Swiveling Trailer Hitch Arm for Tailgate Access While Towing
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Solution Overview
Problem
There are no existing products, either as original equipment or aftermarket, that facilitate easy opening of tailgates, trunks, or cargo doors when hauling cargo, leading to frustration and wasted time for many users.
Innovation Solution
A rotating trailer hitch arm with a mounting bracket and swivel mechanism that allows for easy access to vehicle cargo areas by towing without detaching the hitch attachment.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a traditional fixed trailer hitch is used, then the hitch provides stable towing capability, but the hitch blocks access to the tailgate, trunk, or cargo door when hauling cargo
Solution Approach 1:
The patent applies the dynamics principle by transforming the fixed, static hitch into a rotating hitch arm that can dynamically change its position between a horizontal towing configuration and a vertical stored configuration. The hitch arm rotates around a vertical axis via a swivel mechanism, allowing it to adapt its orientation based on whether towing or cargo access is the priority, thus resolving the contradiction between towing stability and cargo area accessibility
Solution Approach 2:
The patent employs dimensionality change by moving the hitch arm from a two-dimensional horizontal plane (blocking cargo access) into a three-dimensional space by rotating it vertically upward. This dimensional transition allows the hitch arm to clear the cargo area pathway while maintaining its towing function when rotated back, effectively eliminating the spatial conflict between towing equipment and cargo access
2Ease of operation
If the hitch attachment is detached to access cargo areas, then access is improved, but towing capability is lost and requires reattachment
Solution Approach 1:
The rotating hitch arm enables dynamic repositioning without detachment. The swivel mechanism allows the hitch arm to rotate freely between horizontal and vertical positions, providing continuous access to the cargo area at any moment during towing operations, thereby eliminating the time-consuming detach-attach cycle entirely
Solution Approach 2:
The patent ensures continuity of useful action by maintaining the hitch's towing function while simultaneously enabling continuous cargo area access. The rotating mechanism allows the hitch arm to move between positions without breaking the towing connection, ensuring that both towing and cargo access functions can be performed continuously without interruption or reattachment
3Ease of operation
If a rotating hitch mechanism is added, then cargo area access is improved, but device complexity increases
Solution Approach 1:
The patent applies segmentation by dividing the hitch system into distinct functional components: the base mounting structure, the rotating hitch arm, the swivel mechanism, and the locking system. This modular segmentation allows each component to perform its specific function independently, simplifying the overall design and making the complex rotating mechanism more manageable and maintainable
Solution Approach 2:
The swivel mechanism serves as an intermediary element that mediates between the fixed base structure and the movable hitch arm. This intermediary component provides the rotational freedom needed for cargo access while maintaining a stable connection to the vehicle frame, thereby enabling complex motion without requiring equally complex control systems
Data Source
AI summary
The haul extension is the only product of its kind that offers users with an avant-garde hitch attachment that can be simply installed by inserting the device into a primary hitch to help individuals access cargo in a quicker and more time and energy efficient manner. This unprecedented product is uniquely designed with a durable lock pin to secure positioning; thusly, offering a toll to benefit diverse users.