Modular Hinge Core for Reusable Laptop Housing Assembly
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Solution Overview
Problem
The reuse of information handling system components, particularly hinges, is hindered by the difficulty in tracking remaining life, predicting future failures, and efficiently disassembling systems to access and remove reusable components.
Innovation Solution
A modular hinge system with a separable hinge core and mount, allowing for selectable rotational characteristics such as torque, stop orientation, and detent orientation, which can be easily swapped or reused, and a wire bale and lever coupling device for automated assembly and disassembly.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of repair
If a traditional integrated hinge design is used, then the structural integrity and rotational control are maintained, but the difficulty of disassembly and component reuse increases
Solution Approach 1:
The hinge is divided into separate modular components: a hinge mount that attaches to the housing and a hinge core that provides rotational functionality. This segmentation allows the hinge to be disassembled into replaceable parts, enabling easy repair and reuse of components while maintaining structural integrity during operation.
2Ease of operation
If the hinge is designed with fixed rotational stops for normal operation, then the housing protection is ensured, but the access to internal components is limited
Solution Approach 1:
The hinge stop mechanism is designed to be dynamically adjustable. During normal operation, the stop maintains the housing in a protective closed position. During disassembly, the stop can be released to allow the hinge to rotate fully, providing access to internal components. This dynamic behavior resolves the contradiction between protection and accessibility.
3Reliability
If complete hinge replacement is performed, then the reliability is improved, but the cost and environmental impact increase
Solution Approach 1:
The modular hinge design enables selective replacement of only the worn hinge core while retaining the functional hinge mount and other reusable components. This approach recovers valuable materials and reduces waste compared to complete hinge replacement, while still restoring full hinge functionality through core replacement.
Data Source
AI summary
An information handling system hinge has a modular and selectively separable core that couples to hinge mounts in an interchangeable manner so that core selection defines hinge characteristics, such as torque, detent orientation and stop orientation. A standardized mount accepts cores with different rotational characteristics for streamlined manufacture of information handling systems and improved reuse and recycling of hinge components.