Rotating End Cap for Vehicle Shade Assembly Length Adjustment
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Solution Overview
Problem
Existing vehicle roller shade assemblies face challenges in versatility and ease of installation due to fixed lengths and heavy, costly designs that fail to accommodate varying vehicle interior dimensions, leading to increased manufacturing and design complexities.
Innovation Solution
A rotating end cap system with a base and extension, featuring a rotating connector that allows the end cap to pivot from a linear to an orthogonal position, enabling adjustable length and easy installation across multiple vehicle lines.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a fixed-length roller is used in security shade assemblies, then the structure is simple and manufacturing is easy, but the shade assembly cannot accommodate various vehicle models and interior configurations
Solution Approach 1:
The end cap is designed with a rotating extension component that can pivot between extended and retracted positions. This dynamic mechanism allows the roller length to be adjusted on-demand, enabling a single roller design to fit multiple vehicle configurations without requiring multiple fixed-length models
Solution Approach 2:
The end cap is divided into a base portion and a rotating extension portion that can move independently. This segmentation allows the roller to effectively change its length by extending or retracting the extension portion, providing versatility across different vehicle models while maintaining a compact base structure
2Ease of manufacture
If multiple fixed-length rollers are manufactured for different vehicle lines, then each vehicle model fits perfectly, but manufacturing costs and design complexity increase significantly
Solution Approach 1:
A single roller design with adjustable end caps serves multiple vehicle models and configurations. The rotating extension mechanism allows the same roller to be used across different vehicle lines by adjusting the effective length, eliminating the need to manufacture multiple dedicated roller models for different vehicles
Solution Approach 2:
The roller length parameter can be dynamically changed by rotating the extension portion of the end cap between different angular positions. This parameter adjustment capability allows a single roller design to adapt to various vehicle interior dimensions without requiring multiple fixed-parameter roller models
3Ease of operation
If spring-loaded end caps are used to secure the roller in brackets, then installation is easy with self-centering action, but the device weight and cost increase
Solution Approach 1:
The rotating extension mechanism is designed to be manually operated by the user during installation and adjustment. This self-service approach eliminates the need for spring-loaded mechanisms, reducing weight and cost while still providing ease of operation through simple manual rotation to achieve the desired roller length
Data Source
AI summary
An end cap for use in a shade assembly for use in a vehicle wherein the end cap is a rotating end cap. The end cap is capable of rotating and twisting and includes a base and a rotating connector partially arranged within an end of the base. The rotating end cap also includes an extension with the rotating connector partially arranged within an end of the extension. The rotating end cap will allow for the end cap to effectively reduce its length by rotating the extension with relation to the base from a generally parallel position to one having an orthogonal position between the extension and base.