Backpack Shoulder Strap Adjustment With Hidden Elastic Elements
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Solution Overview
Problem
Existing backpack adjustment systems are cumbersome, prone to breakage, require separate adjustment of each strap, lack elasticity, and protrude, increasing bulk and risk of entanglement, while being time-consuming to adjust.
Innovation Solution
An internal adjustment apparatus with elastic elements and guiding means that allows simultaneous adjustment of both shoulder straps, hidden from view, providing flexibility and adhesion to the backpack, reducing bulk and risk of damage.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If traditional adjustment systems with buckles and additional straps are incorporated into the backpack, then the shoulder strap length can be adjusted, but the system becomes more complex, more prone to breakage, and less comfortable for the user
Solution Approach 1:
The adjustment mechanism is extracted from the traditional buckle system and integrated directly into the shoulder strap webbing. The movable end of each shoulder strap is equipped with a reinforcement patch that allows direct adjustment by pulling the strap through the reinforcement, eliminating the need for separate buckles and adjustment straps.
Solution Approach 2:
Instead of using a buckle to connect and adjust the strap, the invention inverts the approach by making the strap end itself adjustable through the reinforcement patch. The adjustment is achieved by pulling the strap through the reinforcement rather than using a separate fastening mechanism.
2Adaptability or versatility
If traditional buckles and adjustment parts are used, then the shoulder strap length can be modified, but loose or protruding parts may get in the way of the user or get caught in branches
Solution Approach 1:
The invention removes all protruding buckles, buttons, and adjustment parts from the shoulder strap. The adjustment function is achieved through flat reinforcement patches integrated into the strap webbing, eliminating any parts that could protrude or get caught on external objects.
Solution Approach 2:
The reinforcement patches are made as thin, flat elements that are integrated into the shoulder strap webbing. This creates a smooth, flexible surface that conforms to the strap and eliminates rigid protruding parts that could cause entanglement or interference with the user's movement.
3Adaptability or versatility
If separate adjustment of each shoulder strap is required, then individual strap length can be customized, but it takes the user a considerable amount of time to get both straps to the same length
Solution Approach 1:
The invention combines the adjustment mechanisms of both shoulder straps through a central adjustment element located at the backpack connection point. By adjusting this single central element, both shoulder straps are adjusted simultaneously and equally, eliminating the need to adjust each strap separately while still allowing individual length customization.
Solution Approach 2:
The central adjustment element serves multiple functions: it adjusts both shoulder straps simultaneously, maintains equal length on both sides, and allows for individual strap length customization. This multi-functional element reduces the adjustment process to a single operation.
4Stability of the object's composition
If adjustment apparatuses are rigidly fixed to the back of the backpack, then structural stability is maintained, but flexibility and elasticity are reduced
Solution Approach 1:
The invention replaces rigid fixed adjustment apparatuses with dynamic elements that can move and flex. The shoulder straps are equipped with movable ends that can slide through the reinforcement patches, allowing the strap length to adjust dynamically based on the user's needs while maintaining structural stability through the reinforcement patches.
Solution Approach 2:
The reinforcement patches are made as flexible, thin elements that are integrated into the shoulder strap webbing rather than rigid fixed apparatuses. This allows the adjustment mechanism to be flexible and adaptable while maintaining sufficient structural stability to support the backpack load.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
Enables quick, easy, and simultaneous adjustment of shoulder straps, enhancing comfort and usability, reducing bulk and risk of entanglement, while maintaining aesthetics and functionality.
Implementation Method 1
an elastic element (13) connecting the movable end to the backpack (1)
Data Source
Figure 1
Figure 2
Figure 3
AI summary
Container for transporting objects, such as a backpack (1), comprising one or more shoulder straps (2) and an adjustment apparatus (100) of said one or more shoulder straps (2) wherein the adjustment apparatus (100) comprises a base (11) connected to said container, at least one elastic element (13) connected to at least one movable end of said one or more sliding elements (15) fixed to the base (11) and configured to make the elastic element (13) extend and retract close to the base (11), so that the distance of at least one movable end of the straps (2) from the container can be adjusted.