Rotatable Magnetic Clasp for Protective Case Configuration
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Solution Overview
Problem
Existing protective cases for mobile devices are cumbersome and prone to unintentional dislocation due to mechanical attachments that deteriorate over time, failing to securely maintain desired configuration modes.
Innovation Solution
A multi-mode protective case employing magnetic elements with fixed and rotatable orientations, where the second magnetic element can be rotated 180° to align polarities for secure closure and open configurations, utilizing a rotatable magnetic and housing assembly to maintain position through magnetic attraction.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If mechanical attachments (snaps, zippers, tabs) are used to secure the case in desired configuration modes, then the case can be secured in position, but the attachments are cumbersome and deteriorate with wear and tear over time
Solution Approach 1:
The patent replaces mechanical attachment systems (snaps, zippers, tabs) with a magnetic field-based securing mechanism. Magnets embedded in the case components create magnetic attraction forces that hold the case in various configurations without physical mechanical connections, eliminating wear and tear while maintaining securing capability.
Solution Approach 2:
The patent utilizes changes in magnetic field parameters (strength, orientation, polarity) to achieve different case configurations. By adjusting the orientation and polarity of magnets, the case can be securely held in multiple positions (closed, open, viewing angles) without mechanical adjustments or wear-prone components.
2Device complexity
If cases are designed to fold-over themselves to provide support in different positions, then additional mechanical attachments are eliminated, but the cases can be unintentionally disturbed by jolts or bumps
Solution Approach 1:
The patent replaces reliance on folded configurations alone with a magnetic field-based stabilization system. Magnets create attractive forces that actively hold the case in various folded positions, preventing unintentional disturbance from external forces while maintaining the simplicity of fold-over design.
Solution Approach 2:
The magnetic attraction force acts as a counterbalancing force against external disturbances (jolts, bumps, gravity). The magnetic field provides a stabilizing force that counteracts forces trying to displace the case from its desired configuration, similar to how counterweight balances gravitational forces.
3Duration of action of stationary object
If magnetic elements are used to secure the case configuration, then wear and tear is reduced, but the magnetic elements must be precisely oriented to function properly
Solution Approach 1:
The patent incorporates rotatable magnetic elements that can dynamically adjust their orientation. This rotational freedom allows the magnetic elements to self-align or be easily positioned to achieve proper magnetic attraction, reducing the stringency of initial manufacturing precision requirements while maintaining effective securing functionality.
Solution Approach 2:
The magnetic elements are designed with multi-functionality, serving both as securing mechanisms and as elements that can be oriented for different case configurations. This universal design approach allows the same magnetic components to function in multiple positions and orientations, reducing the need for high precision in any single fixed orientation.
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
The magnetic positioning and closure system securely holds the case in both closed and open configurations, reducing wear and tear while providing a stable and convenient user experience by utilizing magnetic forces for alignment and retention.
Implementation Method 1
When the case is in the closed position, the second magnet can be positioned over the first magnet and rotatably oriented so that opposing polarities of the first and second magnet are facing one another and magnetically attract one another
Data Source
AI summary
A protective case for a mobile or handheld device is disclosed. The case includes front and rear cover components that are configured to rotate relative to one another so that the case is capable of being configured by the user into have multi-mode use configurations. The case includes a rotatable magnetic clasp that rotates to magnetically secure the case in desired configuration. The magnetic clasp includes a rotatable magnet component attached to one end region of the case and a fixedly positioned and oriented magnet secured to another opposing end region of the case. The rotation of the magnet allows the user to re-orient the polarity of the magnetic component to facilitate mechanical and magnetic retention of the desired configuration.