Interior Window Sunshade Loop Geometry for Mirror Clearance
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Solution Overview
Problem
Conventional interior window sunshades face challenges in providing adequate support at the corners of automobile windows and often hit rear-view mirrors during installation, limiting their flexibility and fitment across various window dimensions.
Innovation Solution
The design incorporates flexible, reshaped support loop members with arched or bypass-bend configurations sewn onto the fabric, allowing for improved fitment and coverage on different window sizes, including features to bypass obstructions like rear-view mirrors.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If round support loop members are used in conventional sunshades, then the sunshade can be manufactured with simple structures, but the fitment and coverage on various window dimensions are insufficient
Solution Approach 1:
The loop member is divided into multiple straight sides connected by corners, where each corner can be independently configured with different bend radii. This segmentation allows the loop member to adapt to various window shapes while maintaining manufacturability through standardized straight segments.
Solution Approach 2:
Different corners of the loop member have different properties - specifically, different bend radii at each corner to match the specific geometry of the window corners. This local differentiation enables precise fitment to various window dimensions without requiring a completely different loop design for each application.
2Reliability
If standard loop members are used, then the manufacturing process is simple, but the support at the corners of automobile windows is insufficient
Solution Approach 1:
Each corner of the loop member is designed with specific bend radius properties tailored to provide adequate support at window corners. The first corner has a first bend radius and the second corner has a second bend radius, allowing optimized corner support while maintaining straightforward manufacturing of the straight segments between corners.
3Ease of operation
If conventional loop members are used, then the sunshade structure remains compact, but the loop member may hit the rear view mirror during installation
Solution Approach 1:
The loop member employs asymmetric corner configurations with different bend radii at different corners. This asymmetry allows the loop to be configured to bypass obstructions like rear-view mirrors during installation while maintaining overall compactness and functionality for sunshade coverage.
Solution Approach 2:
The loop member's corner bends provide dynamic flexibility during installation, allowing the loop to conform to the presence of obstructions such as rear-view mirrors. The varied bend radii enable the loop to flex and adapt its path during installation without requiring a completely different loop design for vehicles with mirrors.
Data Source
AI summary
Disclosed is an improved interior window sunshade for a window of a building and/or an automobile window. The interior window sunshade comprises a flexible flat wire loop member secured to a fabric. The flexible flat wire loop member comprises flexible arch on one or more sides of the flexible flat wire loop member.