Compactible Wagon Pivotable Sections and Foldable Sidewalls
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Solution Overview
Problem
Compactible wagons typically have complex frames that limit their configurations and often lack solid side walls, restricting their functionality in hauling various types of loads.
Innovation Solution
A compactible wagon design featuring pivotably interconnected sections, multiple operational configurations, and foldable sidewalls made of rigid or flexible materials that can span between support walls, allowing for increased flexibility and versatility in use.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Stability of the object's composition
If rigid elements are used to bridge foldable sections, then structural stability is improved, but device complexity and configuration flexibility deteriorate
Solution Approach 1:
The platform is divided into multiple independently pivotable sections that can be folded and unfolded independently. This segmentation allows the wagon to achieve multiple configurations without requiring complex rigid bridging elements, as each section can move independently while maintaining structural integrity through simple pivot connections.
Solution Approach 2:
The support walls are designed to be pivotable rather than fixed, allowing them to dynamically adjust between overlapping the platform, standing vertically, and extending horizontally. This dynamic design replaces static rigid elements with movable components that maintain stability through controlled motion rather than rigid constraints.
2Adaptability or versatility
If solid side walls are incorporated, then load containment capability is improved, but device complexity and foldability deteriorate
Solution Approach 1:
The sidewalls are constructed from multiple foldable panels that can be collapsed and stored when not needed. This segmentation allows the sidewalls to provide solid containment when required while being able to fold flat against the platform, eliminating the need for complex removable or telescoping mechanisms.
Solution Approach 2:
The sidewalls transition from static solid structures to dynamic foldable panels that can adapt their configuration. When extended, they provide solid containment for various load types; when folded, they reduce to minimal profile without requiring complex disassembly or storage mechanisms.
3Adaptability or versatility
If multiple pivotable sections are used, then configuration flexibility is improved, but structural stability deteriorates
Solution Approach 1:
The pivotable sections maintain stability through controlled rotational movement about fixed horizontal axes. Each section can pivot independently to achieve different configurations, but the pivot mechanism ensures that sections remain properly aligned and supported, preventing instability while enabling flexibility.
Solution Approach 2:
The platform sections change their relative positions and orientations through controlled pivoting, transitioning between horizontal and vertical configurations. This parameter change approach allows flexible reconfiguration while maintaining structural integrity, as each section remains properly supported throughout its range of motion.
Data Source
AI summary
Compactible wagons are provided having at least two operational configurations. The compactible wagon has a first unfolded configuration where the first and second set of wheels are spaced apart by a horizontal platform, and where the wagon has one or more sidewalls, and at least a second compacted configuration where the horizontal platform is folded into a vertical configuration and the first and second set of wheels are disposed next to each other. The compactible wagon can have one or more additional configurations, including at least an unfolded configuration without sidewalls and/or an extended configuration where one or more of the sidewall are disposed to extend the surface area of the horizontal platform of the wagon. Many different rigid and flexible sidewalls may be used with the wagon.