Ramped Deflection Guard for Aircraft Cargo Anchor Clips

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Solution Overview

Problem

Cargo nets in vehicles often cause damage to anchor clip assemblies when cargo shifts and impacts them, as existing solutions do not adequately protect these components from such collisions.

Innovation Solution

The introduction of cargo net anchor guards featuring a base with a contoured deflection member, including a ramped surface that deflects moving cargo away from the anchor clip assemblies, preventing damage by redirecting cargo into the net rather than allowing it to collide with the anchor components.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If anchor clip assemblies are fixed to the vehicle structure to secure cargo nets, then cargo can be restrained from excessive movement, but cargo can shift and impact the anchor clip assembly causing damage

Engineering Contradiction:
Improveanchor clip assembly durabilityVSAvoidcargo impact damage
Core Design Contradiction:
ReliabilityVSObject-affected harmful factors

Solution Approach 1:

A deflection member is introduced as an intermediary component between the cargo and the anchor clip assembly. This deflection member redirects moving cargo away from the anchor clip, preventing direct impact while allowing the anchor clip to maintain its securing function. The deflection member acts as a protective mediator that transforms the harmful impact into a redirecting force.

Inventive Principle:
Principle #24Intermediary (Mediator)

Solution Approach 2:

The deflection member is positioned in advance of the anchor clip assembly to intercept cargo before it can impact the vulnerable components. By placing the deflection member protruding from the base near the anchor clip, the system prepares a protective barrier that cushions against potential cargo shifts before they reach the anchor clip assembly.

Inventive Principle:
Principle #11Beforehand cushioning (Prior cushioning)

2Strength

If the anchor clip assembly is made more robust to resist cargo impact, then damage resistance improves, but the complexity and size of the assembly increases

Engineering Contradiction:
Improveimpact resistanceVSAvoidassembly structure complexity
Core Design Contradiction:
StrengthVSDevice complexity

Solution Approach 1:

The protective function is segmented from the anchor clip assembly by introducing a separate deflection member. Instead of making the entire anchor clip assembly more robust and complex, the protection function is isolated to a specific deflection member component that can be added without redesigning the core anchor clip structure.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The deflection member serves as an intermediary protective element that handles the impact resistance function, allowing the anchor clip assembly to remain relatively simple while still achieving robust impact resistance through the added deflection component.

Inventive Principle:
Principle #24Intermediary (Mediator)

3Reliability

If a protective structure is added around the anchor clip assembly, then damage prevention improves, but the device complexity and installation difficulty increases

Engineering Contradiction:
Improveanchor clip protectionVSAvoidinstallation ease
Core Design Contradiction:
ReliabilityVSEase of operation

Solution Approach 1:

The protection system is segmented into a modular deflection member that can be independently installed on the base near the anchor clip. This segmentation allows for easier installation compared to redesigning the entire anchor clip assembly, as the deflection member can be added as a separate component.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The deflection member is designed as a discrete intermediary component that attaches to the existing base structure, leveraging the existing mounting infrastructure rather than requiring complete redesign of the anchor system, thereby maintaining ease of installation.

Inventive Principle:
Principle #24Intermediary (Mediator)

Data Source

PatentUS11267389B2Cargo net anchor guard
Publication Date: 2022.03.08 BOYER JR WILLIAM J
  • US11267389B2 patent drawing
  • US11267389B2 patent drawing
  • US11267389B2 patent drawing

AI summary

A cargo net anchor guard mountable to an aircraft's cargo hold wall adjacent to an anchor clip assemblies. The cargo net anchor guard is configured to block cargo from impacting at least the anchor clip assembly. The cargo net anchor guard has a ramped deflection surface that can deflect moving cargo inwardly away from the wall and into the cargo net substantially without impacting the anchor clip assembly.