Pivoting Display Assembly With Strength Member Frame
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Solution Overview
Problem
Convertible computers face challenges with torsional and mechanical forces during display manipulation, inadequate protection against bending and impact, complex hinge designs, bulky cable routing, and limited space for additional components, leading to design and manufacturing complexities.
Innovation Solution
A display assembly is secured within a strength member frame that pivots on two sets of simple hinges, distributing forces through a 'unibody-type' construction with a rigid frame and cover, providing protection and mounting positions for components, and flexible cable routing options.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a single hinge mechanism is used to enable display rotation, then the device can achieve convertible functionality, but the hinge becomes complex and the display is exposed to damaging torsional forces
Solution Approach 1:
The single complex hinge is divided into two separate simple hinges. The first hinge connects the display assembly to the strength member frame, and the second hinge connects the strength member frame to the base. This segmentation distributes the mechanical complexity and allows each hinge to handle only bending moments, eliminating torsional forces from the display assembly.
2Device complexity
If the display is directly connected to the base, then the structure is simple, but the display is exposed to damaging mechanical forces during manipulation
Solution Approach 1:
A strength member frame is introduced as an intermediary component between the display assembly and the base. This rigid frame acts as a mediator that distributes and isolates mechanical forces, protecting the fragile display assembly from damaging torsional and bending forces while enabling the required movement functionality.
3Adaptability or versatility
If additional components are added to enhance device capabilities, then device functionality improves, but design and manufacturing complexity increases
Solution Approach 1:
The strength member frame serves multiple functions simultaneously: it provides structural support, protects the display assembly from mechanical forces, acts as a mounting platform for additional components (cameras, sensors, antennas), and serves as a cable routing channel. This multi-functionality allows component integration without proportionally increasing complexity.
4Reliability
If the display assembly is made more robust to withstand forces, then durability improves, but weight and thickness increase
Solution Approach 1:
The protective and structural functions are extracted from the display assembly itself and transferred to the separate strength member frame. This allows the display assembly to remain lightweight and thin while the frame, which is designed to withstand mechanical forces, provides the necessary durability and protection.
Data Source
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AI summary
An electronic device includes a display assembly, in which the display assembly is positioned within a strength member frame and pivots around a pair of hinges fixed into the strength member frame, the strength member frame isolating the display assembly from forces that would otherwise damage the display assembly. The display assembly may include a rectangular display element and the strength member frame is then a rigid rectangular frame that surrounds all four sides of the display assembly, all sides of the rigid rectangular frame being capable of isolating the display assembly from forces that would otherwise damage the display assembly. The invention hence enables a computing device display to be securely held, protected and manipulated. The display is protected from stress, torsional forces, impact forces and over-rotation.