Multi-Position Hinge Mechanism for Mobile Devices
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Solution Overview
Problem
Existing mobile computing devices lack an efficient and aesthetically pleasing mechanism for transitioning from handheld use to surface-based use, as traditional hinge mechanisms are awkward and detract from the mobile device's aesthetic, and existing solutions do not provide sufficient support and orientation flexibility.
Innovation Solution
A hinge mechanism with multiple preset positions that allows a support component to be adjustably attached to a computing device, enabling it to snap into various positions, including an emergency escape position, while maintaining a minimal external profile and providing tactile feedback for proper positioning.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a hinge mechanism is added to enable surface-based use, then orientation flexibility is improved, but device complexity increases
Solution Approach 1:
The hinge mechanism is divided into discrete preset positions (e.g., 0°, 45°, 90°, 135°, 180°) rather than allowing continuous rotation. This segmentation enables the support component to snap into specific stable positions, providing orientation flexibility while maintaining a simple mechanical structure without complex control systems.
Solution Approach 2:
The hinge mechanism incorporates dynamic elements such as springs and detents that enable the support component to automatically snap into preset positions when force is applied. This dynamic behavior provides tactile feedback and stable positioning without requiring complex active control mechanisms, resolving the contradiction between versatility and complexity.
2Ease of operation
If multiple preset positions are implemented, then usability is improved, but manufacturing precision requirements increase
Solution Approach 1:
The hinge mechanism incorporates springs and detents that are pre-configured to provide tactile feedback and stable positioning at preset positions. These mechanical elements are designed beforehand to compensate for minor manufacturing variations, ensuring reliable snapping into position without requiring extremely tight manufacturing tolerances. The spring-loaded detent system absorbs dimensional variations while maintaining functional precision.
3Reliability
If an emergency escape position is added, then reliability is improved, but device complexity increases
Solution Approach 1:
The emergency escape position is pre-configured as one of the preset positions in the hinge mechanism (e.g., 180° fully extended position). This preliminary design feature allows the support component to be rotated beyond normal operating positions without requiring additional emergency release mechanisms. The escape position is built into the fundamental hinge structure, providing reliability while avoiding increased complexity.
4Shape
If the hinge mechanism maintains a minimal external profile, then aesthetic appearance is improved, but the range of motion is limited
Solution Approach 1:
The hinge mechanism is designed with a compact, nested structure where components are housed within the device's existing form factor. The support component rotates along a constrained path that maintains a minimal external profile when closed, while still enabling full range of motion to multiple preset positions when opened. This nesting approach allows the hinge to provide versatility without compromising the sleek aesthetic of the mobile device.
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 flexible and stable support for different orientations of mobile computing devices, enhancing usability and maintaining a sleek aesthetic by allowing seamless transitions between handheld and surface-based use without compromising the device's design.
Implementation Method 1
The hinge mechanism is configured such that an attached support component tends to 'snap' into various preset positions
Implementation Method 2
The hinge mechanism includes an emergency escape position that enables the support component to be rotated beyond normal operating positions without damaging the support component
Implementation Method 3
Another example hinge exerts pressure on an edge of the kickstand, providing stability and vibration dampening to the kickstand
Implementation Method 4
Another example hinge exerts pressure on an edge of the kickstand, providing stability and vibration dampening to the kickstand
Data Source
Figure 1
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AI summary
A hinge with multiple preset positions is described. According to various embodiments, the hinge mechanism enables a support component to be adjustably attached to an apparatus, such as a computing device. In at least some embodiments, the hinge mechanism utilizes preset hinge positions that enable the support component to be placed at different preset positions. For instance, the hinge mechanism is configured such that an attached support component tends to "snap" into various preset positions. In at least some embodiments, the hinge mechanism includes an emergency escape position that enables the support component to be rotated beyond normal operating positions without damaging the support component.