Mobile Terminal Case With Hinged Finger Grip
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Solution Overview
Problem
The increasing size and complexity of mobile devices, such as smartphones and tablets, make them difficult to hold securely, leading to concerns about accidental drops and discomfort during use, especially when performing other activities.
Innovation Solution
A mobile terminal case with a gripping element, such as a folding tab and elastic mechanism, that securely attaches to the user's fingers, allowing for comfortable operation without fear of dropping the device, and optionally includes a rotating feature for changing device positions.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If mobile devices are made bigger to include more functions, then functionality is improved, but ease of grasping deteriorates
Solution Approach 1:
The case is divided into functional segments: a base portion covering the device and a separate gripping element with folding tab. This segmentation allows the gripping function to be enhanced without changing the device size, resolving the contradiction between device functionality and ease of grasping.
Solution Approach 2:
The gripping element adds a new spatial dimension to the case structure by extending outward from the base. The folding tab creates an additional dimensional layer that provides finger accommodation, allowing secure grasping of larger devices without increasing the device's core dimensions.
2Adaptability or versatility
If mobile devices are made bigger, then functionality is improved, but stability against dropping deteriorates
Solution Approach 1:
The folding tab is pre-positioned in a resting position within a recess, and the elastic element is pre-loaded to exert gripping force. When the user inserts their finger, the tab automatically swings to the gripping position, creating a secure hold before any dropping risk occurs. This preliminary preparation ensures stability for larger, more functional devices.
Solution Approach 2:
The elastic element's natural tendency to return to its original position is converted into a beneficial gripping force. The elastic recovery force that would normally just return the tab to rest position is harnessed to actively clamp and secure the user's finger, transforming a simple mechanical property into a reliability-enhancing feature.
3Ease of operation
If a gripping element is added to the case, then ease of operation is improved, but device complexity increases
Solution Approach 1:
The gripping element is merged with the case structure through the base portion, which integrates the recess and shaft mechanisms. The folding tab, elastic element, and base work as a unified system, reducing the need for separate components and simplifying manufacturing while maintaining improved ease of operation.
Solution Approach 2:
The folding tab transitions from a static structure to a dynamic component that can swing between resting and gripping positions. This dynamic capability is achieved through simple hinge joints and elastic forces rather than complex mechanical systems, improving ease of operation while controlling structural complexity.
4Ease of operation
If a folding tab mechanism is added, then ease of operation is improved, but manufacturing complexity increases
Solution Approach 1:
The folding tab is designed as a thin, flexible component that can be easily formed and attached to the base. The elastic element can be implemented as a simple spring or elastic band, both of which are straightforward to manufacture and assemble. This approach maintains grip security while minimizing manufacturing complexity.
Solution Approach 2:
The design allows for parameter adjustments in material selection, tab dimensions, and elastic force characteristics to optimize both manufacturing ease and grip performance. By controlling parameters like tab thickness, hinge friction, and elastic coefficient, the system achieves secure gripping without requiring complex manufacturing processes.
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 users to perform activities while using their mobile devices without worrying about dropping them, providing secure grip and comfort, and allowing for easy position changes without releasing the device.
Implementation Method 1
said case comprising at least one elastic element attached to said folding tab and to said base configured and positioned to exert a returning force on said folding tab in the direction of the initial position
Data Source
Figure 1A~1B
Figure 2A~2B
Figure 3A~3B
AI summary
The invention relates to a case for a mobile terminal including a securing element for the user's fingers in order to prevent the mobile terminal from being dropped. The case comprises a base (1) covering at least part of the rear face of a mobile terminal and including at least one recess and a hinged flange (3) of identical size and shape to the recess (2). The hinged flange (3) can pivot between a rest position in which it is in the recess (2) and a securing position in which it is inclined in relation to the base (1). A resilient element (4) forms a securing means which is connected to both the hinged flange (3) and the base (1) and exerts a force on the hinged flange (3) returning same to the rest position.