Modular Utility Trailer With Retractable Shell for Multi-Use Hauling
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Solution Overview
Problem
Existing trailers are either purpose-built for a single function, making retrofitting expensive and impractical, or are large and limited in scope when attempting to perform multiple functions, such as camping and hauling vehicles or livestock.
Innovation Solution
A modular trailer design featuring a collapsible watertight shell that can be stored within the framework, allowing the trailer to switch between camping quarters and vehicle hauling by retracting or extending the shell, while utilizing a framework that supports multiple functions without increasing the trailer's footprint.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a trailer is designed to perform multiple functions (camping, livestock transport, vehicle hauling), then the versatility and adaptability improve, but the trailer size and footprint expand to accommodate all functions simultaneously
Solution Approach 1:
The trailer is divided into functional segments: a permanent base frame and a detachable collapsible shell. The shell can be attached for camping/livestock functions and detached for vehicle hauling, allowing the trailer to adapt to different uses without permanently occupying extra space for all functions simultaneously.
Solution Approach 2:
The collapsible shell transitions between extended and retracted states. When extended, it provides enclosed space for camping and livestock; when retracted, it minimizes the trailer footprint to accommodate vehicle hauling, enabling dynamic adaptation to different functional requirements.
2Reliability
If a trailer is purpose-built for a specific application, then the functionality and performance for that application improve, but the cost and practicality of retrofitting for other functions worsen
Solution Approach 1:
The base frame is designed with universal attachment points and a standardized interface that accommodates different types of shells or attachments. This allows the same base frame to reliably serve multiple functions (camping, livestock, vehicle hauling) without requiring expensive custom modifications for each application.
Solution Approach 2:
The base frame is pre-configured with standardized attachment points, electrical connections, and structural interfaces during manufacturing. This preliminary preparation enables easy and cost-effective attachment of different shells for various applications, eliminating the need for expensive retrofits later.
3Adaptability or versatility
If a modular trailer design with retractable shell is used, then space efficiency and cost-effectiveness improve, but the structural complexity and mechanism requirements increase
Solution Approach 1:
The collapsible shell uses flexible materials and a telescoping tube structure that naturally collapses and extends along its longitudinal axis. This flexible design achieves the required space efficiency without requiring complex mechanical joints, actuators, or support structures, thereby limiting the increase in device complexity.
Data Source
AI summary
A modular, multi-purpose trailer comprises a base, a roof, a plurality of support columns, and walls which can detach from the base and withdraw to an open position within or adjacent to the roof, exposing the interior of the trailer. This withdrawal may be accomplished by means of nested segments sliding up the support columns, rolling mechanisms raising semi-flexible walls, or support columns comprising hydraulic cylinders. This permits the trailer to be used for both open-air functions such as hauling vehicles or livestock transports and closed functions such as camping by re-attaching the walls to the base.