Split Hinge Assembly for Custom Length and Easier Installation
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Solution Overview
Problem
Conventional continuous hinges face challenges in manufacturing, delivery, and assembly due to their fixed length and complexity, which can lead to alignment issues during installation.
Innovation Solution
A split hinge design comprising multiple portions with varying leaf and cover lengths allows for easier manufacturing, packaging, and assembly, enabling pre-assembly before installation, and includes extension hinge portions for customizable lengths.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If conventional continuous hinges are manufactured with fixed length, then manufacturing precision is maintained, but adaptability to different door sizes and installation scenarios deteriorates
Solution Approach 1:
The continuous hinge is divided into multiple discrete hinge leaves (first hinge leaf, second hinge leaf, third hinge leaf, etc.) that can be independently manufactured and then assembled together. This segmentation allows the hinge to be customized for different door sizes by selecting and combining appropriate numbers of leaves, while each individual leaf maintains standardized manufacturing dimensions.
2Ease of operation
If conventional continuous hinges are installed as single long units, then structural integrity is maintained, but ease of assembly and alignment deteriorates
Solution Approach 1:
The hinge leaves are pre-assembled in groups (e.g., first hinge leaf and second hinge leaf form a first continuous hinge; third hinge leaf and fourth hinge leaf form a second continuous hinge) before final installation. This preliminary assembly allows for pre-alignment and quality control in a controlled environment, making the final field installation simpler and more accurate.
3Ease of manufacture
If conventional continuous hinges are made as single long units, then operational stability is ensured, but ease of packaging and delivery deteriorates
Solution Approach 1:
By dividing the continuous hinge into multiple separate leaves, each leaf can be packaged individually in compact boxes, making storage and shipping much more efficient. The segmented components can be delivered in smaller quantities and are easier to handle, while still maintaining the operational stability of the complete assembled hinge.
4Adaptability or versatility
If conventional continuous hinges use uniform leaf lengths, then manufacturing simplicity is maintained, but adaptability to customize hinge length deteriorates
Solution Approach 1:
The hinge system uses standardized, universally compatible hinge leaves that can be mixed and matched in different combinations. Each leaf is designed with universal mounting features and dimensions that allow them to work together in various configurations, enabling customization of total hinge length without requiring specialized components for each size.
Data Source
AI summary
A split hinge made of a first hinge portion having a first cover that is operatively coupled to two first leaves, and a second hinge portion having a second cover that is operatively coupled to two second leaves. The first leaves, the second leaves, the first cover, and/or the second cover may have the same or different lengths. The first leaves may have first leaf lengths that are greater than or less than the first cover, while the second leaves may have second leaf lengths that are greater than or less than the second cover. The first cover may extend over the first leaves, the second cover may extend over the second leaves, and a portion of the first cover may extend over a portion of the second leaves or a portion of the second cover may extend over a portion of the first leaves to form the split hinge.