Suitcase with Internal Protective Sheet for Weather Shielding
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Solution Overview
Problem
Suitcases and bags are vulnerable to weather conditions and surface damage during transportation, particularly in collective transport services like airplanes, trains, and buses.
Innovation Solution
A suitcase with a receptacle containing an extractable, impermeable protective sheet that can be applied to form a covering for the casing, made of two half-parts connected by a zip, housed within the suitcase's dimensions and accessible via a zip opening.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the suitcase is equipped with a protective sheet stored inside the casing, then the protection against weather and surface damage is improved, but the device complexity increases due to the additional receptacle and extraction mechanism
Solution Approach 1:
The protective sheet is nested within the casing in a receptacle formed by the space between the internal surface of the half-shell and a flexible internal coating. This nesting approach allows the protective sheet to be stored compactly within the existing suitcase structure without requiring external attachments or complex separate storage systems.
Solution Approach 2:
The protective sheet is designed to be easily extractable and applicable by the user themselves. The sheet can be removed from the receptacle and applied to the external surface of the casing without requiring specialized tools or assistance, enabling the user to protect the suitcase independently before transportation.
2Reliability
If the protective sheet is made of impermeable material to protect against weather, then the weather resistance is improved, but the sheet thickness increases reducing its flexibility for application
Solution Approach 1:
The protective sheet is made from a flexible, impermeable material that forms a thin film capable of conforming to the external surface of the suitcase casing. This thin film structure provides weather protection while maintaining the flexibility needed for easy application and adherence to the casing contours.
3Volume of moving object
If the receptacle is set inside the casing within overall dimensions, then the compactness is improved, but the accessibility of the protective sheet for application becomes more difficult
Solution Approach 1:
The protective sheet is pre-positioned within the receptacle in a folded or rolled state before use. This preliminary placement allows the sheet to be readily accessible when needed - the user can extract it from the pre-prepared receptacle and apply it to the casing without requiring complex retrieval mechanisms or external storage.
Data Source
Figure 1~3
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Figure 6~7
AI summary
A suitcase or travelling bag comprising a casing (1) that can be opened and closed, which has a receptacle (9), which is accessible from outside and housed within which is an extractable protective sheet (8a, 8b) designed to form a protective covering (8) of the casing ( 1 ).