Magnetic Window Screen Attachment Eliminates Retaining Posts
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Solution Overview
Problem
The existing methods for attaching window screens to casement windows are cumbersome, often requiring the use of retaining posts that are difficult to manage, and there is a lack of effective magnetic attachment solutions that do not compromise the clean appearance of the window frames and are not easily cleanable.
Innovation Solution
A magnetically attachable window screen system where magnets are integrated within the channels of the casement window frames, eliminating the need for retaining posts and slots, and providing a secure, easy-to-use attachment mechanism that maintains the clean lines of the window frames while preventing debris accumulation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If retaining posts with biasing means are used to attach window screens, then the window screens can be securely attached to the window frame, but the installation and removal process becomes complex and difficult to operate
Solution Approach 1:
The patent replaces the mechanical retaining post and spring biasing system with a magnetic attachment system. Magnets embedded in the window frame and corresponding magnetic materials in the screen frame create secure attachment through magnetic force, eliminating the need for complex mechanical components while simplifying installation and removal operations.
Solution Approach 2:
The invention extracts and eliminates the retaining posts and their associated biasing means from the window screen assembly. By removing these complex mechanical components, the system achieves simpler operation while maintaining secure attachment through the magnetic field mechanism.
2Reliability
If retaining post slots are provided in the window frame, then the window screens can be attached, but the clean lines of the window frame are compromised and debris accumulation occurs
Solution Approach 1:
The patent removes the traditional retaining post slots from the window frame design. By eliminating these slots, the window frame maintains its clean, continuous lines while the magnetic attachment system provides the necessary screen retention capability without requiring physical openings in the frame.
3Reliability
If retaining post slots are provided in the window frame, then the window screens can be attached, but dust and debris entry points are created that are difficult to clean
Solution Approach 1:
The invention eliminates the retaining post slots that serve as pathways for dust and debris to enter the window frame channels. By removing these openings and replacing them with a magnetic field-based attachment system, the design prevents contaminant accumulation while maintaining screen attachment functionality.
4Reliability
If multiple retaining posts with multiple tabs are used, then the window screen can be securely attached, but the user must pull on multiple tabs which complicates the removal process
Solution Approach 1:
The patent removes the multiple pull tabs associated with retaining posts. The magnetic attachment system provides secure holding force across the entire screen-frame interface, allowing the screen to be removed by simple pulling motion without the need to manipulate multiple discrete tabs or apply complex forces to specific locations.
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 magnetic attachment system simplifies the installation and removal of window screens, enhances the cleanliness of the window frames by eliminating dust and debris entry points, and maintains the aesthetic appeal of casement windows.
Implementation Method 1
a first magnet mounted in the window frame and a second magnet mounted in the window screen, the first and second magnets being positioned to magnetically cooperate with one another
Implementation Method 2
the magnets, or corresponding metal pieces against which magnets may operate typically remain on the frames which are unsightly when a window screen is not in position
Data Source
AI summary
A magnetically attachable window screen system comprising,a rectangular casement window comprising a casement window frame for removably attaching a rectangular window screen, the casement window frame comprising four window frame sides,the four window frame sides comprising a lower horizontal frame side, an upper horizontal frame side and two opposing vertical frame sides, each window frame side comprising a front perimeter wall and a side perimeter wall, at least one frame magnet attached to the casement window frame at least partly behind the plane defining the front perimeter wall or the plane defining the side perimeter wall, at least one support on the casement window frame for supporting the window screen, the window screen comprising a screen frame comprising four screen bars, the four screen bars comprising a lower horizontal screen bar, an upper horizontal screen bar, and two vertical screen bars, the window screen further comprising at least one screen magnet attached to the window screen frame and positioned to magnetically co-operate with the at least one frame magnet attached to the casement window frame.