Vehicle Tailgate Latch Dual-Axis Rotation Mechanism
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing tailgate latches are limited to functioning about a single axis, failing to accommodate dual-axis rotation required by some vehicles, particularly pickup trucks, which necessitates a latch system that can act as both a hinge and a latch.
Innovation Solution
A vehicle tailgate latch system comprising a first and second portion with a linkage for vertical axis rotation and a latching mechanism with gear teeth and release mechanism, allowing the tailgate to pivot about both vertical and horizontal axes, utilizing a pair of arms and a retention member for secure operation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a traditional single-axis latch is used, then the structure is simple, but it cannot accommodate dual-axis rotation required by some vehicles
Solution Approach 1:
The latch assembly is designed to perform multiple functions: it acts as both a latch mechanism and a hinge mechanism. The same components (linkage, claws, intermediary member) enable both vertical axis rotation (latching function) and horizontal axis rotation (hinge function), eliminating the need for separate hinge and latch mechanisms.
Solution Approach 2:
The latch assembly dynamically transitions between different operational modes. The linkage can pivot about a vertical axis for latching/unlatching operations, and the same linkage can pivot about a horizontal axis when released to function as a hinge. This dynamic adaptability allows the system to switch between single-axis and dual-axis operation as needed.
2Adaptability or versatility
If a dual-axis latch system is implemented, then the tailgate can pivot about multiple axes, but the mechanism becomes more complex
Solution Approach 1:
The patent merges the latch mechanism and hinge mechanism into a single integrated assembly. The linkage, claws, and intermediary member serve dual purposes: providing both latching functionality (vertical axis) and hinge functionality (horizontal axis). This consolidation reduces the overall number of separate components needed in the system.
Solution Approach 2:
The latch assembly is segmented into distinct functional components (linkage, first claw, second claw, intermediary member) that can independently pivot about different axes. The linkage pivots about a vertical axis for latching, while the claws pivot about a horizontal axis for hinge operation. This segmentation allows each component to specialize in specific axis rotation while working together as an integrated system.
Data Source
AI summary
A vehicle tailgate latch is provided. The latch having: a first portion; a second portion; a linkage for rotatably securing the first portion to the second portion, wherein the second portion is rotatably secured to the first portion for movement about a vertical axis with respect to the first portion; and a latching mechanism for releasing the second portion from the first portion.