Window Hinge Assembly Energy Control for Hinge Pin Protection
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Solution Overview
Problem
Window hinge assemblies for casement windows often suffer damage from energy transmitted through the sash, particularly during installation and exposure to wind gusts, which can damage the hinge pin due to lack of effective energy absorption mechanisms.
Innovation Solution
Incorporating energy control components such as resilient bumpers or sacrificial zones within the hinge assembly to absorb or redirect energy away from the hinge pin, either through deformation or mechanical interlocks, thereby reducing the risk of damage during sash rotation and external forces.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If traditional hinge assemblies are used without energy control mechanisms, then the structure remains simple and cost-effective, but the hinge pin is vulnerable to damage from forces transmitted through the sash during installation and operation
Solution Approach 1:
The patent introduces an energy control component as an intermediary element between the sash arm and the hinge pin. This component absorbs and dissipates forces transmitted through the sash, protecting the hinge pin from damage while maintaining the overall simplicity of the hinge assembly structure
Solution Approach 2:
The energy control component is pre-installed in the hinge assembly to provide cushioning protection before any damaging forces are transmitted to the hinge pin. This beforehand cushioning mechanism absorbs impact energies during installation and operation, preventing damage to critical components
2Reliability
If energy control components are added to the hinge assembly, then the hinge pin is protected from damage during installation and operation, but the manufacturing complexity and cost increase
Solution Approach 1:
The hinge assembly is segmented into distinct functional components: the sash arm, the energy control component, and the hinge pin. This segmentation allows for independent manufacturing and assembly of each component, simplifying the overall production process despite the added functionality
Solution Approach 2:
The energy control component utilizes material parameter changes (such as elastic deformation or phase changes) to absorb and dissipate energy. This approach provides effective protection without requiring complex mechanical structures, thereby maintaining ease of manufacture
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 energy control components effectively absorb or redirect forces, reducing the likelihood of hinge pin damage during installation and operation, ensuring longer lifespan and reliability of the window hinge assemblies.
Implementation Method 1
In one or more embodiments, energy control may be accomplished through the use of one or more resilient components capable of recovering along one or more dimensions after being compressed
Implementation Method 2
In one or more alternative embodiments of hinge assemblies described herein, energy control within the hinge assembly may be achieved through transfer of energy from the sash arm to the shoe track using a mechanical interlock between the sash arm and shoe track
Data Source
AI summary
Window hinge assemblies with energy control and methods of using the same are described herein. The hinge assemblies include a track assembly, a shoe slidably engaged in a shoe track of the track assembly, a sash arm configured for attachment to a rotating sash, the sash arm being pivotally attached to the shoe, and a connecting arm pivotally connected to both the track assembly and the sash arm. The track assembly includes a base extending along a track axis, a shoe track extending along the track axis, and one or more energy control structures associated with the sash arm.