Hitch Ball Locking Bail for Secure Gooseneck Coupling
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Solution Overview
Problem
Existing gooseneck trailer hitch balls are difficult to handle due to grease and grime accumulation, and lack clear engagement indicators, posing safety hazards and usability issues when mounting and removing them from vehicles.
Innovation Solution
A hitch ball with a locking bail that serves as both a handle and an actuator for a locking mechanism, providing visual, audible, and tactile indications of engagement, preventing accidental unlocking, and allowing for clean handling by pivoting to prevent coupling when unlocked and engaging securely when locked.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If the hitch ball is made removable for non-towing use, then the tow vehicle's versatility is improved, but the ease of operation deteriorates due to difficulty in discerning engagement status and handling greasy components
Solution Approach 1:
The patent applies visual indicators (color-coded elements or visual cues) to clearly show the engagement status of the hitch ball. This allows users to immediately discern whether the hitch ball is locked or unlocked without having to physically inspect or manipulate the component, thereby improving ease of operation while maintaining removability for vehicle versatility.
Solution Approach 2:
The patent introduces an intermediary mechanism (such as a indicator system or intermediate component) that mediates between the locking mechanism and the user. This intermediary provides clear visual or tactile feedback about engagement status, making the handling of the greasy hitch ball component easier and safer without compromising the removable design.
2Ease of operation
If the hitch ball surface is exposed for coupling operations, then the coupling functionality is improved, but harmful factors increase due to grease accumulation and sharp edge formation
Solution Approach 1:
The patent segments the hitch ball into distinct functional zones: a coupling surface that remains exposed for trailer attachment and a handle portion that can be kept clean for user interaction. This segmentation allows the coupling functionality to remain accessible while isolating the user-contact areas from grease and grime accumulation, reducing harmful factors.
Solution Approach 2:
The patent introduces an intermediary handle or actuator component that mediates between the user's hands and the greasy hitch ball surface. This intermediary allows users to operate the coupling mechanism without direct contact with contaminated surfaces, improving ease of operation while reducing exposure to harmful substances.
3Device complexity
If the hitch ball lacks a locking indication mechanism, then the device complexity is reduced, but reliability deteriorates due to inability to confirm secure engagement
Solution Approach 1:
The patent employs color-coded indicators or visual cues that change appearance based on engagement status. This provides clear, immediate confirmation of secure locking without requiring complex mechanical indicators or multiple moving parts, thereby maintaining low device complexity while significantly improving reliability of engagement confirmation.
Solution Approach 2:
The patent implements a self-indicating locking mechanism where the locking components themselves provide visual or tactile feedback about their engagement status. The mechanism serves its own indication function without requiring separate complex indicator systems, maintaining simplicity while ensuring reliable confirmation of secure engagement.
Data Source
AI summary
A hitch ball with a locking bail for use with gooseneck hitch assemblies. The hitch ball includes a hitch ball body having a ball-mount on a first end. A second end forms a base that is insertable into a mating receiver mounted in a tow vehicle. A locking bail is pivotably coupled to the hitch ball body and is moveable from an unlocked orientation overlying the ball-mount to a locked orientation extending generally transversely to the hitch ball body. The locking bail is configured to function as a handle when in the unlocked orientation to provide a clean and easily graspable structure for handling and installing the hitch ball in a tow vehicle. The locking bail prevents coupling of a trailer or hitch assembly with the hitch ball when in the unlocked orientation and provides a visual indication of the locked or unlocked state of the hitch ball.