Adjustable Wheel Mechanism for Customizable Sliding Screen Doors
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Solution Overview
Problem
Existing sliding screen door systems lack customization options for different door sizes and are difficult for DIY installation, requiring specialized tools and equipment.
Innovation Solution
A screen door system with adjustable wheel mechanisms and corner members that allow for easy assembly and customization, featuring pivotable wheel mechanisms, adjustable screws, and drainage openings, enabling the system to fit various door sizes without specialized tools.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If traditional fixed-size screen door systems are used, then manufacturing is simplified, but adaptability to different door sizes is poor
Solution Approach 1:
The screen door system is divided into modular components: corner members, horizontal members, vertical members, and adjustable wheel mechanisms. Each corner member can be independently assembled with different configurations of wheel mechanisms to accommodate various door sizes. The wheel mechanisms themselves are segmented into adjustable components that can be configured in different positions along the horizontal members.
Solution Approach 2:
The wheel mechanisms incorporate adjustable components that can be repositioned along the horizontal members to change the effective width of the screen door. The adjustment mechanism allows the wheel position to be dynamically modified during installation or operation, enabling the same door system to adapt to different door openings without requiring custom-built doors for each size.
2Ease of operation
If traditional screen door installation methods are used, then structural simplicity is maintained, but ease of installation is poor due to specialized tool requirements
Solution Approach 1:
The corner members are designed with self-aligning features where the wheel mechanism automatically positions itself relative to the horizontal and vertical members during assembly. The adjustment mechanism can be operated from the exterior of the door using common tools, eliminating the need for specialized installation equipment. The modular design allows homeowners to assemble the door system using basic hand tools and standard measuring equipment.
Solution Approach 2:
The wheel mechanisms are pre-configured with adjustment ranges that cover the majority of standard door size variations. During manufacturing, the adjustment mechanisms are pre-positioned to work with common door widths, allowing installers to simply make minor adjustments on-site rather than performing complex custom fabrication or adjustment procedures during installation.
3Adaptability or versatility
If customizable screen doors for different sizes are manufactured, then adaptability improves, but manufacturing complexity and cost increase
Solution Approach 1:
The corner members and wheel mechanisms are designed as universal components that can be used across multiple door size configurations. The same corner member design can accommodate different door widths by simply repositioning the wheel mechanisms along the horizontal members, eliminating the need to manufacture different corner member types for each door size. This universal design approach maintains manufacturing simplicity while achieving extensive adaptability.
Data Source
AI summary
A corner member for a screen door comprises opposed inner and outer surfaces and first and second connectors extending between the inner and outer surfaces. The corner member further comprises a first protrusion extending from the first connector and a second protrusion extending from the second connector. The corner member further comprises a wheel guide, an adjustment mechanism, and a third connector. The wheel guide extends from the second protrusion. The wheel mechanism is pivotably connected to the wheel guide. The adjustment mechanism adjustably pivots the wheel mechanism with respect to the wheel guide. The third connector extends between the inner and outer surfaces. The inner surface, the outer surface, the first connector, the second connector, and the third connector define, at least in part, a corner cavity. The third connector comprises an opening that provides access through the corner cavity to the adjustment mechanism.