Adjustable Aircraft Cargo Restraint Assemblies
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Solution Overview
Problem
Conventional aircraft cargo management systems require significant modifications and labor to accommodate different pallet sizes, as they are typically designed for specific pallet dimensions, limiting flexibility and efficiency in handling varying cargo widths.
Innovation Solution
The system incorporates adjustable guide assemblies and restraint assemblies with slidable portions and a locking system, allowing for quick adaptation to accommodate pallets of different widths by engaging with a rail and channel structure, using torque kits to secure the slidable portions in place, enabling easy switching between pallet sizes.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If conventional cargo systems are designed for specific pallet dimensions, then the system provides stable and reliable restraint for that particular pallet size, but the system requires significant modifications and labor to accommodate different pallet sizes
Solution Approach 1:
The restraint system is divided into modular components: fixed fittings attached to the aircraft floor and slidable rails that can be independently adjusted. This segmentation allows the slidable portions to be repositioned for different pallet widths without modifying the entire system or the fixed fittings, thereby reducing the complexity of adaptations.
Solution Approach 2:
The system transitions from a static, fixed configuration to a dynamic, adjustable configuration. The slidable rails can move along the fixed fittings and be locked at different positions, enabling the restraint system to adapt to various pallet sizes. This dynamic capability eliminates the need for significant modifications when changing pallet dimensions.
2Adaptability or versatility
If conventional cargo systems use fixed restraint positions, then the structure remains simple and robust, but the system lacks flexibility in handling varying cargo widths
Solution Approach 1:
The restraint system incorporates slidable rails that can be easily repositioned along the fixed fittings and locked at different positions. This dynamic adjustment mechanism provides flexibility for varying cargo widths while maintaining operational efficiency through a straightforward slide-and-lock operation, eliminating the need for complex reconfiguration procedures.
Solution Approach 2:
The system allows changes in the positional parameter of the rails along the fittings. By adjusting the position of the slidable rails, the system can accommodate different pallet widths without changing the fundamental structure or requiring complex operational procedures, thus maintaining ease of operation while improving adaptability.
3Productivity
If the restraint system uses adjustable slidable portions, then the system can quickly adapt to different pallet sizes, but the structure becomes more complex with additional locking mechanisms
Solution Approach 1:
The locking system is segmented into simple, discrete locking mechanisms positioned at intervals along the fittings. Each locking mechanism independently secures the slidable rail at a specific position, allowing for rapid adaptation without requiring a complex, integrated locking system. The modular nature of the locking mechanisms reduces overall system complexity while maintaining productivity.
Solution Approach 2:
The slidable rails are designed to be self-aligning with the fittings, reducing the need for complex alignment procedures. The locking mechanisms automatically engage with the rail positions, providing a self-service locking function that simplifies the overall system complexity while enabling rapid adaptation to different pallet sizes.
Data Source
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AI summary
Systems and methods are disclosed herein for restraint assemblies. A restraint assembly is provided comprising a restraining stop comprising a first channel, a first fitting comprising a first retaining rail, wherein the first retaining rail is configured to slide within the first channel, and a roller disposed in the first fitting.