Dual-Side Window Screen Expanders for Variable Socket Fit
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Solution Overview
Problem
Existing window screens require precise measurements for installation, which is challenging for homeowners and costly when professionals are hired, and they lack versatility for different window sizes.
Innovation Solution
A screen assembly with dual side expanders that adjust to fit various window sizes without requiring accurate measurements, using expandable members and biasing mechanisms for a secure fit.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If a screen is manufactured to fit specific window dimensions, then the fit precision is improved, but the measurement accuracy requirement increases and installation complexity worsens
Solution Approach 1:
The screen frame incorporates expandable side members that can dynamically adjust their length to accommodate different window openings. This dynamic adjustment mechanism allows a single screen design to fit multiple尺寸 specifications without requiring precise pre-measurement, resolving the contradiction between manufacturing precision and measurement accuracy requirements
Solution Approach 2:
The screen utilizes adjustable parameters in its side members (expandable/contractable length) to adapt to different window dimensions. By changing the dimensional parameters of the screen frame after manufacturing, the system achieves precise fit without requiring precise initial measurement, thereby resolving the technical contradiction
2Manufacturing precision
If a screen is designed for a specific window size, then the fit accuracy is improved, but the adaptability to different window sizes worsens
Solution Approach 1:
The screen assembly is designed with universal adaptability through its expandable side members, allowing a single screen design to serve multiple window size applications. This multi-functionality enables the screen to maintain accurate fit across different dimensions, resolving the contradiction between fit accuracy and adaptability
Solution Approach 2:
The dynamic expandable mechanism in the side members allows the screen to transform its dimensions to match different window openings, providing both universal adaptability and precise fit accuracy for various window sizes
3Manufacturing precision
If professional measurement and custom screen building is performed, then the installation precision is improved, but the installation cost worsens
Solution Approach 1:
The screen's expandable side members enable homeowners to perform self-service installation without requiring professional measurement services. The self-adjusting mechanism compensates for imprecise user measurements, maintaining installation precision while eliminating the need for expensive professional installation services
4Ease of manufacture
If a screen frame uses fixed dimensions, then the manufacturing simplicity is improved, but the ease of operation for different window sizes worsens
Solution Approach 1:
The side members are designed with dynamic expandability while maintaining straightforward manufacturing processes. This allows the screen to be easily manufactured with simple components that can later be adjusted by the user, resolving the contradiction between manufacturing simplicity and ease of operation for different window sizes
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
Enables easy selection and installation of window screens with a uniform appearance, accommodating a range of window sizes and eliminating the need for precise measurement, thus reducing installation costs and improving usability.
Implementation Method 1
at least one biasing mechanism configured to bias the at least one expandable member between the retracted position and the extended position
Data Source
AI summary
A screen assembly is configured to permit installation in various different sized windows having various different window socket dimensions. The screen assembly includes: a frame, a mesh secured to the frame, at least one expander member, and a biasing member, which may be a spring. The expander member is mounted to a first side of the frame, and configured to slide with respect to the frame between a fully retracted position, a fully extended position, and a plurality of intermediate positions. The biasing member biases the expander member toward the fully extended position. The range of sliding distances for the expander member relative to the fixed frame portion thereby provides a variable lateral extent for the screen assembly permitting its installation into various different sized windows having various different window socket dimensions.