Roll Top Cover Lock System with Lever Actuator
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Solution Overview
Problem
Existing roll top truck bed covers are not fully weather-resistant, impervious to moisture and dust, and lack effective locking mechanisms, making them inconvenient to use and noisy due to significant frictional forces during operation.
Innovation Solution
A lock system for roll top covers that includes a lever arm actuator connected to locking mechanisms, a switch assembly, and an emergency release handle, providing multiple locking points and secure engagement with the cargo bed, allowing for easy operation and secure protection of contents.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a lock system is added to the roll top cover, then security and weather-resistance are improved, but device complexity increases
Solution Approach 1:
The lock system merges multiple functions into a single integrated assembly: the lock body houses both the locking mechanism and weather-sealing features, while the actuator assembly combines the actuation mechanism with the emergency release system. This consolidation provides comprehensive security and weather-protection without proportionally increasing overall system complexity.
2Reliability
If locking mechanisms are added to secure the cargo bed, then security is improved, but ease of operation deteriorates due to increased frictional forces
Solution Approach 1:
The actuator assembly serves as an intermediary mechanism between the user and the locking system. It translates user input (manual actuation or emergency release) into the mechanical motion required to engage or disengage the locking mechanisms, reducing the direct frictional force the user must overcome while maintaining secure locking.
3Reliability
If multiple locking mechanisms are implemented, then security is improved, but device complexity increases
Solution Approach 1:
The lock body is designed as a universal component that performs multiple functions: it provides the primary locking mechanism, incorporates weather-sealing features, and integrates with the actuator assembly for both normal operation and emergency release. This multi-functionality reduces the need for separate components, thereby limiting the increase in device complexity while enhancing security.
4Reliability
If the roll top cover is made impervious to moisture and dust, then weather-resistance is improved, but ease of manufacture deteriorates
Solution Approach 1:
The lock body and associated components utilize sealed enclosures and gasket systems that form flexible yet impervious barriers against moisture and dust. These sealing elements can be integrated into the manufacturing process through standard sealing techniques, providing weather-resistance without requiring overly complex manufacturing procedures.
Data Source
AI summary
A lock system for operation of a roll top cover for covering a cargo bed of a vehicle enables a plurality of locking or engagement points. The system includes: one or more lock assemblies configured to operate a plurality of locking mechanisms for reversibly engaging the cargo bed; and an actuator assembly having an actuator operably connected to the lock assemblies for operation thereof between locked and unlocked positions.