Telescoping Hard-Shell Luggage for Expandable Protected Storage
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Solution Overview
Problem
Current luggage solutions fail to provide a cost-effective and durable option that can expand to meet airline size restrictions, often resulting in additional fees and damage to fragile items due to the limitations of soft luggage and existing expandable designs.
Innovation Solution
A telescoping hard-shell luggage system with a housing and module that can extend and retract, featuring a button assembly for connection and a clasp assembly for secure positioning, allowing for axial alignment and expansion without the need for additional luggage, while protecting items with a solid material.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If soft luggage is used to provide expandability, then the luggage can expand within airline limits, but the luggage fails to protect fragile items and is prone to damage through rough handling
Solution Approach 1:
The luggage is divided into a hard shell body and a separate expandable module that can be attached or detached. The hard shell provides protection while the module provides expandability, resolving the contradiction between protection and adaptability.
Solution Approach 2:
The luggage combines hard shell material (for protection) with expandable module material (for adaptability), creating a composite structure that exhibits both protective and expandable properties simultaneously.
2Device complexity
If a single piece of luggage is used, then the luggage is simple to manage, but additional luggage must be purchased when more space is needed
Solution Approach 1:
The luggage features a dynamic expandable module that can be extended when additional space is needed and retracted when not needed, allowing a single piece of luggage to adapt its capacity rather than requiring multiple fixed-size pieces.
Solution Approach 2:
The expandable module is designed to nest within or attach to the main luggage body, allowing the luggage to maintain a compact form when not expanded while providing the option for increased capacity when needed.
3Adaptability or versatility
If existing expandable luggage designs are used, then additional space can be obtained, but the cloth section may tear and the zipper may break
Solution Approach 1:
The expandable function is separated into a distinct module that attaches to the hard shell via robust mechanical connections, isolating the expansion mechanism from the protective shell and allowing each component to be optimized for its specific function.
Solution Approach 2:
A button assembly serves as an intermediary mechanism between the expandable module and the hard shell, providing a reliable connection method that is simpler and more durable than traditional zippers while enabling the expansion function.
Data Source
AI summary
Extendable and retractable luggage comprises a housing including a first compartment therein for storage. The luggage also includes a module movably connected to the housing. The module includes a second compartment in communication with the first compartment of the housing. The module is configured to move within the housing in a retracted position and extend away from the housing in an extended position. The housing and the module are in an axial alignment, such that both the extended and retracted positions of the module within the housing are maintained in the axial alignment. A portion of the module and a portion of the housing overlap each other and connect together when in the extended position, and when the module is positioned within the portion of the housing, a frame at a lower end of the module is positioned against a rim of the housing to provide the retracted position.