RV Window Carrier Assembly for Ventilation Without Door Modification
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Solution Overview
Problem
The design of rear doors on base vehicles used for recreational vehicles often requires compromises due to compatibility issues with desired rear windows, and replacing or modifying the rear door is costly and inefficient for small production runs.
Innovation Solution
A window carrier system for recreational vehicles, featuring a holding frame and fastening frame with adjustable parallelogram hinges and gas pressure springs, allowing for a non-openable window design that can be adapted to provide ventilation and maintain a closed appearance, while using existing body openings without requiring extensive modifications or approvals.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a non-openable window is mounted on the body opening of the base vehicle, then the base vehicle's original design and appearance are maintained, but the functionality and design flexibility are limited
Solution Approach 1:
The window system is divided into separate components: a fastening frame that attaches to the body opening and a holding frame that carries the window pane. This segmentation allows the window to be mounted on the base vehicle's body opening while maintaining the original vehicle design, and enables the window to be opened or closed independently without modifying the vehicle structure.
Solution Approach 2:
The holding frame is made adjustable relative to the fastening frame, allowing it to be positioned in different configurations. This dynamic adjustment capability enables the window to transition between open and closed states, providing ventilation when needed while maintaining a fixed appearance when closed, thus resolving the contradiction between functionality and design consistency.
2Adaptability or versatility
If the rear door of the base vehicle is replaced or modified to accommodate a desired rear window, then the window design requirements are met, but the production costs increase due to custom development and approval requirements
Solution Approach 1:
The window carrier system acts as an intermediary component between the base vehicle's body opening and the desired window design. Instead of modifying the rear door, the carrier system attaches to the existing body opening and provides the necessary support and adjustment mechanisms, thereby meeting window design requirements without incurring custom development costs.
Solution Approach 2:
The fastening frame is designed to be universally compatible with the base vehicle's body opening, allowing the same window carrier system to be used across different vehicle models without requiring custom door modifications. This multi-functional approach enables various window designs to be accommodated using a standardized mounting system.
3Ease of operation
If a window carrier is installed to allow opening the window, then ventilation functionality is improved, but the closed appearance and original design are compromised
Solution Approach 1:
The holding frame is designed to cover the fastening frame circumferentially when closed, creating a uniform appearance that matches the vehicle's body design. This local quality matching ensures that the window carrier blends seamlessly with the original design when closed, while still providing full ventilation capability when opened.
Solution Approach 2:
The adjustable holding frame allows the window to be dynamically positioned between fully closed and fully open states. When closed, the holding frame conceals the fastening frame mechanisms, maintaining the original appearance. When opened, the window provides ventilation functionality, thus resolving the contradiction between appearance and operation.
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
Enables improved functionality and design with low additional costs by allowing for easy assembly, reliable fastening, and adaptive ventilation without altering the original rear door design, thus reducing production costs and maintaining the base vehicle's appearance.
Implementation Method 1
at least one gas spring, which is connected to the mounting frame on the one hand and to the retaining frame on the other, and to keep the retaining frame open in the open state. The gas spring can also at least assist in opening the retaining frame.
Data Source
Figure 1A~1B
Figure 2A~2B
Figure 3~4
AI summary
A window carrier (6) for a recreational vehicle (1), in particular a campervan, based on a base vehicle (1'), in particular a small van as the base vehicle (1'), wherein the base vehicle (1') is designed such that a non-opening window pane is mounted or can be mounted on a body opening (8). It is proposed that a retaining frame (12) be provided for holding a pane (10), that a mounting frame (14) be provided which can be attached to the body opening (8), that the retaining frame (12) be adjustable relative to the mounting frame (14), and that, in the closed state, the retaining frame (12) completely and substantially covers the mounting frame (14) when viewed from the outside. Furthermore, a recreational vehicle (1) and an arrangement (5) are specified.