Integrated Trailer Hitch Lock for Secure Pin Retention
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Solution Overview
Problem
Conventional trailer hitch locking systems are prone to loss of components, incompatibility with alternative tools, and vulnerability to tampering or accidental unlocking, which can compromise the security of the towing connection.
Innovation Solution
An apparatus comprising a first arm, a second arm, and a locking mechanism, designed to fit around a receiver tube for a trailer hitch, securing locking pins to prevent accidental or intentional disconnection, and featuring a weather seal to prevent rotation and protect from elements.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a conventional pin and clip system is used to secure the trailer hitch, then the connection is secured, but additional parts must be kept track of and they can be lost
Solution Approach 1:
The patent combines the pin, clip, and locking mechanism into a single integrated trailer hitch lock device. The U-shaped body forms a continuous structure that encompasses both locking pins and integrates the locking mechanism, eliminating the need for separate clips and reducing the number of discrete parts the user must manage.
Solution Approach 2:
The single device performs multiple functions: it provides structural support through the U-shaped body, implements locking through two separate locking pins, and secures the connection through an integrated locking mechanism. This multi-functional design replaces the conventional multi-component system with one versatile device.
2Ease of operation
If the trailer hitch is made easy to connect and disconnect, then convenience is improved, but it becomes easier for thieves to steal the towing vehicle or trailer
Solution Approach 1:
The locking pins are positioned to extend through the receiver tube before the final locking action occurs. The device is inserted and positioned first, then the locking mechanism is engaged to secure the pins, ensuring the connection is established before security is applied. This preliminary positioning facilitates easy connection while subsequent locking provides security.
Solution Approach 2:
The device transitions from an unlocked state where the locking mechanism can be easily opened to a locked state where the pins are secured. The dynamic locking mechanism allows for quick connection and disconnection by the authorized user while preventing unauthorized access, thus providing both convenience and security.
3Reliability
If a locking mechanism is added to prevent tampering, then security is improved, but the device becomes more complex
Solution Approach 1:
The locking mechanism is integrated within the U-shaped body structure rather than being a separate external component. The body itself forms part of the locking system, with the pins extending through the receiver tube and the locking mechanism positioned within the U-shaped structure, merging the security function with the structural framework.
Solution Approach 2:
The locking mechanism is designed to be self-contained within the device structure, requiring no external tools or additional components to operate. The mechanism uses the device's own structural elements (the U-shaped body and pins) to provide the locking function, making the security system self-sufficient and reducing overall complexity.
Data Source
AI summary
An apparatus comprising a first arm, a second arm and a locking mechanism. The first arm may comprise a first opening. The second arm may comprise a second opening. The first arm may be attached to the locking mechanism. The second arm may be removably attached to the locking mechanism. The first arm and the second arm may be formed to fit around a receiver tube for a trailer hitch. The first opening may be configured to fit over a first locking pin that extends through a first side of the receiver tube. The second opening may be configured to fit over a second locking pin that extends through a second side of the receiver tube. The locking mechanism may be configured to secure the arms over the first locking pins to prevent a connector for a trailer coupler from disconnecting from the receiver tube.