Self-Closing RV Interior Door Access Panel
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Solution Overview
Problem
Existing two-door systems in recreational vehicles face issues with access to the exterior door latch mechanism, as the sliding access panel often remains open, allowing pests and elements to enter, and can be unreliable due to bouncing between open and closed positions during travel.
Innovation Solution
A self-closing access panel integrated within the interior door, utilizing a biasing member to maintain the panel in a closed position until adequate opening force is applied, providing either a pushing or pulling force to return to the closed state, and can be retrofitted into existing systems or integrated during manufacture.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a sliding access panel is used to access the exterior door latch, then access convenience is improved, but the panel remains open after use allowing pests and elements to enter
Solution Approach 1:
The access panel is equipped with a spring-loaded self-closing mechanism that automatically returns the panel to the closed position after use. The spring biasing member provides continuous closing force, ensuring the panel closes itself without requiring manual intervention, thus preventing pests and elements from entering while maintaining ease of access during use.
2Ease of operation
If a sliding access panel is used, then access to the latch mechanism is enabled, but the panel bounces between open and closed positions during travel
Solution Approach 1:
The spring-loaded mechanism continuously applies closing force to the panel, automatically counteracting any vibrations or forces that cause the panel to bounce during vehicle travel. This self-regulating system maintains stable panel positioning without requiring external control systems.
Solution Approach 2:
The spring biasing member is pre-loaded to provide continuous closing force that counteracts potential opening forces before they can cause the panel to bounce or shift position during travel, ensuring stable positioning throughout vehicle movement.
3Ease of operation
If the access panel is made open for latch access, then exterior door operation is enabled, but climate control and airflow are compromised
Solution Approach 1:
The door system is segmented into two independent doors (exterior and interior) with a small access panel opening. This segmentation allows the interior door to remain mostly closed for climate control while providing a minimal opening solely for latch access, minimizing the impact on airflow and energy efficiency.
Solution Approach 2:
The access panel provides a localized, minimal opening only where needed for latch access, rather than opening the entire interior door. This localized access maintains climate control efficiency in the majority of the door area while enabling necessary exterior door 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
Ensures the access panel remains closed when not in use, preventing unwanted entry of pests and elements, while allowing convenient access to the exterior door latch without compromising climate control or airflow.
Implementation Method 1
a biasing member that maintains the access panel in a closed position until, and only while, an adequate opening force is applied in opposition to the biasing member
Data Source
AI summary
A two door system for recreational vehicles or camper style trailers is disclosed including an interior door with a self-closing access panel for reaching a locking mechanism of an exterior door. The access panel provides a user the ability to reach and manipulate the latching mechanism of the exterior door from the interior of the vehicle even when the interior door is closed. A biasing member is disclosed that maintains the access panel in a closed position whenever an adequate opening force is not present. The access panel may take on a number of configurations and may be designed as a retrofit for existing door systems or as an original component. In a configuration, a vertically sliding movable panel portion may be provided, which defaults to a downward, closed position. In such embodiments, no biasing member may be needed (gravity may be sufficient for the movable panel portion to close).