Backpack Cinching Mechanism for Synchronized Load Adjustment
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Solution Overview
Problem
Conventional backpacks lack an efficient and user-friendly load adjustment system for shoulder straps and hip belts, requiring individual adjustments and disassembly for optimal fit, which limits user comfort and convenience.
Innovation Solution
A backpack design featuring integrated shoulder straps and a cinching layer with adjustable hip members, where the tension in the hip belt translates to the shoulder straps through a cinching mechanism, allowing synchronized adjustment of the load distribution without the need for separate and independent load-stabilizing straps or frequent disassembly.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If separate and independent load-stabilizing straps are used for each shoulder strap, then the shoulder straps can be individually adjusted to contour to the user's back, but the user must adjust each strap individually and coordinate the settings to achieve symmetric positioning, increasing the complexity and time required for adjustment
Solution Approach 1:
The patent combines two separate load-stabilizing straps into a single integrated strap system. This single strap connects both shoulder straps and can be adjusted as one unit, eliminating the need for separate adjustment mechanisms while maintaining the ability to contour to the user's back. The merged design reduces the number of adjustment operations required while preserving adaptability.
2Adaptability or versatility
If conventional adjustment mechanisms for hip belt position are used, then the hip belt position can be adjusted, but the adjustment mechanisms are difficult to use and may require the user to take off the backpack or partially disassemble it to make an adjustment
Solution Approach 1:
The patent incorporates preliminary action by pre-configuring the hip belt with integrated adjustment mechanisms that are accessible and operable without removing the backpack. The adjustment system is designed in advance to allow users to modify hip belt position and length while the backpack is worn, eliminating the need for disassembly or removal during adjustment.
3Adaptability or versatility
If separate and independent load-stabilizing straps are used, then each strap can be adjusted independently, but the straps are unable to function cooperatively to shift the position of the shoulder straps and load in response to user's movements
Solution Approach 1:
The patent merges separate load-stabilizing straps into a unified strap system that functions cooperatively. This integrated strap connects both shoulder straps and the load, allowing it to respond as a single unit to user movements. The merged structure enables coordinated adjustment and load stabilization while maintaining the ability to adapt to different body types and postures.
Data Source
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AI summary
A backpack may comprise a main body defining a first compartment, a first shoulder strap extending from the main body, a second shoulder strap extending from the main body, a cinching layer disposed adjacent an exterior surface of the main body, a first cinching cord coupled to the first shoulder strap and the second shoulder strap, and a second cinching cord coupled to the main body and extending through at least a portion of the cinching layer, wherein the second cinching cord is slideably coupled to the first cinching cord such that a tension applied to the first cinching cord causes the cinching layer to apply a compression force from the cinching layer toward the front exterior surface of the main body.