Adjustable-Leg Stand for Portable Devices on Uneven Surfaces
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Solution Overview
Problem
Existing portable electronic device stands fail to accommodate uneven or non-solid surfaces, limiting their usability in various settings such as beds, outdoors, and restricting user position to only lying on their back.
Innovation Solution
A supporting device with a main shaft, swing arms, adjustable legs, and grippers that allow for adjustable positioning and secure holding of electronic devices on any surface, enabling use in different orientations and on uneven surfaces.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If existing stands use fixed legs, then the structure is simple, but the stand cannot accommodate uneven or non-solid surfaces
Solution Approach 1:
The patent applies the dynamics principle by making the legs adjustable and movable rather than fixed. Each leg can be independently adjusted in position and angle, allowing the stand to adapt to uneven surfaces while maintaining structural stability. This transforms the static structure into a dynamic one that can respond to different surface conditions.
Solution Approach 2:
The stand is divided into separate, independently adjustable legs rather than a single fixed base. Each leg can be adjusted separately to accommodate different surface conditions, allowing the device to adapt to uneven surfaces while keeping the overall structure relatively simple through modular design.
2Adaptability or versatility
If existing stands have fixed orientation, then the structure is simple, but the user position is restricted to lying on back only
Solution Approach 1:
The stand incorporates dynamically adjustable components that allow the viewing angle and device orientation to be changed according to user needs. This enables users to comfortably view devices in various positions (lying on back, side, or other positions) while maintaining a relatively simple overall structure through straightforward adjustment mechanisms.
3Reliability
If existing stands are designed for flat surfaces, then manufacturing is simple, but reliability on uneven surfaces deteriorates
Solution Approach 1:
The patent employs dynamically adjustable legs that can be positioned and angled independently to compensate for surface unevenness. This provides reliable support on various surfaces while using simple, easily manufactured components that require minimal complex machining or assembly processes.
Data Source
AI summary
A supporting device is configured to hold and support a portable electronic device. The supporting device includes a main shaft, a plurality of swing arms, a holder, and a plurality of adjustable legs. The portable electronic device is configured to lean against the main shaft. The swing arms are pivotally coupled to two opposite ends of the main shaft and configured to rotate relatively to the main shaft. The holder is configured to receive an edge of the portable electronic device. The swing arms are slidably connected to the holder for adjusting a distance between the main shaft and the holder through the rotating of the swing arms. The adjustable legs are pivotally coupled to the two opposite ends of the main shaft. The adjustable legs are independently movable in at least two degrees of freedom.