Security Screen Mounting Rails for Vinyl Windows
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Solution Overview
Problem
Existing security screen mounting systems damage windows and are aesthetically undesirable due to their large size, increasing manufacturing costs and voiding warranties, as they cannot be directly attached to windows made of materials like vinyl or fiberglass without causing punctures.
Innovation Solution
A mounting method using sized mounting rails inserted within the integral screen track of the window frame, allowing the security screen to be attached without a mounting flange, using self-tapping screws, and made of materials like metal tubing, which is more aesthetically pleasing and reduces material requirements.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If security screens are attached to the exterior wall surrounding the window opening, then the window is protected from unauthorized intrusion, but the screen becomes larger than necessary, increasing manufacturing cost and reducing aesthetics
Solution Approach 1:
The patent introduces mounting rails as an intermediary component that fits within the window frame's screen track. These rails serve as a mediator between the window frame and the security screen, allowing the screen to be securely mounted directly to the window frame rather than requiring attachment to the exterior wall. This intermediary mounting system enables the screen to be sized precisely to the window opening, reducing material usage while maintaining security functionality.
2Reliability
If security screens are attached to the exterior wall surrounding the window opening, then the window is protected from unauthorized intrusion, but the aesthetics are reduced due to oversized screens hiding the window
Solution Approach 1:
The mounting rails act as an intermediary that enables precise positioning of the security screen within the window frame. By fitting these rails into the existing screen track of the window frame, the system allows the screen to be mounted directly to the frame rather than extending beyond it to attach to the wall. This results in a screen that is sized appropriately to the window opening, maintaining aesthetic appearance while providing security protection.
3Adaptability or versatility
If mounting flanges and spacers are used to attach security screens, then installation is possible on various window types, but device complexity and manufacturing cost increase
Solution Approach 1:
The mounting rails are designed to fit within the standard screen track found in various window frame types, making the system universally applicable to different window materials including vinyl, fiberglass, aluminum, and wood. Rather than requiring different mounting flanges or spacers for each window type, the same rail-based mounting system can be used across all window types that have a screen track, simplifying the overall device complexity while maintaining adaptability.
4Ease of operation
If direct attachment to the window is attempted, then installation is simplified, but the window is damaged causing leaks and voiding warranty
Solution Approach 1:
The mounting rails serve as an intermediary mounting component that attaches to the window frame through the screen track without damaging the window. Rather than requiring direct attachment that would puncture or damage the window frame, the rails fit within the existing track structure and provide secure mounting points for the security screen. This approach maintains the integrity of the window frame, preventing leaks and preserving the manufacturer's warranty while still enabling straightforward installation.
Data Source
AI summary
A mounting system and method for security screens for use with double-hung windows and other windows having an integral screen track is disclosed. The mounting system and method according to the present invention reduces materials cost for manufacture of security screens while improving aesthetics of the installation and allowing installation to be accomplished from the interior side of the window, and permits installation of security screens either at the construction site or during window manufacture, while preserving the window manufacturer's warranty. Exemplary embodiments both with and without a subframe are described.