Tiltable Rack System Side Access Mechanism
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Solution Overview
Problem
Existing truck rack systems require complex retrofits and have cumbersome overhead actuation mechanisms, making them difficult to use for loading and unloading bulky items, which necessitates a simpler and more accessible solution.
Innovation Solution
A tilting rack system that rolls down the side of a vehicle, featuring a base assembly with a movable part that includes rollers and a manual or power-assisted handle, allowing easy access and secure tie-down operations for loading and unloading heavy or bulky materials.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If overhead actuation mechanisms are used in prior truck rack systems, then loading and unloading of long or bulky items can be performed, but the mechanism becomes very complex and requires extensive retrofit installation
Solution Approach 1:
Instead of having the rack tilt overhead as in prior systems, this invention inverts the approach by having the rack tilt downward over the side of the vehicle. The movable part rolls down the side of the vehicle bed, providing access from the side rather than from above, thereby simplifying the mechanism while maintaining loading functionality
Solution Approach 2:
The rack system employs a dynamic movable part that can roll between a retracted position (flush with the vehicle bed) and a lowered position (extending over the side). This dynamic configuration allows the rack to transition from a static overhead structure to a mobile side-access structure, reducing complexity while enabling loading operations
2Reliability
If overhead rack systems are used, then cargo can be transported, but access for loading, unloading, and tie-down operations becomes difficult
Solution Approach 1:
The invention inverts the access approach by lowering the movable part over the side of the vehicle rather than accessing cargo from overhead. This side-access configuration dramatically improves ease of loading, unloading, and tie-down operations while the base assembly remains fixed to maintain cargo transport reliability
Solution Approach 2:
The rack system is segmented into a fixed base assembly and a movable part. The movable part can be independently lowered to provide access, while the base assembly remains stationary to maintain structural integrity and cargo security. This segmentation allows simultaneous maintenance of transport reliability and operational ease
3Ease of operation
If a movable part that rolls down the side is implemented, then access is improved and operations are simplified, but the structure becomes more complex
Solution Approach 1:
The movable part incorporates self-service features including rollers that enable it to roll down and back along the side of the vehicle bed without requiring complex external mechanisms. The manual handle allows the user to easily control the movement, and the system uses its own structure (the vehicle bed side) as a guide rail, minimizing additional components
Data Source
AI summary
A rack assembly that is used to load and unload heavy or bulky material on an overhead rack of a truck, van, trailer, or similar vehicle. The rack assembly may include a base assembly, which may be sized to fit a range of vehicles, trailers, and the like. The rack assembly includes a movable part which rolls down over the side of the vehicle and allows improved access to simplify the loading and unloading operations used to secure any material to the rack. The movable part may include a manual handle, or a power assist mechanism, to assist in loading and unloading operations.