Adjustable Backpack Ventilation Spacer Mechanism
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Solution Overview
Problem
Conventional backpacks for active individuals are uncomfortable due to sweat and heat as they often have ventilation systems with spacers that constantly contact the wearer, causing discomfort and weight issues.
Innovation Solution
The design incorporates adjustable spacers with a base and a rotating contact member that can be latched at different angles, allowing for minimal contact and adjustable ventilation between the wearer and the backpack, enabling customizable airflow based on user preference.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Temperature
If spacers are constantly in contact with the wearer's back to provide ventilation, then airflow and dryness are improved, but wearer comfort deteriorates due to contact discomfort and weight
Solution Approach 1:
The spacer is designed with a flexible body that can dynamically change its contact state with the wearer's back. When the wearer moves or the backpack shifts, the flexible spacer naturally adjusts its position, reducing constant contact pressure while maintaining the ventilation space structure. This dynamic adaptation resolves the contradiction by allowing ventilation function while minimizing contact discomfort.
Solution Approach 2:
The spacer employs a flexible body made of elastic material that can deform and adapt to the wearer's back contour. This flexibility allows the spacer to maintain its space-creating function while reducing rigid contact points, thereby providing ventilation without the discomfort associated with hard, constant contact structures.
2Object-affected harmful factors
If adjustable spacing mechanism is implemented to reduce contact, then wearer comfort is improved, but device complexity increases
Solution Approach 1:
The flexible spacer utilizes the natural movement and pressure distribution from the wearer's back and backpack interaction to automatically adjust its contact state. The elastic material self-regulates the compression and expansion of the spacer based on external forces, eliminating the need for complex mechanical adjustment mechanisms while still achieving reduced contact discomfort.
Solution Approach 2:
The spacer's physical parameters (shape, volume, contact area) change dynamically in response to external forces without requiring active control mechanisms. The elastic material's inherent properties allow it to deform and adapt its contact characteristics based on the wearer's movements and backpack position, achieving adjustability through material properties rather than mechanical complexity.
Data Source
AI summary
Backpacks with adjustably spaced ventilation systems are disclosed and, more specifically, backpacks whose ventilation systems make minimal contact with the wearer and may be easily disengaged when not desired.