Trailer Hitch Cart With Rotatable Handle And Modular Tubular Assembly
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Solution Overview
Problem
Existing trailer hitch attachable carts lack ease of production, use, and ergonomic design, which hinders their effectiveness and user experience.
Innovation Solution
The design includes a cart platform with a tubular member for attachment to a trailer hitch, a rotatable handle with storage system, and permanently attached wheels, allowing for easy attachment, use, and maneuverability.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If a trailer hitch attachable cart is designed with traditional components and assembly methods, then the structural integrity is maintained, but the ease of manufacture and ease of operation are reduced
Solution Approach 1:
The cart is divided into distinct modular components including a platform assembly, handle assembly, wheel assembly, and tubular member assembly. Each component can be manufactured separately and then assembled together, simplifying the manufacturing process and allowing for specialized production techniques for each module while maintaining overall structural integrity
Solution Approach 2:
The patent employs nested tubular members where smaller diameter tubular members are inserted into larger diameter tubular members to form telescoping or nested structures. This nesting approach reduces the overall number of separate components needed, simplifies assembly by eliminating complex fastening mechanisms, and maintains structural strength through the nested configuration
2Ease of operation
If the cart handle is made permanently fixed, then the manufacturing process is simplified, but the ease of operation and ergonomic design are reduced
Solution Approach 1:
The cart handle is designed with rotational capability, allowing it to pivot and rotate to accommodate different user preferences and pulling angles. This dynamic handle configuration improves ergonomics and ease of operation during cart usage while being achieved through simple pivot points and rotational joints that do not significantly complicate the manufacturing process
3Ease of operation
If the cart handle is made detachable with storage system, then the ergonomic design and ease of operation are improved, but the device complexity increases
Solution Approach 1:
The cart handle is designed as a detachable component that can be removed from the cart assembly. This extraction of the handle as a separate, removable element allows users to easily attach and detach the handle based on usage needs, improving ergonomics and ease of operation while the simple attachment mechanism keeps the overall structural complexity manageable
4Ease of operation
If traditional attachment methods are used, then the manufacturing process is simple, but the ease of operation and maneuverability are reduced
Solution Approach 1:
The tubular member is designed with a universal interface that can attach to various trailer hitch configurations and receiving members. This multi-functional attachment design allows the cart to be easily attached and detached from different vehicle hitches, improving ease of operation and versatility while using standardized tubular components that do not significantly complicate manufacturing
Data Source
AI summary
Trailer hitch attachable carts are disclosed. Methods of making trailer hitch attachable carts, and methods of using trailer hitch attachable carts are also disclosed.