression spring as the biasing member and a retaining portion with two body portions connected by a hinge portion, which can be a living hinge. The retaining portion can be a single monolithic structure. The connector may also have a housing portion and a shell portion, with the shell portion housing a biasing portion that bears against the housing and shell to urge the shell in the forward direction. This design allows the connector to be disconnected from a mating adapter by pushing the shell portion in the rearward direction, transferring the force to the housing rather than the cable. The receiving structures of the ferrule portion and the adapter portion are designed to receive alignment members from a mating MPO connector.
Overall, this patent describes a field-assembled MPO connector that simplifies the assembly process by allowing the ferrule portion to be pushed through a duct before being coupled with the sub-assembly portion. The connector includes various features to ensure balanced biasing forces, easy disconnection, and alignment with a mating connector.
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GlobalData Patent Analytics tracks bibliographic data, legal events data, point in time patent ownerships, and backward and forward citations from global patenting offices. Textual analysis and official patent classifications are used to group patents into key thematic areas and link them to specific companies across the world’s largest industries.
