Rear-Hinged Recreational Vehicle Door with Integrated Safety Net
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Solution Overview
Problem
Recreational vehicles lack effective safety features to prevent bodily injuries during roll-overs, as existing systems are often cumbersome, weight/size restricted, and riders neglect to secure or remove them, leading to exposure during accidents.
Innovation Solution
An integrated safety net system is coupled to the rear-hinged door and chassis of recreational vehicles, providing upper and lower nets that move cooperatively with the door, minimizing operational steps for securement and offering protection from limb exposure and external objects.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If traditional safety devices and systems are incorporated into recreational vehicles, then rider safety is improved, but device complexity and operational steps increase
Solution Approach 1:
The patent combines the door and safety net into a single integrated unit. The safety net is attached to the door structure, so that closing the door automatically positions the safety net to cover the door opening. This merging eliminates the need for separate safety net installation and operation, reducing complexity while maintaining safety functionality.
Solution Approach 2:
The door structure serves multiple functions: it provides physical barriers for safety and simultaneously supports the safety net mechanism. The door assembly acts as both an entry/exit structure and a safety containment system, reducing the need for additional dedicated safety components and simplifying the overall system.
2Reliability
If traditional safety devices and systems are incorporated into recreational vehicles, then rider safety is improved, but ease of operation deteriorates
Solution Approach 1:
By integrating the safety net with the door, the system eliminates multiple operational steps. Riders only need to close the door to activate the safety function, rather than separately installing or securing safety nets. This single-action operation significantly improves ease of use while maintaining safety effectiveness.
3Ease of operation
If safety nets are integrated with rear-hinged doors, then operational steps are minimized, but device complexity increases
Solution Approach 1:
The integration of the safety net with the door structure creates a unified system where the door frame and net support structure work together. This merging reduces the number of separate components and attachment points needed, as the door itself provides the structural framework for the safety net, thereby reducing overall complexity despite the integrated functionality.
Data Source
AI summary
A door and an integrated safety net system for a recreational vehicle having a chassis with a step-through door opening. The door includes a forward end and a rearward end, and a hinge coupled between the rearward end of the door and the chassis of the vehicle. A door panel or upper and lower safety nets are coupled to the door frame forward of the hinge and coupled to the chassis of the vehicle on or rearward of the rearward side of the door opening. The safety net and the door are collectively and cooperatively movable as the rear-hinged door moves to the open position or closed position. The door includes a latch at the forward end of the door to provide one operational step to release or secure the door and the integrated safety nets to the chassis upon ingress or egress of the vehicle.