Portable Electronic Device Case with Asymmetric Pocket Rim and Sliding Flap
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Solution Overview
Problem
Conventional cases for portable electronic devices with a display screen and an operating stick can cause the stick to be inclined when stored, which is not ideal for support and can make insertion and removal difficult.
Innovation Solution
A case design featuring a back cover and a front cover with a side cover and main cover that form a pocket and flap, respectively, allowing for the electronic device to be stored in a way that prevents exposure and reduces load on the operating stick, with the pocket rim and flap rim positioned to facilitate easy insertion and removal while avoiding the operating stick.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a conventional case with uniform structure is used, then the electronic device can be stored, but the operating stick may be held inclined and exposed when not desired
Solution Approach 1:
The front cover is divided into a main cover and a side cover that can move relative to each other, creating a segmented structure. This allows the case to provide stable support for the operating stick while enabling easy insertion and removal of the electronic device through the sliding mechanism between the covers.
Solution Approach 2:
The side cover is designed to slide horizontally relative to the main cover, introducing dynamic movement to an otherwise static case structure. This dynamic feature facilitates easy insertion and removal of the electronic device while maintaining proper support for the operating stick when closed.
2Ease of manufacture
If the case structure is simplified, then manufacturing is easier, but the electronic device may be exposed when not desired
Solution Approach 1:
The front cover is segmented into a main cover and a side cover, allowing the protection function to be achieved through a relatively simple sliding mechanism rather than complex locking systems. This segmented approach maintains device protection while keeping the manufacturing process straightforward.
3Ease of operation
If the pocket rim is positioned far from the center line, then insertion is easier, but the operating stick may be abutted and inclined
Solution Approach 1:
The pocket rim is positioned asymmetrically, closer to the center line, while the flap rim is positioned further away. This asymmetric arrangement allows the pocket rim to avoid abutting the operating stick and provide proper support, while the overall sliding mechanism between covers maintains ease of insertion and removal.
Data Source
AI summary
An electronic device can be inserted into a pocket formed with a main cover through between a side cover and the main cover. A part of the electronic device where an operating stick is formed can be stored in a flap formed with the side cover. The upper end of the flap rim of the side cover is positioned further away from the center line C1 of the case than the lower end is. The pocket rim of the main cover gets closer to the center line C1 of the case as it goes from the upper end to the lower end. According to a case including the main cover and the side cover, insertion/removal work of the electronic device can be facilitated, undesired exposure of the electronic device can be prevented, and a load applied to the operating stick can be readily reduced.