Tilting Rack System for Truck Bed Ergonomic Loading
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Solution Overview
Problem
Existing truck rack systems are complex to retrofit and pose hazards due to their high operation over the cab, failing to provide easy access to the top level for loading and unloading bulky items efficiently.
Innovation Solution
A tilting rack system with a levered end-bar that allows the overhead rack to tilt rearward as it slides, simplifying access and easily retrofitting to a vehicle's bed, featuring a rearward support mounted to the sidewall or bed-base, a forward support with a slide-pivot, and a lever-pivot mechanism that enables manual or actuated tilting for ergonomic loading and unloading.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a 'dump-truck' type mechanism is used to tilt the rack, then the rack can tilt for access to the top level, but the mechanism becomes very complex and requires extensive retrofit
Solution Approach 1:
The rack system is divided into separate functional components: a slide mechanism that moves the rack forward and backward, and a tilt mechanism that rotates the rack about its longitudinal axis. This segmentation allows each mechanism to be optimized independently, reducing overall complexity while maintaining the ability to access top-level items.
Solution Approach 2:
The rack system employs dynamic movement capabilities, allowing the rack to slide forward and backward along the bed length and tilt to different angles. This dynamic positioning enables easy access to items at any level without requiring a complex fixed-position dumping mechanism.
2Ease of operation
If the rack raises up high over the truck's cab, then the rack can tilt for access, but it creates a potential hazard for impacts
Solution Approach 1:
The rack system uses controlled dynamic tilting within a safe angular range rather than vertical raising. The rack tilts rearward to provide access while remaining within the safety zone above the cab, eliminating the impact hazard associated with high raising operations.
3Ease of operation
If an extensive retrofit is performed to install the tilting mechanism, then the rack can tilt, but the installation becomes complex and time-consuming
Solution Approach 1:
The tilting mechanism is designed as a modular assembly that can be installed as a complete unit on the truck bed. This segmented approach simplifies retrofitting compared to integrating individual components throughout the existing rack structure.
Solution Approach 2:
The slide and tilt mechanisms are designed with universal mounting provisions that can accommodate various rack configurations and truck bed sizes, reducing the need for custom fabrication and extensive modification during installation.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The tilting rack system provides safe and efficient access to the top level of the truck bed for loading and unloading bulky items, reducing the need for a second person and minimizing retrofit complexity, while ensuring safe operation by keeping the mechanism lower and more accessible.
Implementation Method 1
a levered end-bar that raises or lowers an overhead rack
Implementation Method 2
pivots about a pivot point
Implementation Method 3
as it slides for easy access
Data Source
AI summary
An apparatus for tilt-able rack system especially suited for a vehicle, such as a pick-up truck. The tilting rack system includes a stationary upright support frame, and a hinged upright support, with the hinged upright mounted to the vehicle rearward of the stationary upright. A slide-able and tilt-able pair of rails mount to the support frame at the hinged and stationary uprights. As the hinged uprights lever rearward and downward, by action of a hinge at the base of each upright, the rails can slide and tilt upon a sliding hinge at the top of each stationary upright. The rearward, hinged uprights may be actuated by hydraulics, manual cranks, cables, or any other such mechanisms. The entire rail and associated frame can tilt down to the rear of the vehicle, allowing the easy placement of long items on the frame, such as ladders, pipes, boats, boards, and panels.