Convertible Pack Assembly With Replaceable Wheels and Pivot Handle
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Solution Overview
Problem
Existing pack systems lack versatility and durability, as they are limited in configuration and have components that are easily damaged, such as wheels and handles, which are not easily replaceable.
Innovation Solution
A convertible pack system with a modular design that allows for different configurations, including luggage, backpack, sled, seat, and table uses, and features a handle assembly with a pivotable handle and a coupling module for easy attachment and detachment, as well as a wheel module with interchangeable wheels and axles.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If pack systems use fixed configuration designs, then manufacturing and operation are simpler, but versatility and adaptability are reduced
Solution Approach 1:
The pack system is divided into modular components including a frame, pack assembly, handle assembly, and wheel assembly that can be independently attached and detached. This segmentation enables multiple configuration options while maintaining manageable complexity through standardized coupling mechanisms.
Solution Approach 2:
The frame assembly serves multiple functions by accommodating different pack assemblies, handle assemblies, and wheel assemblies through universal coupling interfaces. This multi-functionality achieves configuration versatility without proportionally increasing system complexity.
2Ease of repair
If pack systems use integrated component designs, then structural strength is improved, but ease of repair and component replacement are reduced
Solution Approach 1:
The coupling mechanisms divide the pack system into separable components that can be independently replaced. The handle assembly couples to the frame through a receiver and locking mechanism, allowing the handle to be replaced without affecting the overall structural integrity of the remaining system.
Solution Approach 2:
The coupling mechanisms act as intermediary elements between components, providing standardized interfaces that facilitate easy assembly and disassembly. These intermediaries maintain structural strength during operation while enabling straightforward component replacement when needed.
3Ease of operation
If pack systems use non-pivotable handle designs, then manufacturing is simpler, but ease of operation is reduced
Solution Approach 1:
The handle assembly incorporates a pivot mechanism that allows the handle to rotate relative to the frame through a defined arc. This dynamic capability improves ease of operation by enabling the handle to adapt to different pulling angles while the pivot is constrained within controlled limits to maintain manufacturing simplicity.
Data Source
AI summary
Pack systems are convertible or transitionable to different configurations in which the systems may be used in different manners. These different manners include using the systems similarly to typical luggage, using the systems similarly to typical backpacks, pulling the systems similarly to a typical sled, using the systems as seats in rafts, and/or using the systems as supports for tables. Pack systems also facilitate replacement of typically relatively easily damaged components, such as wheels and handles.