Spring-Biased Hinge With Hidden Engagement Seam
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Solution Overview
Problem
Conventional hinges often have a cluttered appearance due to visible pins, knuckles, or connectors, which detract from their aesthetic appeal while failing to provide a clean and functional design that allows for a large range of motion, such as 180° pivoting.
Innovation Solution
A spring-biased hinge design featuring retaining structures with abutment faces and springs that connect the hinge leaves, allowing them to pivot without visible pins, with the springs being hidden behind an engagement seam, providing a simplified and aesthetically pleasing appearance.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Shape
If traditional pivot pins and connectors are used in hinge mechanisms, then the hinge provides reliable functionality and structural support, but the hinge has a cluttered appearance with visible pins and knuckles that detracts from aesthetic appeal
Solution Approach 1:
The patent extracts and removes the traditional visible pivot pins and connectors from the hinge mechanism. Instead, it uses hidden springs positioned behind the hinge leaves that are not visible from the front, thereby eliminating the cluttered appearance while maintaining hinge functionality through the spring-based connection system
Solution Approach 2:
The patent nests the spring mechanism behind the hinge leaves, placing the functional components (springs) in a hidden position behind the visible surface. This nesting allows the aesthetic front surface to remain clean and uncluttered while the nested springs provide the necessary mechanical connection and movement
2Shape
If springs are hidden behind the engagement seam to improve appearance, then the aesthetic appearance is improved, but the mechanism complexity increases to achieve the hiding effect
Solution Approach 1:
The patent merges the spring retention function with the hinge leaf structure itself by incorporating retaining structures directly into the hinge leaves. This integration combines multiple functions (structural support, spring retention, and aesthetic surface) into a unified design, reducing the need for separate external retention components
3Adaptability or versatility
If the hinge allows a large range of motion (≥180°), then the functionality and versatility are improved, but the mechanism requires more complex components to enable such movement
Solution Approach 1:
The patent employs self-service through the spring mechanism that automatically provides the necessary force and guidance for the full range of motion without requiring additional complex control components. The springs inherently accommodate the 180-degree movement through their elastic deformation, eliminating the need for separate actuators or complex linkage systems
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The solution eliminates the need for traditional pivot pins, maintains functionality with a 180° range of motion, and offers an improved aesthetic appearance by hiding the spring mechanism behind the engagement seam of the hinge leaves.
Implementation Method 1
One or more springs each having tensed and relatively relaxed configurations have two or more spring ends each of which is retained by one of the retaining structures
Data Source
AI summary
A spring-biased hinge includes two hinge leaves each having a retaining structure extending along an inner edge thereof, each of two ends of one or more springs received in a spring-receiving aperture of one of the retaining structures and connected to one of the hinge leaves. The springs thereby join the hinge leaves together with the inner ends of the hinge leaves in abutting engagement to form an engagement seam which hides the springs.