Reversible Bag Structure for Expandable Multi-Style Carrying
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Solution Overview
Problem
Existing bags and soft goods lack versatility in transitioning between configurations, capacities, and functions, limiting their adaptability to different carrying needs.
Innovation Solution
A reversible bag design featuring multiple closing mechanisms and adjustable straps, allowing conversion between cross-body, shoulder, and expanded configurations, with symmetrical and asymmetrical attachment points for enhanced flexibility.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a bag is designed with a fixed structure and single configuration, then the manufacturing complexity is low, but the adaptability and versatility are limited
Solution Approach 1:
The bag is divided into multiple functional sections including an outer pouch, inner pouch, expandable section, and removable pouch. Each section can be independently accessed through separate closing mechanisms (first, second, and third closing mechanisms), allowing the bag to be segmented into different functional compartments while maintaining a unified structure.
Solution Approach 2:
The bag incorporates dynamic elements including an expandable section that can transition between compressed and expanded states, and a removable pouch that can be detached and reattached. The closing mechanisms enable these dynamic transitions, allowing the bag to adapt its configuration based on carrying needs.
2Adaptability or versatility
If multiple closing mechanisms are added to enable expansion and multiple access points, then the adaptability increases, but the device complexity increases
Solution Approach 1:
The closing mechanisms serve multiple functions: the first closing mechanism accesses the top interior chamber and controls the expandable section, the second closing mechanism accesses the bottom interior chamber and also controls expansion, and the third closing mechanism provides access to a side compartment. Each mechanism is multi-functional, reducing the need for separate dedicated components.
Solution Approach 2:
The first and second closing mechanisms are both coupled to the expandable section, allowing a single expansion action to create a unified expanded volume that can be accessed from multiple points. The removable pouch merges storage functionality with the main bag structure while maintaining independent access.
3Adaptability or versatility
If the bag is designed with symmetrical attachment points for the strap, then the ease of operation is improved, but the adaptability to different wearing styles is limited
Solution Approach 1:
The bag features both symmetrical and asymmetrical attachment points on the outer pouch. The symmetrical points enable cross-body and shoulder wearing, while the asymmetrical points provide additional configuration options. This combination of symmetrical and asymmetrical design allows the same strap system to support multiple wearing styles without requiring separate attachment mechanisms.
Solution Approach 2:
The strap system is designed to be multi-functional, capable of being worn in multiple configurations (cross-body, shoulder, hand-held) using the same attachment points. The removable pouch can also be worn separately as a small bag, providing additional versatility without requiring separate hardware.
4Reliability
If the expandable section is inverted to cover the outer pouch, then the protection and compactness are improved, but the access to closing mechanisms becomes more difficult
Solution Approach 1:
The expandable section can be inverted and nested within the outer pouch, with the closing mechanisms becoming accessible through openings in the inverted structure. The first and second closing mechanisms remain accessible from the exterior even when the expandable section is inverted, allowing users to open and close compartments without fully exposing the entire bag structure.
Data Source
AI summary
Embodiments are directed to a reversible bag including a first fabric assembly defining an outer surface, an inner surface, and a first volume. The outer surface includes a first fastening location, a second fastening location, and at least two closing mechanisms. The second fabric assembly is coupled to the inner surface and includes a second larger volume. The second fabric assembly includes top and bottom surfaces and can be inserted through at least two closing mechanisms. The reversible bag includes at least one strap that includes a first end coupled with the first fastening location on the outer surface and a second end coupled with the second fastening location of the outer surface. The reversible bag includes a first bag wing coupled to the outer surface adjacent to the first fastening location and a second bag wing coupled to the outer surface adjacent to the second fastening location.