Fiber Optic Transceiver Bail Release Mechanism
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Solution Overview
Problem
The increasing complexity of aligning fiber optic connectors in high-density optical arrays makes it difficult to securely and easily connect and disconnect fiber optic transceiver modules, particularly in applications where data transmission reliability and ease of manufacturing are critical.
Innovation Solution
A release mechanism for a fiber optic transceiver module featuring a rotatable bail with a U-shaped flange and arm assembly, including wedge elements and a locking configuration with bosses and dimples, which allows for a two-stage rotation to secure and release the module from a cage on a printed circuit board, ensuring that the module cannot be removed unless any installed LC plugs are first removed.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Speed
If fiber optic connectors are used in high-density optical arrays, then data transfer rate is improved, but alignment complexity and connection difficulty increase
Solution Approach 1:
The connector system is divided into separate components: a transceiver module that can be independently installed and removed from the cage, and LC plugs that connect to the transceiver module. This segmentation allows each component to be optimized separately, reducing overall alignment complexity while maintaining high data transfer rates.
Solution Approach 2:
The transceiver module is pre-assembled with alignment features and mounting structures before installation into the cage. The LC plugs are pre-aligned with the fiber optic arrays during module assembly, so that when the module is installed, the alignment is already established, reducing on-site alignment complexity.
2Reliability
If a secure locking mechanism is implemented for the transceiver module, then reliability is improved, but ease of removal is worsened
Solution Approach 1:
The locking mechanism uses a rotatable bail that transitions between locked and unlocked positions through rotational motion. The bail rotates approximately 45 degrees to engage or disengage the locking tabs, providing a dynamic, easy-to-operate mechanism that maintains secure connection when locked but allows quick removal when unlocked.
Solution Approach 2:
The bail incorporates a U-shaped flange with curved geometry that wraps around the arm assembly, providing smooth rotational movement and ergonomic handling. The curved shape of the bail handle facilitates easy grasping and rotation by the user, improving ease of operation while maintaining reliable locking.
3Stability of the object's composition
If locking tabs are used to secure the transceiver module in the cage, then stability is improved, but manufacturing complexity increases
Solution Approach 1:
The locking tabs are integrated directly into the cage structure as continuous features formed from the cage material, rather than being separate components that require assembly. The tabs are molded or machined as part of the cage body, reducing the number of parts and simplifying manufacturing while providing stable securing of the transceiver module.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
This mechanism enhances the reliability and ease of manufacturing of fiber optic connectors by ensuring secure engagement and safe disengagement of the transceiver module, preventing inadvertent data transmission interruptions and simplifying the manufacturing process.
Implementation Method 1
rotating the bail through an initial arc to release the bail from a locked position
Implementation Method 2
The arm assembly may include wedge elements at distal ends thereof, and the wedge elements may include an angled or arced surface
Data Source
AI summary
A fiber optic connector release mechanism for releasing a transceiver module in a cage permanently mounted on a PCB is disclosed. The release mechanism includes a bail rotating a U-shaped flange through a two stage travel path to urge the bail forward in a slide path on the transceiver module. The release mechanism includes a boss disposed on one of the bail and the arm assembly and a dimple disposed on another of the bail and the arm assembly to secure the bail in a locked position. As the bail moves forward from the locked position, wedge elements at the end of arms extending rearward may contact locking tabs on the cage, forcing the locking tabs outward. As the locking tabs are forced outward, the shoulders of the transceiver module are released, and the transceiver module is free to slide out of the cage.