Enclosed Locking Handle and Power Module Assembly for Truck Caps
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Solution Overview
Problem
Existing truck bed closure locking mechanisms are prone to obstruction and jamming due to their bulky design and exposure to debris, limiting the ability to open and close truck caps or tonneau covers from within or without.
Innovation Solution
A compact locking handle and power module assembly that includes a non-rotationally secured locking handle with a key cylinder assembly and a power module for electric locking and unlocking, featuring an enclosed design to prevent obstruction and jamming, allowing operation with or without electrical power and independent of the vehicle's door lock system.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a bulky locking mechanism with exposed components is used, then the locking function is achieved, but the mechanism is prone to obstruction and jamming by debris
Solution Approach 1:
The patent applies an enclosed housing structure that completely covers the locking mechanism components, creating a protective barrier against debris while maintaining full mechanical functionality. The housing acts as a rigid shell that prevents dirt and debris from entering and interfering with the internal components.
Solution Approach 2:
The locking mechanism is divided into separate functional modules including the handle assembly, lock cylinder, and actuator components, each housed within protected compartments. This segmentation allows individual components to be optimized and protected independently.
2Ease of operation
If a simple mechanical locking mechanism is used, then the structure is simple, but the ability to provide continued access from within or without is limited
Solution Approach 1:
The locking mechanism incorporates multiple operating modes within a single integrated assembly: manual operation from the exterior, manual operation from the interior through the release cable mechanism, and electrical operation through the motorized actuator. This multi-functionality provides continued access flexibility without requiring separate systems.
Solution Approach 2:
The patent introduces a release cable system that acts as an intermediary mechanism, allowing interior access by transmitting force from the interior handle to the locking components. This intermediary enables operation from within while maintaining the integrity of the main locking mechanism.
3Extent of automation
If an electric actuator is added to the latch, then remote actuation is enabled, but the latch anchor points must be displaced from the latch
Solution Approach 1:
The patent combines the electric actuator and the mechanical latch components into a single integrated power module assembly. The actuator is positioned to directly interface with the latch mechanism, eliminating the need for separate anchor points and reducing overall complexity while maintaining electrical actuation capability.
4Ease of operation
If the locking mechanism components are exposed, then access for operation is easy, but the components are vulnerable to interference and jamming
Solution Approach 1:
The patent employs a protective housing that encloses the locking mechanism components while providing designated access points and cable passages that maintain operational accessibility. The housing structure allows the handle and control elements to remain accessible while protecting the internal components from environmental interference.
Data Source
AI summary
An improved locking handle and power module assembly provides continued ability to open and close a truck cap or tonneau cover from within or without, and presents an enclosed mechanism to prevent obstruction or jamming. A release handle is provided to permit unlatching of a latch mechanism operated by the locking handle without regard to whether the locking handle is locked or not.