Backpack Hip Belt Stabilization via Three-Point Connection
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Backpacks from prior art often rest on the wearer's back and swing back and forth, causing discomfort and fatigue due to uneven distribution of weight and lack of stabilization.
Innovation Solution
A backpack design featuring two shoulder straps and two fins on a hip belt with a three-point connection system, including separate belt tensioners and position adjustment straps, providing additional stabilization and a continuous support surface with padding for improved comfort and ventilation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Stability of the object's composition
If the backpack is connected to the wearer only at the shoulders, then the structure is simple, but the backpack swings back and forth causing instability
Solution Approach 1:
The connection structure is segmented into multiple independent connection points: shoulder strap connections at the upper part, hip belt connections at the lower part, and additional stabilizing connections at intermediate levels. This segmentation distributes the stabilization function across multiple discrete connection points rather than relying on a single complex mechanism.
Solution Approach 2:
The hip belt and stabilizing straps are merged into an integrated connection system that combines weight-bearing function with stabilization function. The hip belt connections work together with the shoulder strap connections to create a unified stabilizing framework that prevents side-to-side swinging.
2Ease of operation
If the backpack rests flat on the back, then the structure is simple, but it causes discomfort and fatigue
Solution Approach 1:
Padding is applied selectively at specific contact points including the shoulder straps, hip belt, and back panel areas where the backpack contacts the wearer. This localized padding provides comfort exactly where needed without requiring the entire backpack structure to be padded, maintaining simplicity while improving comfort.
Solution Approach 2:
Padding and cushioning elements are pre-installed at all contact points between the backpack and the wearer's body. This beforehand cushioning prevents discomfort and fatigue by absorbing pressure and friction before they can affect the wearer during use.
3Stability of the object's composition
If the backpack is securely fastened to prevent movement, then stability is improved, but ventilation is reduced
Solution Approach 1:
The fastening system is segmented into discrete adjustable straps and buckles at different locations (shoulder straps, hip belt, and intermediate stabilizing straps). This segmentation allows each strap to be independently adjusted to provide just enough tension for stability while maintaining gaps for ventilation.
Solution Approach 2:
The fastening system incorporates adjustable and flexible elements that can adapt to the wearer's movements and body shape. This dynamic adjustment capability allows the backpack to remain stable during activity while automatically creating ventilation spaces as the wearer moves and breathes.
Data Source
Figure 1
Figure 2
Figure 3
AI summary
The backpack (1) has a lap belt whose fins (7) are connected with a closure of the lap belt over lock belts (14, 15). The lock belts comprise a belt tensioner (13) that faces the fins and is connected with the backpack over a position adjustable belt (4). A travel direction of the position adjustable belt is deflected in a region of the fins, where the position adjustable belt is connected with the lock belts over a guide eye (12). A stiffening element (3) is attached at a rear wall (8) of the backpack and comprises a support plate and frames that are arranged on the support plate.