Hinge Assembly with Nested Secondary Member for Compact Durability
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Solution Overview
Problem
Handheld electronic devices face challenges with hinge mechanisms that are either too small and prone to damage or excessively large and bulky, which affects their durability and form factor when in a closed position.
Innovation Solution
A hinge assembly with a primary member and secondary member that allows for pivoting about two axes, where the secondary member can be positioned to either extend beyond or fit within the device's form factor, providing both robustness and protection by locking the device in place.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Volume of moving object
If a small hinge mechanism is used, then the device maintains a compact form factor, but the hinge is not robust enough and is susceptible to damage
Solution Approach 1:
The hinge assembly employs a nested structure where the secondary hinge member is positioned within or alongside the primary hinge member. This nesting allows the hinge to maintain a compact overall size while incorporating multiple structural elements that collectively provide enhanced durability and protection against damage.
2Reliability
If a robust hinge mechanism is used, then the hinge durability is improved, but the device becomes excessively large and bulky
Solution Approach 1:
The hinge mechanism is divided into two distinct members: a primary hinge member and a secondary hinge member. This segmentation allows each component to be optimized independently - the primary member provides the main structural support for durability, while the secondary member adds reinforcement without requiring a proportional increase in overall size. The divided structure achieves robustness through component specialization rather than simply scaling up the entire hinge.
3Reliability
If the secondary member extends beyond the form factor, then the hinge provides maximum protection and locking capability, but the device appears bulky when closed
Solution Approach 1:
The secondary hinge member is designed to be movable relative to the primary hinge member, allowing it to dynamically adjust its position. When the device is open, the secondary member can extend beyond the form factor to provide maximum protection and locking capability. When the device is closed, the secondary member can be repositioned to fit within the form factor boundaries, maintaining a sleek appearance. This dynamic positioning resolves the contradiction between protection and aesthetics.
Data Source
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AI summary
A hinge assembly for a handheld electronic device is provided. The hinge assembly includes a housing having a first portion and a second portion. The hinge assembly comprises a primary member structured to hingedly couple the first portion to the second portion and a seeondary member coupled to, and generally pivotable about, the primary member.