Tailgate Locking Mechanism Single-Handle Synchronization
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Solution Overview
Problem
In larger utility vehicles, simultaneously operating the handles on both lateral sides to lock or unlock the tailgate becomes increasingly difficult for a single user, complicating the process of opening the tailgate for loading cargo.
Innovation Solution
A tailgate locking/unlocking system featuring a rod shaft with pivotally coupled handle assemblies at both ends, allowing for synchronized operation of the tailgate locking structures via a ratchet mechanism, enabling single-user operation by rotating the handle assemblies to unlock or lock the tailgate.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Volume of moving object
If the vehicle width is increased to accommodate larger cargo space, then the loading capacity is improved, but the difficulty of simultaneously operating both handles disposed on lateral sides increases
Solution Approach 1:
The patent combines the functions of two separate handles into a single integrated handle assembly. The first and second handle assemblies are pivotally coupled to the same rod shaft, allowing one user to operate both locking mechanisms simultaneously through a single handling action, thus resolving the difficulty of operating two separate handles on wider vehicles
Solution Approach 2:
The single handle assembly performs multiple functions: it controls both the first lock structure and second lock structure, and can operate in different configurations (both handles engaged, one engaged, or neither engaged) to provide versatile locking control for the tailgate system
2Reliability
If two separate handles are used for locking the tailgate on both lateral sides, then the locking reliability is improved, but the device complexity and user operation difficulty increase
Solution Approach 1:
The patent merges two separate handle operations into a single integrated handle assembly that pivotally couples to both ends of the rod shaft. This consolidation maintains the dual-locking reliability while reducing device complexity by eliminating the need for two independent handle mechanisms
Solution Approach 2:
The handle assembly is designed with segmented functionality where the first and second handle assemblies can be independently positioned along the rod shaft, allowing flexible configuration while maintaining a unified operational mechanism that simplifies the overall system
Data Source
AI summary
A tailgate locking/unlocking system is adapted to lock or unlock a tailgate of a vehicle. The tillage locking/unlocking system includes a rod shaft, a first lock structure, a second lock structure, at least one handle assembly, a first receiver, and a second receiver. The rod shaft is disposed in the tailgate of the vehicle and extended along a width direction thereof. The rod shaft has a first end and a second end opposite to the first end. The first and second lock structures are coupled to the first and second ends. The handle assembly is pivotally coupled to the first or second end of the rod shaft and coupled to the first or second lock structure. The first and the second receivers are disposed on a first lateral side and a second lateral side of a body of the vehicle for engaging with the first and second lock structures.