Retractable Trailer Locking Post for Theft Prevention
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Solution Overview
Problem
There is currently no economically feasible way to securely lock and prevent theft or undesired movement of trailers and hitched devices when they are not in use, especially when storage space is limited, leading to potential theft and damage from slope variations.
Innovation Solution
A Trailer Anti-Theft Locking Post device that includes a receiver with locking pin and ball mechanism, a fixed base with horizontal cradle channel, and a rotatable post, anchored with rebar or suitable materials, allowing secure attachment and locking of various hitch types, including ball and pintle hitches, to prevent unauthorized removal or movement.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a trailer is stored outside due to limited garage space, then storage accessibility is improved, but the trailer becomes vulnerable to theft and damage from slope variations
Solution Approach 1:
The locking post is divided into separate components: a fixed base anchored to the ground, a removable post section, and a hitch receiver assembly. This segmentation allows the system to be installed permanently for security while maintaining ease of use for legitimate users who can easily attach/detach their trailers during normal operation.
Solution Approach 2:
The locking post is pre-installed in a fixed, anchored position at the storage location before the trailer arrives. This preliminary action creates a ready-to-use secure mounting point, eliminating the need for temporary or ad-hoc securing methods when the trailer is parked outdoors.
2Ease of operation
If a traditional hitch mechanism is used without additional security, then ease of attachment is maintained, but the trailer can be easily stolen by anyone with a matching hitch
Solution Approach 1:
The locking post serves as an intermediary security device between the ground and the trailer hitch. It mediates the connection by providing a fixed anchor point that the trailer hitch attaches to, rather than allowing direct attachment to a movable vehicle hitch. This intermediary structure prevents theft while maintaining normal attachment operations.
Solution Approach 2:
The fixed base with ground anchors provides preliminary anti-action by creating a stationary, immovable structure that resists theft attempts before they can occur. The anchored foundation prevents the entire locking post from being removed or moved, thereby preemptively countering the harmful action of potential thieves.
3Reliability
If the locking post is made permanently fixed and concealed, then security and anti-theft capability are improved, but installation complexity and site requirements increase
Solution Approach 1:
The locking post system is segmented into a permanently installed fixed base with ground anchors and a removable post section. This segmentation allows the complex anchored foundation to be installed once during initial setup, while the simpler post section can be easily attached and removed by users without requiring specialized installation skills or equipment.
Data Source
AI summary
The Trailer Anti-Theft Locking Post is a device that is used to lock a trailer or other hitched device so that the trailer cannot be moved. The device may be anchored into concrete or secured unto the ground. A post reversible extends upward providing a means to lock a trailer or hitched device. When a user desires to move the trailer, the trailer is unlocked, and the post is reversibly retracted beneath the ground level, which puts the device out of sight and out of the way.