Interchangeable Support Panel for Load Distribution
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Solution Overview
Problem
Backpacks, particularly those used by military personnel, often lack adequate support for heavy loads, leading to discomfort and increased risk of back injuries due to the weight of body armor and backpacks being borne primarily by the shoulders and back, without effective load distribution to the hips.
Innovation Solution
A personal load-carrying system featuring a waist belt with a panel pocket and support panel that distributes the weight of both backpacks and body armor to the waist belt, allowing for independent movement and comfort, using interchangeable components and modular pack compartments to optimize load distribution.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Force
If a backpack is equipped with a frame and waist belt to support heavy loads, then load distribution to hips is improved, but the backpack frame restricts movement of the user because it is coupled to the waist belt
Solution Approach 1:
The frame is divided into two independent parts: an upper frame portion coupled to the backpack and a lower frame portion coupled to the waist belt. This segmentation allows each portion to move independently, maintaining load distribution benefits while eliminating movement restrictions. The upper frame portion supports the backpack load while the lower frame portion connects to the waist belt for hip load transfer, but they are not rigidly connected to each other.
Solution Approach 2:
The frame transitions from a rigid, fixed structure to a dynamic, movable structure. The upper and lower frame portions can move relative to each other, allowing the frame to adapt to user movement while still providing load support. This dynamic configuration maintains the force distribution benefits while enabling full range of motion.
2Reliability
If military personnel wear body armor and carry a backpack simultaneously, then protection and load-carrying capacity are improved, but the weight on shoulders and back increases leading to discomfort and back injuries
Solution Approach 1:
The support system for body armor and backpack is merged into a single integrated waist belt structure. Both the body armor and backpack can be simultaneously supported by the same waist belt system, distributing their combined weight to the hips rather than the shoulders and back. This eliminates the harmful effect of excessive weight on the upper body while maintaining both protection and load-carrying capacity.
Solution Approach 2:
The waist belt acts as an intermediary structure that transfers the combined load from both body armor and backpack to the hips. Instead of the shoulders and back bearing the full weight, the waist belt mediates the force distribution, redirecting a portion of the load to the stronger hip structure and reducing the harmful effects on the upper body.
3Adaptability or versatility
If a person requires multiple specialized backpacks for different activities, then optimization for each activity is improved, but the number of backpacks and device complexity increases
Solution Approach 1:
The backpack frame system is designed with universal, interchangeable components that can be configured for different activities. The upper and lower frame portions, along with the waist belt, can be adjusted and reconfigured to suit various load requirements and activity types. This multi-functional design allows a single backpack system to replace multiple specialized backpacks, reducing the total number of devices needed while maintaining activity-specific optimization.
Data Source
AI summary
Personal load-carrying systems are described. Embodiments include a waist belt having a pocket within which a support panel sets. An upper portion of the support panel resides in a sleeve coupled to a backpack or ballistic garment. The support panel thus supports some of the weight of the backpack or ballistic garment and transfers the load to the waist belt. Embodiments include personal load-carrying systems in which a backpack and ballistic garment use the same waist belt and support panel, and are interchangeable thereupon. Variations include personal load-carrying systems in which a ballistic garment and backpack are worn simultaneously.